Product Information Alberdingk® PUR-MATT 970 VP What is the resin's nature? Hard, inherent matt, aliphatic polyurethane dispersion. Technical data: Solids content: pH-value: Viscosity: MFFT:
34 - 36% 7.0 - 9.0 20 - 2000 mPas approx. 30°C
Features:
•
Inherent matt film-surface
•
High optical transparency on dark substrates
•
Hard but flexible film
•
Very high coefficient of friction (antislip properties)
•
Excellent sandability
•
Very good chemical resistance
•
Very good blocking resistance
•
„Paper feel“
•
Hand fat resistant
What is the suggested field of application? Matt coatings for e.g.:
•
Wood
•
Plastics
•
OPV's
•
Paints
•
Additive for gloss reduction
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 1 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Suitable raw materials Defoamers: Byk 024 (BYK Chemie)
Byk-LP D 22709 (BYK Chemie)
Substrate wetting agents: Byk 349 (BYK Chemie)
Byk 346 (BYK Chemie)
Coalescing agents*1: Dowanol DPnB (Dow Chemical)
Dowanol DPM (Dow Chemical)
Matting agents: DynoAdd P-520 (Dynea) Techpolymer MBX 20 (Sekisui)
Decosphaera Transp. 7SC (Supercolori)
Rheology control additives: Byk-7420 ES (BYK Chemie)
Optiflo T-1000 (BYK Chemie)
How to formulate with ALBERDINGK® PUR-MATT 970 VP ? We strongly recommend to use a minimum of defoamer for the formulation of products based on PUR-MATT 970 VP - due to the very large particle size, the product has only a small particle surface and requires only a small amount of defoamer.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 2 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Confocal microscopy of ALBERDINGK® PUR-MATT 970 VP:
Light microscopy of ALBERDINGK® PUR-MATT 970 VP:
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 3 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Example of matting efficiency:
ALBERDINGK® PUR-MATT 970 VP in blends with ALBERDINGK® U 9700 VP
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 4 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Formulation Proposal FP 970-06 Pos.
parquet application, general wood coating, ultra-matt
Raw Material
Amount
Supplier
1
ALBERDINGK® PUR-MATT 970 VP
47.50 Alberdingk Boley
2
ALBERDINGK® U 6150
19.00 Alberdingk Boley
3
Byk 024
0.40 BYK Chemie
4
Byk 346
0.20 BYK Chemie
5
Dowanol DPnB
2.50 Dow Chemical
6
Dowanol DPM
4.00 Dow Chemical
7
Water (deion.)
8
BYK-7420 ES
0.20 BYK Chemie
9
Optiflo T1000
1.00 BYK Chemie
10
DynoAdd P-520 Total
15.20
10.00 Dynea 100.00 Premix Pos. 5 - 7 before use
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 5 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Chemical Resistance* FP 970-06
parquet application, general wood coating, ultra-matt
Test Chemicals
Test Duration
Test Results**
Ethanol (48%)
1h
3
NH4OH (10%)
1min.
5
Water (deion.)
16h
5
Coffee (4%)
16h
4 **
5 = best / 0 = worst
Test features Feature
Test Conditions
Test Results
2x120µm wet film on wood
0.7 / 3.1 / 1.7
COF (Coefficient of friction)
according to EN 13893
0.46
Abrasion [mg]
Taber abrasion (CS-17) after 1000 cycles
approx. 41
Gloss (20° / 60° / 85°)
*tested according to EN 12720
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 6 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Formulation Proposal FP 970-07 Pos.
parquet application, general wood coating, ultra-matt
Raw Material
Amount
Supplier
1
ALBERDINGK® PUR-MATT 970 VP
50.00 Alberdingk Boley
2
ALBERDINGK® U 7400 VP
15.00 Alberdingk Boley
3
Byk 024
0.20 BYK Chemie
4
Byk 346
0.40 BYK Chemie
5
Dowanol DPnB
2.50 Dow Chemical
6
Dowanol DPM
4.00 Dow Chemical
7
Water (deion.)
8
BYK-7420 ES
0.20 BYK Chemie
9
Optiflo T1000
1.00 BYK Chemie
10
DynoAdd P-520 Total
16.70
10.00 Dynea 100.00 Premix Pos. 5 - 7 before use
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 7 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Chemical Resistance* FP 970-07
parquet application, general wood coating, ultra-matt
Test Chemicals
Test Duration
Test Results**
Ethanol (48%)
1h
4
NH4OH (10%)
1min
5
Water (deion.)
16h
5
Coffee (4%)
16h
4 **
5 = best / 0 = worst
Test features Feature Gloss (20° / 60° / 85°) COF (Coefficient of friction) Abrasion [mg]
Test Conditions
Test Results
2x120µm wet film on wood
0.7 / 2.7 / 1.6
according to EN 13893
0.49
Taber abrasion (CS-17) after 1000 cycles
approx. 65
*tested according to EN 12720
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 8 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Formulation Proposal FP 970-08
Pos.
2pack parquet application, general 2pack wood coating, ultra-matt
Raw Material
Amount
Supplier
1
ALBERDINGK® PUR-MATT 970 VP
47.50 Alberdingk Boley
2
ALBERDINGK® U 9700 VP
12.00 Alberdingk Boley
3
Byk 024
0.40 BYK Chemie
4
Byk 346
0.40 BYK Chemie
5
Dowanol DPnB
1.00 Dow Chemical
6
Dowanol DPM
4.00 Dow Chemical
7
Water (deion.)
8
BYK-7420 ES
0.20 BYK Chemie
9
Optiflo T1000
1.00 BYK Chemie
10
DynoAdd P-520 Total
23.50
10.00 Dynea 100.00 Premix Pos. 5 - 7 before use
Crosslinking: As crosslinker we suggest to add 10.00% of either one of the following isocyanates: • Bayhydur 3100 (75% in Proglyde DMM) or • Easaqua EZD 803 or • Easaqua XL 600 (90% in BGA)
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 9 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Chemical Resistance* FP 970-08
2pack parquet application, general 2pack wood coating, ultra-matt
Test Chemicals
Test Duration
Test Results**
Ethanol (48%)
1h
5
NH4OH (10%)
1min
5
Water (deion.)
16h
5
Coffee (4%)
16h
5 **
5 = best / 0 = worst
Test features Feature Gloss (20° / 60° / 85°) COF (Coefficient of friction) Abrasion [mg]
Test Conditions
Test Results
2x120µm wet film on wood
0.8 / 3.6 / 1.9
according to EN 13893
0.42
Taber abrasion (CS-17) after 1000 cycles
approx. 32
*tested according to EN 12720
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 10 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Formulation Proposal FP 970-09
Pos.
wall paint with good scratch resistance
Raw Material
Amount Supplier
1
Water (deion.)
5.95
2
Disperbyk 199
0.75 BYK Chemie
3
Kronos 2190
4
Byk 1615
20.00 Kronos Titan 0.40 BYK Chemie
Disperse 15 min. before proceeding with step 5 5
Alberdingk® PUR-MATT 970 VP
40.00 Alberdingk Boley
6
Alberdingk® U 199 VP
10.00 Alberdingk Boley
7
Ropaque Ultra
8
Dynoadd 520
9
Texanol
3.00 Eastman
10
Water (deion.)
2.00
11
Byk 1615
12
Optiflo T1000
0.50 BYK Chemie
13
Acrysol RM 5000
2.00 Rohm & Haas
Total
5.00 Dow Chemical 10.00 Dynea
Premix Pos. 5 - 7 before use 0.40 BYK Chemie
100.00 Premix pos. 9 + 10 before use
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 11 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Gloss comparison FP 970-09
wall paint with good scratch resistance
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 12 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Inherent matt polyurethane dispersions as matting agent in water based floor coatings Published on the ECS-Congress 2015 Authors: Dr. Mario Schoondermark, Markus Dimmers, ALBERDINGK BOLEY GmbH, Germany Introduction: Low gloss coatings have been gaining more and more interest in the recent years. Not only in wood coatings we can see this trend – even matt painted cars can be found in almost any manufacturers catalogue. In case of wood coatings, consumers like the more natural look of untreated wood over a glossy finish. A low glare coating is less distrubing to the eye, which is a true benefit in larger rooms. Because of that, oiled or wax treated surfaces gained a lot of market share due to their low gloss surface – however, they need a much more intense care and maintenance than most consumers realise, since oils or waxes don’t form a protective film. A true matt varnish could offer the beauty of an oil / wax but providing more protection and less necessity for intensive care whilst resulting in the desired appearance. Unfortunately, coatings where the low gloss values have been obtained by extensive formulation are very often much more slippery. That makes it difficult to use them in public areas with a lot of traffic where a high coefficient of friction (CoF) is needed. Ideally, the polymer used in a low gloss coating has already a matt polymer film without the use of any additional matting agents to avoid above mentioned drawbacks – ALBERDINGK BOLEY has been working intensively to develop inherent matt and hard polyurethane dispersions which can be used in e.g. floor coatings.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 13 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP
Pict. 1, example of an ultra matt floor coated with the hard, inherent matt PUD
What is gloss / matting? Gloss is a function of light reflection – the more light is reflected and partially directed, the more glossy the surface appears to be. In contrast, a matt surface is scattering the light in many directions and the surface appears less glossy and in case of an almost total scattering the surface is ultra matt in any angle. How does matting work and how is it measured? Usually, matting is obtained by creating a rough surface in which variation in height is present. The topography type determines the gloss level in the typical angles for gloss measurements (20°; 60° and 85°) as described in e.g. ISO 2813.
The gloss is measured with a reflectometer.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 14 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Pict. 2) Reflectometer in use on an ultra matt wood coating using the hard, inherent matt PUD
For high gloss surfaces the 20° angle is used, for medium gloss ones the 60° angle and for very low gloss surfaces, the 85° angle (also known as „sheen“) is the most important. Gloss is measured in GU (gloss units) and is usually between 100 and 0. Polished metal surfaces such as mirrors can reach up to 2000 GU. The inherent matt polyurethane dispersion: Our work to develop an inherent matt polyurethane dispersion for floor coatings started more than 15 years ago when we made our first matt PUD (ALBERDINGK® CUR 21). This very first inherent matt polymer was extremely soft and not really „matt“ from todays point of view – but it was a start. Years passed and we finally came back to the idea of producing a matt polyurethane dispersion with film properties designed to fit hard surfaces. Before the project started, we set these targets that should be fulfilled: Technical requirements: hard, aliphatic Polyurethane gloss levels of < 5@20° / < 20@60° / < 50@85° excellent sanding properties by machine sanding resistant to household chemicals very transparent over dark substrates resistant to hand fat scratch resistant no hard sedimentation in coatings can be used as sole binder or as co-binder
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 15 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP The manufacturing of water based polyurethane dispersions has been described in a lot of papers by various authors before and should not be discussed here. Additionally, due to the recent regulations, our matt PUD needs to be low in amine content and solvent free in order to fit todays indoor air quality requirements. Requirements in order to comply with regulations: amine content < 1% not classified according to GHS solvent free What makes this PUD matt and so special compared to „conventional“ PUD’s ? The main difference between a matt PUD and a standard PUD is the particle size distribution and the morphology of the particles. While „conventional“ PUDs usually show a monomodal and narrow particle size distribution, our matt PUD shows an extremely multimodal, broad particle size distribution. The median particle size of a conventional PUD is in the range of 60-100nm, while the median particle size of our matt PUD is 4.000nm or 4µm ! By controlling particle size, particle distribution and morphology, we can determine the degree of gloss reduction and other parameters such as haptic. Furthermore, by changing the refractive index of the polymer we can achieve optical effects like a „frost“ or „etch“ look. How does the matting effect work in an inherent matt PUD? Analysis of the surface structure show that the film has a quite uniform „roughness“. Individual particle size on the surface is in the range of 4 – 6µm. The shape of the particles could be described as „potato chips“. Even though the particles aren’t too large and not too different in size, they show a particularly efficient matting effect – this can be explained by the fact that the particles arrange themselves in „waves“ during film formation. This wave structure causes an additional matting effect. Fig. 1) Confocal microscopy of the hard matt PUD (100x mag/size 178x134
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 16 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Fig. 2) Analysis of height & particle size of the hard, matt PUD
Fig. 2 shows the median particle size and roughness of the surface (max. 3.2µm) – this data can then be used to create a 3D surface profile (see Fig.3).
Fig. 3) 3D Surface profile of the hard, matt PUD
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 17 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP How does that compare to conventional matting agents? This question is probably the most interesting one – and in order to visualize it, we have used one of the most efficient silica based matting agent for water based coatings (pyrogenic silica). Conventional silicas (precipitated and pyrogenic) are known to be very effective in reducing the gloss of water based coatings. Use of silica based matting has the following advantages / disadvantages: Advantages: very efficient at low level of addition high wet film clarity economic Disadvantages: sensitive to scratches imparts water sensitivity at high concentration causes „stress cracking“ on flexible substrates very light and difficult to add during manufacturing can show hard settling in the coating after time limited matting Fig. 4) Confocal microscopy of a PUD with 1.5% pyrogenic silica (100x mag/size 178x134µm)
As we can see, 1.5% of pyrogenic silica shows a similar structure compared to our matt PUD. The main difference is the fact that the silica has even larger particles than our PUD.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 18 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Fig. 5) Analysis of height & particle size of a PUD with 1.5 % pyrogenic silica
As shown in Fig. 5, the particles are in a range of approx. 4µm up to approx. 12µm – the roughness of the surface is in the range of 3µm and comparable to the hard matt PUD. Fig. 6) 3D surface profile of a PUD with 1.5% pyrogenic silica
From comparison oft he pictures of Fig. 3 and Fig. 6, it is apparent that, the 3D surface PUD formulated with pyrogenic silica, is less homogeneous than that of the hard, inherent matt PUD – this can explain the lower scratch resistance of silica as it’s very easy to scratch of the top of larger particles in the film (due to roughness and less mechanical resistance).
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 19 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Getting to the point – comparison of efficiency hard, matt PUD vs. pyrogenic silica: At this point you will certainly ask what the efficiency of the hard, inherent matt PUD is? The following diagrams will show how much of the hard, inherent matt PUD is necessary to reach gloss levels obtained with 0.5 or 1.5% pyrogenic silica.
Fig. 7) Gloss as a function of % matt PUD in aliph. PUD 1
Fig. 8) Gloss as a function of % matt PUD in aliph. PUD 2
In Fig. 7 and Fig. 8 one can see the linear gloss reduction with increasing quantity of the hard, inherent matt PUD.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 20 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Fig. 9) Efficiency of hard matt PUD vs. pyrogenic silica in an aliphatic PUD 1
Blends with aliph. PUD 1 (see Fig.9) For a comparable gloss obtained with 0.5% pyrogenic silica, we would need approx. 20% hard, matt PUD while for a gloss similar to 1.5% pyrogenic silica a level of 80% hard matt PUD is required. Fig. 10) Efficiency of hard matt PUD vs. pyrogenic silica in an aliphatic PUD 2
Blends with aliph. PUD 2 (see Fig.10) We can see that the matting efficiency is higher in this case, for a comparative result to 0.5% pyrogenic silica only 10% hard, matt PUD is required. For similar gloss levels compared to 1.5% pyrogenic silica, we need approx 60% of the hard, matt PUD.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 21 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP In the two diagrams Fig. 9 & 10, we can clearly see that the required amount of the hard matt PUD is higher compared to pyrogenic silica. Even though this is the case, we need to keep in mind that the hard matt PUD acts as film forming polymer and as matting agent at the same time! These two examples indicate that the efficiency / matting power oft he matt PUD is very much dependend on which other polymer it is combined and needs to be checked in any case. Another conclusion from the above is the fact that due to our very homogenous film structure, we can only obtain a certain minimum gloss level in the 85° angle – if we want to reduce that any further, we need to add a more coarse material for the gloss reduction in the 85° angle. Using silica only, it is not possible to reduce the gloss completely as one will need an extremely high amount of silica (high viscosity, brittle, whitish film) with multiple median particle sizes.
Ultra matt wood finishes: The most challenging part in producing wood finishes is certainly the „ultra matt“ quality. These ultra matt finishes, as mentioned at the beginning, are gaining more and more interest from consumers due to their aesthetics. Today, ultra matt wood finishes are made by using a variety of different matting agents – this is necessary as one needs multiple particle sizes of matting materials in order to create a topography which has an almost total light scattering. That makes production of these coatings more difficult fort he formulator as different materials need to be properly dispersed and stabilised to ensure a long shelf life. If silica is used in a formulation, the viscosity build up is very strong which may cause issues with flow and levelling during application.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 22 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Formulation Proposal FP 84/13 based on: Alberdingk® UC 84 application field: parquet coatings, ultra matt, natural look and feel
Pos.
Raw Material
Amount
Product PU/AC-copolymer dispersion
Supplier
1
Alberdingk® UC 84
2
Drewplus T-4201
0.40
defoamer
Ashland
3
Dowanol DPnB
6.50
co-solvent
Dow Chemical
4
Water (deion.)
5.00
5
Adimatt 30 F
14.00
6
Ceraflour 920
2.00
matting agent
BYK Cera
7
Ultralube D-818
2.50
wax dispersion
Keim Additec
8
Byk 346
0.30
substrate wetting agent
9
DSX 1514
0.10
rheology modifier
BASF
10
Byk-E 420
0.50
rheology modifier
BYK Chemie
11
Drewplus T-4201
0.40
defoamer
Total
68.30
polymeric matting agent
Alberdingk Boley
Supercolori
BYK Chemie
Ashland
100.00
Fig. 11) Typical starting point formulation for an ultra matt wood finish
The a.m. starting point formulation contains 3 different matting agents (marked in red) and achieves gloss levels of 1 (20°) / 2.5 (60°) / 2.2 (85°).
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 23 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Fig. 12) Confocal microscopy of a common ultra matt varnish (100x mag/size 178x134µm):
The microscopic picture shows us the shape and dimension of the three different matting agents. Small and medium size particles with a non uniform shape and a large spherical particle. This method of reducing the gloss level to a minimum, causes a more slippy surface with a relatively low CoF. Novel approach to an ultra matt varnish: Using the inherent matt, hard PUD we have a novel tool that will help us to reach ultra matt surfaces with much less efforts – since the main polymer is already inherently matt, we just need an additional material to reduce the gloss in the 85° angle to a value of < 10. In order to obtain a gloss level of < 10 in 85° angle using the inherent matt, hard PUD, we need one matting agent that is larger in particle size than the average particle size of the polymer (4-6µm). Ideal material for this are micronised waxes or spherical polymer particles with an average particle size of > 8µm (PMMA or PU).
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 24 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Fig. 13) Confocal microscopy of the hard, matt PUD with micronised wax (100x mag/size 178x134µm)
Fig. 14) Confocal microscopy of the hard, matt PUD with 20µm PMMA spheres (100x mag/size 178x134µm)
We can see that the micronised wax is smaller than the 20µm sphere with a multimodal particle size. The 20µm PMMA sphere is dominating in Fig 14 and helps us to reduce the gloss level at 85° angle down to values of 3 and below!! That gloss level is equal or even lower than that of bare wood ! The eye is unable to see if the wood is coated or not! The size of the spheres could be varied from >8 up to 30µm – this will influence the haptic properties. The 20µm sphere was choosen to obtain a more „wooden“
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 25 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Formulation Proposal FP 970-07 Alberdingk® PUR-Matt 970 VP Alberdingk® U 7400 VP application field: parquet application, general wood coating, ultra-matt based on:
Pos.
Raw Material
Amount
Product
Supplier
1
Alberdingk® PUR-Matt 970 VP
50.00
polyurethane dispersion
Alberdingk Boley
2
Alberdingk® U 7400 VP
15.00
polyurethane dispersion
Alberdingk Boley
3
Byk 024
0.20
defoamer
BYK Chemie
4
Byk 346
0.40
substrate wetting agent
BYK Chemie
5
Dowanol DPnB
2.50
co-solvent
Dow Chemical
6
Dowanol DPM
4.00
co-solvent
Dow Chemical
7
Water (deion.)
8
BYK-7420 ES
0.20
rheology modifier
BYK Chemie
9
Optiflo T1000
1.00
rheology modifier
BYK Chemie
10
DynoAdd P-520 Total
16.70
10.00
matting agent
Dynea
100.00
Fig. 15) Novel starting point formulation for an ultra matt wood finish using the inherent matt PUD:
Conclusion: The novel, hard matt PUD offers an easy and efficient way to formulate anything from low to ultra low gloss surfaces without compromising properties. Not only that, it also helps to overcome shortfalls of silica matting agents such as e.g. transparency (DOI), scuff and BHMR resistance ,storage stability and sedimentation as well as coefficient of friction.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 26 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
Product Information Alberdingk® PUR-MATT 970 VP Outlook: The novel hard matt PUD can be used also in different applications such as matt wall paints with superior scratch resistance and overprint varnishes with a paper like feel. By changing the morphology of the particles and the design of the polymer backbone, we can also create softfeel, matt PUD’s (Fig. 16) and more....
Fig.16) convocal microscopy of a matt, softfeel PUD (100x mag/size 178x134µm)
Acknowledgements: We would like to thank all our colleagues at ALBERDINGK BOLEY for their support. A special thanks to Petra della Valentina, Christian Unterfeld and Carsten Nagel of BYK CHEMIE for their help with the confocal microscopy.
Latest update
Alberdingk Boley GmbH | Düsseldorfer Str. 53 | 47829 Krefeld | Germany
March 10, 2015
Phone +49 2151 528-0 | Fax+49 2151 573643 |
[email protected] | www.alberdingk-boley.de
page 27 of 27
Alberdingk Boley, Inc. | Greensboro, NC| USA | www.alberdingkusa.com Alberdingk Resins (Shenzhen) Co., Ltd. | Shenzhen | P. R. China | www.alberdingkchina.com The details contained herein are based on our present state of technology and shall inform on our products and their application possibilities. A lawful binding assurance of certain attributes or a suitability for a concrete operation purpose cannot be derived from this information. Industrial property rights are to be considered if required.
