joncryl® hyb 6340 – a new acrylic pu hybrid dispersion for excellent mechanical resistance
TRANSCRIPT
New acrylic PU hybrid dispersionfor excellent mechanical resistanceJoncryl® HYB 6340
Jürgen Kaczun, Anja Song, Leendert BerkhoutEuropean Coatings Show 2015
Table of contents
Sustainability issues for furniture and flooring
Joncryl® HYB 6340: Performance highlights
Applications
Conclusion
® = Registered trademark of the BASF Group
Application properties Abrasion resistance Pendulum hardness Chemical resistance
2
Sustainability issues for furniture and flooring
Joncryl®HYB 6340
Resistanceenabling durablecoatings
Emission reduction enabling better indoor air quality
Durability enabling cost savings
3
How to make an acrylic polyurethane hybrid?
Physical blend of PUD and acrylic dispersion
Chemically linked PUD / acrylic dispersion
PU PA
PA-phase
PU-phase
4
Joncryl HYB 6340: Performance highlights
Excellent abrasion resistance High scratch resistance Fast hardness development and high final hardness Universal blending partner for acrylic dispersions Well-balanced formulation latitude Good chemical resistance Solvent free
5
Applications
Professional and DIY flooring
Medium to high quality furniture
1K and 2K topcoats, sealers and primers
6
Joncryl HYB 6340 at a glance
Chemistry Aliphatic urethane acrylate hybrid
Appearance White emulsion
Solid content 40 %
pH 7.6
MFT 45°C
Viscosity 40 mPas (25°C Brookfield)
Solvent Solvent-free
Sustainability category Accelerator, i.e. substantial contribution to sustainability
7
115
8192 94
116 125111
21
38
64
3032
74
5254
94
Excellent abrasion resistance and early hardness development
Taber abrasion CS17 wheels [mg]
Physical blend
Formulation with 8% butyl glycol / DPnB 1:1
50010002000
JoncrylHYB 6340
JoncrylHYB 6336
Competitor-Hybrid
Pendulum hardness [sec]
Physical blend
24h7d
JoncrylHYB 6340
JoncrylHYB 6336
Competitor-Hybrid
123
133
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Higher performance than a physically mixed blend
Property overview JoncrylHYB 6340
Blend of PU dispersion and self x-linking dispersion (1/1)
Scratch resistance + -
Hardness development + o
Chemical resistance + +
Abrasion ++ -
Costs o o
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Trade name Function Parts by weight
Joncryl®1 HYB 6340 Hybrid dispersion 30.0Hydropalat®1 WE 3120 Wetting 0.3
Foamstar®1 SI 2293 Defoamer 0.3ACEmat®2 TS 100 Matting agent 0.7Water 2.0Rheovis®1 PU 1250 Thickener 0.1Let-downJoncryl®1 HYB 6340 Hybrid dispersion 50.0-XBlend dispersion Acrylic dispersion X
Propylenglycol Open time prolonger 1.5
DPnB Coalescent 4.0Butyl glycol Coalescent 4.0Foamstar®1 SI 2210 Defoamer 0.2Rheovis®1 PU 1250 Thickener 0.2Water 6.6Ammonia till pH 8.2 0.1
100.0
Universal blend component for acrylic dispersionsenabling tailored solutions
Starting point formulation:
Self x-linking MFT 59°C Solids 38.5%
Hard dispersionJoncryl 8331
Self x-linking MFT 39°C Solids 44%
Medium hardnessLuhydran® A 849 S2
Self x-linking MFT < 3°C Solids 42%
Soft dispersionAcronal® EDGE 6283
®1 = Registered trademark of the BASF Group®2 = Registered trademark of Evonik Industries 10
102 102 9877
102
7464
55
102
6642 38
130 132110 103
92
6074
45 42
Increased hardness in blends with medium and hard acrylic dispersions
Pendulum hardness [sec]
24 h 7 d
JoncrylHYB 6340
134 134134
1:1blend
1:3blend
Pureacrylic
JoncrylHYB 6340
1:1blend
1:3blend
Pureacrylic
JoncrylHYB 6340
1:1blend
1:3blend
Pureacrylic
Blend partner: hard Blend partner: medium hard Blend partner: soft
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49 66 70 8549
81 8865 49 43
13 0
97127 143
160
97
160 170
12597 87
290
150175
210245
150
240
185150 140
45
0
Tailored abrasion resistance possible depending on acrylic dispersion blending partner
Taber abrasion CS 17[mg]
500 1000
JoncrylHYB 6340
1:1blend
1:3blend
Pureacrylic
JoncrylHYB 6340
1:1blend
1:3blend
Pureacrylic
JoncrylHYB 6340
1:1blend
1:3blend
Pureacrylic*
Blend partner: hard Blend partner: medium hard Blend partner: soft260
1500
* too soft for measurement
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Water 24h
Ethanol1h
Coffee16h
Aceton2 min
Hand cream24h
Red wine 6h
Tailored chemical resistance possible depending on acrylic dispersion blending partner
Joncryl HYB 6340 1:1 blend
Blend partner: hard Blend partner: medium hard Blend partner: soft
1:3 blend
Water 24h
Ethanol1h
Coffee16h
Aceton2 min
Hand cream24h
Red wine 6h
Water 24h
Ethanol1h
Coffee16h
Aceton2 min
Hand cream24h
Red wine 6h
Evaluation in starting point formulation acc. to DIN 68861-1 1B, on beech veneer after 7 days drying at RT
2345
Chemical resistance
2345
12345
11
13
Conclusion
Solvent-free for high formulation flexibility
Emission reduction
Durability
Resistance
Excellent scratch resistance High abrasion resistance
Good chemical resistance
Fast hardness development for faster reusability
JoncrylHYB 6340
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Please get in touchYou are highly welcome at our booth No. 523, hall 7a
Jürgen KaczunTechnical [email protected]
150 years