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

8

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

9

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

11

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

12

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

14

Please get in touchYou are highly welcome at our booth No. 523, hall 7a

Jürgen KaczunTechnical Marketingjuergen.kaczun@basf.com

150 years