Crosslinkers for Water Based Adhesives - PSTC. Pressure Sensitive ...

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Comparison of Crosslinkers None Metal ion NCO AZ pCDI Potlife good good 2 – 8 hr 8+ hr 8+ hr Peel reduction none high high high high Peel build high low low low low Anchorage poor poor good good good Water sensitivity high high low low low Toxicity low low high high low Cost in use -- low high low mod
Conclusions • Polycarbodiimides show performance characteristics similar to traditional crosslinkers commonly used in PSA’s • Benefits: – Peel reduction – Improved anchorage to film – Useful potlife – Low toxicity
Page 1 and 2: Aromatic Polycarbodiimides: Crossli
Page 3 and 4: Applications Using Crosslinkers •
Page 5 and 6: Reaction of pCDI with Carboxylic Ac
Page 7 and 8: Toxicity of pCDI • Studies - Ames
Page 9 and 10: Potlife of pCDI Crosslinker: Peel R
Page 11 and 12: Peel Force with Different Levels of
Page 13 and 14: Polyaziridine Reaction with Polymer
Page 15 and 16: Polyisocyanate Reactions with Polym
Page 17 and 18: Metal Ion Reaction with Polymer Pol
Page 19 and 20: Peel Force Comparison of pCDI to Ot
Page 21: Wet Anchorage Test: Comparison of p

Crosslinkers for Water Based Adhesives - PSTC. Pressure Sensitive ...

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