Crosslinkers For Latex Adhesives 2008

Crosslinking Technology for Latex or Acrylic Emulsions Katie L. Skok and Roeland J. Tuinman, PhD Auburn Hills, Michigan

Emulsion Polymer Isocyanate Adhesives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Emulsion Polymer Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Polyvinyl acetate homopolymer Common white glue Carpenters glue

Emulsion Polymer Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pressure Sensitive Adhesives Adhesive for carpet backing

MDI Background ,[object Object],[object Object],Polymeric MDI Fn=2.7 Pure MDI’s Fn=2.0

Emulsifiable MDI 50/50 blend of water and MDI RUBINATE® M Polymeric MDI RUBINATE 9259 Emulsifiable MDI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Product Data ,[object Object],Recommended as Crosslinker for Emulsion Polymer Adhesives 139 2.67 1.23 210 30.2 RUBINATE 9259 Isocyanate 2.70 2.70 2.69 Functionality 135 1.23 190 31.2 RUBINATE M Isocyanate 135 1.23 400 31.2 SUPRASEC 9600 Isocyanate 135 1.23 220 31.0 RUBINATE 9236 Isocyanate Equivalent Weight Specific Gravity @25C Viscosity (cps) %NCO

Emulsifiable MDI for Emulsion Polymer Adhesives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Formulating Approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Typical Emulsion Formulation 9.4% Water 0.2% Air Products Dynol 604 Dispersant 0.2% Rohm & Haas Rocima BTNV2 Biocide 0.2% Air Products Surfonyl DF-210 Defoamer 35.0% Celanese 10% Cevol 523 Polyvinyl Alcohol 25.0% Omya OmyaCarb 5 Calcium Carbonate 30.0% 50% Solids; 6.0 pH; Anionic Surfactant SB Latex 85.0% Emulsion Polymer 15.0% SUPRASEC 9600 or RUBINATE 9236 MDI Isocyanate

Lap Shear Adhesion * Fastest adhesive strength build up *

Viscosity Profiles * Suprasec 9600 builds viscosity at a slower rate *

EPI Adhesive Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adhesive for Doors and Windows

Door and Window Adhesive ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ASTM D-5751 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Photos of ASTM-D5751 Glue line Wood Failure

Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusions (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],New Product Longer open times achieved!

Crosslinkers For Latex Adhesives 2008

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Crosslinkers For Latex Adhesives 2008