Patent ID: 9273230
Filing Date: 2016-03-01
CPC Classification: B32B,C09J,Y10T

Claim Text:
1. A hot melt assist waterborne adhesive composition comprising: a) an emulsion polymer that has a Tg value of from about -50° C. to about 80° C. selected from the group consisting of polyvinyl alcohol stabilized polyvinyl acetate ethylene dispersion, polyvinyl alcohol stabilized polyvinyl acetate homopolymer, dextrin stabilized polyvinyl acetate, dextrin stabilized ethylene copolymer, cooked polyvinyl alcohol and mixture thereof; b) a preservative; c) a plurality of pre-expanded microspheres; and d) water, wherein the microspheres have a volume fraction ranging from about 10 to 40V/V% based on the total volume of the adhesive.