Patent ID: 6773798
Filing Date: 2004-08-10
Classification: B32B,Y10T

Abstract:
A multilayer composite structure, comprising:a. a first foam layer comprising polyethylene homopolymer or copolymer; b. a second foam layer comprising polypropylene homopolymer or copolymer; and c. a coating disposed between and bonding said first and second foam layers together at a bond strength of at least about 4 lbf/inch, said coating having a thickness ranging from about 1 to about 6 mils and comprising ethylene/vinyl acetate copolymer, wherein said polyethylene foam layer has a thickness ranging from about {fraction (1/16 )} to about 1 inch and said polypropylene foam has a thickness ranging from about 1 to about 4 inches, and said composite structure is in the form of a flotation article.