Patent Number: 6,309,507

Title: Polyisocyanate curing agent for laminate adhesive laminate adhesive comprising the same and its use

Abstract: A polyisocyanate curing agent for a laminate adhesive, which comprises a hydrophilic polar group-containing polyisocyanate; a laminate adhesive excellent in heat-resistance, durability and adhesiveness to polyolefin film which adhesive comprises the above hydrophilic polar group-containing polyisocyanate and an active hydrogen-containing compound; and use of an adhesive comprising the above polyisocyanate curing agent and an active hydrogen-containing compound in film lamination.

Inventors: Morikawa; Yukihiro (Yokohama, JP), Sasahara; Toshiaki (Yokohama, JP), Konishi; Shin (Fujisawa, JP)

Assignee: Nippon Polyurethane Industry Co., Ltd.

International Classification: C08G 18/10 (20060101); C09J 175/04 (20060101); C08G 18/66 (20060101); C08G 18/00 (20060101); C08G 18/80 (20060101); C08G 18/79 (20060101); C09J 101/00 ()

Expiration Date: 10/30/2018