公开(公告)号：US3580796A

公开(公告)日：1971-05-25

申请号：US3580796D

申请日：1967-03-16

Applicant: DU PONT

Inventor： HICK ROBERT M JR ,  GOULD JOSEPH C

IPC: B32B17/10 ,  C08G18/81 ,  C09J175/04 ,  B32B27/40

CPC classification number: C08G18/8125 ,  B32B17/10018 ,  B32B17/10036 ,  B32B17/10366 ,  B32B17/1077 ,  C08L2666/54 ,  C09J175/04 ,  Y10S528/905 ,  Y10T428/31558 ,  Y10T428/31573 ,  Y10T428/31591 ,  Y10T428/31598 ,  Y10T428/31601 ,  Y10T428/31605 ,  Y10T428/31612

Abstract: A COMPOSITE ARTICLE IS PREPARED BY (A) PROVIDING A LIQUID POLYURETHANE BY REACTING BIS (2-ISOCYANATOETHYL) FUMARATE WITH A POLYMERIC POLYOL COMPONENT WHICH PREFERABLY COMPRISES A TRIOL OBTAINED FROM PROPYLENE OXIDE AND 1,2,6-HEXANETRIOL, AND (B) USING SAID POLYURETHANE TO COAT A LAYER OF GLASS OR ACRYLIC PLASTIC OR TO BOND SAID LAYER (E.G., A WINDSHIELD) TO ANOTHER LAYER OF SOLID MATERIAL (E.G., AN AUTO BODY) WITH A CURED BOND WHICH IS HIGHLY RESISTANT TO ADHESIVE FAILURE WHEN THE ARTICLE IS EXPOSED TO SUNLIGHT AND OUTDOOR WEATHER FOR EXTENDED PERIODS OF TIME.