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Publication numberUST962011 I4
Publication typeGrant
Application numberUS 05/790,529
Publication dateSep 6, 1977
Filing dateApr 25, 1977
Priority dateApr 25, 1977
Publication number05790529, 790529, US T962011 I4, US T962011I4, US-I4-T962011, UST962011 I4, UST962011I4
InventorsRoland O. Muehlner
Original AssigneeShell Oil Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Coextruded laminate
US T962011 I4
A laminate having improved adhesion between sheets comprises at least one sheet of a first sheet composed of a high monoalkenyl arene content polymer and at least one sheet of a second sheet composed of block copolymers of monoalkenyl arenes and conjugated dienes, said block copolymer containing about 0.1 to about 10 percent by weight of a fatty acid amide, said first and second sheets being formed by coextrusion. In a preferred embodiment, the high monoalkenyl arene content polymer is polystyrene, the block copolymer is a styrene-butadiene copolymer, and the fatty acid amide is ethylene bis stearylamide.
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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5723543 *Sep 26, 1996Mar 3, 1998Shell Oil CompanyBlock copolymers with improved overmolding adhesion
US5969034 *Sep 26, 1996Oct 19, 1999Shell Oil CompanyBlock copolymers with improved overmolding adhesion
EP0193823A1 *Oct 6, 1982Sep 10, 1986The Coca-Cola CompanyRubber compounding bags and film made from syndiotactic 1,2-polybutadiene
U.S. Classification428/517, 428/520
International ClassificationB32B27/08
Cooperative ClassificationY10T428/31917, Y10T428/31928, B32B27/08
European ClassificationB32B27/08