Stock material or miscellaneous articles – Composite – Of epoxy ether
Patent
1978-01-25
1980-07-29
Smith, Ronald H.
Stock material or miscellaneous articles
Composite
Of epoxy ether
4272084, 4272088, 4273935, 4273855, 4274124, 4274301, 138146, 138177, 138DIG3, 138DIG7, 156327, 156331, 427386, 427387, 427425, 427428, 427429, 428423, 4284246, B32B 2738, B32B 2740
Patent
active
042151775
ABSTRACT:
The present invention provides a process for treating polyvinyl fluoride surfaces to enhance adhesion of other polymers thereto comprising applying to at least one surface thereof a solution consisting essentially of a coating polymer selected from a polyurethane or an alkyl polymethacrylate and at least one aprotic polar solvent in which said polymer is soluble, and exposing said surface to a temperature of from about 120.degree. C. to 230.degree. C. for a time sufficient to evaporate said solvent. The treated polyvinyl fluoride having an adhering intermediary surface of polyurethane or alkyl polymethacrylate usefully serves as a means to secure the polyvinyl fluoride to another polymer which otherwise would not adhere to polyvinyl.
REFERENCES:
patent: 3900616 (1975-08-01), Moore
patent: 3931836 (1976-01-01), Thiel
patent: 3944689 (1976-03-01), Luckock et al.
patent: 3959526 (1976-05-01), Swerlick
patent: 4066814 (1978-01-01), Chiklis
Page Thurman K.
Produits Chimiques Ugine Kuhlmann
Smith Ronald H.
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