Method of producing an adhesive elastomeric film

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 5/00 (2006.01) C08G 18/10 (2006.01) C08G 18/48 (2006.01) C08G 18/76 (2006.01) C08J 7/04 (2006.01)

Patent

CA 1143612

ABSTRACT Adhesive polyurethane or polyurea elastomeric film is produced on rubber articles by applying to the surface of the rubber article a prepolymer with reactive isocyanate end-groups and a polyaddition catalyst and chain- lengthening the prepolymer into an elastomeric film by the use of moisture. Improved film adhesion is obtained without loss of ductility.

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