Method of joining waterproof vulcanized synthetic rubber sheets

Details Method of joining waterproof vulcanized synthetic rubber sheets Method of joining waterproof vulcanized synthetic rubber sheets

1981-02-25

1983-09-13

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563069, 156313, 156334, B29C 1900, C09J 700

Patent

active

044040563

ABSTRACT:
A method for joining waterproof vulcanized synthetic rubber sheets is described wherein a cold-vulcanizable adhesive tape having Mooney viscosity [ML.sub.1+5 (100.degree. C.)] of from 5 to 25 and an autoadhesion property, and which contains a rubbery polymer comprising (1) ethylene-propylene terpolymer, butyl rubber, or a blend of ethylene-propylene terpolymer and butyl rubber, (2) a vulcanizing agent, (3) a vulcanization accelerator, (4) an adhesive agent, and (5) a softening agent is placed between overlapped areas of the waterproof vulcanized synthetic rubber sheets, and said adhesive tape is cold-vulcanized to thereby join the sheets.

REFERENCES:
patent: 2936261 (1960-05-01), Cole
patent: 3976530 (1976-08-01), Callan
patent: 4152473 (1979-05-01), Layman

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