Method of joining waterproof vulcanized synthetic rubber sheets
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United States of America Patent
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Sep 13, 1983
Grant Date -
N/A
app pub date -
Feb 25, 1981
filing date -
Feb 25, 1981
priority date (Note) -
Expired
status (Latency Note)
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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.
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