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

B - Operations, Transporting

31

B

154/72.19

B31B 1/72 (2006.01) B31F 5/06 (2006.01) B65H 21/00 (2006.01) B65H 69/06 (2006.01)

Patent

CA 1172551

M-10-26809C/HO/81 ABSTRACT OF THE DISCLOSURE A method for joining waterproof vulcanized synthetic rubber sheets is described wherein a cold- vulcanizable adhesive tape having Mooney viscosity [ML1+5 (100°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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