Adhesive of butyl rubber, curing agent, c-black and tackifier

Details Adhesive of butyl rubber, curing agent, c-black and tackifier Adhesive of butyl rubber, curing agent, c-black and tackifier

1989-07-03

1992-03-10

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524511, 524574, 525232, 525349, 525377, C08K 516, C08L 2336, C08L 2332

Patent

active

050950681

ABSTRACT:
A roofing adhesive particularly suited for use in connection with membrane roofing materials such as EPDM or neoprene is preferably compounded from butyl rubber, a cross-linking system for the butyl rubber and a tackifier. The tensile strength, elongation, modulus at 300% elongation and modulus at failure of the composition are adjusted within range by choice of components and concentration. The adhesive composition may preferably be formed into a tape for joining sheets of the membrane roofing material.

REFERENCES:
patent: 2676950 (1954-04-01), Sparks
patent: 2765018 (1956-10-01), Connell
patent: 4037016 (1977-07-01), Habeck
patent: 4248926 (1981-02-01), Tajima
patent: 4601935 (1986-07-01), Metcalf
patent: 4607065 (1986-08-01), Kitamura

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