Adhesive tape compositions and method for covering roofs

Details Adhesive tape compositions and method for covering roofs Adhesive tape compositions and method for covering roofs

1996-04-01

1999-01-12

Jagannathan, Vasu

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...

524491, 525236, 525240, 525242, C08L 5104

Patent

active

058591141

ABSTRACT:
An adhesive tape composition includes a polymer blend comprising at least one ethylene-propylene-diene terpolymer and at least one fully saturated adhesive-enhancing polymer miscible with said at least one ethylene-propylene-diene terpolymer. The tape adhesive composition further includes at least one tackifying additive compatible with said polymer blend and a sulfur and organic accelerator cure package for said polymer blend, the adhesive composition being devoid of butyl rubber which is found in most other adhesive tape compositions. This composition is seen as providing excellent long-term heat aging, weathering resistance, and low temperature properties as compared to adhesive tape compositions containing butyl rubber. Moreover, the adhesive tape composition provides more surface tack, better "quick-grab", and higher green strength as compared to adhesive tape compositions containing 100 percent EPDM rubber. A method is also provided for covering roofs which includes the step of employing the adhesive tape composition.

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"Ethylene-Propylene Rubbers" by Samuels, Copolymer Rubber & Chemical Corporation, pp. 147-168 (undated).

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