Bitumen adhesive composition containing an ionomeric elastomer a

Details Bitumen adhesive composition containing an ionomeric elastomer a Bitumen adhesive composition containing an ionomeric elastomer a

1985-04-17

1986-06-17

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of bituminous or tarry residue

428497, 428521, 428220, 524 62, 524 64, 524 68, 524 69, B32B 1100

Patent

active

045956367

ABSTRACT:
Bitumen-based pressure sensitive adhesive compositions are provided which comprise bitumen, oil, and an ionomeric elastomer. The adhesive compositions are useful as self adherent waterproofing layers, particularly in roofing applications. The use of the ionomeric elastomer permits formulation of the adhesive to have improved tack at the lower temperatures encountered in such application while maintaining desired flexibility, shear strength, and flow resistance.
Also provided are waterproofing membranes comprising the inventive adhesive compositions.

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patent: 4420524 (1983-12-01), Gorgati
patent: 4524156 (1985-06-01), Cogliano

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