Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Ornamental – decorative – pattern – or indicia
Patent
1991-11-15
1993-09-07
Seidleck, James J.
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Ornamental, decorative, pattern, or indicia
428355, 525145, 525154, 525 87, 525236, 525235, 525237, 525240, C08L 2316, C08L 2322, C08L 2328, C08L 6106
Patent
active
052427277
ABSTRACT:
A cured adhesive tape composition for adhering together roofing materials such as synthetic EPDM rubber and which provides long term water tightness is provided. The adhesive composition includes substantially equal amounts by weight of a) a rubbery polymer comprising a blend of an ethylene-propylenediene terpolymer, a halogenated butyl rubber or a halogenated copolymer of p-methylstyrene and isobutylene, and polyisobutylene b) a compatible tackifier, and c) an accelerator/cure package for the rubbery polymer. The cured composition exhibits a peel strength of at least 715 grams/cm at room temperature, at least 300 grams/cm at 70.degree. C., and supports a static load of at least 300 grams at 70.degree. C.
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Briddell Brian J.
Hubbard Michael J.
Adco Products Inc.
Clark W. R. H.
Seidleck James J.
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