Low temperature sealing adhesive composition
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United States of America Patent
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May 8, 1990
Grant Date -
N/A
app pub date -
Dec 30, 1988
filing date -
Dec 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adhesive composition for roofing such as shingles is disclosed which is composed of a hard asphaltic bitumen fraction having a penetration number at 77.degree. F. of from 0 to 30 dmm and a softening point of from about 150.degree. to 220.degree. F. and an elastomeric composition composed of a thermoplastic elastomer and a plasticizer wherein the overall adhesive composition has a penetration number of from 30 to 100 dmm at 130.degree. F. and a softening point of 140.degree. to 230.degree. F. The inventive composition is self-sealing and exhibits excellent squash resistance, low temperature properties and resistance to blowoff. The composition can be used with shingles as well as other types of roofing coverings.
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Cited Art Landscape
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