Adhesive compositions comprising ethylene/polar monomer copolymer and an elastomer
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United States of America Patent
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Jun 1, 1982
Issued Date -
N/A
app pub date -
May 22, 1980
filing date -
Apr 15, 1975
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Compositions comprising a mixture of an adhesive copolymer of ethylene and a monoolefinically unsaturated polar comonomer, for example, vinyl acetate, in combination with an olefin rubber, preferably a rubbery copolymer of ethylene and propylene, exhibit excellent adhesive properties, particularly when applied to non-porous surfaces such as metals. Creep resistance can be improved by lightly crosslinking the composition with radiation. Typically thermoplastic in nature, these compositions can be made thermosetting by including in the composition a heat activated crosslinking system. The compositions also exhibit resistance to blocking and flexibility at low temperatures.
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