Polybutylene modified masterbatches for impact resistant polypropylene
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United States of America Patent
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Jan 19, 1982
Grant Date -
N/A
app pub date -
Jul 22, 1980
filing date -
Jul 22, 1980
priority date (Note) -
Expired
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Abstract
An impact resistant polypropylene prepared with a masterbatch comprising an uncured elastomer, a butene-1 polymer and an optional comodifier such as high density polyethylene possesses improved weld line strength and other properties.
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