Production process of polyolefin resin composition containing inorganic filler
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United States of America Patent
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Jan 2, 1990
Grant Date -
N/A
app pub date -
Feb 22, 1988
filing date -
Feb 24, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A polyolefin resin composition is produced by pulverizing and surface-treating an inorganic filler together with a surface treatment agent in a dry or semi-dry pulverizing means, mixing the thus-treated inorganic filler with a specified amount of a polyolefin resin and granulating the resultant mixture, and thereafter mixing the thus-obtained granular mixture with an additional granular or pelletized polyolefin resin at a specified ratio.
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