Process for preparing predispersed fiber compositions
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United States of America Patent
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May 23, 1989
Issued Date -
N/A
app pub date -
Oct 6, 1987
filing date -
Aug 30, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for preparing a predispersed fiber composition useful for dispersing discontinuous fibers into a rubber or plastic polymer compound is disclosed which comprises mixing at least about 15 percent by weight of a pourable binder composition with up to about 85 percent by weight of discontinuous fibers at a temperature of from about 40.degree. C. to about 150.degree. C. until a homogeneous predispersed fiber composition is obtained. The binder composition comprises from about 50 to 100 percent by weight of a rubber or plastic polymer, from 0 to about 50 perecnt by weight of a plasticizer or peptizer for the polymer, and from 0 to about 45 percent by weight of critical chemical additives, and is pourable at ambient tmeperature or becomes pourable upon being heated to a temperature of up to about 135.degree. C. and has a Brookfield viscosity of less than about 1,300,000 centipoises at the temperature at which it is pourable.
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