Method for the production of polyolefin resin granules
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United States of America Patent
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Jun 15, 1999
Grant Date -
N/A
app pub date -
Jun 2, 1997
filing date -
Sep 20, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for producing polyolefin resins granules are disclosed, which comprises extruding by using a homodirectional (co-rotating) twin-screw kneading extruder a polyolefin resin from a die nozzle having a diameter of less than 2 mm and a discharge amount per hole of 0.5-8 Kg/hr into warm water of 5-90.degree. C. which is lower than a temperature of the resin by 140-220.degree. C., and cutting the extrudate with a cutter blade in the warm water. According to this invention, uniformly dispersed compounds are obtained, and switching of a raw resin can be done speedily and economically, and further, resin granules of a desired shape can be produced.
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