Process for granulating polyarylene sulfide based-resin
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United States of America Patent
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Issued Date -
Aug 26, 2004
app pub date -
Feb 20, 2003
filing date -
Feb 20, 2003
priority date (Note) -
Abandoned
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Abstract
There is disclosed a process for granulating a polyarylene sulfide-based resin which comprises extruding a molten polyarylene sulfide-based resin with an extruder through a die nozzle, thereafter taking off the resin in cooling water at a temperature in the range of 5 to 60.degree. C. which flows down on a prescribed inclined surface, and cutting off the resin and pelletizing the same at a prescribed position on the downstream region. It is made possible by the above process to efficiently steadily produce micro-pellets and amorphous pellets of the polyarylene sulfide-based resin. Furthermore, in the case of preparing the compound of the pellets by compositing with a filler such as calcium carbonate, the stability of an extruder can be assured by the specific resin pellets.
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