METHOD OF MANUFACTURING OLEFIN RESIN PARTICLES AND PRE-EXPANDED PARTICLES

World Intellectual Property Organization Patent

APP PUB NO WO-1996009150-A1
SERIAL NO

PCTJP9501865

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Abstract

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A method of manufacturing olefin resin particles, comprising the steps of extruding by using a homodirectional biaxal kneading extruder a resin from a die nozzle having a discharge rate per hole of 0.5-8 kg/hr and a diameter of less than 2 mm into warm water of 5-90 °C which is lower than the temperature of the resin by 140-220 °C, and then cutting the extruded product with a cutter blade in the warm water. The mixed materials are dispersed uniformly, and the changing of a raw resin is carried out speedily and economically, resin particles of a desired shape being obtained.

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Patent Owner(s)

Patent OwnerAddress
KANEGAFUCHI CHEMICAL INDJP

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Inventor(s)

Inventor Name Address
SENDA KENICHI OSAKA 573-0084
SAKAGUCHI HIROFUMI SAKURAI-SHI NARA-KEN 633
SHIMAZU HISAO TAKARAZUKA-SHI HYOGO-KEN 665
SMETS RONALDS A B-2820 BONHEIDEN
VAN RAVESTYN PIERRE GEEL

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