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Title:
THERMOPLASTIC RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2009046612
Kind Code:
A
Abstract:

To provide a thermoplastic resin composition having ultraviolet absorption power and being reduced in the foreign matter content and to provide a method for producing the composition.

The method for producing the thermoplastic resin composition comprises a step of filtering and purifying a thermoplastic resin composition containing 70.0 mass% and 99.9 mass% acrylic resin and 0.1 mass% and 10 mass% ultraviolet light absorbent under conditions in which resin melting viscosity in 100/sec shear rate becomes 800 Pa sec by using an extruder 2 equipped with a polymer filter 4 having 10 m filtration accuracy.


Inventors:
NAKADA YOSHITOMO
NAKA AKIO
NAKANISHI HIDETAKA
Application Number:
JP2007000215168
Publication Date:
March 05, 2009
Filing Date:
August 21, 2007
Export Citation:
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Assignee:
NIPPON CATALYTIC CHEM IND
International Classes:
C08J3/205; C08F220/20
Domestic Patent References:
JP2007070607A2007-03-22
JP2002126418A2002-05-08
JPH1176716A1999-03-23
JPH09263614A1997-10-07
JP2006335804A2006-12-14
JP5148132B22013-02-20
Foreign References:
WO2006051784A12006-05-18
Attorney, Agent or Firm:
特許業務法人原謙三国際特許事務所