Process for producing thermoplastic resin composition

Details Process for producing thermoplastic resin composition Process for producing thermoplastic resin composition

2008-04-02

2009-12-22

Szekely, Peter (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

Reexamination Certificate

active

07635732

ABSTRACT:
A process for producing a thermoplastic resin composition, comprising melting-kneading a thermoplastic resin and a neutralizing agent, and melting-kneading the melting-kneaded product obtained in a first step and a compound (I):wherein two R1s, two R2s, R4and R5each represent independently a hydrogen atom, an alkyl group etc.; two R3s each represent independently a hydrogen atom or an alkyl group; X represents a single bond, a sulfur atom or a —CHR6— group, wherein R6represents a hydrogen atom, an alkyl group etc.; A represents an alkylene group or a *—COR7— group, wherein R7represents a single bond or an alkylene group, and a symbol * represents a bond with an oxygen atom of a >P—O— portion; one of Y and Z represents a hydroxyl group, an alkoxy group or an aralkyloxy group, and the other of Y and Z represents a hydrogen atom, or an alkyl group.

REFERENCES:
patent: 5889095 (1999-03-01), Inui et al.
patent: 10-273494 (1998-10-01), None
European Search Report issued Aug. 24, 2009 in corresponding European Application No. 08 15 3524.

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