Stabilized halogen-containing resin composition

Details Stabilized halogen-containing resin composition Stabilized halogen-containing resin composition

2009-02-20

2010-12-14

Choi, Ling-Siu (Department: 1762)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S436000

Reexamination Certificate

active

07851533

ABSTRACT:
A stabilized halogen-containing resin composition containing a halogen-containing resin and a complex of acid white clay and/or activated white clay with a calcium hydroxide compound represented by the formula (1),in-line-formulae description="In-line Formulae" end="lead"?Ca1-x-yM2+xAly(OH)2  (1)in-line-formulae description="In-line Formulae" end="tail"?wherein M2+represents at least one bivalent metal selected from the group consisting of Mg, Zn, Cu and etc., x is in the range of 0≦x<0.4 and y is in the range of 0≦y<0.1,which composition solves the problems of strong initial coloration and poor processing stability of a calcium hydroxide compound, a process for producing the above complex and a thermal stabilizer containing the above complex.

REFERENCES:
patent: 5133899 (1992-07-01), Nakazawa et al.
patent: 7041265 (2006-05-01), Ishida et al.
STIC search results, Jul. 31, 2009.

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