Stabilizing composition for chlorine-containing polymer comprisi

Details Stabilizing composition for chlorine-containing polymer comprisi Stabilizing composition for chlorine-containing polymer comprisi

1996-05-06

1997-09-30

Yoon, Tae

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...

524114, 524127, 524400, 524423, 524425, 524567, C08K 507, C08K 310, C08K 509

Patent

active

056726465

ABSTRACT:
The present invention relates to a stabilizing composition for a chlorine-containing polymer (PVC), characterized in that it comprises the unpurified crude product resulting from the reaction of an ester with a ketone in the presence of an alkaline agent, this crude product comprising at least 10 % by weight of .beta.-diketone and being in the form of a powder.

REFERENCES:
patent: 4102839 (1978-07-01), Crochemore et al.
patent: 4427816 (1984-01-01), Aoki et al.
patent: 5070128 (1991-12-01), Gay
patent: 5071898 (1991-12-01), Wirth et al.
patent: 5252645 (1993-10-01), Nosu et al.

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