Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-04-15
1994-12-20
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524399, 525239, C08K 556
Patent
active
053746732
ABSTRACT:
A flame retardant composition which includes (A) 100 parts by weight of a flame retardant resin mixture of from 30 to 80 weight percent of a styrene series (A1) wherein the reduced viscosity of a methyl ethyl ketone-soluble component is from 0.2 to 0.55 dl/g in an N,N-dimethylformamide solution at 30.degree. C. and a concentration of 0.3 g/dl, and from about 70 to about 20 weight percent of a vinyl chloride resin (A2) having an average polymerization degree of from 400 to 800, (B) from about 0.5 to about 6 parts by weight of a heat stabilizer, the volatile loss of which after the heating to 240.degree. C. for one hour in air is not more than 50% by weight, and (C) from about 0.1 to about 5 parts by weight of a lubricant, the volatile loss of which after heating to 240.degree. C. for one hour in air is not more than 50% by weight.
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Derwent Abstract of JP-A-3 052 941, Mar. 7, 1991.
Hashimoto Yoshihiko
Nishimoto Kenji
Hoke Veronica P.
Kanegafuchi Kagaku Kogyo & Kabushiki Kaisha
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