Technique for stabilization of vinyl chloride polymers

Details Technique for stabilization of vinyl chloride polymers Technique for stabilization of vinyl chloride polymers

1980-01-10

1984-04-17

Henderson, C. A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524399, 5253315, C08F 842, C08F 800

Patent

active

044435860

ABSTRACT:
A technique is described for the preparation of stable vinyl chloride polymers wherein a vinyl chloride polymer in solution is reacted with an organotin compound. The polymer is precipitated from solution and subjected to solvent extraction, the resultant polymers evidencing a stability which is comparable with that obtained by means of the conventional prior art stabilizers.

REFERENCES:
patent: 2481086 (1949-09-01), Cleverdon
patent: 3862066 (1975-01-01), Reiter
patent: 3914208 (1975-10-01), Carlos
patent: 4028337 (1977-06-01), Starnes, Jr.
Sarvetnick, H. A., Polyvinylchloride, Reinhold (NY), p. 98 (1969).
Polym. Prep., Am. Chem. Soc., Div. Polym. Chem., 16(2), 500 (1975).
Macromolecules, vol. 10, pp. 499,500, Mar., Apr. 1977.

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