Method for lubricating PVC plastics

Details Method for lubricating PVC plastics Method for lubricating PVC plastics

1987-05-26

1988-06-07

Short, Patricia A.

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

Synthetic resins

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

C08L 7206

Patent

active

047497505

ABSTRACT:
A method for lubricating/releasing polyvinyl chloride, its copolymers, or polymer mixtures thereof, in which there is added a polyester comrising the polycondensation product of a C.sub.12-24 hydroxy carboxylic acid containing a secondary hydroxyl moiety, which may be chain terminated by a C.sub.8-24 monocarboxylic acid or glycerol.

REFERENCES:
patent: 2785978 (1957-03-01), de Rijck
patent: 3169945 (1965-02-01), Hostettler
patent: 3592877 (1971-07-01), Mullins
patent: 3778465 (1973-12-01), Barnstorf
patent: 4393167 (1983-07-01), Holmes
Encyclopedia of Polymer Science and Technology, vol. 14, pp. 396-401; 414-419; J. Wiley and Sons, N.Y., 1971.

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