Polyoxyalkylene polymers as lubricants particularly in molding p

Details Polyoxyalkylene polymers as lubricants particularly in molding p Polyoxyalkylene polymers as lubricants particularly in molding p

1984-11-26

1985-11-26

Pertilla, Theodore E.

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

Synthetic resins

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

106 3822, 252 11, 252 52A, C08L 7102

Patent

active

045555494

ABSTRACT:
The instant invention relates to a rubber lubricant composition characterized by complete wetting of the elastomer surface both before and after vulcanization which gives a matte finish on cooling down that remains soft and does not flake off. This comprises (1) polyoxypropylene-polyoxyethylene block copolymer having a molecular weight of the polyoxypropylene hydrophobe of about 2500 to 4000 and containing 20 to 80 percent oxyethylene groups and (2) an oxyethylated oxypropylated higher alcohol.

REFERENCES:
patent: 4129717 (1978-12-01), Praetorius et al.
patent: 4217394 (1980-08-01), Newkirk et al.

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