Nitrile rubber/vinyl chloride polymer/silica compositions

Details Nitrile rubber/vinyl chloride polymer/silica compositions Nitrile rubber/vinyl chloride polymer/silica compositions

1989-06-07

1990-09-11

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524521, 524833, 524762, C08K 904, C08K 336, C08L 2706, C08L 3504

Patent

active

049563980

ABSTRACT:
The present invention provides a silica filled composition which contains vinyl chloride polymer and a nitrile rubber. The silica is characterized by being coated with a polymer which is prepared by the free radical emulsion polymerization of acrylate monomer. The compositions of the present invention have a good balance of physical properties and outstanding resistance to crack growth and hence are suitable for the manufacture of mechanical goods.

REFERENCES:
patent: 3773708 (1973-11-01), Takahashi
patent: 4150014 (1979-04-01), Edwards
patent: 4152308 (1979-05-01), Edwards et al.
patent: 4179421 (1979-12-01), Edwards et al.
patent: 4608401 (1986-08-01), Martin
patent: 4771086 (1988-09-01), Martin

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