Rubber compounds containing zinc dimethacrylate

Details Rubber compounds containing zinc dimethacrylate Rubber compounds containing zinc dimethacrylate

1984-01-09

1985-01-22

Lilling, Herbert J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524496, 524534, C08K 304, C08L 5100, C08L 3100

Patent

active

044953267

ABSTRACT:
Sulfur-curable, carbon black reinforced material rubber compounds having improved processing properties in the uncured state and improved strength and dynamic properties in the cured state are obtained by the addition of from about 0.2 to about 15 parts by weight per 100 parts by weight of natural rubber of a zinc dimethacrylate having a surface area of from about 3.7 to about 5.4 m.sup.2 /g or more to the compounds. The addition of the zinc dimethacrylate to the compounds permits the use of lower quantities of carbon black than would ordinarily be employed in the absence of the zinc dimethacrylate while still providing for the improved properties.

REFERENCES:
patent: 3823122 (1974-07-01), Schutt et al.
patent: 4082288 (1978-04-01), Martin
patent: 4191671 (1980-03-01), Kataoka et al.
patent: 4192790 (1980-03-01), McKinstry et al.
Derwent Abstract 51465 E/25 , Sumitomo Rubber, J57078875, (5-1982).
Derwent Abstract 51372 E/25, Sumitomo Rubber J57078432, (5-1982).

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