Vulcanizable polymeric compositions containing a zinc dimethacry

Details Vulcanizable polymeric compositions containing a zinc dimethacry Vulcanizable polymeric compositions containing a zinc dimethacry

1986-04-17

1987-12-15

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...

524274, 524496, 524519, 524521, 524533, 524535, 525193, 525194, 525201, 525263, 525265, 525273, 525274, C08K 304, C08F 800

Patent

active

047134097

ABSTRACT:
Vulcanizable polymeric compositions comprising certain rubbery polymers or polymer blends, a zinc dimethacrylate adjuvant having a surface area of from about 3.7 to about 5.4 m.sup.2 /g or more and a peroxide curing agent are provided. Polymeric compositions which contain 25 parts by weight or more of the zinc dimethacrylate adjuvant per 100 parts by weight of rubbery polymer in the absence of reinforcing fillers exhibit excellent strength and hysteresis characteristcs when cured. The surface area of the zinc dimethacrylate adjuvant along with its method of preparation are extremely important factors in the excellent properties obtained when polymeric compositions containing the adjuvant are cured.

REFERENCES:
patent: 4056269 (1977-11-01), Pollitt et al.
patent: 4264075 (1981-04-01), Miller et al.
patent: 4305851 (1981-12-01), Tominaga et al.

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