Vulcanized polymeric compositions containing a zinc...

Details Vulcanized polymeric compositions containing a zinc... Vulcanized polymeric compositions containing a zinc...

C - Chemistry, Metallurgy

07

C

400/5911, 260/52

C07C 57/04 (2006.01) C07C 51/41 (2006.01) C07F 3/00 (2006.01) C08K 5/09 (2006.01) C08K 5/098 (2006.01) C08L 21/00 (2006.01)

Patent

CA 1226297

- 32 - ABSTRACT OF THE DISCLOSURE 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 m2/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 characteristics 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.

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