Green strength of elastomer blends

Details Green strength of elastomer blends Green strength of elastomer blends

C - Chemistry, Metallurgy

08

J

400/1116, 400/64

C08J 3/22 (2006.01) C08F 236/04 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01)

Patent

CA 1109989

ABSTRACT OF THE DISCLOSURE The green strength of elastomer blends of natural or synthetic cis-1,4-polyisoprene and synthetic elastomers is improved by including an ionogenic group having the formula Image Where X1 and X2 are selected from the group con- sisting of hydrogen, methyl, carboxyl, fluorine, chlorine, bromine, and iodine, R, is H, C, through C 10, - (CH2)? COOH, n - 0 to 4, or a halogen, m is 0 to 11, and A is OH, OM or NH2 where M is a metal selected from groups 1A, 2A, 3A or 2B of the Periodic Table. The said ionogenic group can be incorporated into the chain of the synthetic elastomer a? through any conventional polymerization of the monomers forming the synthetic elastomer. Generally, the blends have greatly improved green strength as compared to rubber blends known to the art. The blends of the present invention are of particular use in tires and tire components, as well as in conveyor belts, hoses, and the like.

279820

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