GREEN STRENGTH OF ELASTOMER BLENDS

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 Where X1 and X2 are selected from the group consisting of hydrogen, methyl, carboxyl, fluorine, chlorine, bromine, and iodine, R...

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Bibliographic Details
Main Authors FRIEDMAN, EMIL M, BAUER, RICHARD G
Format Patent
LanguageEnglish
French
Published 29.09.1981
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary: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 Where X1 and X2 are selected from the group consisting 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.
Bibliography:Application Number: CA19770279820