Rubber composition

Details Rubber composition Rubber composition

1978-12-19

1980-08-19

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 318J, 260 318DR, 260 336A, 260759, C08L 700, C08L 900

Patent

active

042183499

ABSTRACT:
A rubber composition with improved processability and capable of affording a vulcanizate with improved properties including improved adhesion to a metal surface is disclosed. The composition comprises a modified liquid polyisoprene rubber and a natural rubber. The modified liquid polyisoprene rubber is an adduct of maleic anhydride or a derivative thereof with a liquid polyisoprene rubber with a cis-1,4 content of not less than 70% and a molecular weight of 8,000 to 100,000, the amount of said maleic anhydride or said derivative being 0.1 to 15 mol % per isoprene unit in said liquid polyisoprene rubber.

REFERENCES:
patent: 3335202 (1967-08-01), Giulio et al.
patent: 3507838 (1970-08-01), Vervloet
patent: 3567691 (1971-03-01), Van Breen et al.
patent: 3887527 (1975-06-01), Okamura et al.
patent: 3898193 (1975-08-01), Minatono et al.
patent: 3909473 (1975-09-01), Okamura et al.

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