Tackifier composition and rubber mixture

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260 5, 260888, 260892, 526185, 526290, 528500, 528501, C08F 414, C08L 900

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040383466

ABSTRACT:
A tackifier composition comprised of a tackifying resin and a selected oily polymer distillation cut as well as an admixture thereof with selected rubbery polymers to achieve an adhesive composition. Said tackifier composition is comprised of both a tackifying resin derived from the polymerization of a mixture of at least one olefin and at least one diolefin as well as an oily polymer distillation cut at a temperature in the range of about 190.degree. C to about 250.degree. C of the product of polymerizing a monomer mixture comprised primarily of piperylene and selected monoolefins with the optional addition of dicyclopentadiene and .alpha.-methyl styrene.

REFERENCES:
patent: 3239478 (1966-03-01), Harlar, Jr.
patent: 3577398 (1971-05-01), Pace et al.
patent: 3784530 (1974-01-01), Osborn et al.
patent: 3846352 (1974-11-01), Bullard et al.
patent: 3853826 (1974-12-01), St. Cyr
patent: 3872064 (1975-03-01), Pace et al.

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