Composition and method of improving the green strength of unvulc

Details Composition and method of improving the green strength of unvulc Composition and method of improving the green strength of unvulc

1977-03-21

1980-04-15

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23, 525232, 525236, 525237, C08L 900, C08L 700

Patent

active

041983246

ABSTRACT:
The green strength of elastomers is improved by the addition of semi-crystalline butene polymers selected from the class consisting of polybutene and interpolymers made from 1-butene monomer and at least one monomer selected from the class consisting of alpha-olefins, non-conjugated dienes, and non-conjugated polyenes. The semi-crystalline butene polymer is mixed with a desired elastomer such as natural or synthetic cis-1,4-polyisopropene, or a synthetic elastomer made from monomers selected from the class consisting of conjugated dienes having from 4 to 10 carbon atoms, interpolymers of said dienes among themselves or with vinyl substituted aromatic hydrocarbon compounds having from 8 to 12 carbon atoms, or polyalkenylenes. The mixing or blending of the butene polymer and the elastomer may be through conventional methods such as cement mixing or mastication.

REFERENCES:
patent: 3123583 (1964-03-01), Howard
patent: 3654197 (1972-04-01), Seifert et al.
patent: 3701702 (1972-10-01), Schichman
patent: 3965055 (1976-06-01), Schichman
patent: 4005054 (1977-01-01), Bonnefon
B. Mehr and T. Volintiru; "Influence of Additions of Polybutylene With Different Molecular Weight On The Properties of Compositions of Cis-Polyisoprene Synthetic Rubber," Materiale Plastice, No. 10 (11), 604-607 (1973).

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