Blends of trans-polybutadiene and medium vinyl polybutadiene

Details Blends of trans-polybutadiene and medium vinyl polybutadiene Blends of trans-polybutadiene and medium vinyl polybutadiene

1977-06-20

1982-01-12

Ziegler, J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

260 336AQ, 260 336UA, 260 4244, 260 4247, 260 4254, 521 71, 521140, 525 88, 525236, 525237, B32B 328, C08L 900

Patent

active

043105823

ABSTRACT:
Rubber compositions comprising a blend of a major amount of polybutadiene having 1,2-addition in the range of about 25 to about 65 percent and a minor amount of polybutadiene having trans-1,4-addition of at least about 70 percent. Also vulcanized cellular rubber compositions in which the rubber comprises a blend of a major amount of polybutadiene having 1,2-addition in the range of about 25 to about 65 percent and a minor amount of polybutadiene having trans-1,4-addition of at least about 70 percent.

REFERENCES:
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patent: 3166609 (1965-01-01), Wilder
patent: 3213160 (1965-10-01), Crouch
patent: 3244773 (1966-04-01), Crouch
patent: 3278644 (1966-10-01), Zelinski
patent: 3301840 (1967-01-01), Zelinski
patent: 3317363 (1967-05-01), Weber
patent: 3344206 (1967-09-01), Short
patent: 3476830 (1969-11-01), Naarmann et al.
patent: 3553051 (1971-01-01), Warrach et al.
patent: 3725331 (1973-04-01), Lesage et al.
patent: 3830881 (1974-08-01), Woods et al.
patent: 3852225 (1974-12-01), Ishikawa et al.
patent: 3897260 (1975-07-01), Yaginuma et al.
patent: 3926933 (1975-12-01), Nayor
patent: 3959545 (1976-05-01), Siedenstrang
patent: 3978165 (1976-08-01), Stumpe, Jr. et al.
patent: 3981830 (1976-09-01), Takeuchi et al.
Rubber and Plastics Age, vol. 42 "New Controlled-Structure Polymers of Butadiene", pp. 276-282 (1961).
Rubber World vol. 138, "Low-Temperature Properties of 80 Percent CIS-Polybutadiene", pp. 75-80 (1958).

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