Composition and process for the preparation of segmented polyest

Details Composition and process for the preparation of segmented polyest Composition and process for the preparation of segmented polyest

1976-08-16

1978-07-25

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528 76, 528 83, C08G 1808, C08G 1842

Patent

active

041028686

ABSTRACT:
A process for preparing segmented polyester-urethane polymers and polymers made by the process are described.
Organic solvents are not required, and the process minimizes randomization resulting from ester interchange. The polymers resulting from the process exhibit generally low hysteresis over a wide temperature range, depending on the composition, and are suitable for tires, hoses, belts, and gaskets. Molding by extrusion, injection and compression techniques can be employed.

REFERENCES:
patent: 2880192 (1959-03-01), Coffey et al.
patent: 3310533 (1967-03-01), McElroy
patent: 3488302 (1970-01-01), Pipon
patent: 3553172 (1971-01-01), Thoma et al.
patent: 3686146 (1972-08-01), Goto
patent: 3963679 (1976-06-01), Ullrich et al.
Journal of Applied Polymer Science, vol. 5, No. 13, (1961), pp. 108-114.

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