Method for preparing amorphous polymer chains in elastomers

Details Method for preparing amorphous polymer chains in elastomers Method for preparing amorphous polymer chains in elastomers

1996-12-02

2000-08-15

Gorr, Rachel

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 75, 528335, 528345, 528347, 525415, C08G 1842

Patent

active

061038520

ABSTRACT:
A method for preparing an amorphous polymer chain in an elastomer which permits use of previously unavailable monomers while permitting control of crystallizability of the amorphous polymer chain. The method of the present invention thus permits an increased range of industrial scale production by broadening the range of raw materials which can be used and by increasing the design options in constructing the chain.

REFERENCES:
patent: 3651021 (1972-03-01), Kincaid et al.
patent: 3663515 (1972-05-01), Hostettler et al.
patent: 3899467 (1975-08-01), Bonk et al.
patent: 4447591 (1984-05-01), Watanabe
C.Seefried, Jr. J.V. Koleske, F.E. Critchfield, Thermoplastic Urethane Elastomers. I. Effect of Soft Segment Variations, Sep. 1975, Journal of Applied Polymer Science vol. 19, No. 9.
C.Seefried, Jr. J.V. Koleske, F.E. Critchfield, Thermoplastic Urethane Elastomers. II. Effects of Variations in Hardsegment Concentration, Sep. 1975, Journal of Applied Polymer Science vol. 19, No. 9.
Nitta Ind Corp., Patent Abstracts of Japan, Dec. 19, 1991, JP 03 220224, vol. 015, No. 504 (C-0896).

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