Thermoplastic block copolyesters, a process for the preparation

Details Thermoplastic block copolyesters, a process for the preparation Thermoplastic block copolyesters, a process for the preparation

1981-12-14

1987-08-11

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525171, 525445, 528303, 528304, 528308, 5283087, C08G 8102

Patent

active

046862625

ABSTRACT:
Block copolyesters based on polyalkylene terephthalates which contain polydiene blocks show an extremely low deformation even when they are processed into thin articles. They still have a crystallinity which is decreased by less than the ratio corresponding to the polydiene portion.

REFERENCES:
patent: 3598882 (1971-08-01), Brinkmann
patent: 3853815 (1974-12-01), Lubowitz
patent: 3969306 (1976-07-01), Borman
patent: 4207230 (1980-06-01), Bier
Boor, J., Ziegler-Natta Catalysts and Polymerization, Academic Press, N.Y. p. 53, 1979.
Raff, R., Crystalline Olefin Polymers, Interscience Publishers, N.Y. p. 139, 1965.
Journal of Polymer Science, vol. XLIX, issue 152, pp. S9 to S11 (1961).

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