Polyesters showing a high crystallization rate and procedure for

Details Polyesters showing a high crystallization rate and procedure for Polyesters showing a high crystallization rate and procedure for

1992-03-12

1994-01-11

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528308, 5283083, 5283086, 525437, 525444, C08G 6316

Patent

active

052782816

ABSTRACT:
Polyesters with a high crystallization rate synthesized by the polycondensation of terephthalic acid with at least one C.sub.2 -C.sub.4 alkylenic glycol in the presence of 0.1-1.5 mol % of a copolymerizable reagent having the general formula:

REFERENCES:
CA 110 (22):193718m.
CA 108 (16):132569a.
CA 106 (2):5790z.
Patent Abstracts of Japan, vol. 5, No. 180(C-79)852.tau., Nov. 19, 1981, & JP-A-56-104933, Aug. 21, 1981, M. Yoshifumi, et al., "Preparation of Quick-Crystallizable Polyester".
Makromol. Chem., vol. 186, No. 8, Aug. 1985, pp. 1575-1591, A. Y. Bilibin, et al., "Thermotropic Polyesters, 2. Synthesis of Regular Polyesters from Aromatic Dicarboxylic Acids and Phenols or Aliphatic Diols, and Study of Their Mesomorphic Properties".
Mol. Cryst. Liq. Cryst., vol. 193, Nov./Dec. 1990, pp. 199-204, E. Hempel, et al., "From Conventional to Liquid Crystalline Polyesters".

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