Low melting, soluble, liquid crystalline polyesters

Details Low melting, soluble, liquid crystalline polyesters Low melting, soluble, liquid crystalline polyesters

1991-05-13

1992-07-21

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

564153, 564158, 514616, 25229901, 522164, 522174, 526284, 528219, C08G 6302, C08G 63133, C08G 6342, C08G 6366

Patent

active

051323907

ABSTRACT:
The present invention is directed to liquid cyrstalline polyesters which are soluble and have low melting points. Preferably the solubility in halogenated solvent is greater than 10 wt. % and the crystalline melting point is less than 125.degree. C. The polyesters are thermotropic and nematic, and preferably have a number average molecular weight from 1,000 to 25,000. The polyesters include a cyclohexane ring in the backbone and are more particularly main-chain thermotropic polyester which contain trans-1,4 cyclohexane dicarboxylate mesogens and flexible spacer groups. These compositions are useful in coating applications including floor coverings.

REFERENCES:
patent: 5030703 (1991-07-01), Pielartzik et al.
patent: 5066767 (1991-11-01), Motzner et al.

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