Anisotropic melts which can be shaped, based on aromatic polyest

Details Anisotropic melts which can be shaped, based on aromatic polyest Anisotropic melts which can be shaped, based on aromatic polyest

1980-09-11

1982-08-24

Cockeram, H. S.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

26433111, 528191, 528193, 528194, C08G 6318, C08G 6340

Patent

active

043462081

ABSTRACT:
Anisotropic melts are disclosed which can be shaped, based on aromatic polyesters containing linkages of the arylaliphatic ether type.
These melts consist of homopolyesters having units of the formulae: ##STR1## in which n equals 4 or 6 and X=H, Cl or CH.sub.3, with the proviso that when n equals 4, X only represents Cl or CH.sub.3, the flow points of these polymers being between 200.degree. and 340.degree. C. These anisotropic melts make it possible to obtain filaments, films and molded articles possessing good mechanical properties.

REFERENCES:
patent: 3873504 (1975-03-01), Boettcher et al.
patent: 3991013 (1976-11-01), Pletcher
patent: 3991014 (1976-11-01), Kleinschuster
patent: 4065432 (1977-12-01), Frazer
patent: 4156070 (1979-05-01), Jackson et al.

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