High temperature resistant, benzothiazole-containing polyaryl et

Details High temperature resistant, benzothiazole-containing polyaryl et High temperature resistant, benzothiazole-containing polyaryl et

1991-09-24

1993-07-13

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528128, 528167, 528171, 528172, 528174, 528377, 528378, 528379, 524592, 524609, 524610, C08G 7532, C08G 802

Patent

active

052274543

ABSTRACT:
Soluble and/or meltable benzothiazole-containing polyaryl ethers with a glass transition temperature of above 150.degree. C. and a melting point of up to 450.degree. C. are composed essentially of repeat units of the formula I ##STR1## whose rings may be substituted by C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, aryl or halogen and where R is ##STR2##

REFERENCES:
patent: 3761447 (1973-09-01), Blaise et al.
CA114(16):144554d.

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