Process for the production of SiO.sub.2 containing polybenzamide

Details Process for the production of SiO.sub.2 containing polybenzamide Process for the production of SiO.sub.2 containing polybenzamide

1989-01-23

1991-04-09

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

524100, 524443, 524606, 528314, 528331, C08G 6904

Patent

active

050066366

ABSTRACT:
The invention relates to a process for the production of poly-(1,4-benzamide) in admixture with SiO.sub.2 by polycondensation of 4-aminobenzoic acid in the presence of SiCl.sub.4 in 1,3-dimethyltetrahydro-2(1H)-pyrimidinone in the presence of salts, such as lithium chloride or calcium chloride.

REFERENCES:
patent: 4696999 (1987-09-01), Spies et al.

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