Process for the preparation of aromatic polyamide in the presenc

Details Process for the preparation of aromatic polyamide in the presenc Process for the preparation of aromatic polyamide in the presenc

1984-12-18

1986-07-01

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528179, 528183, 528320, 528337, 528348, 524606, C08G 6928

Patent

active

045981434

ABSTRACT:
The present invention relates to a process for the preparation of aromatic polyamides mixed with SiO.sub.2, which is characterized in that terephthalic (isophthalic) acid is subjected to polycondensation with aromatic diamines in the presence of SiCl.sub.4 and tertiary aromatic nitrogen heterocyclic compounds, to the polyamides which are produced as a mixture with SiO.sub.2 and to a process for their isolation.

REFERENCES:
patent: 3180855 (1965-04-01), Black
patent: 3856742 (1974-12-01), Hoppe et al.
patent: 4431796 (1984-02-01), Choe et al.

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