Heat-resistant, rigid polymers from difunctional 9,10-dihydro-9,

Details Heat-resistant, rigid polymers from difunctional 9,10-dihydro-9, Heat-resistant, rigid polymers from difunctional 9,10-dihydro-9,

1979-07-12

1981-07-28

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525420, 528 74, 528183, 528201, 528211, 528229, 528298, 528336, 528338, 528340, 528347, 528348, C08G 6926

Patent

active

042811066

ABSTRACT:
High molecular weight processible polymers derived from 2,6- and 2,7-diacids, diols and diamines of 9,10-dihydro-9,10-ethanoanthracenes and various complementary comonomers are prepared. These are converted into rigid, thermally-stable anthraceno polyesters and polyamides by thermal removal of the 9,10-ethano bridge.

REFERENCES:
patent: 3301827 (1967-01-01), Martin
patent: 3642709 (1972-02-01), Agolini
patent: 3668189 (1972-06-01), Goetz

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