High-transparent and heat-resistant polyesterimide

Details High-transparent and heat-resistant polyesterimide High-transparent and heat-resistant polyesterimide

1993-01-11

1994-05-10

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528171, 528173, 528174, 528322, C08G 7310

Patent

active

053108566

ABSTRACT:
A heat-resistant and high-transparence polyesterimide composition is disclosed which is prepared from the reaction of: (a) an imidihydroxycarboxylic acid represented by the following formula: ##STR1## (b) at least one dicarboxylic, such as terephthalic acid or isophthalic acid, or mixture thereof, and (c) at least one dihydroxy compound represented by the following formula: ##STR2## Wherein Y can be --C(CH.sub.3).sub.2 --, --SO.sub.2 --, --CH(CH.sub.3)--, --(CH.sub.2).sub.m --, where m in an integer of 1 to 10, --O--, or --S--; X can be H, Cl, or Br; and n is an integer of 0 to 4. The polyesterimide resins disclosed in this invention also exhibit improved fabricability due to their improved solubility in organic solvents, and improved mechanical strength.

REFERENCES:
patent: 3426098 (1969-02-01), Meyer
patent: 3697471 (1972-10-01), Schmidt
patent: 4855390 (1989-08-01), Sasaki
patent: 4874836 (1989-10-01), Wakabayashi et al.

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