Elastomeric polyetheresterimides

Details Elastomeric polyetheresterimides Elastomeric polyetheresterimides

1981-10-02

1983-02-01

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

525438, 528292, 528296, 528301, C08G 6944, C08G 7316

Patent

active

043716920

ABSTRACT:
Thermoplastic elastomeric polyetheresterimidescomprising a multiplicity of long chain esterimide units being represented by the formula ##STR1## and short chain esterimide units being represented by the formula ##STR2## where G is a divalent radical remaining after the removal of terminal hydroxyl groups from a poly(alkylene oxide) glycol having a number average molecular weight of about 400-4000; D is a divalent radical remaining after the removal of hydroxyl groups from a diol having a molecular weight less than about 300 and Q is a divalent radical remaining after removal of amino groups from an aliphatic primary diamine having a molecular weight less than 350; with the provisos that from about 0.5 to 5 of said short chain esterimide units are present for each of said long chain esterimide units and that said polyetheresterimide has a softening point of at least 160.degree. C.

REFERENCES:
patent: 3274159 (1966-09-01), Kluiber
patent: 3458480 (1969-07-01), Schmidt et al.
patent: 3784520 (1974-01-01), Hoeschele
patent: 3852246 (1974-12-01), Schmidt et al.
patent: 4205158 (1980-05-01), Hoeschele
patent: 4321341 (1982-03-01), Neuberg et al.

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