Process for producing polyetheresteramides

Details Process for producing polyetheresteramides Process for producing polyetheresteramides

1985-04-18

1986-05-06

Phynes, Lucille M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525425, 528283, 528285, C08F28300, C08G 6376, C08G 6948, C08L 6700

Patent

active

045873097

ABSTRACT:
The high polymerization degree polyetheresteramides without any gelated materials and with superior color tones are obtained in a short time through the polycondensing interaction carried out between (A) one or more than two polyamide forming components selected from lactams and aminocarboxylic acids as well as the salts of substantially-equal quantities of diamines and dicarboxylic acid and (B) the polyetherester forming components consisting of the substantially-equal quantities of dicarboxylic acids and poly(alkylene oxide) glycols in the presence of 0.001 to 0.5 percent by weight of the mixtures composed of antimony oxides/organic tin compounds at the ratios of 80/20 to 30/70 by weight and more preferably in the co-presence of 0.0005 to 0.5 percent by weight of phosphoric compounds.

REFERENCES:
patent: 3796691 (1974-03-01), Chimura et al.
patent: 4207410 (1980-06-01), Burzin et al.

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