Method for the preparation of polyether ester amides

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525420, 525519, 525926, 525927, 528488, 528492, 528494, C08L 7702, C08L 7712

Patent

active

043450520

ABSTRACT:
Method for manufacturing polyether ester amides by polycondensing at ordinary or reduced pressure, optionally in the presence of catalysts. A hot melt of:

REFERENCES:
patent: 3660356 (1972-05-01), Radlmann et al.
patent: 3839245 (1974-10-01), Schlossman et al.
patent: 4238582 (1980-12-01), Deleens et al.
patent: 4252920 (1981-02-01), Deleens et al.

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