Polyesteramides and process for producing the same

Details Polyesteramides and process for producing the same Polyesteramides and process for producing the same

1979-01-11

1980-12-02

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...

428423, 525419, 525444, 528288, C08G 6376, C08L 6702

Patent

active

042372518

ABSTRACT:
Polyesteramides produced by reacting in the first step an aromatic monoalkyl dicarboxylate with an aromatic diisocyanate in the presence or absence of one or more monoalkyl dicarboxylates and/or diisocyanates to produce an aromatic dialkyl diamidedicarboxylate of the formula: ##STR1## wherein R.sub.1 is alkyl; and R.sub.2 is a divalent aromatic residue, or a mixture of dialkyl diamidedicarboxylates containing the compound of the formula (II), and reacting in the second step the compound of the formula (II) or the mixture containing the compound of the formula (II) with one member selected from the group consisting of

REFERENCES:
patent: 3928290 (1975-12-01), Cohen et al.
patent: 4018736 (1977-04-01), Fabian et al.
patent: 4117032 (1978-09-01), Kwiecinski
patent: 4121266 (1978-10-01), Kovacs et al.
patent: 4165307 (1979-08-01), Mizuno et al.
patent: 4169825 (1979-10-01), Yapp et al.

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