Method of making a high temperature capability water soluble pol

Details Method of making a high temperature capability water soluble pol Method of making a high temperature capability water soluble pol

1978-08-14

1980-09-02

Briggs, Sr., Wilbert J.

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

Synthetic resins

From carboxylic acid or derivative thereof

260 292UA, 260 292N, 260 292E, 525447, 525448, 528296, 528302, 528303, 528486, C08G 6320

Patent

active

042207525

ABSTRACT:
A high temperature capability, water soluble polyester resin solution is made by esterifying an admixture comprising: an organic, aliphatic dihydric alcohol, an organic, polycarboxylic acid containing major portions of aromatic tricarboxylic acid, an organic, aliphatic dicarboxylic acid, and tris (2 hydroxy alkyl) isocyanurate; and then adding an amount of organic solvent effective to provide a solution; wherein the esterification is continued until the acid value drops to between about 35 to about 45 and wherein the mole ratio of OH/COOH=1.1 to 2.0.

REFERENCES:
patent: 3780133 (1973-12-01), Kolyer et al.
patent: 3835121 (1974-09-01), Preston
patent: 3849382 (1974-11-01), Nakatsuji et al.
patent: 3936404 (1976-02-01), Ishizuka et al.
patent: 4117032 (1978-09-01), Kwiecinski

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