Sulfonated water-soluble or water-dispersible polyester resin co

Details Sulfonated water-soluble or water-dispersible polyester resin co Sulfonated water-soluble or water-dispersible polyester resin co

1991-12-18

1994-01-25

Kight, III, John

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

Synthetic resins

Process of treating scrap or waste product containing solid...

521 405, 521 48, 524603, 524605, 525437, C08S 1104

Patent

active

052816303

ABSTRACT:
A sulfonated water-soluble or water-dispersible polyester resin composition comprises a prepolymer resin, which prepolymer resin is further reacted with about 0.10 mol to about 0.50 mol of an alpha, beta-ethylenically unsaturated dicarboxylic acid per 100 g of prepolymer resin and a thus-produced resin, terminated by a residue of an alpha,beta-ethylenically unsaturated dicarboxylic acid, is reacted with about 0.5 mol to about 1.5 mol of a sulfite per mol of alpha,beta-ethylenically unsaturated dicarboxylic acid residue to produce a sulfonate-terminated resin. The prepolymer resin is (a) a reaction product of 20-50% by weight of terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol, preferably also comprising 20-50% by weight of isophthalic acid or (b) a reaction product of 20-50% by weight of terephthalate polymer, 10-50% by weight of at least one glycol and 20-50% by weight of isophthalic acid.

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