Polyester resin aqueous dispersion

Patent 4340519 Issued on July 20, 1982. Estimated Expiration Date:

December 18, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3546008

Water and glycol bonding dispersions for synthetic fibers
Patent #: 4022740
Issued on: 05/10/1977
Inventor: Morie , et al.

Water-dispersible ester resin containing a moiety of polyacid or bivalent alcohol containing a sulfo group Patent #: 4104262
Issued on: 08/01/1978
Inventor: Schade

Inventors

Assignee

Toyo Boseki Kabushiki Kaisha

Application

No. 06/217629 filed on 12/18/1980

US Classes:

523/414, Polymer contains more than one 1,2-epoxy group or one derived from reactant containing more than one 1,2-epoxy group is further derived from or reacted with organic nitrogen or sulfur428/458, Next to polyester, polyamide or polyimide (e.g., alkyd, glue, or nylon, etc.)428/480, Of polyester (e.g., alkyd, etc.)524/376, OH group, e.g., ether-alcohol solvent, etc.524/385, Only a single -C-OH group and at least six carbon atoms524/389, Two or more compounds containing -OH groups, or with water NRM524/539, Solid polymer or SICP derived from at least one carboxylic acid or derivative reactant525/444Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer thereof

Examiners

Primary: Pertilla, Theodore E.

Attorney, Agent or Firm

Jones, Tullar & Cooper

International Classes

C08L 67/00 (20060101)
C08L 67/02 (20060101)
C09D 167/02 (20060101)

Foreign Application Priority Data

1979-12-21 JP

Abstract

An aqueous dispersion of polyester resin which comprises(A) a crystalline polyester having a melting point of 70° to 200° C. and containing 0.5 to 10% by mole of an aromatic dicarboxylic acid having a metal sulfonate group as the polycarboxylic acid component,(B) a non-crystalline polyester having a softening point of 40° to 200° C. and containing 0.5 to 10% by mole of an aromatic dicarboxylic acid having a metal sulfonate group as the polycarboxylic acid component,(C) a water-soluble organic compound having a boiling point of 60° to 200° C., and(D) water, said components (A), (B), (C) and (D) being incorporated in the following weight ratio:The aqueous dispersion of this invention has excellent dispersibility in water and can give a coating layer having excellent water resistance and weatherability and hence is useful for preparation of various laminated products, coating compositions, aqueous printing ink, aqueous binder for coating and surface treating agent for giving drip-proof.