Patent · US Expired

Aqueous dispersion and substrate coated with the same

US5302417A · kind A · utility

26Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 1993
Grant dateApr 12, 1994
Priority date
Expiry dateAug 9, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31909
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An aqueous dispersion comprising a dispersoid of an ethylene-vinyl alcohol copolymer having an ethylene content of 15 to 65 mole % and a dispersion stabilizer of a saponified product of an ethylene-vinyl ester copolymer having an ionic group and having an ethylene content of 10 to 70 mole % and a saponification degree of at least 80%. According to the present invention, aqueous dispersions with high solid concentration and having excellent stability during storage or upon use. The film obtained by applying and then drying the aqueous dispersion has excellent gas barrier properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.