Patent · US Expired

Aqueous dispersion and substrate coated with the same

US5272200A · kind A · utility

6Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 1992
Grant dateDec 21, 1993
Priority date
Expiry dateOct 14, 2012

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.