Alkali-soluble hydrophilic polymer coatings
US5093396A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1990 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Jul 26, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D133/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An alkali-soluble coating formulation is disclosed. Such a coating formulation comprises a volatile, aqueous carrier; an alkali-soluble hydrophilic polymer, in the aqueous carrier; an alkali-soluble multivalent metal ion-containing bond-forming agent, also in the aqueous carrier; and an effective amount of a volatile alkali ingredient, in the aqueous carrier, for dissolving both the hydrophilic polymer as well as the multivalent metal ion-containing bond-forming agent. The relative amounts of hydrophilic polymer and multivalent metal ion-containing bond-forming agent, in the aqueous carrier, are effective for forming an alkali-soluble polymeric coating on a substrate, upon evaporation of the volatile, aqueous carrier therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.