Water resistant composition and heat-sensitive recording sheet containing the same
US4708947A · kind A · utility
14Cited by
4References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1986 |
| Grant date | Nov 24, 1987 |
| Priority date | — |
| Expiry date | Jan 2, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L29/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a water resistant composition which comprises (A) polyvinyl alcohol, (B) a chitosan of which aqueous 1% solution has a viscosity not greater than 70 centipoise at 20.degree. C. and (C) an aldehyde compound, as well as a heat-sensitive recording sheet which comprises said composition. The composition has excellent water resistant properties and the heat-sensitive recording sheet has improved color forming properties and excellent resistance to water and solvents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.