Polyvinyl alcohol molding resin composition
US5498656A · kind A · utility
1Cited by
1References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 31, 1995 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Mar 31, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/521
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Proposed is a polyvinyl alcohol molding resin composition exhibiting excellent workability in the molding procedure by extrusion and injection and capable of giving molded articles, e.g., films and sheets, having excellent properties in respect of good appearance and excellent resistance against coloration by heating. The molding resin composition comprises a polyvinyl alcohol and a limited amount of an additive ingredient which is an alkali or alkaline earth metal salt of organic sulfonic acid, e.g., sodium and calcium dodecylbenzene sulfonates, a polyoxyethylene ester of phosphoric acid or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.