Composition for absorbent film and method of preparation
US4467012A · kind A · utility
117Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1983 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Jun 13, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/693
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent composition comprising the reaction product at elevated temperature and pressure of hydrolyzed starch polyacrylonitrile graft copolymer and a polyhydric alcohol such as glycerol in the amount of between about 3% and 20%. The resulting composition exhibits good fluid absorbency and fast wicking properties and is particularly useful in producing absorbent laminated film for use in diapers, paper towels and the like. The present invention also relates to an improved absorbent laminated film prepared with the above absorbent composition and a method for preparing such absorbent laminated film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.