Water absorbent pressure sensitive adhesive
US5387466A · kind A · utility
6Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1994 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | May 31, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2891
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-absorbent pressure sensitive adhesive composition is provided comprising (a) a continuous phase comprised of a copolymer of a hydrophobic monomer and a hydrophilic monomer, said monomers being present in said copolymer in a weight ratio of from about 50:50 to about 90:10, respectively; and (b) a non-particulate discontinuous phase comprised of domains of a hydrophilic homopolymer or copolymer dispersed throughout said continuous phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.