Pressure-sensitive adhesives based on emulsion polymers
US5492950A · kind A · utility
16Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1993 |
| Grant date | Feb 20, 1996 |
| Priority date | — |
| Expiry date | Mar 23, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2301/302
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is provided a mixture of acrylic emulsion polymers based on 70 to 95 parts by weight of a first polymer containing from about 95 to 97.5% by weight of an alkyl ester of acrylic acid and from about 2.5 to 5% by weight of a mixture of carboxylic acids tackified by a second acrylic emulsion polymer containing 10 to 20% by weight of carboxylic acid or hydroxyethyl methacrylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.