Paper sizing composition
US5438087A · kind A · utility
21Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1993 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Jun 21, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a paper sizing composition comprising a rosin material and cationic acrylamide and/or methacrylamide polymers having hydrophobic groups wherein said rosin material is directly emulsified in water with said polymers. The sizing composition has an improved storage stability and exhibits an excellent sizing performance in the acidic through neutral pH range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.