Method of treating paper making rolls
US6723207B2 · kind B2 · utility
8Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Aug 5, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S162/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of reducing the surface tension on papermaking rolls comprises applying to the papermaking roll an effective amount of a blend of catonic water soluble polymer, nonionic surfactant and anionic surfactant. The composition has an overall positive charge. Preferably the cationic polymer is a quatemary ammonium compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.