Ketene dimer sizing agent for paper making
US5145522A · kind A · utility
6Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Feb 4, 2011 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a ketene dimer sizing agent for paper making comprising a dispersed phase containing a ketene dimer and an aqueous continuous phase containing a dispersing agent, characterized by containing polymeric aluminum hydroxide and/or polymeric aluminum chloride. The ketene dimer sizing agent for paper making of the present invention can be preferably used in, for instance, a neutral paper making and the like since it is excellent in sizing effect and storage stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.