Unfortified liquid paper sizing composition and method of preparation
US4605445A · kind A · utility
2Cited by
13References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1985 |
| Grant date | Aug 12, 1986 |
| Priority date | — |
| Expiry date | Mar 8, 2005 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/62
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A tall oil rosin paper sizing composition comprising a homogeneous aqueous liquid which is fully miscible with water at 5.degree. C. On a solids basis, the composition contains between about 15% and about 75% by weight of an alkali metal soap of a condensation product of tall oil rosin and an aldehyde, and between about 85% and about 25% by weight urea. Also disclosed are methods for preparation and use of the novel paper sizing composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.