Quaternary cationic surfactants and polymers for use as release and coating modifying agents in creping and tissue papers
US11427964B2 · kind B2 · utility
0Cited by
36References
19Claims
0Family size
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Key dates
| Filing date | Jun 7, 2019 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jun 22, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/56
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A composition is disclosed that may include an adhesive agent and a release aid. A Yankee dryer coating is also disclosed that may include a release aid. The release aid may include a cationic polymer salt that is a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are methods of treating and creping paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.