Pretreatment for application onto finished cotton fabric
US11066781B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2019 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Feb 19, 2039 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/30
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a process for printing on cotton fabric comprising (1) contacting cotton fabric with an aqueous solution comprising (A) 40% to 70% by weight of at least one multivalent cationic salt; (B) optionally 0.1% to 5% by weight of a blocked isocyanate crosslinking agent, and (C) 3% to 40% by weight of a waterborne resin, all percentages based on the weight of the aqueous solution; (2) drying the cotton fabric to remove the water from the cotton fabric; and (3) digitally printing the pretreated and coated cotton fabric with a water-based textile ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.