Textile inks
US11851814B2 · kind B2 · utility
0Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2022 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Jul 26, 2042 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/6033
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a method for providing a printed article, comprising printing an aqueous ink composition onto a fibrous substrate and curing the ink, wherein the ink composition comprises a polyurethane dispersion having the properties of (a) ketone or aldehyde groups present at one or more polymer chain ends; (b) a number average molecular weight ≤50,000 and; (c) the content of ketone and aldehyde groups is in the range 0.02 to 4.0 mmol g-1, based on the dry polymer weight. The present invention also provides use of said ink composition for printing onto a fibrous substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.