Phosphoric acid-esterified fine cellulose fiber and method for producing the same
US11053324B2 · kind B2 · utility
1Cited by
5References
5Claims
0Family size
Assignee
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Key dates
| Filing date | May 16, 2014 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | May 16, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Objects of the present invention are to provide a phosphoric acid-esterified fine cellulose fiber of which slurry shows superior transparency, and to provide a method for producing a phosphorylated fine cellulose fiber showing superior transparency with good efficiency and high yield. According to the present invention, there is provided a phosphoric acid-esterified fine cellulose fiber, of which 0.2 mass % aqueous dispersion shows a solution haze of 15% or lower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.