Solvent spun bamboo fiber with high wet modulus and producing method thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 6, 2015
Issued Date -
N/A
app pub date -
Sep 7, 2010
filing date -
Sep 30, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A solvent spun bamboo fiber with a high wet modulus and a producing method thereof are disclosed. The producing method includes: activating by adding a bamboo pulp into de-ionized water, adjusting the pH value, adding cellulase and adjusting the pH value by adding alkali; squeezing by vacuum dehydration; pre-dissolving by adding an aqueous solution containing 50-88% by mass of N-methylmorpholine-N-oxide; then dissolving by putting the above pre-dissolved mixture into a dissolver, heating, vacuumizing, dehydrating, dissolving, homogenizing and defoaming; spinning by spraying through a spinneret and forming a bamboo fiber by dry-wet spinning; water washing; bleaching; oiling; and drying. The present method is simple to operate, free of industrial pollution, low energy consuming, and highly safe. The bamboo fiber produced by the present method not only keeps the natural physical and chemical properties of bamboo fiber, but also has a high wet modulus without harmful chemical residues.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2010 Application Filing Year
- D01D Class
- 127 Applications Filed
- 104 Patents Issued To-Date
- 81.89 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- D01D Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 6, 2026 |
