Abstract
Effects of ultrasonic processing conditions on water retention value of bleaching coniferous wood pulp fibers, absorbent cotton pulp fiber and straw pulp fiber were discussed. Results showed that ultrasonic power and processing time have an significant impact on water retention value of three kinds of pulp, the effort of ultrasonic treatment temperature on water retention value of three kinds of pulp is less. The water retention value of bleaching coniferous wood pulp fibers, absorbent cotton pulp fiber and straw pulp fiber, respectively, reach the maximum at power of 300W, 500W, 400W, and processing time of 60min, 120min, 60min.
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