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6种保水剂吸水保水性能的比较(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年02期
Page:
101-104
Column:
研究论文
publishdate:
2007-02-20

Article Info:/Info

Title:
Comparative Analysis of Water Absorption and Retention to Six Super-absorbent-polymers
Article ID:
1000-2006(2007)02-0101-04
Author(s):
HUANG Lin YE Jian ren* SHENG Jiang mei WANG Yu
College of Forest Resources and Environment Nanjing Forestry Universily, Nanjing 210037, China
Keywords:
GN Water absorbability Electrolytical solution pH Water evaporation rate
Classification number :
S714
DOI:
10.3969/j.jssn.1000-2006.2007.02.023
Document Code:
A
Abstract:
Water absorbability of six super absorbent polymers was compared in NaC1, KC1, CaCl2 solution with concentration ascending from 0 to 0.5 mol/L The result concluded that following with the electrolyte concentration ascending, water absorbability had a decreasing trend. Water absorbability was measured and compared when the distilled water pH value changed from 2 to 12. It can be concluded that, when pH value between6 roB, super absorb ent-polymers can keep a more steady and better performance of absorbing water than pH value beyond the range of 4 to 10. Super absorbent-polymers can affect the soil water evaporation rate, the more super-absorbent-polymers are used, the lower evaporation rate is. In all these experiment, GN had a best performance among the group. Soil characters can affect super- absorbent polymers’ role of decreasing soil water evaporation rale in the experiment with GN. In loam soil, the role was more obviously.

References

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Last Update: 2013-05-20