麦秸表面的润湿性研究

张洋; 华毓坤

doi:10.19455/j.mcgy.2001.02.002

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麦秸表面的润湿性研究
A Study of Moist Character of Wheat Straw
1. 南京林业大学,南京,210037
2001年第2期页码：6-8
DOI： 10.19455/j.mcgy.2001.02.002

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[1]张洋,华毓坤.麦秸表面的润湿性研究[J].木材工业,2001(02):6-8.

ZHANG Yang, HUA Yu kun. A Study of Moist Character of Wheat Straw[J]. China Wood Industry, 2001,(2):6-8.
[1]张洋,华毓坤.麦秸表面的润湿性研究[J].木材工业,2001(02):6-8. DOI： 10.19455/j.mcgy.2001.02.002.

ZHANG Yang, HUA Yu kun. A Study of Moist Character of Wheat Straw[J]. China Wood Industry, 2001,(2):6-8. DOI： 10.19455/j.mcgy.2001.02.002.

摘要

本研究测定了异氰酸酯和脲醛树脂胶粘剂对麦秸不同部位表面的接触角 ,并通过测量不同表面张力的液体对麦秸的接触角 ,推算出麦秸表面的自由能。结果表明 :麦秸表面的自由能较低 ;麦秸的纵向和横向均存在润湿性能的差异。

Abstract

In this study, the surface contact angle among methane diisocyanate （MDI）、urea formaldehyde resin（UF） and different parts of wheat straw were tested,and the surface free energy of wheat straw was reckoned by testing the contact angle between liquid with different surface tensile and wheat straw. The result showed that the surface free energy of wheat straw was low and there was difference in the longitudinal and cross directions of the wheat straw.