Dynamic Wettability of Different Adhesives on Wheat Straw Surface Modified by Cold Oxygen Plasma Treatment

被引：0

作者：

Yang, Xuehui ^{[1
]}

Zhang, Rong ^{[1
]}

Tang, Lijuan ^{[1
]}

Chen, Minzhi ^{[1
]}

Li, Yang ^{[1
]}

Zhou, Xiaoyan ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Mat Sci & Engn, Nanjing 210037, Jiangsu, Peoples R China

来源：

BIORESOURCES | 2014年 / 9卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Wettability; Contact angle; Cold oxygen plasma treatment; Wheat straw; Shear strength; STEAM TREATMENT; WOOD; PRETREATMENT; FIBERS; VENEER;

D O I：

10.15376/biores.9.1.1578-1587

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

The effects of cold oxygen plasma treatment on the exterior and interior surfaces and wettability of wheat straw were investigated. The wheat straw was treated with oxygen plasma for 150 s, and the radio-frequency power was set at 100 W. The surface wettability was evaluated by measuring the contact angles and the K values of urea-formaldehyde, phenol-formaldehyde, and methylene diphenyl diisocyanate resins. Specimens with different gluing surfaces were bonded together with urea-formaldehyde and phenol-formaldehyde and then hot-pressed to assess bonding strength. Results indicate that the dynamic wettability and the shear strength of wheat straw were remarkably improved after it was exposed to the cold oxygen plasma. Additionally, the adhesive type and the wheat straw surface characteristics had significant effects on the dynamic wettability and bonding strength of both untreated and plasma-treated wheat straw.

引用

页码：1578 / 1587

页数：10

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