[1]曹旭东,艾文兵,母军*. 木丝增强脱硫石膏板制备及性能研究[J].西北林学院学报,2021,36(4):220-224.[doi:10.3969/j.issn.1001-7461.2021.04.32]
　CAO Xu-dong,AI Wen-bing,MU Jun*. Preparation and Performance of Wood Filaments Reinforced Desulfurized Gypsum Board[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(4):220-224.[doi:10.3969/j.issn.1001-7461.2021.04.32]
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 木丝增强脱硫石膏板制备及性能研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第4期
页码:
220-224
栏目:
出版日期:
2021-07-31

文章信息/Info

Title:
 Preparation and Performance of Wood Filaments Reinforced Desulfurized Gypsum Board
文章编号:
1001-7461(2021)04-0220-05
作者:
 曹旭东; 艾文兵; 母军*
 （北京林业大学 材料科学与技术学院，北京 100083）
Author(s):
 CAO Xu-dong; AI Wen-bing; MU Jun*
 (College of Materials Science and Technology,Beijing Forestry University,Beijing 100083,China)
关键词:
 ; 木丝; 脱硫建筑石膏; 石膏板; 性能
Keywords:
 ; wood filament;  desulfurization building gypsum;  gypsum board;  performance
分类号:
TQ177.3
DOI:
10.3969/j.issn.1001-7461.2021.04.32
文献标志码:
A
摘要:
 为开发一种轻质高强、保温隔热的绿色建筑墙体材料，以绿色可持续的木丝作为增强增韧材料，添加到工业副产废弃物脱硫建筑石膏中制备新型木丝增强脱硫石膏板材。探究木丝尺寸、木丝含量和不同处理方式对石膏复合材料性能的影响。结果表明，木丝的添加能减小石膏板的脆性，20%的木丝添加量对于板材的增强效果最好，增强木丝长度和宽度对材料的抗折强度、握螺钉力和导热系数均有影响显著，当添加量为20%，木丝长度(100±0.5)mm、宽度(0.9±0.05)mm的板材的抗折强度最高，木丝长度(100±0.5)mm、宽度(1.8±0.05)mm的板材的握螺钉力最高，较纯石膏板分别提高了67.12%和193.4%。木丝的添加使板材的导热系数满足建筑保温材料的要求。研究证明，木丝形态的优化选择有利于提高石膏板的增强效果，提高板材的物理力学性能。
Abstract:
 In order to develop a lightweight,high-strength,heat-insulating and green building wall material,green and sustainable wood wool was used as a reinforcing and toughening material,which was added to industrial by-product waste desulfurization building gypsum to prepare a new wood wool reinforced desulfurization gypsum board.The effects of wood wool size,wood wool content and different treatment methods on the performance of gypsum composite materials were explored.The experimental results showed that the addition of wood wool could reduce the brittleness of the gypsum board.The addition of 20% wood wool had the best effect on the reinforcement of the board.The length and width of the wood wool exhibited significant effects on the bending strength,screw holding force and thermal conductivity of the material.When the addition amount was 20%,the wood wire length and the width were (100±0.5)mm and (0.9±0.05)mm,respectively,the plate had the highest flexural strength; when the wood wire length and the width were (100±0.5)mm and (1.8±0.05)mm,the plate had the highest screw holding force with 67.12% and 193.4% increments compared with pure gypsum board.The addition of wood wool made the thermal conductivity of the board meet the requirements for the building insulation materials.The results proved that the optimization of wood wool morphology was conducive to improving the reinforcement effect of gypsum board and the mechanical properties of the board.

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备注/Memo

备注/Memo:
 收稿日期：2020-07-08修回日期：2020-07-28
基金项目：中央高校基本业务费（2015ZCQ-CL-01）；北京林业大学中央高校基本科研业务费专项资金项目(2017ZY28)。
作者简介：曹旭东。研究方向：木质材料制备及阻燃。E-mail:bjfu130554103@163.com
*通信作者：母军，博士生导师，教授。研究方向：木质生物质材料利用。E-mail:mujun@bjfu.edu.cn
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