石膏刨花板的密度、木膏比和水膏比与其性能关系的初步研究

张奕

doi:10.19455/j.mcgy.1989.02.004

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石膏刨花板的密度、木膏比和水膏比与其性能关系的初步研究
Preliminary Studies on Relationship between Density, Wood-gypsum Ratio, Water-gypsum Ratio of Gypsumbonded Particleboard and Its Properties
1. 中国林科院木材工业研究所
1989年第2期页码：20-25
DOI： 10.19455/j.mcgy.1989.02.004

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[1]张奕.石膏刨花板的密度、木膏比和水膏比与其性能关系的初步研究[J].木材工业,1989(02):20-25.

Zhang Yi. Preliminary Studies on Relationship between Density, Wood-gypsum Ratio, Water-gypsum Ratio of Gypsumbonded Particleboard and Its Properties[J]. China Wood Industry, 1989,(2):20-25.
[1]张奕.石膏刨花板的密度、木膏比和水膏比与其性能关系的初步研究[J].木材工业,1989(02):20-25. DOI： 10.19455/j.mcgy.1989.02.004.

Zhang Yi. Preliminary Studies on Relationship between Density, Wood-gypsum Ratio, Water-gypsum Ratio of Gypsumbonded Particleboard and Its Properties[J]. China Wood Industry, 1989,(2):20-25. DOI： 10.19455/j.mcgy.1989.02.004.

摘要

本文通过一系列的工艺试验对石膏刨花板的密度、木膏比和水膏比与其性能的关系进行了初步的研究。结果表明:1.密度的增加会导致石膏刨花板强度的显著增加;2.提高木膏比会使静曲强度等随之上升,但对弹性模量和平面抗拉强度影响不大;3.水膏比在0.30—0.40范围内对板子性能无显著影响;4.三个因子间无交互作用。

Abstract

In this article, the relationship between density, wood-gypsum ratio, water-gypsum ratio and properties of gypsum-bonded particleboard was studied, The results obtained as follows: 1. the strength of gypsum-bonded particleboard becomes evidently higher with the increase of density; 2. raising wood-gypsum ratio results in increase of MOR etc., but has no influence on MOE and internal bonding strength; 3. water-gypsum ratio plays no role on properties of board in the range of 0.30-0.40; 4. the three factors mentioned above have no interaction.

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