Studies  on  Bonding  Mechanism  of  Dry  process  Binderless  Fiberboard  Part  Ⅰ.Chemical  Changes  and  Effects  in  Binderless  Fiberboard  Manufacture

Yan  Haopeng  Cao  Zhongrong  Guo  Wenli

doi:10.19455/j.mcgy.1996.04.001

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Studies on Bonding Mechanism of Dry process Binderless Fiberboard Part Ⅰ.Chemical Changes and Effects in Binderless Fiberboard Manufacture
1. Research Institute of Wood Industry
Issue 4, (1996)
DOI： 10.19455/j.mcgy.1996.04.001

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[1]阎昊鹏,曹忠荣,郭文莉.干法无胶纤维板粘合机理的研究Ⅰ．制板过程中化学成分的变化及作用[J].木材工业,1996(04):2-5+10.

Yan Haopeng Cao Zhongrong Guo Wenli. Studies on Bonding Mechanism of Dry process Binderless Fiberboard Part Ⅰ.Chemical Changes and Effects in Binderless Fiberboard Manufacture. [J]. China Wood Industry (4).(1996)
[1]阎昊鹏,曹忠荣,郭文莉.干法无胶纤维板粘合机理的研究Ⅰ．制板过程中化学成分的变化及作用[J].木材工业,1996(04):2-5+10. DOI： 10.19455/j.mcgy.1996.04.001.

Yan Haopeng Cao Zhongrong Guo Wenli. Studies on Bonding Mechanism of Dry process Binderless Fiberboard Part Ⅰ.Chemical Changes and Effects in Binderless Fiberboard Manufacture. [J]. China Wood Industry (4).(1996) DOI： 10.19455/j.mcgy.1996.04.001.

摘要

通过干法无胶纤维板制造过程中对木材化学成分的转化和含量变化的研究，探讨了干法无胶纤维板的粘合机理。结果表明：①在热磨和热压过程中纤维素、半纤维素均部分发生水解，其水解单糖和游离单糖均能发生化学变化，生成糠醛类化合物；②在热磨和热压过程中木素的降解有利于纤维的粘合反应，并可以与糠醛类化合物生成树脂聚合物

Abstract

The paper studied the reaction mechanism of self bonding in dry process binderless fiberboard manufacture by investigating the chemical composition and conversion of wood.The results showed that:1 both cellulose and hemicellulose were partly hydrolyzed into monosaccharide and oligosaccharide during defiberizing and hot pressing process,and the resulted substances could be converted into furnan products.2 the degraded lignin by thermal conversion could bond with furnan products to form resins.

关键词

干法无胶纤维板糠醛类化合物

Keywords

Dry process binderless fiberboardFurnan products

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