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钩叶藤材的增强-染色复合改性及其性能研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2016年02期
Page:
155-159
Column:
研究论文
publishdate:
2016-03-30

Article Info:/Info

Title:
Research of strengthening-dyeing modification of Plectocomia pierreana cane and its properties
Article ID:
1000-2006(2016)02-0155-05
Author(s):
ZHENG Yaxian LYU Wenhua* XU Maosong
Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China
Keywords:
Plectocomia pierreana cane strengthening-dyeing modifier impregnation treatment physical and mechanical properties modification mechanism
Classification number :
S781
DOI:
10.3969/j.issn.1000-2006.2016.02.026
Document Code:
A
Abstract:
To improve the strength and decoration performance of inferior Plectocomia pierreana cane, the strengthening-dyeing modifications were applied using vacuum pressure impregnation with the mixture of acid dye, reactive dye, basic dye and direct dye with melamine-urea-formaldehyde resin(MUF), respectively. The color and strength of the modified canes were than determined. Results showed that the acid dye compound with MUF resin had the optimum dyeing effect; the dye exerted little influence on the strengthening effect of resin modification. After modification, the increase of density, MOE and MOR of the cane lied in the range of 67.91%-73.02%, 56.01%-57.59% and 47.41%-49.69%, respectively. The increase of the compressive modulus and strength of the cane exceeded 50%. FTIR spectrum showed that the dye reacted with MUF resin, forming sulphonate, and then solidified inside the cane, instead of reaction with the cane composition directly. The modified cane exhibited higher density and strength, better decoration performance, and could be exploited for commercial utilization.

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Last Update: 2016-04-01