研究竹材改性中阻燃剂和抗老化剂的最有效组合

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Wood Research Pub Date : 2024-04-25 DOI:10.37763/wr.1336-4561/69.1.143156

Chenyang Li, Yating Cai, Chunyan Li, XINJIE ZHOU, Yulin Liu, Lili Yu, HUI LI, MEILING CHEN

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引用次数: 0

摘要

为了促进竹材料的普遍应用，同时也为竹材料的性能研究提供参考，在水性聚氨酯（WPU）中加入了四种阻燃剂（硼酸（BA）、硼砂（BX）、聚磷酸铵（APP）、四水合八硼酸二钠（DOT））、两种紫外线吸收剂（UV-531、纳米二氧化钛）、在水性聚氨酯（WPU）中加入四种阻燃剂（硼酸（BA）、硼砂（BX）、聚磷酸铵（APP）、四水八硼酸二钠（DOT））和两种紫外线吸收剂（UV-531、纳米 TiO2），合成 5 种改性涂料，涂覆在竹材表面，制成试验材料。对涂层样品进行阻燃性分析，全面探讨了试验材料经处理后阻燃性能的变化。同时还进行了抗老化试验，研究涂层样品的色差和附着力变化。结果表明：WPU 固含量为 20%，改性剂的涂布量为 8g，BA/BX/APP/DOT/水的质量比为 75:75:7:42:600，UV-531 的添加量为 1%。

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STUDY ON THE MOST EFFECTIVE COMBINATION OF FLAME RETARDANT AND ANTI-AGING AGENT FOR BAMBOO MODIFICATION

In order to promote the universal application of bamboo materials as well as to provide reference for the study of the performance of bamboo, four kinds of flame retardants (boric acid (BA), borax (BX), ammonium polyphosphate (APP), disodium octaborate tetrahydrate (DOT)), two kinds of ultraviolet light absorbers (UV-531, nano TiO2) were added into waterborne polyurethane (WPU) to synthesize 5 kinds of modified coatings and coated on the surface of bamboo to make test materials. The flame-retardant analysis of the coated samples comprehensively explored the changes in flame retardancy of the test material after treatment. And the anti-aging test was carried out to investigate the color difference and adhesion change of the coating sample. The results show that the optimum flame retardant and anti-aging coating composition was obtained as 20% solid content of WPU, 8g coating amount of modifier, with the mass ratio of BA/BX/APP /DOT/water being 75:75:7:42:600, and the amount of UV-531 added being 1%.

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来源期刊

Wood Research 工程技术-材料科学：纸与木材

CiteScore

2.40

自引率

15.40%

发文量

审稿时长

5.4 months

期刊介绍： Wood Research publishes original papers aimed at recent advances in all branches of wood science (biology, chemistry, wood physics and mechanics, mechanical and chemical processing etc.). Submission of the manuscript implies that it has not been published before and it is not under consideration for publication elsewhere.