POSS改性萜烯基非异氰酸酯聚氨酯的制备及性能研究

doi:10.3969/j.issn.0253-2417.2017.03.004

林产化学与工业 ›› 2017, Vol. 37 ›› Issue (3): 31-37.doi: 10.3969/j.issn.0253-2417.2017.03.004

POSS改性萜烯基非异氰酸酯聚氨酯的制备及性能研究

刘贵锋, 吴国民, 孔振武

中国林业科学研究院林产化学工业研究所;生物质化学利用国家工程实验室;国家林业局林产化学工程重点开放性实验室;江苏省生物质能源与材料重点实验室, 江苏南京 210042

收稿日期:2016-10-17 出版日期:2017-06-25 发布日期:2017-07-03
通讯作者: 孔振武,研究员,博士生导师,主要从事生物质基聚合物材料的基础与应用技术研究;E-mail:kongzwlhs@163.com E-mail:kongzwlhs@163.com
作者简介:刘贵锋(1981-),男,山东莱芜人,副研究员,博士,主要从事天然资源化学利用研究
基金资助:
江苏省自然科学基金资助项目（BK20140077）

Synthesis and Properties of Terpene-based Nonisocyanate Polyurethanes Modified with POSS

LIU Guifeng, WU Guomin, KONG Zhenwu

Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab. for Biomass Chemical Utilization;Key and Open Lab. of Forest Chemical Engineering, SFA;Key Lab. of Biomass Energy and Materials, Jiangsu Province, Nanjing 210042, China

Received:2016-10-17 Online:2017-06-25 Published:2017-07-03

摘要/Abstract

摘要： 以来源于林业可再生资源的萜烯基环碳酸酯为原料，与己二胺、乙二胺、异氟尔酮二胺及三乙烯四胺等胺基化合物反应制备新型生物质基非异氰酸酯聚氨酯（NIPU），并采用环氧基多面体低聚倍半硅氧烷（POSS）共聚改性，制备萜烯基NIPU/POSS复合材料。采用FT-IR表征了NIPU及NIPU/POSS化学结构，考察了反应温度及POSS添加量对NIPU材料合成及性能的影响。研究结果表明：萜烯基环碳酸酯与胺基化合物反应温度≥100 ℃，可有效避免副反应；POSS改性的萜烯基NIPU涂膜具有优异的柔韧性（0.5 mm）、附着力（1级）及抗冲击性能（≥50 cm），且铅笔硬度（3H）、耐水性（24 h 吸水率11.73%）与改性前相比均得到显著提高。

关键词: 萜烯基环碳酸酯, 环氧基多面体低聚倍半硅氧烷, 非异氰酸酯聚氨酯, 制备, 性能

Abstract: A series of novel biomass-based nonisocyanate polyurethanes (NIPUs) were successfully prepared via the reactions of terpene-based cyclic carbonate originated from forestry renewable resources with diamines(hexanediamine, ethylenediamine, isophorane diamine, triethylenetetramine, and so on). Then the NIPUs were modified with epoxy-functionalized polyhedral oligomeric silsesquiaxane(POSS) to form NIPU/POSS coatings. The chemical structures of the NIPUs and NIPU/POSSs were characterized by FT-IR. The influences of reaction temperature and POSS dosage on the mechanical and thermal properties of the resulting coatings were investigated. The results showed that no side reaction was observed as the reaction temperature was 100℃ or over 100℃. The NIPU/POSS coatings exhibited excellent properties that were flexibility (0.5 mm), adhesion (grade:1) and impact strength (≥ 50 cm). Additionally, the introduction of POSS into the NIPU networks endowed the coating with improved the pencil hardness (3H), water resistance (24 h water uptake 11.73%) while compared with those of the parent NIPU.

Key words: terpene-based cyclic carbonate, POSS, nonisocyanate polyurethanes, preparation, property

中图分类号:

TQ35

刘贵锋, 吴国民, 孔振武. POSS改性萜烯基非异氰酸酯聚氨酯的制备及性能研究[J]. 林产化学与工业, 2017, 37(3): 31-37.

LIU Guifeng, WU Guomin, KONG Zhenwu. Synthesis and Properties of Terpene-based Nonisocyanate Polyurethanes Modified with POSS[J]. Chemistry and Industry of Forest Products, 2017, 37(3): 31-37.

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POSS改性萜烯基非异氰酸酯聚氨酯的制备及性能研究

Synthesis and Properties of Terpene-based Nonisocyanate Polyurethanes Modified with POSS

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