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第 35 卷第 9 期 精 细 化 工 Vol.35, No.9
201 8 年 9 月 FINE CHEMICALS Sept. 2018
功能材料
聚醚硅氧烷/聚半硅氧烷双重改性
蓖麻油基水性聚氨酯
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葛硕硕 ,张萍波 ,蒋平平 ,唐敏艳 ,俞晓琴 ,包燕敏 ,高学文
〔1. 江南大学 化学与材料工程学院,江苏 无锡 214122;2. 昆山嘉利普制版胶粘剂油墨有限公司,江
苏 昆山 215300;3. 嘉合实业(苏州)有限公司,江苏 苏州 215021〕
摘要:以蓖麻油与端羟基聚醚改性聚二甲氧基硅氧烷(PEPSO)互混作为多元醇原料,制备出植物油基水性聚
氨酯,将不同用量的四羟基八苯基双层笼型倍半硅氧烷(DDSQ-4OH)引入到其中,制备出系列 PEPSO/
DDSQ-4OH 复合改性聚氨酯纳米复合材料(WPU-15、WPU-15-2、WPU-15-4、WPU-15-6、WPU-15-8)。利用
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FTIR、 HNMR、TGA、SEM、TEM 和粒径分析仪对 DDSQ-4OH 及 PEPSO/DDSQ-4OH 进行了结构表征与性能
测试,并探讨了 DDSQ-4OH 对聚氨酯材料热稳定性、表面疏水性及力学性能的影响。TGA 结果表明,与不含
DDSQ-4OH 的聚氨酯材料相比,当 DDSQ-4OH6 用量为 8%(以扩链剂乙二胺物质的量为基准,下同)时,复
合材料的初始降解温度(T 5% )提高了 22.5 ℃;静态接触角、扫描电镜测试结果表明,随 DDSQ-4OH 用量的增
加,粒子间出现团聚现象,但仍能均匀分散于水性聚氨酯基体中,材料表面的疏水性增大,样品 WPU-15-6 的
静态接触角达到 90.4;拉伸测试结果表明,DDSQ-4OH 的引入能在一定程度上提高材料的拉伸强度,由 WPU-15
的 9.7 MPa 增至 WPU-15-6 的 16.0 MPa。
关键词:聚醚硅氧烷二元醇;四羟基八苯基双层笼型倍半硅氧烷;植物油基水性聚氨酯;复合材料;功能材料
中图分类号:TQ323.8 文献标识码:A 文章编号:1003-5214 (2018) 09-1504-08
Castor Oil Based Waterborne Polyurethane Doubly Modified
Polyether Modified by Polysiloxane and Double-decker
Octaphenylsilsesquioxanetetraol
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GE Shuo-shuo , ZHANG Ping-bo , JIANG Ping-ping , TANG Min-yan ,
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YU Xiao-qin , BAO Yan-min , GAO Xue-wen
(1. School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China; 2. Kunshan Jialipu
Making-plate Adhesive Ink Co., Ltd., Kunshan 215300, Jiangsu, China; 3. Jiahe Industrial (Suzhou) Co., Ltd., Suzhou 215021,
Jiangsu, China)
Abstract: Plant oil-based waterborne polyurethanes were synthesized from castor oil and hydroxyl-
terminated polyether modified polysiloxane (PEPSO). During the synthesis of prepolymer, different amount
of double-decker octaphenylsilsesquioxanetetraol (DDSQ-4OH) was introduced into the waterborne
polyurethane main chains, which led to a series of PEPSO/DDSQ-4OH modified waterborne polyurethane
nanocomposites with different amount of DDSQ-4OH (WPU-15, WPU-15-2, WPU-15-4, WPU-15-6 and
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WPU-15-8). FTIR, HNMR, TGA, SEM, TEM and particle size analyzer were used to characterize these
materials. The influence of nano-particle DDSQ-4OH on the thermal stability, hydrophobicity and
mechanical properties of polyurethane materials was discussed. TGA results showed that the initial
decomposition temperature (T 5%) of the composite containing 8% (based on mole of the chain extender
ethylenediamine, as the below) DDSQ-4OH increased by 22.5 ℃ compared with WPU which didn't
contain DDSQ-4OH. Static contact angle test and SEM results revealed that when the DDSQ-4OH amount
increased, the hydrophobicity of the obtained polyurethanes was improved, and the static contact angle of
收稿日期:2017-08-05; 定用日期:2018-05-29; DOI: 10.13550/j.jxhg.20170635
基金项目:江苏省产学研联合创新资金项目(BY2014023-08)
作者简介:葛硕硕(1993—),男,硕士生。联系人:张萍波(1981—),副教授,硕士生导师,E-mail:pingbozhang@126.com。