PMTMS/TiO2复合材料的制备及其性能表征

doi:10.3969/j.issn.2097-2806.2024.10.010

摘要/Abstract

摘要：

为了减轻二氧化钛（TiO₂）在有机体系中的聚集行为，同时提升复合载体的合成效率，采用甲基三甲氧基硅烷（MTMS）对TiO₂进行包覆。通过FTIR、TGA、SEM、EDS、DLS、接触角测试、亲油化度测试的表征方法，对包覆后的PMTMS/TiO₂复合材料表面形貌与性质进行讨论，最后对PMTMS/TiO₂复合材料的包覆机理进行总结阐述。结果表明，硅钛（MTMS/TiO₂）质量比为3∶1，催化剂质量分数为1.9%，反应时间为5 h的条件下，PMTMS/TiO₂复合材料的聚集行为大大减轻，具有良好的疏水性能，且TiO₂粒子在有机溶剂中的分散性与相容性得到显著提高。

关键词: 二氧化钛, 聚硅氧烷, 包覆

Abstract:

To mitigate the aggregation behavior of TiO₂ in organic system and also to enhance the synthesis efficiency of the composite carrier, methyltrimethoxysilane （MTMS） was used to coat TiO₂. The surface morphology and properties of the coated PMTMS/TiO₂composites were characterized by the methods of FTIR, TGA, SEM, EDS, DLS, contact angle test, and lipophilicity test. The coating mechanism for PMTMS/TiO₂ composites was summarized and elaborated. The results showed that the aggregation of PMTMS/TiO₂ composites was greatly reduced when the synthesis condition was as follows: The mass ratio of MTMS to TiO₂ was 3∶1, the mass fraction of catalyst was 1.9% and the reaction time was 5 h. The PMTMS/TiO₂ composites thus prepared had good hydrophobicity. Therefore, by this way, the dispersion and compatibility of TiO₂ particles in organic solvents were significantly improved.

Key words: titanium dioxide, polysiloxane, coating

中图分类号:

TQ658

张婉萍, 关馨, 郑时莲, 张冬梅, 张子嘉, 张倩洁. PMTMS/TiO₂复合材料的制备及其性能表征[J]. 日用化学工业（中英文）, 2024, 54(10): 1227-1234.

Wanping Zhang, Xin Guan, Shilian Zheng, Dongmei Zhang, Zijia Zhang, Qianjie Zhang. Preparation of PMTMS/TiO₂ composite material and its performance characterization[J]. China Surfactant Detergent & Cosmetics, 2024, 54(10): 1227-1234.

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PMTMS/TiO₂复合材料的制备及其性能表征

Preparation of PMTMS/TiO₂ composite material and its performance characterization

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