苯基硅氧烷改性TiO<sub>2</sub>在聚苯硫醚抗紫外中的性能研究

尤大智; 白雅丽; 李振环

doi:10.11777/j.issn1000-3304.2021.21368

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苯基硅氧烷改性TiO₂在聚苯硫醚抗紫外中的性能研究

研究论文 | 更新时间：2024-10-08

- 苯基硅氧烷改性TiO₂在聚苯硫醚抗紫外中的性能研究
- Study on UV Resistance of Polyphenylene Sulfide Modified TiO₂ by Phenylsiloxane
- 高分子学报 2022年53卷第6期页码：673-682
- 作者机构：
  
  1.天津工业大学，经济管理学院，天津 300382
  2.天津工业大学，省部共建分离膜与膜过程国家重点实验室，天津 300382
  3.(天津工业大学，材料科学与工程学院天津 300387) (，天津 300382)
  4.天津工业大学，天津理工大学新能源材料与低碳技术研究院，天津 300382
- 作者简介：
  
  E-mail: lizhenhuan@tiangong.edu.cn
- 基金信息：
  
  国家自然科学基金面上基金(基金号 21878231);天津市自然科学基金重点项目(基金号 19JCZDJC37300);山东省自然科学基金重点项目(基金号 ZR2020KE053)
- DOI：10.11777/j.issn1000-3304.2021.21368
  中图分类号：
- 纸质出版日期：2022-06-20，
  
  网络出版日期：2022-03-02，
  
  收稿日期：2021-11-30，
  
  录用日期：2022-01-07
- 稿件说明：
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尤大智,白雅丽,李振环.苯基硅氧烷改性TiO₂在聚苯硫醚抗紫外中的性能研究[J].高分子学报,2022,53(06):673-682.

You Da-zhi,Bai Yali,Li Zhen-huan.Study on UV Resistance of Polyphenylene Sulfide Modified TiO₂ by Phenylsiloxane[J].ACTA POLYMERICA SINICA,2022,53(06):673-682.
尤大智,白雅丽,李振环.苯基硅氧烷改性TiO₂在聚苯硫醚抗紫外中的性能研究[J].高分子学报,2022,53(06):673-682. DOI： 10.11777/j.issn1000-3304.2021.21368.

You Da-zhi,Bai Yali,Li Zhen-huan.Study on UV Resistance of Polyphenylene Sulfide Modified TiO₂ by Phenylsiloxane[J].ACTA POLYMERICA SINICA,2022,53(06):673-682. DOI： 10.11777/j.issn1000-3304.2021.21368.

摘要

首先以苯基三乙氧基硅烷(PTES)为改性剂，采用凝胶-溶胶法对金红石型TiO

进行表面化学修饰，制备了抗紫外TiO

/PTES纳米粒子. 然后通过对TiO

/PTES纳米粒子的系统表征，发现PTES的载入显著地抑制了TiO

的光催化性能. 最后将抗紫外性能优异的TiO

/PTES-2纳米粒子以不同比例加入PPS中，制备了PPS复合薄膜，探讨了纳米粒子的添加对PPS抗紫外老化性能的影响. 结果表明，当TiO

/PTES-2纳米粒子的添加量为2.0 wt%时，PPS抗紫外性能达到最佳，即TiO

/PTES-2/PPS复合薄膜紫外辐射192 h后的断裂强度保留率和断裂伸长保留率分别为93.75%和94.00%.

Abstract

Polyphenylene sulflde (PPS) possesses the excellent heat resistance

flame resistance

chemical resistance and good mechanical properties. However

the poor UV-resistance properties of PPS are an important obstacle for PPS usage in some high-end areas. In this study

TiO

/phenyltriethoxysilane (PTES) nanoparticles were prepared from PTES and TiO

by sol-gel method

and a series of characterizations were employed to investigate TiO

/PTES nanoparticles. Furthermore

TiO

/PTES/PPS composite films with different nanoparticle doping amounts were prepared. The effects of TiO

/PTES nanoparticles on PPS UV resistance were investigated

and it was found that the loading of PTES realized benzene functionalization on the surface of TiO

nanoparticles and that TiO

/PTES nanoparticle can effectively suppress the photocatalytic activity in comparison with TiO

. After 192 h of UV radiation

the physicochemical structure of TiO

/PTES/PPS composite film did not change

and even the color of composite film did not significantly deepen or turn yellow. When 2.0 wt% of TiO

/PTES nanoparticles were introduced into PPS matrix

the optimal ultraviolet resistant properties of composite films were achieved

and the stress strength retention rate and breaking elongation retention rate after UV irradiation 192 h were 93.75% and 94.00%

respectively. Herein

our UV-resistance method can pave the way toward the application of PPS in the field of extreme environm

ent.

关键词

聚苯硫醚苯基硅氧烷二氧化钛抗紫外光催化

Keywords

Polyphenylene sulfldePhenylsiloxaneTiO2Ultraviolet resistancePhotocatalytic activity

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苯基硅氧烷改性TiO2在聚苯硫醚抗紫外中的性能研究

Study on UV Resistance of Polyphenylene Sulfide Modified TiO2 by Phenylsiloxane

DOI：10.11777/j.issn1000-3304.2021.21368

摘要

Abstract

关键词

Keywords

references

苯基硅氧烷改性TiO₂在聚苯硫醚抗紫外中的性能研究

Study on UV Resistance of Polyphenylene Sulfide Modified TiO₂ by Phenylsiloxane