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Study on UV Resistance of Polyphenylene Sulfide Modified TiO2 by Phenylsiloxane
- ACTA POLYMERICA SINICA Vol. 53, Issue 6, Pages: 673-682(2022)
- 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：
Zhen-huan Li, E-mail: lizhenhuan@tiangong.edu.cn
- 基金信息：
DOI：10.11777/j.issn1000-3304.2021.21368
CLC：Published：20 June 2022，
Published Online：02 March 2022，
Received：30 November 2021，
Accepted：07 January 2022
- 稿件说明：
移动端阅览
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
2
进行表面化学修饰，制备了抗紫外TiO
2
/PTES纳米粒子. 然后通过对TiO
2
/PTES纳米粒子的系统表征，发现PTES的载入显著地抑制了TiO
2
的光催化性能. 最后将抗紫外性能优异的TiO
2
/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
2
/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
2
/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
2
/phenyltriethoxysilane (PTES) nanoparticles were prepared from PTES and TiO
2
by sol-gel method
and a series of characterizations were employed to investigate TiO
2
/PTES nanoparticles. Furthermore
TiO
2
/PTES/PPS composite films with different nanoparticle doping amounts were prepared. The effects of TiO
2
/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
2
nanoparticles and that TiO
2
/PTES nanoparticle can effectively suppress the photocatalytic activity in comparison with TiO
2
. After 192 h of UV radiation
the physicochemical structure of TiO
2
/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
2
/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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