Synthesis and Fluorescence Quenching Behaviors of Pyrene-labelled Polysiloxanes

Ya-qing Li; Ting Huang; Bi-qing Jin; Yi Shi; Zhi-tian Liu; Xi-gao Jin

doi:10.11777/j.issn1000-3304.2016.15317

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Synthesis and Fluorescence Quenching Behaviors of Pyrene-labelled Polysiloxanes

Research Article | 更新时间：2021-03-19

- Synthesis and Fluorescence Quenching Behaviors of Pyrene-labelled Polysiloxanes
- Acta Polymerica Sinica Issue 6, Pages: 750-759(2016)
- 作者机构：
  
  1.武汉工程大学材料科学与工程学院武汉 430073
  2.中国科学院化学研究所高分子物理与化学国家重点实验室北京 100190
- 作者简介：
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2016.15317
  CLC：
- Published：2016-6，
  
  Received：13 November 2015，
  
  Revised：8 December 2015，
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Ya-qing Li, Ting Huang, Bi-qing Jin, Yi Shi, Zhi-tian Liu, Xi-gao Jin. Synthesis and Fluorescence Quenching Behaviors of Pyrene-labelled Polysiloxanes. [J]. Acta Polymerica Sinica (6):750-759(2016)
DOI：

Ya-qing Li, Ting Huang, Bi-qing Jin, Yi Shi, Zhi-tian Liu, Xi-gao Jin. Synthesis and Fluorescence Quenching Behaviors of Pyrene-labelled Polysiloxanes. [J]. Acta Polymerica Sinica (6):750-759(2016) DOI： 10.11777/j.issn1000-3304.2016.15317.

摘要

合成了丙烯酸芘甲酯、二甲基乙烯基芘甲氧基硅烷、10-十一碳烯酸芘甲酯三种含芘单体

用硅氢加成方法制备了一系列含芘封端侧链的聚二甲基硅氧烷光-氧敏感高分子

并分别用四乙氧基硅烷和甲基含氢硅油A交联.对基于上述高分子的压力敏感涂料(PSP)的荧光氧猝灭和光物理行为进行了研究.结果表明

芘封端的侧基结构和交联剂对此类PSP的性能

包括激基缔合物荧光强度和氧猝灭灵敏度、Stern-Volmer关系的线性和贮存稳定性等都有明显的影响.含长碳链芘甲酯侧链的聚合物显示较高激基缔合物荧光强度和氧灵敏度;以甲基含氢硅油A作为交联剂

既能提高PSP的储存稳定性

又能提高氧猝灭灵敏度.

Abstract

A series of fluorescent polymers composed of polydimethylsiloxane (PDMS) with a pyrene-terminated side chain were synthesized and characterized.The oxygen quenching of the fluorescence emission and the photophysics behaviors of the pressure sensitive paints (PSP) based on these polymers were investigated.The results showed that the side chain structure of the polymer not only affected significantly the emission intensity

oxygen quenching sensitivity and Stern-Volmer linearity

but also the storage stability of the PSP.The polymers with a longer alkylpyrene side chain terminated by pyrene chromosphere showed higher excimer emission intensity and oxygen quenching sensitivity.Otherwise

the crosslinker for the polymer filming also has some influence on the PSP properties.When tetraethyl orthosilicate (TEOS) was added for the polymer crosslinking

the storage stability of the PSP decreased obviously.But

when polyhydromethylsiloxane (PHMS A) was used

the PSP showed higher oxygen quenching sensitivity and storage stability.All of the data indicated that the pyrene-terminated alkyl side chain structure of the polymers is favorable to the stable aggregation in the condensed state

at the same time

inhibits the aggregation of the pyrene chromospheres

the PSP should have high emission intensity

oxygen quenching sensitivity

Stern-Volmer linearity and storage stability.

关键词

压力敏感涂料聚二甲基硅氧烷芘封端侧链荧光氧猝灭

Keywords

Pressure sensitive paintPolydimethylsiloxanePyrene-terminated side chainOxygen quenching of luminescence

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Related Institution

College of Polymer Science and Engineering, Sichuan University

Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences

School of Mechanical Engineering, Jiangnan University

Beijing National Research Center for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics Education Ministry, Center for Soft Matter Science and Engineering of Peking University, Institute of Chemistry and Molecular Science, Peking University

School of Materials Science and Engineering, Zhengzhou University

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