Studies on the Epoxy Resins Modified by Epoxy-terminated Fluorinated Block Polymer

Yan-juan Guo; Wei-qu Liu; Zheng-fang Wang; Jian-quan Tan

doi:10.11777/j.issn1000-3304.2016.15335

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Studies on the Epoxy Resins Modified by Epoxy-terminated Fluorinated Block Polymer

Research Article | 更新时间：2021-03-19

- Studies on the Epoxy Resins Modified by Epoxy-terminated Fluorinated Block Polymer
- Acta Polymerica Sinica Issue 7, Pages: 919-924(2016)
- 作者机构：
  
  1. 中国科学院广州化学研究所,广州,510650
  2. 中国科学院大学,北京,100049
  3. 中国科学院纤维素化学重点实验室,广州,510650
- 作者简介：
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2016.15335
  CLC：
- Published：20 July 2016，
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Yan-juan Guo, Wei-qu Liu, Zheng-fang Wang, Jian-quan Tan. Studies on the Epoxy Resins Modified by Epoxy-terminated Fluorinated Block Polymer. [J]. Acta Polymerica Sinica (7):919-924(2016)
DOI：

Yan-juan Guo, Wei-qu Liu, Zheng-fang Wang, Jian-quan Tan. Studies on the Epoxy Resins Modified by Epoxy-terminated Fluorinated Block Polymer. [J]. Acta Polymerica Sinica (7):919-924(2016) DOI： 10.11777/j.issn1000-3304.2016.15335.

摘要

用AGET ATRP法制备含环氧基的含氟嵌段聚合物聚甲基丙烯酸六氟丁酯-b-聚甲基丙烯酸缩水甘油酯(PHFMA-b-PGMA)

将其用于双酚A型环氧树脂改性.表面性能测试表明

PHFMA-b-PGMA改性环氧涂膜的表面疏水疏油性优于纯环氧

且经长时间水浸泡、丁酮浸泡或高温热处理后

其表面稳定性仍表现优良.热性能测试表明

PHFMA-b-PGMA改性环氧的热稳定性优于纯环氧.机械性能测试结果表明

用PHFMA-b-PGMA改性环氧有助于韧性提高

与断裂面SEM测试结果相吻合.

Abstract

The fluorinated block polymer containing epoxy groups poly(2

4-hexafluorobutyl methacrylate)-b-poly(glycidyl methacrylate)

PHFMA-b-PGMA

was prepared via AGET ATRP and used to modify bisphenol A type epoxy resins E51.The contact angle measurements indicated that the surface hydrophobicity and lipophobicity of the thermosets modified by PHFMA-b-PGMA were all better than those of pure epoxy

and it was also found that the thermosets modified by PHFMA-b-PGMA still had excellent surface stability after immersing in water or butanone for 80 h

or heated at 120℃ for 24 h.The results of differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) showed that the thermosets modified by PHFMA-b-PGMA had better thermal stability than pure epoxy resins.The mechanical properties were investigated by tensile testing and impact testing

and the results showed that the toughness of thermosets modified by PHFMA-b-PGMA could be improved

and the mechanical tests of the thermosets modified by PHFMA-b-PGMA were all corresponding to the results of their fracture surface SEM tests.

关键词

含氟嵌段聚合物ATRP环氧树脂改性

Keywords

Epoxy-terminated fluorinated block polymerATRPEpoxy resinModification

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Related Institution

Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences

School of Chemical Engineering and Technology, Sun Yat-sen University

State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University

College of Chemistry and Chemcal Engineering, Guangxi Univerisity

School of Mechatronic Engineering, Lanzhou Jiaotong University

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