SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE XANTHENE-CONTAINING POLY(ETHER ETHER KETONE KETONE)

SHENG Shouri; LIU Yan; LIU Yuan; HUANG Zhenzhong; LIU Xiaoling; SONG Caisheng

doi:10.3724/SP.J.1105.2009.00958

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SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE XANTHENE-CONTAINING POLY(ETHER ETHER KETONE KETONE)

Research Bulletin | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE XANTHENE-CONTAINING POLY(ETHER ETHER KETONE KETONE)
- Acta Polymerica Sinica Issue 9, Pages: 958-961(2009)
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- DOI：10.3724/SP.J.1105.2009.00958
  CLC：
- Published：20 September 2009，
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SHENG Shouri, LIU Yan, LIU Yuan, HUANG Zhenzhong, LIU Xiaoling, SONG Caisheng. SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE XANTHENE-CONTAINING POLY(ETHER ETHER KETONE KETONE). [J]. Acta Polymerica Sinica (9):958-961(2009)
DOI：

SHENG Shouri, LIU Yan, LIU Yuan, HUANG Zhenzhong, LIU Xiaoling, SONG Caisheng. SYNTHESIS AND CHARACTERIZATION OF A SOLUBLE XANTHENE-CONTAINING POLY(ETHER ETHER KETONE KETONE). [J]. Acta Polymerica Sinica (9):958-961(2009) DOI： 10.3724/SP.J.1105.2009.00958.

摘要

以呫吨酮为起始原料，经二氯亚砜作用得到9

9-二氯呫吨中间体，继而与苯酚发生取代反应，探索了“一锅、二步”法制备含呫吨结构的双酚单体——9

9-二（4-羟基苯基）呫吨（BHPX）的新方法.在氮气保护下，在K2CO3存在下，以环丁砜为溶剂，将其与1

3-二（4-氟苯甲酰基）苯进行亲核缩聚反应，制得了一种高分子量的（数均分子量为45000，多分散性指数为1.9）新型含呫吨结构的Cardo型聚醚醚酮酮（PEEKK-X），并用FTIR

DSC

TG及WAXD等方法对其进行了分析表征.结果表明，所制得的聚合物（PEEKK-X）为无定形结构，其玻璃化转变温度（Tg）为215℃；在氮气气氛中5%的热失重温度（Td）为558℃，700℃时的残炭率为67%；在常温下易溶于非质子极性溶剂（如NMP、DMF 和 DMAc）和极性较弱的溶剂如CHCl3中.该聚合物可通过溶液浇铸成膜，所得到的薄膜韧性好，透明且耐折，其拉伸强度为81.5 MPa，杨氏膜量为2.48 GPa，断裂伸长率为16.8%.

Abstract

9-Bis(4-hydroxyphenyl)xanthene (BHPX) was synthesized with good yield from xanthenone in one-pot

two-step synthetic procedure.A novel cardo poly(ether ether ketone ketone) (PEEKK-X) containing xanthene structure was successfully prepared via a typical nucleophilic aromatic substitution polycondensation of BHPX and 1

3-bis(4-fluorobenzoyl)benzene with the use of sulfolane as solvent.The polymer was characterized by FTIR

DSC

TGA and WAXD

etc.The results showed that the polymer had excellent heat-resistance

the glass transition temperature (Tg) was 215℃.The onset temperature taken at 5% weight loss of the polymer in nitrogen was 558℃.The polymer was noncrystalline and was soluble in common organic solvents such as DMF

DMAc

NMP and CHCl3 at room temperature.The polymer formed transparent

strong and flexible films with tensile strength of 81.5 MPa

Young’s moduli of 2.48 GPa and elongation at break of 16.8%.

关键词

聚醚醚酮酮99-二(4-羟基苯基)呫吨可溶性亲核取代

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