SYNTHESIS OF HIGH-PERFORMANCE POLY(IMINO SULFONE) VIA PALLADIUMCATALYZED AMINATION REACTION

JIAO Wenxiu; CHANG Guanjun; LUO Xuan; ZHANG Lin; LIN Runxiong

doi:10.3724/SP.J.1105.2009.01292

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SYNTHESIS OF HIGH-PERFORMANCE POLY(IMINO SULFONE) VIA PALLADIUMCATALYZED AMINATION REACTION

Research Bulletin | 更新时间：2021-03-19

- SYNTHESIS OF HIGH-PERFORMANCE POLY(IMINO SULFONE) VIA PALLADIUMCATALYZED AMINATION REACTION
- Acta Polymerica Sinica Issue 12, Pages: 1292-1296(2009)
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- DOI：10.3724/SP.J.1105.2009.01292
  CLC：
- Published：20 December 2009，
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JIAO Wenxiu, CHANG Guanjun, LUO Xuan, ZHANG Lin, LIN Runxiong. SYNTHESIS OF HIGH-PERFORMANCE POLY(IMINO SULFONE) VIA PALLADIUMCATALYZED AMINATION REACTION. [J]. Acta Polymerica Sinica (12):1292-1296(2009)
DOI：

JIAO Wenxiu, CHANG Guanjun, LUO Xuan, ZHANG Lin, LIN Runxiong. SYNTHESIS OF HIGH-PERFORMANCE POLY(IMINO SULFONE) VIA PALLADIUMCATALYZED AMINATION REACTION. [J]. Acta Polymerica Sinica (12):1292-1296(2009) DOI： 10.3724/SP.J.1105.2009.01292.

摘要

利用三(二亚苄基丙酮)二钯(Pd2(dba)3)与1.1′- 联萘-2.2′-二苯膦(BINAP)组成的催化体系，高效地催化4

4′-二氯二苯砜和芳香二胺的Buchwald-Hartwig交叉偶联反应，制备出新型聚亚胺砜.聚合物结构通过核磁氢谱、红外谱图、凝胶渗透色谱和元素分析等方法进行表征，表征结果与目标产物相吻合，并具有较高的分子量(Mw2.5×104).利用DSC、TG和XRD等对其性能进行测试，结果表明，该类聚合物为无定形态，具有较高的玻璃化转变温度(Tg200℃)、良好的热稳定性(Td400℃)和溶解性能.其中含异丙基的PIS-3不仅可溶解在强极性溶剂中，并且在室温条件下(25℃)可溶于四氢呋喃中.

Abstract

A series of novel high-performance polymers——poly(imino sulfone)s (PISs) have been obtained by the aryl amination reaction of 4

4′-dichlorodiphenyl sulfone and a series of aromatic diamines

using the catalytic system-generated from tris(dibenzylideneacetone)dipalladium(0)(Pd2(dba)3) and 2

2′-bis(diphenyl phosphino)-1

1′-binaphthyl (BINAP).The structures and general properties of PISs are characterized by means of FTIR

1H-NMR spectroscopy

DSC

XRD

etc. The results confirm the proposed molecular structure and show that PISs possess high molecular weight (Mw2.5×104)

high glass transition temperature (Tg＞200℃) and good thermal stability with high decomposition temperatures (Td＞400℃).PISs possess amorphous structures and also exhibit the excellent solubility.PIS-3 and PIS-4 can be dissolved not only in high polar solvents

but also in common organic solvent THF at room temperature (25℃).

关键词

高性能材料聚亚胺砜Buchwald-Hartwig交叉偶联反应44′-二氯二苯砜

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