The Effects of Structure of <italic style="font-style: italic">N</italic>-heterocyclic Monomers on the Performance of Copoly(aryl ether ketone ketone)s

Qian Liu; Zhao-qi Wang; Xiao-qing Yang; Kai-wen Wu; Shao-kui Fu; Xu Wang; Shou-hai Zhang; Xi-gao Jian

doi:10.11777/j.issn1000-3304.2021.21032

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The Effects of Structure of N-heterocyclic Monomers on the Performance of Copoly(aryl ether ketone ketone)s

Research Article | 更新时间：2023-05-22

- The Effects of Structure of N-heterocyclic Monomers on the Performance of Copoly(aryl ether ketone ketone)s
- ACTA POLYMERICA SINICA Vol. 52, Issue 9, Pages: 1184-1191(2021)
- 作者机构：
  
  大连理工大学化工学院精细化工国家重点实验室辽宁省高性能树脂工程技术研究中心辽宁省高分子科学与工程重点实验室大连 116024
- 作者简介：
  
  Shou-hai Zhang, E-mail: zhangshh@dlut.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2021.21032
  CLC：
- Published：20 September 2021，
  
  Published Online：24 June 2021，
  
  Received：27 January 2021，
  
  Revised：04 March 2021，
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刘乾,王昭琪,杨晓庆等.氮杂环单体的分子结构对共聚芳醚酮酮性能的影响[J].高分子学报,2021,52(09):1184-1191.

Liu Qian,Wang Zhao-qi,Yang Xiao-qing,et al.The Effects of Structure of N-heterocyclic Monomers on the Performance of Copoly(aryl ether ketone ketone)s[J].ACTA POLYMERICA SINICA,2021,52(09):1184-1191.
刘乾,王昭琪,杨晓庆等.氮杂环单体的分子结构对共聚芳醚酮酮性能的影响[J].高分子学报,2021,52(09):1184-1191. DOI： 10.11777/j.issn1000-3304.2021.21032.

Liu Qian,Wang Zhao-qi,Yang Xiao-qing,et al.The Effects of Structure of N-heterocyclic Monomers on the Performance of Copoly(aryl ether ketone ketone)s[J].ACTA POLYMERICA SINICA,2021,52(09):1184-1191. DOI： 10.11777/j.issn1000-3304.2021.21032.

摘要

合成4

4'-二苯基-7

7'-双(2

3')二氮杂萘(1

1')酮(7

7-DBD)与4

4'-二苯基-6

7'-双(2

3')二氮杂萘(1

1')酮(6

7-DBD)2种杂环单体，探究2种单体和4-(4-羟基苯基)-2

3-二氮杂萘酮与1

4-二(4-氟苯甲酰基)苯的共聚行为，得到2种侧苯基位置不同的氮杂环聚芳醚酮酮P-CDs与P-TDs. 两者的特性黏度介于0.5~1.1 dL/g，P-CDs的特性黏度更高，制备更容易. P-CDs的玻璃化转变温度介于254~296 ℃，250 ℃的储能模量保持率高达67%，均高于相同共聚组成的P-TDs. 2种聚合物可溶于

-甲基吡咯烷酮与1

2-四氯乙烷等有机溶剂中；拉伸模量介于1.56~1.78 GPa，拉伸强度介于50.1~102.9 MPa，断裂伸长率介于11.0%~18.1%，绝缘性基本一致. P-CDs的耐热性、溶解性、机械性能均优于P-TDs. 故调整主链上侧基分布方式可以明显改变聚合物的耐热性、机械性能、溶解性和可制备性，为制备耐热等级更高且可溶解的高性能聚合物提供参考.

Abstract

4′-Diphenyl-6

7′-biphthalazin-1

1′(2H

2′H)-dione (6

7-DBD) and 4

4′-diphenyl-7

7′-biphthalazin 1

1′ (2H

2′H)-dione (7

‍7-DBD) were synthesized. The copolymerization behaviors of two DBDs and 4-‍(4-hydroxyphenyl)-2

‍3-phthalazin-1-one with 1

‍4-bis(4-fluorobenzoyl)benzene were investigated

separately.

-heterocyclic copoly(aryl ether ketone ketone)s with different locations of side-phenyl groups (P-CDs and P-TDs) were obtained. The intrinsic viscosities (

int

) of the copolymers are in the range of 0.5-1.1 dL/g. P-CDs perform the easier preparation process and higher

int

than P-TDs. The glass transition temperature of P-CDs ranges from 254 ℃ to 296 ℃

and the retention rate of storage modulus is up to 67% at 250 ℃

which is higher than that of P-TDs with the similar polymerization composition. Both copolymers are soluble in commom solvent

such as

-methylpyrrolidone and 1

‍2-tetrachloroethane. The tensile modulus is in the range of 1.56-1.78 GPa

the tensile strength is in the range of 50.1-102.9 MPa

the elongation at break is in the range of 11.0%-18.1%

and the insulation properties are little short of the same. In summary

P-CDs exhibit better heat resistance

solubility

and mechanical proteties than P-TDs . It can be found that adjusting the distribution of side phenyl in main chains can significantly affect the thermal stability

mechanical property

solubility

and preparability of the polymer

which provides an attempt direction for the preparation of high-performance polymers with high heat resistance and solubility.

关键词

分子结构聚芳醚双二氮杂萘酮溶解性耐热性

Keywords

Molecular structurePoly(aryl ether ketone ketone)sPhthalazinioneSolubilityThermo-resistance

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State Key Laboratory of Fine Chemicals, Department of Polymer Science & Materials, Dalian University of Technology

Key Laboratory of New Processing Technology for Nonferrous Metal & Materials, Ministry of Education, School of Material Science and Engineering, Guilin University of Technology

School of Chemical Engineering, University of Science and Technology Liaoning

School of Chemical Engineering, Dalian University of Technology

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The Effects of Structure of N-heterocyclic Monomers on the Performance of Copoly(aryl ether ketone ketone)s

DOI：10.11777/j.issn1000-3304.2021.21032

摘要

Abstract

关键词

Keywords

references