Poly(carbonate ether)/Ethyl Cellulose Supramolecular Complex: Facile Preparation and Adhesion Properties

LI Xiao-jing; WEN Ying-feng; WANG Yong; ZHOU Xing-ping; XIE Xiao-lin

doi:10.14028/j.cnki.1003-3726.2023.11.011

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Poly(carbonate ether)/Ethyl Cellulose Supramolecular Complex: Facile Preparation and Adhesion Properties

Special Issue: Polymer Research at Huazhong University of Science and Technology | 更新时间：2023-10-12

- Poly(carbonate ether)/Ethyl Cellulose Supramolecular Complex: Facile Preparation and Adhesion Properties
- Polymer Bulletin Vol. 36, Issue 11, Pages: 1538-1549(2023)
- 作者机构：
  
  能量转换与存储材料化学教育部重点实验室，华中科技大学化学与化工学院，武汉　430074
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2023.11.011
  CLC：
- Published：20 November 2023，
  
  Received：27 June 2023，
  
  Revised：11 August 2023，
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LI Xiao-jing, WEN Ying-feng, WANG Yong, ZHOU Xing-ping, XIE Xiao-lin. Poly(carbonate ether)/Ethyl Cellulose Supramolecular Complex: Facile Preparation and Adhesion Properties. [J]. Polymer Bulletin 36(11):1538-1549(2023)
DOI：

LI Xiao-jing, WEN Ying-feng, WANG Yong, ZHOU Xing-ping, XIE Xiao-lin. Poly(carbonate ether)/Ethyl Cellulose Supramolecular Complex: Facile Preparation and Adhesion Properties. [J]. Polymer Bulletin 36(11):1538-1549(2023) DOI： 10.14028/j.cnki.1003-3726.2023.11.011.

摘要

粘合剂在现代生活和生产中广泛应用，具有可生物降解、可再生、可逆粘接性能的粘合剂是该领域的研究热点。本文利用相对分子质量为2000左右，碳酸酯含量 (CU) 分别为28%、33%、45%、51%和66%的聚 (碳酸酯-醚) 二元醇和乙基纤维素为原料，通过羟基与2-脲基-4[1

]-嘧啶酮异氰酸酯 (UPy-NCO) 的偶联反应，分别合成了UPy封端的聚(碳酸酯-醚) (UPPC) 和UPy侧链官能化的乙基纤维素 (UEC)。进一步，通过溶液共混制备了基于四重氢键作用的UPPC/UEC超分子复合物并研究了UPPC的序列结构和含量对超分子复合物粘接性能的影响。当UPPC的质量分数为70%，碳酸酯含量为33%时，超分子复合物 (UPPC33%

/UEC

)对钢片的粘接强度最高可达7.4 MPa，是单组分UPPC33%粘接强度的3倍。此外，UPPC33%

/UEC

对钢片表现出良好的热可逆粘接特性，重复使用6次后粘接强度仅下降10%。

Abstract

Adhesives are indispensable in modern life and production

and adhesives that are biodegradable

sustainable

and reversible adhesive have gained significant momentum. Herein

2-urea-4[1

]-pyrimidinone terminated poly(carbonate ether) (UPPC) and functionalized ethyl cellulose (UEC) were synthesized via the coupling reaction between 2-urea-4[1

]-pyrimidinone isocyanate (UPy-NCO) and poly(carbonate ether) diol (

around 2000

carbonate unit content=28%

33%

45%

51%

and 66%) or ethyl cellulose (

=11700). Through solution blending

supramolecular complexes composed of UPPC and UEC were successfully prepared

and the effects of the structure and content of UPPC on the adhesion properties of the supramolecular complexes were studied. When the content of UPPC33% is 70wt%

the supramolecular complex UPPC33%

/UEC

displays a high adhesion strength of 7.4 MPa on steel

which is three times that of UPPC33%. In addition

UPPC33%

/UEC

displayed reversible adhesive properties in response to heat

and its adhesion strength decreased by only 10% after repeated use for 6 consecutive times.

关键词

聚 (碳酸酯-醚)乙基纤维素超分子粘合剂2-脲基-4[1H]-嘧啶酮

Keywords

Poly(propylene carbonate)Ethyl celluloseSupramolecularAdhesive2-Urea-4[1H]-pyrimidinone

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