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Functional and Intelligent Polymers

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 1720

Special Issue Editors


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Guest Editor
School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, China
Interests: polymer composites; thermal conductivity; EMI shielding; dielectric polymers; polymer aerogels

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Guest Editor
College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518066, China
Interests: polymers; polymer nanowires; material characterization; self-healing; sem analysis

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Guest Editor
School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225109, China
Interests: polymers; nanofibers; electrospinning; electrospray; polymeric materials

Special Issue Information

Dear Colleagues,

Functional and intelligent polymers have unique functions and irreplaceable characteristics (e.g., electric, magnetic, optical and mechanical properties), and their application can promote the technological progress in various fields. Traditional research focuses on the following aspects: photofunctional polymers, liquid crystal polymers, electronic functional polymers, medical functional polymers, environmental degradation polymers, adsorption and separation functional materials, etc.

Due to the advent of 5G and the potential energy crisis, high-performance and greenized functional and intelligent polymer materials are in great demand. Various new functional and intelligent polymers are coming into sight, including thermally conductive polymers, electromagnetic shielding polymers, dielectric polymers, electrothermal polymers, and thermoelectric polymers.

This Special Issue, with a collection of articles presenting the most recent results and findings related to this exciting research area, aims to present the recent developments in functional and intelligent polymeric materials in several fields of application, such as the advanced thermal management of 5G communication devices, the protection of integrated electronic devices, energy harvesting, and flexible electronics.

Prof. Dr. Yanhui Chen
Prof. Dr. Longbiao Huang
Dr. Jiefeng Gao
Guest Editors

Manuscript Submission Information

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Keywords

  • thermally conductive polymers or polymer composites
  • electromagnetic shielding polymers or polymer composites
  • dielectric polymers or polymer composites
  • electrothermal polymers or polymer composites
  • thermoelectric polymers or polymer composites
  • polymer hydrogels
  • polymer aerogels

Published Papers (1 paper)

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Research

17 pages, 3845 KiB  
Article
Synthesis and Structure of 2-Hydroxypropyl Methacrylate-Capped Isophorone Diisocyanate and Poly(Propylene Glycol) Urethane Mixtures and the Properties of their UV-Cured Co-Networks with Isobornyl Methacrylate
by Junhao Zhou and Liming Tang
Materials 2022, 15(23), 8586; https://doi.org/10.3390/ma15238586 - 01 Dec 2022
Cited by 4 | Viewed by 1416
Abstract
Polyurethane acrylate prepolymers with different contents of HIPIH and HIH were synthesized via reacting excessive isophorone diisocyanate (IPDI) with poly(propylene glycol) (PPG) and then end-capping with 2-hydroxypropyl methacrylate (HPMA) in isobornyl methacrylate (IBOMA). After the addition of the photoinitiator PI 1173, the resulting [...] Read more.
Polyurethane acrylate prepolymers with different contents of HIPIH and HIH were synthesized via reacting excessive isophorone diisocyanate (IPDI) with poly(propylene glycol) (PPG) and then end-capping with 2-hydroxypropyl methacrylate (HPMA) in isobornyl methacrylate (IBOMA). After the addition of the photoinitiator PI 1173, the resulting prepolymer resins were irradiated by UV light to form cured materials. The structures of the prepolymers were confirmed by 1H NMR, FT-IR, and GPC. SEM analyses proved that no obvious phase separation was observed within the cured sample. As the content of HIH increased, the viscosity of the prepolymers increased slightly. In addition, the gel content, solvent resistance, Shore hardness, Young’s modulus, and the tensile strength of the cured films increased, whereas the elongation at break decreased gradually. The volume shrinkage of the cured samples ranged between 4.5% and 4.8%. DMA analyses showed that the Tgs of the cured samples increased as more HIH structures existed. TGA analyses revealed that the cured samples had high thermal stability. This solvent-free fabrication process was simple, convenient, and controllable. By simply regulating the contents of HIPIH and HIH in the prepolymers, the performances of the cured materials could be adjusted to a wide range. Full article
(This article belongs to the Special Issue Functional and Intelligent Polymers)
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