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Related Experiment Video

Updated: Dec 19, 2025

Self-assembling Morphologies Obtained from Helical Polycarbodiimide Copolymers and Their Triazole Derivatives
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High impact polytriazole resins for advanced composites.

Mingming Ma1, Xiuyun Wang2, Zhuoer Yu1

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Designed Monomers and Polymers
|June 4, 2020
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Summary

Poly(ethylene glycol)s (PEGs) were used to synthesize azido-terminated poly(ethylene glycol) macromonomers (ATPEGs) for toughening polytriazole (EPTA) resins. Higher ATPEG content and molecular weight enhanced impact strength but reduced flexural strength and heat resistance.

Keywords:
high performance resinmechanical propertiespolytriazole resin based on polyetherresin with low curing temperature‘Click’ polymerization

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Area of Science:

  • Polymer Chemistry
  • Materials Science

Background:

  • Polymer resins often require modification to enhance specific mechanical properties.
  • Poly(ethylene glycol) (PEG) is a versatile polymer with potential for modifying resin characteristics.

Purpose of the Study:

  • To synthesize azido-terminated poly(ethylene glycol) macromonomers (ATPEGs).
  • To investigate the toughening effect of ATPEGs on extended polytriazole (EPTA) resins.
  • To analyze the influence of ATPEG molecular weight and content on EPTA resin properties.

Main Methods:

  • Synthesis and characterization of ATPEGs from PEGs.
  • Preparation of EPTA resins using ATPEGs, azide, and alkyne monomers.
  • Mechanical, thermal, and electronic microscopy characterization of EPTA resins.

Main Results:

  • The molecular weight and content of ATPEGs significantly impact EPTA resin properties.
  • Increased ATPEG amount and molecular weight led to higher impact strength.
  • Increased ATPEG amount and molecular weight resulted in decreased flexural strength and heat resistance.

Conclusions:

  • ATPEGs can be effectively used to toughen EPTA resins.
  • A balance between impact strength and other properties is achievable by controlling ATPEG characteristics.
  • High impact EPTA resins were successfully developed.