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April 1, 2026Polymer Engineering and Science

Development of Benzoxazine/DPNR Shape Memory Polymers via Solvent‐Free Melt‐Blending Method

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Authors

CBChanokkan BuakhleeChulalongkorn UniversityNBNuttinan BoonnaoChulalongkorn UniversityKCKrittapas CharoensukChulalongkorn University

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Implication

Researchers demonstrate improved shape-memory performance in polymers using a sustainable blending method.

Key Points

  • This research aims to explore the enhancement of shape-memory properties in polymer blends using DPNR.
  • Developed a solvent-free latex-blending method to incorporate DPNR into polybenzoxazine.
  • Confirmed the success of grafting and compatibility using FTIR and TEM.
  • Analyzed the mechanical properties through dynamic mechanical analysis (DMA).
  • Achieved high shape fixity of 99% and an improved shape recovery ratio from 86% to 98%.
  • Noticed a reduction in storage modulus with increased rubber content.
  • Reduced recovery time from 8 minutes to 3 minutes with higher DPNR loading.

Cite This Study

Buakhlee et al. (2026) studied this question.

synapsesocial.com/papers/69cd7b695652765b073a9680https://doi.org/10.1002/pen.70506
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effects of benzoxazine resin on property enhancement of shape memory epoxy: A dual function of benzoxazine resin as a curing agent and a stable network segment2015 · 43 citations
  2. 2Effects of rubber curing ingredients and phenolic‐resin on mechanical, thermal, and morphological characteristics of rubber/phenolic‐resin blends2008 · 56 citations
  3. 3Phenolic materials via ring‐opening polymerization: Synthesis and characterization of bisphenol‐A based benzoxazines and their polymers1994 · 971 citations