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May 6, 2026Materials Advances2 citationsOpen Access

Influence of Rheology on 3D Printing with Heterogeneous Reactive Polyurethane Reagents

YWYuyang WuZZZuoxin ZhouACAgustín Forchetti Casarino

Key Points

  • This research aims to explore how rheology affects the properties of 3D printed polyurethane structures.
  • Utilized two heterogeneous, viscoelastic feed-streams comprising diol and isocyanate.
  • Implemented polymerisation-based reactive extrusion processing for multi-layer printing.
  • Evaluated structural fidelity and rigidity of printed woodpile structures.
  • Successfully printed multi-layer polyurethane structures with enhanced structural fidelity.
  • Achieved good rigidity and dimensional stability for the printed materials.
  • Demonstrated the effectiveness of specific feed-stream combinations in improving print quality.

Abstract

The successful printing of multi-layer, multi-material polyurethane woodpile structures with good structural fidelity and rigidity was demonstrated by via polymerisation-based reactive extrusion processing. Two heterogenous, viscoelastic feed-streams, i.e. a diol...

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Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/69fadad703f892aec9b1e909https://doi.org/10.1039/d5ma01460c
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