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Related Concept Videos

Bioplastics01:27

Bioplastics

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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
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Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
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High-Performance Recycling Biobased Photopolymers for 3D Printing.

Hang Zhou1, Yi Tan1, Chuanwei Lu1

  • 1College of Chemical Engineering, Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agricultural and Forest Biomass, Nanjing Forestry University, Nanjing, P. R. China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|March 25, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces recyclable, high-performance 3D printing materials derived from biobased phenols. These advanced photopolymers offer excellent properties and can be efficiently recycled multiple times, reducing environmental impact.

Keywords:
3D printingbiobased phenolsphenol‐carbamate bondsphotopolymersrecyclability

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Sustainable Manufacturing

Background:

  • The rapid growth of 3D printing necessitates sustainable materials to mitigate environmental concerns.
  • Current recyclable 3D printing materials often compromise on performance and recyclability.

Purpose of the Study:

  • To design and synthesize novel biobased photopolymers with enhanced performance and recyclability.
  • To develop an efficient recycling strategy for these advanced materials.

Main Methods:

  • Utilizing eugenol, a biobased phenol, to create photopolymers with dynamic dissociative phenol-carbamate bonds.
  • Implementing a "mixed-monomer assisted recycling" strategy for material recovery.
  • Evaluating thermal, mechanical, and 3D printing properties.

Main Results:

  • Achieved high biobased content and excellent thermal/mechanical properties in the synthesized photopolymers.
  • Demonstrated efficient material recovery with high efficiency over at least three recycling cycles.
  • Confirmed exceptional 3D printing performance, including functionalities like oral bacteria inhibition and shape memory, with low environmental impact.

Conclusions:

  • Combining rigid biobased feedstocks, particularly phenols, with dynamic covalent bonds enables the development of high-performance, recyclable photopolymers.
  • This approach offers a sustainable pathway for advanced 3D printing materials with added functionalities and reduced environmental footprint.