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Updated: Dec 10, 2025

TAPE: A Biodegradable Hemostatic Glue Inspired by a Ubiquitous Compound in Plants for Surgical Application
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Bio-based and Degradable Block Polyester Pressure-Sensitive Adhesives.

Thomas T D Chen1, Leticia Peña Carrodeguas1, Gregory S Sulley1

  • 1Department of Chemistry, University of Oxford, Chemistry Research Laboratory, 12 Mansfield Rd, Oxford, OX1 3TA, UK.

Angewandte Chemie (International Ed. in English)
|September 4, 2020
PubMed
Summary
This summary is machine-generated.

New bio-based degradable block polyesters function as pressure-sensitive adhesives. These sustainable materials offer tunable properties and strong adhesion without synthetic additives.

Keywords:
adhesivesblock polyestersdegradable polymerspolymersring-opening polymerization

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Sustainable Materials

Background:

  • Pressure-sensitive adhesives (PSAs) often rely on non-degradable petrochemical feedstocks.
  • There is a growing demand for environmentally friendly adhesives with tunable mechanical properties.

Purpose of the Study:

  • To develop a novel class of fully degradable, bio-based block polyesters for pressure-sensitive adhesive applications.
  • To investigate the polymerization of bio-derived monomers for controlled polyester synthesis.
  • To evaluate the adhesive properties and mechanical characteristics of the synthesized block polyesters.

Main Methods:

  • Efficient polymerization of bio-derived monomers to create block polyesters with precise compositions.
  • Characterization of peel adhesion, storage modulus, and loss modulus.
  • Assessment of adhesive failure mechanisms.

Main Results:

  • Synthesized bio-based fully degradable block polyesters exhibiting pressure-sensitive adhesive behavior.
  • Achieved moderate to high peel adhesions ranging from 4-13 N cm⁻¹.
  • Demonstrated controllable storage and loss moduli, indicating tunable mechanical properties.
  • Adhesives were removed via adhesive failure.
  • Properties favorably compared to commercial adhesives and existing bio-based formulations.

Conclusions:

  • A new class of high-performance, bio-based, and fully degradable block polyesters for pressure-sensitive adhesives has been successfully developed.
  • These novel adhesives offer tunable mechanical properties and strong adhesion without the need for tackifiers or additives.
  • The findings contribute to the advancement of sustainable adhesive technologies.