Novel Bio‐Based Catechol‐Containing Copolymers by Precision Polymerization of Caffeic Acid‐Derived Styrenes Using Ester Protection

Tanizaki, Shiho; Kubo, Toru; Satoh, Kotaro

doi:10.1002/macp.202270024

Cited by 1 publication

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“…However, only oligomers with ill‐defined structures were achieved [9] . For phenolic polymers with well‐defined molecular structures, controlled polymerization procedures were carried out for their OH‐protected derivatives since these methods normally follow a radical, anionic or cationic mechanism [10–13] . Commercially, phenol‐formaldehyde resins, constituting linear resins and cross‐linked networks with aromatic rings connected via methylene or ether bonds, were among the first man‐made plastics sourcing from petroleum feedstocks over 100 years ago and have received worldwide success in a wide range of industries .…”

Section: Introductionmentioning

confidence: 99%

Thiol‐Aldehyde Polycondensation for Bio‐based Adaptable and Degradable Phenolic Polymers

Wang

et al. 2023

Angewandte Chemie

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Designing sustainable materials with tunable mechanical properties, intrinsic degradability, and recyclability from renewable biomass through a mild process has become vital in polymer science. Traditional phenolic resins are generally considered to be not degradable or recyclable. Here we report the design and synthesis of linear and network structured phenolic polymers using facile polycondensation between natural aldehyde‐bearing phenolic compounds and polymercaptans. Linear phenolic products are amorphous with Tg between −9 °C and 12 °C. Cross‐linked networks from vanillin and its di‐aldehyde derivative exhibited excellent mechanical strength between 6–64 MPa. The connecting dithioacetals are associatively adaptable strong bonds and susceptible to degradation in oxidative conditions to regenerate vanillin. These results highlight the potential of biobased sustainable phenolic polymers with recyclability and selective degradation, as a complement to the traditional phenol‐formaldehyde resins.

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Section: Introductionmentioning

confidence: 99%

Thiol‐Aldehyde Polycondensation for Bio‐based Adaptable and Degradable Phenolic Polymers

Wang

et al. 2023

Angewandte Chemie

View full text Add to dashboard Cite

show abstract

Novel Bio‐Based Catechol‐Containing Copolymers by Precision Polymerization of Caffeic Acid‐Derived Styrenes Using Ester Protection

Cited by 1 publication

References 0 publications

Thiol‐Aldehyde Polycondensation for Bio‐based Adaptable and Degradable Phenolic Polymers

Thiol‐Aldehyde Polycondensation for Bio‐based Adaptable and Degradable Phenolic Polymers

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