Article | REF: RE292 V1

Dendrimeric and hyperbranched polymers - Additives for wood glues and foams

Author: Siham AMIROU

Publication date: January 10, 2022

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ABSTRACT

Advances in polymer synthesis allow the preparation of complex architectures such as dendrimers and hyperbranched polymers with terminal functional groups. These polymers are attracting the attention of researchers due to their high functionality, high solubility and low viscosity. They are known as being effective hardeners for thermosetting resins such as epoxies or vinyl ester… This article focuses on the use of different dendrimers and hyperbranched agents as resins modifiers for bonding wood, on one hand, and also as a crosslinking agent in tannin foams on the other hand.

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AUTHOR

  • Siham AMIROU: Laboratory for the study and research of wood materials (LERMAB) - University of Lorraine, Épinal, France

 INTRODUCTION

Dendrimeric and hyperbranched polymers are multi-branched, "tree-like" chemical entities which, thanks to their end groups, enable applications in a variety of fields. Each polymer can exhibit different properties depending on the nature of the chemical compounds used, each compound being responsible for determining the type of repeating units, branching... As a result, all these parameters can induce remarkable distinctions in terms of solubility, polarity and overall reactivity. The incorporation of such entities into a polymer system is generally intended to induce curing and improve rheological properties, or to confer improved adhesion. In addition to well-known applications in the biomedical field, this article presents new prospects for the use of dendritic and hyperbranched polymers to improve wood adhesives and develop foams.

Key points

Field: Polymers

Degree of technology diffusion: Emergence

Technologies involved: Polymer synthesis

Applications: Biology, chemistry, pharmaceuticals

Main French players :

  • Competitiveness clusters: LAPE, LERMAB, CINaM, LCC

  • Manufacturers: Dendrichem

Other global players: Sigma-Aldrich chemie GmbH, Germany

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Dendrimeric and hyperbranched polymers