Polymeric Materials for Wood Adhesives: Preparation and Characterization

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Analysis and Characterization".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 831

Special Issue Editor

Yunnan Key Laboratory of Wood Adhesives and Glued Products, College of Material and Chemical Engineering, Southwest Forestry University, Kunming 650224, China
Interests: bio-based wood adhesives; synthetic resins adhesives; bonding performance; water resistance improvement; polymer modification; wood composites; crosslinking/curing reaction; interface chemistry; reaction mechanism

Special Issue Information

Dear Colleagues,

Adhesives are one of the most important raw materials used in production in the wood industry, as they determine the properties of the glued products. At present, the most widely used industrial wood adhesives are synthetic resins, such as urea formaldehyde, phenol formaldehyde, melamine formaldehyde, polyurethanes and so on, which have a large usage that accounts for more than 90% of the wood adhesive market volume due to their excellent bonding properties and price advantages. However, it cannot be denied that the raw material sources of these resins are usually derived from non-renewable and non-eco-friendly petrochemical products; also, many of them are toxic and harmful to human health or the environment. Therefore, the reduction in toxicity in these synthetic resin adhesives is very meaningful, and will also attract the attention of many people. Furthermore, developing new wood adhesives from biomass raw materials (tannin, lignin, protein, starch, etc.) is also an important research direction, and which has been the hottest research topic in the field of wood adhesives in the past ten years. Additionally, many outstanding research results already have been reported; thus, it is inevitable that they will have good industrial applications in the near future.

This Special Issue aims to investigate the synthesis, processing, modification, characterization and applications of synthetic resins and bio-based wood adhesives. Both original contributions and comprehensive reviews are welcome. Potential topics include, but are not limited to, the following:

  • Modification, characterization and applications of synthetic resin wood adhesives;
  • Synthesis of bio-based wood adhesives;
  • Modification of bio-based wood adhesives;
  • Processing and performance of adhesives;
  • Analysis of wood adhesives;
  • Innovative applications of synthetic resins and bio-based adhesives;
  • Interface chemistry of wood bonding;
  • Preparation reaction mechanism of wood adhesives;

Dr. Xuedong Xi
Guest Editor

Manuscript Submission Information

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Keywords

  • wood adhesives
  • synthetic resins
  • toxicity reduction
  • biomass raw materials
  • bio-based wood adhesives

Published Papers (1 paper)

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Research

13 pages, 3455 KiB  
Article
Development and Characterization of Bio-Based Formaldehyde Free Sucrose-Based Adhesive for Fabrication of Plywood
by Longjiang Liu, Yongbo Jia, Lulu Zheng, Rui Luo, Hisham Essawy, Heming Huang, Yaming Wang, Shuduan Deng and Jun Zhang
Polymers 2024, 16(5), 640; https://doi.org/10.3390/polym16050640 - 27 Feb 2024
Viewed by 613
Abstract
In order to solve the problem of excessive consumption of petrochemical resources and the harm of free formaldehyde release to human health, biomass raw materials, such as sucrose (S) and ammonium dihydrogen phosphate (ADP) can be chemically condensed in a simple route under [...] Read more.
In order to solve the problem of excessive consumption of petrochemical resources and the harm of free formaldehyde release to human health, biomass raw materials, such as sucrose (S) and ammonium dihydrogen phosphate (ADP) can be chemically condensed in a simple route under acidic conditions to produce a formaldehyde free wood adhesive (S-ADP), characterized by good storage stability and water resistance, and higher wet shear strength with respect to petroleum based phenolic resin adhesive. The dry and boiling shear strength of the plywood based on S-ADP adhesive are as high as 1.05 MPa and 1.19 MPa, respectively. Moreover, is Modulus of Elasticity (MOE) is as high as 4910 MPa. Interestingly, the plywood based on the developed S-ADP adhesive exhibited good flame retardancy. After burning for 90 s, its shape remains unchanged. Meanwhile, it can be concluded from thermomechanical analysis (TMA) and thermogravimetric analysis (TGA) that the S-ADP acquired excellent modulus of elasticity (MOE) and good thermal stability. It is thus thought promisingly that the use of S-ADP adhesive as a substitute for PF resin adhesive seems feasible in the near future. Full article
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