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Fujieda K, Enomoto Y, Huang Q, Iwata T. Synthesis and enzymatic biodegradation of co-polyesters consisting of divanillic acid with free hydroxyl groups. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Zhong Y, Liu K, Chen W, Lu W. High-definition mass spectrometry tracking: Enhanced photocatalytic chain scission and mineralization of polyamide 6 microplastics under solar irradiation. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Synthesis and characterization of novel potentially biodegradable aromatic polyesters consisting of divanillic acids with free phenolic hydroxyl groups. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yagura K, Enomoto Y, Iwata T. Synthesis of fully divanillic acid-based aromatic polyamides and their thermal and mechanical properties. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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A Green Resin Wood Adhesive from Synthetic Polyamide Crosslinking with Glyoxal. Polymers (Basel) 2022; 14:polym14142819. [PMID: 35890595 PMCID: PMC9318107 DOI: 10.3390/polym14142819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/02/2022] [Accepted: 07/05/2022] [Indexed: 02/04/2023] Open
Abstract
Glyoxal is considered to be the most likely substitute for formaldehyde to synthesize resin adhesives for wood bonding due to its reactivity, structural characteristics, being non-toxic, low volatility, and acceptable cost. Regrettably, the performance of the resin synthesized using glyoxal to directly replace all formaldehyde is not totally satisfactory, especially as it has almost no water resistance. This makes such a simple alternative fail to be suitable for industrial production. To prepare an environment-friendly glyoxal-based adhesive with good bonding performance, the work presented here relies first on reacting citric acid and hexamethylene diamine, producing a polyamide, with glyoxal, and then crosslinking it, thus synthesizing a thermosetting resin (namely CHG) adhesive and applying it for plywood bonding. The plywood prepared exhibits excellent dry and wet shear strength, which are better than GB/T9846-2015 standard requirements (≥0.7 MPa), and even after being soaked in hot water at 63 °C for 3 h, its strength is still as high as 1.35 MPa. The CHG resin is then potentially an adhesive for industrial application for replacing UF (urea-formaldehyde) and MUF (melamine-urea-formaldehyde) adhesives for wood composites.
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Synthesis of fully biobased semi-aromatic furan polyamides with high performance through facile green synthesis process. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110932] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Synthesis of homo- and copolyesters containing divanillic acid, 1,4-cyclohexanedimethanol, and alkanediols and their thermal and mechanical properties. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2021.109706] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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