Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer

The preparation of a soybean protein adhesive with good prepressing intensity, mildew proof, flame retardant, and high bond strength are conducive to the wide application of a soybean protein adhesive, which is important but challenging for the wood-based panel industry. In this study, two hyperbran...

Full description

Bibliographic Details
Main Authors: Zheng Liu, Tao Liu, Jieyu Zhang, Yue Li, Jing Luo, Jianzhang Li, Sheldon Q. Shi, Qiang Gao, An Mao
Format: Article
Language:English
Published: Elsevier 2023-02-01
Series:Polymer Testing
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0142941823000119
_version_ 1811169496498438144
author Zheng Liu
Tao Liu
Jieyu Zhang
Yue Li
Jing Luo
Jianzhang Li
Sheldon Q. Shi
Qiang Gao
An Mao
author_facet Zheng Liu
Tao Liu
Jieyu Zhang
Yue Li
Jing Luo
Jianzhang Li
Sheldon Q. Shi
Qiang Gao
An Mao
author_sort Zheng Liu
collection DOAJ
description The preparation of a soybean protein adhesive with good prepressing intensity, mildew proof, flame retardant, and high bond strength are conducive to the wide application of a soybean protein adhesive, which is important but challenging for the wood-based panel industry. In this study, two hyperbranched functional polymers were designed. Hyperbranched polyamide (HP) was grafted by 3-hydroxyphenylphosphinyl-propanoic acid (PPA) to obtain PPA@HP and then combined with self-synthesized epoxidized tannin (ETA) to modify the soybean protein adhesive. The hyperbranched functional polymer PPA@HP and ETA reacted with soybean protein to form a hyperbranched cross-linking structure and a hydrogen bond network, which noticeably improved the toughness and bond strength of the adhesive. The wet shear strength of the resultant plywood was improved by 110.9% to 1.35 MPa. The formed hyperbranched hydrogen bond network also significantly improved the prepressing intensity (by 129.0% to 0.71 MPa). In addition, the anti-mildew time increased from 24 h to 120 h. The time to block combustibles increased from 5 s to 80 s, and the limiting oxygen index improved from 23.5% to 38.5%. The use of hyperbranched functional polymers created covalent and non-covalent hybrid networks provides an effective and convenient strategy for developing high-strength and multifunctional composites, such as bio-adhesives, hydrogels, and films.
first_indexed 2024-04-10T16:43:24Z
format Article
id doaj.art-89f465fdcc1349ee803623f4fadc1a56
institution Directory Open Access Journal
issn 0142-9418
language English
last_indexed 2024-04-10T16:43:24Z
publishDate 2023-02-01
publisher Elsevier
record_format Article
series Polymer Testing
spelling doaj.art-89f465fdcc1349ee803623f4fadc1a562023-02-08T04:16:16ZengElsevierPolymer Testing0142-94182023-02-01119107931Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymerZheng Liu0Tao Liu1Jieyu Zhang2Yue Li3Jing Luo4Jianzhang Li5Sheldon Q. Shi6Qiang Gao7An Mao8MOE Key Laboratory of Wooden Material Science and Application & Beijing Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing, 100083, ChinaMOE Key Laboratory of Wooden Material Science and Application & Beijing Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing, 100083, ChinaMOE Key Laboratory of Wooden Material Science and Application & Beijing Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing, 100083, ChinaMOE Key Laboratory of Wooden Material Science and Application & Beijing Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing, 100083, ChinaCollege of Materials Science and Engineering, Nanjing Forestry University, Longpan Road 159, Xuanwu District, Nanjing, 210037, ChinaMOE Key Laboratory of Wooden Material Science and Application & Beijing Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing, 100083, ChinaMechanical Engineering, University of North Texas, Denton, TX, 76203, USAMOE Key Laboratory of Wooden Material Science and Application & Beijing Key Laboratory of Wood Science and Engineering, Beijing Forestry University, Beijing, 100083, China; Corresponding author.State Forestry and Grassland Administration Key Laboratory of Silviculture in Downstream Areas of the Yellow River, College of Forestry, Shandong Agricultural University, Tai'an, 271000, China; Corresponding author.The preparation of a soybean protein adhesive with good prepressing intensity, mildew proof, flame retardant, and high bond strength are conducive to the wide application of a soybean protein adhesive, which is important but challenging for the wood-based panel industry. In this study, two hyperbranched functional polymers were designed. Hyperbranched polyamide (HP) was grafted by 3-hydroxyphenylphosphinyl-propanoic acid (PPA) to obtain PPA@HP and then combined with self-synthesized epoxidized tannin (ETA) to modify the soybean protein adhesive. The hyperbranched functional polymer PPA@HP and ETA reacted with soybean protein to form a hyperbranched cross-linking structure and a hydrogen bond network, which noticeably improved the toughness and bond strength of the adhesive. The wet shear strength of the resultant plywood was improved by 110.9% to 1.35 MPa. The formed hyperbranched hydrogen bond network also significantly improved the prepressing intensity (by 129.0% to 0.71 MPa). In addition, the anti-mildew time increased from 24 h to 120 h. The time to block combustibles increased from 5 s to 80 s, and the limiting oxygen index improved from 23.5% to 38.5%. The use of hyperbranched functional polymers created covalent and non-covalent hybrid networks provides an effective and convenient strategy for developing high-strength and multifunctional composites, such as bio-adhesives, hydrogels, and films.http://www.sciencedirect.com/science/article/pii/S0142941823000119Soybean protein adhesiveHyperbranched functional polymerMultifunctionality
spellingShingle Zheng Liu
Tao Liu
Jieyu Zhang
Yue Li
Jing Luo
Jianzhang Li
Sheldon Q. Shi
Qiang Gao
An Mao
Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
Polymer Testing
Soybean protein adhesive
Hyperbranched functional polymer
Multifunctionality
title Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
title_full Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
title_fullStr Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
title_full_unstemmed Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
title_short Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
title_sort preparation of a strong high prepressing intensity and multifunction soybean protein adhesive by using hyperbranched functional polymer
topic Soybean protein adhesive
Hyperbranched functional polymer
Multifunctionality
url http://www.sciencedirect.com/science/article/pii/S0142941823000119
work_keys_str_mv AT zhengliu preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT taoliu preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT jieyuzhang preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT yueli preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT jingluo preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT jianzhangli preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT sheldonqshi preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT qianggao preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer
AT anmao preparationofastronghighprepressingintensityandmultifunctionsoybeanproteinadhesivebyusinghyperbranchedfunctionalpolymer