A Tough and Mildew-Proof Soybean-Based Adhesive Inspired by Mussel and Algae

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Describes the development of a strong mold-resistant adhesive by incorporating soybean meal and blood meal.

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14 p.

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Bai, Yue; Liu, Xiaorong; Shi, Sheldon & Li, Jianzhang March 31, 2020.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by the UNT College of Engineering to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times. More information about this article can be viewed below.

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Describes the development of a strong mold-resistant adhesive by incorporating soybean meal and blood meal.

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14 p.

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Abstract: Despite the recent advances in protein-based adhesives, achieving strong adhesion and mold resistance in wet environment is challenging. Herein, a facile fabrication technology of preparing tough bio-adhesive by incorporating soybean meal and blood meal is presented. Inspired by the marine mussel byssi and brown algae, metal coordination was introduced into a loosely bound protein system to construct multiple chemical cross-linking networks. Mixed alkali-modified blood meal (mBM) was mixed with soybean meal, then 1,6-hexane dioldiglycidyl ether (HDE) and zinc ion were introduced to fabricate soybean meal and blood meal-based adhesives. The attained adhesives exhibited good thermal stability, water resistance (the wet shear strength is 1.1 MPa), and mold resistance, with appropriate solid content (34.3%) and relatively low moisture uptake (11.9%). These outstanding performances would be attributed to the reaction of 1,6-hexane dioldiglycidyl ether with protein to form a preliminary cross-linking network; subsequently, the coordination of zinc ions with amino or carboxyl strengthened and toughened the adhesive. Finally, the calcium ions gelled the adhesives, providing cohesion force and making the network structure more compact. This study realized the value-added utilization of protein co-products and developed a new eco-friendly bio-based adhesive.

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  • Polymers, 12(4), Multidisciplinary Digital Publishing Institute, March 2020

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  • Volume: 12
  • Issue: 4
  • Pages: 14
  • Peer Reviewed: Yes
  • Publication Title: Polymers

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  • March 31, 2020

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  • May 11, 2020, 3:41 p.m.

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  • June 30, 2020, 12:03 p.m.

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Bai, Yue; Liu, Xiaorong; Shi, Sheldon & Li, Jianzhang. A Tough and Mildew-Proof Soybean-Based Adhesive Inspired by Mussel and Algae, article, March 31, 2020; [Basel, Switzerland]. (https://digital.library.unt.edu/ark:/67531/metadc1638182/: accessed May 15, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Engineering.

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