A Novel Eco-friendly Blood Meal-based Bio-adhesive: Preparation and Performance

A Novel Eco-friendly Blood Meal-based Bio-adhesive: Preparation and Performance In this reported study, a renewable and eco-friendly blood meal-based (BM) bio-adhesive was developed for the plywood fabrication. Polyvinyl alcohol (PVA), sodium dodecyl sulphate (SDS), and triglycidylamine (TGA) were respectively employed as emulsifier, denaturant and crosslinking agent to modify the BM adhesive. Three-ply plywood was manufactured and its wet shear strength was tested. The solid content, residual rate, functional groups, thermal degradation behavior, and cross section micromorphology of the resulting adhesives were characterized in detail. The experimental results showed that PVA prevented the BM agglomeration, SDS unfolded the structure of protein and then TGA reacted with the exposed active groups in the BM protein molecules, forming a cross-linked structure. As a result, the thermal stability of the modified BM adhesive was improved and the cross section of the cured adhesive was more homogeneous, which enhanced the performance of the adhesive. Consequently, the wet shear strength of the plywood bonded by modified BM adhesive markedly increased by 388% to 1.27 MPa. Compared with soy bean meal-based adhesive, a higher protein content and hydrophobic amino acids content of BM are benefit for fabricating high performance bio-based adhesive, which rendered the BM adhesive practical for plywood industrial application. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Polymers and the Environment Springer Journals

A Novel Eco-friendly Blood Meal-based Bio-adhesive: Preparation and Performance

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Chemistry; Polymer Sciences; Environmental Chemistry; Materials Science, general; Environmental Engineering/Biotechnology; Industrial Chemistry/Chemical Engineering
ISSN
1566-2543
eISSN
1572-8900
D.O.I.
10.1007/s10924-017-0976-7
Publisher site
See Article on Publisher Site

Abstract

In this reported study, a renewable and eco-friendly blood meal-based (BM) bio-adhesive was developed for the plywood fabrication. Polyvinyl alcohol (PVA), sodium dodecyl sulphate (SDS), and triglycidylamine (TGA) were respectively employed as emulsifier, denaturant and crosslinking agent to modify the BM adhesive. Three-ply plywood was manufactured and its wet shear strength was tested. The solid content, residual rate, functional groups, thermal degradation behavior, and cross section micromorphology of the resulting adhesives were characterized in detail. The experimental results showed that PVA prevented the BM agglomeration, SDS unfolded the structure of protein and then TGA reacted with the exposed active groups in the BM protein molecules, forming a cross-linked structure. As a result, the thermal stability of the modified BM adhesive was improved and the cross section of the cured adhesive was more homogeneous, which enhanced the performance of the adhesive. Consequently, the wet shear strength of the plywood bonded by modified BM adhesive markedly increased by 388% to 1.27 MPa. Compared with soy bean meal-based adhesive, a higher protein content and hydrophobic amino acids content of BM are benefit for fabricating high performance bio-based adhesive, which rendered the BM adhesive practical for plywood industrial application.

Journal

Journal of Polymers and the EnvironmentSpringer Journals

Published: Feb 28, 2017

References

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