Physical and Mechanical Properties of Cardboard Processed by Biomodified Gluten

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UDС

676.73

DOI:

10.17238/issn0536-1036.2017.6.135

Abstract

Traditional plastics (polyethylene, polypropylene, polystyrene, polyethylene terephthalate) are usually applied to reinforce fibrous materials in dry and wet conditions, and formalde-hyde resins are also introduced into the composition. However, such fibrous materials are not easily recycled and are not subject to cost-effective disposal. In this regard, the search for polymeric substances to improve the properties of fibrous materials is very relevant. The goal of research is to develop a method for enzymatic treatment of plant proteins to improve the physical and mechanical and deformation characteristics of fibrous materials. We use wheat gluten, obtained from renewable sources of plant raw materials, as plant protein. In accordance with the goal, a biocatalytic method for treating gluten is developed. This mech-anism allows obtaining a biopolymer with the necessary rheological properties, which is technologically suitable for application to fibrous materials. The effect of enzymatic prepa-rations of proteolytic and xylanase action on the physical and mechanical and deformation characteristics of fibrous materials is demonstrated. Biomodification of plant biopolymer - gluten, allows reducing energy consumption and producing biodegradable fibrous materials. The practical importance of the article is due to the replacement of formaldehyde resins used for the production of nonwovens, paper, cardboard, fiberboard with biomodified plant pol-ymers. Gluten impregnation of fibrous material, treated with enzyme preparations, increases the strength and deformation characteristics: extensibility - up to 29 %, stiffness - up to 96 %, crippling load - up to 54 %, wet-strength - up to 54 % in comparison with check samples. The obtained results show the potential application of gluten biocatalytic treatment to improve the physical and mechanical properties of paper and cardboard.

Authors

I.V. Zakharov1, Postgraduate Student
N.L. Zakharova1, Postgraduate Student
A.V. Kanarskiy1, Doctor of Engineering Sciences, Professor
E.O. Okulovа2, Postgraduate Student
Ya.V. Kazakov2, Doctor of Engineering Sciences, Associate Professor
D.A. Dul’kin2, Doctor of Engineering Sciences, Professor

Affiliation

1Kazan National Research Technological University, ul. K. Marksa, 68, Kazan, 420015, Russian Federation; e-mail: zaharvv1991@mail.ru, nlzaharova@mail.ru, alb46@mail.ru
2Northern (Arctic) Federal University named after M.V. Lomonosov, Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russian Federation; e-mail: j.kazakov@narfu.ru

Keywords

gluten, enzymatic treatment of gluten, cardboard, physical and mechanical properties of cardboard

For citation

Zakharov I.V., Zakharova N.L., Kanarskiy A.V., Okulovа E.O., Kazakov Ya.V., Dul’kin D.A. Physical and Mechanical Properties of Cardboard Processed by Bio-modified Gluten. Lesnoy zhurnal [Forestry journal], 2017, no. 6, pp. 135–144. DOI: 10.17238/issn0536-1036.2017.6.135

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Received on September 16, 2017