A Modified Glue for Producing Particle Boards and Boards Based on Waste of Annual Plants

Ugryumov, S. A.; Varankina, G. S.; Chubinskii, A. N.; Katsadze, V. A.

doi:10.1134/s1995421219030249

Cited by 1 publication

(1 citation statement)

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“…During the hydrolysis of wood waste is formed -technical hydrolytic lignin (THL). To date, the enterprises have accumulated many millions of tons of hydrolytic lignin [1][2][3][4][5][6]. Lignin, along with cellulose and protein substances, is one of the most common natural polymers, which in itself determines the significance of research aimed at understanding its nature and behavior in chemical reactions.…”

Section: Introductionmentioning

confidence: 99%

Possibilities of using hydrolytic lignin in the production of wood-splicing materials

2021

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The problem of improving the environmental safety of the waste management system of chemical processing of biomass of wood is quite acute in every forest producing and timber processing region. Study of the possibility of using to investigate hydrolytic lignin as a modifier of phenol-formaldehyde resin for the production of plywood have been conducted. Used materials: phenol-formaldehyde resin SFZh-3013; technical hydrolyzed lignin. Mathematical models of the process of pressing glued plywood were developed and the optimal parameters for the production of plywood were determined based on the use of SFZh-3013 resin modified with hydrolytic lignin. The optimal mode of pressing is: the amount of injected hydrolytic lignin in the SFZh-3013 resin grade is 5-10 parts by weight; pressing pressure 1.6 MPa, pressing temperature 135 °C and pressing time 9-10 minutes. The introduction of regimes developed using regression equations, with a sufficient degree of accuracy describing the pressing process, will significantly improve the efficiency of plywood production by saving energy and material costs and preserving product quality.

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