DBPapers

SHUNGITE NANOPOWDER ADDITIVE INFLUENCE ON TENSILE STRENGTH OF ONE-PLY PARTICLE BOARDS

N. Panov, A. Pitukhin, G. Kolesnikov, S. Vasilyev, V. Shilovsky
Wednesday 19 December 2018 by Libadmin2018

ABSTRACT

Particle boards are increasingly being used as a structural material. The quality of the wood from which they are made, has been steadily declining. This provides the means for tackling possible ways of particle board mechanical properties preservation and improvement. The methods and results of experimental investigation on the additive influence of shungite nanopowder whenmixed in the glue for one-ply particle board are presented in the article. Wooden particles of coniferous and hardwood species as well as glue solution based on carbamide-formaldehyde resin were used for boards manufacturing. The shungite nanopowder contained particles on the average 100 nm by the size and specific surface 120...150 m2/g was used in experiment. The samples were tested to determine their physical-mechanical properties. It was found that 10 % shungite nanopowder additive increases the breaking point of one-ply particle board under tensile stress by 204 %.

Keywords:Particle boards, shungite nanopowder, tensile strength.


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