Properties of Particleboards Manufactured from Low-Grade Wood by Using a Shungite Modified Binder


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The results of testing one-ply and three-ply particleboards manufactured by using a shungite modified binder are presented. Stress limits under bending and stretching, as well as parameters of water resistance were determined. The particle boards were manufactures from low-grade wood shavings. Ultradispersed powder of nanoscaled shungite was used as a modifying agent for the urea-formaldehyde resin based binder. Properties of particleboards samples were determined by standard methods. Best parameter values of physical and mechanical properties were observed for samples of one-ply and three-ply boards when the modifying agent mass fraction at binder was 10 %. At this concentration the ultimate stress limits under static bending increased by 41% and 12% for one-ply and three-ply boards, respectively. The increase of ultimate stress limits under stretching was 104% and 12% for one-ply and three-ply boards, respectively. Addition of ultradispersed powder of nanoscaled shungite increases boards’ water resistance. The modifying agent reduces 24-hour swelling of one-ply and three-ply boards by 32% and by 20%, respectively. The water absorption of all types of particle boards reduced up to 50%



Edited by:

Dr. Denis Solovev




N. G. Panov et al., "Properties of Particleboards Manufactured from Low-Grade Wood by Using a Shungite Modified Binder", Materials Science Forum, Vol. 945, pp. 453-458, 2019

Online since:

February 2019




* - Corresponding Author

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