Investigation of methods and modes of processing siberian pine cones in the manufacture of decorative composite material
Abstract
The article discusses the main known methods of processing Siberian pine cones into decorative composite material, developed a technique for creating decorative composite material based on existing methods of processing softwood biomass, investigated the possibility of using adhesives of various types and origin for the manufacture of decorative material, conducted tests of the physical and mechanical properties of the samples obtained.
The scientific novelty of the work lies in the use of glue of natural origin for the manufacture of decorative material with high physical and mechanical characteristics based on the biomass of coniferous wood species. As a result of the three-factor experiment, the optimal hot pressing mode was established, which is characterized by a pressing temperature of 130 ° C, a specific duration of 1.35 min / mm, and a pressing pressure of 1.2 MPa. A comparative analysis of the physical and mechanical properties of samples based on bio-glue, PVA glue and urea-formaldehyde resin showed compliance with the requirements for strength indicators for decorative materials. It has been established that the samples of the material based on urea-formaldehyde resin have the greatest strength indicators, but they have a significant drawback in the form of the release of free formaldehyde from the finished material, which limits the possibilities of its use as a decorative material with healing properties.
About the Authors
A. I. Krivorotova
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii Rabochii prospekt, Krasnoyarsk, 660037
V. D. Eskin
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii Rabochii prospekt, Krasnoyarsk, 660037
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Review
For citations:
Krivorotova A.I., Eskin V.D. Investigation of methods and modes of processing siberian pine cones in the manufacture of decorative composite material. Conifers of the boreal area. 2022;40(5):430-438. (In Russ.)
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