Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Jevgenijs JAUNSLAVIETIS"'
Autor:
Sanita Vitolina, Galia Shulga, Brigita Neiberte, Jevgenijs Jaunslavietis, Anrijs Verovkins, Talrits Betkers
Publikováno v:
Polymers, Vol 14, Iss 3, p 468 (2022)
To decrease climate changes, more research focuses on decreasing waste wood biomass (WWB) burning and increasing its conversion into value-added products. The WWB was isolated from model wood processing wastewater with a new hybrid coagulant by the c
Externí odkaz:
https://doaj.org/article/e6a38b88290d45319ba5efa57c91f948
Autor:
Galia SHULGA, Brigita NEIBERTE, Anrijs VEROVKINS, Sanita VITOLINA, Jevgenijs JAUNSLAVIETIS, Jurijs OZOLINS
Publikováno v:
Medžiagotyra, Vol 22, Iss 3, Pp 370-375 (2016)
a wood residue – sawdust of the mechanical processing of aspen (Populus tremula) wood – was used to obtain a short fibre filler in the form of the modified microparticles < 250 µm for polymeric composite materials. To reduce energy input for woo
Externí odkaz:
https://doaj.org/article/c3fcbcb58d4946118726872f0011ee93
Autor:
Jevgenijs Jaunslavietis, Jurijs Ozolins, Martins Kalnins, Galia Shulga, Brigita Neiberte, Anrijs Verovkins, Talrits Betkers
Publikováno v:
Materials Science Forum. 1071:109-116
The growing global request to make green materials nowadays expresses in reducing environmental problems and obtaining biomaterials with high-performed properties. Aside from being carbon neutral, the use of biomass for obtaining green materials cont
Autor:
Galia Shulga, Brigita Neiberte, Sandra Livcha, Vadims Shakels, Jevgenijs Jaunslavietis, Anrijs Verovkins, Sanita Vitolina
Publikováno v:
BioResources. 16:2804-2823
A lignin-containing adhesion enhancer, a water-soluble polyelectrolyte complex (LPEC) composed of soda hardwood lignin (HASL) and polyethylenimine (PEI), and the effect of the treatment of hydrolyzed and ammoxidized aspen sawdust with the LPEC nanopa
Autor:
Jevgenijs Jaunslavietis, Brigita Neiberte, Anrijs Verovkins, Galia Shulga, Mārtiņš Kalniņš, Jurijs Ozolins
Publikováno v:
Key Engineering Materials. 850:81-86
The recycling of paper and paperboard waste for obtaining powder cellulose has a positive impact on environmental and economic benefits due to its possibility to be applied in various fields of industry, including the fabrication of wood-polymer comp
Autor:
Sanita Vitolina, Galia Shulga, Sandra Livcha, Talrits Betkers, Anrijs Verovkins, Jevgenijs Jaunslavietis, Brigita Neiberte
Publikováno v:
Cellulose Chemistry and Technology. 53:945-953
Autor:
Jevgenijs Jaunslavietis, Galia Shulga, Anrijs Verovkins, Brigita Neiberte, Vadims Shakels, Jurijs Ozolins, Sanita Vitolina
Publikováno v:
Key Engineering Materials. 800:200-204
As the demand for sustainable environment friendly materials increases, the biocomposites such as wood-polymer composite (WPC) have gained more attention in past years. Wood wastes and by-products like sawdust, chips, bark and wood residues as well a
Autor:
Talrits Betkers, Galia Shulga, Brigita Neiberte, Sanita Vitolina, Jurijs Ozolins, Anrijs Verovkins, Jevgenijs Jaunslavietis
Publikováno v:
Key Engineering Materials. 762:176-181
In this study, hydrophobic-hydrophilic characteristics, including contact angle and moisture sorption of a modified wood filler and the wood-polymer composites (WPC) containing it was investigated. The wood filler obtained from aspen sawdust was modi
Autor:
Brigita Neiberte, Vadims Shakels, Jurijs Ozolins, Jevgenijs Jaunslavietis, Sanita Vitolina, Anrijs Verovkins, Galia Shulga
Publikováno v:
Solid State Phenomena. 267:68-75
The aim of the study was to evaluate the surface energetic characteristics of wood-polymer composites (WPCs) based on recycled polypropylene (rPP) filled with ammoxidised lignocellulosic microparticles, obtained from aspen sawdust, a by-product of a
Autor:
Galia Shulga, Brigita Neiberte, Jevgenijs Jaunslavietis, Sanita Vitolina, Ján Sedliačik, Anrijs Verovkins, Vadims Shakels
Publikováno v:
Key Engineering Materials. 688:122-130
The aim of this work was to obtain eco-friendly constituents for making wood-polymer composites (WPCs) by rational utilisation of hardwood residue with its mechanical processing and purposeful chemical modification. To reduce the energy input for res