Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Marianna Laka"'
Autor:
Oskars Platnieks, Sergejs Gaidukovs, Anda Barkane, Aleksandrs Sereda, Gerda Gaidukova, Liga Grase, Vijay Kumar Thakur, Inese Filipova, Velta Fridrihsone, Marite Skute, Marianna Laka
Publikováno v:
Polymers, Vol 12, Iss 7, p 1472 (2020)
Biodegradable polymer composites from renewable resources are the next-generation of wood-like materials and are crucial for the development of various industries to meet sustainability goals. Functional applications like packaging, medicine, automot
Externí odkaz:
https://doaj.org/article/40372a3fe41549a792923183ccb2ee30
Autor:
Oskars Platnieks, Sergejs Gaidukovs, Anda Barkane, Gerda Gaidukova, Liga Grase, Vijay Kumar Thakur, Inese Filipova, Velta Fridrihsone, Marite Skute, Marianna Laka
Publikováno v:
Molecules, Vol 25, Iss 1, p 121 (2019)
We report the manufacturing and characterization of poly (butylene succinate) (PBS) and micro cellulose (MCC) woody-like composites. These composites can be applied as a sustainable woody-like composite alternative to conventional fossil polymer-base
Externí odkaz:
https://doaj.org/article/ddec733c68d0413ababadd18e997de30
Autor:
Marianna LAKA, Svetlana CHERNYAVSKAYA, Galia SHULGA, Viktor SHAPOVALOV, Andrej VALENKOV, Marina TAVROGINSKAYA
Publikováno v:
Medžiagotyra, Vol 17, Iss 2, Pp 150-154 (2011)
The composites, containing recycled polypropylene and fillers, obtained from different lignocellulosics by the thermocatalytic destruction method, were investigated. Birch sawdust, newsprint wastes, cotton residues and wood bleached sulphate pulp wer
Externí odkaz:
https://doaj.org/article/6c5de90206184e0fa7e790e9578be56f
Autor:
Svetlana Chernyavskaya, Marianna Laka
Publikováno v:
BioResources, Vol 2, Iss 4, Pp 583-589 (2007)
Conditions for obtaining microcrystalline cellulose (MCC) by the thermocatalytic method from hardwood (birch, aspen) and softwood (pine) bleached sulphate pulp have been developed. After thermocatalytic treatment, cellulose polymerization degree has
Externí odkaz:
https://doaj.org/article/4934fee5df9c484aac699df89089c67b
Autor:
Velta Fridrihsone, Igors Sivacovs, Inese Filipova, Uldis Grinfelds, Juris Zoldners, Martins Spade, Marianna Laka, Marite Skute
Publikováno v:
Cellulose Chemistry and Technology. 54:1031-1036
Nano- and microparticles were produced from hemp shives and hemp cellulose obtained thereof, using the thermocatalytic mechanical destruction method. The partially destructed material, at concentrations of 8-9%, was dispersed in water medium in a bal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb3adc0aac2c8a1734a08364b29b3f02
https://doi.org/10.35812/cellulosechemtechnol.2020.54.100
https://doi.org/10.35812/cellulosechemtechnol.2020.54.100
Autor:
Marianna Laka, Inese Filipova, Marite Skute, Martins Spade, Velta Fridrihsone, Juris Zoldners, Uldis Grinfelds, Igors Sivacovs
Publikováno v:
Cellulose Chemistry and Technology. 54:113-117
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5040777854f59bd65c7001a0b74ae3cf
https://doi.org/10.35812/cellulosechemtechnol.2020.54.13
https://doi.org/10.35812/cellulosechemtechnol.2020.54.13
Autor:
Velta Fridrihsone, Martins Spade, Juris Zoldners, Inese Filipova, Igors Sivacovs, Marianna Laka, Marite Skute, Uldis Grinfelds
Publikováno v:
Key Engineering Materials. 800:138-144
Recycling of paper materials or other type of cellulose fibres is important regarding saving nature resources and environmental protection. Cellulose dissolution and regenerating from various materials is one of recycling possibilities. Cellulose dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c701b3abeac4f9dead7ae5791fa94915
https://doi.org/10.4028/www.scientific.net/kem.800.138
https://doi.org/10.4028/www.scientific.net/kem.800.138
Autor:
Liga Grase, Marite Skute, Marianna Laka, Oskars Platnieks, Sergejs Gaidukovs, Gerda Gaidukova, Inese Filipova, Vijay Kumar Thakur, Anda Barkane, Velta Fridrihsone
Publikováno v:
Molecules
Volume 25
Issue 1
Molecules, Vol 25, Iss 1, p 121 (2019)
Volume 25
Issue 1
Molecules, Vol 25, Iss 1, p 121 (2019)
We report the manufacturing and characterization of poly (butylene succinate) (PBS) and micro cellulose (MCC) woody-like composites. These composites can be applied as a sustainable woody-like composite alternative to conventional fossil polymer-base
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f6a93c05832ffdf225b656ce469f9cf
Autor:
Laura Andze, Juris Zoldners, Sarmite Janceva, Marite Skute, Linda Vecbiškena, Uldis Grinfelds, Marianna Laka, Inese Sable, Velta Fridrihsone
Publikováno v:
Solid State Phenomena. 267:12-16
For reinforcing of paper, nanoparticle gels from black alder, birch and pine bark were obtained. Non-extracted bark and that extracted in biorefinery were used. For producing nanoparticles, the materials were destructed using the thermocatalytic dest
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7589627d45781b2e64dec3ca10a8841
https://doi.org/10.4028/www.scientific.net/ssp.267.12
https://doi.org/10.4028/www.scientific.net/ssp.267.12
Preparation of Nanocellulose Using Ammonium Persulfate and Method’s Comparison with other Techniques
Autor:
Linda Rozenberga, Inese Sable, Uldis Grinfelds, Marianna Laka, Laura Vikele, Linda Vecbiškena
Publikováno v:
Key Engineering Materials. 674:21-25
Cellulose nanocrystals (CNCs) have generated increasing attention in the past few years as potential sources of innovative bionanomaterials. This study focuses on an alternative method of nanocellulose particle preparation, using ammonium persulfate,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bebaab137cfba79f7e65ca690fc3928
https://doi.org/10.4028/www.scientific.net/kem.674.21
https://doi.org/10.4028/www.scientific.net/kem.674.21