Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Krystyna Czaja"'
Publikováno v:
BioResources, Vol 11, Iss 3, Pp 6211-6231 (2016)
This study describes the properties of thermoplastic polymer composites based on polyethylene (of low and high density) and ethylene-propylene copolymers using various types of conifer needles (pine, spruce, fir, and cedar) as fillers. For the needle
Externí odkaz:
https://doaj.org/article/5004359c4206439a9085d9f94029e21f
Publikováno v:
Polymer Composites. 43:987-997
Halloysite nanotubes (HNT) and montmorillonite (Mt) were modified by a novel, dicarboxylic fatty acid substituted amido-imidazolium chloride. It was found that the modification process of the clays by the imidazolium compound improved their dispersio
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 142(4):1447-1456
This paper reported thermal properties of ethylene copolymers with di- and tri-alkenylsilsesquioxanes (POSS) synthesized by bis(phenoxy-imine) Ti, Zr, V, and V salen-type complexes. Ethylene copolymers with multi-alkenyl POSS obtained by such complex
Publikováno v:
Polymers; Volume 14; Issue 6; Pages: 1200
Ionic liquids (ILs) were used for the first time as catalysts for the glycerin condensation reaction. A series of imidazolium and ammonium ionic liquids differing in the length of the alkyl substituent (C2, C12, and C14) and the type of anion (Br−,
Autor:
Krystyna Czaja, Marzena Białek
Publikováno v:
Materials. 16:1876
This paper is a review of studies on the use of the polyhedral oligomeric silsesquioxanes (POSS) of various structures in the synthesis of polyolefins and the modification of their properties, namely: (1) components of organometallic catalytic system
Publikováno v:
Polymer Composites. 40(11):4351-4361
High‐density polyethylene (HDPE) composites filled with silicon‐based fillers were prepared by melt blending. The use of non‐functionalized and n‐octyl‐functionalized siloxane‐silsesquioxane resins and the sol‐gel silicas as fillers all
Autor:
Katarzyna Adamczyk-Tomiak, Stanisław Rabiej, Arkadiusz Niemczyk, Michał Dutkiewicz, Roman Szatanik, Katarzyna Dziubek, Krystyna Czaja
Publikováno v:
Polymer Composites. 40(S1):350-364
High-density polyethylene (HDPE) and low-density polyethylene (LDPE) nanocomposites filled with octakis({alkyl}dimethylsiloxy)octasilsesquioxanes (POSS) were prepared by the melt blending method. The effects of the structure and the content of POSS n
Publikováno v:
Polymer Degradation and Stability. 161:30-38
Non-functionalized and n-alkyl functionalized polyhedral oligomeric silsesquioxanes (POSS), siloxane-silsesquioxane resins and the sol-gel silicas were for the first time examined as possible UV-stabilizers and/or antioxidants in polypropylene (PP).
Autor:
Roman Szatanik, Arkadiusz Niemczyk, Mariusz Szołyga, Krystyna Czaja, Stanisław Rabiej, Katarzyna Dziubek
Publikováno v:
Polymer Composites. 40:3101-3114
Non‐functionalized and n‐alkyl‐functionalized siloxane‐silsesquioxane resins (S4SQ) were synthesized and characterized to confirm their structure and properties. Polypropylene (PP) composites with S4SQ resins as fillers were prepared by the m
Publikováno v:
Applied Catalysis A: General. 567:122-131
In copolymerization of ethylene (E) with tri-alkenyl-silsesquioxanes (POSS-6-3 and POSS-10-3) were used bis(phenoxy-imine) titanium, zirconium and vanadium catalysts, as well as salen-type vanadium catalysts. There were obtained copolymers with POSS-