Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Janusz W. Sikora"'
Publikováno v:
Materials, Vol 17, Iss 4, p 840 (2024)
This work presents the synthesis and characterization of new TPUs obtained by melt polyaddition using 1,1′-methanediylbis(4-isocyanatocyclohexane) (HMDI, Desmodur W®), a new unconventional chain extender, i.e., (methanediyldibenze-ne-4,1-diyl)dime
Externí odkaz:
https://doaj.org/article/aad407e7a7d4411ab84ead361c64602d
Publikováno v:
Advances in Sciences and Technology, Vol 15, Iss 4, Pp 231-242 (2021)
The objective of this study was to determine the effect of various design solutions for intensive mixing and shearing elements located at the end of a single-screw plasticizing system on the effectiveness of wood polypropylene composite extrusion. Fo
Externí odkaz:
https://doaj.org/article/51047d0c2d634af8ae3a6580f1f27508
Autor:
Andrzej Puszka, Janusz W. Sikora
Publikováno v:
Materials, Vol 15, Iss 14, p 4940 (2022)
New segmented poly(thiourethane-urethane)s (SPTURs) were synthesized by the reaction of 1,1′-methanediylbis (4-isocyanatocyclohexane) (Desmodur W®, HMDI) and poly(ε-caprolactone)diol (PCL) and (methanediyldibenzene-4,1-diyl)dimethanethiol as nonc
Externí odkaz:
https://doaj.org/article/fc2846f95632497ebe67bab83677284a
Autor:
Andrzej Puszka, Janusz W. Sikora
Publikováno v:
Polymers, Vol 14, Iss 14, p 2933 (2022)
The new segmented poly(thiourethane-urethane)s (PTURs) based on 1,1′-methanediylbis(4-isocyanatocyclohexane) (HMDI, Desmodur W®), polycarbonate diol (PCD, Desmophen C2200) and (methanediyldibenzene-4,1-diyl)dimethanethiol were synthesized by one-s
Externí odkaz:
https://doaj.org/article/0c88ba607b344d7caed9e0415c1236f9
Autor:
Janusz W. Sikora
Publikováno v:
Materials, Vol 15, Iss 9, p 3143 (2022)
The current Special Issue entitled “Processing, structure, dynamics and mechanical properties of polymeric materials” brings together scientists working at universities, research institutes, laboratories and various industries to discuss cutting-
Externí odkaz:
https://doaj.org/article/4f26791e74544cc8bbab7f319083a069
Publikováno v:
Tehnički Vjesnik, Vol 25, Iss 6, Pp 1581-1586 (2018)
This paper reports the results of a study on twin-screw direct extrusion run at a screw speed of 120 rev/min to produce a composite pellet product which was used for an injection molding process and after that subjected to static tensile testing as w
Externí odkaz:
https://doaj.org/article/02d6300b4a494171b085ef2c81e9698c
Publikováno v:
Materials, Vol 14, Iss 10, p 2523 (2021)
Four different plastics were tested: potato starch based plastic (TPS-P)–BIOPLAST GF 106/02; corn starch based plastic (TPS-C)–BioComp BF 01HP; polylactic acid (polylactide) plastic (PLA)—BioComp BF 7210 and low density polyethylene, trade name
Externí odkaz:
https://doaj.org/article/3a27537d085543d6a69fbfc090b49a77
Publikováno v:
Polymers, Vol 11, Iss 5, p 787 (2019)
The aim of the present work is to investigate the effect of halloysite nanotubes (HNT) on the mechanical properties of low-density polyethylene composites modified by maleic anhydride-grafted PE (PE-graft-MA). Polyethylene nanocomposites were prepare
Externí odkaz:
https://doaj.org/article/132828d3313e425e9e377867cd169678
Autor:
Tomasz Jachowicz, Janusz W. Sikora
Publikováno v:
Advances in Sciences and Technology, Vol 7, Iss 19, Pp 79-87 (2013)
This paper presents the rotational molding process. The general principles of this polymer processing technology have been described. The main applications have been introduced and leading advantages and typical disadvantages of rotational molding pr
Externí odkaz:
https://doaj.org/article/a3db4155fbb64e79aa097490c0717780
Publikováno v:
Polymer-Plastics Technology and Materials. :1-15
The paper deals with the investigation results of nanocomposites based on polyamide-6 (PA6) and montmorillonite (MMT) intercalated by polyvinylpyrrolidone (PVP). Nanocomposites were obtained by mix...