Temat: Cellular - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The effect of blowing agents on the effectiveness of poly(vinyl chloride) extrusion
Autorzy:: Garbacz, T.
Jachowicz, T.
Tor-Świątek, A.
Powiązania:: https://bibliotekanauki.pl/articles/102478.pdf
Data publikacji:: 2016
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: cellular extrusion
effectiveness
polyvinyl chloride
blowing agents
Opis:: The cellular extrusion is a method for manufacturing profiles, bars, low density cellular coatings and other cellular products that have no hollow cavities on the surface and show minimal processing shrinkage, while their properties are similar to those of products produced by conventional extrusion. The paper deals with cellular extrusion of PVC. The investigation of the process was conducted using state-of-the-art endothermic and exothermic blowing agents that were dosed in up to 1.5% by weight. The experiments involved measuring output, energy consumption and energy efficiency of the process.
Źródło:: Advances in Science and Technology. Research Journal; 2016, 10, 32; 217-223
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Research on the influence of blowing agent on selected properties of extruded cellular products
Autorzy:: Garbacz, T.
Jachowicz, T.
Gajdoš, I.
Kijewski, G
Powiązania:: https://bibliotekanauki.pl/articles/102154.pdf
Data publikacji:: 2015
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: thermoplastics polymers
cellular extrusion
blowing agents
mechanical properties
Opis:: As a part of a more comprehensive research project, the present study was undertaken to investigate the effect of the type and content of blowing agents in the polymeric materials being processed on the structure and selected physical and mechanical properties of the obtained extrusion parts. In the experiment, the content of the blowing agent (0–2.0% by mass), fed into the processed polymer were adopted as a variable factor. In the studies presented in the article, the blowing agents of endothermic decomposition characteristics (Hydrocerol BIH 70, Hydrocerol BM 70) and the exothermic decomposition characteristics (PLC 751) occurring in the granulated form with a diameter of 1.2 to 1.8 mm were used. Based on the results of investigating porosity, porous structure image analysis as well as microscopic examination of the structure, it has been found that the favorable content of the blowing agent in the polymeric material should be of up to 0.8% by mass. With such a content of the blowing agent in the polymeric material, favorable strength properties are retained in porous parts, the pore distribution is uniform and the pores have similar sizes.
Źródło:: Advances in Science and Technology. Research Journal; 2015, 9, 28; 81-88
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Effectiveness of cellular injection molding process
Autorzy:: Garbacz, T.
Dulebova, L.
Krasinskyi, V.
Powiązania:: https://bibliotekanauki.pl/articles/103059.pdf
Data publikacji:: 2013
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: thermoplastics polymers
cellular injection molding process
blowing agents
physical properties
Opis:: In a study of cellular injection, molding process uses polyvinylchloride PVC. Polymers modified with introducing blowing agents into them in the Laboratory of the Department of Technologies and Materiase of Technical University of Kosice. For technological reasons, blowing agents have a form of granules. In the experiment, the content of the blowing agent (0–2,0% by mass) fed into the processed polymer was adopted as a variable factor. In the studies presented in the article, the chemical blowing agents occurring in the granulated form with a diameter of 1.2 to 1.4 mm were used. The view of the technological line for cellular injection molding and injection mold cavity with injection moldings are shown in figure 1. The results of the determination of selected properties of injection molded parts for various polymeric materials, obtained with different content of blowing agents, are shown in Figures 4–7. Microscopic examination of cross-sectional structure of the moldings were obtained using the author’s position image analysis of porous structure. Based on analysis of photographs taken (Figures 7–9) it was found that the coating containing 1.0% of blowing agents is a clearly visible solid outer layer and uniform distribution of pores and their sizes are similar.
Źródło:: Advances in Science and Technology. Research Journal; 2013, 7, 18; 74-80
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Modernization of technological line for cellular extrusion process
Autorzy:: Garbacz, T.
Dulebova, L.
Krasinskyi, V.
Markovicova, L.
Powiązania:: https://bibliotekanauki.pl/articles/102553.pdf
Data publikacji:: 2014
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: cellular extrusion
extrusion head
simultaneous construction
CAD
blowing agents
physical properties
Opis:: In recent years, cellular extrusion of polymers has been one of the fastest growing processing methods. It is used especially to obtain sections, bars, pipes and cellular coatings free from strains on the product surface, displaying reduced density and minimum shrinkage, at the same time maintaining similar properties of products extruded in a conventional way. In order to obtain cellular structure, product properties are modified by application of proper plastics or adding blowing agents. The article provides a description of manufacturing processes of cellular product. It gives characteristics of blowing agents used in the extrusion process and of processing conditions. Also, it discusses selected results of examined properties of the obtained cellular products. As part of the modernization of the cellular extrusion technology the extrusion head was designed and made. During the designing and modeling of the head the Auto CAD programe was used. After the prototyping the extrusion head was tested. In the article specification of cellular extrusion process of thermoplastics was presented. In the research, the endothermal chemical blowing agents in amount 1,0% by mass were used. The quantity of used blowing agent has a direct influence on density and structure of the extruded product of modified polymers. However, these properties have further influence on porosity, impact strength, hardness, tensile strength and another.
Źródło:: Advances in Science and Technology. Research Journal; 2014, 8, 22; 60-65
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Efektywność przetwórstwa porowanych rur osłonowych z PVC
Processing effectiveness of cellular PVC shielding tubes
Autorzy:: Garbacz, T.
Czarnecka-Komorowska, D.
Mencel, K.
Powiązania:: https://bibliotekanauki.pl/articles/279034.pdf
Data publikacji:: 2017
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Inżynierii Materiałów Polimerowych i Barwników
Tematy:: efektywność procesu
wytłaczanie porujące
środki porujące
rurki osłonowe
effectiveness of polymer processing
cellular extrusion
blowing agents
shielding tubes
Opis:: Proces wytłaczania porującego jest metodą przetwórstwa mającą na celu otrzymanie między innymi kształtowników, prętów, rur, powłok porowatych o zmniejszonej gęstości oraz pozbawionych zapadnięć na powierzchni wytłoczyny i wykazujących minimalny skurcz przy jednoczesnym zachowaniu zbliżonych właściwości wytworów wytłaczanych metodą konwencjonalną. W artykule przedstawiono specyfikę procesu wytłaczania porującego PVC. W badaniach procesu wytłaczania porującego zastosowano nowoczesne środki porujące chemicznie o endotermicznym oraz egzotermicznym procesie rozkładu, dozowane w ilości do 1,5% masowych w stosunku do masy tworzywa. Przeprowadzono obszerne badania efektywności procesu wytłaczania porującego obejmujące określenie wydajności procesu, zużycia energii podczas przetwórstwa, sprawności energetycznej wytłaczania porującego.
Cellular extrusion is a method for manufacturing profiles, bars, low density cellular coatings and other cellular products that have no hollow cavities on the surface and show minimal processing shrinkage, while their properties are similar to those of products produced by conventional extrusion. The paper deals with cellular extrusion of PVC. The investigation of the process was conducted using state-of-the-art endothermic and exothermic blowing agents that were dosed in up to 1.5% by weight. The experiments involved measuring output, energy consumption and energy efficiency of the process.
Źródło:: Przetwórstwo Tworzyw; 2017, T. 23, Nr 4 (178), 4 (178); 285-293
1429-0472
Pojawia się w:: Przetwórstwo Tworzyw
Dostawca treści:: Biblioteka Nauki

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