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Description
| - Je známo, že struktura a výsledné vlastnosti vstřikovaného polypropylénu jsou úzce spojeny s procesními podmínkami. Tato práce je zaměřena na sledování vlivu teploty formy (MT) na strukturu a vlastnosti vzorků vstřikovaných z čistého (alfa-iPP) a beta nukleovaneho polyppropylenu (beta-iPP). Čistý iPP a iPP s obsahem nuklečního činidla 0,03 hmotnostních % byl vstřikován v teplotním rozsahu 40-120 oC. Studium polymorfní kompozice pomocí rentgenografie nepotvrdilo výrazný vliv teploty formy na strukturu, nicméně bylo zjištěno, že teplota formy výrazně ovlivňuje mechanické vlastnosti obou, alfa i beta polypropylénu. (cs)
- It is well known that structure and resulting properties of injection-moulded polypropylenes are closely associated with processing conditions. Consequently, this work is focused on influence of the mould temperature (MT) on structure and properties of the specimens injection-moulded from neat (alfa-iPP) and beta nucleated isotactic polypropylene (beta-iPP). Neat and 0.03 wt. % of beta nucleator doped iPP was solidified in the range of mould temperatures of 40-120 °C. Polymorphic composition studied by means of wide-angle X-ray scattering did not show significant sensitivity to MT. On the contrary, moulding temperature notably influenced mechanical behaviour of both alfa-iPP and beta-iPP specimens.
- It is well known that structure and resulting properties of injection-moulded polypropylenes are closely associated with processing conditions. Consequently, this work is focused on influence of the mould temperature (MT) on structure and properties of the specimens injection-moulded from neat (alfa-iPP) and beta nucleated isotactic polypropylene (beta-iPP). Neat and 0.03 wt. % of beta nucleator doped iPP was solidified in the range of mould temperatures of 40-120 °C. Polymorphic composition studied by means of wide-angle X-ray scattering did not show significant sensitivity to MT. On the contrary, moulding temperature notably influenced mechanical behaviour of both alfa-iPP and beta-iPP specimens. (en)
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Title
| - Vlastnosti čistého a beta-nukleovaného vstřikovaného polypropylénu v souvislosti s teplotou vstřikovací formy (cs)
- Properties of Injection Moulded Pure and Beta-Polypropylenes in Relation to Mould Temperature
- Properties of Injection Moulded Pure and Beta-Polypropylenes in Relation to Mould Temperature (en)
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skos:prefLabel
| - Vlastnosti čistého a beta-nukleovaného vstřikovaného polypropylénu v souvislosti s teplotou vstřikovací formy (cs)
- Properties of Injection Moulded Pure and Beta-Polypropylenes in Relation to Mould Temperature
- Properties of Injection Moulded Pure and Beta-Polypropylenes in Relation to Mould Temperature (en)
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skos:notation
| - RIV/70883521:28110/04:63502296!RIV/2005/GA0/281105/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/70883521:28110/04:63502296
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - beta polypropylene; injection moulding; morphology; tensile properties (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...v/mistoKonaniAkce
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http://linked.open...i/riv/mistoVydani
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http://linked.open...i/riv/nazevZdroje
| - 8th International Research/Expert Trends Conference %22 TMT%22
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Habrová, Veronika
- Čermák, Roman
- Obadal, Martin
- Polášková, Martina
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http://linked.open...vavai/riv/typAkce
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http://linked.open.../riv/zahajeniAkce
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number of pages
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http://purl.org/ne...btex#hasPublisher
| - Faculty of Mechanical Engineering
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https://schema.org/isbn
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http://localhost/t...ganizacniJednotka
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