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Description
| - The paper deals with the effects of nucleation on photodegradation of isotactic polypropylene. The starting polymer was modified by a specific α-nucleating/clarifying agent Millad 3988 based on 1,3;2,4-bis(3,4-dimethylbenzylidene) sorbitol. Several concentrations were applied. Samples prepared by compression moulding were then exposed to UV-irradiation. Infrared spectroscopy showed that the degradation kinetics is similar for all the samples. Melting and crystallization behaviour of irradiated samples was followed using a differential scanning calorimetry. In all cases UV-irradiation led to decrease of melting/crystallization temperature as a result of polymer degradation. The surface cracking was observed using polarized light microscopy. The network of the surface cracking was significantly different for neat and nucleated samples.
- The paper deals with the effects of nucleation on photodegradation of isotactic polypropylene. The starting polymer was modified by a specific α-nucleating/clarifying agent Millad 3988 based on 1,3;2,4-bis(3,4-dimethylbenzylidene) sorbitol. Several concentrations were applied. Samples prepared by compression moulding were then exposed to UV-irradiation. Infrared spectroscopy showed that the degradation kinetics is similar for all the samples. Melting and crystallization behaviour of irradiated samples was followed using a differential scanning calorimetry. In all cases UV-irradiation led to decrease of melting/crystallization temperature as a result of polymer degradation. The surface cracking was observed using polarized light microscopy. The network of the surface cracking was significantly different for neat and nucleated samples. (en)
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Title
| - Photodegradation of α-nucleated polypropylene
- Photodegradation of α-nucleated polypropylene (en)
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skos:prefLabel
| - Photodegradation of α-nucleated polypropylene
- Photodegradation of α-nucleated polypropylene (en)
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skos:notation
| - RIV/70883521:28110/09:63508199!RIV10-MSM-28110___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GP106/07/P262), Z(MSM7088352101)
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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/70883521:28110/09:63508199
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - polypropylene; nucleation; photodegradation; crystallization (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
| - 67th Annual Technical Conference of the Society of Plastics Engineers 2009
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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
| - Navrátilová, Jana
- Čermák, Roman
- Vašek, Leoš
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http://linked.open...vavai/riv/typAkce
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http://linked.open.../riv/zahajeniAkce
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http://linked.open...n/vavai/riv/zamer
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number of pages
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http://purl.org/ne...btex#hasPublisher
| - Society of Plastics Engineers, Inc.
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https://schema.org/isbn
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http://localhost/t...ganizacniJednotka
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