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- W2743157306 abstract "This master thesis deals with the effect of sample age on the phase transformation II to I of isotactic polybutene - 1. In the theoretical section the attention is paid to the isotactic polybutene-1, its properties and the phase transition of II to I, which influences its properties and dimensions. The X- ray diffraction measurements is described later. The practical part describes the sample preparation, data analysis and further the discussion. For the X ray diffraction data evaluation the method of new calculation was established, which will assist easier data analysis. The sample PB 0110M did not recrystallize fully even after 10 years in contrary to PB 0400M sample. This might be caused by shorter macromolecular chains. In case of both samples the up to 3 times increasing phase transition II to I half-time with increasing sample age was observed: the new sample PB 0110M has the half time 35,9 hours, but the 10 years old sample 123,1 hours." @default.
- W2743157306 created "2017-08-17" @default.
- W2743157306 creator A5032700177 @default.
- W2743157306 date "2014-02-10" @default.
- W2743157306 modified "2023-09-23" @default.
- W2743157306 title "Vliv stárnutí na přechod II - I u isotaktického PB - 1" @default.
- W2743157306 hasPublicationYear "2014" @default.
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