Effects of Beta Irradiation, Copolymers, and Blends on the Transformation Rate of Polybutene-1

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F12%3A43867937" target="_blank" >RIV/70883521:28110/12:43867937 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1080/00222348.2011.610253" target="_blank" >http://dx.doi.org/10.1080/00222348.2011.610253</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/00222348.2011.610253" target="_blank" >10.1080/00222348.2011.610253</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effects of Beta Irradiation, Copolymers, and Blends on the Transformation Rate of Polybutene-1

Popis výsledku v původním jazyce

The beta irradiation of polybutene-1 (PB-1) and its random copolymers with ethylene results in sample degradation without chain cross-linking. The crystal structures of both homopolymer and ethylene copolymers were phase I (I), except that for samples ofshort time irradiation, after melting, where phase II (II) was also present. The sample crystallinity decreased from 64% to a low of 45% in the irradiated samples for the condition used. The crystal size/perfection of the transformed I was slightly lower than that of parent II. The beta irradiation increased the transformation rate of II - I but to a lower extent than did the amount of ethylene in the copolymers. IR analysis confirmed that electron irradiation resulted in chain scission and a decreaseof CH2 and CH3 groups. The mechanical properties decreased with increasing ethylene content and irradiation dose.

Název v anglickém jazyce

Effects of Beta Irradiation, Copolymers, and Blends on the Transformation Rate of Polybutene-1

Popis výsledku anglicky

The beta irradiation of polybutene-1 (PB-1) and its random copolymers with ethylene results in sample degradation without chain cross-linking. The crystal structures of both homopolymer and ethylene copolymers were phase I (I), except that for samples ofshort time irradiation, after melting, where phase II (II) was also present. The sample crystallinity decreased from 64% to a low of 45% in the irradiated samples for the condition used. The crystal size/perfection of the transformed I was slightly lower than that of parent II. The beta irradiation increased the transformation rate of II - I but to a lower extent than did the amount of ethylene in the copolymers. IR analysis confirmed that electron irradiation resulted in chain scission and a decreaseof CH2 and CH3 groups. The mechanical properties decreased with increasing ethylene content and irradiation dose.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CD - Makromolekulární chemie

OECD FORD obor

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Projekt

<a href="/cs/project/ED2.1.00%2F03.0089" target="_blank" >ED2.1.00/03.0089: Centrum bezpečnostních, informačních a pokročilých technologií (CEBIA-Tech)</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Macromolecular Science, Part B

ISSN

0022-2348

e-ISSN

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Svazek periodika

51

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

20

Strana od-do

926-945

Kód UT WoS článku

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EID výsledku v databázi Scopus

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