The Influence of nucleating agents and process parameters on phase structure of isotactic polypropylene and its Copolymer with 3% ethylene
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F16%3A43874581" target="_blank" >RIV/70883521:28110/16:43874581 - isvavai.cz</a>
Result on the web
—
DOI - Digital Object Identifier
—
Alternative languages
Result language
angličtina
Original language name
The Influence of nucleating agents and process parameters on phase structure of isotactic polypropylene and its Copolymer with 3% ethylene
Original language description
The homopolymer of the isotactic polypropylene (iPP) and the random copolymer of the isotactic polypropyleneand 3% ethylene (iPPE) were used in this study. Isotactic polypropylene can be prepared in α, β and γ morphologicalphases depending on its crystallization conditions. The phase β content has a strong influence on mechanical,optical and thermal properties. The samples with nucleating agents (NA) α and β were used. Various processparameters were used to prepare melted samples: two thicknesses and three different cooling regimes. Wide-angleX-ray scattering (WAXD) and scanning electron microscopy (SEM) were used to investigate the phase structure.The results show that iPP without nucleation agents (4mm, <1oC /min) has the highest crystallinity (83.7%). Thesample of iPP with β-NA (4mm, <1oC /min) has the highest phase β (61.3%); the slower cooling regime and thehigher thickness increased the crystallinity (73.3%). iPPE with β-NA (0.4mm, 15oC /min) has the lower amount ofthe phase β (33.8%); the higher thickness and slower cooling regime decreased the amount of the phase β (7.1%)however the crystalline content of iPPE (63.7%) is increased.
Czech name
—
Czech description
—
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CD - Macromolecular chemistry
OECD FORD branch
—
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Manufacturing Technology
ISSN
1213-2489
e-ISSN
—
Volume of the periodical
16
Issue of the periodical within the volume
1
Country of publishing house
CZ - CZECH REPUBLIC
Number of pages
4
Pages from-to
103-106
UT code for WoS article
—
EID of the result in the Scopus database
2-s2.0-84976466913