The relation between relaxed enthalpy and volume during physical aging of amorphous polymers and selenium
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F06%3A63504667" target="_blank" >RIV/70883521:28110/06:63504667 - isvavai.cz</a>
Alternative codes found
RIV/67985874:_____/06:00053706
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
The relation between relaxed enthalpy and volume during physical aging of amorphous polymers and selenium
Original language description
This paper reports physical aging results for PMMA, PMMA/PEO blends, PS, PC, PVC, and PET (semicrystalline). Also included in this study is amorphous selenium. Temperature down-jumps from equilibrium above Tg to a temperature below Tg were carried out. Relaxed enthalpy, ?h, and volume contraction, ?v, were measured. From the aging records, the constant ratio ?h/?v=Ka was evaluated. For the polymeric samples Ka values of about 2 GPa were observed, thus similar to the inverse value of the isothermal compressibility close to Tg. Similarly for Se the Ka value obtained from ?h and ?v was in fair agreement with its isothermal compressibility.
Czech name
Vztah mezi relaxovanou entalpií a objemem v průběhu fyzikálního stárnutí amorfních polymerů a selenu
Czech description
Tento článek presentuje data pro PMMA, PMMA/PEO směsi, PC, PVC a PET. Zahrnuje i amorfní selen. Teplotní sestupné skoky z rovnováhy nad Tg na teploty pod Tg byly zkoumány. Relaxační entalpie a objem byly měřeny. Z relaxačních experimentů konstantní poměrKa byl spočítán. Polymerní vzorky dávají hodnotu 2GPa, podobné hodnotě kompresibility v blízkosti Tg. Podobné výsledky byly dosaženy pro Se.
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JJ - Other materials
OECD FORD branch
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Result continuities
Project
<a href="/en/project/IAA2060401" target="_blank" >IAA2060401: The effect of inner pressure on thermomechanical properties of polymers in the course of physical ageing</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2006
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
European Polymer Journal
ISSN
0014-3057
e-ISSN
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Volume of the periodical
42
Issue of the periodical within the volume
10
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
14
Pages from-to
2824-2837
UT code for WoS article
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EID of the result in the Scopus database
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