Sorption of Liquid Diluents in Polyethylene: Comprehensive Experimental Data for Slurry Polymerization
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F19%3A43919855" target="_blank" >RIV/60461373:22340/19:43919855 - isvavai.cz</a>
Výsledek na webu
<a href="https://pubs.acs.org/doi/10.1021/acs.iecr.9b00377" target="_blank" >https://pubs.acs.org/doi/10.1021/acs.iecr.9b00377</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1021/acs.iecr.9b00377" target="_blank" >10.1021/acs.iecr.9b00377</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Sorption of Liquid Diluents in Polyethylene: Comprehensive Experimental Data for Slurry Polymerization
Popis výsledku v původním jazyce
The thermodynamics of polyolefins in reaction mixtures is of considerable interest because sorption and diffusion in growing polymer particles strongly affect polymerization rate, copolymer composition, and subsequent product degassing. The thermodynamics of polyethylene (PE)/hydrocarbon systems related to gas-phase polymerization was extensively studied and described in the literature. However, such data are not yet available for PE-liquid penetrant systems related to slurry polymerization. Hence, we developed a simple methodology for investigating the solubility of liquid penetrants in polymer samples. Common diluents (n-octane, n-hexane, n-pentane) were sorbed in PE samples of varying density from 902 to 967 kg m(-3). Equilibrium solubilities were obtained by extrapolation from the drying data using the initial slope method. The dependence of liquid n-hexane solubility in PE on temperature (in the range 25-68 degrees C) is the principal outcome of our measurements. Comprehensive measurements provide a unique set of thermodynamic data useful especially for slurry olefin polymerizations.
Název v anglickém jazyce
Sorption of Liquid Diluents in Polyethylene: Comprehensive Experimental Data for Slurry Polymerization
Popis výsledku anglicky
The thermodynamics of polyolefins in reaction mixtures is of considerable interest because sorption and diffusion in growing polymer particles strongly affect polymerization rate, copolymer composition, and subsequent product degassing. The thermodynamics of polyethylene (PE)/hydrocarbon systems related to gas-phase polymerization was extensively studied and described in the literature. However, such data are not yet available for PE-liquid penetrant systems related to slurry polymerization. Hence, we developed a simple methodology for investigating the solubility of liquid penetrants in polymer samples. Common diluents (n-octane, n-hexane, n-pentane) were sorbed in PE samples of varying density from 902 to 967 kg m(-3). Equilibrium solubilities were obtained by extrapolation from the drying data using the initial slope method. The dependence of liquid n-hexane solubility in PE on temperature (in the range 25-68 degrees C) is the principal outcome of our measurements. Comprehensive measurements provide a unique set of thermodynamic data useful especially for slurry olefin polymerizations.
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
20401 - Chemical engineering (plants, products)
Návaznosti výsledku
Projekt
—
Návaznosti
S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2019
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Industrial & Engineering Chemistry Research
ISSN
0888-5885
e-ISSN
—
Svazek periodika
58
Číslo periodika v rámci svazku
17
Stát vydavatele periodika
US - Spojené státy americké
Počet stran výsledku
7
Strana od-do
7037-7043
Kód UT WoS článku
000466988100008
EID výsledku v databázi Scopus
2-s2.0-85065201576