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Ispitivanje mehaničkih osobina polivinil-hlorida sa dodatkom modifikovanog kalcita kao punioca

Mechanical properties of polyvinyl chloride mixtures with the addition of modified calcite as filler

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2012
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Authors
Mihajlović, Slavica
Sekulić, Živko
Vučinić, Dušica
Jovanović, Vladimir
Kolonja, Božo M.
Article (Published version)
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Abstract
U radu su prikazani rezultati ispitivanja mehaničkih osobina (zatezna čvrstoća, zatezno izduženje, prekidna čvrstoća i prekidno izduženje) na PVC mešavinama koje sadrže PVC (polivinil-hlorid), stabilizator, klizno sredstvo i punilac. Kao punilac korišćen je nemodifikovani kalcit i uzorci kalcita modifikovani stearinskom kiselinom suvim i mokrim postupkom. Rezultati ispitivanja su pokazali da PVC mešavina, koja sadrži kalcit modifikovan mokrim postupkom ima bolje mehaničke osobine od one mešavine koja sadrži kalcit modifikovan suvim postupkom. Tako je čvrstoća pri zatezanju PVC mešavine koja sadrži kalcit modifikovan sa 1,5% stearinske kiseline mokrim postupkom za 2,84% veća u odnosu na čvrstoću pri zatezanju PVC mešavine, koja sadrži kalcit modifikovan sa istim sadržajem stearinske kiseline, ali suvim postupkom.
In this study, mechanical properties of PVC mixtures (PVC, stabilizer, lubricant and filler) such as tensile strength, tensile elongation, breaking strength and breaking elongation were investigated. Unmodified calcite, as well as calcite modified by stearic acid, were used as fillers in wet and dry processes. The PVC mixtures containing the calcite modified by wet procedure had better mechanical properties compared to those with the calcite modified by the dry process. Tensile and breaking strength of the PVC mixture containing the calcite modified with 1.5% stearic acid using the wet process were higher for 2.8 and 5.2%, respectively, compared to the PVC mixture containing the calcite modified with the same amount of acid used in the dry process. The tensile strength difference between the mixtures increased with the increase of the concentration of used stearic acid up to 3%. The strength of PVC mixture with the calcite modified by the wet process was 3.1% higher compared to the mix...ture containing calcite modified by dry process. The results showed that the bonding strength between calcite and the adsorbed organic component affected tensile strength, tensile elongation and breaking strength of the PVC mixtures. The best filler was obtained by wet modification using 1.5% stearic acid solution that provided the formation of a stearate monolayer chemisorbed on calcite. The PVC mixtures containing the calcite modified by wet process using 1.5% stearic acid solution exhibited the best mechanical properties. This calcite was completely hydrophobic with dominant chemically adsorbed surfactant, which means that stearate chemisorbed on calcite provided stronger interaction in the calcite-stearic acid-PVC system.

Keywords:
suvi postupak / stearinska kiselina / PVC / mokri postupak / mehaničke osobine / kalcit / wet process / stearic acid / PVC / mechanical properties / dry process / calcite
Source:
Hemijska industrija, 2012, 66, 5, 787-794
Publisher:
  • Savez hemijskih inženjera, Beograd
Funding / projects:
  • Development of technological processes for obtaining of ecological materials based on nonmetallic minerals (RS-34013)
  • Mechanochemistry treatment of low quality mineral raw materials (RS-34006)

DOI: 10.2298/HEMIND111115025M

ISSN: 0367-598X

WoS: 000314735800020

Scopus: 2-s2.0-84869472085
[ Google Scholar ]
1
URI
https://ritnms.itnms.ac.rs/handle/123456789/227
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovina
TY  - JOUR
AU  - Mihajlović, Slavica
AU  - Sekulić, Živko
AU  - Vučinić, Dušica
AU  - Jovanović, Vladimir
AU  - Kolonja, Božo M.
PY  - 2012
UR  - https://ritnms.itnms.ac.rs/handle/123456789/227
AB  - U radu su prikazani rezultati ispitivanja mehaničkih osobina (zatezna čvrstoća, zatezno izduženje, prekidna čvrstoća i prekidno izduženje) na PVC mešavinama koje sadrže PVC (polivinil-hlorid), stabilizator, klizno sredstvo i punilac. Kao punilac korišćen je nemodifikovani kalcit i uzorci kalcita modifikovani stearinskom kiselinom suvim i mokrim postupkom. Rezultati ispitivanja su pokazali da PVC mešavina, koja sadrži kalcit modifikovan mokrim postupkom ima bolje mehaničke osobine od one mešavine koja sadrži kalcit modifikovan suvim postupkom. Tako je čvrstoća pri zatezanju PVC mešavine koja sadrži kalcit modifikovan sa 1,5% stearinske kiseline mokrim postupkom za 2,84% veća u odnosu na čvrstoću pri zatezanju PVC mešavine, koja sadrži kalcit modifikovan sa istim sadržajem stearinske kiseline, ali suvim postupkom.
AB  - In this study, mechanical properties of PVC mixtures (PVC, stabilizer, lubricant and filler) such as tensile strength, tensile elongation, breaking strength and breaking elongation were investigated. Unmodified calcite, as well as calcite modified by stearic acid, were used as fillers in wet and dry processes. The PVC mixtures containing the calcite modified by wet procedure had better mechanical properties compared to those with the calcite modified by the dry process. Tensile and breaking strength of the PVC mixture containing the calcite modified with 1.5% stearic acid using the wet process were higher for 2.8 and 5.2%, respectively, compared to the PVC mixture containing the calcite modified with the same amount of acid used in the dry process. The tensile strength difference between the mixtures increased with the increase of the concentration of used stearic acid up to 3%. The strength of PVC mixture with the calcite modified by the wet process was 3.1% higher compared to the mixture containing calcite modified by dry process. The results showed that the bonding strength between calcite and the adsorbed organic component affected tensile strength, tensile elongation and breaking strength of the PVC mixtures. The best filler was obtained by wet modification using 1.5% stearic acid solution that provided the formation of a stearate monolayer chemisorbed on calcite. The PVC mixtures containing the calcite modified by wet process using 1.5% stearic acid solution exhibited the best mechanical properties. This calcite was completely hydrophobic with dominant chemically adsorbed surfactant, which means that stearate chemisorbed on calcite provided stronger interaction in the calcite-stearic acid-PVC system.
PB  - Savez hemijskih inženjera, Beograd
T2  - Hemijska industrija
T1  - Ispitivanje mehaničkih osobina polivinil-hlorida sa dodatkom modifikovanog kalcita kao punioca
T1  - Mechanical properties of polyvinyl chloride mixtures with the addition of modified calcite as filler
EP  - 794
IS  - 5
SP  - 787
VL  - 66
DO  - 10.2298/HEMIND111115025M
UR  - conv_298
ER  - 
@article{
author = "Mihajlović, Slavica and Sekulić, Živko and Vučinić, Dušica and Jovanović, Vladimir and Kolonja, Božo M.",
year = "2012",
abstract = "U radu su prikazani rezultati ispitivanja mehaničkih osobina (zatezna čvrstoća, zatezno izduženje, prekidna čvrstoća i prekidno izduženje) na PVC mešavinama koje sadrže PVC (polivinil-hlorid), stabilizator, klizno sredstvo i punilac. Kao punilac korišćen je nemodifikovani kalcit i uzorci kalcita modifikovani stearinskom kiselinom suvim i mokrim postupkom. Rezultati ispitivanja su pokazali da PVC mešavina, koja sadrži kalcit modifikovan mokrim postupkom ima bolje mehaničke osobine od one mešavine koja sadrži kalcit modifikovan suvim postupkom. Tako je čvrstoća pri zatezanju PVC mešavine koja sadrži kalcit modifikovan sa 1,5% stearinske kiseline mokrim postupkom za 2,84% veća u odnosu na čvrstoću pri zatezanju PVC mešavine, koja sadrži kalcit modifikovan sa istim sadržajem stearinske kiseline, ali suvim postupkom., In this study, mechanical properties of PVC mixtures (PVC, stabilizer, lubricant and filler) such as tensile strength, tensile elongation, breaking strength and breaking elongation were investigated. Unmodified calcite, as well as calcite modified by stearic acid, were used as fillers in wet and dry processes. The PVC mixtures containing the calcite modified by wet procedure had better mechanical properties compared to those with the calcite modified by the dry process. Tensile and breaking strength of the PVC mixture containing the calcite modified with 1.5% stearic acid using the wet process were higher for 2.8 and 5.2%, respectively, compared to the PVC mixture containing the calcite modified with the same amount of acid used in the dry process. The tensile strength difference between the mixtures increased with the increase of the concentration of used stearic acid up to 3%. The strength of PVC mixture with the calcite modified by the wet process was 3.1% higher compared to the mixture containing calcite modified by dry process. The results showed that the bonding strength between calcite and the adsorbed organic component affected tensile strength, tensile elongation and breaking strength of the PVC mixtures. The best filler was obtained by wet modification using 1.5% stearic acid solution that provided the formation of a stearate monolayer chemisorbed on calcite. The PVC mixtures containing the calcite modified by wet process using 1.5% stearic acid solution exhibited the best mechanical properties. This calcite was completely hydrophobic with dominant chemically adsorbed surfactant, which means that stearate chemisorbed on calcite provided stronger interaction in the calcite-stearic acid-PVC system.",
publisher = "Savez hemijskih inženjera, Beograd",
journal = "Hemijska industrija",
title = "Ispitivanje mehaničkih osobina polivinil-hlorida sa dodatkom modifikovanog kalcita kao punioca, Mechanical properties of polyvinyl chloride mixtures with the addition of modified calcite as filler",
pages = "794-787",
number = "5",
volume = "66",
doi = "10.2298/HEMIND111115025M",
url = "conv_298"
}
Mihajlović, S., Sekulić, Ž., Vučinić, D., Jovanović, V.,& Kolonja, B. M.. (2012). Ispitivanje mehaničkih osobina polivinil-hlorida sa dodatkom modifikovanog kalcita kao punioca. in Hemijska industrija
Savez hemijskih inženjera, Beograd., 66(5), 787-794.
https://doi.org/10.2298/HEMIND111115025M
conv_298
Mihajlović S, Sekulić Ž, Vučinić D, Jovanović V, Kolonja BM. Ispitivanje mehaničkih osobina polivinil-hlorida sa dodatkom modifikovanog kalcita kao punioca. in Hemijska industrija. 2012;66(5):787-794.
doi:10.2298/HEMIND111115025M
conv_298 .
Mihajlović, Slavica, Sekulić, Živko, Vučinić, Dušica, Jovanović, Vladimir, Kolonja, Božo M., "Ispitivanje mehaničkih osobina polivinil-hlorida sa dodatkom modifikovanog kalcita kao punioca" in Hemijska industrija, 66, no. 5 (2012):787-794,
https://doi.org/10.2298/HEMIND111115025M .,
conv_298 .

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