Effect of Styrene-Diene Block Copolymers and Glass Bubbles on the Post-Consumer Recycled Polypropylene Properties
The recycled polypropylene (rPP) materials that meet technical requirements such as reducing the dimensions and improving the tensile, elongation, impact strength, thermal stability, as well as melt processing, are required for the manufacturing industry. In this paper, we studied the mechanical and...
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| Veröffentlicht in: | Materials 2020-01, Vol.13 (3), p.543 |
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| creator | Râpă, Maria Spurcaciu, Bogdan Norocel Coman, George Nicolae, Cristian Andi Gabor, Raluca Augusta Ghioca, Paul Niculae Berbecaru, Andrei Constantin Matei, Ecaterina Predescu, Cristian |
| description | The recycled polypropylene (rPP) materials that meet technical requirements such as reducing the dimensions and improving the tensile, elongation, impact strength, thermal stability, as well as melt processing, are required for the manufacturing industry. In this paper, we studied the mechanical and thermal properties of post-consumer rPP by adding both synthesized thermoplastic elastomers, and glass bubbles (GB) by a melt allowing process. Styrene-butadiene (SBS) and styrene-isoprene (SIS) block-copolymers that had a styrene content of 30 wt% were synthesized by anionic sequential polymerization. The obtained post-consumer rPP composites were characterized by optical microscopy, scanning electron microscopy (SEM), mechanical analyses (tensile, density, hardness, VICAT softening temperature (VST), heat deflection temperature (HDT), dynamic mechanical analysis (DMA), IZOD strength) and thermal analyses (differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA)). Weight reduction and improvement of the tensile, elongation, impact strength, thermal stability, as well as melt processing of post-consumer recycled polypropylene (rPP) properties compounded with thermoplastic elastomers and glass bubbles, sustain the use of these formulations for engineering applications. |
| doi_str_mv | 10.3390/ma13030543 |
| format | Article |
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In this paper, we studied the mechanical and thermal properties of post-consumer rPP by adding both synthesized thermoplastic elastomers, and glass bubbles (GB) by a melt allowing process. Styrene-butadiene (SBS) and styrene-isoprene (SIS) block-copolymers that had a styrene content of 30 wt% were synthesized by anionic sequential polymerization. The obtained post-consumer rPP composites were characterized by optical microscopy, scanning electron microscopy (SEM), mechanical analyses (tensile, density, hardness, VICAT softening temperature (VST), heat deflection temperature (HDT), dynamic mechanical analysis (DMA), IZOD strength) and thermal analyses (differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA)). Weight reduction and improvement of the tensile, elongation, impact strength, thermal stability, as well as melt processing of post-consumer recycled polypropylene (rPP) properties compounded with thermoplastic elastomers and glass bubbles, sustain the use of these formulations for engineering applications.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma13030543</identifier><identifier>PMID: 31979228</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Block copolymers ; Bubbles ; Butadiene ; Copolymers ; Differential scanning calorimetry ; Dynamic mechanical analysis ; Elastomers ; Elongation ; Impact strength ; Isoprene ; Mechanical properties ; Molecular weight ; Optical microscopy ; Polymerization ; Polypropylene ; Recycled materials ; Recycling ; Styrenes ; Tensile strength ; Thermal stability ; Thermodynamic properties ; Thermogravimetric analysis ; Thermoplastic elastomers ; Viscosity ; Weight reduction</subject><ispartof>Materials, 2020-01, Vol.13 (3), p.543</ispartof><rights>2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2020 by the authors. 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-3e52fc1a4b9b563015ec85a49c29606ae6dd1e1e288843dcf1591c205d42e9793</citedby><cites>FETCH-LOGICAL-c406t-3e52fc1a4b9b563015ec85a49c29606ae6dd1e1e288843dcf1591c205d42e9793</cites><orcidid>0000-0002-9501-3028 ; 0000-0001-7359-5736</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7040787/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7040787/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31979228$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Râpă, Maria</creatorcontrib><creatorcontrib>Spurcaciu, Bogdan Norocel</creatorcontrib><creatorcontrib>Coman, George</creatorcontrib><creatorcontrib>Nicolae, Cristian Andi</creatorcontrib><creatorcontrib>Gabor, Raluca Augusta</creatorcontrib><creatorcontrib>Ghioca, Paul Niculae</creatorcontrib><creatorcontrib>Berbecaru, Andrei Constantin</creatorcontrib><creatorcontrib>Matei, Ecaterina</creatorcontrib><creatorcontrib>Predescu, Cristian</creatorcontrib><title>Effect of Styrene-Diene Block Copolymers and Glass Bubbles on the Post-Consumer Recycled Polypropylene Properties</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>The recycled polypropylene (rPP) materials that meet technical requirements such as reducing the dimensions and improving the tensile, elongation, impact strength, thermal stability, as well as melt processing, are required for the manufacturing industry. 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Weight reduction and improvement of the tensile, elongation, impact strength, thermal stability, as well as melt processing of post-consumer recycled polypropylene (rPP) properties compounded with thermoplastic elastomers and glass bubbles, sustain the use of these formulations for engineering applications.</description><subject>Block copolymers</subject><subject>Bubbles</subject><subject>Butadiene</subject><subject>Copolymers</subject><subject>Differential scanning calorimetry</subject><subject>Dynamic mechanical analysis</subject><subject>Elastomers</subject><subject>Elongation</subject><subject>Impact strength</subject><subject>Isoprene</subject><subject>Mechanical properties</subject><subject>Molecular weight</subject><subject>Optical microscopy</subject><subject>Polymerization</subject><subject>Polypropylene</subject><subject>Recycled materials</subject><subject>Recycling</subject><subject>Styrenes</subject><subject>Tensile strength</subject><subject>Thermal stability</subject><subject>Thermodynamic properties</subject><subject>Thermogravimetric analysis</subject><subject>Thermoplastic elastomers</subject><subject>Viscosity</subject><subject>Weight reduction</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkVtL5jAQhoOsqKg3_gAJeLMIdXNskxth_dbDgrCiu9chTadaTZuatAv990Y87s7FzDDz8DLDi9AeJUeca_Ktt5QTTqTga2iLal0WVAvx5VO_iXZTuic5OKeK6Q20yamuNGNqCz2eti24CYcW30xLhAGKH13O-MQH94BXYQx-6SEmbIcGn3ubEj6Z69pDwmHA0x3gq5CmYhWGNGcOX4NbnIcmj_0yxjAu_lnuKncQpw7SDlpvrU-w-1q30Z-z09-ri-Ly1_nP1ffLwglSTgUHyVpHrah1LUtOqASnpBXaMV2S0kLZNBQoMKWU4I1rqdTUMSIbwSB_x7fR8YvuONc9NA6GKVpvxtj1Ni4m2M78uxm6O3Mb_pqKCFKpKgt8fRWI4XGGNJm-Sw68twOEORnGhZSEV4Rl9OA_9D7MccjvGSaFUlTpUmXq8IVyMaQUoX0_hhLzbKb5MDPD-5_Pf0ffrONPKTianw</recordid><startdate>20200123</startdate><enddate>20200123</enddate><creator>Râpă, Maria</creator><creator>Spurcaciu, Bogdan Norocel</creator><creator>Coman, George</creator><creator>Nicolae, Cristian Andi</creator><creator>Gabor, Raluca Augusta</creator><creator>Ghioca, Paul Niculae</creator><creator>Berbecaru, Andrei Constantin</creator><creator>Matei, Ecaterina</creator><creator>Predescu, Cristian</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-9501-3028</orcidid><orcidid>https://orcid.org/0000-0001-7359-5736</orcidid></search><sort><creationdate>20200123</creationdate><title>Effect of Styrene-Diene Block Copolymers and Glass Bubbles on the Post-Consumer Recycled Polypropylene Properties</title><author>Râpă, Maria ; 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| subjects | Block copolymers Bubbles Butadiene Copolymers Differential scanning calorimetry Dynamic mechanical analysis Elastomers Elongation Impact strength Isoprene Mechanical properties Molecular weight Optical microscopy Polymerization Polypropylene Recycled materials Recycling Styrenes Tensile strength Thermal stability Thermodynamic properties Thermogravimetric analysis Thermoplastic elastomers Viscosity Weight reduction |
| title | Effect of Styrene-Diene Block Copolymers and Glass Bubbles on the Post-Consumer Recycled Polypropylene Properties |
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