Effects of various surface treatments on Aloe Vera fibers used as reinforcement in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) biocomposites
The aim of this study was to assess the effect of various surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites prepared by melt compounding. AVF were subjected to various surface treatments including alkaline, organo-silanes and combined alkaline/organo-silanes...
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| Veröffentlicht in: | Polymer degradation and stability 2020-05, Vol.175, p.109131, Article 109131 |
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| creator | Dehouche, Nadjet Idres, Celia Kaci, Mustapha Zembouai, Idris Bruzaud, Stéphane |
| description | The aim of this study was to assess the effect of various surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites prepared by melt compounding. AVF were subjected to various surface treatments including alkaline, organo-silanes and combined alkaline/organo-silanes treatments. Both untreated and treated AVF were added to PHBHHx at filler content of 20 wt% and the resulted biocomposites were characterized using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), water absorption test and rheological measurements. The study showed that the combined alkaline/organo-silanes treatment of AVF resulted in better morphology and properties of PHBHHx biocomposite compared to untreated AVF and those treated either with alkaline or with organosilanes. Indeed, SEM analysis of the fracture surface of PHBHHx/AVF treated with combined alkaline-organosilanes showed better fiber-matrix interactions compared to the other samples. As a result, rheological properties, i.e., complex viscosity (η∗), storage modulus (G′) and loss modulus (G″) were increased. Higher resistance to water absorption was observed for PHBHHx/AVF treated with combined alkaline-organosilanes. Whereas, the various surface fiber treatments led to no noticeable change in thermal characteristics of the biocomposites. This study highlights the effectiveness of combined alkaline/organo-silanes treatment of AVF over alkaline and organo-silanes and their applications in PHBHHx biocomposites as an interesting source of cellulosic reinforcing materials.
•Effect of surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites.•Morphological and properties characterization of AVF and PHBHHx/AVF: 80/20 (w/w) biocomposite before and after treatments.•Improvement in fiber-matrix interface achieved by the combined alkaline-organosilanes treatment of AVF.•Interesting AVF source of cellulosic reinforcement materials. |
| doi_str_mv | 10.1016/j.polymdegradstab.2020.109131 |
| format | Article |
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•Effect of surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites.•Morphological and properties characterization of AVF and PHBHHx/AVF: 80/20 (w/w) biocomposite before and after treatments.•Improvement in fiber-matrix interface achieved by the combined alkaline-organosilanes treatment of AVF.•Interesting AVF source of cellulosic reinforcement materials.</description><identifier>ISSN: 0141-3910</identifier><identifier>EISSN: 1873-2321</identifier><identifier>DOI: 10.1016/j.polymdegradstab.2020.109131</identifier><language>eng</language><publisher>London: Elsevier Ltd</publisher><subject>Aloe ; Aloe Vera fibers (AVF) ; Biocomposites ; Biomedical materials ; Carbon fibers ; Chemical Sciences ; Composite materials ; Differential scanning calorimetry ; Fiber surface treatment ; Fracture surfaces ; Loss modulus ; Morphology ; PHBHHx ; Reinforcing materials ; Rheological properties ; Scanning electron microscopy ; Silanes ; Storage modulus ; Surface chemistry ; Thermogravimetric analysis ; Viscosity ; Water absorption ; Water resistance</subject><ispartof>Polymer degradation and stability, 2020-05, Vol.175, p.109131, Article 109131</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 2020</rights><rights>Attribution - NonCommercial</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c450t-3dda83886a30245b1f246e8cda68a303aaf051de6d607445a308e0934b7856113</citedby><cites>FETCH-LOGICAL-c450t-3dda83886a30245b1f246e8cda68a303aaf051de6d607445a308e0934b7856113</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.polymdegradstab.2020.109131$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://hal.science/hal-03489636$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Dehouche, Nadjet</creatorcontrib><creatorcontrib>Idres, Celia</creatorcontrib><creatorcontrib>Kaci, Mustapha</creatorcontrib><creatorcontrib>Zembouai, Idris</creatorcontrib><creatorcontrib>Bruzaud, Stéphane</creatorcontrib><title>Effects of various surface treatments on Aloe Vera fibers used as reinforcement in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) biocomposites</title><title>Polymer degradation and stability</title><description>The aim of this study was to assess the effect of various surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites prepared by melt compounding. AVF were subjected to various surface treatments including alkaline, organo-silanes and combined alkaline/organo-silanes treatments. Both untreated and treated AVF were added to PHBHHx at filler content of 20 wt% and the resulted biocomposites were characterized using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), water absorption test and rheological measurements. The study showed that the combined alkaline/organo-silanes treatment of AVF resulted in better morphology and properties of PHBHHx biocomposite compared to untreated AVF and those treated either with alkaline or with organosilanes. Indeed, SEM analysis of the fracture surface of PHBHHx/AVF treated with combined alkaline-organosilanes showed better fiber-matrix interactions compared to the other samples. As a result, rheological properties, i.e., complex viscosity (η∗), storage modulus (G′) and loss modulus (G″) were increased. Higher resistance to water absorption was observed for PHBHHx/AVF treated with combined alkaline-organosilanes. Whereas, the various surface fiber treatments led to no noticeable change in thermal characteristics of the biocomposites. This study highlights the effectiveness of combined alkaline/organo-silanes treatment of AVF over alkaline and organo-silanes and their applications in PHBHHx biocomposites as an interesting source of cellulosic reinforcing materials.
•Effect of surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites.•Morphological and properties characterization of AVF and PHBHHx/AVF: 80/20 (w/w) biocomposite before and after treatments.•Improvement in fiber-matrix interface achieved by the combined alkaline-organosilanes treatment of AVF.•Interesting AVF source of cellulosic reinforcement materials.</description><subject>Aloe</subject><subject>Aloe Vera fibers (AVF)</subject><subject>Biocomposites</subject><subject>Biomedical materials</subject><subject>Carbon fibers</subject><subject>Chemical Sciences</subject><subject>Composite materials</subject><subject>Differential scanning calorimetry</subject><subject>Fiber surface treatment</subject><subject>Fracture surfaces</subject><subject>Loss modulus</subject><subject>Morphology</subject><subject>PHBHHx</subject><subject>Reinforcing materials</subject><subject>Rheological properties</subject><subject>Scanning electron microscopy</subject><subject>Silanes</subject><subject>Storage modulus</subject><subject>Surface chemistry</subject><subject>Thermogravimetric analysis</subject><subject>Viscosity</subject><subject>Water absorption</subject><subject>Water resistance</subject><issn>0141-3910</issn><issn>1873-2321</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqNkcGqEzEUhoMoWKvvEBDhdjE1mWTSdOGiXq53hIIu1G3IJCc2pZ3UJFM6T-LrmmHkLlx5Nge-85-fc_gRekfJmhIq3h_Xl3AazxZ-Rm1T1t26JvU021JGn6EFlRtW1aymz9GCUE4rtqXkJXqV0pGU4g1doN8PzoHJCQeHrzr6MCSchui0AZwj6HyGfpr2eHcKgH9A1Nj5DmLCQwKLdcIRfO9CNDBJse_xdNUdqw6jjeE2dkMeo85QmVA9wQPcdB8KXeG7r-3Htr2tcOeDCedLSD5Deo1eOH1K8OZvX6Lvnx6-3bfV_svj5_vdvjK8Ibli1mrJpBSakZo3HXU1FyCN1UIWxLR2pKEWhBVkw3lTmASyZbzbyEZQypZoNfse9Eldoj_rOKqgvWp3ezUxwrjcCiauk_btrL3E8GuAlNUxDLEv56mac9psBCvKJfowq0wMKUVwT7aUqCk3dVT_5Kam3NScW9l_nPehvH31EFUyHnoD1seSlLLB_6fTH2Zuq6I</recordid><startdate>20200501</startdate><enddate>20200501</enddate><creator>Dehouche, Nadjet</creator><creator>Idres, Celia</creator><creator>Kaci, Mustapha</creator><creator>Zembouai, Idris</creator><creator>Bruzaud, Stéphane</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>20200501</creationdate><title>Effects of various surface treatments on Aloe Vera fibers used as reinforcement in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) biocomposites</title><author>Dehouche, Nadjet ; Idres, Celia ; Kaci, Mustapha ; Zembouai, Idris ; Bruzaud, Stéphane</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c450t-3dda83886a30245b1f246e8cda68a303aaf051de6d607445a308e0934b7856113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aloe</topic><topic>Aloe Vera fibers (AVF)</topic><topic>Biocomposites</topic><topic>Biomedical materials</topic><topic>Carbon fibers</topic><topic>Chemical Sciences</topic><topic>Composite materials</topic><topic>Differential scanning calorimetry</topic><topic>Fiber surface treatment</topic><topic>Fracture surfaces</topic><topic>Loss modulus</topic><topic>Morphology</topic><topic>PHBHHx</topic><topic>Reinforcing materials</topic><topic>Rheological properties</topic><topic>Scanning electron microscopy</topic><topic>Silanes</topic><topic>Storage modulus</topic><topic>Surface chemistry</topic><topic>Thermogravimetric analysis</topic><topic>Viscosity</topic><topic>Water absorption</topic><topic>Water resistance</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dehouche, Nadjet</creatorcontrib><creatorcontrib>Idres, Celia</creatorcontrib><creatorcontrib>Kaci, Mustapha</creatorcontrib><creatorcontrib>Zembouai, Idris</creatorcontrib><creatorcontrib>Bruzaud, Stéphane</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Polymer degradation and stability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dehouche, Nadjet</au><au>Idres, Celia</au><au>Kaci, Mustapha</au><au>Zembouai, Idris</au><au>Bruzaud, Stéphane</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of various surface treatments on Aloe Vera fibers used as reinforcement in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) biocomposites</atitle><jtitle>Polymer degradation and stability</jtitle><date>2020-05-01</date><risdate>2020</risdate><volume>175</volume><spage>109131</spage><pages>109131-</pages><artnum>109131</artnum><issn>0141-3910</issn><eissn>1873-2321</eissn><abstract>The aim of this study was to assess the effect of various surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites prepared by melt compounding. AVF were subjected to various surface treatments including alkaline, organo-silanes and combined alkaline/organo-silanes treatments. Both untreated and treated AVF were added to PHBHHx at filler content of 20 wt% and the resulted biocomposites were characterized using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), water absorption test and rheological measurements. The study showed that the combined alkaline/organo-silanes treatment of AVF resulted in better morphology and properties of PHBHHx biocomposite compared to untreated AVF and those treated either with alkaline or with organosilanes. Indeed, SEM analysis of the fracture surface of PHBHHx/AVF treated with combined alkaline-organosilanes showed better fiber-matrix interactions compared to the other samples. As a result, rheological properties, i.e., complex viscosity (η∗), storage modulus (G′) and loss modulus (G″) were increased. Higher resistance to water absorption was observed for PHBHHx/AVF treated with combined alkaline-organosilanes. Whereas, the various surface fiber treatments led to no noticeable change in thermal characteristics of the biocomposites. This study highlights the effectiveness of combined alkaline/organo-silanes treatment of AVF over alkaline and organo-silanes and their applications in PHBHHx biocomposites as an interesting source of cellulosic reinforcing materials.
•Effect of surface treatments on Aloe Vera fibers (AVF) used as reinforcement in PHBHHx biocomposites.•Morphological and properties characterization of AVF and PHBHHx/AVF: 80/20 (w/w) biocomposite before and after treatments.•Improvement in fiber-matrix interface achieved by the combined alkaline-organosilanes treatment of AVF.•Interesting AVF source of cellulosic reinforcement materials.</abstract><cop>London</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.polymdegradstab.2020.109131</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Aloe Aloe Vera fibers (AVF) Biocomposites Biomedical materials Carbon fibers Chemical Sciences Composite materials Differential scanning calorimetry Fiber surface treatment Fracture surfaces Loss modulus Morphology PHBHHx Reinforcing materials Rheological properties Scanning electron microscopy Silanes Storage modulus Surface chemistry Thermogravimetric analysis Viscosity Water absorption Water resistance |
| title | Effects of various surface treatments on Aloe Vera fibers used as reinforcement in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) biocomposites |
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