Mechanical, thermal, and water absorption properties of melamine–formaldehyde‐treated sisal fiber containing poly(lactic acid) composites
ABSTRACT The present study focuses on the melamine–formaldehyde (MF) coating ratio and silanization of PLA/sisal composites. Poly(lactic acid) (PLA) was melt blended with short sisal fiber with and without MF resin coating. MF was applied at different weight ratios (sisal:MF = 1:1; 1:3, and 1:5) to...
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| creator | Tengsuthiwat, Jiratti Asawapirom, Udom Siengchin, Suchart Karger‐Kocsis, József |
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The present study focuses on the melamine–formaldehyde (MF) coating ratio and silanization of PLA/sisal composites. Poly(lactic acid) (PLA) was melt blended with short sisal fiber with and without MF resin coating. MF was applied at different weight ratios (sisal:MF = 1:1; 1:3, and 1:5) to coat the untreated or silanized sisal fibers which were incorporated up to 20 parts per hundred resin (phr) amount in PLA. PLA/sisal composites were produced by compression molding. It was found that the sisal:MF coating ratio at 1:1 by weight improved the tensile strength and tensile modulus of the composite with 10 phr sisal by 4% and 57%, respectively, compared to the virgin PLA. The initial and final decomposition (Ti) and (Tf) of PLA with untreated sisal were changed from 330.8 and 367.1 to 336.2 and 370.4 °C, respectively, after MF‐coating (sisal:MF weight ratio = 1:1). This enhancement in thermal stability was attributed to the strong interaction between the MF and sisal fiber. The water absorption of PLA/MF–sisal composites slightly decreased with increasing sisal:MF ratio. This is due to the fact that the MF‐coating substantially reduced the hydrophilic properties of sisal. Moreover, FTIR spectra and SEM images proved that sisal fibers were coated by MF resin successfully. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45681. |
| doi_str_mv | 10.1002/app.45681 |
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The present study focuses on the melamine–formaldehyde (MF) coating ratio and silanization of PLA/sisal composites. Poly(lactic acid) (PLA) was melt blended with short sisal fiber with and without MF resin coating. MF was applied at different weight ratios (sisal:MF = 1:1; 1:3, and 1:5) to coat the untreated or silanized sisal fibers which were incorporated up to 20 parts per hundred resin (phr) amount in PLA. PLA/sisal composites were produced by compression molding. It was found that the sisal:MF coating ratio at 1:1 by weight improved the tensile strength and tensile modulus of the composite with 10 phr sisal by 4% and 57%, respectively, compared to the virgin PLA. The initial and final decomposition (Ti) and (Tf) of PLA with untreated sisal were changed from 330.8 and 367.1 to 336.2 and 370.4 °C, respectively, after MF‐coating (sisal:MF weight ratio = 1:1). This enhancement in thermal stability was attributed to the strong interaction between the MF and sisal fiber. The water absorption of PLA/MF–sisal composites slightly decreased with increasing sisal:MF ratio. This is due to the fact that the MF‐coating substantially reduced the hydrophilic properties of sisal. Moreover, FTIR spectra and SEM images proved that sisal fibers were coated by MF resin successfully. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45681.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.45681</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>biopolymers and renewable polymers ; cellulose and other wood products ; Coating ; Fish ; Formaldehyde ; Materials science ; mechanical properties ; Melamine ; Modulus of elasticity ; Polylactic acid ; Polymer matrix composites ; Polymers ; Pressure molding ; Sisal ; Strong interactions (field theory) ; Thermal stability ; thermogravimetric analysis (TGA) ; Water absorption</subject><ispartof>Journal of applied polymer science, 2018-01, Vol.135 (2), p.n/a</ispartof><rights>2017 Wiley Periodicals, Inc.</rights><rights>2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2971-c6b6ee9f826d1091364cc694ea77b6bddb4714569e6c0ca160fd255422f683b63</citedby><cites>FETCH-LOGICAL-c2971-c6b6ee9f826d1091364cc694ea77b6bddb4714569e6c0ca160fd255422f683b63</cites><orcidid>0000-0001-9699-7471</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.45681$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.45681$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27923,27924,45573,45574</link.rule.ids></links><search><creatorcontrib>Tengsuthiwat, Jiratti</creatorcontrib><creatorcontrib>Asawapirom, Udom</creatorcontrib><creatorcontrib>Siengchin, Suchart</creatorcontrib><creatorcontrib>Karger‐Kocsis, József</creatorcontrib><title>Mechanical, thermal, and water absorption properties of melamine–formaldehyde‐treated sisal fiber containing poly(lactic acid) composites</title><title>Journal of applied polymer science</title><description>ABSTRACT
The present study focuses on the melamine–formaldehyde (MF) coating ratio and silanization of PLA/sisal composites. Poly(lactic acid) (PLA) was melt blended with short sisal fiber with and without MF resin coating. MF was applied at different weight ratios (sisal:MF = 1:1; 1:3, and 1:5) to coat the untreated or silanized sisal fibers which were incorporated up to 20 parts per hundred resin (phr) amount in PLA. PLA/sisal composites were produced by compression molding. It was found that the sisal:MF coating ratio at 1:1 by weight improved the tensile strength and tensile modulus of the composite with 10 phr sisal by 4% and 57%, respectively, compared to the virgin PLA. The initial and final decomposition (Ti) and (Tf) of PLA with untreated sisal were changed from 330.8 and 367.1 to 336.2 and 370.4 °C, respectively, after MF‐coating (sisal:MF weight ratio = 1:1). This enhancement in thermal stability was attributed to the strong interaction between the MF and sisal fiber. The water absorption of PLA/MF–sisal composites slightly decreased with increasing sisal:MF ratio. This is due to the fact that the MF‐coating substantially reduced the hydrophilic properties of sisal. Moreover, FTIR spectra and SEM images proved that sisal fibers were coated by MF resin successfully. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45681.</description><subject>biopolymers and renewable polymers</subject><subject>cellulose and other wood products</subject><subject>Coating</subject><subject>Fish</subject><subject>Formaldehyde</subject><subject>Materials science</subject><subject>mechanical properties</subject><subject>Melamine</subject><subject>Modulus of elasticity</subject><subject>Polylactic acid</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><subject>Pressure molding</subject><subject>Sisal</subject><subject>Strong interactions (field theory)</subject><subject>Thermal stability</subject><subject>thermogravimetric analysis (TGA)</subject><subject>Water absorption</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE1OwzAQhS0EEqWw4AaW2FCJtHaaOPGyqviTQHQB68ixJ9RVEgfbVZUdF0BC4oacBJewZTUzet-b0TyEzimZUkLimei6aZKynB6gESU8ixIW54doFDQa5Zynx-jEuQ0hlKaEjdDHI8i1aLUU9RX2a7DNvhGtwjvhwWJROmM7r02LO2s6sF6Dw6bCDdSi0S18v39VZu9SsO5VGD-9hWBV2GknalzpMqyRpvVCt7p9xZ2p-8taSK8lFlKrSRCbzjjtwZ2io0rUDs7-6hi93Fw_L--ih6fb--XiIZIxz2gkWckAeJXHTIUn6ZwlUjKegMiykpVKlUlGQwocmCRSUEYqFadpEscVy-clm4_RxbA3_PS2BeeLjdnaNpwsKE9inmcZzQM1GShpjXMWqqKzuhG2Lygp9mkXIe3iN-3AzgZ2p2vo_weLxWo1OH4A_iKF0g</recordid><startdate>20180110</startdate><enddate>20180110</enddate><creator>Tengsuthiwat, Jiratti</creator><creator>Asawapirom, Udom</creator><creator>Siengchin, Suchart</creator><creator>Karger‐Kocsis, József</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-9699-7471</orcidid></search><sort><creationdate>20180110</creationdate><title>Mechanical, thermal, and water absorption properties of melamine–formaldehyde‐treated sisal fiber containing poly(lactic acid) composites</title><author>Tengsuthiwat, Jiratti ; Asawapirom, Udom ; Siengchin, Suchart ; Karger‐Kocsis, József</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2971-c6b6ee9f826d1091364cc694ea77b6bddb4714569e6c0ca160fd255422f683b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>biopolymers and renewable polymers</topic><topic>cellulose and other wood products</topic><topic>Coating</topic><topic>Fish</topic><topic>Formaldehyde</topic><topic>Materials science</topic><topic>mechanical properties</topic><topic>Melamine</topic><topic>Modulus of elasticity</topic><topic>Polylactic acid</topic><topic>Polymer matrix composites</topic><topic>Polymers</topic><topic>Pressure molding</topic><topic>Sisal</topic><topic>Strong interactions (field theory)</topic><topic>Thermal stability</topic><topic>thermogravimetric analysis (TGA)</topic><topic>Water absorption</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tengsuthiwat, Jiratti</creatorcontrib><creatorcontrib>Asawapirom, Udom</creatorcontrib><creatorcontrib>Siengchin, Suchart</creatorcontrib><creatorcontrib>Karger‐Kocsis, József</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tengsuthiwat, Jiratti</au><au>Asawapirom, Udom</au><au>Siengchin, Suchart</au><au>Karger‐Kocsis, József</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mechanical, thermal, and water absorption properties of melamine–formaldehyde‐treated sisal fiber containing poly(lactic acid) composites</atitle><jtitle>Journal of applied polymer science</jtitle><date>2018-01-10</date><risdate>2018</risdate><volume>135</volume><issue>2</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
The present study focuses on the melamine–formaldehyde (MF) coating ratio and silanization of PLA/sisal composites. Poly(lactic acid) (PLA) was melt blended with short sisal fiber with and without MF resin coating. MF was applied at different weight ratios (sisal:MF = 1:1; 1:3, and 1:5) to coat the untreated or silanized sisal fibers which were incorporated up to 20 parts per hundred resin (phr) amount in PLA. PLA/sisal composites were produced by compression molding. It was found that the sisal:MF coating ratio at 1:1 by weight improved the tensile strength and tensile modulus of the composite with 10 phr sisal by 4% and 57%, respectively, compared to the virgin PLA. The initial and final decomposition (Ti) and (Tf) of PLA with untreated sisal were changed from 330.8 and 367.1 to 336.2 and 370.4 °C, respectively, after MF‐coating (sisal:MF weight ratio = 1:1). This enhancement in thermal stability was attributed to the strong interaction between the MF and sisal fiber. The water absorption of PLA/MF–sisal composites slightly decreased with increasing sisal:MF ratio. This is due to the fact that the MF‐coating substantially reduced the hydrophilic properties of sisal. Moreover, FTIR spectra and SEM images proved that sisal fibers were coated by MF resin successfully. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45681.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.45681</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-9699-7471</orcidid></addata></record> |
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| subjects | biopolymers and renewable polymers cellulose and other wood products Coating Fish Formaldehyde Materials science mechanical properties Melamine Modulus of elasticity Polylactic acid Polymer matrix composites Polymers Pressure molding Sisal Strong interactions (field theory) Thermal stability thermogravimetric analysis (TGA) Water absorption |
| title | Mechanical, thermal, and water absorption properties of melamine–formaldehyde‐treated sisal fiber containing poly(lactic acid) composites |
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