Influence of liquid media on the craze initiation in amorphous polylactide
The influence of various liquid media (aliphatic alcohols, water-alcohol solutions, saturated hydrocarbons, and organosilicon liquids) on the development of uniaxial deformation and nucleation of crazes in amorphous polylactide (PLA) films has been studied. It has been found that in the presence of...
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| Veröffentlicht in: | Polymer (Guilford) 2018-04, Vol.142, p.43-47 |
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| container_title | Polymer (Guilford) |
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| creator | Trofimchuk, E.S. Nikonorova, N.I. Moskvina, M.A. Efimov, A.V. Khavpachev, M.A. Volynskii, A.L. |
| description | The influence of various liquid media (aliphatic alcohols, water-alcohol solutions, saturated hydrocarbons, and organosilicon liquids) on the development of uniaxial deformation and nucleation of crazes in amorphous polylactide (PLA) films has been studied. It has been found that in the presence of the liquids the tensile stress during the polymer deformation decreases by 3–4 times. According to the Griffith's theory, linear dependences (with an accuracy of R2 = 0.96–0.97) have been revealed between the yield point or the flow stress of PLA and the square root of product of the elasticity modulus of the polymer in a liquid and the interfacial surface energy at the polymer-liquid medium interface calculated using the Owens-Wendt equation. The data obtained may be used to predict the critical mechanical stress at which crazes will be initiated in PLA.
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•Deformability of the amorphous polylactide film increases in liquid media.•Craze initiation in PLA in liquid media is described by Griffith criterion.•Data obtained may be used for predicting the critical mechanical stress value. |
| doi_str_mv | 10.1016/j.polymer.2018.03.023 |
| format | Article |
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[Display omitted]
•Deformability of the amorphous polylactide film increases in liquid media.•Craze initiation in PLA in liquid media is described by Griffith criterion.•Data obtained may be used for predicting the critical mechanical stress value.</description><identifier>ISSN: 0032-3861</identifier><identifier>EISSN: 1873-2291</identifier><identifier>DOI: 10.1016/j.polymer.2018.03.023</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Alcohols ; Aliphatic alcohols ; Aliphatic compounds ; Crazing ; Deformation ; Elasticity ; Griffith criterion ; Hydrocarbons ; Linear equations ; Liquid crystal polymers ; Liquidity ; Liquids ; Polylactic acid ; Polylactide ; Polymerization ; Polymers ; Saturated hydrocarbons ; Surface energy ; Surface properties ; Tensile stress ; Yield point ; Yield strength</subject><ispartof>Polymer (Guilford), 2018-04, Vol.142, p.43-47</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Apr 25, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-9bd48e2dac9489d2ce66ce092e5262cae2bad4ed46fcb76a5091cf951b55e6e63</citedby><cites>FETCH-LOGICAL-c374t-9bd48e2dac9489d2ce66ce092e5262cae2bad4ed46fcb76a5091cf951b55e6e63</cites><orcidid>0000-0002-8035-7872</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.polymer.2018.03.023$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Trofimchuk, E.S.</creatorcontrib><creatorcontrib>Nikonorova, N.I.</creatorcontrib><creatorcontrib>Moskvina, M.A.</creatorcontrib><creatorcontrib>Efimov, A.V.</creatorcontrib><creatorcontrib>Khavpachev, M.A.</creatorcontrib><creatorcontrib>Volynskii, A.L.</creatorcontrib><title>Influence of liquid media on the craze initiation in amorphous polylactide</title><title>Polymer (Guilford)</title><description>The influence of various liquid media (aliphatic alcohols, water-alcohol solutions, saturated hydrocarbons, and organosilicon liquids) on the development of uniaxial deformation and nucleation of crazes in amorphous polylactide (PLA) films has been studied. It has been found that in the presence of the liquids the tensile stress during the polymer deformation decreases by 3–4 times. According to the Griffith's theory, linear dependences (with an accuracy of R2 = 0.96–0.97) have been revealed between the yield point or the flow stress of PLA and the square root of product of the elasticity modulus of the polymer in a liquid and the interfacial surface energy at the polymer-liquid medium interface calculated using the Owens-Wendt equation. The data obtained may be used to predict the critical mechanical stress at which crazes will be initiated in PLA.
[Display omitted]
•Deformability of the amorphous polylactide film increases in liquid media.•Craze initiation in PLA in liquid media is described by Griffith criterion.•Data obtained may be used for predicting the critical mechanical stress value.</description><subject>Alcohols</subject><subject>Aliphatic alcohols</subject><subject>Aliphatic compounds</subject><subject>Crazing</subject><subject>Deformation</subject><subject>Elasticity</subject><subject>Griffith criterion</subject><subject>Hydrocarbons</subject><subject>Linear equations</subject><subject>Liquid crystal polymers</subject><subject>Liquidity</subject><subject>Liquids</subject><subject>Polylactic acid</subject><subject>Polylactide</subject><subject>Polymerization</subject><subject>Polymers</subject><subject>Saturated hydrocarbons</subject><subject>Surface energy</subject><subject>Surface properties</subject><subject>Tensile stress</subject><subject>Yield point</subject><subject>Yield strength</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkFtLwzAUx4MoOKcfQQj43JpLkzVPIsPLZOCLPoc0OWUpbdMlrTA_vR3bu08HzvlfOD-E7inJKaHyscmH0B46iDkjtMwJzwnjF2hByxXPGFP0Ei0I4SzjpaTX6CalhhDCBCsW6GPT1-0EvQUcatz6_eQd7sB5g0OPxx1gG80vYN_70ZvRz0vfY9OFOOzClPCxuTV29A5u0VVt2gR357lE368vX-v3bPv5tlk_bzPLV8WYqcoVJTBnrCpK5ZgFKS0QxUAwyawBVhlXgCtkbauVNIIoamslaCUESJB8iR5OuUMM-wnSqJswxX6u1IzIslBEKDarxEllY0gpQq2H6DsTD5oSfcSmG33Gpo_YNOF6xjb7nk4-mF_48fM1WX_k43wEO2oX_D8Jf4H3eiY</recordid><startdate>20180425</startdate><enddate>20180425</enddate><creator>Trofimchuk, E.S.</creator><creator>Nikonorova, N.I.</creator><creator>Moskvina, M.A.</creator><creator>Efimov, A.V.</creator><creator>Khavpachev, M.A.</creator><creator>Volynskii, A.L.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-8035-7872</orcidid></search><sort><creationdate>20180425</creationdate><title>Influence of liquid media on the craze initiation in amorphous polylactide</title><author>Trofimchuk, E.S. ; 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It has been found that in the presence of the liquids the tensile stress during the polymer deformation decreases by 3–4 times. According to the Griffith's theory, linear dependences (with an accuracy of R2 = 0.96–0.97) have been revealed between the yield point or the flow stress of PLA and the square root of product of the elasticity modulus of the polymer in a liquid and the interfacial surface energy at the polymer-liquid medium interface calculated using the Owens-Wendt equation. The data obtained may be used to predict the critical mechanical stress at which crazes will be initiated in PLA.
[Display omitted]
•Deformability of the amorphous polylactide film increases in liquid media.•Craze initiation in PLA in liquid media is described by Griffith criterion.•Data obtained may be used for predicting the critical mechanical stress value.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.polymer.2018.03.023</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-8035-7872</orcidid></addata></record> |
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| subjects | Alcohols Aliphatic alcohols Aliphatic compounds Crazing Deformation Elasticity Griffith criterion Hydrocarbons Linear equations Liquid crystal polymers Liquidity Liquids Polylactic acid Polylactide Polymerization Polymers Saturated hydrocarbons Surface energy Surface properties Tensile stress Yield point Yield strength |
| title | Influence of liquid media on the craze initiation in amorphous polylactide |
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