Curing and morphology approaches of polyurethane/poly(ethylene glycol) foam upon poly(lactic acid) addition
The effect of poly(lactic acid) (PLA) content on the curing of polyethylene glycol (PEG) based polyurethanes (PU) was investigated. Aiming to produce biobased PU foams, pentamethylene diisocyanate (PDI) was used. Fourier transform infrared spectroscopy (FTIR) found no curing evidence at 30°C and ver...
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| Veröffentlicht in: | Polymers for advanced technologies 2022-08, Vol.33 (8), p.2434-2447 |
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| creator | Oliveira Almeida, Débora Evelyn Albuquerque, Ananda Karoline Camelo Santos Silva, Ingridy Dayane Ries, Andreas Wellen, Renate Maria Ramos |
| description | The effect of poly(lactic acid) (PLA) content on the curing of polyethylene glycol (PEG) based polyurethanes (PU) was investigated. Aiming to produce biobased PU foams, pentamethylene diisocyanate (PDI) was used. Fourier transform infrared spectroscopy (FTIR) found no curing evidence at 30°C and verified that the curing was completed at 300°C. This method tracks hydrogen bonding and NCO consumption. PLA addition decreased the curing rate as evidenced through differential scanning calorimetry (DSC) and promoted changes in the released heat which is linked to chemical and physical crosslinking. Complex peaks were verified in DSC scans whereas the peak at lower temperatures is related to the catalyzed curing while that in the higher ones is due to the homopolymerization. PU foams morphology was investigated using scanning electron microscopy (SEM). Pores and cell sizes are related to PLA content and hydrogen bonding. |
| doi_str_mv | 10.1002/pat.5699 |
| format | Article |
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Aiming to produce biobased PU foams, pentamethylene diisocyanate (PDI) was used. Fourier transform infrared spectroscopy (FTIR) found no curing evidence at 30°C and verified that the curing was completed at 300°C. This method tracks hydrogen bonding and NCO consumption. PLA addition decreased the curing rate as evidenced through differential scanning calorimetry (DSC) and promoted changes in the released heat which is linked to chemical and physical crosslinking. Complex peaks were verified in DSC scans whereas the peak at lower temperatures is related to the catalyzed curing while that in the higher ones is due to the homopolymerization. PU foams morphology was investigated using scanning electron microscopy (SEM). Pores and cell sizes are related to PLA content and hydrogen bonding.</description><identifier>ISSN: 1042-7147</identifier><identifier>EISSN: 1099-1581</identifier><identifier>DOI: 10.1002/pat.5699</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Crosslinking ; Curing ; curing kinetics ; Differential scanning calorimetry ; Diisocyanates ; Fourier transforms ; Hydrogen bonding ; Morphology ; Plastic foam ; Polyethylene glycol ; Polylactic acid ; Polyurethane ; Polyurethane foam ; PU‐PEG/PLA foam</subject><ispartof>Polymers for advanced technologies, 2022-08, Vol.33 (8), p.2434-2447</ispartof><rights>2022 John Wiley & Sons Ltd.</rights><rights>2022 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2239-15314b1bdad2dac9c123592f6afd42c6f2ab064a56207851f2c03d28da0bf1ef3</citedby><cites>FETCH-LOGICAL-c2239-15314b1bdad2dac9c123592f6afd42c6f2ab064a56207851f2c03d28da0bf1ef3</cites><orcidid>0000-0002-3565-7366 ; 0000-0001-9091-062X ; 0000-0003-4442-7439</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%2Fpat.5699$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fpat.5699$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Oliveira Almeida, Débora Evelyn</creatorcontrib><creatorcontrib>Albuquerque, Ananda Karoline Camelo</creatorcontrib><creatorcontrib>Santos Silva, Ingridy Dayane</creatorcontrib><creatorcontrib>Ries, Andreas</creatorcontrib><creatorcontrib>Wellen, Renate Maria Ramos</creatorcontrib><title>Curing and morphology approaches of polyurethane/poly(ethylene glycol) foam upon poly(lactic acid) addition</title><title>Polymers for advanced technologies</title><description>The effect of poly(lactic acid) (PLA) content on the curing of polyethylene glycol (PEG) based polyurethanes (PU) was investigated. Aiming to produce biobased PU foams, pentamethylene diisocyanate (PDI) was used. Fourier transform infrared spectroscopy (FTIR) found no curing evidence at 30°C and verified that the curing was completed at 300°C. This method tracks hydrogen bonding and NCO consumption. PLA addition decreased the curing rate as evidenced through differential scanning calorimetry (DSC) and promoted changes in the released heat which is linked to chemical and physical crosslinking. Complex peaks were verified in DSC scans whereas the peak at lower temperatures is related to the catalyzed curing while that in the higher ones is due to the homopolymerization. PU foams morphology was investigated using scanning electron microscopy (SEM). Pores and cell sizes are related to PLA content and hydrogen bonding.</description><subject>Crosslinking</subject><subject>Curing</subject><subject>curing kinetics</subject><subject>Differential scanning calorimetry</subject><subject>Diisocyanates</subject><subject>Fourier transforms</subject><subject>Hydrogen bonding</subject><subject>Morphology</subject><subject>Plastic foam</subject><subject>Polyethylene glycol</subject><subject>Polylactic acid</subject><subject>Polyurethane</subject><subject>Polyurethane foam</subject><subject>PU‐PEG/PLA foam</subject><issn>1042-7147</issn><issn>1099-1581</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEqUg8QiWuLSHtLaTOMmxqiggVYJDOVsb_7QubhycRChvT9Jy5bSz2k-7s4PQIyULSghb1tAuUl4UV2hCSVFENM3p9agTFmU0yW7RXdMcCRlmRTZBX-su2GqPoVL45EN98M7vewx1HTzIg26wN7j2ru-Cbg9Q6eXYzAbdO11pvHe99G6OjYcT7mpfneGZA9laiUFaNceglG2tr-7RjQHX6Ie_OkWfm-fd-jXavr-8rVfbSDIWj45jmpS0VKCYAllIyuK0YIaDUQmT3DAoCU8g5YxkeUoNkyRWLFdASkO1iafo6bJ3-OG7000rjr4L1XBSMJ6nMUl5TgZqdqFk8E0TtBF1sCcIvaBEjFGKIUoxRjmg0QX9sU73_3LiY7U787-yx3a0</recordid><startdate>202208</startdate><enddate>202208</enddate><creator>Oliveira Almeida, Débora Evelyn</creator><creator>Albuquerque, Ananda Karoline Camelo</creator><creator>Santos Silva, Ingridy Dayane</creator><creator>Ries, Andreas</creator><creator>Wellen, Renate Maria Ramos</creator><general>John Wiley & Sons, Ltd</general><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/0000-0002-3565-7366</orcidid><orcidid>https://orcid.org/0000-0001-9091-062X</orcidid><orcidid>https://orcid.org/0000-0003-4442-7439</orcidid></search><sort><creationdate>202208</creationdate><title>Curing and morphology approaches of polyurethane/poly(ethylene glycol) foam upon poly(lactic acid) addition</title><author>Oliveira Almeida, Débora Evelyn ; Albuquerque, Ananda Karoline Camelo ; Santos Silva, Ingridy Dayane ; Ries, Andreas ; Wellen, Renate Maria Ramos</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2239-15314b1bdad2dac9c123592f6afd42c6f2ab064a56207851f2c03d28da0bf1ef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Crosslinking</topic><topic>Curing</topic><topic>curing kinetics</topic><topic>Differential scanning calorimetry</topic><topic>Diisocyanates</topic><topic>Fourier transforms</topic><topic>Hydrogen bonding</topic><topic>Morphology</topic><topic>Plastic foam</topic><topic>Polyethylene glycol</topic><topic>Polylactic acid</topic><topic>Polyurethane</topic><topic>Polyurethane foam</topic><topic>PU‐PEG/PLA foam</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oliveira Almeida, Débora Evelyn</creatorcontrib><creatorcontrib>Albuquerque, Ananda Karoline Camelo</creatorcontrib><creatorcontrib>Santos Silva, Ingridy Dayane</creatorcontrib><creatorcontrib>Ries, Andreas</creatorcontrib><creatorcontrib>Wellen, Renate Maria Ramos</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymers for advanced technologies</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oliveira Almeida, Débora Evelyn</au><au>Albuquerque, Ananda Karoline Camelo</au><au>Santos Silva, Ingridy Dayane</au><au>Ries, Andreas</au><au>Wellen, Renate Maria Ramos</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Curing and morphology approaches of polyurethane/poly(ethylene glycol) foam upon poly(lactic acid) addition</atitle><jtitle>Polymers for advanced technologies</jtitle><date>2022-08</date><risdate>2022</risdate><volume>33</volume><issue>8</issue><spage>2434</spage><epage>2447</epage><pages>2434-2447</pages><issn>1042-7147</issn><eissn>1099-1581</eissn><abstract>The effect of poly(lactic acid) (PLA) content on the curing of polyethylene glycol (PEG) based polyurethanes (PU) was investigated. Aiming to produce biobased PU foams, pentamethylene diisocyanate (PDI) was used. Fourier transform infrared spectroscopy (FTIR) found no curing evidence at 30°C and verified that the curing was completed at 300°C. This method tracks hydrogen bonding and NCO consumption. PLA addition decreased the curing rate as evidenced through differential scanning calorimetry (DSC) and promoted changes in the released heat which is linked to chemical and physical crosslinking. Complex peaks were verified in DSC scans whereas the peak at lower temperatures is related to the catalyzed curing while that in the higher ones is due to the homopolymerization. PU foams morphology was investigated using scanning electron microscopy (SEM). 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| identifier | ISSN: 1042-7147 |
| ispartof | Polymers for advanced technologies, 2022-08, Vol.33 (8), p.2434-2447 |
| issn | 1042-7147 1099-1581 |
| language | eng |
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| source | Wiley Journals |
| subjects | Crosslinking Curing curing kinetics Differential scanning calorimetry Diisocyanates Fourier transforms Hydrogen bonding Morphology Plastic foam Polyethylene glycol Polylactic acid Polyurethane Polyurethane foam PU‐PEG/PLA foam |
| title | Curing and morphology approaches of polyurethane/poly(ethylene glycol) foam upon poly(lactic acid) addition |
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