Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid)
In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterog...
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E-Artikel |
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De Gruyter ; 2014 |
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12 |
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| Reproduktion: |
Walter de Gruyter Online Zeitschriften |
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Enthalten in: Journal of polymer engineering - Berlin : de Gruyter, 1984, 35(2014), 2 vom: 4. Sept., Seite 169-180 |
| Übergeordnetes Werk: |
volume:35 ; year:2014 ; number:2 ; day:4 ; month:09 ; pages:169-180 ; extent:12 |
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| DOI / URN: |
10.1515/polyeng-2014-0175 |
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| 520 | |a In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). | ||
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10.1515/polyeng-2014-0175 doi articles2015-2020.pp (DE-627)NLEJ248139460 DE-627 ger DE-627 rakwb Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid) De Gruyter 2014 12 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). Walter de Gruyter Online Zeitschriften amino acids isothermal crystallization nucleating agent PLA poly(amino acids) Carbone, Maria Josefina oth Vanhalle, Maja oth Goderis, Bart oth Van Puyvelde, Peter oth Enthalten in Journal of polymer engineering Berlin : de Gruyter, 1984 35(2014), 2 vom: 4. Sept., Seite 169-180 (DE-627)NLEJ248236601 (DE-600)2602430-5 2191-0340 nnns volume:35 year:2014 number:2 day:4 month:09 pages:169-180 extent:12 https://doi.org/10.1515/polyeng-2014-0175 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 35 2014 2 4 9 169-180 12 |
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10.1515/polyeng-2014-0175 doi articles2015-2020.pp (DE-627)NLEJ248139460 DE-627 ger DE-627 rakwb Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid) De Gruyter 2014 12 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). Walter de Gruyter Online Zeitschriften amino acids isothermal crystallization nucleating agent PLA poly(amino acids) Carbone, Maria Josefina oth Vanhalle, Maja oth Goderis, Bart oth Van Puyvelde, Peter oth Enthalten in Journal of polymer engineering Berlin : de Gruyter, 1984 35(2014), 2 vom: 4. Sept., Seite 169-180 (DE-627)NLEJ248236601 (DE-600)2602430-5 2191-0340 nnns volume:35 year:2014 number:2 day:4 month:09 pages:169-180 extent:12 https://doi.org/10.1515/polyeng-2014-0175 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 35 2014 2 4 9 169-180 12 |
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10.1515/polyeng-2014-0175 doi articles2015-2020.pp (DE-627)NLEJ248139460 DE-627 ger DE-627 rakwb Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid) De Gruyter 2014 12 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). Walter de Gruyter Online Zeitschriften amino acids isothermal crystallization nucleating agent PLA poly(amino acids) Carbone, Maria Josefina oth Vanhalle, Maja oth Goderis, Bart oth Van Puyvelde, Peter oth Enthalten in Journal of polymer engineering Berlin : de Gruyter, 1984 35(2014), 2 vom: 4. Sept., Seite 169-180 (DE-627)NLEJ248236601 (DE-600)2602430-5 2191-0340 nnns volume:35 year:2014 number:2 day:4 month:09 pages:169-180 extent:12 https://doi.org/10.1515/polyeng-2014-0175 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 35 2014 2 4 9 169-180 12 |
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10.1515/polyeng-2014-0175 doi articles2015-2020.pp (DE-627)NLEJ248139460 DE-627 ger DE-627 rakwb Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid) De Gruyter 2014 12 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). Walter de Gruyter Online Zeitschriften amino acids isothermal crystallization nucleating agent PLA poly(amino acids) Carbone, Maria Josefina oth Vanhalle, Maja oth Goderis, Bart oth Van Puyvelde, Peter oth Enthalten in Journal of polymer engineering Berlin : de Gruyter, 1984 35(2014), 2 vom: 4. Sept., Seite 169-180 (DE-627)NLEJ248236601 (DE-600)2602430-5 2191-0340 nnns volume:35 year:2014 number:2 day:4 month:09 pages:169-180 extent:12 https://doi.org/10.1515/polyeng-2014-0175 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 35 2014 2 4 9 169-180 12 |
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amino acids and poly(amino acids) as nucleating agents for poly(lactic acid) |
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Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid) |
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In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). |
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In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). |
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In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%). |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ248139460</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220820040025.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">220814s2014 xx |||||o 00| ||und c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1515/polyeng-2014-0175</subfield><subfield code="2">doi</subfield></datafield><datafield tag="028" ind1="5" ind2="2"><subfield code="a">articles2015-2020.pp</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ248139460</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Amino acids and poly(amino acids) as nucleating agents for poly(lactic acid)</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="b">De Gruyter</subfield><subfield code="c">2014</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">12</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">In industry, rapid crystallization is often required. At present, the crystallization rate of poly(lactic acid) (PLA) is too low compared to industrial needs. In this paper, amino acids such as glycine and L-alanine and poly(amino acids) like polyglycine and poly-DL-alanine are considered as heterogeneous crystallization nucleating agents. The impact of adding these bio-based additives on the isothermal crystallization behavior of PLA was quantified and compared at different concentrations by using the so-called Lotz efficiency scale, which here is based on isothermal DSC measurements. In addition, rheological and rheo-optical techniques were used to monitor the isothermal crystallization. Our results indicate that polyglycine possesses a significant nucleating ability (60.5%) which is comparable to the industrially used talc (81.1%).</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Walter de Gruyter Online Zeitschriften</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">amino acids</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">isothermal crystallization</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">nucleating agent</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">PLA</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">poly(amino acids)</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Carbone, Maria Josefina</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Vanhalle, Maja</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Goderis, Bart</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Van Puyvelde, Peter</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of polymer engineering</subfield><subfield code="d">Berlin : de Gruyter, 1984</subfield><subfield code="g">35(2014), 2 vom: 4. Sept., Seite 169-180</subfield><subfield code="w">(DE-627)NLEJ248236601</subfield><subfield code="w">(DE-600)2602430-5</subfield><subfield code="x">2191-0340</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:35</subfield><subfield code="g">year:2014</subfield><subfield code="g">number:2</subfield><subfield code="g">day:4</subfield><subfield code="g">month:09</subfield><subfield code="g">pages:169-180</subfield><subfield code="g">extent:12</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1515/polyeng-2014-0175</subfield><subfield code="z">Deutschlandweit zugänglich</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-DGR</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">35</subfield><subfield code="j">2014</subfield><subfield code="e">2</subfield><subfield code="b">4</subfield><subfield code="c">9</subfield><subfield code="h">169-180</subfield><subfield code="g">12</subfield></datafield></record></collection>
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