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Synthesis and Characterization of Lactic Acid Oligomers: Evaluation of Performance as Poly(Lactic Acid) Plasticizers

Journal of polymers and the environment, 2014-06, Vol.22 (2), p.227-235 [Peer Reviewed Journal]

Springer Science+Business Media New York 2013 ;2015 INIST-CNRS ;Springer Science+Business Media New York 2014 ;ISSN: 1566-2543 ;EISSN: 1572-8919 ;DOI: 10.1007/s10924-013-0628-5

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Title:
Synthesis and Characterization of Lactic Acid Oligomers: Evaluation of Performance as Poly(Lactic Acid) Plasticizers
Author: Burgos, Nuria ; Tolaguera, Daniel ; Fiori, Stefano ; Jiménez, Alfonso
Subjects: Applied sciences ; Biodegradability ; Chemical synthesis ; Chemistry ; Chemistry and Materials Science ; Environmental Chemistry ; Environmental Engineering/Biotechnology ; Exact sciences and technology ; Formulations ; Industrial Chemistry/Chemical Engineering ; Lactic acid ; Materials Science ; Materials selection ; Oligomers ; Organic polymers ; Original Paper ; Physicochemistry of polymers ; Plasticizers ; Plastics ; Polylactic acid ; Polymer Sciences ; Polymers ; Properties and characterization ; Rheology and viscoelasticity ; Synthesis
Is Part Of: Journal of polymers and the environment, 2014-06, Vol.22 (2), p.227-235
Description: The use of fully bio-based and biodegradable materials for massive applications, such as food packaging, is an emerging tendency in polymer research. But the formulations proposed in this way should preserve or even increase the functional properties of conventional polymers, such as transparency, homogeneity, mechanical properties and low migration of their components to foodstuff. This is not always trivial, in particular when brittle biopolymers, such as poly(lactic acid) (PLA), are considered. In this work the formulation of innovative materials based on PLA modified with highly compatible plasticizers, i.e. oligomers of lactic acid (OLAs) is proposed. Three different synthesis conditions for OLAs were tested and the resulting additives were further blended with commercial PLA obtaining transparent and ductile materials, able for films manufacturing. These materials were tested in their structural, thermal and tensile properties and the best formulation among the three materials was selected. OLA with molar mass (M n ) around 1,000 Da is proposed as an innovative and fully compatible and biodegradable plasticizer for PLA, able to replace conventional plasticizers (phthalates, adipates or citrates) currently used for films manufacturing in food packaging applications.
Publisher: Boston: Springer US
Language: English
Identifier: ISSN: 1566-2543
EISSN: 1572-8919
DOI: 10.1007/s10924-013-0628-5
Source: Alma/SFX Local Collection
ProQuest Central

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Synthesis and Characterization of Lactic Acid Oligomers: Evaluation of Performance as Poly(Lactic Acid) Plasticizers

Springer Science+Business Media New York 2013 ;2015 INIST-CNRS ;Springer Science+Business Media New York 2014 ;ISSN: 1566-2543 ;EISSN: 1572-8919 ;DOI: 10.1007/s10924-013-0628-5

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