Influence of incorporation of starch nanoparticles in PBAT/TPS composite films

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Films of PBAT/TPS (poly(butylene adipate-co-terephthalate)/thermoplastic starch) (starch plasticized with glycerol containing citric and stearic acids) without and with 0.6 wt% starch nanoparticles were produced by extrusion. The presence of nanoparticles during the extrusion process led to a higher...

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Autor principal: González Seligra, P.
Otros Autores: Eloy Moura, L., Famá, L., Druzian, J.I, Goyanes, Silvia Nair
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: John Wiley and Sons Ltd 2016
Acceso en línea:Registro en Scopus
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100 1 |a González Seligra, P. 
245 1 0 |a Influence of incorporation of starch nanoparticles in PBAT/TPS composite films 
260 |b John Wiley and Sons Ltd  |c 2016 
270 1 0 |m Goyanes, S.; LP & MC, Dep. de Física – IFIBA (CONICET), FCEyN, UBA, Ciudad UniversitariaArgentina; email: sgoyanes@gmail.com 
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506 |2 openaire  |e Política editorial 
520 3 |a Films of PBAT/TPS (poly(butylene adipate-co-terephthalate)/thermoplastic starch) (starch plasticized with glycerol containing citric and stearic acids) without and with 0.6 wt% starch nanoparticles were produced by extrusion. The presence of nanoparticles during the extrusion process led to a higher degree of starch gelatinization improving starch compatibility with PBAT. Nanoparticles modified the interaction between the different components of the PBAT/TPS composite. The hydroxyl groups of the starch nanoparticles interacted with starch amylose by means of hydrogen bonds. In addition, nanoparticles modified the structure of the PBAT rigid segment (BT): a shift of Tm of BT toward lower temperatures and a slight shift of the relaxation of the BT segment to higher temperatures were observed. The incorporation of nanoparticles also had a reinforcing effect on the PBAT/TPS matrix. The composite presented slight increases of Young's modulus (E) and stress at break (σb) without affecting the strain at break (ϵb). The rate of biodegradability was improved with the use of starch nanoparticles. The composite showed faster deterioration than the matrix, showing the first changes in its tonality and breakdowns at only 6 days of burial in compost. © 2016 Society of Chemical Industry. © 2016 Society of Chemical Industry  |l eng 
593 |a LP & MC, Dep. de Física – IFIBA (CONICET), FCEyN, UBA, Ciudad Universitaria, CABA, 1428, Argentina 
593 |a Department of Bromatological Analysis, College of Pharmacy, Federal University of Bahia, Barão of Geremoabo Street, Ondina, Salvador, Bahia 40171-970, Brazil 
690 1 0 |a BIODEGRADABILITY 
690 1 0 |a PBAT 
690 1 0 |a STARCH NANOPARTICLES 
690 1 0 |a THERMAL PROPERTIES 
690 1 0 |a TPS 
690 1 0 |a BIODEGRADABILITY 
690 1 0 |a CHEMICAL INDUSTRY 
690 1 0 |a COMPOSTING 
690 1 0 |a ELASTIC MODULI 
690 1 0 |a EXTRUSION 
690 1 0 |a GELATION 
690 1 0 |a HYDROGEN BONDS 
690 1 0 |a NANOPARTICLES 
690 1 0 |a STARCH 
690 1 0 |a THERMODYNAMIC PROPERTIES 
690 1 0 |a EXTRUSION PROCESS 
690 1 0 |a HYDROXYL GROUPS 
690 1 0 |a LOWER TEMPERATURES 
690 1 0 |a PBAT 
690 1 0 |a POLIES (BUTYLENE ADIPATE CO TEREPHTHALATE) 
690 1 0 |a REINFORCING EFFECTS 
690 1 0 |a STARCH GELATINIZATION 
690 1 0 |a STARCH NANOPARTICLES 
690 1 0 |a NANOCOMPOSITE FILMS 
700 1 |a Eloy Moura, L. 
700 1 |a Famá, L. 
700 1 |a Druzian, J.I. 
700 1 |a Goyanes, Silvia Nair 
773 0 |d John Wiley and Sons Ltd, 2016  |g v. 65  |h pp. 938-945  |k n. 8  |p Polym. Int.  |x 09598103  |t Polymer International 
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