Addition of Thermoplastic Starch (TPS) to Binary Blends of Poly(lactic acid) (PLA) with Poly(butylene adipate-<italic style="font-style: italic">co</italic>-terephthalate) (PBAT): Extrusion Compounding, Cast Extrusion and Thermoforming of Home Compostable Materials

Clizia Aversa; Massimiliano Barletta

doi:10.1007/s10118-022-2734-0

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Addition of Thermoplastic Starch (TPS) to Binary Blends of Poly(lactic acid) (PLA) with Poly(butylene adipate-co-terephthalate) (PBAT): Extrusion Compounding, Cast Extrusion and Thermoforming of Home Compostable Materials

RESEARCH ARTICLE | Updated：2022-09-23

- Addition of Thermoplastic Starch (TPS) to Binary Blends of Poly(lactic acid) (PLA) with Poly(butylene adipate-co-terephthalate) (PBAT): Extrusion Compounding, Cast Extrusion and Thermoforming of Home Compostable Materials
- Addition of Thermoplastic Starch (TPS) to Binary Blends of Poly(lactic acid) (PLA) with Poly(butylene adipate-co-terephthalate) (PBAT): Extrusion Compounding, Cast Extrusion and Thermoforming of Home Compostable Materials
- Chinese Journal of Polymer Science 2022年40卷第10期页码：1269-1286
- Affiliations：
  
  Università degli Studi Roma Tre, Dipartimento di Ingegneria Industriale, Elettronica e Meccanica, Via della Vasca Navale 79, 00146 Roma, Italy
- Author bio：
  
  massimiliano.barletta@uniroma3.it
- Funds：
- DOI：10.1007/s10118-022-2734-0
  中图分类号：
- 收稿：2022-01-28，
  
  修回：2022-3-4，
  
  录用：2022-3-12，
  
  网络首发：2022-06-06，
  
  纸质出版：2022-10-01
- Accepted：
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Aversa, C.; Barletta, M. Addition of thermoplastic starch (TPS) to binary blends of poly(lactic acid) (PLA) with poly(butylene adipate-co-terephthalate) (PBAT): extrusion compounding, cast extrusion and thermoforming of home compostable materials. Chinese J. Polym. Sci. 2022, 40, 1269–1286

Clizia Aversa, Massimiliano Barletta. Addition of Thermoplastic Starch (TPS) to Binary Blends of Poly(lactic acid) (PLA) with Poly(butylene adipate-co-terephthalate) (PBAT): Extrusion Compounding, Cast Extrusion and Thermoforming of Home Compostable Materials[J]. Chinese Journal of Polymer Science, 2022, 40(10): 1269-1286. DOI: 10.1007/s10118-022-2734-0.
Aversa, C.; Barletta, M. Addition of thermoplastic starch (TPS) to binary blends of poly(lactic acid) (PLA) with poly(butylene adipate-co-terephthalate) (PBAT): extrusion compounding, cast extrusion and thermoforming of home compostable materials. Chinese J. Polym. Sci. 2022, 40, 1269–1286 DOI： 10.1007/s10118-022-2734-0.

Clizia Aversa, Massimiliano Barletta. Addition of Thermoplastic Starch (TPS) to Binary Blends of Poly(lactic acid) (PLA) with Poly(butylene adipate-co-terephthalate) (PBAT): Extrusion Compounding, Cast Extrusion and Thermoforming of Home Compostable Materials[J]. Chinese Journal of Polymer Science, 2022, 40(10): 1269-1286. DOI: 10.1007/s10118-022-2734-0. DOI：

摘要

Addition of thermoplastic starch to binary PLA/PBAT blends was studied. The compounds were obtained by reactive extrusion and reprocessed by cast extrusion and thermoforming to obtain products suitable for the storage of hot food. PLA/PBAT/TPS blends proved to be very effective

also presenting a high disintegration rate in ambient conditions.

Abstract

Development of home compostable materials based on bioavailable polymers is of high strategic interest as they ensure a significant reduction of the environmental footprint in many production sectors. In this work

the addition of thermoplastic starch to binary PLA/PBAT blends was studied. The compounds were obtained by a reactive extrusion process by means of a co-rotating twin screw extruder. Thermo-mechanical

physical and chemical characterization tests were carried out to highlight the effectiveness of the material design strategy. The compounds were subsequently reprocessed by cast extrusion and thermoforming in order to obtain products suitable for the storage of hot food. The extruded films and the thermoformed containers were further characterized to highlight their thermo-mechanical

physical and chemical properties. Thermo-rheological

mechanical and physical properties of the material and of the cast film were analyzed thoroughly using combined technique as capillary rheometer

MFI

DSC

VICAT/HDT

XRD

FTIR

UV-Vis

SEM

permeability and

lastly

running preliminary chemical inertness and biodegradation tests. Particular attention was also devoted to the evaluation of the thermo-mechanical resistance of the thermoformed containers

where the PLA / PBAT /TPS blends proved to be very effective

also presenting a high disintegration rate in ambient conditions.

关键词

Keywords

references

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DOI：10.1007/s10118-022-2734-0

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