Published November 2019 | Version v1
Journal article Metadata-only

Abiotic Hydrolysis and Compostability of Blends Based on Cassava Starch and Biodegradable Polymers

Creators

  • 1. CCE, State University of Londrina, Department of Biochemistry and Biotechnology (Brazil)
  • 2. Federal University of Technology – Paraná, Department of Environmental Engineering (Brazil)
  • 3. CCA, State University of Londrina, Department of Food Science and Technology (Brazil)
  • 4. Federal University of Technology – Paraná, Department of Chemistry (Brazil)
  • 5. Federal University of Technology – Paraná, Department of Mechanical Engineering (Brazil)

Description

When associated with polymer blends, starch may improve the biodegradability and compostability of other materials. The objectives of this work were to evaluate the abiotic hydrolysis and the composting process of films obtained from polymer blends between thermoplastic starch (TPS) and three other biodegradable polymers: poly[(butylene adipate)- co -(terephthalate)] (PBAT), poly(lactic acid) (PLA) and polyvinyl alcohol (PVA). PVA/TPS stood out as the most homogeneous blend and the one that showed the highest weight loss, with 46.21% of its initial weight remaining after abiotic hydrolysis tests. On the other hand, PBAT/TPS and PLA/TPS underwent more drastic and rapid degradation during composting in contrast to PVA/TPS. They became very fragmented after 21 days of composting, while the PVA/TPS was visually modified but remained unbroken until day 70. No blend sample exerted negative effects on the quality of the compost.

Additional details

Identifiers

DOI
10.1007/s10924-019-01541-9;

Publishing Information

Journal Title
Journal of Polymers and the Environment
Journal Volume
27
Journal Issue
11
Journal Page Range
p. 2577-2587
ISSN
1566-2543

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
51123977
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
BUTENES; CASSAVA; COMPOSTING; FOURIER TRANSFORM SPECTROMETERS; HYDROLYSIS; INFRARED SPECTRA; LACTIC ACID; POLYESTERS; PVA; SCANNING ELECTRON MICROSCOPY; STARCH; THERMOPLASTICS
Descriptors DEC
ALCOHOLS; ALKENES; CARBOHYDRATES; CARBOXYLIC ACIDS; CHEMICAL REACTIONS; DECOMPOSITION; ELECTRON MICROSCOPY; ESTERS; HYDROCARBONS; HYDROXY ACIDS; HYDROXY COMPOUNDS; LYSIS; MAGNOLIOPHYTA; MAGNOLIOPSIDA; MANAGEMENT; MATERIALS; MEASURING INSTRUMENTS; MICROSCOPY; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC POLYMERS; PETROCHEMICALS; PETROLEUM PRODUCTS; PLANTS; PLASTICS; POLYMERS; POLYSACCHARIDES; POLYVINYLS; PROCESSING; REAGENTS; SACCHARIDES; SOLVOLYSIS; SPECTRA; SPECTROMETERS; SYNTHETIC MATERIALS; WASTE MANAGEMENT; WASTE PROCESSING

Optional Information

Copyright
Copyright (c) 2019 Springer Science+Business Media, LLC, part of Springer Nature