Biodegradable, UV absorber and thermal stable bioplastic films from waxy corn starch/polyvinyl alcohol blends

Chemically modified waxy corn starch is a promising material for biodegradable bioplastic synthesis. This work is to study the film performance and microbial enzymatic biodegradation of the film made from chemically modified waxy corn starch according to the effect of pre-gelatinization and cardanol...

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Bibliographic Details
Published in:Biomass conversion and biorefinery 2024, Vol.14 (22), p.27989-28006
Main Authors: Yahia, Ramadan, Owda, Medhat E., Abou-Zeid, Ragab E., Abdelhai, F., El-Gamil, Hesham Y., Abdo, Abdullah M., Ali, Ali A.
Format: Article
Language:English
Subjects:
Absorbers
Biodegradation
Bioplastics
Biopolymers
Biotechnology
Competitive materials
Corn
Crystal structure
Crystallinity
Degradation
Diffraction patterns
Electron microscopes
Energy
High performance liquid chromatography
Infrared analysis
Mechanical properties
Microorganisms
Original Article
Plasticizers
Polymer blends
Polyvinyl alcohol
Renewable and Green Energy
Soil mixtures
Soil testing
Sorbitol
Specialty products
Thermal stability
Water vapor
Weight loss
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Summary:Chemically modified waxy corn starch is a promising material for biodegradable bioplastic synthesis. This work is to study the film performance and microbial enzymatic biodegradation of the film made from chemically modified waxy corn starch according to the effect of pre-gelatinization and cardanol oil with various ratios as a mixed plasticizer with sorbitol. The preparation of biodegradable bioplastic films from waxy maize acetylated di-starch adipate (WADA) and waxy maize pregelatinized acetylated di-starch adipate (PWADA) blended with polyvinyl alcohol polymer using sorbitol and cardanol oil mixture as plasticizers were performed. Characterization of biodegradability by enzymes mixture of (alpha-amylase and glucoamylase) and soil burial test. The weight loss reached 96% and the degradation percentage reached 95.5% of PWADA and these results were significantly ( p  
ISSN:2190-6815
2190-6823
DOI:10.1007/s13399-022-03683-8