Synthesis of biodegradable plastics using corn starch and corn husk as the fillers as well as chitosan and sorbitol

Four different plastics were tested: potato starch based plastic (TPS-P)–BIOPLAST GF 106/02; corn starch based plastic (TPS-C)–BioComp BF 01HP; polylactic acid (polylactide) plastic (PLA)—BioComp BF 7210 and low density polyethylene, trade name Malen E FABS 23-D022; as a petrochemical reference sample. Using the blown film extrusion method and various screw rotational speeds, films were obtained and tested, as a result of which the following were determined: breaking stress, strain at break, static and dynamic friction coefficient of film in longitudinal and transverse direction, puncture resistance and strain at break, color, brightness and gloss of film, surface roughness, barrier properties and microstructure. The biodegradable plastics tested are characterized by comparable or even better mechanical strength than petrochemical polyethylene for the range of film blowing processing parameters used here. The effect of the screw rotational speed on the mechanical characteristics of the films obtained was also demonstrated. With the increase in the screw rotational speed, the decrease of barrier properties was also observed. No correlation between roughness and permeability of gases and water vapor was shown. It was indicated that biodegradable plastics might be competitive for conventional petrochemical materials used in film blowing niche applications where cost, recyclability, optical and water vapor barrier properties are not critical.

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The effects of the addition of corn husk fibre, kaolin and beeswax on cross-linked corn starch foam

Journal of Food Engineering ◽

10.1016/j.jfoodeng.2012.12.017 ◽

2013 ◽

Vol 116 (2) ◽

pp. 267-276 ◽

Cited By ~ 31

Author(s):

Süleyman Polat ◽

Mustafa-Kemal Uslu ◽

Ahmet Aygün ◽

Muharrem Certel

Keyword(s):

Corn Starch ◽

Corn Husk

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Contributions for Producing Biodegradabile Shock Absorbent Packaging

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Agriculture ◽

10.15835/buasvmcn-agr:5071 ◽

2010 ◽

Vol 67 (2) ◽

Author(s):

Nicolae CIOICA ◽

Maria TOMOAIA-COTIŞEL ◽

Mihaela NAGY ◽

Ossi HOROVITZ ◽

Constantin COŢA

Keyword(s):

Large Class ◽

Corn Starch ◽

Biodegradable Plastics ◽

Technological Parameters ◽

Technical Requirements ◽

Research Institutes ◽

Manufacture Process ◽

Starch Extrusion ◽

Loose Fill

Making biodegradable plastics is a concern of recent years, research in this field from universities, research institutes and enterprises are continuously developing. Biodegradable loose fill shock absorbent packaging are also part of the large class of biodegradable plastics and it is necessary for them to ensure, besides biodegradability, a number of technical requirements deriving from their utilization purposes: protection of breakable products during handling and transport. Packaging properties depends on both the type and proportion of materials that are part of the formula and the technology used in its manufacture, process characterized by certain technological parameters. This paper presents some results obtained making a biodegradable loose fill packaging by corn-starch extrusion in the presence of plasticizers.

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Synthesis of biodegradable plastic from corn starch and corn husk filler with addition of glycerol as plasticizer and variation of chitosan composition

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/902/1/012037 ◽

2020 ◽

Vol 902 ◽

pp. 012037

Author(s):

R Azsarinka ◽

D Saleh ◽

E Djonaedi

Keyword(s):

Corn Starch ◽

Biodegradable Plastic ◽

Corn Husk

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Modern Biodegradable Plastics—Processing and Properties: Part I

Materials ◽

10.3390/ma13081986 ◽

2020 ◽

Vol 13 (8) ◽

pp. 1986 ◽

Cited By ~ 4

Author(s):

Janusz Sikora ◽

Łukasz Majewski ◽

Andrzej Puszka

Keyword(s):

Mass Flow Rate ◽

Mass Flow ◽

Flow Rate ◽

Corn Starch ◽

Blow Up ◽

Potato Starch ◽

Biodegradable Plastics ◽

Scanning Calorimetry ◽

Melt Flow Rate ◽

Plastic Films

This paper presents a characterization of a plastic extrusion process and the selected properties of three biodegradable plastic types, in comparison with LDPE (low-density polyethylene). The four plastics include: LDPE, commercial name Malen E FABS 23-D022; potato starch based plastic (TPS-P), BIOPLAST GF 106/02; corn starch based plastic (TPS-C), BioComp®BF 01HP; and a polylactic acid (polylactide) plastic (PLA), BioComp®BF 7210. Plastic films with determined geometric parameters (thickness of the foil layer and width of the flattened foil sleeve) were produced from these materials (at individually defined processing temperatures), using blown film extrusion, by applying different extrusion screw speeds. The produced plastic films were tested to determine the geometrical features, MFR (melt flow rate), blow-up ratio, draw down ratio, mass flow rate, and exit velocity. The tests were complemented by thermogravimetry, differential scanning calorimetry, and chemical structure analysis. It was found that the biodegradable films were extruded at higher rate and mass flow rate than LDPE; the lowest thermal stability was ascertained for the film samples extruded from TPS-C and TPS-P, and that all tested biodegradable plastics contained polyethylene.

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Extraction, chemical composition, and characterization of potential lignocellulosic biomasses and polymers from corn plant parts

BioResources ◽

10.15376/biores.14.3.6485-6500 ◽

2019 ◽

Vol 14 (3) ◽

pp. 6485-6500 ◽

Cited By ~ 1

Author(s):

M. I. J. Ibrahim ◽

S. M. Sapuan ◽

E. S. Zainudin ◽

M. Y. M. Zuhri

Keyword(s):

Thermal Stability ◽

Chemical Composition ◽

Surface Morphology ◽

Corn Starch ◽

Amylose Content ◽

Crystallinity Index ◽

Cellulose Content ◽

Corn Plant ◽

Plant Parts ◽

Corn Husk

Corn is a plant that can be used as a potential source of biomass for various biomaterial applications. Thermoplastic corn starch and corn hull, husk, and stalk fibers were extracted from different corn plant parts. The chemical composition, physical properties, thermal stability, crystallinity index, and surface morphology of the extracted samples were characterized on a powder basis. The corn husk and corn starch revealed an excellent combination of properties. Corn husk provided the highest cellulose content as well as the most favorable surface morphology. Corn starch revealed acceptable amylose content and tolerable thermal stability. The cellulose and starch demonstrated an excellent correlation between the function and structure of biomolecules. Hence, both corn starch and husk have potential for use in many applications of the biomaterial.

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BIOPLASTIC PRODUCTION USING CORN STARCH WITH NATURAL FILLERS AND ITS SEM-EDS REPORT

PLANT ARCHIVES ◽

10.51470/plantarchives.2021.v21.no1.040 ◽

2021 ◽

Vol 21 (no 1) ◽

Author(s):

S. Sharmila ◽

P. Ravi Teja ◽

D. Vijay Chandra Gangadhar Gupta ◽

P. Kaviya Lakshmi ◽

R. Kamalambigeswari ◽

...

Keyword(s):

Environmental Impacts ◽

Diethyl Ether ◽

Corn Starch ◽

Morphological Characteristics ◽

Biodegradable Plastics ◽

Crystal Formation ◽

Folding Endurance ◽

Commercial Applications ◽

Natural Fillers

Due to the negative environmental impacts of synthetic plastics, the development of biodegradable plastics for both industrial and commercial applications is essential today. Researchers have developed various starch-based composites for different applications. The present work investigates the corn starch based bio plastic with filler. Glycerol was used as a plasticizing agent. Different parameters such as elongation, solubility in different solvents such as chloroform, ethanol, water, diethyl ether and folding endurance were tested. Morphological characteristics of produced bio plastic was also analyzed by SEM-EDS. Results showed that the bio plastics were completely soluble in water and partially soluble in ethanol, diethyl ether and chloroform and it has only one folding ability. SEM report shows that the surface is homogenous and crystal formation is visible.

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