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Drakopoulos SX, Vryonis O, Špitalský Z, Peidayesh H, Lendvai L. Thermoplastic Starch Processed under Various Manufacturing Conditions: Thermal and Electrical Properties. Biomacromolecules 2024; 25:5938-5948. [PMID: 39148453 DOI: 10.1021/acs.biomac.4c00602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
Eco-friendly materials like carbohydrate-based polymers are important for a sustainable future. Starch is particularly promising because of its biodegradability and abundance but its processing to thermoplastic starch requires optimization. Here we developed thermoplastic maize starch materials based on three manufacturing protocols, namely: (1) starch/glycerol manual mixing and extrusion, (2) starch/glycerol manual mixing, extrusion, and kneading, (3) starch/glycerol/water manual mixing and kneading. The physical properties were investigated by differential scanning calorimetry, thermogravimetric analysis, and broadband dielectric spectroscopy. As expected from a partially miscible blend, the dielectric spectra revealed two distinct α-relaxations for the glycerol-rich and the starch-rich phases, respectively. By employing kneading after extrusion, the miscibility between the two phases was found to improve based on thermal and dielectric methods. Moreover, the addition of water during the premixing stage was observed to facilitate phase separation between starch and glycerol, with the α-relaxation dynamics of the latter being comparable to pure glycerol.
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Affiliation(s)
- Stavros X Drakopoulos
- Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544, United States
| | - Orestis Vryonis
- Tony Davies High Voltage Laboratory, Department of Electronic and Computer Science, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO17 1BJ, U.K
| | - Zdenko Špitalský
- Polymer Institute, Slovak Academy of Sciences, Dubravska cesta, 9, 845 41 Bratislava, Slovakia
| | - Hamed Peidayesh
- Polymer Institute, Slovak Academy of Sciences, Dubravska cesta, 9, 845 41 Bratislava, Slovakia
| | - László Lendvai
- Department of Materials Science and Engineering, Széchenyi István University, Egyetem tér 1, Győr H-9026, Hungary
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2
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Son D, Lee J, Kim SK, Hong J, Jung H, Shim JK, Kang D. Effect of cellulose nanofiber-montmorillonite hybrid filler on the melt blending of thermoplastic starch composites. Int J Biol Macromol 2024; 254:127236. [PMID: 37797861 DOI: 10.1016/j.ijbiomac.2023.127236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/12/2023] [Accepted: 10/01/2023] [Indexed: 10/07/2023]
Abstract
This study investigated the impact of cellulose nanofibers (CNFs) on montmorillonites (MMTs) exfoliation within thermoplastic starch (TPS) nanocomposites during the melt blending process. TPS nanocomposite films were manufactured using an internal mixer with a controlled ratio of CNFs and MMTs to evaluate the effect of individual and hybrid fillers on the material interactions and characteristics of the TPS composites. The incorporation of hybrid fillers resulted in notable enhancements in torque values and rheological properties, suggesting interactions between the starch, CNFs, and MMTs. The degree of MMT intercalation, obtained via X-ray diffraction analysis, decreased with the addition of CNFs, indicating that CNFs positively impacted MMT exfoliation. Scanning electron microscopy (SEM) images of cryo- and tensile-fractured samples highlighted the effectiveness of CNFs in facilitating MMT exfoliation and reinforcing interactions between the MMTs and TPS matrix. These interactions enhanced the tensile strength and Young's modulus by up to 95.8 % and 278.2 %, respectively, with a 1:1 weight ratio of CNFs to MMTs. Additionally, well-dispersed MMTs within the TPS matrix caused passivation and created tortuous paths, improving the water contact angle and decreasing the water vapor sorption. These synergistic effects of the hybrid filler, achieved through a melt blending process, indicate the potential use of TPS nanocomposites as an eco-friendly packaging material.
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Affiliation(s)
- Dasom Son
- Korea Packaging Center, Korea Institute of Industrial Technology, Bucheon 14449, South Korea; Department of Chemical and Biological Engineering, Korea University, Seoul 02841, South Korea.
| | - Junhyuk Lee
- Korea Packaging Center, Korea Institute of Industrial Technology, Bucheon 14449, South Korea.
| | - Sung Kyu Kim
- Korea Packaging Center, Korea Institute of Industrial Technology, Bucheon 14449, South Korea; Department of Chemical and Biological Engineering, Korea University, Seoul 02841, South Korea.
| | - Jungi Hong
- Korea Packaging Center, Korea Institute of Industrial Technology, Bucheon 14449, South Korea; Department of Energy Engineering, Hanyang University, Seoul 04763, South Korea.
| | - Hyunwook Jung
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, South Korea.
| | - Jin Kie Shim
- Korea Packaging Center, Korea Institute of Industrial Technology, Bucheon 14449, South Korea.
| | - DongHo Kang
- Korea Packaging Center, Korea Institute of Industrial Technology, Bucheon 14449, South Korea.
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Fahmi A, Zavaragh SR, Hanafi MR, Rahimpour H, Zinatloo-Ajabshir S, Asghari A. Facile preparation, characterization, and investigation of mechanical strength of Starchy NaCl-binder as a lightweight construction material. Sci Rep 2023; 13:19042. [PMID: 37923911 PMCID: PMC10624871 DOI: 10.1038/s41598-023-46536-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/02/2023] [Indexed: 11/06/2023] Open
Abstract
Sodium chloride (NaCl), commonly known as salt, is a substance that is utilized in a variety of businesses, including the tourism and construction industries. Therefore, the main purpose of this article is to accommodate a salt-based building material called NaCl-binder for tourist and industrial applications. By utilizing salt mortar with varying grain sizes, food-grade corn starch as an exclusive binder agent (without using any non-starch binder), and water under microwave-cured conditions, environmentally friendly hydrophobic hybrid NaCl-binder samples with low bulk density were successfully produced. The fabrication of these samples involved an inventive utilization of small quantities of starch. This study evaluated the impact of microwave exposure time on the strength of salt samples, particle interconnectivity and chemical composition using SEM, XRD, and XRF analyses. The compressive strength of the samples showed a remarkable increase, with a 600% improvement when using 0 to 1% corn starch, and a 137% increment when using 1 to 10% corn starch, indicating a lower rate of increment with higher starch consumption. A key aspect of this research is the significant reduction in starch consumption compared to other corn starch-based materials during the manufacturing process of the incorporated materials, highlighting its novelty and importance.
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Affiliation(s)
- Ahmad Fahmi
- Department of Civil Engineering, University of Bonab, Bonab, East Azerbaijan, Iran.
| | | | - Mohammad Reza Hanafi
- Department of Civil Engineering, Amirkabir University of Technology, Tehran, Tehran, Iran
| | - Hamed Rahimpour
- Department of Civil Engineering, University of Tabriz, Tabriz, East Azerbaijan, Iran
| | | | - Ali Asghari
- University of Bonab, Bonab, East Azerbaijan, Iran
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4
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Aguirre-Loredo RY, Fonseca-García A, Calambas HL, Salazar-Arango A, Caicedo C. Improvements of thermal and mechanical properties of achira starch/chitosan/clay nanocomposite films. Heliyon 2023; 9:e16782. [PMID: 37292352 PMCID: PMC10245066 DOI: 10.1016/j.heliyon.2023.e16782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/26/2023] [Accepted: 05/26/2023] [Indexed: 06/10/2023] Open
Abstract
Thermoplastic biofilms were developed from achira starch, chitosan and nanoclays using the solvent-casting method. To obtain the filmogenic solutions, different sonication times (0, 10, 20 and 30 min) were considered in order to evaluate the incidence of this parameter on the chemical and physico-mechanical properties of the bionanocomposite films. The chemical analysis using FTIR spectroscopy showed strong intermolecular interactions between the components with increasing sonication times. The results for tensile strength and elongation were satisfactory for films with 20 min of sonication with increases of 154% and 161%, respectively. Morphological analysis showed greater homogeneity, while thermal analysis showed that sonication favoured the plasticization process and thus, the production of homogeneous materials. The water absorption and wettability tests showed less hydrophilic materials allowing these new materials to be considered for use as coatings or packaging for the food sector.
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Affiliation(s)
- Rocio Yaneli Aguirre-Loredo
- Centro de Investigación en Química Aplicada (CIQA), Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila 25294, Mexico
- Investigadoras por México CONACYT-CIQA, Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila 25294, Mexico
| | - Abril Fonseca-García
- Centro de Investigación en Química Aplicada (CIQA), Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila 25294, Mexico
- Investigadoras por México CONACYT-CIQA, Blvd. Enrique Reyna Hermosillo 140, Saltillo, Coahuila 25294, Mexico
| | - Heidy Lorena Calambas
- Grupo de Investigación en Desarrollo de Materials y Productos, Centro Nacional de Asistencia Técnica a la Industria (ASTIN), SENA, Cali, 760003, Colombia
| | - Alejandra Salazar-Arango
- Facultad de Ingeniería, Unidad Central del Valle del Cauca (UCEVA), Carrera 17a 48-144, Tuluá 763022, Colombia
| | - Carolina Caicedo
- Facultad de Ingeniería, Unidad Central del Valle del Cauca (UCEVA), Carrera 17a 48-144, Tuluá 763022, Colombia
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Fekete E, Angyal L, Csiszár E. The Effect of Surface Characteristics of Clays on the Properties of Starch Nanocomposites. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15217627. [PMID: 36363218 PMCID: PMC9654006 DOI: 10.3390/ma15217627] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/20/2022] [Accepted: 10/26/2022] [Indexed: 06/12/2023]
Abstract
In this research, different clays such as laponite and montmorillonite (NaMMT) are used as fillers in the preparation of thermoplastic starch/clay nanocomposites. Thin films are produced by casting and evaporation in a wide composition range, using glycerol as the plasticizer at two different concentrations. The surface energy of clay fillers is measured by inverse gas chromatography (IGC); X-ray diffraction (XRD) and light transmission measurements (UV-VIS) are carried out to characterize the structure of nanocomposites; and mechanical properties and water vapor permeability are also studied. While all the starch/montmorillonite nanocomposites possess intercalated structures, significant exfoliation can be noted in the starch/laponite nanocomposites, mainly at low clay contents. Due to the larger surface energy of montmorillonite, stronger polymer/clay interactions and better mechanical properties can be assumed in starch/NaMMT composites. The smaller surface energy of laponite, however, can facilitate the delamination of laponite layers. Thus, the specific surface area of laponite can be further increased by exfoliation. Based on the results, the better exfoliation and the much larger specific surface area of laponite lead to higher reinforcement in starch/laponite nanocomposites.
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Affiliation(s)
- Erika Fekete
- Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Magyar Tudósok Körútja 2, H-1117 Budapest, Hungary
- Laboratory of Plastics and Rubber Technology, Department of Physical Chemistry and Materials Science, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Lilla Angyal
- Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Magyar Tudósok Körútja 2, H-1117 Budapest, Hungary
- Laboratory of Plastics and Rubber Technology, Department of Physical Chemistry and Materials Science, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Emília Csiszár
- Laboratory of Plastics and Rubber Technology, Department of Physical Chemistry and Materials Science, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
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Daza LD, Parra DO, Rosselló C, Arango WM, Eim VS, Váquiro HA. Influence of Ulluco Starch Modified by Annealing on the Physicochemical Properties of Biodegradable Films. Polymers (Basel) 2022; 14:polym14204251. [PMID: 36297829 PMCID: PMC9610937 DOI: 10.3390/polym14204251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022] Open
Abstract
This work aimed to evaluate the use of annealing (ANN) ulluco starch in the preparation of biodegradable films and its impact on the physicochemical properties of the materials. Three film samples (FS1, FS2, and FS3) were prepared at a fixed starch concentration (2.6% w/v) using glycerol as a plasticizer and then compared to a control sample (FSC) prepared with native ulluco starch. The physical, mechanical, and thermal properties of the films were evaluated. The use of ANN starch decreased the solubility (from 21.8% to 19.5%) and the swelling power (from 299% to 153%) of the film samples. In addition, an increase in opacity and relative crystallinity (from 7.54% to 10.5%) were observed. Regarding the thermal properties, all the samples presented high stability to degradation, with degradation temperatures above 200 °C. However, the samples showed deficiencies in their morphology, which affected the barrier properties. The use of ANN starch has some advantages over native starch in preparing films. However, more analysis is needed to improve the barrier properties of the materials. This work reveals the potential of the ANN ulluco starch for biodegradable film preparation. In addition, the use of modified ulluco starch is an alternative to add value to the crop, as well as to replace non-biodegradable materials used in the preparation of packaging.
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Affiliation(s)
- Luis Daniel Daza
- Department of Chemistry, University of the Balearic Islands, Ctra Valldemossa, km 7.5, 07122 Palma de Mallorca, Baleares, Spain
- Departamento de Producción y Sanidad Vegetal, Facultad Ingeniería Agronómica, Universidad del Tolima, Ibagué 730006, Colombia
- Correspondence: (L.D.D.); (H.A.V.)
| | - Daniela O. Parra
- Departamento de Producción y Sanidad Vegetal, Facultad Ingeniería Agronómica, Universidad del Tolima, Ibagué 730006, Colombia
| | - Carmen Rosselló
- Department of Chemistry, University of the Balearic Islands, Ctra Valldemossa, km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Walter Murillo Arango
- Departamento de Química, Facultad de Ciencias, Universidad del Tolima, Ibagué 730006, Colombia
| | - Valeria Soledad Eim
- Department of Chemistry, University of the Balearic Islands, Ctra Valldemossa, km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Henry Alexander Váquiro
- Departamento de Producción y Sanidad Vegetal, Facultad Ingeniería Agronómica, Universidad del Tolima, Ibagué 730006, Colombia
- Correspondence: (L.D.D.); (H.A.V.)
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7
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Marinopoulou A, Zoumaki M, Goulas A, Raphaelides S, Karageorgiou V. Biodegradable films from spray dried starch inclusion complexes with bioactive compounds – the effect of glycerol and pH. STARCH-STARKE 2022. [DOI: 10.1002/star.202200133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anna Marinopoulou
- Food Process Engineering Laboratory Department of Food Science and Technology International Hellenic University Thessaloniki Greece
- Central Research Laboratory for the Physical and Chemical Testing of Foods Department of Food Science and Technology International Hellenic University Thessaloniki Greece
| | - Maria Zoumaki
- Central Research Laboratory for the Physical and Chemical Testing of Foods Department of Food Science and Technology International Hellenic University Thessaloniki Greece
| | - Athanasios Goulas
- Food Process Engineering Laboratory Department of Food Science and Technology International Hellenic University Thessaloniki Greece
| | - Stylianos Raphaelides
- Food Process Engineering Laboratory Department of Food Science and Technology International Hellenic University Thessaloniki Greece
| | - Vassilis Karageorgiou
- Food Process Engineering Laboratory Department of Food Science and Technology International Hellenic University Thessaloniki Greece
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8
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Corn Starch-Based Sandstone Sustainable Materials: Sand Type and Water Content Effect on Their Structure and Mechanical Properties. SUSTAINABILITY 2022. [DOI: 10.3390/su14148901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A new biodegradable, sustainable and environmentally friendly building material is introduced and studied in this work, which can be applied to lightweight architectural structures, aiming for the reduction of the greenhouse gas emissions and mitigation of the climate change effects. The focus was to investigate the effect of water concentration and different types of sand on the mechanical properties of corn starch-based artificial sandstone. A series of cubic, cylindrical and disk specimens were prepared by varying the concentration of water and using different sources of commercial quartz sand. The quasi-static and cyclic compressive properties of starch-based artificial sandstone samples were measured as a function of water concentration and sand type, while the structure of the artificial sandstone specimens was examined by scanning electron microscopy (SEM) and optical microscopy. Moreover, the Brazilian Test was employed as the indirect method to determine the tensile strength of the samples based on the type of the commercial sand they contained. The experimental results showed that the homogeneous grading of sand grains and the latter’s chemical composition have a significant effect on the mechanical properties of the sandstone samples. The highest compression values were obtained using the microwave heating method at a water concentration of about 12 wt%, while the cyclic compression and Brazilian Tests have shown that the granulometric grading of the sand particles and the chemical composition of the sand influence the compressive and tensile strength of the material.
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9
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Huang X, Ge M, Wang H, Liang H, Meng N, Zhou N. Functional modification of polydimethylsiloxane nanocomposite with silver nanoparticles-based montmorillonite for antibacterial applications. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128666] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Mechanical Characterization and Finite Element Analysis of Hierarchical Sandwich Structures with PLA 3D-Printed Core and Composite Maize Starch Biodegradable Skins. JOURNAL OF COMPOSITES SCIENCE 2022. [DOI: 10.3390/jcs6040118] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
The objective of this research is the fabrication of biodegradable starch-based sandwich materials. The investigated sandwich structures consist of maize starch-based films as skins and biodegradable 3D-printed polylactic filaments (PLA) as the core. To investigate the tensile properties of the skins, conventional and nanocomposite films were prepared by a solution mixing procedure with maize starch and glycerol as the plasticizer, and they were reinforced with sodium montmorillonite clay, cellulose fibers and fiberglass fabric, with different combinations. Test results indicated a significant improvement in the mechanical and morphological properties of composite films prepared with sodium montmorillonite clay in addition with cellulose fibers and fiberglass fabric, with 20 wt% of glycerol. The morphology of the skins was also examined by scanning electron microscopy (SEM). Three orders of hierarchical honeycombs were designed for the 3D-printed core. To investigate how the skin material and the design of the core affect the mechanical properties of the starch-based sandwich, specimens were tested under a three-point bending regime. The test results have shown that the flexural strength of the biodegradable sandwich structure increased with the use of a second order hierarchy core and starch-based skins improved the strength and stiffness of the neat PLA-based honeycomb core. The bending behavior of the hierarchical honeycombs was also assessed with finite element analysis (FEA) in combination with experimental findings. Flexural properties demonstrated that the use of starch-based films and a PLA honeycomb core is a suitable solution for biodegradable sandwich structures.
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11
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Calambas HL, Fonseca A, Adames D, Aguirre-Loredo Y, Caicedo C. Physical-Mechanical Behavior and Water-Barrier Properties of Biopolymers-Clay Nanocomposites. Molecules 2021; 26:molecules26216734. [PMID: 34771143 PMCID: PMC8587553 DOI: 10.3390/molecules26216734] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/28/2021] [Accepted: 11/04/2021] [Indexed: 11/16/2022] Open
Abstract
The preparation and characterization of biodegradable films based on starch-PVA-nanoclay by solvent casting are reported in this study. The films were prepared with a relation of 3:2 of starch:PVA and nanoclay (0.5, 1.0, and 1.5% w/v), and glycerol as plasticizer. The nanoclays before being incorporated in the filmogenic solution of starch-PVA were dispersed in two ways: by magnetic stirring and by sonication. The SEM results suggest that the sonication of nanoclay is necessary to reach a good dispersion along the polymeric matrix. FTIR results of films with 1.0 and 1.5% w/v of sonicated nanoclay suggest a strong interaction of hydrogen bond with the polymeric matrix of starch-PVA. However, the properties of WVP, tensile strength, percentage of elongation at break, and Young’s modulus improved to the film with sonicated nanoclay at 0.5% w/v, while in films with 1.0 and 1.5% w/w these properties were even worse than in film without nanoclay. Nanoclay concentrations higher than 1.0 w/v saturate the polymer matrix, affecting the physicochemical properties. Accordingly, the successful incorporation of nanoclays at 0.5% w/v into the matrix starch-PVA suggests that this film is a good candidate for use as biodegradable packaging.
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Affiliation(s)
- Heidy Lorena Calambas
- Grupo de Investigación en Desarrollo de Materiales y Productos, Centro Nacional de Asistencia Técnica a la Industria (ASTIN), SENA, Cali 760003, Colombia;
| | - Abril Fonseca
- Centro de Investigación en Química Aplicada (CIQA), Blvd. Enrique Reyna Hermosillo 140, Saltillo 25294, Coahuila, Mexico;
- CONACYT-CIQA, Blvd. Enrique Reyna Hermosillo 140, Saltillo 25294, Coahuila, Mexico
| | - Dayana Adames
- Semillero de Investigación en Química Aplicada (SEQUIA), Facultad de Ciencias Básicas, Universidad Santiago de Cali, Pampa linda, Santiago de Cali 760035, Colombia;
| | - Yaneli Aguirre-Loredo
- Centro de Investigación en Química Aplicada (CIQA), Blvd. Enrique Reyna Hermosillo 140, Saltillo 25294, Coahuila, Mexico;
- CONACYT-CIQA, Blvd. Enrique Reyna Hermosillo 140, Saltillo 25294, Coahuila, Mexico
- Correspondence: (Y.A.-L.); (C.C.)
| | - Carolina Caicedo
- Grupo de Investigación en Química y Biotecnología (QUIBIO), Facultad de Ciencias Básicas, Universidad Santiago de Cali, Pampalinda, Santiago de Cali 760035, Colombia
- Correspondence: (Y.A.-L.); (C.C.)
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12
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Increase in the physical performance of nanostructured starch/chitosan blends with montmorillonite. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04907-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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The Role of Structure and Interactions in Thermoplastic Starch-Nanocellulose Composites. Polymers (Basel) 2021; 13:polym13183186. [PMID: 34578087 PMCID: PMC8473391 DOI: 10.3390/polym13183186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/16/2021] [Accepted: 09/16/2021] [Indexed: 11/17/2022] Open
Abstract
Composite films were fabricated by using cellulose nanocrystals (CNCs) as reinforcement up to 50 wt% in thermoplastic starch (TPS). Structure and interactions were modified by using different types (glycerol and sorbitol) and different amounts (30 and 40%) of plasticizers. The structure of the composites was characterized by visible spectroscopy, Haze index measurements, and scanning electron microscopy. Tensile properties were determined by tensile testing, and the effect of CNC content on vapor permeability was investigated. Although all composite films are transparent and can hardly be distinguished by human eyes, the addition of CNCs somewhat decreases the transmittance of the films. This can be related to the increased light scattering of the films, which is caused by the aggregation of nanocrystals, leading to the formation of micron-sized particles. Nevertheless, strength is enhanced by CNCs, mostly in the composite series prepared with 30% sorbitol. Additionally, the relatively high water vapor permeability of TPS is considerably decreased by the incorporation of at least 20 wt% CNCs. Reinforcement is determined mostly by the competitive interactions among starch, nanocellulose, and plasticizer molecules. The aging of the films is caused by the additional water uptake from the atmosphere and the retrogradation of starch.
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Derungs I, Rico M, López J, Barral L, Montero B, Bouza R. Influence of the hydrophilicity of montmorillonite on structure and properties of thermoplastic wheat starch/montmorillonite bionanocomposites. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5450] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Irene Derungs
- Grupo de Polímeros, Departamento de Física y Ciencias de la Tierra Universidade da Coruña, Escuela Universitaria Politécnica Ferrol Spain
| | - Maite Rico
- Grupo de Polímeros, Departamento de Física y Ciencias de la Tierra Universidade da Coruña, Escuela Universitaria Politécnica Ferrol Spain
| | - Joaquín López
- Grupo de Polímeros, Departamento de Física y Ciencias de la Tierra Universidade da Coruña, Escuela Universitaria Politécnica Ferrol Spain
| | - Luis Barral
- Grupo de Polímeros, Departamento de Física y Ciencias de la Tierra Universidade da Coruña, Escuela Universitaria Politécnica Ferrol Spain
- Cellular and Molecular Cardiology Research Unit. Institute of Biomedical Research (IDIS‐SERGAS) University Clinical Hospital Santiago de Compostela Spain
| | - Belén Montero
- Grupo de Polímeros, Departamento de Física y Ciencias de la Tierra Universidade da Coruña, Escuela Universitaria Politécnica Ferrol Spain
| | - Rebeca Bouza
- Grupo de Polímeros, Departamento de Física y Ciencias de la Tierra Universidade da Coruña, Escuela Universitaria Politécnica Ferrol Spain
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Osman AF, Siah L, Alrashdi AA, Ul-Hamid A, Ibrahim I. Improving the Tensile and Tear Properties of Thermoplastic Starch/Dolomite Biocomposite Film through Sonication Process. Polymers (Basel) 2021; 13:274. [PMID: 33467685 PMCID: PMC7830891 DOI: 10.3390/polym13020274] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/05/2021] [Accepted: 01/08/2021] [Indexed: 02/05/2023] Open
Abstract
In this work, dolomite filler was introduced into thermoplastic starch (TPS) matrix to form TPS-dolomite (TPS-DOL) biocomposites. TPS-DOL biocomposites were prepared at different dolomite loadings (1 wt%, 2 wt%, 3 wt%, 4 wt% and 5 wt%) and by using two different forms of dolomite (pristine (DOL(P) and sonicated dolomite (DOL(U)) via the solvent casting technique. The effects of dolomite loading and sonication process on the mechanical properties of the TPS-DOL biocomposites were analyzed using tensile and tear tests. The chemistry aspect of the TPS-DOL biocomposites was analyzed using Fourier transform infrared spectroscopy (FTIR) and X-Ray Diffraction (XRD) analysis. According to the mechanical data, biocomposites with a high loading of dolomite (4 and 5 wt%) possess greater tensile and tear properties as compared to the biocomposites with a low loading of dolomite (1 and 2 wt%). Furthermore, it is also proved that the TPS-DOL(U) biocomposites have better mechanical properties when compared to the TPS-DOL(P) biocomposites. Reduction in the dolomite particle size upon the sonication process assisted in its dispersion and distribution throughout the TPS matrix. Thus, this led to the improvement of the tensile and tear properties of the biocomposite. Based on the findings, it is proven that the sonication process is a simple yet beneficial technique in the production of the TPS-dolomite biocomposites with improved tensile and tear properties for use as packaging film.
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Affiliation(s)
- Azlin Fazlina Osman
- Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia; (L.S.); (I.I.)
- Biomedical and Nanotechnology Research Group, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia
| | - Lilian Siah
- Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia; (L.S.); (I.I.)
| | - Awad A. Alrashdi
- Chemistry Department, Umm Al-Qura University, Al-Qunfudah University College, Al-Qunfudah Center for Scientific Research (QCSR), Al Qunfudah 21962, Saudi Arabia;
| | - Anwar Ul-Hamid
- Center for Engineering Research, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia;
| | - Ismail Ibrahim
- Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia; (L.S.); (I.I.)
- Biomedical and Nanotechnology Research Group, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), Universiti Malaysia Perlis (UniMAP), Arau 02600, Malaysia
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Mansour G, Zoumaki M, Marinopoulou A, Tzetzis D, Prevezanos M, Raphaelides SN. Characterization and properties of non-granular thermoplastic starch—Clay biocomposite films. Carbohydr Polym 2020; 245:116629. [DOI: 10.1016/j.carbpol.2020.116629] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 05/22/2020] [Accepted: 06/08/2020] [Indexed: 10/24/2022]
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17
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Mansour G, Zoumaki M, Marinopoulou A, Raphaelides SN, Tzetzis D, Zoumakis N. Investigation on the Effects of Glycerol and Clay Contents on the Structure and Mechanical Properties of Maize Starch Nanocomposite Films. STARCH-STARKE 2020. [DOI: 10.1002/star.201900166] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Gabriel Mansour
- Department of Mechanical EngineeringLaboratory of Machine Tools and Manufacturing EngineeringAristotle University of Thessaloniki 54124 Thessaloniki Greece
| | - Maria Zoumaki
- Department of Mechanical EngineeringLaboratory of Machine Tools and Manufacturing EngineeringAristotle University of Thessaloniki 54124 Thessaloniki Greece
| | - Anna Marinopoulou
- Department of Food Science and TechnologyCentral Research Laboratory for the Physical and Chemical Testing of FoodsInternational Hellenic University 57 400 Thessaloniki Greece
| | - Stylianos N. Raphaelides
- Department of Food Science and TechnologyCentral Research Laboratory for the Physical and Chemical Testing of FoodsInternational Hellenic University 57 400 Thessaloniki Greece
| | - Dimitris Tzetzis
- School of Science and TechnologyInternational Hellenic University 570 01 Thessaloniki Greece
| | - Nikolaos Zoumakis
- Department of Food Science and TechnologyCentral Research Laboratory for the Physical and Chemical Testing of FoodsInternational Hellenic University 57 400 Thessaloniki Greece
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Fekete E, Bella É, Csiszár E, Móczó J. Improving physical properties and retrogradation of thermoplastic starch by incorporating agar. Int J Biol Macromol 2019; 136:1026-1033. [DOI: 10.1016/j.ijbiomac.2019.06.109] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/22/2019] [Accepted: 06/15/2019] [Indexed: 11/24/2022]
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19
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Zdanowicz M, Staciwa P, Jędrzejewski R, Spychaj T. Sugar Alcohol-Based Deep Eutectic Solvents as Potato Starch Plasticizers. Polymers (Basel) 2019; 11:polym11091385. [PMID: 31450743 PMCID: PMC6780061 DOI: 10.3390/polym11091385] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/16/2019] [Accepted: 08/21/2019] [Indexed: 11/16/2022] Open
Abstract
The aim of this work was to prepare sugar alcohol-based deep eutectic solvents (DES) and test them as starch plasticizers. Thermoplastic starch (TPS) films were obtained via a simple and convenient thermocompression method. Influence of starch/DES premixtures conditioning (preheating, storage time) on TPS properties was investigated. TPS/sorbitol (S)-based DES exhibited similar tensile strength (TS) (8.6 MPa) but twice higher elongation at the break (ε) (33%) when compared with TPS plasticized only with S. Extra treatment, i.e., heating or prolonged storage time, facilitated starch/DES plasticizing. Starch with selected DES was also extruded and the influence of preconditioning and extrusion rotational speed were subsequently studied on thermocompressed films. Extrusion at 100 rpm led to films with TS up to ca. 10 MPa and ε up to 52%. Some differences in film samples morphology obtained via two processing methods were observed. X-ray diffractograms revealed that extruded samples exhibited a V-type peak at 18.2°, with intensity depending on plasticizer total molecular size. Applied techniques (mechanical tests, XRD, Dynamic Mechanical Analysis (DMA), FTIR-Attenuated Total Reflection (ATR), and moisture sorption) indicated that S-based DES forms stronger interactions with starch than glycerol (G) only used as conventional plasticizer, thus leading to better mechanical properties and inhibited tendency to starch recrystallization (studied up to one year).
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Affiliation(s)
- Magdalena Zdanowicz
- Polymer Institute, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology Szczecin, Ul. Pulaskiego 10, 70-322 Szczecin, Poland.
| | - Piotr Staciwa
- Polymer Institute, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology Szczecin, Ul. Pulaskiego 10, 70-322 Szczecin, Poland
| | - Roman Jędrzejewski
- Institute of Materials Engineering, Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology Szczecin, Al. Piastow 10, 70-310 Szczecin, Poland
| | - Tadeusz Spychaj
- Polymer Institute, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology Szczecin, Ul. Pulaskiego 10, 70-322 Szczecin, Poland
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Bioinspired approach to enhance mechanical properties of starch based nacre-mimetic nanocomposite. Carbohydr Polym 2019; 221:113-119. [PMID: 31227149 DOI: 10.1016/j.carbpol.2019.05.090] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 11/20/2022]
Abstract
In this work, a facile biomimetic method was proposed to enhance the interfacial adhesion between layered clay and polymer matrix inspired by strong adhesion of mussel adhesive proteins. Montmorillonite (MMT) was coated with a thin layer of polydopamine (PDA) through self-polymerization of dopamine (DA) and subsequently assembled with corn starch (CS) to generate CS/MMT-DA nanocomposite. FTIR, XPS, SEM and XRD results demonstrated that PDA coating benefited not only the intercalation and dispersion of the modified MMT (MMT-DA) in the polymer matrix but also the strong interfacial adhesion between filler and matrix. The tensile strength of CS/MMT-DA nanocomposites was largely enhanced by increasing the amount of DA or polymerization time. This work can largely expand the application of MMT and provide a new idea for preparing high performance starch nanocomposites.
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Olad A, Bastanian M, Bakht Khosh Hagh H. Thermodynamic and Kinetic Studies of Removal Process of Hexavalent Chromium Ions from Water by Using Bio-conducting Starch–Montmorillonite/Polyaniline Nanocomposite. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01152-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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22
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Lendvai L, Sajó I, Karger-Kocsis J. Effect of Storage Time on the Structure and Mechanical Properties of Starch/Bentonite Nanocomposites. STARCH-STARKE 2018. [DOI: 10.1002/star.201800123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- László Lendvai
- Department of Polymer Engineering; Faculty of Mechanical Engineering; Budapest University of Technology and Economics; Műegyetem rkp. 3., H-1111 Budapest Hungary
- Department of Materials Science and Technology; Széchenyi István University; Egyetem tér 1., H-9026 Győr Hungary
| | - István Sajó
- Szentágothai Research Centre; University of Pécs; Ifjúság útja 20., H-7624 Pécs Hungary
| | - József Karger-Kocsis
- Department of Polymer Engineering; Faculty of Mechanical Engineering; Budapest University of Technology and Economics; Műegyetem rkp. 3., H-1111 Budapest Hungary
- MTA-BME Research Group for Composite Science and Technology; Műegyetem rkp. 3., H-1111 Budapest Hungary
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23
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Li JL, Zhou M, Cheng G, Cheng F, Lin Y, Zhu PX. Comparison of Mechanical Reinforcement Effects of Cellulose Nanofibers and Montmorillonite in Starch Composite. STARCH-STARKE 2018. [DOI: 10.1002/star.201800114] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jia-Li Li
- Textile Institute; College of Light Industry, Textile and Food Engineering; Sichuan University; Chengdu 610065 China
| | - Mi Zhou
- Textile Institute; College of Light Industry, Textile and Food Engineering; Sichuan University; Chengdu 610065 China
| | - Geng Cheng
- Textile Institute; College of Light Industry, Textile and Food Engineering; Sichuan University; Chengdu 610065 China
| | - Fei Cheng
- Textile Institute; College of Light Industry, Textile and Food Engineering; Sichuan University; Chengdu 610065 China
| | - Yi Lin
- Textile Institute; College of Light Industry, Textile and Food Engineering; Sichuan University; Chengdu 610065 China
| | - Pu-Xin Zhu
- Textile Institute; College of Light Industry, Textile and Food Engineering; Sichuan University; Chengdu 610065 China
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24
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Qin Y, Wang W, Zhang H, Dai Y, Hou H, Dong H. Effects of Organic Modification of Montmorillonite on the Properties of Hydroxypropyl Di-Starch Phosphate Films Prepared by Extrusion Blowing. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E1064. [PMID: 29937489 PMCID: PMC6073293 DOI: 10.3390/ma11071064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/17/2018] [Accepted: 06/20/2018] [Indexed: 11/16/2022]
Abstract
The knowledge gained from starch-nanocomposite-film research has not been fully applied commercially because of the lack of appropriate industrial processing techniques for nanofillers and starch films. Three organically modified montmorillonites (OMMTs) were prepared using a semidry kneading method. The effects of the OMMTs on the structures and properties of starch nanocomposite films, prepared by extrusion blowing, were investigated. The X-ray diffraction (XRD) analysis results revealed that the OMMTs with various quaternary ammonium salts possessed differing layer structures and d-space values. The results of the XRD and Fourier-transform infrared spectroscopy (FT-IR) showed that the starch⁻OMMT interaction resulted in a structural change, namely the starch⁻OMMT films possessed a balanced exfoliated and intercalated nanostructure, while the starch⁻MMT film possessed an exfoliated nanostructure with non-intercalated montmorillonite (MMT). The results of the solid-state nuclear magnetic resonance (NMR) analysis suggested that the starch-OMMT nanocomposite possessed comparatively large quantities of single-helix structures and micro-ordered amorphous regions. The starch⁻OMMT films exhibited good tensile strength (TS) (maximum of 6.09 MPa) and water barrier properties (minimum of 3.48 × 10−10 g·m·m−2·s−1·Pa−1). This study indicates that the addition of OMMTs is a promising strategy to improve the properties of starch films.
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Affiliation(s)
- Yang Qin
- Department of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271000, China.
| | - Wentao Wang
- Department of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271000, China.
- Engineering and Technology Center for Grain Processing of Shandong Province, Tai'an 271000, China.
| | - Hui Zhang
- Department of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271000, China.
- Engineering and Technology Center for Grain Processing of Shandong Province, Tai'an 271000, China.
| | - Yangyong Dai
- Department of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271000, China.
- Engineering and Technology Center for Grain Processing of Shandong Province, Tai'an 271000, China.
| | - Hanxue Hou
- Department of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271000, China.
- Engineering and Technology Center for Grain Processing of Shandong Province, Tai'an 271000, China.
| | - Haizhou Dong
- Department of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an 271000, China.
- Engineering and Technology Center for Grain Processing of Shandong Province, Tai'an 271000, China.
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25
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Romero-Bastida C, Tapia-Blácido D, Méndez-Montealvo G, Bello-Pérez L, Velázquez G, Alvarez-Ramirez J. Effect of amylose content and nanoclay incorporation order in physicochemical properties of starch/montmorillonite composites. Carbohydr Polym 2016; 152:351-360. [DOI: 10.1016/j.carbpol.2016.07.009] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2016] [Revised: 06/27/2016] [Accepted: 07/03/2016] [Indexed: 11/29/2022]
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26
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Lendvai L, Karger-Kocsis J, Kmetty Á, Drakopoulos SX. Production and characterization of microfibrillated cellulose-reinforced thermoplastic starch composites. J Appl Polym Sci 2015. [DOI: 10.1002/app.42397] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- László Lendvai
- Department of Polymer Engineering; Faculty of Mechanical Engineering, Budapest University of Technology and Economics; Muegyetem rkp. 3. H-1111 Budapest Hungary
| | - József Karger-Kocsis
- Department of Polymer Engineering; Faculty of Mechanical Engineering, Budapest University of Technology and Economics; Muegyetem rkp. 3. H-1111 Budapest Hungary
- MTA-BME Research Group for Composite Science and Technology; Muegyetem rkp. 3. H-1111 Budapest Hungary
| | - Ákos Kmetty
- Department of Polymer Engineering; Faculty of Mechanical Engineering, Budapest University of Technology and Economics; Muegyetem rkp. 3. H-1111 Budapest Hungary
- MTA-BME Research Group for Composite Science and Technology; Muegyetem rkp. 3. H-1111 Budapest Hungary
| | - Stavros X. Drakopoulos
- Department of Polymer Engineering; Faculty of Mechanical Engineering, Budapest University of Technology and Economics; Muegyetem rkp. 3. H-1111 Budapest Hungary
- Department of Materials Science; University of Patras; Patras GR-26504 Greece
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