Compatibilization of starch–zein melt processed blends by an ionic liquid used as plasticizer

doi:10.1016/J.CARBPOL.2012.04.044

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Compatibilization of starch–zein melt processed blends by an ionic liquid used as plasticizer

Journal Article•DOI•

Compatibilization of starch–zein melt processed blends by an ionic liquid used as plasticizer

Eric Leroy¹, Pierre O. Jacquet¹, Gildas Coativy¹, Gildas Coativy², Anne Laure Reguerre², Denis Lourdin² - Show less +2 more•Institutions (2)

Centre national de la recherche scientifique¹, Institut national de la recherche agronomique²

01 Jul 2012-Carbohydrate Polymers (Elsevier)-Vol. 89, Iss: 3, pp 955-963

TL;DR: The characterization of the materials indicates that, compared to glycerol, the use of [BMIM]Cl leads to less hygroscopicity, a more efficient plasticization of both starch and zein phases and a compatibilization of starch/zein blends.

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About: This article is published in Carbohydrate Polymers.The article was published on 2012-07-01. It has received 94 citations till now. The article focuses on the topics: Starch & Compatibilization.

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Journal Article•DOI•

Classification, processing and application of hydrogels: A review.

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Faheem Ullah¹, Muhammad Bisyrul Hafi Othman¹, Fatima Javed², Zulkifli Ahmad¹, Hazizan Md Akil¹ - Show less +1 more•Institutions (2)

Universiti Sains Malaysia¹, Quaid-i-Azam University²

01 Dec 2015-Materials Science and Engineering: C

TL;DR: This article aims to review the literature concerning the choice of selectivity for hydrogels based on classification, application and processing to assess their potential in hi-tech applications in the biomedical, pharmaceutical, biotechnology, bioseparation, biosensor, agriculture, oil recovery and cosmetics fields.

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905 citations

Journal Article•DOI•

Progress in bio-based plastics and plasticizing modifications

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Tizazu H. Mekonnen¹, Paolo G. Mussone¹, Hamdy Khalil², David C. Bressler¹•Institutions (2)

University of Alberta¹, Woodbridge Foam²

16 Oct 2013-Journal of Materials Chemistry

TL;DR: A review of the most common bio-based polymeric materials can be found in this paper, which provides an overview of recent advances in the selection and use of plasticizers, and their effect on the performance of these materials.

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Abstract: Over the coming few decades bioplastic materials are expected to complement and gradually replace some of the fossil oil based materials. Multidisciplinary research efforts have generated a significant level of technical and commercial success towards these bio-based materials. However, extensive application of these bio-based plastics is still challenged by one or more of their possible inherent limitations, such as poor processability, brittleness, hydrophilicity, poor moisture and gas barrier, inferior compatibility, poor electrical, thermal and physical properties. The incorporation of additives such as plasticizers into the biopolymers is a common practice to improve these inherent limitations. Generally, plasticizers are added to both synthetic and bio-based polymeric materials to impart flexibility, improve toughness, and lower the glass transition temperature. This review introduces the most common bio-based plastics and provides an overview of recent advances in the selection and use of plasticizers, and their effect on the performance of these materials. In addition to plasticizers, we also present a perspective of other emerging techniques of improving the overall performance of bio-based plastics. Although a wide variety of bio-based plastics are under development, this review focuses on plasticizers utilized for the most extensively studied bioplastics including poly(lactic acid), polyhydroxyalkanoates, thermoplastic starch, proteinaceous plastics and cellulose acetates. The ongoing challenge and future potentials of plasticizers for bio-based plastics are also discussed.

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567 citations

Journal Article•DOI•

Ionic liquids and deep eutectic solvents for lignocellulosic biomass fractionation

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Dannie J. G. P. van Osch¹, Ljbm Laura Kollau¹, Adriaan van den Bruinhorst¹, Sari Asikainen², Marisa A.A. Rocha¹, Maaike C. Kroon³, Maaike C. Kroon¹ - Show less +3 more•Institutions (3)

Eindhoven University of Technology¹, VTT Technical Research Centre of Finland², Petroleum Institute³

25 Jan 2017-Physical Chemistry Chemical Physics

TL;DR: The currently most commonly used processes for fractionation of lignocellulosic biomass into its constituents, cellulose, lignin and hemicellulose, are summarized and the fractionation with innovative solvents are reviewed.

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Abstract: Lignocellulosic biomass has gained extensive research interest due to its potential as a renewable resource, which has the ability to overtake oil-based resources. However, this is only possible if the fractionation of lignocellulosic biomass into its constituents, cellulose, lignin and hemicellulose, can be conducted more efficiently than is possible with the current processes. This article summarizes the currently most commonly used processes and reviews the fractionation with innovative solvents, such as ionic liquids and deep eutectic solvents. In addition, future challenges for the use of these innovative solvents will be addressed.

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212 citations

Journal Article•DOI•

Recent Advances in Food-Packing, Pharmaceutical and Biomedical Applications of Zein and Zein-Based Materials

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Elisângela Corradini, Priscila Schroeder Curti, Adriano B. Meniqueti¹, Alessandro F. Martins, Adley F. Rubira², Edvani C. Muniz¹ - Show less +2 more•Institutions (2)

Universidade Paranaense¹, Universidade Estadual de Maringá²

04 Dec 2014-International Journal of Molecular Sciences

TL;DR: The biodegradability and biocompatibility of zein and other inherent properties associated with zein’s structure allow a myriad of applications of such materials with great potential in the near future.

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Abstract: Zein is a biodegradable and biocompatible material extracted from renewable resources; it comprises almost 80% of the whole protein content in corn. This review highlights and describes some zein and zein-based materials, focusing on biomedical applications. It was demonstrated in this review that the biodegradation and biocompatibility of zein are key parameters for its uses in the food-packing, biomedical and pharmaceutical fields. Furthermore, it was pointed out that the presence of hydrophilic-hydrophobic groups in zein chains is a very important aspect for obtaining material with different hydrophobicities by mixing with other moieties (polymeric or not), but also for obtaining derivatives with different properties. The physical and chemical characteristics and special structure (at the molecular, nano and micro scales) make zein molecules inherently superior to many other polymers from natural sources and synthetic ones. The film-forming property of zein and zein-based materials is important for several applications. The good electrospinnability of zein is important for producing zein and zein-based nanofibers for applications in tissue engineering and drug delivery. The use of zein’s hydrolysate peptides for reducing blood pressure is another important issue related to the application of derivatives of zein in the biomedical field. It is pointed out that the biodegradability and biocompatibility of zein and other inherent properties associated with zein’s structure allow a myriad of applications of such materials with great potential in the near future.

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186 citations

Journal Article•DOI•

Modification of starch: A review on the application of “green” solvents and controlled functionalization

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Yifei Fan¹, Francesco Picchioni•Institutions (1)

University of Groningen¹

01 Aug 2020-Carbohydrate Polymers

TL;DR: The application of ionic liquids and supercritical CO2 in the modification and processing of starch is summarized and the development of regioselective derivatization and controlled grafting of starch are reviewed.

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119 citations

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References

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Book•

Image Analysis and Mathematical Morphology

[...]

Jean Serra

11 Feb 1984

TL;DR: This invaluable reference helps readers assess and simplify problems and their essential requirements and complexities, giving them all the necessary data and methodology to master current theoretical developments and applications, as well as create new ones.

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Abstract: Image Processing and Mathematical Morphology-Frank Y. Shih 2009-03-23 In the development of digital multimedia, the importance and impact of image processing and mathematical morphology are well documented in areas ranging from automated vision detection and inspection to object recognition, image analysis and pattern recognition. Those working in these ever-evolving fields require a solid grasp of basic fundamentals, theory, and related applications—and few books can provide the unique tools for learning contained in this text. Image Processing and Mathematical Morphology: Fundamentals and Applications is a comprehensive, wide-ranging overview of morphological mechanisms and techniques and their relation to image processing. More than merely a tutorial on vital technical information, the book places this knowledge into a theoretical framework. This helps readers analyze key principles and architectures and then use the author’s novel ideas on implementation of advanced algorithms to formulate a practical and detailed plan to develop and foster their own ideas. The book: Presents the history and state-of-the-art techniques related to image morphological processing, with numerous practical examples Gives readers a clear tutorial on complex technology and other tools that rely on their intuition for a clear understanding of the subject Includes an updated bibliography and useful graphs and illustrations Examines several new algorithms in great detail so that readers can adapt them to derive their own solution approaches This invaluable reference helps readers assess and simplify problems and their essential requirements and complexities, giving them all the necessary data and methodology to master current theoretical developments and applications, as well as create new ones.

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9,566 citations

"Compatibilization of starch–zein me..." refers background in this paper

...Mathematical morphology is a set of operations which ompare each portions of image to a structuring element, erosions nd dilations are the basics ones (Serra, 1982)....
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...Mathematical morphology is a set of operations which ompare each portions of image to a structuring element, erosions nd dilations are the basics ones (Serra, 1982). Erosion causes a eduction of white objects. Dilation is the dual operation. Opening s a combination of an erosion and a dilation. The effect of an pening is to remove white objects considering their morphology ymers 89 (2012) 955– 963 957...
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Journal Article•DOI•

Deep Eutectic Solvents Formed between Choline Chloride and Carboxylic Acids: Versatile Alternatives to Ionic Liquids

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Andrew P. Abbott¹, David Boothby¹, Glen Capper¹, David L. Davies¹, Raymond K. Rasheed¹ - Show less +1 more•Institutions (1)

University of Leicester¹

01 Jul 2004-Journal of the American Chemical Society

TL;DR: It is shown that the conductivity and viscosity of these liquids is controlled by ion mobility and the availability of voids of suitable dimensions, and this is consistent with the fluidity of other ionic liquids and molten salts.

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Abstract: Deep Eutectic Solvents (DES) can be formed between a variety of quaternary ammonium salts and carboxylic acids. The physical properties are significantly affected by the structure of the carboxylic acid but the phase behavior of the mixtures can be simply modeled by taking account of the mole fraction of carboxylic acid in the mixture. The physical properties such as viscosity, conductivity, and surface tension of these DES are similar to ambient temperature ionic liquids and insight into the cause of these properties is gained using hole-theory. It is shown that the conductivity and viscosity of these liquids is controlled by ion mobility and the availability of voids of suitable dimensions, and this is consistent with the fluidity of other ionic liquids and molten salts. The DES are also shown to be good solvents for metal oxides, which could have potential application for metal extraction.

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2,904 citations

"Compatibilization of starch–zein me..." refers background in this paper

..., 2010), it is interesting to note that biodegradable ionic systems with properties close to ionic liquids called deep eutectic solvents (Abbott et al., 2004) exist and can be used as plasticizers for starch (Abbot & Ballantyne, 2011)....
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...…due to the presence of the ionic liquid (Sankri et al., 2010), it is interesting to note that biodegradable ionic systems with properties close to ionic liquids called deep eutectic solvents (Abbott et al., 2004) exist and can be used as plasticizers for starch (Abbot & Ballantyne, 2011)....
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Journal Article•DOI•

Dispersion phenomena in high viscosity immiscible fluid systems and application of static mixers as dispersion devices in such systems

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Harold P. Grace¹•Institutions (1)

DuPont¹

01 Mar 1982-Chemical Engineering Communications

TL;DR: In this article, the authors discuss the role of statics in high-viscosity IMMISCIBLE FLUID systems and the application of mixers as disphers.

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Abstract: (1982). DISPERSION PHENOMENA IN HIGH VISCOSITY IMMISCIBLE FLUID SYSTEMS AND APPLICATION OF STATIC MIXERS AS DISPERSION DEVICES IN SUCH SYSTEMS. Chemical Engineering Communications: Vol. 14, No. 3-6, pp. 225-277.

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1,358 citations

Additional excerpts

...As it has been shown by Grace (1982) for shear flow and ater by Wu (1987), in twin screw extrusion conditions, the minmum value of Ca* is obtained for a viscosity ratio close to unity. or a growing viscosity ratio (above 1), Ca* increases very sharply nd diverges, so it is unlikely to obtain…...
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Journal Article•DOI•

Formation of dispersed phase in incompatible polymer blends: Interfacial and rheological effects

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Souheng Wu¹•Institutions (1)

DuPont¹

01 Mar 1987-Polymer Engineering and Science

TL;DR: In this paper, the formation of dispersed phase in blends of incompatible polymers during melt extrusion with a co-rotating twin screw extruder was studied, using nylon and polyester as the matrix and ethylene-propylene rubbers as the dispersed phase.

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Abstract: The formation of dispersed phase in blends of incompatible polymers during melt extrusion with a co-rotating twin screw extruder was studied, using nylon and polyester as the matrix and ethylene-propylene rubbers as the dispersed phase. A master curve is obtained, i.e., Gηmα/γ = 4p±0.84, where G is the shear rate, γ the particle diameter, η the interfacial tension, ηm the matrix viscosity, ηd the dispersed-drop viscosity, and p = ηd/ηm. The plus (+) sign applies for p > 1, and the minus (−) sign for p < 1. Thus, the dispersed-drop size is directly proportional to the interfacial tension and the ±0.84 power of viscosity ratio. The dispersed drops are the smaller, when the interfacial tension is the lower and the viscosity ratio is the closer to unity. The interfacial tension is largely controlled by the polarities of the two phases, and can be varied over several orders of magnitude by using appropriate dispersants.

...read moreread less

976 citations

Additional excerpts

...As it has been shown by Grace (1982) for shear flow and ater by Wu (1987), in twin screw extrusion conditions, the minmum value of Ca* is obtained for a viscosity ratio close to unity. or a growing viscosity ratio (above 1), Ca* increases very sharply nd diverges, so it is unlikely to obtain…...
[...]

Reference Book•DOI•

Polymer blends handbook

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Leszek A. Utracki

01 Jan 2003

TL;DR: Utracki et al. as mentioned in this paper introduced the concept of polymer blends and their application in the field of polymers and polymers processing, including the use of high energy radiation in Polymer Blends technology.

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Abstract: List of Authors. Preface. 1: Introduction to Polymer Blends L.A. Utracki. 2: Thermodynamics of Polymer Blends L.A. Utracki. 3: Crystallization, Morphological Structure and Melting of Polymer Blends G. Groeninckx, M. Vanneste, V. Everaert. 4: Interphase and Compatibilization by Addition of a Compatibilizer A. Ajji. 5: Reactive Compatibilization of Polymer Blends S.B. Brown. 6: Interpenetrating Polymer Networks L.H. Sperling, R. Hu. 7: The Rheology of Polymer Alloys and Blends L.A. Utracki, M.R. Kamal. 8: Morphology. of Polymer Blends T. Inoue. 9: Compounding Polymer Blends L.A. Utracki, G. Z.-H. Shi. 10: Polymer Blends Forming M.M. Dumoulin. 11: Use of High Energy Radiation in Polymer Blends Technology A. Singh, K. Bahari. 12: Properties and Performance of Polymer Blends S.F. Xavier. 13: Applications of Polymer Alloys and Blends J.J. Scobbo Jr., L.A. Goettler. 14: Aging and Degradation of Polymer Blends J.M.G. Cowie, I.J. McEwen, R. McIntyre. 15: Commercial Polymer Blends M.K. Akkapeddi. 16: Role of Polymer Blends' Technology in Polymer Recycling L.A. Utracki. 17: Perspectives in Polymer Blend Technolog L.M. Robeson. Appendix 1: International Abbreviations for Polymers and Polymer Processing, compiled by L.A. Utracki. Appendix 2: Miscible Polymer Blends, prepared by S. Krause, S.H. Goh. Appendix 3: Examples of Commercial Blends, compiled by L.A. Utracki. Appendix 4: Dictionary of Terms Used in Polymer Science and Technology, compiled by L.A. Utracki. Subject index.

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754 citations

"Compatibilization of starch–zein me..." refers background in this paper

...Using the vocabulary f polymer materials scientists, one could say that nature as developed highly efficient alloys of biopolymers (Utracki, 002). From this perspective, perhaps the most striking point s that in many cases, those alloys involve the interfacial ompatibilization of blends of hydrophobic and hydrophilic iopolymers. Inside an maize grain, in which starch granules are embedded n a continuous protein rich minor phase, the interfacial adhesion etween starch (hydrophilic) and proteins (mostly hydrophobic) hases are strong enough to ensure cohesive breaking of the mateial: when a grain is broken, most cracks propagate through the tarch granules, not at the interface between starch and proteins! n that particular example, the nature of the interfacial interacions between the hydrophobic and hydrophilic polymer phases emains poorly understood. Nevertheless, since the work of Barlow, uttrose, Simmonds, and Vesk (1973), the main assumption is the resence of an interphase containing water soluble proteins and artially water soluble polysaccharides....
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...If we look at the toolbox developed during the last decades for he compatibilization of synthetic polymer blends (Utracki, 2002)....
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...If we look at the toolbox developed during the last decades for he compatibilization of synthetic polymer blends (Utracki, 2002). he various compatibilization strategies used involve an interphase etween the two polymers....
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