Influence of carboxylic acids on mechanical properties of thermoplastic starch by spray drying

Khan, Bahram; Niazi, Muhammad Bilal Khan; Hussain, Arshad; Jahan, Zaib

doi:10.1007/s12221-017-6769-8

Cited by 5 publications

(3 citation statements)

References 35 publications

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“…[24,[31][32][33][34] Water is considered the main plasticizer of starch, [35] but its low boiling point can cause it to volatilize during transformation processes, resulting in a need for less volatile plasticizers with polar groups such as OH, COOH, and NH 2 , capable of forming hydrogen bonds and interrupting molecular interactions between starch chains. [36,37] Thus, among the plasticizers used to obtain TPS are polyols, [6,7] amines, [8,9] amides, [38,39] carboxylic acids or salts, [8,40] ionic liquids, [41][42][43] deep eutectic solvents, [38,44,45] amino acids, [46,47] sugars, [8,48] and low transition temperature mixtures (LTTM), [49] which have higher molecular weights and generate stronger molecular interactions with the monomeric starch chains. [50] Sorbitol has been reported to form stronger bonds with starch than when glycerol is used.…”

Section: Plasticizers For Tpsmentioning

confidence: 99%

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Effect of Plasticizers on Properties, Retrogradation, and Processing of Extrusion‐Obtained Thermoplastic Starch: A Review

et al. 2021

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Thermoplastic starch (TPS) offers an alternative to petrochemical-based plastics because as well as being a final product in itself, TPS can be used as a precursor for the production of new materials. In addition to high temperature and shear, the presence of plasticizers is essential in the TPS production process, to break the strong inter-and intra-molecular interactions of the starch chains. The properties of these plasticizers-their functional groups, molecular weight, thermal stability, and compatibility with the polymer, among others-play an important role in the production of TPS. This work therefore brings together research evaluating starch-plasticizer molecular interactions and their effect on the structure, polymer properties, retrogradation, and processing of TPS obtained by extrusion; in addition, it collects and analyzes information on the process conditions used in the extrusion of different starches in the presence of different plasticizers. The objective of this review is to provide a clear description of the importance of the effect of plasticizers on the properties of TPS obtained by extrusion, indicating the potential of some plasticizers to broaden the field of application of TPS.

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Section: Plasticizers For Tpsmentioning

confidence: 99%

“…[87] Factors such as the molecular weight, chemical composition, and functional groups of the plasticizers largely determine the mechanical, thermal, and barrier behavior as well as the biodegradation of the TPS. [40,65]…”

Section: Properties Of Tps According To Plasticizersmentioning

confidence: 99%

Effect of Plasticizers on Properties, Retrogradation, and Processing of Extrusion‐Obtained Thermoplastic Starch: A Review

et al. 2021

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“…The name comes from Latin for "apple", as it was isolated for the first time from unripe apples [13]. Neat malic acid was used for compatibilizing of starch/guar gum system (resulted in improved stretch-ability) [14], for starch esterification (starch malate) [15], cross-linking of high amylose starch (obtained films exhibited higher thermal resistance and reduced swelling power) [16,17], and plasticization (increased retrogradation resistance was observed) [18,19]. The DES from choline chloride and malic acid is classified as a Natural Deep Eutectic Solvent (NADES) [3,20], as it is prepared from natural components that are abundant, biodegradable, and exhibit low toxicity [5,21].…”

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confidence: 99%

Potato starch plasticization by natural deep eutectic solvent

Skowrońska,

Wilpiszewska

2023

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A natural deep eutectic solvent (NADES) based on choline chloride and malic acid was used to plasticize potato starch. The influence of starch gelatinization temperature, NADAES content and the method of its incorporation (before and after gelatinization) on starch plasticization was investigated. Polymer-plasticizer interactions were studied using MDSC, DMTA, XRD and FTIR-ATR methods. The viscosity of starch solutions as well as the mechanical properties and water absorption of the obtained films were determined. Gelatinization conditions had a significant impact on the viscosity of starch solutions and the physicochemical properties of the obtained films. The cross-linking reaction between starch and malic acid was confirmed by MDSC, DMTA, and mechanical properties. Slight recrystallization of starch was observed after 12 months of storage.

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Effect of the Addition of Citric Acid and Whey Protein Isolate in Canna indica L. Starch Films Obtained by Solvent Casting

2020

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Influence of carboxylic acids on mechanical properties of thermoplastic starch by spray drying

Cited by 5 publications

References 35 publications

Effect of Plasticizers on Properties, Retrogradation, and Processing of Extrusion‐Obtained Thermoplastic Starch: A Review

Effect of Plasticizers on Properties, Retrogradation, and Processing of Extrusion‐Obtained Thermoplastic Starch: A Review

Potato starch plasticization by natural deep eutectic solvent

Effect of the Addition of Citric Acid and Whey Protein Isolate in Canna indica L. Starch Films Obtained by Solvent Casting

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