Highly exfoliated eco-friendly thermoplastic starch (TPS)/poly (lactic acid)(PLA)/clay nanocomposites using unmodified nanoclay

Ayana, Belgizar; Suin, Supratim; Khatua, Bhanu Bhusan

doi:10.1016/j.carbpol.2014.04.024

Cited by 151 publications

(23 citation statements)

References 36 publications

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“…The incorporation between PLA/TPS and compatibilizer was performed to improve the interfacial interaction between both biopolymers (Soares et al, 2013). Several authors have added trimethoxy silane coupling agents (3-chloropropyl trimethoxy silane), anhydride functionalized polyester, citric acid (CA), formamide, maleic anhydride (MA), epoxidized itaconic acid (EIA), bio-based ether epoxidized cardanol (Epicard), methylene diphenyl diisocyanate (MDI), and sodium montmorillonite (NaMMT) to the PLA/TPS blend to improve the compatibility between two polymers (Wang et al, 2007(Wang et al, , 2008Acioli-Moura and Sun, 2008;Ayana et al, 2014;Jariyasakoolroj and Chirachanchai, 2014;Xiong et al, 2014;Zuo et al, 2014;Muller et al, 2017). They all found that these compatibilizer compounds performed as a coupling agent, enhancing the interfacial interaction between the two materials, and thus improving the mechanical properties of the PLA/TPS blends.…”

Section: Pla/tps Blend Biocompositesmentioning

confidence: 99%

Nanocellulose Reinforced Thermoplastic Starch (TPS), Polylactic Acid (PLA), and Polybutylene Succinate (PBS) for Food Packaging Applications

et al. 2020

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Synthetic plastics are severely detrimental to the environment because nonbiodegradable plastics do not degrade for hundreds of years. Nowadays, these plastics are very commonly used for food packaging. To overcome this problem, food packaging materials should be substituted with "green" or environmentally friendly materials, normally in the form of natural fiber reinforced biopolymer composites. Thermoplastic starch (TPS), polylactic acid (PLA) and polybutylene succinate (PBS) were chosen for the substitution, because of their availability, biodegradability, and good food contact properties. Plasticizer (glycerol) was used to modify the starch, such as TPS under a heating condition, which improved its processability. TPS films are sensitive to moisture and their mechanical properties are generally not suitable for food packaging if used alone, while PLA and PBS have a low oxygen barrier but good mechanical properties and processability. In general, TPS, PLA, and PBS need to be modified for food packaging requirements. Natural fibers are often incorporated as reinforcements into TPS, PLA, and PBS to overcome their weaknesses. Natural fibers are normally used in the form of fibers, fillers, celluloses, and nanocelluloses, but the focus of this paper is on nanocellulose. Nanocellulose reinforced polymer composites demonstrate an improvement in mechanical, barrier, and thermal properties. The addition of compatibilizer as a coupling agent promotes a fine dispersion of nanocelluloses in polymer. Additionally, nanocellulose and TPS are also mixed with PLA and PBS because they are costly, despite having commendable properties. Starch and natural fibers are utilized as fillers because they are abundant, cheap and biodegradable.

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Section: Pla/tps Blend Biocompositesmentioning

confidence: 99%

Nanocellulose Reinforced Thermoplastic Starch (TPS), Polylactic Acid (PLA), and Polybutylene Succinate (PBS) for Food Packaging Applications

et al. 2020

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“…The last is an interesting approach, since with small filler amounts it is possible to enhance desired features, keeping PLA’s key properties intact. The most used nanofillers are nanoclays [5,71,72,73,74,75,76,77,78,79,80], nanosilicas [6,68,69,73,81,82], and carbon nanomaterials [7,77,83,84,85,86,87,88].…”

Section: Poly(lactic Acid) (Pla)mentioning

confidence: 99%

Poly(lactic acid) Composites Containing Carbon-Based Nanomaterials: A Review

et al. 2017

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Poly(lactic acid) (PLA) is a green alternative to petrochemical commodity plastics, used in packaging, agricultural products, disposable materials, textiles, and automotive composites. It is also approved by regulatory authorities for several biomedical applications. However, for some uses it is required that some of its properties be improved, namely in terms of thermo-mechanical and electrical performance. The incorporation of nanofillers is a common approach to attain this goal. The outstanding properties of carbon-based nanomaterials (CBN) have caused a surge in research works dealing with PLA/CBN composites. The available information is compiled and reviewed, focusing on PLA/CNT (carbon nanotubes) and PLA/GBM (graphene-based materials) composites. The production methods, and the effects of CBN loading on PLA properties, namely mechanical, thermal, electrical, and biological, are discussed.

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“…To overcome this drawback, granules should be destructured. The most commonly method used to alter starch crystalline structure is the gelatinization process, which involves the incorporation of water as destructuring agent [7]. During starch gelatinization, the disruption of crystalline structure is achieved by granules swelling and ulterior breaking.…”

Section: Introductionmentioning

confidence: 99%

Crystalline morphology of thermoplastic starch/talc nanocomposites induced by thermal processing

Castillo

López

García

et al. 2019

Heliyon

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A structural study about the changes induced by plasticization of native corn starch was carried out in this work. The influence of talc nanoparticles presence during starch thermal processing was also evaluated. Macroscopic observation of the granules appearance evolution during melt-mixing and thermo-compression was supported by a theoretical description related to these processing methods. Melt-mixing induced a polymorphic transformation from A- to V h -type and a reduction in the degree of crystallinity. Homogenous appearance of the plasticized starch was in accordance to the disruption of granules integrity, evidenced by SEM. This observation agreed to the distinctive XRD pattern of plasticized starch from unprocessed granules. Talc incorporation did not require the adjustment of processing parameters in order to obtain a homogenous thermoplastic material, with an adequate particles distribution within the matrix. Regardless talc presence, plasticized starch presented a V h -type crystalline structure. Thermo-compression led to particles alignment promoted by talc laminar morphology.

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Highly exfoliated eco-friendly thermoplastic starch (TPS)/poly (lactic acid)(PLA)/clay nanocomposites using unmodified nanoclay

Cited by 151 publications

References 36 publications

Nanocellulose Reinforced Thermoplastic Starch (TPS), Polylactic Acid (PLA), and Polybutylene Succinate (PBS) for Food Packaging Applications

Nanocellulose Reinforced Thermoplastic Starch (TPS), Polylactic Acid (PLA), and Polybutylene Succinate (PBS) for Food Packaging Applications

Poly(lactic acid) Composites Containing Carbon-Based Nanomaterials: A Review

Crystalline morphology of thermoplastic starch/talc nanocomposites induced by thermal processing

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