Chemical modification of starch with hexamethylene diisocyanate derivatives

Wilpiszewska, Katarzyna; Spychaj, Tadeusz

doi:10.1016/j.carbpol.2007.04.023

Cited by 54 publications

(32 citation statements)

References 13 publications

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“…Cross-linking reaction was also applied to bond PLA molecules onto starch particles during reactive extrusion. Maleic anhydride (MA) [28,29] and diisosyanates [30][31][32][33] were reported to be used to introduce chemical interactions for the PLA/starch system.…”

Section: Introductionmentioning

confidence: 99%

Poly(Ethylene Glycol) Grafted Starch Introducing a Novel Interphase in Poly(Lactic Acid)/Poly(Ethylene Glycol)/Starch Ternary Composites

2012

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The main purpose of this study is challenging to dramatically improve the toughness of poly(lactic acid) (PLA)/starch by adding poly (ethylene glycol) (PEG) into the composites and grafting PEG molecules onto the surface of starch particles. It was found that the surface grafting of PEG onto starch induced the presence of PEGrich regions located around the starch particles, caused by migration and aggregation of free PEG molecules. A novel interphase transition layer between PLA and starch was formed, which showed great ability for cavitation and vested large-scaled plastic deformation to PLA matrix. Further mechanical properties tests indicated the formation of interphase layer significantly increase the elongation at break from 10.2 to 254.5%, and notched impact strength from 1.56 to 2.37 kJ/m 2 for PLA/PEG/starch ternary composites. The influence of PEG component, ethanol extraction and annealing was also investigated.

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Section: Introductionmentioning

confidence: 99%

Poly(Ethylene Glycol) Grafted Starch Introducing a Novel Interphase in Poly(Lactic Acid)/Poly(Ethylene Glycol)/Starch Ternary Composites

2012

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“…Rice Chemical modification, enzyme modification Raina and others (2007), Deetae and others (2008), Lee and others (2008b), Marcoa and Rosell (2008) Wheat Chemical treatments, enzyme modification Chanvrier and others (2007), Gunaratne and Corke (2007), Salesse and others (2006), others (2006) Potato Chemical modification, physical treatments Ortega-Ojeda andothers (2005), Gunaratne and Corke (2007), Szepes and others (2007); Wischmann and others (2005), Wilpiszewska and Spychaj (2007), Yadav and others (2007) Corn Physical treatment, chemical modifications Bhosale and Singhal (2007), Chi and others (2007), Han and BeMiller (2007), Köksel and others (2007a), Köksel and others (2007b), Kuakpetoon and Wang (2007), Pukkahuta and others (2008), Villwock andBe Miller (2005) Maize Physical, chemical, enzyme modification Andrade andothers (2005), Khondkar and others (2009), Silva and others (2006), Tester and others (2007), Tester and others (2008), Zarguili and others (2006) Huang and others (2007b), Ihemere and others (2006), Menoli and Beleia (2007), Rajan and Abraham (2006), Rajan and others (2008) Cereals/pulses Chemical modification, enzyme modification Lawal and Adebowale (2005), Adebowale and others (2006), Kittipongpatana and others (2006), González and others (2007), Huang ...…”

Section: Commodity Treatments Referencementioning

confidence: 99%

Impact of Radiation Processing on Starch

Bhat

Karim

2009

Comp Rev Food Sci Food Safe

141

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It is envisaged that there will be a considerable demand in the near future for modified starches. To meet the demand, the chemical modification of starch, including cross-linking, has been widely used to obtain desirable traits that are suitable for various food applications. Radiation processing, being a physical process, is an environmentally friendly alternative to chemical modification. It is economically viable, safe, and possesses several advantages over other conventional methods employed for modification and cross-linking. Irradiation of starch leads to the attainment of such desired functional attributes as reduction of viscosity, high water solubility, and others. This review provides insight into the impact of gamma, electron beam, and ultraviolet irradiation on the physicochemical and functional properties of starch. It also highlights the importance and the exciting new opportunities afforded by radiation treatments as a physical means for the modification of starch.

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“…Traditionally, starch has been used as a basic organic raw material by chemical industries. Many bulk chemicals and polymers can be produced by chemical modification or fermentation of starch and its monosaccharide derivative (D-glucose) [14][15][16]. However, there is a concern about the competition between industrial and food applications of starch.…”

Section: Potential Renewable Resourcesmentioning

confidence: 99%

“Green” Chemicals from Renewable Agricultural Biomass - A Mini Review

Xu¹,

Hanna²,

Isom³

2008

TOASJ

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Abstract:Recently, utilization of renewable resources to replace petroleum as a primary feedstock for liquid fuels, chemicals and materials has become a topic of interest around the world. It is intriguing due to rising oil prices, the negative effects of petroleum on the environment and the advantages of renewable resources, such as their abundance and sustainability. Herein, the possibilities for biobased chemicals prepared from renewable resources are reviewed. The most popular feedstocks for commodity and specialty chemicals are carbohydrates as they account for approximately 95% of the biomass produced annually. The conversion routes, including chemical and biological routes, direct extraction, and selected technical advancements are discussed. Examples of select biochemcials, their conversion pathways from biomass, and their derivatives and potential applications are indentified.

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Chemical modification of starch with hexamethylene diisocyanate derivatives

Cited by 54 publications

References 13 publications

Poly(Ethylene Glycol) Grafted Starch Introducing a Novel Interphase in Poly(Lactic Acid)/Poly(Ethylene Glycol)/Starch Ternary Composites

Poly(Ethylene Glycol) Grafted Starch Introducing a Novel Interphase in Poly(Lactic Acid)/Poly(Ethylene Glycol)/Starch Ternary Composites

Impact of Radiation Processing on Starch

“Green” Chemicals from Renewable Agricultural Biomass - A Mini Review

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