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Functionalization of casein and its use for preparing self-crosslinking protein-based materials

Cencha, Luisa Guadalupe et al · Royal Society of Chemistry · 2023

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Author / responsible party
Cencha, Luisa Guadalupe et al
Publisher
Royal Society of Chemistry
Year
2023
ISSN
1881-1887
ISSN
1881-1887
Language
English

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Increasing the content of bio-derived raw materials in polymeric products is imperative to follow the agenda of environmental protection and circular economy in the chemical industry. Therefore, it is highly desirable to create new materials with improved biodegradability that retain the good performance of conventional synthetic polymers. From this perspective, the self-chemical crosslinking of proteins appears as an effective tool to improve the final properties of protein-containing materials, mainly their water resistance and mechanical properties. This letter presents a strategy for incorporating bio-based ketone pendant groups into casein which confers the self-crosslinking capability through the keto-hydrazide reaction. Casein is a low-cost protein of high industrial availability that has been successfully compatibilized with acrylic phases in hybrid latexes as shown in depth in several works. Here, ketone groups have been effectively incorporated into the protein's backbone through the reaction of pristine casein with the N-hydroxysuccinimide ester of bio-based levulinic acid, avoiding the use of acrylamide compounds. Then, the modified casein was used to synthesize hybrid acrylic/protein latexes. These results open an avenue for the development of self-crosslinkable room-temperature protein-based materials. Fil: Cencha, Luisa Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería y Ciencias Hídricas; Argentina Fil: Allasia, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química. Universidad Nacional del Litoral. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina

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APA 7

Cencha, L. G. E. A. (2023). Functionalization of casein and its use for preparing self-crosslinking protein-based materials. http://hdl.handle.net/11336/225774

MLA

Cencha, Luisa Guadalupe et al. "Functionalization of casein and its use for preparing self-crosslinking protein-based materials." 2023. http://hdl.handle.net/11336/225774.

Chicago

Cencha, Luisa Guadalupe et al. 2023. "Functionalization of casein and its use for preparing self-crosslinking protein-based materials.". http://hdl.handle.net/11336/225774.

Harvard

Cencha, L. G. E. A. 2023, Functionalization of casein and its use for preparing self-crosslinking protein-based materials, Royal Society of Chemistry, available at: http://hdl.handle.net/11336/225774 [Accessed 7 Aug. 2026].

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Title
Functionalization of casein and its use for preparing self-crosslinking protein-based materials
Author / contributors
Cencha, Luisa Guadalupe et al
Publisher
Royal Society of Chemistry
Publication year
2023
ISSN
1881-1887
ISSN
1881-1887
Language
English

Subjects

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KETO-HYDRAZIDE REACTION; FILMS; AQUEOUS LATEX; CASEIN; https://purl.org/becyt/ford/1.4; https://purl.org/becyt/ford/1
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