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Eco-Friendly Polypropylene Composites Reinforced with Cellulose Fibers and Silica Nanoparticles.

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Title: Eco-Friendly Polypropylene Composites Reinforced with Cellulose Fibers and Silica Nanoparticles.
Authors: Iskakov, Rinat M.1,2 (AUTHOR), Bukanova, Aigul S.1,2 (AUTHOR), Kalauova, Altynay S.3 (AUTHOR), Kairliyeva, Fazilat B.1,4 (AUTHOR), Nauashev, Alimzhan N.1,5 (AUTHOR), Shambilova, Gulbarshin K.1,3 (AUTHOR), Obidin, Ivan M.2,4 (AUTHOR), Kuzin, Mikhail S.3,4 (AUTHOR), Chernenko, Dmitryi N.4 (AUTHOR), Patsaev, Timofey D.5 (AUTHOR), Gerasimenko, Pavel S.4 (AUTHOR), Makarov, Igor S.4 (AUTHOR), Skvortsov, Ivan Yu.4 (AUTHOR) amber5@yandex.ru
Source: Polymers (20734360). May2025, Vol. 17 Issue 10, p1290. 17p.
Subjects: Injection molding, Flexural modulus, Fibrous composites, Silica fibers, Silica nanoparticles, Silicon carbide, Microcrystalline polymers, Cellulose fibers
Abstract: In this study, polymer composites based on a polypropylene (PP) matrix with the addition of cellulose and ES-40, used as a silica precursor, were investigated. These composites were designed to achieve enhanced biodegradability through the incorporation of bioavailable cellulose and to enable subsequent carbonization into carbon–silicon carbide systems. Rheological investigations revealed that the multicomponent mixtures exhibited pseudoplastic behavior over the shear rate range typical of injection molding, ensuring process stability without additional plasticization. Morphological analysis demonstrated that an optimal balance of PP, cellulose, and ES-40 promoted the formation of a three-dimensional network structure, leading to a significant increase in flexural modulus at the equal flexural strength despite some reduction in tensile strength. It was further shown that substituting fibrous cellulose with microcrystalline cellulose improved the composite homogeneity, thereby enhancing the density and mechanical properties, especially in systems with low polymer contents. Preliminary pyrolysis experiments indicated that these injection-molded composites can serve as precursors for fabricating bulk thermally stable products containing silicon carbide particles. The obtained results underscore the high potential of the developed materials for applications in conventional injection molding, the possibility of additive manufacturing, and processes requiring subsequent carbonization. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Eco-Friendly Polypropylene Composites Reinforced with Cellulose Fibers and Silica Nanoparticles.
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  Data: <searchLink fieldCode="AR" term="%22Iskakov%2C+Rinat+M%2E%22">Iskakov, Rinat M.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bukanova%2C+Aigul+S%2E%22">Bukanova, Aigul S.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kalauova%2C+Altynay+S%2E%22">Kalauova, Altynay S.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kairliyeva%2C+Fazilat+B%2E%22">Kairliyeva, Fazilat B.</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nauashev%2C+Alimzhan+N%2E%22">Nauashev, Alimzhan N.</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shambilova%2C+Gulbarshin+K%2E%22">Shambilova, Gulbarshin K.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Obidin%2C+Ivan+M%2E%22">Obidin, Ivan M.</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kuzin%2C+Mikhail+S%2E%22">Kuzin, Mikhail S.</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chernenko%2C+Dmitryi+N%2E%22">Chernenko, Dmitryi N.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Patsaev%2C+Timofey+D%2E%22">Patsaev, Timofey D.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gerasimenko%2C+Pavel+S%2E%22">Gerasimenko, Pavel S.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Makarov%2C+Igor+S%2E%22">Makarov, Igor S.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Skvortsov%2C+Ivan+Yu%2E%22">Skvortsov, Ivan Yu.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> amber5@yandex.ru</i>
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. May2025, Vol. 17 Issue 10, p1290. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Injection+molding%22">Injection molding</searchLink><br /><searchLink fieldCode="DE" term="%22Flexural+modulus%22">Flexural modulus</searchLink><br /><searchLink fieldCode="DE" term="%22Fibrous+composites%22">Fibrous composites</searchLink><br /><searchLink fieldCode="DE" term="%22Silica+fibers%22">Silica fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Silica+nanoparticles%22">Silica nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon+carbide%22">Silicon carbide</searchLink><br /><searchLink fieldCode="DE" term="%22Microcrystalline+polymers%22">Microcrystalline polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Cellulose+fibers%22">Cellulose fibers</searchLink>
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  Label: Abstract
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  Data: In this study, polymer composites based on a polypropylene (PP) matrix with the addition of cellulose and ES-40, used as a silica precursor, were investigated. These composites were designed to achieve enhanced biodegradability through the incorporation of bioavailable cellulose and to enable subsequent carbonization into carbon–silicon carbide systems. Rheological investigations revealed that the multicomponent mixtures exhibited pseudoplastic behavior over the shear rate range typical of injection molding, ensuring process stability without additional plasticization. Morphological analysis demonstrated that an optimal balance of PP, cellulose, and ES-40 promoted the formation of a three-dimensional network structure, leading to a significant increase in flexural modulus at the equal flexural strength despite some reduction in tensile strength. It was further shown that substituting fibrous cellulose with microcrystalline cellulose improved the composite homogeneity, thereby enhancing the density and mechanical properties, especially in systems with low polymer contents. Preliminary pyrolysis experiments indicated that these injection-molded composites can serve as precursors for fabricating bulk thermally stable products containing silicon carbide particles. The obtained results underscore the high potential of the developed materials for applications in conventional injection molding, the possibility of additive manufacturing, and processes requiring subsequent carbonization. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3390/polym17101290
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      – Code: eng
        Text: English
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        PageCount: 17
        StartPage: 1290
    Subjects:
      – SubjectFull: Injection molding
        Type: general
      – SubjectFull: Flexural modulus
        Type: general
      – SubjectFull: Fibrous composites
        Type: general
      – SubjectFull: Silica fibers
        Type: general
      – SubjectFull: Silica nanoparticles
        Type: general
      – SubjectFull: Silicon carbide
        Type: general
      – SubjectFull: Microcrystalline polymers
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      – SubjectFull: Cellulose fibers
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              M: 05
              Text: May2025
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