Priprava i karakterizacija poli(metil-metakrilatnih) kompozita s nanocelulozom

Mrkalj, Kristijan; Faraguna, Fabio; Vidović, Elvira; Jukić, Ante

doi:10.15255/kui.2021.051

Kemija U Industriji

2021

DOI: 10.15255/kui.2021.051

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Priprava i karakterizacija poli(metil-metakrilatnih) kompozita s nanocelulozom

Kristijan Mrkalj¹,

Fabio Faraguna

Elvira Vidović³

et al.

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2024

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Cited by 1 publication

References 26 publications

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Synthesis and properties of transparent PMMA/cellulose nanocomposites prepared by in situ polymerization in green solvent

Sušac,

Vidović,

Vrsaljko

et al. 2024

Polymer Composites

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In order to contribute to the demanded sustainability transparent poly(methyl methacrylate) (PMMA) composites with cellulose nanocrystals (CNC) up to high shares of 50 wt% were prepared by in situ radical polymerization in green solvent Cyrene. The weight average molecular weights of PMMA were in the range from 144,000 to 160,000 g mol−1 and the dispersity was in the range of 1.49 to 1.89 with high conversion of monomer to polymer. The DSC thermal analysis showed that the glass transition temperature of pure PMMA was at 99°C while in composites increased from 103°C up to 129°C with the increase of CNC from 1 wt% to 50 wt%. TGA shows that the addition of CNC does not have a significant effect on the thermal stability of PMMA. In composites Young's modulus increases with the increasing CNC ratio and composites with 50 wt% of CNC showed more than twice the modulus of the PMMA matrix. The SEM images indicate uniform distribution of CNC in polymer matrix. The transparent and semitransparent PMMA/cellulose composites of improved sustainability with higher modulus of elasticity and glass transition temperature can be used as lightweight materials for a wide range of technical and everyday applications as well as optical lenses or acoustic lenses for ultrasound transducers and other devices.Highlights Cellulose nanocrystals/PMMA composites fabricated by a green in situ process. Synthesized PMMA matrices have high molecular weights. Improved elastic modulus and glass transition temperature were achieved. Prioritizing eco‐friendly chemicals for a greener production approach.

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Synthesis and properties of transparent PMMA/cellulose nanocomposites prepared by in situ polymerization in green solvent

Sušac,

Vidović,

Vrsaljko

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

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Priprava i karakterizacija poli(metil-metakrilatnih) kompozita s nanocelulozom

Cited by 1 publication

References 26 publications

Synthesis and properties of transparent PMMA/cellulose nanocomposites prepared by in situ polymerization in green solvent

Synthesis and properties of transparent PMMA/cellulose nanocomposites prepared by in situ polymerization in green solvent

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