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Synthesis of Thermogelling Poly(N-isopropylacrylamide)-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering
Published on: October 26, 2016
Cellulosic graft copolymer: poly(methyl methacrylate) with cellulose side chains.
Yukiko Enomoto-Rogers1, Hiroshi Kamitakahara, Toshiyuki Takano
1Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Kitashirakawa-Oiwake-cho, Kyoto 606-8502, Japan.
Biomacromolecules
|July 10, 2009
Summary
Researchers synthesized novel cellulose graft copolymers by copolymerizing a cellulose macromonomer with methyl methacrylate. These new materials exhibit altered thermal properties due to the incorporated cellulose side chains.
Area of Science:
- Polymer Chemistry
- Materials Science
- Biomaterials
Background:
- Cellulose-based polymers offer unique properties for various applications.
- Graft copolymerization is a versatile technique for creating functional materials.
- Modifying polymer backbones with natural polymers like cellulose can enhance performance.
Purpose of the Study:
- To synthesize and characterize novel cellulose graft copolymers.
- To investigate the impact of cellulose side chains on polymer properties.
- To explore potential applications in materials science.
Main Methods:
- Copolymerization of N-(15-methacryloyloxypentadecanoyl)-tri-O-acetyl-beta-cellulosylamine (CTA-C15-MA) with methyl methacrylate (MMA).
- Characterization of the resulting copolymer (PMMA-g-(CTA-C15)) using multiangle laser light scattering (MALS) for molecular weight determination.
- Deacetylation to obtain the final cellulose graft copolymer (PMMA-g-(cellulose-C15)).
- Thermal analysis using differential scanning calorimetry (DSC).
Main Results:
- Successful synthesis of PMMA-g-(CTA-C15) with a determined molecular weight and degrees of polymerization for MMA and CTA-C15-MA.
- Obtained PMMA-g-(cellulose-C15) after deacetylation.
- Differential scanning calorimetry revealed that cellulose side chains influence the thermal properties of the PMMA main chain.
Conclusions:
- Novel cellulose graft copolymers were successfully synthesized and characterized.
- The incorporation of cellulose side chains significantly affects the thermal behavior of the PMMA backbone.
- These findings suggest potential for tailored material properties through cellulose grafting.
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