Please use this identifier to cite or link to this item: https://dspace.ctu.edu.vn/jspui/handle/123456789/60949
Title: Synthesis of star PMMA via ARGET ATRP towards application in acrylic bone cements
Authors: Do, Quang Tham
Mai, Duc Huynh
Nguyen, Thi Kim Dung
Do, Van Cong
Lai, Thi Huyen
Nguyen, Thi Dieu Linh
Nguyen, Thi Thai
Nguyen, Anh Son
Keywords: Star poly(methyl methacrylate)
4sPMMA
ATRP
Acrylic bone cement
Issue Date: 2021
Series/Report no.: Vietnam Journay of Chemistry;No.59(1) .- P.01-06
Abstract: In this study, we attempted to apply a four-arm star poly(methyl methacrylate) (4sPMMA) as a prepolymer of acrylic bone cement. The 4sPMMA with viscosity average molecular weight of about 45 kDa was synthesized via Atom Transfer Radical Polymerization method using Activators Regenerated by Electron Transfer (ARGET ATRP). In practical use, the fine powder of precipitated 4sPMMA was changed to rigid beads followed by making sheet and pulverizing. Proton nuclear magnetic resonance (HNMR), Fourier transform infrared (FTIR) spectra of 4sPMMA beads indicated the star structure of 4sPMMA with bromide end groups (C-Br). Scanning electron microscopy (SEM) image of 4sPMMA beads showed their random shapes with size in the range of 10-100 pm, no traces of residual metal catalysts (Cu and Sn) were detected by Energy Dispersive X-Ray (EDX) analysizer equipped with SEM instrument. Bone cement from 4sPMMA beads had been prepared manually and curing in rectangular and cylindrical molds. The setting characterization results showed that 4sPMMA bone cements exhibited lower maximum temperature (63.9 °C), lower setting temperature (45.6 °C), than those required in ISO 5833:2002. Other properties of 4sPMMA bone cement, such as bending strength, bending modulus and setting time met the requirements of above ISO standard.
URI: https://dspace.ctu.edu.vn/jspui/handle/123456789/60949
ISSN: 2525-2321
Appears in Collections:Vietnam Journal of Chemistry

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