نتایج جستجو برای: polymethyl methacrylate
تعداد نتایج: 10768 فیلتر نتایج به سال:
The shell cross-linked (SCL) thermoresponsive hybrid poly(N-isopropylacrylamide-co-aminoethyl methacrylate)b-polymethyl methacrylate (P(NIPAAm-co-AMA)-bPMMA) micelle consisting of a cross-linked thermoresponsive hybrid shell and a hydrophobic core domain was fabricated via a two-step process: micellisation of P(NIPAAm-co-AMA)-b-PMMA in aqueous solution followed by cross-linking of the hydrophil...
Mutilation of a portion of a face can cause a heavy impact on the self-image and personality of an individual. Acceptable cosmetic results usually can be obtained with a facial prosthesis. This paper describes prosthetic rehabilitation of a 60-year-old male patient having a left ocular defect. A technique to fabricate heat polymerizing polymethyl methacrylate was illustrated. The resultant pros...
The aim of this study was to evaluate the effect of additional polymethyl methacrylate (PMMA) fillers on the physical properties of experimental resin composites. PMMA particles (d=30 µm) were added to an experimental methacrylate-based resin composite in five concentrations of 0, 2.0, 4.8, 9.1, and 23.1 wt%. Properties such as contact angle, water sorption and compressive strength were measure...
A series of novel zinc oxide / Poly (methyl methacrylate) nanocomposite films with different ZnO contents were prepared through inclusion pre-synthesized nanoparticles. The physical composition and morphology the as-prepared nanocomposites studied by XRD TEM. TEM analyses revealed that nanoparticles have a particle size ~3–5 nm. X-ray diffraction proved presence amorphous PMMA in nanocomposites...
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