Methacrylic Polymers

Slone, Robert V.

doi:10.1002/0471238961.1305200814152201.a01.pub2

Cited by 2 publications

(1 citation statement)

References 72 publications

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“…Measured hydrodynamic radii (Table 2) show that even aggregates formed by 4-8 ZnO particles of these two ZnO samples have sizes close to 100 nm at ZnO concentration of 0.01 wt%. For the preparation of larger PMMA sheets (15!20 cm) we used the prepolymer procedure which is used industrially because it gives a product with excellent optical transparency [61]. Its purpose is to reduce the shrinking during the polymerization of MMA, thus preventing the formation of bubbles in the PMMA sheet.…”

Section: Results and Discussion 31 Synthesis Of Nano Znomentioning

confidence: 99%

Polyol mediated nano size zinc oxide and nanocomposites with poly(methyl methacrylate)

Anžlovar¹,

Kogej²,

Orel³

et al. 2011

Express Polym. Lett.

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Abstract. Organophilic nano ZnO particles have been synthesized in various diols (ethylene glycol -EG, 1,2 propane diol -PD, 1,4 butane diol -BD and tetra(ethylene glycol) -TEG) in the presence of p-toluenesulfonic acid, p-TsOH, as an end capping agent. The addition of p-TsOH reduces the ZnO particle size and increases its crystallite size. With increasing diol main chain length the ZnO particle size increases (EG (32 nm) < PD (33 nm) < BD (72 nm) < TEG (86 nm)). Using the assynthesized and unmodified ZnO nanocomposites with poly(methyl methacrylate), PMMA, matrix have been prepared by the in-situ bulk polymerization of methyl methacrylate, MMA. The addition of surface modifiers is avoided which is an advantage for the application since they can influence other properties of the material. ZnO particles, especially those with smaller particle sizes (EG -32 nm, PD -33 nm) showed enhanced effect on the thermal stability of PMMA, ultraviolet, UV, absorption and transparency for visible light. Transparent materials with high UV absorption and with enhanced resistance to sunlight were obtained by optimizing the nanocomposite preparation procedure using ZnO particles of about 30 nm size in concentrations between 0.05 and 0.1 wt%. The reported nanocomposite preparation procedure is compatible with the industrial process of PMMA sheet production.

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Section: Results and Discussion 31 Synthesis Of Nano Znomentioning

confidence: 99%

Polyol mediated nano size zinc oxide and nanocomposites with poly(methyl methacrylate)

Anžlovar¹,

Kogej²,

Orel³

et al. 2011

Express Polym. Lett.

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Polymethacrylates

Albrecht¹,

Stickler²,

Rhein³

2013

Ullmann's Encyclopedia of Industrial Chemistry

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The article contains sections titled: 1. Introduction 2. Properties 3. Raw Materials 4. Production Processes 4.1. Bulk Polymerization 4.1.1. Casting of Acrylic Glass 4.1.2. Continuous Production of Cast Acrylic Glass 4.1.3. Tube Polymerization 4.2. Suspension Polymerization 4.3. Continuous Polymerization of Molding Compounds 4.4. Batchwise Solution Polymerization 4.5. Emulsion Polymerization 5. Uses 5.1. Molding Compounds 5.1.1. Standard Molding Compounds 5.1.2. Heat‐Resistant Molding Compounds 5.1.3. Impact‐Resistant Molding Compounds 5.1.4. Molding Compounds for Special Optical Uses 5.2. Semifinished Products 5.2.1. Extruded Acrylic Glass 5.2.2. Cast Acrylic Glass 5.3. Binders and Paints 5.4. Additives for the Petroleum Industry 5.5. Miscellaneous Uses 6. Toxicology 7. Environmental Aspects

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Methacrylic Polymers

Cited by 2 publications

References 72 publications

Polyol mediated nano size zinc oxide and nanocomposites with poly(methyl methacrylate)

Polyol mediated nano size zinc oxide and nanocomposites with poly(methyl methacrylate)

Polymethacrylates

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