High solids-content nanosize polymer latexes made by microemulsion polymerization

Ming, Weihua; Jones, Frank N.; Fu, Shoukuan

doi:10.1002/macp.1998.021990622

Cited by 34 publications

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“…These techniques usually result in nanoparticles with diameters ranging from 1 to 10 nm, with consistent crystalline structure and high degree of monodispersity. Additional synthesis techniques for nanoparticle preparation include sonochemical processing, cavitation processing, microemulsion processing, 1,2 and precipitation polymerization. 3 Only recently the synthesis of nanostructured materials from block copolymers 4−6 was reported.…”

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confidence: 99%

Nanoparticles from a controlled polymerization process

et al. 2003

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Free-radical retrograde precipitation polymerization process in the past has shown excellent control characteristics over reaction rate, molecular weight, and in the entrapment of live radicals for the generation of block copolymers. The same principle has now been extended to study the reaction confinement to a nanoscale region. Nanosized polymer particles have been reported to form from block copolymers, conventional precipitation polymerization methods, or through emulsion polymerization approaches. In this work, we present a new method of generating nanosized polymer particles by polymerizing the monomer in an environment that precipitates the polymer above the lower critical solution temperature. The nanoparticles have been characterized by both tapping-mode atomic force microscopy observations and in situ synchrotron time-resolved small-angle X-ray scattering analysis. The results from both the techniques showed the formation of nanoparticles in the size range

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confidence: 99%

Nanoparticles from a controlled polymerization process

et al. 2003

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“…To date, a great deal of research has been devoted to nanostructured materials, including polymer nanoparticles that have received considerable attention in the nanotechnology field [8–11]. Polymer nanoparticles such as those of PS and poly(methyl methacrylate) are speculated to be candidates for various applications such as medical, semiconductor, catalyst, and nanocomposites, as can be realized from the ever‐increasing number of publications [10, 12, 13].…”

Section: Introductionmentioning

confidence: 99%

“…Nowadays, various processes for producing polymer nanoparticles have been reported, focusing principally on mini‐, micro‐, and emulsion polymerization techniques. Ming et al [8, 14] synthesized nanosized PS particles of 10–20 nm diameter by modified microemulsion polymerization where in the styrene monomer was partially added in the initial microemulsion system. The remaining monomer was thereafter continuously fed into the polymerizing system.…”

Section: Introductionmentioning

confidence: 99%

Use of polystyrene nanoparticles synthesized by differential microemulsion polymerization for property improvement of (vinyl acetate)‐ethylene copolymer

Chuayjuljit

Piyawong

2012

Vinyl Additive Technology

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The nanolatex of polystyrene (PS) synthesized by differential microemulsion polymerization was blended with (vinyl acetate)‐ethylene (VAE) copolymer emulsion at VAE/PS dry weight ratios of 90/10, 80/20, 70/30, and 60/40. This technique provided a well dispersion of PS nanoparticles in the blends without any phase separation or flocculation. The blended emulsions were cast into thin sheet for further characterizations. It was found that the tensile strength, Young's modulus, dynamic mechanical properties, and thermal stability at 50% degradation of VAE were increased by the addition of an appropriate amount (20, 30, 40, and 40 wt%, respectively) of the PS nanoparticles, whereas the elongation at break deteriorated. J. VINYL ADDIT. TECHNOL., 2012. © 2012 Society of Plastics Engineers

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“…Fluorine‐containing copolymers are prepared by emulsion polymerization to produce latex with fluorinated surfaces to reduce surface free energy on numerous systems 1–8. The incorporation of perfluoro alkyl moieties (‐(CF 2 ) n F) into organic polymers significantly changes the properties of polymeric materials, such as wettability.…”

Section: Introductionmentioning

confidence: 99%

Preparation of fluoroacrylate nanocopolymer by miniemulsion polymerization used in textile finishing

Huang¹,

Chao²,

Liao³

2004

J of Applied Polymer Sci

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Latex based on fluoroacrylate (TAN) and other comonomers was prepared via miniemulsion polymerization in the presence of stearyl trimethyl ammonium chloride (STAC) and 2, 2Ј-azobis (2-amidinopropane) dihydrochloride (ABAP) as a water soluble initiator. Light transmittance studies demonstrated that the light transmittance of prepared emulsions increases with the amount of TAN, STAC, cosolvent DPM, and hydrophobe DM. Given suitable reaction temperature and quantities of TAN, STAC, DPM, and DM, a copolymer emulsion of fluoroacylate with a particle size of 50 nm was produced. The water repellency tested on polyester fabrics displayed greater effectiveness than that of commercial products with higher fluorine content.

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High solids-content nanosize polymer latexes made by microemulsion polymerization

Cited by 34 publications

References 0 publications

Nanoparticles from a controlled polymerization process

Nanoparticles from a controlled polymerization process

Use of polystyrene nanoparticles synthesized by differential microemulsion polymerization for property improvement of (vinyl acetate)‐ethylene copolymer

Preparation of fluoroacrylate nanocopolymer by miniemulsion polymerization used in textile finishing

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