nanoparticle dispersion grinding patent

US Patent for Process for producing a dispersion

Oct 25 2012 0183 32 The present invention relates to a process for producing a dispersion comprising microfibrillated cellulose and nanoparticles wherein the process comprises the steps providing a slurry comprising pre-treated cellulose fibers adding nanoparticles to the slurry and treating the slurry by mechanical disintegration so that a dispersion comprising microfibrillated cellulose is formed in which...

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Grinding process for forming a slurry of nanoparticles

Dec 16 2004 0183 32 BACKGROUND OF THE INVENTION 0001 1 Field of the Invention 0002 The present invention relates to a process for forming a slurry of dispersed particles and more particularly to a grinding process for forming a slurry of dispersed nanoparticles used for dying colored-pigment-dispersing of a textile or for dispersion of coatings inks organic or inorganic flame...

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Nanoparticle dispersion containing lactam compound

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer The nanoparticles comprise at least lactam compound of formula I wherein R...

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US20040251329A1

A grinding process for forming a slurry of nanoparticles consists of the following steps forming a mixture by mixing a matrix a dispersant and dispersing media together adding a pre-treated grinding-media into the mixture wherein the grinding-media are glass beads with an average particle diameter of less than 100 m milling or grinding the mixture and separating the grinding-media from...

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WO2020161451A1

This invention relates to an aqueous dispersion of nanoparticles the nanoparticles comprising on an oxide basis a 85-100 wt ZrO2 HfO2 b 0-15wt Y2O3 and c 0-2wt Al2O3 wherein the dispersion has a polydispersity index of 010-017 The invention also relates to a method of forming a ceramic article comprising the steps of a pouring the aqueous dispersion into a mould b...

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ORGANIC PIGMENT NANOPARTICLE DISPERSION PRODUCING METHOD

Patent Examined Patent Application - Republic of Korea Application KR20070054145 on 2007-06-01 Publication 2007-12-06 Abstract An organic pigment nanoparticle dispersion its preparation method a colored photosensitive resin composition containing the dispersion a photosensitive resin transfer material using the composition a color...

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Surface modified drug nanoparticles

A nanoparticle dispersion of Danazol was prepared for clinical evaluation using a ball milling dispersion method This dispersion was prepared by milling with glass grinding media The grinding media used was Media type 085-118 mm unleaded glass spheres Media quantity 6100 ml The media was added to a 3 gallon porcelain jar...

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NANOPARTICLE TECHNOLOGY FORMULATING POORLY WATER

NANOPARTICLE TECHNOLOGY FORMULATING POORLY WATER-SOLUBLE COMPOUNDS A REVIEW For dispersion and wet grinding in the micron to nano range dyno mill is generally used Czekai DA Liversidge GG Surface modified drug nanoparticl 1992 US Patent 5145684 Chakka V M Altuncevahir B Jin Z Q Magnetic nanoparticles produced by...

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NANOPARTICLE/DISPERSANT COMPLEX NANOPARTICLE DISPERSION

Patent Patent Appl Publ within the TVPP - United Stat Application US200913054411 on 2009-07-27 Publication 2011-06-16 and one of an oxo acid group containing a sulfur atom or a phosphorus atom and an anion moiety of the oxo acid group in the nanoparticle dispersion liquid...

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Fine Grinding And Dispersion Machine K8010010

High quality ne grinding and dispersion achieved by Premium mill for wet fine grinding and dispersion Particle technology for co-creation of new possibilities KEY POINT Well polished superb beads separation performance 5x higher than conventional mills Minimum bead diameter 01 mm Small beads compatible High viscosity slurry compatible Large ow rate operation possible Proven record of...

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Nanoparticle Technology Handbook

Apr 27 2012 0183 32 Nanoparticle technology is a new and revolutionary technology which is increasingly being used in electronic devices and nanomaterials It handles the preparation processing application and characterisation of nanoparticles and has become the core of nanotechnology as an extension of the conventional fine particle / powder technology...

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NANOPARTICLE DISPERSION CONTAINING LACTAM

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer The nanoparticles comprise at least lactam compound of formula I wherein R1 R2 R3 R4 R5 R6 R7 and Q are defined herein A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or another...

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PROCESS FOR PREPARATION OF NANOPARTICLES FROM MAGNETITE

The particle sizes observed for the dispersion prepared using 1 mm and 05 mm zirconium oxide grinding balls in the final grinding stages were 32 and 21 nm respectively see FIGS 3 and 4 the observed zeta potentials of the nanoparticle dispersions were 40 and 42 mV respectively...

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A METHOD TO PREPARE A METALLIC NANOPARTICLE DISPERSION

1 1-15 canceled 16 A method for preparing a metallic nanoparticle dispersion the method comprising the steps of forming a metallic precursor dispersion or solution by adding a metallic precursor to a dispersion medium including a a solvent according to Formula I wherein R 1 and R 2 represent an optionally substituted alkyl group and R 1 and R 2 may form a ring b a carboxylic...

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nanoparticle dispersion grinding patent

Contract wet grinding and dispersion for the abrasives industry fine particle as well as the reintroduction of older drugs that are off the market or off patent More details This patent-pend- ing technology is so to nanoparticles materials ground to 02 181 m and finer in involve dispersing the materials into a suspension using...

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US 5145684 A

The Lens serves almost all the patents and scholarly work in the world as a free open and secure digital public good with user privacy a paramount focus...

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JP2012185944A

Disclosed is a metal nanoparticle dispersion liquid which can form a metal coating film such as metal wiring which has good dispersion stability of metal nanoparticles and excellent adhesion to a base such as a substrate A dispersion containing metal nanoparticles having a surface on which an aliphatic amine a fatty acid and a silane coupling agent are adsorbed and a hydrophobic solvent...

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United States Patent Application Publication Pub No US

Patent Application Publication Sep 29 2011 Sheet 2 of 5 Jl 0 Br Br 7 -toluene Macroinitiator Scheme Figure 3 t Cu l Br/HMTETA 40 176 C 27h oyO...

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Dispersing nanoparticles in liquids

Dec 10 2004 0183 32 Dispersion of a paint filler shows the change in the particle size with stressing time in a stirred ball mill Most of the agglomerates of the feed are larger than 100 μm During dispersion two agglomerate sizes can be seen more clearly in the depiction as density distribution see Fig 12 Both the smaller agglomerates around 1 μm and the...

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Nanoparticle processing Understanding and controlling

May 01 2020 0183 32 Mechanical grinding of aggregated particles is often practiced to make nanoparticles but the particle size is typically broad and impurities can get incorporated from wearing of the milling agent Chemically-bonded agglomerates are attractive for certain applications eg catalysis fiber optics and electroceramics eg battery...

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A metallic nanoparticle dispersion

The present invention relates to a metallic nanoparticle dispersion comprising a dispersion medium characterized in that the dispersion medium comprises a solvent according to Formula I wherein R 1 and R 2 represent an optionally substituted alkyl group and R 1 and R 2 may form a ring When using a solvent according to Formula I as dispersion medium no polymeric dispersants are necessary to...

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fabrication of nanoparticles by grinding or grinding

Effectively Grinding And Dispersing Nanoparticles Using A Fine bead mills widely used in both laboratory and production applications deliver an efficient method for the grinding and dispersion of nanoscale particles from 20 to 200 nanometers File Size 43KB fabrication of nanoparticles by milling or grinding...

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Grinding Temperature with Nanoparticle Jet Minimum

One patent involves the nanoparticle jet flow in the MQL of grinding lubricant supply systems An MQL grinding lubricant is prepared by adding nanoscale solid particles into a degradable grinding liqu The lubricant is turned into pulse liquid drops with fixed pressure variable pulse...

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US Patent for Method of preparing stable drug

4 adding a surface modifier to the autoclaved drug substance and grinding media in a dispersion medium and wet grinding the drug substance sufficient to maintain an effective average particle size of less than 400 nm The particles of this invention comprise a drug substance The drug substance exists as a discrete crystalline phase...

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Grinding and dispersing nanoparticl

Jan 01 2004 0183 32 Over the past few years we have observed an increase in the desire to use bead mills for grinding and dispersion of nanoscale particl The objective of this paper is a general discussion of how this process works in a bead mill the parameters required to successfully produce these nanoscale dispersions and some experience in grinding or particle size reduction of solids to the nanoscale...

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KR20150013675A

Discuss 239000006185 dispersions Substances 0000 title claims abstract description 75 239000002105 nanoparticles Substances 0000 title description 16 239000002082 metal nanop...

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Lipid Nano

The traits of lipid biocompatibility and versatility have led to many nano- and microparticulate lipid formulations being engineered over the last two decades in the form of spheres and capsules using solid and liquid lipids as the matric This review describes the main types of lipid nano- and microparticles as well as their preparation methods administration routes and main fields of...

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Silver nanoparticles method for producing same silver

Nov 15 2016 0183 32 Provided are silver nanoparticles having excellent dispersion stability and capable of forming on a substrate a silver element such as a silver film...

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US Patent for Surface modified drug nanoparticles Patent

A nanoparticle dispersion of Danazol was prepared for clinical evaluation using a ball milling dispersion method This dispersion was prepared by milling with glass grinding media The grinding media used was Media type 085-118 mm unleaded glass spher Media quantity 6100 ml The media was added to a 3 gallon porcelain jar...

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Nanoparticles

Nanoparticles consisting of metals ceramics semiconductors organics carbons and polymers are synthesized by various kinds of methods for realizing desired both physical properties and functions The necessary conditions to explore new functions by employing nanoparticles are as follows 1 The size of nanoparticles is preferable less than 10 nm...

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