eka colloidal silica alemanha

eka colloidal silica alemanha

US6372806B1

Disclosed are stable, aqueous colloidal silicas having surface area of greater than 700 m 2 /g and S-values of from 20-50 These colloidal silicas do not require treatment with surface treatment agents such as aluminum to achieve stability These colloidal silica aquasols can be produced and stored at concentrations of greater than 7 percent by weight SiO 2 solids, and even as high as 15 ....

Bindzil and Levasil Product Guide

For maximum shelf life, our colloidal silica dis-persions should be stored between 5 and 35 °C If exposed to freezing temperatures, colloidal silica dispersions will irreversibly precipitate Colloidal silica dispersions are best stored in dark, closed tanks made of ,...

Wendy Bassner

Wendy Bassner Levasil Colloidal Silica Team Lead North America at Nouryon Marietta, Georgia 368 connections Join to Connect Nouryon , Eka sells Paper & Pulp chemicals I run a department with ....

Development Engineer

Mar 22, 2020· We are now looking for a Development Engineer to join our Colloidal Silica RnD team in Bohus for a fixed term position covering for a parental leave As Development Engineer for our Levasil Colloidal Silica product line you will combine both product and process development and work hands on in the laboratory and in the pilot plant Levasil is a ....

US7544726B2

The invention relates to a method of producing a stable substantially aqueous silanized colloidal silica dispersion having a silica content of at least about 20 wt %, comprising mixing at least one silane compound and colloidal silica particles, wherein the weight ratio of silane to silica is from about 0003 to about 02 The invention also relates to a dispersion obtainable by the method ....

Silica sols and use of the sols

Feb 18, 1997· Silica sols with a high content of microgel and particles with a specific surface area within the range 300 to 700 m 2 /g, preferably 400 to 650 m 2 /g The sols can be prepared by acidification or a water glass solution and alkalization at a certain dry content, alternatively to a certain pH...

Silica sols and use of the sols

Feb 18, 1997· In the production of paper silica based sols with very small, colloidal, anionic silica particles have found an increasing utilization during the last few years Silica sols are hereby used as additives to the stock in combination with cationic or amphoteric polymers, mainly for improving retention and dewatering in the production of paper In ....

Silica sol

Silica sols are aqueous, solvent-free, low-odour, colloidal solutions of amorphous silicon dioxide (SiO2) with particle sizes from 5 nm to 100 nm Because of the special manufacturing process the silica comes in the form of free, non-crosslinked, single spherical particles that have a negative charge in anionic sols, which are stabilised by ....

About the chemistry

There are many grades of colloidal silica, but all of them are composed of nano sized silica particl Learn more about the chemistry and characteristics At Levasil Colloidal Silica we contribute to your success with innovations in silica chemistry Discover our broad product portfolio and reliable supply...

LUDOX® AS

LUDOX ® AS-30 colloidal silica 30 wt % suspension in H 2 O Synonym: Silica preparation CAS Number 7631-86-9 Linear Formula SiO 2 Molecular Weight 6008 MDL number MFCD00011232 PubChem Substance ID 24866355 NACRES NA22...

STUDYING THE EFFECT OF CATIONIC STARCH

STUDYING THE EFFECT OF CATIONIC STARCH- ANIONIC NANOSILICA SYSTEM ON RETENTION AND DRAINAGE Amir Khosravani,* a Ahmad Jahan Latibari,b Seyed Ahmad Mirshokraei,c Mehdi Rahmaninia,a and Mousa M Nazhad d Nanoparticles are widely used in the papermaking industry as retention/ drainage aids, usually in conjunction with a high mass cationic...

Functionality for Levasil Colloidal Silica

Levasil Colloidal Silica aqueous dispersions are available in a variety of grades determined by particle size, structure, concentration, pH, surface charge and surface modification It is a versatile, inorganic material, also known as silica sol, that can be used for many different industrial functions...

EP3074343A1

An aqueous colloidal silica product, a method of using the aqueous colloidal silica product, and a method of producing an aqueous colloidal silica product, are disclosed The method of producing the aqueous colloidal silica product incorporates semi-batch addition of alkali metal silicate, which is capable of achieving an aqueous colloidal silica product having desirable physical and chemical ....

Bindzil® 2034DI

Jul 12, 2019· Bindzil® 2034DI by AkzoNobel is a deionized modified colloidal silica Offers good abrasion resistance Bindzil® 2034DI is used in non-stick coatings...

Colloidal silica and aluminum

Jun 13, 2003· interaction between colloidal silica and aluminum It was to check if there was any reason for using colloidal silica rather than EDTA (or the like) to sequester aluminum species from a sludge precipitated by flocculating organic matter with PAC (polyaluminum chloride, a material extensively used to treat waste water)...

Patents Assigned to EKA Chemicals AB

Dec 21, 2004· Abstract: A method for preparing concrete or mortar in which a mixture of a hydraulic binder, aggregates, water, and colloidal silica is prepared The relative standard deviation of the particle size distribution by numbers of the colloidal silica is at least about 30% The invention also relates to concrete or mortar obtainable by the method...

Material Safety Data Sheet Product No 815

Material Safety Data Sheet Product No 815-110 Colloidal Silica Suspension, 006µm Issue Date (03-24-08) Review Date (04-14-12)...

Pulp & Performance Chemicals

My Nouryon - customer portal Bleaching chemicals (Eka) Cellulose ethers Chelates Colloidal silica (Levasil) Ethylene amines Expandable microspheres (Expancel) Fine chemicals High purity metalorganics Industrial chemicals Micronutrients Polymer chemistry Roadsalt / Wegenzout Sulfur derivatives Surfactants...

eka colloidal silica germany

Eka Chemicals is the largest supplier of colloidal silica in the world, with production in Europe, North America and AsiaPacific Besides its main application in paper manufacturing, Eka´s Bindzil silica is used in industrial applications such as investment casting, refractory materials, polishing and frictionising...

Contact us

With our global network of manufacturing facilities, we provide our professional partners with a reliable supply of high and consistent quality colloidal silica At Levasil Colloidal Silica we contribute to your success with innovations in silica chemistry Discover our broad product portfolio and reliable supply...

Influence of Colloidal Nano

Influence of Colloidal Nano-SiO 2 Addition as Silica Fume Replacement Material in Properties of Concrete AM Raiess Ghasemi, T Parhizkar, and AA Ramezanianpour...

Levasil Colloidal Silica

Levasil Colloidal Silica - a natural part of everyday life Under our main product brand Levasil Colloidal Silica and with our global network of manufacturing facilities, we provide our professional partners with a reliable supply of high and consistent quality colloidal silica...

MODIFIED SILICA PARTICLES

Jan 02, 2014· colloidal silica particles having a specific surface area of 700 m 2 /g in the form of an aqueous sol having a SiO 2 content of 15%, available under the designation Eka NP442; all available from Eka Chemicals AB, Sweden Polymers...

Applications for Levasil Colloidal Silica

Levasil Colloidal Silica is used for a multitude of applications from surface polishing to gel & AGM batteri Read more on how we can support your industry At Levasil Colloidal Silica we contribute to your success with innovations in silica chemistry Discover ,...