cement grinding aid composition patent

grinding aid aid composition weight percent glycol cement Prior art date Application number PCT/US2013/043571 Other languages French (fr) Inventor Ritesh GULABANI Prashant Tatake Original Assignee Dow Global Technologies Llc Priority date (The priority date is an assumption and is not a legal conclusion.

Grinding aids for high performance cements Grinding aids are organic compounds that are added to the mill during cement grinding. Their main purpose is to reduce the energy required to grind the clinker into a given fineness. In addition, some products (usually referred to as performance enhancers) provide positive effect on cement hydration ...

"SLAG COMPOSITION, METHOD TO IMPROVE THE EFFICIENCY OF SLAG AND CEMENT MILLING". The present invention is directed to a new grinding aid for slag and slag / clinker mixtures. The grinding aid is any fluid containing silicon or mixtures thereof. The compositions improve the efficiency of grinding slag or slag / clinker mixtures by reducing energy consumption during the grinding process.

Additives for use as grinding aids and set retarders in the manufacture of hydraulic cement composed of polyglycerol, preferably a polyglycerol selected from the group of di-, tri-, and tetraglycerol and mixtures thereof, the additive being used either alone or in combination with at least one of a water-soluble glycol, a water-soluble hydroxy-alkyl amine, a water-soluble salt of a sulfonated ...

Grinding aids (GAs) are increasingly used during cement production to reduce energy consumption and/or optimize clinker factor. This paper seeks to assess the effect of such additions on variations in flow of cement pastes, including static yield stress (τ 0) and viscosity (η).Grinding tests were performed at fixed specific energy consumption (Ec) or Blaine cement fineness.

CA 70 (18): 80618r. 1. An improved method of grinding cement clinkers wherein the clinkers are ground in an aqueous environment, the improvement which comprises using as a grinding aid a composition comprising: . 2. The improved method of claim 1 wherein the water-soluble glycol is diethylene glycol. 3.

grinding aid cement milling in in south africa Know More. 05-01-2013 0183 32 Grinding Aids Africa, grace grinding aids in South Africa, grinding aid diethyl gylcol for cement mill Modern cement manufacturing Read more africa grinding mill cement invention ball mill images -- Crusher South Africa cement ball mill grinding internal photo to view a, Patent US - Cement grinding aid and set ...

A New way to Process Cement Reactivity. CHRYSO®ICARE is a new patent-pending innovation that boosts cement compressive strengths to significantly reduce clinker factor and therefore cement CO2 footprint. CHRYSO®ICARE is a disruptive technology developed into 2 ranges: CHRYSO®ICARE CP for challenging grinding processes.

The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding additives.

A kind of application the invention discloses cement grinding aid and its in cement, is related to cement grinding aid field, and grinding aid of the invention includes polymerization carbonylation hydramine, dimercaprol dimercaptopropanol, slow setting component and water.Polymerization carbonization hydramine in grinding aid provided by the invention effectively inhibits traditional ...

The invention provides a cement grinding method and a cement grinding aid, wherein the method comprises the following steps: grinding the cement to-be-ground material and the cement grinding aid together; wherein the cement grinding aid contains saponified waste lye of cyclohexanone prepared by oxidizing cyclohexane.

A grinding aid composition suitable for grinding clinker into hydraulic cement powder, an improved grinding process and an improved cement product are disclosed. The grinding aid composition is composed of a mixture of at least one alkylene ether glycol and particulate carbon.

grinding aid aid composition weight percent glycol cement Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US14/410,316 Inventor Ritesh Gulabani ...

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One of the key benefits of OPTEVA® TDA® additives is their ability to increase both the grinding efficiency and cement strengths to a degree unequalled by conventional grinding aids. Increased early and long-term compressive strengths for the production of better quality cements. Reduced cost of cement production through reduced unit grinding ...

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CN-102718429-A chemical patent summary. CN-102718429-A chemical patent summary. COVID-19 Information. Public health information (CDC) Research information (NIH) SARS-CoV-2 data (NCBI) Prevention and treatment information (HHS) Español; Dismiss. National Institutes of Health ...

Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising: US07/081,927 Cement grinding aid compositions Expired - Fee Related US4828624A ( en )

1. A grinding aid composition for cement clinker grinding, comprising: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol. 2. The grinding aid composition of claim 1 wherein the primary alkanolamine compound comprises one C 2-C 8 hydroxyalkyl group. 3.

Manfred H. Akstinat (MHA) currently works as CEO of the international consulting company CHEMAK Ltd./ Zürich/CH. MHA does research in Polymer and Surfactant Chemistry, Physical Chemistry ...

Tube grinding mills for cement Method for carbonate of lime developed J. Grant introduced tensile strength test for cement W. Aspdin bottle kiln plant at Northfleet Patent for Portland Cement ganted to J. Aspdin 1.3 Chemistry of clinker manufacture 1.3.1 Raw materials Cement making is essentially a chemical process industry and has much in ...

The cement grinding aids is additional material in liquid or solid form, admixed in small amount during the cement clinker grinding process which can significantly improve the grinding efficiency and reduce energy consumption, without compromising the performance of the cement. The cement grinding is an energy intensive process.

Patents US 2015/0336848 A1. Cement grinding aid composition (22) 31.05.2013 (43) 26.11.2015 (57) A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a ...

Grinding Aids For Cement Prepared by: Shyam R. Anandjiwala (Construction Management) INDIAN INSTITUTE OF TECHNOLOGY DELHI ... Effect of GA on Cement Composition • Effect on C3S, C2S, C3A & C3A+gypsum • C3A hydrates to hydrogarnet(C3AH6) before it transforms to ettringite in absence of TEA. ... UNITED STATES PATENT 4,990,190 [7] Preston L ...

The invention relates to an aqueous polymer composition which is used in the form of a cement grinding aid and makes it possible to effectively reduce the grinding time and to obtain cements exhibiting excellent characteristics. A cement grinding aid containing a combination of polymer A and known grinding aids is also disclosed.

The invention relates to an aqueous polymer composition which is used in the form of a cement grinding aid and makes it possible to effectively reduce the grinding time and to obtain cements exhibiting excellent characteristics. A cement grinding aid containing a combination of polymer A and known cement grinding aids is also disclosed.

Abstract: A method of continued grinding of cement is disclosed in order to obtain cement with a high specific surface and/or a steep grain size distribution curve. The grinding is performed in a mill with agitated grinding medium from a specific surface of 300-400 m.sup.2 /kg (Blaine) to a specific surface of up to 1,200 m.sup.2 /kg (Blaine) and with a particle size distribution such that ...

Widely used as a Cement Grinding Aid, set accelerator for concrete, cutting fluids, corrosion inhibitor production, asphalt chemicals etc. Get Price. Diethanolamine | C4H11NO2 - PubChem. Diethanolamine is a member of the class of ethanolamines that is ethanolamine having a N-hydroxyethyl substituent. It has a role as a human xenobiotic metabolite.

A process for increasing the grinding efficiency of a hydraulic cement and for retarding the set of the cement which comprises intergrinding with said cement from 0.01% to 0.5% by weight of the cement of an additive comprising a polyglycerol, from 0% to 90% by weight of the total additive composition of a water-soluble glycol, from 0% to 50% by ...

Some examples of grinding aids which have been successfully utilized on a commercial scale in the grinding of Portland cement clinker are phenol, acetic acid, amines and salts thereof, glycols, and combinations of the foregoing. U.S. Pat. No. 3,329,517 to Serafin discloses amine salts of acetic acid as grinding aids for Portland cement.

Cement Grinding Aids. Cement manufacturing is a highly technical process. Every part has a decisive impact on the product quality as well as on economical and ecological production parameters. From the origin of the necessary raw materials, the clinker burning and cooling, to the careful adjustment of the cement formulation, cement ...

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