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Cement grinding aids additives | MasterCem

MasterCem cement additives amplify grinding efficiency, resulting in a higher mill throughput and lower the clinker factor, with an overall reduction in CO2 emissions. Our performance enhancers modify and elevate cement's properties, improving its strength, workability and flow and ultimately upgrading cement's usability and durability.

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DE19654160A1 - Cement grinding aid - Google Patents

DE19654160A1 - Cement grinding aid - Google Patents Cement grinding aid Info Publication number ... Priority to GBGB9602084.7A priority Critical patent/GB9602084D0/en Application filed by Sandoz AG filed Critical Sandoz AG

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Cement grinding aids prepared with waste antifreeze ...

Patents US 2018/0141863 A1. Cement grinding aids prepared with waste antifreeze (22) 29.09.2015 (43) 24.05.2018 (57) It discloses cement grinding aids prepared with waste anti-freeze which comprises the following components in parts by weight: 20-75 parts of pretreated waste antifreeze, 5-40 parts of alkanolamine, 1-5 parts of acid solution, 3 ...

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gbasf grinding aids cement patent

Gbasf Grinding Aids Cement Patent. cn101898878b - cement grinding aid - google patents,the invention discloses a cement grinding aid, comprising calcium formate solution, compound glycerol distilled residue solution, triethanolamine, diols and molasses. while the product reutilizes the industrial wastes, the components of the product synergistically act to optimize the efficacy of the grinding ...

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US4828624A - Cement grinding aid compositions - …

US4828624A US07/081,927 US8192787A US4828624A US 4828624 A US4828624 A US 4828624A US 8192787 A US8192787 A US 8192787A US 4828624 A US4828624 A US 4828624A Authority US United States Prior art keywords glycol cement grinding weight grinding aid Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

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CEMENT GRINDING AID COMPOSITION - Dow Global …

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.

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Grinding Aid For Cement Mills - Vetura Mining Machinery

Grinding Aids For Ball Mills | Industrial Efficiency. A grinding aid prevents this agglomeration to improves the grinding efficiency. the aid is generally added to the clinker at a fixed rate from 0.01 to 0.03 before entering to a finishing mill. as a result the grinding improves by 4 to 6 per 0.01 addition of aid. the aid also improved the dispersibility and fluidability of cement (powder.

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Cement grinding aid compositions - Nalco Chemical Company

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.

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patent - Cement industry news from Global Cement

Europe: US-based company GCP Applied Technologies has received a European patent for increasing the efficiency of cement grinding by using sustainable raw materials. The grinding aids and quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals.

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GCP Applied Technologies Receives European Patent on

Grinding aids and quality improvers make cement manufacturing more efficient, while concrete admixtures can reduce the amount of cement needed to achieve a given strength specification.

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Cement grinding aids - GCPAT

TAVERO® grinding aids make life easier for busy cement producers. Our grinding aids are designed to increase mill output without increasing costs, while saving energy and reducing CO 2 emissions. Improved cement flowability reduces the effort for handling and transporting cement.

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Cement Grinding Aid - SIKA TECHNOLOGY AG

TECHNICAL FIELD. The invention relates to the field of cement grinding aids. STATE OF THE ART. The production of cement is a very complex process. Cement is known to be very sensitive toward water, irrespective of whether it is present in the liquid or gaseous state, since cement sets hydraulically, i.e. it hardens under the influence of water within a short time to give a very stable solid body.

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Cement grinding aid composition - Cement Lime Gypsum

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 glycol.

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US3615785A - Cement grinding aid and pack ... - Google …

Additive compositions for use as grinding aids and pack set inhibitors in the manufacture of hydraulic cement composed of a water-soluble polyol, particularly a glycol, and a water-soluble salt of an aliphatic acid having no more than three carbons, said additive compositions being used either alone or in combination with water-soluble salts of a sulfonated lignin, a water-soluble hydroxyalkyl ...

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Grinding aid composition and cement product - W. R. Grace ...

A grinding aid composition for cement clinker grinding comprising a mixture of at least one alkylene glycol represented by the formula: HO(AO) n H wherein A represents a C 2 -C 3 alkylene and n is an integer from 1 to 5 and particulate carbon in a …

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Patent Report: | US10077211 | Cement grinding aids ...

5. The cement grinding aid of claim 3, wherein the flocculant is one compound or more compounds selected from a group consisting of aluminum sulfate, polyaluminum sulfate and polyacrylamide. 6. The cement grinding aid of claim 3, wherein the mass ratio of the flocculant to the pretreated waste antifreeze is (0.01-0.03): 1. 7.

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US Patent for Method of grinding cement Patent (Patent ...

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 about 80% of ...

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Patents Assigned to Sika Technologies AG - Justia Patents ...

Grinding aid for cement clinker based on polycarboxylate ethers and/or lignosulfonates Patent number: 9458060 Abstract: A description is provided of the use of an additive including polycarboxylate ether and/or lignosulfonate as grinding aid in cement grinding for producing a cement, especially when fly ash and rock flour are used in the cement.

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GRINDING AID FOR CEMENT CLINKER BASED ON POLYCARBOXYLATE ...

As grinding aid in cement grinding according to the invention, an additive comprising polycarboxylate ether and/or lignosulfonate is used. In principle, the additive can consist of only the overall active substance, i.e., polycarboxylate ether and/or lignosulfonate, and then it is usually in the form of a …

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CEMENT GRINDING AID - SIKA TECHNOLOGY AG

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.

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Cement grinding aid and set retarder - Westvaco Corporation

United States Patent 4204877 . Abstract: 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 ...

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Influence of glycerin grinding aid on the compatibility ...

Though the addition of grinding aids greatly reduces the energy consumption of cement industry, it seriously affects the adaptability of cement and various admixtures, .Polycarboxylate superplasticizer, as the plasticizer of new generation, has become an indispensable component in the preparation of high-performance concrete.

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GCP Applied Technologies Receives European Patent on ...

of a patent for increasing the efficiency of cement grinding by using sustainable raw materials. The novel grinding aids and quality improvers allow the use of bio- derived glycerol and reduce the use and the impact of oil -derived chemicals. This development continues GCP Applied Technologies' commitment to offer cement producers a

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GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT CLINKERS ...

Patent: Examined Patent Application - Republic of Korea. Application: KR20070062453 on . Publication: . ... A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) ...

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Pascal Gonnon Inventions, Patents and Patent Applications ...

Assignee: Omya International AG. Inventors: Michael Skovby, Pascal Gonnon. Process for the preparation of cement, mortars, concrete compositions containing a calcium carbonate-based filler treated with an ultrafine filler and a superplastifier, compositions and cement products obtained and their applications. Patent number: 9802861.

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Basf Cement Grinding Aids

Basf Grinding Aids Cement Patent. Basf Cement Grinding Aids. BASF grinding aids and performance enhancers help cement producers master these challenges. ... Patent US6557 Cement grinding aid Google ...

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CN101898878B - Cement grinding aid - Google Patents

The invention discloses a cement grinding aid, comprising calcium formate solution, compound glycerol distilled residue solution, triethanolamine, diols and molasses. While the product reutilizes the industrial wastes, the components of the product synergistically act to optimize the efficacy of the grinding process and the product modifies the cement particles, thus improving the quality and ...

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Grinding aids for high performance cements

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 ...

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US6005057A - Cement grinding aid - Google Patents

A cement clinker grinding aid which comprises a styrene-maleic anhydride copolymer (SMA) superplasticiser. The SMA is preferably a type with polyoxyalkylene-based side chains. Use of the grinding aid renders the grinding process more efficient and improves the performance of cementitous compositions in which the cement thus ground is used.

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