cement grinding aid composition patent

cement grinding aid composition patent

Cement grinding aid composition Google Patents

grinding aid aid composition weight percent glycol cement Prior art date 2012-06-25 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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WO2014003972A1 Cement grinding aid composition Google

grinding aid aid composition weight percent glycol cement Prior art date 2012-06-25 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.

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US4828624A Cement grinding aid compositions Google Patents

Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising: US07/081,927 1986-10-28 1987-08-05 Cement grinding aid compositions Expired Fee Related US4828624A ( en )

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US5429675A Grinding aid composition and cement product

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.

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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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US3615785A Cement grinding aid and pack set inhibitor

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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Cement grinding aid compositions Nalco Chemical Company

Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising: TBL _____ Ingredients Percent by Weight _____ A water-soluble glycol 40-70 Urea as a 50% aqueous solution 60-30 _____

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Grinding aid composition and cement product W. R. Grace

Aug 22, 1994· 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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Cement grinding aid and set retarder Patent US-4204877-A

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

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Cement grinding aid composition Cement Lime Gypsum

May 31, 2013· 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

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Cement grinding aid and set retarder Westvaco Corporation

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

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GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT CLINKERS

Jun 25, 2007· A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) a compound having lactate unit manufactured by the lactic acid esterification of any one amine compound selected from lactic acid, C2~C5 mono-, di- or trialkanolamine, its isomer or their mixture (b) a

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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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Comprehensive understanding of ­grinding aids Cement

Grinding aids have been used successfully for decades in cement production and many other areas, such as ceramics, pigments etc. The main effect is to reduce energy consumption and increase the grinding efficiency. Additional features can be improved e.g. powder flowability and strength development of binders.

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INVESTIGATION ABOUT THE EFFECT OF CHEMICAL

Effect of grinding aids on closed circuit cement grinding As introduced before, grinding aids are sprayed in the mill, or added on the clinker, with dosages usually ranging from 100-200 g up to 2-3 kg per ton of cement. Once a grinding aid is added during cement manufacturing, the main effect is the reduction of separator reject: more

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GRINDING AID FOR CEMENT CLINKER BASED ON

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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GCP Applied Technologies receives European patent on

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.

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Grinding Aids for Cement SlideShare

May 11, 2015· 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

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GCP Applied Technologies receives European patent for

Oct 19, 2018· 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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