CEMENT GRINDING AID COMPOSITION Free Patents Online

Nov 26, 2015· 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 2C 8 hydroxyalkyl group. 3.

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CEMENT GRINDING AID Free Patents Online

Sep 10, 2009· 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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US6005057A Cement grinding aid Google Patents

A cement clinker grinding aid which comprises a styrenemaleic anhydride copolymer (SMA) superplasticiser. The SMA is preferably a type with polyoxyalkylenebased 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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SINTEF Building and Infrastructure Christian J. Engelsen

Grinding aids are mostly organic compounds that are added to the clinker in the cement mill. Their main purposes are to reduce the energy required to grind the clinker into a given fineness and therefore increase the efficiency of the cement mill. Grinding aids have been used for more

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US Patent for Grinding aids for hydraulic cement Patent ...

The grinding aid according to the invention are particularly valuable in the case of cement and especially Portland cement. Portland cement is one of the hydraulic cements, which essentially consist of two calcium silicates and a smaller amount of calcium aluminate.

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Dieter Honert Inventions, Patents and Patent Applications ...

Dec 06, 2012· Abstract: 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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The Effect on the Performance of Cement Grinding Aid ...

The grinding aid of cement grinding aids is determined by orthogonal optimization. By adding different inorganic reinforcing components, Developed a cement grinding result turns out, compared with blank sample, the adulteration of grinding aid leads compression strength of 3d, 7d and 28d respectively are improved %, %

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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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Chemical abstract grinding aid for cement patent Henan ...

Cement grinding aid positions Nalco Chemical. May 09 1989a Glycols have been used for years as cement grinding aids alone or with other additives b US Pat No 3420686 teaches that urea is an effective grinding aid and pack set inhibitor THE INVENTION The invention is based on the bination of two ponents which individually have been shown to be effective grinding aids

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Additives Cement industry news from Global Cement

Europe: USbased 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 bioderived glycerol and reduce …

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GCP Applied Technologies receives European patent for ...

Oct 19, 2018· Europe: USbased company GCP Applied Technologies has received a European patent for increasing the efficiency of cement grinding by using sustainable raw materials. The grinding aids …

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GCP Applied Technologies receives European sustainable ...

GCP Applied Technologies Inc has been issued with a patent for increasing cement grinding efficiency by using sustainable raw materials. The novel grinding aids and quality improvers allow the use of bioderived glycerol and reduce the use and the impact of oilderived chemicals. European Patent No ...

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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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CN105891341A

A method for directly measuring content of triethanolamine in a cement grinding aid by an improved liquid chromatographic method is provided. According to the improved method, a micellar aqueous solution of a surfactant is used as a mobile phase, and on a common reversedphase column, content of triethanolamine in a cement grinding aid is directly analyzed by high pressure liquid chromatography.

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Cement Grinding Aids, Cement Grinding Aids Suppliers and ...

offers 446 cement grinding aids products. About 28% of these are surfactants, 26% are textile auxiliary agents, and 19% are leather auxiliary agents. A wide variety of cement grinding aids options are available to you, such as surfactants, coating auxiliary agents, and leather auxiliary agents.

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grinding aid cement mill chemical composition YouTube

Aug 26, 2016· A cement of the same general characteristics of a normal Type I is provided which involves the intergrind of from 1 up to about 25 parts cement chemical grinding aid pdf, artificial sand making ...

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CEMENT GRINDING AID AND PACK SET ... Free Patents Online

Oct 26, 1971· United States Patent 3615785 ... increasing the through put of a given grinding mill or by reducing the size of mill needed to grind a given amount of cement. The addition of a grinding aid enables the mill to grind the clinker to a smaller size with less energy by prohibiting the buildup of a coating of finer material on the grinding media and ...

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Cement grinding aid composition

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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Cement grinding aids | GCP Applied Technologies

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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CN101898878B Cement grinding aids 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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What is a Grinding Aid? (with picture)

A grinding aid is a specialty chemical agent used to make it easier to grind and mix cement. Specifically, grinding aids prevent cement particles from reagglomeration, or readhering, during and after the grinding process. Grinding aids make it possible to streamline the cementmaking process by ...

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Cement Grinding Aid, Cement Grinding Aid Suppliers and ...

offers 375 cement grinding aid products. About 34% of these are surfactants, 31% are textile auxiliary agents, and 23% are leather auxiliary agents. A wide variety of cement grinding aid options are available to you, such as free samples.

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Modern cement manufacturing: Cement grinding aids

Dec 04, 2008· Also disclosed was a mixture involving other hydroxylamines such as triethanolamine. The patent further claims that these amines could be added as grinding aids in the cement manufacture. (iv) United States Patents 4204877, 3615785, 5125976 and French Patent 2337699. One of the major classes of grinding aids used today is the oligomers of

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Cement grinding aid MBT Holding AG Free Patents Online

Dec 21, 1999· A cement clinker grinding aid which comprises a styrenemaleic anhydride copolymer (SMA) superplasticiser. The SMA is preferably a type with polyoxyalkylenebased 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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GCP Applied Technologies Receives European Patent on ...

Oct 18, 2018· CAMBRIDGE, Mass. – October 18th, 2018 – GCP Applied Technologies Inc. (NYSE:GCP), a leading global provider of construction products technologies, is proud to announce the issuance of a patent for increasing the efficiency of cement grinding by using sustainable raw materials. The novel grinding aids and

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Cement Clinker Grinding Aids

The use of a good Cement clinker grinding aid can be vital in today’s increasing material demands. Along with the obligation to process increasingly larger quantities of ores containing finely disseminated minerals, our limited energy resources and the rising costs of energy present a challenge to the process engineer. One research route that has been explored for about half a century is the ...

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Grinding aid composition and cement ... Free Patents Online

Jul 04, 1995· 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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Low Cost Grinding Aids for Cement

Low Cost Grinding Aids for Cement Due to the current economic crisis and the situation in progress in the construction industry, Spanish cement producers have been obliged to take several measures in order to notably reduce costs. In light of this situation, Proquicesa decided to focus its RD efforts on the development of an ...

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Grinding Aids Cement | Crusher Mills, Cone Crusher, Jaw ...

grinding aids for cement – Crusher South Africa. msds for grinding aid for cement production. Low Cost Grinding Aids for Cement grinding aids, maintaining the mill efficiency, the cement production and the cement …

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