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CN1332903C - Cement grinding aids - Google Patents

The present invention relates to a grinding aid for cement, which belongs to the field of cement production. The grinding aid for cement is composed of 4 wt% to 20 wt% of triethanolamine, 5 wt% to 25 wt% of ethylene glycol, 5 wt% to 10 wt% of acetamide, 22 wt% to 26 wt% of carbamide, 3 wt% to 5 wt% unsaturated polyester resin and 36 wt% to 44 wt% pulp waste.

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CN1858014A - Cement grinding aids - Google Patents

The cement grinding aid used for cement production consists of triethanolamine 4-20 wt%, ethylene glycol 5 -25 wt%, acetic amine 5-10 wt%, urea 22-26 wt%, unsaturated polyester resin 3-5 wt% and waste paper pulp liquid 36-44 wt%. The present invention can eliminate static electricity during cement ball milling process to raise cement yield and save electric power.

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CN100453492C - Cement grinding aids ... - patents.google

The present invention relates to a cement grinding aid and a production technology thereof, particularly to a cement grinding aid used in cement manufacture. The existing grinding aid has the defects of single variety, high price and instable quality; furthermore, the existing grinding aid has larger difference with developed countries; therefore, the manufacture and development of a cement ...

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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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Cement grinding aid composition - Google Patents

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. US20150336848A1 - Cement grinding aid composition - Google Patents Cement grinding aid composition Download PDF Info

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ES2505701T3 - Cement Grinding Aids - Google Patents

The use of an aqueous composition comprising at least one polymer A of the formula (I) as a cement grinding agent ** Formula ** wherein, M> = each independently H +, an alkali metal ion, an ion of alkaline earth metal, a divalent or trivalent metal ion, an ammonium ion or an organic ammonium group, R> = each R independently of one another, is hydrogen or methyl, R1 and R2> = each independently ...

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

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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US5429675A - Grinding aid composition and cement product ...

- Google Patents 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...

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CN100453492C - Cement grinding aids ... - patents.google

The present invention relates to a cement grinding aid and a production technology thereof, particularly to a cement grinding aid used in cement manufacture. The existing grinding aid has the defects of single variety, high price and instable quality; furthermore, the existing grinding aid has larger difference with developed countries; therefore, the manufacture and development of a cement ...

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US20180141863A1 - Cement grinding aids prepared with waste ...

It discloses cement grinding aids prepared with waste antifreeze 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, 3-12 parts of saccharide and 15-50 parts of water. The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH ...

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US Patent Application for CEMENT GRINDING AIDS PREPARED ...

It discloses cement grinding aids prepared with waste antifreeze 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, 3-12 parts of saccharide and 15-50 parts of water. The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH ...

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US Patent Application for CEMENT GRINDING AID Patent ...

An aqueous polymer composition is disclosed 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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US Patent for Cement grinding aids prepared with waste ...

It discloses cement grinding aids prepared with waste antifreeze 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, 3-12 parts of saccharide and 15-50 parts of water. The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH ...

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

Justia Patents To Aid Dispersion Or Prevent Chemical Reaction, Deliquescence, Agglomeration Or Frothing US Patent for Grinding aids for hydraulic cement Patent (Patent # 4,643,362) Grinding aids for hydraulic cement . Dec 2, 1985 - W. R. Grace Co. Hydraulic cements such as Portland cement are interground with diesters formed by reacting a polyol (e.g. alkylene glycol) with a monobasic ...

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US Patent for Cement grinding aid compositions Patent ...

Justia Patents US Patent for Cement grinding aid compositions Patent (Patent # 4,828,624) ... Cement grinding aids have been used for many years, and it is estimated that U.S. consumption of such chemicals is currently 30-40 million pounds per year. Most commercial grinding aids are either waste streams of ethylene glycol or diethylene glycol, or a combination of a glycol and an amine acetate ...

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Cement grinding aid and set retarder - Westvaco Corporation

United States Patent 4204877 ... It is common practice in the cement industry to employ grinding aids which increase the efficiency of the grinding operation thereby lowering the power required to grind a unit of cement and which decrease the plant investment either by increasing the through put of a given grinding mill or by reducing the size of mill needed to grind a given amount of cement ...

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cement grinding aids patents - ornitologiczna.pl

cement grinding aids patents Patent Report: US10077211 Cement grinding aids 2019-6-13 Ethylene glycol serving as a main component of the waste antifreeze is a main grinding aid raw material of a cement grinding aid. U.S. Pat. No. 2,225,146 discloses a me

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Cement Grinding Aids Patents - meikemeinhardt.nl

Cement Grinding Aids Patents. Cement Grinding Aid Patent. Cement Grinding Aids For Clay Rich Limestone Matriel . Improvement through use of a cement grinding aid composition by calcination of limestone and clay in as cement grinding aids in.Solutions for the cement industry - basf.Mastercem grinding aids reduce agglomeration limestone, natural pozzolan and cement grinding physical cement

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US Patent for Cement grinding aids prepared with waste ...

It discloses cement grinding aids prepared with waste antifreeze 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, 3-12 parts of saccharide and 15-50 parts of water. The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH ...

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Patent Report: US10077211 Cement grinding aids ...

Meanwhile, the cement grinding aid enhancer prepared in the present invention is good in grinding aid performance and low in cost, can greatly improve the yield of cement and the strength of cement at each age, meets the requirements of national standards for cement products and cement grinding aids, and does not influence the durability of concrete. Experimental results show that when 0.03% ...

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US Patent for Cement grinding aid Patent (Patent ...

Justia Patents US Patent for Cement grinding aid Patent (Patent # 6,005,057) Cement grinding aid . Jan 30, 1997 - MBT Holding AG. 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 ...

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Grinding aids for hydraulic cement. - GRACE W R CO

The grinding aids according to the invention are particularly valuable in the case of cement and especially Portland cement. Portland cement is o ne of the hydraulic cements, which essentially consist of two calcium silicates and a smaller amount of calcium aluminate. Such cements are produced by processing an intimate mixture of a finely divided limestone, together with an argillaceous ...

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cement grinding aids patents - scienceslam.be

2020-11-27  Cement grinding aid patent - ontwerpbureau . Cement grinding aid patent. May 09 1989 a 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 combination of two components which individually have been shown to be

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cement grinding aids patents - lenskycz.cz

Grinding aids for hydraulic cement Google Patents. grinding acid cement grinding aids alkylene polyol Prior art date 1985-12-02 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.)

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cement grinding aids patents - at-tannenhof.ch

Grinding aids for hydraulic cement Google Patents. grinding acid cement grinding aids alkylene polyol Prior art date 1985-12-02 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.) Expired Lifetime Application number US06/803,380 Inventor Frank G. Serafin ...

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cement grinding aids patents Prominer (Shanghai) Mining ...

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. Get Price. US3615785A - Cement grinding aid and pack set inhibitor ... Additive compositions for use as grinding aids and pack set inhibitors in the manufacture of hydraulic ...

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Modern cement manufacturing: Cement grinding aids

2008-12-30  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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Grinding Aids for Cement - SlideShare

2015-05-11  Grinding Aids For Cement Prepared by: Shyam R. Anandjiwala (Construction Management) INDIAN INSTITUTE OF TECHNOLOGY DELHI 2. ... (1967):” MINERAL GRINDING AIDS AND PROCESS OF GRINDING”UNITED STATES PATENT 33125305 [8] D.W.Fuestenau(1995):”GRINDING AIDS” Kona Powder and Particle Journal [9] Joseph J. Assaad,

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Grinding aids for hydraulic cement. - GRACE W R CO

The grinding aids according to the invention are particularly valuable in the case of cement and especially Portland cement. Portland cement is o ne of the hydraulic cements, which essentially consist of two calcium silicates and a smaller amount of calcium aluminate. Such cements are produced by processing an intimate mixture of a finely divided limestone, together with an argillaceous ...

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CEMENT GRINDING AID - SIKA TECHNOLOGY AG

Such cement grinding aids are typically selected from the class comprising glycols such as alkylene glycols, amines or amino alcohols. For example, U.S. Pat. No. 5,084,103 describes trialkanolamines, such as triisopropanolamine (TIPA) or N,N-bis(2-hydroxyethyl)-N-(2-hydroxypropyl)amine and tris(2-hydroxybutyl)amine as grinding aids for clinkers.

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cement grinding aids patents - scienceslam.be

2020-11-27  Cement grinding aid patent - ontwerpbureau . Cement grinding aid patent. May 09 1989 a 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 combination of two components which individually have been shown to be

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Cement Grinding Aids Patents

Cement Grinding Aids Patents. Patents US 20180141863 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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CEMENT GRINDING AID COMPOSITION - Dow Global

Grinding aids lower the amount of energy and time needed for grinding by increasing the efficiency of the grinding process. The reduced energy consumption can significantly improve the overall cost efficiency of a cement plant, for instance by reducing the operating costs of the plant, increasing cement production throughput, and/or reducing the size of the milling equipment required to grind ...

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cement grinding aids patents Prominer (Shanghai) Mining ...

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. Get Price. US3615785A - Cement grinding aid and pack set inhibitor ... Additive compositions for use as grinding aids and pack set inhibitors in the manufacture of hydraulic ...

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cement grinding aids patents

cement grinding aids patents. The effect of addition agents in grinding Portland cement . mixins a little soft coal 'litr.l. trle cl1arge. Ho'vlever, no serious investigation of this effect appears in the Iiterature. Quite recently the effect of a patented material, called nTDAtt, on the 5rin'iingof portland cement clinker has been published.1,2 Several patents have been issued on the use of ...

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Cement Grinding Aids Patents

Cement Grinding Aids Patents. Hot Products. 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 ...

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Effect of Grinding Aids on the Particles Characteristics ...

Download Citation Effect of Grinding Aids on the Particles Characteristics of Cement and Analysis of Action Mechanism Effects of triethanolamine grinding aids on the angle of repose, fineness ...

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Cement grinding aids and theory - linkedin

Cement grinding aid is a kind of chemical additive to improve the grinding effect and performance of cement, which can significantly increase the yield of cement, the strength of cement at all ...

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