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cement grinding aid patent

cement grinding aid patent

CN101898878B - Cement grinding aid - Google Patents

cement grinding aid solution grinding distillation residue Prior art date 2010-07-19 Application number CN2010102301486A Other languages Chinese (zh) Other versions CN101898878A (en Inventor 蒋国平 Original Assignee 宜兴市宏伟科技有限公司 Priority date (The priority date is an assumption and is not a legal conclusion.

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US20150336848A1 - Cement grinding aid

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 -...

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US4828624A - Cement grinding aid compositions -

cement grinding weight grinding aid Prior art date 1986-10-28 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no...

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US5429675A - Grinding aid composition and cement

The grinding aid composition is composed of a mixture of at least one alkylene ether glycol and particulate carbon. A grinding aid composition suitable for grinding clinker into hydraulic cement...

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EP2582643A1 - Grinding aid - Google Patents

The invention relates to the use of methyldiethanolamine as a grinding aid for cement, and in particular its use as a strength enhancing grinding aid for cement. The compressive strength may be...

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Cement grinding aid - MBT Holding AG

1997-1-30  Cement grinding aid United States Patent 6005057

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CN103553407A - Preparation method of cement

The invention relates to a preparation method of a cement grinding aid, and the preparation method comprises the following steps: mixing tri-isopropanolamine with water in the mass ratio of 1:3 to 1:5, heating to 40 to 50 DEG C, until the tri-isopropanolamine is completely dissolved, to obtain an A solution; adding silica fume to dodecylbenzene, stirring to fully dissolve to obtain a B solution for standby use,

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CEMENT GRINDING AID COMPOSITION - Dow Global

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 composition and cement product - W. R.

1994-8-22  Grinding aid composition and cement product United States Patent 5429675

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Cement grinding aid - MBT Holding AG

1997-1-30  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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Cement Grinding Aid - SIKA TECHNOLOGY AG

20-25 kg of a mixture of the particular clinker and a sulfate carrier for the cement optimized in each case were mixed and blended with the particular grinding aid, or without grinding aid, in the dosage specified in Tables 6 to 10, and ground in a heatable ball mill from Siebtechnik at a

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CEMENT GRINDING AID - SIKA TECHNOLOGY AG

1. The use of an aqueous composition comprising at least one polymer A of the formula (I) as a cement grinding agent where M=each independently H +, alkali metal ion, alkaline earth metal ion, di- or trivalent metal ion, ammonium ion or organic ammonium group, R=each R, independently of the others, is hydrogen or methyl, R 1 and R 2 =each independently C 1 - to C 20-alkyl, cycloalkyl ...

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Cement grinding aid and set retarder - Westvaco

During a three-day period, five grinding aid formulations were run on a portland Type I cement using a commercial cement mill. Dilution water was added by rotometer into the feed line, so no pre-mixing for dilution was required. As in Example 1, REAX® G-2 was used as the control grinding aid. The five experimental grinding aid formulations were:

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Grinding aid composition and cement product - W. R.

1994-8-22  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 weight ratio of

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GRINDING AIDS FOR STRENGTH-ENHANCED

2007-6-25  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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GCP Applied Technologies receives European patent

2018-10-19  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

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Leslie A. Jardine Inventions, Patents and Patent ...

2014-9-16  Abstract: Compositions and methods for increasing grinding efficiency of cement, cement clinker, raw materials for cement, and other inorganic particles. Use of biomass-derived polyols such as diols, triols, or mixtures thereof, optionally with a conventional grinding aid, cement quality improver, and/or hexavalent chromium reducer, are believed to provide less risk of sludging when compared ...

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Cement Additives - CHRYSO

2021-6-16  New patent-pending solution to reach unequalled cement performance in specific process configurations: ... However, this leads to a lack of grinding aid in cement to achieve all the benefits from the chemicals. [] 22/09/2020 Overtaking cement grinding process limitations to reach full cement activation potential.

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Dieter Honert Inventions, Patents and Patent

2020-2-12  Abstract: Use of an aqueous composition containing at least one polycarboxylate ether as cement grinding aid, wherein the aqueous composition contains one or more additives, or the aqueous composition is used in combination with one or more additives, and wherein the additive is selected from 1,3-propanediol, a carboxylic acid, a sulfonated amino alcohol, boric acid, a salt of boric acid, a ...

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GRINDING AIDS FOR STRENGTH-ENHANCED

2007-6-25  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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GCP Applied Technologies receives European patent

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.

Get Price

Leslie A. Jardine Inventions, Patents and Patent ...

2014-9-16  Abstract: Compositions and methods for increasing grinding efficiency of cement, cement clinker, raw materials for cement, and other inorganic particles. Use of biomass-derived polyols such as diols, triols, or mixtures thereof, optionally with a conventional grinding aid, cement quality improver, and/or hexavalent chromium reducer, are believed to provide less risk of sludging when compared ...

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Urs Mäder Inventions, Patents and Patent Applications ...

cement grinding aid Publication number: 20120270972 Abstract: 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.

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Dieter Honert Inventions, Patents and Patent

2020-2-12  Abstract: Use of an aqueous composition containing at least one polycarboxylate ether as cement grinding aid, wherein the aqueous composition contains one or more additives, or the aqueous composition is used in combination with one or more additives, and wherein the additive is selected from 1,3-propanediol, a carboxylic acid, a sulfonated amino alcohol, boric acid, a salt of boric acid, a ...

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Progress with grinding aids for VRMs - Global Cement

2018-6-1  Grinding aids for VRMs increase the powder flowability of the finished cement without reduction of the stability of the material bed. The impact of grinding aids depends strongly on the fineness of the cement: The higher the surface area, the bigger the attraction force and therefore the bigger the benefit from an appropriate grinding aid.

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Basic Grinding Aid - GCPAT

2017-7-7  Basic Grinding Aid PRODUCT DATA SHEET Product Description NRG® is a chemical formulation of polyalcohols supplied as a liquid miscible with water. It has the following characteristics: • Specific Gravity: 1.14 - 1.18 • pH: 8.5 - 10.5 • Viscosity: 20 – 50 cps Handling NRG may be sprayed as received into the mill’s first compartment

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Cement grinding aid from construction chemical ...

2021-6-20  Cement Grinding Aid. TSC is manufacturer of cement grinding aid in Korea and CGA-Series prevent cement particles from re-agglomeration or re-adhering, during and after the grinding process and CGA is designed for both increasing production and strength.

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Air Entraining Admixtures and Air Entrainment Agent

2021-6-20  Air Entraining Admixtures. TSC is manufacturer of Air entraining admixture in Korea and It improves the durability and workability of concrete by improving stability of ultra stable bubbles and resistance to freezing and thawing and effect on a large mixture of fly

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Mortar, cement, concrete Deformer from construction ...

2021-6-21  Mortar, cement, concrete Deformer. TSC is manufacturer for functional antifoaming agent and TDF-541 is to improve the quality of concrete considering concrete strength and air volume. It is excellent in anti-foaming effect and has excellent miscibility with admixture.

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GCP Applied Technologies receives European patent

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.

Get Price

Leslie A. Jardine Inventions, Patents and Patent ...

2014-9-16  Abstract: Compositions and methods for increasing grinding efficiency of cement, cement clinker, raw materials for cement, and other inorganic particles. Use of biomass-derived polyols such as diols, triols, or mixtures thereof, optionally with a conventional grinding aid, cement quality improver, and/or hexavalent chromium reducer, are believed to provide less risk of sludging when compared ...

Get Price

Urs Maeder Inventions, Patents and Patent

cement grinding aid Publication number: 20120270972 Abstract: 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.

Get Price

Dieter Honert Inventions, Patents and Patent

2020-2-12  Abstract: Use of an aqueous composition containing at least one polycarboxylate ether as cement grinding aid, wherein the aqueous composition contains one or more additives, or the aqueous composition is used in combination with one or more additives, and wherein the additive is selected from 1,3-propanediol, a carboxylic acid, a sulfonated amino alcohol, boric acid, a salt of boric acid, a ...

Get Price

Cement grinding aid from construction chemical ...

2021-6-20  Cement Grinding Aid. TSC is manufacturer of cement grinding aid in Korea and CGA-Series prevent cement particles from re-agglomeration or re-adhering, during and after the grinding process and CGA is designed for both increasing production and strength.

Get Price

Modern cement manufacturing: 2008

2008-12-30  The readers are advised to refer to the original patent for detailed information. Patents: (i) United States Patent 6005057: 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.

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CATALYSIS OF CEMENT HYDRATION BY CHEMICAL

2014-8-25  [U.S. patent 4,990,190 “Strength Enhancing Additive for Certain Portland Cements” (Feb. 5, 1991)] • Used since early 1990’s as a grinding aid and strength enhancer in Grace’s “CBA” series of cement additives. •Principal mechanistic hypotheses published in 1993 [Gartner, E. M., and Myers, D. F., “Influence of Tertiary

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Inseob Kim - RD Part Manager - KMB Co., LTD.

2) RD Technical Business of Cement Grinding Aid - Development of Cement Grinding Aid for Enhanced of Grinding Time Cement Strength. - Patent: 10-2006-0105954 (Grinding Agent for Fine Grinding of Mineral) 10-0650135 (Compositions of Grinding Agent for Cement Clinkerd-Supply cement grinding to Ssangyong Cement, Hyundai Cement and Lafarge ...

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Mold release agent for concrete from construction

2021-6-20  Mold release agent for concrete. TSC is manufacturer of mold release agent for concrete and KEX100 provide quick, clean and easy stripping of mold, and framework and ensure high quality fair-faced and stain-free concrete. The chemicals react with the alkali in the concrete to form a thin water repellent skin on the surface of the mold, thereby ...

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Mortar, cement, concrete Deformer from construction ...

2021-6-21  Mortar, cement, concrete Deformer. TSC is manufacturer for functional antifoaming agent and TDF-541 is to improve the quality of concrete considering concrete strength and air volume. It is excellent in anti-foaming effect and has excellent miscibility with admixture.

Get Price