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cement grinding aid patent

Cement grinding aid and set retarder Patent US-4204877

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 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.

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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 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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US5429675A Grinding aid composition and cement

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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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.

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Cement grinding aid compositions Nalco Chemical

Cement grinding aid compositions . United States Patent 4828624 . Abstract: 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.

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 hydraulic cement. GRACE W R & CO

The mill charge for each test grind consisted of a Portland cement of 95% clinker and 5% gypsum. The steel to cement ratio (S/C) was 6.5, and the temperature of grinding was 220 DEG F (104 DEG C). Results of the grinding aid tests, including comparisons with ethylene glycol (a known grinding aid) appear in Table 1. EMI4.1

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cement grinding aid composition patent

cement grinding aid composition grinding mill. Jul 12, 2021grinding aid in cement grinding . Patent US Cement grinding aid . A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary . Get Price

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Dieter Honert Inventions, Patents and Patent Applications

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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Patents Assigned to Cementa AB Justia Patents Search

2008-5-20  Abstract: 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

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Influence of glycerin grinding aid on the compatibility

2020-2-10  The glycerin (GL) is commonly used as a grinding aid component in cement production, however it can bring poor compatibility between cement ground with it (GL-C) and polycarboxylate superplasticizer (PCE), which causes difficulties to construction.

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Cement Grinding Process Images epa-rivegauche.be

Patent US5429675 Grinding aid composition and cement A grinding aid composition suitable for grinding clinker into hydraulic cement powder, an improved grinding process and an improved cement product are disclosed.

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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

2021-8-5  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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Cement Additives CHRYSO

2021-10-14  CHRYSO CEMENT ADDITIVES improve cement performance, reduce energy & production costs and leverage CO 2 emissions reduction. Because each cement plant has its own challenges and requirements, CHRYSO has developed a strong expertise in the cement industry to provide customers with specific and high-level support and services on field.

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Triisopropanolamine TIPA for cement grinding aid CGA

Triisopropanolamine TIPA for cement grinding aid CGA production. 1. Triisopropanolamine (TIPA) 2. CAS No.: 122-20-3. Triisopropanolamine TIPA is used as a cross-linker in special niche water-based coating applications. The cement and concrete industries use TIPA as a grinding aid, and it is used in concrete

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Investigation of the effects of fatty acids on the

2005-2-1  For an optimum addition, the grinding aids affect on the surface area of the normal cement in the order: stearic acid>myristic acid>lauric acid>oleic acid >sunflower oil. Myristic acid and stearic acid can be used as grinding aid. (4) To use over 0.1 wt.% of the saturated fatty acid addition as grinding agent to the cement decreases the strength.

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Polycarboxylate based superplasticizer Products TSC

2 天前  Polycarboxylate superplasticizer. TSC is manufacturer of advanced polycarboxylate based superplasticizer for high performance concrete. It maintains excellent concrete workability, and even in a large mixture of fly ash, silica and slag fine particles. Product Name.

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Patents Assigned to Cementa AB Justia Patents Search

2008-5-20  Abstract: 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

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Grinding Of Cement Ingredients oo-zone.nl

Cement Grinding Aid. the invention relates to the grinding of cement clinker and more amount of the same sma of the cementitious composition was added in the mixing stage). authority: ep: european patent office; prior art keywords: grinding aid: aid composition: weight percent: glycol: cement; prior art date: 2012-06-25 the invention relates to a novel efficient composite liquid cement

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CHRYSO®ICARE Technology CHRYSO

2021-9-29  A New way to Process Cement Reactivity. CHRYSO®ICARE is a new patent-pending innovation that boosts cement compressive strengths to significantly reduce clinker factor and therefore cement CO2 footprint. CHRYSO®ICARE is a disruptive technology developed into 2 ranges: CHRYSO®ICARE CP for challenging grinding processes.

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compostion of cement grinding aidspdf

Cement grinding aid US Patent 6005057 Description. ash handling plant design pdf . Read More. Grace pioneered the development of chemical compounds for use in cement grinding. Since then, Grace has remained on the cutting of standard grinding aids, Read More.

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Cement Grinding Process Images epa-rivegauche.be

Patent US5429675 Grinding aid composition and cement A grinding aid composition suitable for grinding clinker into hydraulic cement powder, an improved grinding process and an improved cement product are disclosed.

get price

Cement grinding aid from construction chemical

2021-8-5  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

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

get price

Investigation of the effects of fatty acids on the

2005-2-1  For an optimum addition, the grinding aids affect on the surface area of the normal cement in the order: stearic acid>myristic acid>lauric acid>oleic acid >sunflower oil. Myristic acid and stearic acid can be used as grinding aid. (4) To use over 0.1 wt.% of the saturated fatty acid addition as grinding agent to the cement decreases the strength.

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Professor Zhengmao Ye from Material Department of

2021-8-11  6. Study on cement grinding aid and early strength agent. Company project. 2013-2016. 7. Study on cementing mine filling material. Company project. 2013-2016. l Honours & Awards . 2010, Ba-bearing Sulphoaluminate Cement Preparation Technology and Marine Engineering Applications, (Second Prize of the State Technological Invention Award). Fourth

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Polycarboxylate based superplasticizer Products TSC

2 天前  Polycarboxylate superplasticizer. TSC is manufacturer of advanced polycarboxylate based superplasticizer for high performance concrete. It maintains excellent concrete workability, and even in a large mixture of fly ash, silica and slag fine particles. Product Name.

get price

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