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 ...

Cement Grinding with Interground Additives in MPS Roller, The grinding elements and mill operation are modified when the mill is used for finish grinding cement... Patent US4828624 - Know More Cement clinkers are ground in an aqueous environment using as a grinding aid, a composition comprising _____ Ingredients Percent by ....

The present invention pertains to the discovery that short chain aliphatic fatty acids, such as potassium sorbate, can be used in liquid-additive grinding compositions in the amount of at least 10%, more preferably at least 20%, and most preferably at least 30%, to mill carbonate materials into smaller particle size. The carbonate material can optionally be combined with another …

CN102584079A Cement grinding aid for preventing crystallization and salt particle precipitation at low temperature : 07/18/2012: CN102584078A …

European Patent Office Prior art keywords grinding aid aid composition weight percent glycol cement Prior art date 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.) Withdrawn Application number ...

Patents for C04B 7 - Hydraulic cements (9,126) 01/2003: 01/02/2003: US20030004062 Process for manufacturing a soil treatment composition, ...

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 ...

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 …

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. CHRYSO®ICARE VRM and Vertical Roller Mills.

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 …

grinding aid aid composition weight percent glycol cement Prior art date 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.

Glycerin has been an important component of grinding aids and set retarders commonly used in cement industry for a long time, . Some research has been done by global scholars, but most of their work focuses on the grinding effect and retarding effect of glycerin or glycerol-based grinding aids on blended cement,,,, .

Widely used as a Cement Grinding Aid, set accelerator for concrete, cutting fluids, corrosion inhibitor production, asphalt chemicals etc. Get Price. Diethanolamine | C4H11NO2 - PubChem. Diethanolamine is a member of the class of ethanolamines that is ethanolamine having a N-hydroxyethyl substituent. It has a role as a human xenobiotic metabolite.

05/27/2015 RI-85 Cement Grinding Aid 2/6 Name Product identifier % Diethanolamine (CAS No) 111-42-2 < 1.0 SECTION 4: First aid measures 4.1. Description of first aid measures First-aid measures general : If exposed or concerned, get medical attention/advice. Show this safety data sheet to the doctor in attendance.

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

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. Improve grinding efficiency.

cement grinding aid mixture cga. Patent US - 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. Get A Quote

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 …

This web page summarizes information in PubChem about patent JP-2019026536-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.

US20150336848A1 - Cement grinding aid composition - Google Patents A grinding aid composition for improving the efficiency of cement grinding. The grinding aid …

Patents for C04B 7 - Hydraulic cements (9,126) 11/1993: 11/09/1993: US5259876 Method and apparatus for the manufacture of clinker from mineral raw materials : …

Patent. Full-text available. ... into the cement clinker. The mineral composition and mechanics of tricalcium silicate-rich sulfur aluminate prepared at 1300 °C are reported. ... Grinding aids ...

JP-4308926-B2 chemical patent summary.

KR-100686790-B1 chemical patent summary.

a hydraulic cement additive composition comprising a polyglycerol, from 10% to 50% by weight of the total additive composition of a water-soluble glycol, from 10% to 40% by weight of the total additive composition of a water-soluble salt of an aliphatic acid having no more than three carbons, from 10% to 50% by weight of a water-soluble …

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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 cement grinding aids is also disclosed.

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 …

A hydraulic cement composition according to claim 1 wherein the amount of free lime is less than about 2 percent by weight of said composition. 4. A hydraulic cement composition according to claim 1 further containing borates .Iadd.present in a 5:1, lime to boric oxide ratio on a molar basis.Iaddend..