search results - cement grinding aid patent

  • CNB 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 andA 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 usedUSA Cement grinding aid Google PatentsA 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 USA1 Cement grinding aid composition Google Patents Cement grinding aid composition Download PDF InfoCement grinding aid composition Google Patents

  • CNB Cement grinding aid Google Patents

    The invention discloses a cement grinding aid, comprising the following components, by weight: 2040% of polyol amine, 510% of polyol, 1030% of lignosulfonate and 2065% of water The cement grinding aid of the invention will not increase waterabsorbing capacity of the cement and has good grindingDEA1 Cement grinding aid Google Patents Cement grinding aid Info Publication number DEA1 DEA1 DEA DEA DEA1 DE A1 DE A1 DE A1 DE A DE A DE A DE A DE A DE A DE A1 DE A1 DE A1 Authority DE Germany Prior art keywords maleic anhydride cementDEA1 Cement grinding aid Google PatentsThe 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 C Cement grinding aids Google Patents

  • CNA Preparation method of cement grinding aid

    The invention relates to a preparation method of a cement grinding aid, and the preparation method comprises the following steps: mixing triisopropanolamine with water in the mass ratio of 1:3 to 1:5, heating to 40 to 50 DEG C, until the triisopropanolamine is completely dissolved, to obtain an A solution; adding silica fume to dodecylbenzene, stirring to fully dissolve to obtain a B30/01/1997· United States Patent Abstract: 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 usedCement grinding aid MBT Holding AGJustia 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 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 theUS Patent for Cement grinding aid Patent (Patent

  • Grinding aid composition and cement product W R Grace

    22/08/1994· United States Patent Abstract: 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 Inventors: Cheung, Josephine H (Columbia, MD) Gartner, Ellis MThe invention discloses a cement grinding aid, comprising the following components, by weight: 2040% of polyol amine, 510% of polyol, 1030% of lignosulfonate and 2065% of water The cement grinding aid of the invention will not increase waterabsorbing capacity of the cement and has good grinding assisting B Cement grinding aid Google PatentsJustia Patents Derived From Carboxylic Acid Or Derivative US Patent Application for CEMENT GRINDING AID Patent Application (Application #) CEMENT GRINDING AID Jul 5, 2012 SIKA TECHNOLOGY AG 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 grindingUS Patent Application for CEMENT GRINDING AID Patent

  • US Patent Application for Cement Grinding Aid Patent

    Justia Patents Derived From Carboxylic Acid Or Derivative US Patent Application for Cement Grinding Aid Patent Application (Application #) Cement Grinding Aid Jun 21, 2005 SIKA TECHNOLOGY AG 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 the2025 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 temperature of from 100 to 120° C In addition to the grinding time and the sieve residue,CEMENT GRINDING AID SIKA TECHNOLOGY AGIt discloses cement grinding aids prepared with waste antifreeze which comprises the following components in parts by weight: 2075 parts of pretreated waste antifreeze, 540 parts of alkanolamine, 15 parts of acid solution, 312 parts of saccharide and 1550 parts of water The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze toUS Patent for Cement grinding aids prepared with waste

  • 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 (eg alkylene22/08/1994· United States Patent Abstract: 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 Inventors: Cheung, Josephine H (Columbia,Grinding aid composition and cement product W R GraceThe grinding aid composition of the invention may be incorporated in various types of cement mixes, including hydraulic cements, for example Portland cement or Pozzolona Portland cement A cement mix according to the invention comprises: the grinding aid composition as described above, cement clinker, gypsum, and optionally one or more fillers such as flyash, bagasseCEMENT GRINDING AID COMPOSITION Dow Global

  • Cement grinding aid compositions Nalco Chemical Company

    United States Patent Cement grinding aids have been used for many years, and it is estimated that US consumption of such chemicals is currently 3040 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 (monoethanolamine, diethanol andselves with cement if no grinding aid is used 2 (r) Grinding aids keep the milling media (balls) clean and increase the productivity 3 Reaction on the clinker surface (tricalcium silicate, C 3 S): water molecules (H 2 O) react with top surface layer oxide ions (O2) to form hydroxide ions (OH) [2] 28bis39Materialsdd 3 260814 16:14 MATERIALS // Grinding 30 ZKG 6 2014Comprehensive understanding of grinding aidsJustia Patents US Patent for Cement grinding aid and set retarder Patent (Patent # 4,204,877) Cement grinding aid and set retarder Jan 15, 1979 Westvaco Corporation 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, theUS Patent for Cement grinding aid and set retarder Patent

  • 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: 2075 parts of pretreated waste antifreeze, 540 parts of alkanolamine, 15 parts of acid solution, 312 parts of saccharide and 1550 parts of water The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH22/08/1994· United States Patent Abstract: 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 Inventors: Cheung, Josephine H (Columbia, MD) Gartner, Ellis MGrinding aid composition and cement product W R GraceThe grinding aid composition of the invention may be incorporated in various types of cement mixes, including hydraulic cements, for example Portland cement or Pozzolona Portland cement A cement mix according to the invention comprises: the grinding aid composition as described above, cement clinker, gypsum, and optionally one or more fillers such as flyash, bagasseash, fumed silicaCEMENT GRINDING AID COMPOSITION Dow Global

  • GRINDING AIDS FOR STRENGTHENHANCED CEMENT CLINKERS

    25/06/2007· Patent: Examined Patent Application Republic of Korea Application: KR on Publication: Abstract A composition for a cement clinker grinding aid having high function is provided to produce cement having various performances and to improve the quality improvement and production competitive power of cement A composition for a cement clinkerUnited States Patent Abstract: 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 watersoluble glycol, a watersoluble hydroxyalkylCement grinding aid and set retarder Westvaco CorporationThe cement, for the preparation of which the grinding aid used according to the invention is used, can be any conventional cement, for example, one in accordance with the five main cement types according to DIN EN 1971: namely, Portland cement (CEM I), Portland composite cements (CEM II), blastfurnace cement (CEM III), pozzolan cement (CEM IV) and composite cement (CEM V) These main cementGRINDING AID FOR CEMENT CLINKER BASED ON POLYCARBOXYLATE

  • Cement grinding aid compositions Nalco Chemical Company

    United States Patent Cement grinding aids have been used for many years, and it is estimated that US consumption of such chemicals is currently 3040 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 (monoethanolamine, diethanol and triethanol amines,The grinding aid of cement grinding aids is determined by orthogonal optimization By adding different inorganic reinforcing components, Developed a cement grinding aidsThe result turns out, compared with blank sample, the adulteration of grinding aid leads compression strength of 3d, 7d and 28d respectively are improved 179%, 178% and 168%´╝îcement fineness to reduce by 631% andThe Effect on the Performance of Cement Grinding AidNew patentpending 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 [] See more articles Get in touch with our experts Contact us CHRYSO Head Office 19 place de la Résistance CS 50053 92445 IssylesMoulineaux Cedex France +33(0)1 41 17 18 19Cement Additives CHRYSO

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