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cement grinding aid patent

cement grinding aid patent

  • 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.

  • Cited by: 3
  • US6005057A - Cement grinding aid - Google Patents

    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.

  • Cited by: 14
  • WO2005123621A1 - Cement grinding aid - Google Patents

    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.

  • Cited by: 156
  • 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. 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 ...

  • Author: 蒋国平
  • CN106746845A - Production technology of cement

    The invention discloses a production technology of a cement grinding aid. The key points of the technical scheme are as follows: the production technology comprises the following preparation steps: 1, vacuumizing a reaction kettle in advance, absorbing diethanol amine and water under the condition of negative pressure, and starting a circulating pump to enable a material to circulate; 2 ...

  • Author: 邓勇林
  • CEMENT GRINDING AID COMPOSITION - Free Patents Online

    2015-11-26  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. 3. The ...

  • Grinding - Cement industry news from Global Cement

    2019-09-04  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. GCP products can help to reduce the carbon footprint of cement and concrete. Grinding aids and quality improvers make cement manufacturing more efficient, while concrete

  • Cement grinding aid - MBT Holding AG - Free Patents

    1999-12-21  Cement grinding aid . United States Patent 6005057 . Abstract: 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

  • CEMENT GRINDING AID - Free Patents Online

    2009-09-10  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 grinding aids is also disclosed.

  • Modern cement manufacturing: Cement grinding aids

    2008-12-04  CEMENT GRINDING AIDS. Dr J D Bapat. The cement grinding aids are the additional materials (gas, liquid or solid), admixed in small amounts during the cement grinding process (cement manufacture), which can significantly improve the grinding efficiency, reduce energy consumption, without compromising the performance of the cement.

  • Cement grinding aid patent - ontwerpbureau-amsterdam.nl

    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 effective grinding aids

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

    Toward this end, it is customary to add during the grinding operation chemicals known as "grinding aids" without having adverse effects on the properties of the ground product. Many chemicals and chemical mixtures have been suggested for use as grinding aids for hydraulic cements such as Portland cement. Examples of such chemicals which have ...

  • The Effect on the Performance of Cement Grinding Aid ...

    The Effect on the Performance of Cement Grinding Aid Components GUO Yan-mei1,a, ... cement grinding aid has become one of the mainstream of the cement industry. Composite cement grinding aid is by a variety of single component and grinding aid distribution, and the interaction of different monomer component, to make composite grinding agent has good grinding effect, good stability,

  • Additives - Cement industry news from Global Cement

    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. GCP products can help to reduce the carbon footprint of cement and concrete. Grinding aids and quality improvers make cement manufacturing more efficient, while concrete admixtures can ...

  • Grinding - Cement industry news from Global Cement

    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. GCP products can help to reduce the carbon footprint of cement and concrete. Grinding aids and quality improvers make cement manufacturing more efficient, while concrete admixtures can ...

  • Cement grinding aid compositions - Nalco Chemical

    1989-05-09  a. Glycols have been used for years as cement grinding aids, alone or with other additives. b. U.S. Pat. No. 3,420,686 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 effective grinding aids. Specifically ...

  • 作者:Jaime Valle从属关系: Nalco Holding Company
  • GCP Applied Technologies receives European patent for ...

    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

  • SINTEF Building and Infrastructure Christian J. Engelsen

    Grinding aids are mostly organic compounds that are added to the clinker in the cement mill. Their main purposes are to reduce the energy required to grind the clinker into a given fineness and therefore increase the efficiency of the cement mill. Grinding aids have been used for more

  • CEMENT GRINDING AID - Free Patents Online

    2009-09-10  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 grinding aids is also disclosed.

  • Cement Grinding Aid, Cement Grinding Aid Suppliers

    Alibaba offers 375 cement grinding aid products. About 34% of these are surfactants, 31% are textile auxiliary agents, and 23% are leather auxiliary agents. A wide variety of cement grinding aid options are available to you, such as free samples.

  • GRINDING AID FOR CEMENT CLINKER BASED ON

    2015-10-08  The invention relates to the use of an additive as grinding aid in the production of cement, to a method for producing cement using the grinding aid as well as to a cement obtained therefrom. TECHNICAL FIELD. Cement is an inorganic, finely milled hydraulically acting binder for mortar and concrete. When water is added, the cement paste which ...

  • Grinding Aids for Cement - SlideShare

    2015-05-11  • Combinations of grinding aids can be used to improve grinding aids of cement at all ages. • When TIPA is added individually it does not make significant difference in strength at 28 days. • 1 day strength of mixture of TEA and TIPA fall between neat TIPA and neat TEA. • Combination of TIPA and TEA used in the proportion 3:1 or 1:3 ...

  • Low Cost Grinding Aids for Cement

    Low Cost Grinding Aids for Cement Due to the current economic crisis and the situation in progress in the construction industry, Spanish cement producers have been obliged to take several measures in order to notably reduce costs. In light of this situation, Proquicesa decided to focus its RD efforts on the development of an innovative family of grinding aids, adapted to the new requirements ...

  • Grinding aids for high performance cements

    Whatever is the additive used (pure grinding aids, specifically designed to increase production and fineness, or performance enhancers with effect on cement hydration), the choice of the most appropriate relies on a detailed investigation that should consider all the characteristics of the cement. Grinding aids for high performance cements

  • Analysis of Cement Superplasticizers and Grinding Aids A ...

    Grinding aids are common cement additives, and can consist of several different types of compounds such as alkanolamines, glycols or phenolic compounds. These are used to increase the throughput of cement clinker in the grinding mill. Generally, the concentration range of grinding aids added is from 50 to 500 ppm. After the grinding

  • Cement Clinker Grinding Aids

    The use of a good Cement clinker grinding aid can be vital in today’s increasing material demands. Along with the obligation to process increasingly larger quantities of ores containing finely disseminated minerals, our limited energy resources and the rising costs of energy present a challenge to the process engineer. One research route that has been explored for about half a century is the ...

  • Dieter Honert Inventions, Patents and Patent Applications ...

    2012-12-06  Abstract: 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 grinding aids is also disclosed.

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