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cement grinding aids patents

cement grinding aids patents

TECHNICAL FIELD. The invention relates to the field of cement grinding aids. STATE OF THE ART. The production of cement is a very complex process. Cement is known to be very sensitive toward water, irrespective of whether it is present in the liquid or gaseous state, since cement sets hydraulically, i.e. it hardens under the influence of water within a short time to give a very stable solid body.

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  • Cement grinding aid  Patent JP 5235958 B2  PubChem

    Cement grinding aid Patent JP 5235958 B2 PubChem

    Jun 21, 2004 JP-5235958-B2 chemical patent summary.

  • Grinding aids for hydraulic cement.  GRACE W R amp CO

    Grinding aids for hydraulic cement. GRACE W R amp CO

    Grinding aids for hydraulic cement. - GRACE W R & CO. Title: Grinding aids for hydraulic cement. European Patent Application EP0226379. Kind Code: A2. Abstract: Hydraulic cements such as Portland cement are interground with diesters of a polyol (e.g. alkylene glycol) with a monobasic carboxylic acid (e.g. acetic acid) to enhance the efficiency ...

  • Cement grinding aid  MBT Holding AG

    Cement grinding aid MBT Holding AG

    Jan 30, 1997 A 60% by weight aqueous solution of an SMA polymer (example 1 from French Patent Application 2 671 090) is then sprayed on to the grinding mixture at a rate of 0.15% by weight dry SMA on cement and grinding is continued for 6 hours. Within half an hour of SMA addition, the residence time of the material in the mill is reduced.

  • Cement grinding aid and set retarder  Westvaco Corporation

    Cement grinding aid and set retarder 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, 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 ...

  • Leslie A. Jardine Inventions Patents and Patent

    Leslie A. Jardine Inventions Patents and Patent

    Sep 16, 2014 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 …

  • grinding aids for high performance cements

    grinding aids for high performance cements

    Grinding aids for hydraulic cement.GRACE W R CO Title Grinding aids for hydraulic cement European Patent Application EP Kind Code A2 Abstract Hydraulic cements such as Portland cement are interground with diesters of a polyol e.g alkylene glycol with a monobasic carboxylic acid e.g acetic acid to enhance the efficiency

  • Cement grinding aids prepared with waste antifreeze

    Cement grinding aids prepared with waste antifreeze

    Sep 29, 2015 Patents US 2018/0141863 A1. Cement grinding aids prepared with waste antifreeze (22) 29.09.2015 (43) 24.05.2018 (57) It discloses cement grinding aids prepared with waste anti-freeze which comprises the following components in parts by weight: 20-75 parts of pretreated waste antifreeze, 5-40 parts of alkanolamine, 1-5 parts of acid solution, 3 ...

  • GCP Applied Technologies Receives European Patent on

    GCP Applied Technologies Receives European Patent on

    Oct 18, 2018 CAMBRIDGE, Mass. – October 18th, 2018 – GCP Applied Technologies Inc. (NYSE:GCP), a leading global provider of construction products technologies, is proud to announce the issuance of a patent for increasing the efficiency of cement grinding by using sustainable raw materials. The novel grinding aids and

  • Cement grinding aids  GCPAT

    Cement grinding aids GCPAT

    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 …

  • GCP Applied Technologies receives European patent for

    GCP Applied Technologies receives European patent for

    Oct 19, 2018 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 oil-derived chemicals.

  • patent  Cement industry news from Global Cement

    patent Cement industry news from Global Cement

    Jun 11, 2020 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 oil-derived chemicals.

  • triethanolamine cement center gringing aid

    triethanolamine cement center gringing aid

    Cement Grinding Aids Application Effect Evaluation A kind of polycarboxylic acid macromolecular compound that suitable for cement grinding was designed in the view of the molecular structure Compare the performance of this grinding aid with blank sample and triethanolamine series cement grinding aids showed that polycarboxylic acid series ...

  • CN101898878B  Cement grinding aid  Google Patents

    CN101898878B 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 and ...

  • Cement grinding aid composition  Google Patents

    Cement grinding aid composition Google Patents

    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 -...

  • US10077211B2  Cement grinding aids prepared with waste

    US10077211B2 Cement grinding aids prepared with waste

    It discloses cement grinding aids prepared with waste antifreeze which comprises the following components in parts by weight: 20-75 parts of pretreated waste antifreeze, 5-40 parts of alkanolamine, 1-5 parts of acid solution, 3-12 parts of saccharide and 15-50 parts of water. The pretreated waste antifreeze is prepared by adding an alkaline solution into waste antifreeze to regulate the pH ...

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