sitemap

Welcome to our Website

cement grinding aids patents

cement grinding aids patents

Chinese patent CN94113758.9 discloses a hydraulic cement accelerator doped with polyols, containing a well-known accelerator and low molecular weight polyols (e.g., glycerol and ethylene glycol), and such an admixture is effective for shortening the initial setting time of hydraulic cement, mortar and concrete and is also beneficial as a low-temperature accelerator; and a preferred embodiment may also include …

msg-pic Get Quick Quote

If you have any problems or questions about our products or need our support and assistance, please contact us and you will be replied within 24 hours. We promise we will never reveal your information to the third party. Thank you!

[email protected] Ship Quickly Customized Solutions Free Installation
  • US Patent for Process for making cements with silicon

    US Patent for Process for making cements with silicon

    This invention relates to grinding aids for cement clinker, and to the use of certain direct process residue gels as grinding aids for pulverizing cement clinker to cement. In particular, the grinding aids are hydrolysis products of alkylhalodisilanes and other chlorosilanes produced in alkylhalosilane manufacturing operations.

  • CEMENT GRINDING AID SIKA TECHNOLOGY AG

    CEMENT GRINDING AID SIKA TECHNOLOGY AG

    Such cement grinding aids are typically selected from the class comprising glycols such as alkylene glycols, amines or amino alcohols. For example, U.S. Pat. No. 5,084,103 describes trialkanolamines, such as triisopropanolamine (TIPA) or N,N-bis(2-hydroxyethyl)-N-(2-hydroxypropyl)amine and tris(2-hydroxybutyl)amine as grinding aids for clinkers.

  • 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 ...

  • US Patent for Method of grinding cement Patent Patent

    US Patent for Method of grinding cement Patent Patent

    Oct 16, 1995 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 about 80% of ...

  • 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 ...

  • Development history and evolution of cement grinding aids

    Development history and evolution of cement grinding aids

    Nov 23, 2018 Development history and evolution of cement grinding aids. Since the 1930s, cement grinding aids have been used in the cement industry. The earliest patents of the 1930s tested and used powdered mixtures of mineral oil, animal oil and petroleum cracking residues to improve the water resistance of cement products and improve the high early strength and processability of cement.

  • 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 …

  • Grinding Aids for Cement SlideShare

    Grinding Aids for Cement SlideShare

    Grinding Aids For Cement Prepared by: Shyam R. Anandjiwala (Construction Management) INDIAN INSTITUTE OF TECHNOLOGY DELHI 2. ... (1967):” MINERAL GRINDING AIDS AND PROCESS OF GRINDING”UNITED STATES PATENT 33125305 [8] D.W.Fuestenau(1995):”GRINDING AIDS” Kona Powder and Particle Journal [9] Joseph J. Assaad, Salim E. Asseily,Jacques Harb ...

  • Cement Grinding Aids Sanghavi Group

    Cement Grinding Aids Sanghavi Group

    Cement Grinding Aids. Principal application is to increase output (tons/hour) at constant cement fineness (cm 2 /g) Introduced at low dosage, usually. between 0.01 and 0.10% (most preferably at 0.01 – 0. 1%) Influence on cement quality is usually small (or) not the main aim of its application.

  • GCP Applied Technologies Receives European Patent on

    GCP Applied Technologies Receives European Patent on

    Oct 18, 2018 Grinding aids and quality improvers make cement manufacturing more efficient, while concrete admixtures can reduce the amount of cement needed to achieve a given strength specification.

  • A study of some dental cements Illinois IDEALS Home

    A study of some dental cements Illinois IDEALS Home

    -4-PowderConstituentsliquidConsituents. \ Principalfflodifiers-. Principal 1 7,1—Mod-3Jin-p.Sers.v, Si02 ZnO,P25 H2 A123 BeO,F2 •fcL3't04 Silicate CaO MgO,B2C3 H ...

  • CN101898878B Cement grinding aid Google Patents

    CN101898878B Cement grinding aid Google Patents

    - Google Patents The invention discloses a cement grinding aid, comprising calcium formate solution, compound glycerol distilled residue solution, triethanolamine, diols and molasses.

  • 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 ...

  • DE19654160A1 Cement grinding aid Google Patents

    DE19654160A1 Cement grinding aid Google Patents

    These copolymers are described in U.S. Patents 5,158,916 and French published patent application 2 671 090, whose Content is included here by reference.

  • Cement grinding aid composition Google Patents

    Cement grinding aid composition Google Patents

    Jun 25, 2012 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.

  • Cement grinding aid and set retarder Patent US 4204877 A

    Cement grinding aid and set retarder Patent US 4204877 A

    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 ...

  • Cement grinding aid and set retarder Westvaco Corporation

    Cement grinding aid and set retarder Westvaco Corporation

    Known grinding aids include a water-soluble glycol and a water-soluble alkali metal salt of an aliphatic acid having no more than three carbons, which composition also acts as a pack set inhibitor (U.S. Pat. No. 3,615,785).

latest news

Copyright © 2021.Henan Exodus Machinery Co., ltd. All rights reserved.

pc-kf
wap-kf
gotop