logo
about us

About Us

We devote to producing mining equipments, sand making machines and industrial grinding mills, offering expressway, rail way and water conservancy projects the solution of making high grade sand and matched equipments.

Read More

cement grinding aids patents

  • 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
  • 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

  • Author: 蒋国平
  • 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
  • US4643362A Grinding aids for hydraulic cement Google

    US4643362A US06/803,380 US80338085A US4643362A US 4643362 A US4643362 A US 4643362A US 80338085 A US80338085 A US 80338085A US 4643362 A US4643362 A US 4643362A Authority US United States Prior art keywords grinding method acid alkylene polyol cement Prior art date 1985-12-02 Legal status (The legal status is an assumption and is not a legal conclusion.

  • Cited by: 22
  • US5429675A Grinding aid composition and cement product

    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.

  • Cited by: 25
  • US2141571A Grinding of cement clinker Google Patents

    US2141571A US49064A US4906435A US2141571A US 2141571 A US2141571 A US 2141571A US 49064 A US49064 A US 49064A US 4906435 A US4906435 A US 4906435A US 2141571 A US2141571 A US 2141571A Authority US United States Prior art keywords cement grinding mill clinker added Prior art date 1935-11-09 Legal status (The legal status is an assumption and is not a legal conclusion.

  • Cited by: 11
  • US Patent for Grinding aids for hydraulic cement Patent

    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 (e.g. alkylene glycol) with a monobasic carboxylic acid (e.g. acetic acid) to enhance the efficiency of the grinding operation.

  • CA2571484A1 Cement grinding aid Google Patents

    A cement grinding aid containing a combination of polymer A and known cement grinding aids is also disclosed. 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.

  • Cited by: 162
  • Grinding Aids for Cement LinkedIn SlideShare

    May 11, 2015· 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,

  • cement grinding aids patents hardpressed.co.za

    Cement Grinding Aids Patents . Modern cement manufacturing: Cement grinding aids. · The patent further claims that these amines could be added as grinding aids in the cement manufacture. (iv) United States Pate7, 3615785, 5125976 and French Pat9 One of the major classes of grinding aids used today is the oligomers of. Get More

  • Modern cement manufacturing: Cement grinding aids

    Dec 04, 2008· 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. Some commonly used cement grinding aids

  • Cement grinding aid patent snowschool.de

    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

  • cement grinding aids patents hardpressed.co.za

    Cement Grinding Aids Patents . Modern cement manufacturing: Cement grinding aids. · The patent further claims that these amines could be added as grinding aids in the cement manufacture. (iv) United States Pate7, 3615785, 5125976 and French Pat9 One of the major classes of grinding aids used today is the oligomers of. Get More

  • Cement Grinding Aid Buy Cement Grinding Aid Product on

    It can also be mixed with other materials to ensure the strength of the cement.This product is used in the production of grinding aids, can reduce the high price of raw materials (such as: triethanolamine) dependence, at the same time, the late strength of cement has no adverse effects.

  • 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

  • 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-aid-patent

    Patent Us6005057 Cement Grinding Aid Google Patents. The cement grinding aids are the additional materials (gas, Learn More. grinding aids for kaolin . Read More; WO/2016/184004 CEMENT GRINDING AID . A cement grinding aid prepared by using waste antifreeze. The cement grinding aid comprises the following components by weight: 20-75 parts of

  • Polyol-type Compounds as Clinker Grinding Aids: Influence

    Grinding aids (GAs) are increasingly used during cement production to reduce energy consumption and/or optimize clinker factor. This paper seeks to assess the effect of such additions on

  • CEMENT GRINDING AID COMPOSITION Free Patents Online

    Nov 26, 2015· 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.

  • US Patent for Use of comb polymers as a grinding agent for

    The present invention relates to the use of comb polymers which have a carbon backbone which bears polyether groups of the formula A *—U—(C(O))k—X-(Alk-O)n—W A wherein * indicates the binding site to the carbon backbone of the comb polymer, U stands for a chemical bond or an alkylene group with 1 to 8 C atoms, X means oxygen or a NR group, k is 0 or 1, n stands for a whole number, the

  • Cement grinding aids GCP Applied Technologies

    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.

  • GCP Applied Technologies Receives European Patent on

    Oct 18, 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 quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals.

  • Polyol-type Compounds as Clinker Grinding Aids: Influence

    Grinding aids (GAs) are increasingly used during cement production to reduce energy consumption and/or optimize clinker factor. This paper seeks to assess the effect of such additions on

  • CEMENT GRINDING AID COMPOSITION Free Patents Online

    Nov 26, 2015· 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.

  • US Patent for Use of comb polymers as a grinding agent for

    The present invention relates to the use of comb polymers which have a carbon backbone which bears polyether groups of the formula A *—U—(C(O))k—X-(Alk-O)n—W A wherein * indicates the binding site to the carbon backbone of the comb polymer, U stands for a chemical bond or an alkylene group with 1 to 8 C atoms, X means oxygen or a NR group, k is 0 or 1, n stands for a whole number, the

  • Cement grinding aids GCP Applied Technologies

    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.

  • GCP Applied Technologies Receives European Patent on

    Oct 18, 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 quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals.

  • Cement Grinding Aids Sika

    Cement Grinding Aids. Cement manufacturing is a highly technical process. Every part has a decisive impact on the product quality as well as on economical and ecological production parameters. From the origin of the necessary raw materials, the clinker burning and cooling, to the careful adjustment of the cement formulation, cement

  • What is a Grinding Aid? (with picture) wiseGEEK

    Apr 29, 2020· A grinding aid is a specialty chemical agent used to make it easier to grind and mix cement. Specifically, grinding aids prevent cement particles from re-agglomeration, or re-adhering, during and after the grinding process. Grinding aids make it possible to streamline the cement-making process by increasing process efficiency and material fluidity.

  • Cement grinding aid patent Pflege-Kompetenzteam

    Cement grinding aids producer. Cement grinding aids producer otpure grinding aids, the use of which is growing analysis of cement superplasticizers and grinding aids a 2008-12-12 grinding aids are common cement additives, and can consist of several different types of compounds such. View All; Cement grinding in cemex spain

  • Cement Grinding Aids History campusmaurobergamasco.it

    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 R&D efforts on the

  • GCP Applied Technologies receives European patent for

    Grinding aids and quality improvers make cement manufacturing more efficient, while concrete admixtures can reduce the amount of cement needed to achieve a

  • Masonry Grinding Aids Sika

    Sika Corporation. 201 Polito Avenue Lyndhurst New Jersey 07071 United States of America phone +1 (201) 933-8800 fax +1 (201) 804 1076

  • Cement grinding aids additives MasterCem

    MasterCem cement additives amplify grinding efficiency, resulting in a higher mill throughput and lower the clinker factor, with an overall reduction in CO2 emissions. Our performance enhancers modify and elevate cement’s properties, improving its strength, workability and flow and ultimately upgrading cement’s usability and durability

  • cement grinding aids YouTube

    Nov 29, 2019· Cement Grinding aids,increase the early and 28days strength and increase the output,save $ !! cementadditive.cn.

  • Cement grinding aid and set retarder Free Patents Online

    May 27, 1980· Cement grinding aid and set retarder . United States Patent 4204877 . Abstract: It is common practice in the cement industry to employ grinding aids which increase the efficiency of the grinding operation thereby lowering the power required to grind a unit of cement and which decrease the plant investment either by increasing the through