cement grinding aid patent

CN1346812A - Grinding aid for cement - Google Patents

A grinding aid for cement contains triethyanolamine (70-80 wt.%) and the mother liquid (20-30 wt.%) which is prepared from 13 raw material including alkylpolyglycoside, sodium humate, lignosulfonate, sodium dodecylphenylsulfonate, polyoxyethylenated alcohol, polyphosphate, etc. It can be used to increase cement output and strength, improve cement performance and decrease productive cost.

GCP Applied Technologies receives European patent on ...

The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. 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.

Home - C-ADD Mapei

Grinding Aids for Cement. Learn more. 02. MA.P.E. Performance Enhancers for Cement. Learn more. 03. Cr(VI) Reduction. Cr(VI) Reduction Technology. Learn more. 04. D-Dust. Dust Control Technology Find out. Learn more. Sustainability. Mapei's commitment is to give the highest priority to Sustainability: Environmental, Social and Economical. The ...

Basic Grinding Aid - GCPAT

rates will vary from 0.02% - 0.06% by weight of cement for Types I & II cements and from 0.04% - 0.08% by weight of cement for Type III cements. The optimum dosage rate must be determined during full scale cement mill tests. Dosing Equipment GCP grinding aids should be accurately dispensed through a

Wuhan Huaxuan High - tech Co., Ltd - Reviewing Huaxuan

In the course of the development of 12 years, Wuhan Huaxuan High-tech Co., Ltd has gained impressive achievements in the fields of new-type wall material, concrete admixtures, new type of movable manufacturing equipment of polycarboxylate superplasticizer,and cement grinding aids,etc. The company now owns twelve items of invention patents and ...

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 …

Urs Maeder Inventions, Patents and Patent Applications ...

Abstract: 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 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.

Dieter Honert Inventions, Patents and Patent Applications ...

Feb 12, 2020· 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 cement grinding aids is also disclosed.

: NEW Patent CD for Cement grinding aid : Other ...

: NEW Patent CD for Cement grinding aid : Other Products : Everything Else. Skip to main content.us. Hello Select your address All Hello, Sign in. Account & Lists Account Returns & Orders. Cart All. Best Sellers Prime Customer Service New ...

DE19654160A1 - Cement grinding aid - Google Patents

DE19654160A1 - Cement grinding aid - Google Patents Cement grinding aid Info Publication number ... 1996-02-02 Priority to GBGB9602084.7A priority Critical patent/GB9602084D0/en 1996-12-23 Application filed by Sandoz AG filed Critical Sandoz AG

AVAILABLE AND EMERGING TECHNOLOGIES FOR …

grinding to ensure a uniform surface area of the final product. (Coito et al., 2005, and others.) Figure 1 presents a diagram of the cement manufacturing process using a rotary kiln and cyclone preheater configuration. The schematic for a rotary kiln and precalciner configuration is

Cement grinding aid and set retarder - Westvaco Corporation

United States Patent 4204877 . 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 water ...

CEMENT GRINDING AID COMPOSITION - Dow Global …

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.

EP1761473B9 - Cement grinding aid - Google Patents

European Patent Office Prior art keywords aqueous composition ref cement polymer grinding Prior art date 2004-06-21 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number EP05754131.0A ...

Dalmia Bharat Cement Develops New Chemically Modified Cement

Nov 30, 2018· Dalmia Bharat Cement on Friday claimed to have developed a chemically modified and environment-friendly variant of cement for infrastructure projects. The company has already filed a patent …

DARAGRIND Mineral Grinding Aid - GCPAT

Feb 05, 2021· Mineral Grinding Aid ... DARAGRIND is one of the largest product developments by GCP Applied Technologies in the field of Grinding Additives for minerals, cement raw materials, coal, pure calcium carbonate, limestone, silica and quicklime. ... No statement, recommendation, or suggestion is intended for any use that would infringe any patent ...

Suhua MA | Professor | PhD | Nanjing Tech University ...

Patent. Full-text available. Sep 2018; Weifeng Li. Suhua Ma. Xiaodong Shen. US10077211 B2 Cement grinding aids prepared with waste antifreeze. View.

Patents for C04B 103 - Function or property of the active ...

Patents for C04B 103 - Function or property of the active ingredients (3,677) ... CN102584079B Cement grinding aid for preventing crystallization and salt particle precipitation at low temperature :

CEMENT GRINDING AID - 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 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.

DIY concrete grinding for my garage!!! - YouTube

May 09, 2018· Grinding concrete to remove raised spots, and smooth out the floor.In this video i order a few items from Amazon to smooth out my garage concrete floor, and ...

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.

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

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.

Home [grace.com]

PATENT NO. US 10940460 PROMOTION. Recent Press Release Grace Announces 2021 FCC Catalysts Pricing Actions Read more . PROMOTION. We safely and sustainably develop, and manufacture leading technologies to a wide variety of industries For more than 80 percent of our sales of catalysts and silica-based materials, we rank #1 or #2 ...

American Concrete Institute

The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certification programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.

Beat Marazzani Inventions, Patents and Patent Applications ...

Sep 29, 2017· Abstract: An adjuvant combination composed of a milling assistant and a concrete admixture for a composition including cement, for accelerating cement hydration, wherein the milling assistant includes at least one amino alcohol and at least one cement hydration accelerator selected from chlorides, thiocyanates, nitrates, nitrites and hydroxides, and the concrete admixture includes a …

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.

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 ...

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.

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 ...

Grinding Aids for Cement - 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, …

Modern cement manufacturing: Cement grinding aids

Dec 30, 2008· The patent further claims that these amines could be added as grinding aids in the cement manufacture. (iv) United States Patents 4204877, 3615785, 5125976 and French Patent 2337699 One of the major classes of grinding aids used today is the oligomers of

Weifeng LI | Professor (Associate) | PhD | Nanjing Tech ...

Patent. Full-text available. ... Grinding aids have been researched and used for decades to reduce energy consumption in the process of cement production. ... Molasses is generally used as a ...

TDA® - GCPAT

Feb 05, 2021· One of the key benefits of OPTEVA® TDA® additives is their ability to increase both the grinding efficiency and cement strengths to a degree unequalled by conventional grinding aids. Increased early and long-term compressive strengths for the production of better quality cements. Reduced cost of cement production through reduced unit grinding ...

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 …

Admixtures, Concrete & Masonry Protection | Cementaid

Jun 18, 2018· Cementaid's simple-to-use technical products enable concrete designers and users to maximise the performance, durability and profitability of their structures by giving their concrete enhanced properties and abilities. These range from specialised resistance to salts or acids, integral waterproofing and corrosion-proofing, extreme resistance ...

Cement Additives - CHRYSO

New patent-pending 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. […] 22/09/2020 Overtaking cement grinding process limitations to reach full cement activation potential.

GRINDING AID FOR CEMENT CLINKER BASED ON POLYCARBOXYLATE ...

As grinding aid in cement grinding according to the invention, an additive comprising polycarboxylate ether and/or lignosulfonate is used. In principle, the additive can consist of only the overall active substance, i.e., polycarboxylate ether and/or lignosulfonate, and then it is usually in the form of a …

GRINDING AIDS FOR STRENGTH-ENHANCED CEMENT CLINKERS ...

Jun 25, 2007· Patent: Examined Patent Application - Republic of Korea. Application: KR20070062453 on 2007-06-25. Publication: 2008-12-31. ... A composition for a cement clinker grinding aid having high function comprises at least one grinding aid selected from a group consisting of (a) ...

Patent Report: | US10077211 | Cement grinding aids ...

5. The cement grinding aid of claim 3, wherein the flocculant is one compound or more compounds selected from a group consisting of aluminum sulfate, polyaluminum sulfate and polyacrylamide. 6. The cement grinding aid of claim 3, wherein the mass ratio of the flocculant to the pretreated waste antifreeze is (0.01-0.03): 1. 7.