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US5478391A - Cementitious materials and method of

US5478391A - Cementitious materials and method of

The modifier is selected from a group comprising (a) a melamine formaldehyde-sodium bisulfite copolymer, and (b) sodium naphthalene sulfonate. The portland cement clinker and the modifier are

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Sulfonated Melamine Formaldehyde - High Strength

Sulfonated Melamine Formaldehyde - High Strength

SMF which is abbreviate of Sulfonated Melamine Formaldehyde it is a melamine-based product which is used for the purpose of water reducing agent in the concrete admixtures. Using this chemical increases the workability and the strength of concrete mixtures. In normal kind of concrete, it saves approximately saves 40 % of cement consumption it can only be achieved through the use of SMF

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C04B 103 - Function or property of the active ingredients

C04B 103 - Function or property of the active ingredients

CN102584079B Cement grinding aid for preventing crystallization and salt particle precipitation at low temperature : 08/21/2013: CN102276180B Modified melamine water reducer and preparation method

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Influence of a Superplasticizer on Cement Grinding and

Influence of a Superplasticizer on Cement Grinding and

formaldehyde sulfonate or melamine formaldehyde condensate sulfonate) [5, 6]. These additives are cheaper, but less effective [6-9] than the new generation superplasticizers on the basis of modified polycarboxylate. For the production of dry building mixes Portland cement, aggregates, fillers and chemical additives are mixed

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Lignin Applications Brief Overview

Lignin Applications Brief Overview

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(PDF) Novel pyrolysis-gas chromatography/mass

(PDF) Novel pyrolysis-gas chromatography/mass

This technique has been found to be readily applicable for phenol-based cement grinding aids and naphthalene sulfonate formaldehyde condensate (NSFC)-based concrete admixtures

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Synthesis, working mechanism and effectiveness of a

Synthesis, working mechanism and effectiveness of a

The third one is a conventional type of Melment (M), Its chemical structure is melamine formaldehyde sulfonate material, supplied by Chemicals Modern Building (CMB) as a white solid material

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Utilization and performance evaluation of molasses as a

Utilization and performance evaluation of molasses as a

May 20, 2020 The most popular plasticizers include lignosulfonate, naphthalene sulfonate formaldehyde condensate (NSFC), sulfonated melamine formaldehyde, and polycarboxylate ether (PCE)-type superplasticizers . The frequently used retarders are lignosulfonate, carbohydrates (e.g., sucrose, glucose, and gluconate, etc.), citric acid, tartaric acids, the

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Cement additives - ScienceDirect

Cement additives - ScienceDirect

Jan 01, 2015 A cement slurryadditive consisting of methyl cellulose, melamine-formaldehyde resin, and trioxane has been proposed for better bonding of cement to the casing string . Bisphenol-A epoxide resins, with amine based curing agents, sand filler, and a mixture of n -butanol and dimethyl benzene as a diluent, have been proposed as additives to

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US Patent for Gluconate broth for cement and concrete

US Patent for Gluconate broth for cement and concrete

Nov 18, 2004 The composition of claim 14 wherein said component (B) is a conventional cement additive selected from the group consisting of molasses, a sulfonate, a melamine sulfonate formaldehyde condensate, a naphthalene sulfonate formaldehyde condensate, calcium chloride, sodium chloride, an amine, a protein, an alkanolamine, tall oil fatty acid, fatty

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US Patent for Hydrophobic, cationic polymers for treating

US Patent for Hydrophobic, cationic polymers for treating

The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic copolymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described

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Micro-granulose particulates - W. R. Grace & Co.-Conn

Micro-granulose particulates - W. R. Grace & Co.-Conn

Attempts have also been made to dispense certain admixtures in powdered or compacted dry form. U.S. Pat. No. 4,284,433 of Aignesberger et al. disclosed solid pelletized additives composed of a naphthalenesulphonic acid derivative-formaldehyde condensate, a resin based on an amino-s-triazine with at least two NH 2 groups and modified with

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Gypsum set accelerator and method of preparing same

Gypsum set accelerator and method of preparing same

Oct 25, 2018 (22) 12.03.2018 (43) 25.10.2018 (57) A modified gypsum set accelerator and a method of preparing the same is provided, which includes dry loose finely ground particles of a mixture of ground dry calcium sulfate dihydrate and a grinding aid selected from one or more of beta-naphthalene sulfonate formaldehyde condensate, trimetaphosphate phosphate salt, tripolyphosphate salt, tetra

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Cement Admixture - Vista Foamcon Manufacturer from

Cement Admixture - Vista Foamcon Manufacturer from

For attaining the total customer satisfaction, we are into offering pure Vista Melamine to the customers. Vista melamine L-40 is an aqueous solution of poly melamine formaldehyde sulfonate manufactured by polymerisation of melamine (s-Triamino Triazine) and formaldehyde and sulfonation of the condensation product

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Calcium Sulfate (e.g., Gypsum, Anhydrite, Plaster Of Paris

Calcium Sulfate (e.g., Gypsum, Anhydrite, Plaster Of Paris

Abstract: A panel is provided that includes stucco, water and a dispersant component having dispersing properties and comprising a comb-branched polymer with polyether side chains, naphthalene sulfonate-formaldehyde condensate or melamine sulfonate-formaldehyde condensate. A polycondensation component is also included in the slurry that

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CPC Scheme - C04B LIME, MAGNESIA; SLAG; CEMENTS

CPC Scheme - C04B LIME, MAGNESIA; SLAG; CEMENTS

Active ingredients which react with cement compounds for forming new or modified mineralogical phases and are added before the hardening process, as well as cements added as additives to other cements, are classified in groups C04B 7/00 - C04B 12/00, e.g. in group C04B 7/42

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