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  • Lignosulfonate as plasticizer for cement: the effect of type dosage

Lignosulfonate as plasticizer for cement: the effect of type dosage

  • lignosulfonate as plasticizer for cement researchgate

    Lignosulfonate as plasticizer for cement ResearchGate

    Request PDF on ResearchGate Lignosulfonate as plasticizer for cement: the effect of type, dosage, time of addition and clinker mineralogy Lignosulfonate plasticizers are sustainable bio

  • plasticizer wikipedia

    Plasticizer Wikipedia

    Plasticizers are also often used when pozzolanic ash is added to concrete to improve strength. This method of mix proportioning is especially popular when producing high-strength concrete and fiber-reinforced concrete. Adding 1-2% plasticizer per unit weight of cement is usually sufficient.

  • quality lignosulfonate for  the masterbuilder

    Quality Lignosulfonate for The Masterbuilder

    Quality Lignosulfonate for Introduction Cement is a much agglomerated powder that has to be dispersed to be fully utilised when making concrete. Lignosulfonate is a group of dispersing aids used in making concrete. It disperses the cement in the mixing water of the concrete and increases the utilisation of the cement. The

  • lignosulfonates wikipedia

    Lignosulfonates Wikipedia

    Lignosulfonate have very broad ranges of molecular mass (they are very polydisperse).A range of from 1000–140,000 da has been reported for softwood lignosulfonates with lower values reported for hardwoods.. Preparation. Lignosulfonates are recovered from the spent pulping liquids (red or brown liquor) from sulfite pulping.

  • adsorption of plasticizers influence of plasticizer

    Adsorption of plasticizers Influence of plasticizer

    condensate, lignosulfonate and polyacrylate was measured by UV spectroscopy and Total Organic Carbon (TOC) on five different cement slurries. The rheological properties of the slurries were measured by a parallel plate rheometer as a function of plasticizer and cement type, time and plasticizer dosage. INTRODUCTION

  • on the effect of calcium lignosulfonate sciencedirect

    On the effect of calcium lignosulfonate ScienceDirect

    The effect of softwood calcium lignosulfonate, LSs, on the rheology and setting time of cement paste has been investigated. Two Portland cements with different surface area and C 3 A content were used. The lignosulfonate was added either immediately with the

  • influence of lignosulfonate on the early researchgate

    Influence of lignosulfonate on the early ResearchGate

    Request PDF on ResearchGate Influence of lignosulfonate on the early age rheology and hydration characteristics of cement pastes Four different cements made from gypsum mixed with clinkers

  • sodium lignosulfonate for sale kingsun chemicals

    Sodium Lignosulfonate For Sale Kingsun Chemicals

    The sodium lignosulfonate (lignosulfonic acid sodium salt) is a anionic surfactant made by wood pulp, with medium molecular weight and low sugar content. As the first generation concrete admixture, Kingsun sodium lignosulphonate has features of low ash, low gas content and strong adaptability for cement.

  • use of water reducers, retarders, and plasticizer

    Use of Water Reducers, Retarders, and plasticizer

    Dosage needed for a concrete mixture is unique and determined by the Marsh Cone Test. There are four types of plasticizers: sulfonated melamine, sulfonated naphthalene, modified lignosulfonates and a combination of high dosages of water reducing and accelerating admixtures.

  • effect of high dosage lignosulphonate and deepdyve

    Effect of high dosage lignosulphonate and DeepDyve

    Sep 01, 2016· Read "Effect of high dosage lignosulphonate and naphthalene sulphonate based plasticizer usage on micro concrete properties, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of

  • a contractor’s guide to plasticizers nrcs

    A Contractor’s Guide to plasticizers NRCS

    A Contractor’s Guide to plasticizers BY TIMOTHY S. FISHER Various brands affect set time and slump loss differently Superplasticized concrete pumps easily and arr i v e s workable. For maximum effectiveness, however, plasticizers must be added to the mix at the right time. THE USE OF A TYPE G ADMIXTURE MAY REQUIRE A FINISHING

  • magnesium lignosulfonate green agrochem

    Magnesium Lignosulfonate GREEN AGROCHEM

    The recommended dosage is 0.2-0.3% based on the cement. Note2.Magnesium Lignosulfonate can be directly used in concrete as a common water reducing agent. It can also be used together with high efficient water reducing agents such as naphthalene series and melamine series water reducing agent.

  • lignosulfonate/sodium lignosulphonate  plasticizer

    Lignosulfonate/sodium Lignosulphonate Plasticizer

    LIGNOSULFONATE/SODIUM LIGNOSULPHONATE CONCRETE PLASTICIZER . Sodium Lignosulphonate ( lignosulfonate ) water reducer are mainly for concrete mixture as water-reducing additive. Low dosage,low air content,water reducing rate is high ,adapt to most kind of cement.

  • influence of cement and plasticizers type and dosage

    Influence of cement and plasticizers type and dosage

    Influence of cement and plasticizers type and dosage on the fluidity of cement mortars—Part I. with respect to water to cement ratio at different dosage of lignosulfonate SP, P40. For OPC. Download full-size image; Fig. 3. Flow area (a), fresh density (b) and air content (c) with respect to water to cement ratio at different dosage

  • mg calcium lignosulfonate as concrete plasticizer/mortar

    MG calcium lignosulfonate as concrete plasticizer/mortar

    Mg Calcium Lignosulfonate As Plasticizer/mortar Admixture(mg-1 Series),Find Complete Details about Mg Calcium Lignosulfonate As Plasticizer/mortar Admixture(mg-1 Series),Calcium Lignosulfonate, Plasticizer,Mortar Admixture from Rubber Auxiliary Agents Supplier or Manufacturer-Hubei Aging Chemical Co., Ltd.

  • how super are plasticizers?|  construction

    How Super Are plasticizers?| Construction

    Although the lignosulfonate-based plasticizer retards the setting time about an hour when used with certain cement types, plasticizers generally do not affect the setting time. At the most, they may retard initial set about 15 minutes. Finishing problems, however, can occur.

  • effect of calcium lignosulfonate on properties of concrete

    Effect of calcium lignosulfonate on properties of concrete

    "The objective of this investigation was to determine the effects of calcium lignosulfonate on the physical properties of concrete. Calcium lignosulfonate used as an admixture was tested for its effect on the tensile and compressive strength of plain concrete cylinders, and for its effect on the flexural strength of plain concrete beams. The effect of the admixture on shrinkage, slump, air

  • lignosulfonates wikipedia

    Lignosulfonates Wikipedia

    The single largest use for lignosulfonates is as plasticizers in making concrete, where they allow concrete to be made with less water (giving stronger concrete) while maintaining the ability of the concrete to flow. Lignosulfonates are also used during the production of cement, where they act as grinding aids in the cement mill and as a rawmix

  •  plasticizer for sale kingsun chemicals

    plasticizer For Sale Kingsun Chemicals

    This kind of plasticizer is developed after the general water reducing agent represented by sodium lignosulfonate and naphthalene plasticizer. It has features of low dosage, high water reduction, small shrinkage, which can greatly improve the strength of concrete. Besides, more slag or fly ash can be used instead of cement to reduce

  •  additives chemicals  admixture

    Additives Chemicals Admixture

    additives or admixtures are chemicals in the form of powder or fluids that are added to the concrete to give it certain characteristics which is not obtainable with plain concrete mixes. In normal use, admixture dosages are less than 5% by mass of cement and are added to the concrete at the time of batching/mixing.

  • effects of lignosulfonate and temperature on compressive

    Effects of Lignosulfonate and Temperature on Compressive

    In this experiment, API Class G type HSR cement was determined as the basic cement. The specific gravity of cement was 3.14 (26.16 ppg). Lignosulfonate with Q Broxin type which was in form of powder was chosen as the retarder. Distillated water which was free from CO2 was used to dissolve the cement

  • international journal of scientific & engineering research

    International Journal of Scientific & Engineering Research

    R2002 is a highly effective super plasticizer with a set retard-ing effect for producing free flowing concrete in hot climates. It is also a substantial water reducing agent for promoting high early and ultimate strengths. It complies with ASTM C-494 Type G and B.S. 5075 Part 3.

  • (pdf) effect of lignosulfonate plasticizers on the

    (PDF) Effect of Lignosulfonate Plasticizers on the

    The effect of softwood based calcium- and sodium lignosulfonates on the early hydration of pastes of cubic and orthorhombic C3A with gypsum was investigated using isothermal calorimetry, XRD analysis and thermogravimetry. For XRD paste hydration was

  • preparation of concrete plasticizer by oxidation

    Preparation of concrete plasticizer by oxidation

    Preparation of plasticizer by Oxidation-Sulfomethylation of Sodium Lignosulfonate. Guang Yu, Bin Li, Haisong Wang,* Chao Liu, and Xindong Mu* Modification of sodium lignosulfonate (SLS) via combined oxidation-sulfomethylation was employed to prepare concrete plasticizer.

  • (pdf) effect of lignosulfonate plasticizers on the

    (PDF) Effect of Lignosulfonate Plasticizers on the

    The effect of softwood based calcium- and sodium lignosulfonates on the early hydration of pastes of cubic and orthorhombic C3A with gypsum was investigated using isothermal calorimetry, XRD analysis and thermogravimetry. For XRD paste hydration was

  • effects of lignosulfonate and temperature on compressive

    Effects of Lignosulfonate and Temperature on Compressive

    In this experiment, API Class G type HSR cement was determined as the basic cement. The specific gravity of cement was 3.14 (26.16 ppg). Lignosulfonate with Q Broxin type which was in form of powder was chosen as the retarder. Distillated water which was free from CO2 was used to dissolve the cement

  • the secondary effects of lignosulfonate cement retarder on

    The secondary effects of lignosulfonate cement retarder on

    THE SECONDARY EFFECTS OF LIGNOSULFONATE CEMENT RETARDER ON CEMENT SLURRY PROPERTIES Joel Ogbonna F. Department of Petroleum and Gas Engineering, Faculty of Engineering, University of Port Harcourt, Nigeria cement is composed largely of four types of minerals: alite, belite, aluminate (C3A) and a ferrite phase (C4AF). Cement hydration

  • effect of calcium lignosulfonate on properties of concrete

    Effect of calcium lignosulfonate on properties of concrete

    "The objective of this investigation was to determine the effects of calcium lignosulfonate on the physical properties of concrete. Calcium lignosulfonate used as an admixture was tested for its effect on the tensile and compressive strength of plain concrete cylinders, and for its effect on the flexural strength of plain concrete beams. The effect of the admixture on shrinkage, slump, air

  • the interaction between calcium lignosulfonate and cement

    The interaction between calcium lignosulfonate and cement

    In addition, incompatibility issues can exist between plasticizer and cement, possibly leading to higher LSs dosage needed to reach a given workability, severe setting retardation, rapid set, and sudden slump loss. In this PhD thesis, a sugar-reduced softwood calcium lignosulfonate (LSs) was used as plasticizer.

  •  plasticizer for sale kingsun chemicals

    plasticizer For Sale Kingsun Chemicals

    This kind of plasticizer is developed after the general water reducing agent represented by sodium lignosulfonate and naphthalene plasticizer. It has features of low dosage, high water reduction, small shrinkage, which can greatly improve the strength of concrete. Besides, more slag or fly ash can be used instead of cement to reduce

  • sodium lignosulfonate for sale kingsun chemicals

    Sodium Lignosulfonate For Sale Kingsun Chemicals

    The sodium lignosulfonate (lignosulfonic acid sodium salt) is a anionic surfactant made by wood pulp, with medium molecular weight and low sugar content. As the first generation concrete admixture, Kingsun sodium lignosulphonate has features of low ash, low gas content and strong adaptability for cement.

  • concrete water reducer calcium lignosulfonate powder

    concrete water reducer calcium lignosulfonate powder

    ASTM C494 Type A Water Reducer Calcium. ASTM C494 Type A Water Reducer Calcium Lignosulfonate MG Powder CF YUANSHENG CHEMICAL Products Made In China, China Manufacturer. Product Description: Calcium Lignosulfonate(Calcium Lignosulphonate) is an amorphous yellow powder extracted from sulfite pulping of wood.

  • cement plasticizer compatibility

    Cement plasticizer Compatibility

    S. Chandra, Bjornstrom, Influence of Cement and plasticizer type and dosage on the fluidity of cement mortars, Cem Concr Res 32 (2002) 1613 1619. M. Collepardi, Admixtures used to enhance placing characteristics of concrete, Cem Concr Compose 20 (1998) 103-112.

  • the effect of lignosulfonates on concretes produced with

    The effect of lignosulfonates on concretes produced with

    Jan 30, 2017· Read "The effect of lignosulfonates on concretes produced with cements of variable fineness and calcium aluminate content, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at

  •  admixture water reducing plasticizer / retarder

    Admixture Water Reducing Plasticizer / Retarder

    Water Reducing Plasticizer / Retarder for Calcium / Sodium Lignosulfonate . Product Description. Calcium / Sodium lignosulfonate is a special formulated water reducer admixture based on selected lignosulfonates, which provides a cost effective solution in enhancing the water reduction.

  • sodium lignosulfonate used as plasticizer set retarder

    Sodium Lignosulfonate Used as Plasticizer Set Retarder

    China Sodium Lignosulfonate Used as Plasticizer Set Retarder for Admixture, Find details about China Admixture, Sodium Lignosulfonate from Sodium Lignosulfonate Used as Plasticizer Set Retarder for Admixture Shandong Jufu Chemical Technology Co., Ltd.

  • ligniox lignins high performance concrete plasticizers

    LigniOx lignins High performance concrete plasticizers

    concrete than with lignosulfonate admixture Comparable plasticizing at higher dosage to polyacrylamide based (PCE) plasticizer Equal compression strength with commercial plasticizers in matured concrete 0 50 100 150 200 250 300 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (mm) Plastizicer dosage (% on cement) LigniOx solutions Lignosulfonate Super

  • 6 ways to use cement additives wikihow

    6 Ways to Use Cement Additives wikiHow

    Mar 29, 2019· How to Use Cement Additives. Cement is a man made mineral based powder which goes through a chemical change or reaction when mixed with water. First it becomes like an adhesive paste, and eventually hardens, but it has virtually no uses on...

  • ligniox lignins high performance concrete plasticizers

    LigniOx lignins High performance concrete plasticizers

    concrete than with lignosulfonate admixture Comparable plasticizing at higher dosage to polyacrylamide based (PCE) plasticizer Equal compression strength with commercial plasticizers in matured concrete 0 50 100 150 200 250 300 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 (mm) Plastizicer dosage (% on cement) LigniOx solutions Lignosulfonate Super

  • types of admixtures of  & cement chemical, mineral

    Types of Admixtures of & Cement Chemical, Mineral

    A material other than water, aggregates, or cement that is used as an ingredient of concrete or mortar to control setting and early hardening, workability, or to provide additional cementing properties. Admixtures are generally used to alter the properties of concrete (such as increased workability or reduced water content, acceleration or retardation of setting time,

  • influence of plasticizer on strength of

    Influence of plasticizer on Strength of

    EXPERIMENTAL PROGRAM B 2 This study will focus on normal strength concrete with characteristic strength of 30 N/mm2 at 28 days, which used P P Fig. 1 Effect of SP dosage on slump loss Ordinary Portland Cement (OPC) as binder, 20 mm granite coarse aggregate and sea sand.

  • admixtures for  civil engineering

    Admixtures for Civil Engineering

    Admixtures for Fig. 6-1. Liquid admixtures, from left to right: antiwashout admixture, shrinkage reducer, water reducer, foaming agent, corrosion inhibitor, and air-entraining admixture. (69795) Despite these considerations, it should be borne in mind that no admixture of any type or amount can be

  • cbd-203. plasticizers in  nrc-irc

    CBD-203. plasticizers in NRC-IRC

    CBD-203. plasticizers in . Effect of plasticizers on the flowability of cement paste (water:cement ratio = 0.3). (a) No plasticizer. The slump increase in flowing concrete depends on the type, dosage and time of addition of the plasticizer, on water:cement ratio, nature and amount of cement and aggregate, temperature

  • comparison and optimization of dosage of

    COMPARISON AND OPTIMIZATION OF DOSAGE OF

    plasticizers may show higher fluidizing effect on some type of cement than other cement. There is nothing wrong with either the Super plasticizer or that of cement. The fact is that they are just not compatible to show maximum fluidizing effect. Optimum fluidizing effect at lowest dosage is an economical consideration. Giving

  • lignosulfonate-based  admixtures market 2019

    Lignosulfonate-based Admixtures Market 2019

    Apr 15, 2019· Lignosulfonate-based Admixtures Market 2019 Report covers an Analytical View With complete information of Product types, Salesand

  •  plasticizers market by type, application

    plasticizers Market by Type, Application

    [177 Pages] plasticizers Market research report categorizes the global market by Application (Ready-Mix, Precast, Shotcrete, High Performance, Self-Compacting), Type (SNF, SMF, MLF, PD), and Region.

  • polyacrylamide plasticizers|  construction

    Polyacrylamide plasticizers| Construction

    Some 20 years ago, a new type of plasticizer based on polyacrylamide polymers (PCE) was commercially introduced to the North American concrete construction industry. Just as the application of naphthalene-based admixtures starting in the 1970s enabled significant improvements in the numerous

  • the effect of lignosulfonates on concretes produced with

    The effect of lignosulfonates on concretes produced with

    Jan 30, 2017· Read "The effect of lignosulfonates on concretes produced with cements of variable fineness and calcium aluminate content, Construction and Building Materials" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at

  • seven must-use  admixtures (additives)

    Seven Must-Use Admixtures (Additives)

    Set retarding concrete admixtures are used to delay the chemical reaction that takes place when the concrete starts the setting process. These types of concrete admixtures are commonly used to reduce the effect of high temperatures that could produce a faster initial setting of concrete.

  • adsorption of plasticizers influence of plasticizer

    Adsorption of plasticizers Influence of plasticizer

    CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Adsorption of the plasticizing agents sulfonated naphthalene formaldehyde condensate, lignosulfonate and polyacrylate was measured by UV spectroscopy and Total Organic Carbon (TOC) on five different cement slurries. The rheological properties of the slurries were measured by a parallel plate rheometer as a function of

  • international journal of mechanical and production

    International Journal of Mechanical And Production

    Plasticizers were selected from same producer (Chryso). Different types of plasticizers differing in effects on fresh concrete characteristics were selected. ChrysoPlast 460 is plasticizer based on lignosulfonate and on the other hand ChrysoFluid Optima 224 is a modern type of polyacrylamide based superplasticize.

  • cement slurry retarders petrowiki

    Cement slurry retarders PetroWiki

    Types of retarders Lignosulfonates. Of the chemical compounds that have been identified as retarders, lignosulfonates are the most widely used. A lignosulfonate is a metallic sulfonate salt derived from the lignin recovered from processing wood waste. The common lignosulfonates are calcium and sodium lignosulfonate.