US4460720A Multicomponent concrete superplasticizer
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US4460720A Multicomponent concrete superplasticizer.

US4460720A - Multicomponent concrete superplasticizer ...

US4460720A - Multicomponent concrete superplasticizer - Google Patents Multicomponent concrete superplasticizer Download PDF Info Publication number US4460720A. US4460720A US06/349,555 US34955582A US4460720A US 4460720 A US4460720 A US 4460720A US 34955582 A US34955582 A US 34955582A US 4460720 A US4460720 A US 4460720A Authority US United States Prior art keywords cement superplasticizer ...

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Multicomponent concrete superplasticizer - Patent US ...

US-4460720-A chemical patent summary.

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US4460720A - Multicomponent concrete superplasticizer ...

US4460720A US06/349,555 US34955582A US4460720A US 4460720 A US4460720 A US 4460720A US 34955582 A US34955582 A US 34955582A US 4460720 A US4460720 A US 4460720A

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Superplasticizer pdf. US4460720A - Multicomponent concrete ...

This is because of due to less amount of water, slump value will decrease but super plasticizer tries to resist and add more increment in the value of slump. Slump value shows how workable concrete will be? Superplasticizer For Sale. If slump value will be less than this mean workability of concrete is less so handling will be bit difficult and also not possible to properly place the concrete ...

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US Patent for Multicomponent concrete superplasticizer ...

Multicomponent concrete superplasticizer Feb 17, 1982 - W. R. Grace Co. A superplasticizer cement admixture for portland cement based compositions formed from a low molecular weight alkali metal polyacrylate in combination with an alkali metal or alkaline earth metal polynaphthalene sulfonate-formaldehyde or an alkali metal lignosulfonate or an alkaline earth metal lignosulfonate or mixtures ...

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GB8304370D0 - Multicomponent concrete superplasticizer ...

multicomponent concrete superplasticizer Prior art date 1982-02-17 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.) Granted Application number GB838304370A Other versions GB2114985A (en GB2114985B (en Current Assignee (The listed assignees may be ...

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US Patent for Multicomponent concrete superplasticizer ...

Multicomponent concrete superplasticizer Feb 17, 1982 - W. R. Grace Co. A superplasticizer cement admixture for portland cement based compositions formed from a low molecular weight alkali metal polyacrylate in combination with an alkali metal or alkaline earth metal polynaphthalene sulfonate-formaldehyde or an alkali metal lignosulfonate or an alkaline earth metal lignosulfonate or mixtures ...

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Multicomponent concrete superplasticizer - W. R. Grace Co.

Multicomponent concrete superplasticizer . United States Patent 4460720 . Abstract: A superplasticizer cement admixture for portland cement based compositions formed from a low molecular weight alkali metal polyacrylate in combination with an alkali metal or alkaline earth metal polynaphthalene sulfonate-formaldehyde or an alkali metal lignosulfonate or an alkaline earth metal

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GB8304370D0 - Multicomponent concrete superplasticizer ...

multicomponent concrete superplasticizer Prior art date 1982-02-17 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.) Granted Application number GB838304370A Other versions GB2114985A (en GB2114985B (en Current Assignee (The listed assignees may be ...

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Multicomponent concrete superplasticizer - Patent CA ...

CA-1199743-A chemical patent summary.

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naphthalene superplasticizer for strength of concrete

18/02/2020  US4460720A - Multicomponent concrete superplasticizer ... US4460720A US06/349,555 US34955582A US4460720A US 4460720 A US4460720 A US 4460720A US 34955582 A US34955582 A US 34955582A US 4460720 A US4460720 A US 4460720A Authority US United States Prior art keywords cement superplasticizer percent weight composition Prior art date 1982-02-17

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SUPERPLASTICIZER COMPATIBILITY PROBLEM WITH

SUPERPLASTICIZER COMPATIBILITY PROBLEM WITH INNOVATIVE AIR-ENTRAINING MULTICOMPONENT PORTLAND CEMENT ... concrete’s frost resistance (Gebler S. and Klieger P., 1983), (Freeman E., et al. 1997 ...

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superplasticizer,polycarboxylate,concrete admixtures

superplasticizer,polycarboxylate,water reducing agent, concrete admixtures. TH511 Ultra water reduction polycarboxylate superplasticizer. THZQ50 High early strength polycarboxylate superplasticizer

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[PDF] SUPERPLASTICIZER COMPATIBILITY PROBLEM WITH ...

When increasing the degree of fluidity of previously aerated cementitious mixtures, there is a problem of maintaining their correct aeration. Most of the available superplasticizers cause a significant increase of the air content of concrete mixtures. The problem of compatibility of superplasticizer and air-entraining admixture increases in case of multicomponent Portland cement, due to ...

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Effect of sodium tripolyphosphate on adsorbing behavior of ...

15/11/2016  The multicomponent superplasticizer system consisting of copolymer and retarder is commonly employed as the main commercial product, and the practical experience shows that the presence of the retarder can significantly improve the dispersing ability of the PC system; those salts, such as sodium citrate, sodium tartrate, sodium tripolyphosphate (STPP) and so on, are usually used

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Concrete mixtures with high-workability for ballastless ...

01/10/2017  The concrete track-supporting layer and the monolithic concrete slab of ballastless track systems are made in-situ. For this reason the concrete mixtures of high workability should be used. Influence of the sand kind, the quartz microfiller fineness and quantity as well as quantity of superplasticizer on workability of fresh concrete and durability of hardened concrete is shown. The ...

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SUPERPLASTICIZER COMPATIBILITY PROBLEM WITH

SUPERPLASTICIZER COMPATIBILITY PROBLEM WITH INNOVATIVE AIR-ENTRAINING MULTICOMPONENT PORTLAND CEMENT ... concrete’s frost resistance (Gebler S. and Klieger P., 1983), (Freeman E., et al. 1997 ...

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Steel fiber-reinforced concretes with complex ...

The data presented indicate that it is expedient to use steel fiber-reinforced concrete for repairing hydraulic structures. The use of the Soviet superplasticizer S-3 and complex multicomponent additives developed on its base at the NIIZhB permit preparing and placing steel fiber-reinforced mixes by the traditional technology with the use of the existing technological equipment.

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[PDF] SUPERPLASTICIZER COMPATIBILITY PROBLEM WITH ...

When increasing the degree of fluidity of previously aerated cementitious mixtures, there is a problem of maintaining their correct aeration. Most of the available superplasticizers cause a significant increase of the air content of concrete mixtures. The problem of compatibility of superplasticizer and air-entraining admixture increases in case of multicomponent Portland cement, due to ...

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Formulation of commercial products - ScienceDirect

01/01/2016  Therefore, commercial concrete admixtures are often multicomponent products appropriately formulated to adapt to the performance needs of different users. Combining different types of superplasticizers and also other admixtures in a single formulation with reliable performance is not a trivial task. The presence of one compound can affect the performance of the others, for example, due

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Cement and Concrete Chemistry SpringerLink

The microstructure of concrete is then presented, and special emphasis is given to the role of the interfacial transition zone, and the corrosion processes in the light of cement-phase composition, mineral additions and w/c ratio. The admixtures' role in modern concrete technology is described with an emphasis on superplasticizer chemistry and its cement-paste rheological modification ...

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(PDF) Plasticizer and Superplasticizer Compatibility with ...

The addition of superplasticizer yields best performance in all 28-days strength of lightweight foamed concrete. 1.0% addition of superplasticizer produces best result with 24.5MPa of compressive ...

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Effect of sodium tripolyphosphate on adsorbing behavior of ...

15/11/2016  The multicomponent superplasticizer system consisting of copolymer and retarder is commonly employed as the main commercial product, and the practical experience shows that the presence of the retarder can significantly improve the dispersing ability of the PC system; those salts, such as sodium citrate, sodium tartrate, sodium tripolyphosphate (STPP) and so on, are usually used

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[PDF] Science And Technology Of Concrete Admixtures ...

The admixtures' role in modern concrete technology is described with an emphasis on superplasticizer chemistry and its cement-paste rheological modification mechanism. Cement with atypical properties, such as calcium aluminate, white, low energy and expansive cements are characterized. The last part of the book is devoted to special types of concrete such as self compacting and to reactive ...

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superplasticizer,polycarboxylate,concrete admixtures

superplasticizer,polycarboxylate,water reducing agent, concrete admixtures. TH511 Ultra water reduction polycarboxylate superplasticizer. THZQ50 High early strength polycarboxylate superplasticizer

Get Price

Concrete mixtures with high-workability for ballastless ...

01/10/2017  The concrete track-supporting layer and the monolithic concrete slab of ballastless track systems are made in-situ. For this reason the concrete mixtures of high workability should be used. Influence of the sand kind, the quartz microfiller fineness and quantity as well as quantity of superplasticizer on workability of fresh concrete and durability of hardened concrete is shown. The ...

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