Water-soluble polymers for the concrete industry,

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Polycarboxylate ethers



 


What is SINTEFLOW Polycarboxylate Ethers?


 This is a family of synthesized water-soluble polymers for the concrete industry. Polycarboxylate ethers are the latest generation of water-reducing agents for the concrete production, which are copolymers of acrylic acid of various molecular weights and designs. These polymers can be used not only in Portland cement compositions, but also in compositions for air binders: lime, gypsum and others.



What is the principle of action of polycarboxylate ethers?


 The action of all polycarboxylate ethers is based on the steric repulsion of cement grains. A polycarboxylate molecule contains an anionic skeleton that carries a negative charge and is grafted chains of polyethylene oxide (ridges).

Depending on the design of the molecule, the anionic skeleton and the crests may have a different structure. But the characteristic property of the molecule is the charge density of the anionic skeleton:
- High charge density
- high adsorption
- high water reduction
- low slump retention
- Low charge density
- low adsorption
- low water reduction
- high slump retention time.

Based on this regularity, the polycarboxylate line of any manufacturers is developed according to polar principle. On the one hand, these are brands of various water-reducers, on the other hand, slump retarders. Despite the assurances of some manufacturers, the principle of action of polycarboxylate ethers does not allow combine two properties in one brand: maximum water reduction and maximum high slump retention time. To obtain averaged figures between water reduction and slump can only be mixed polar brands in various proportions.


SINTEFLOW MEGA 50 and MEGA 50N


The effective water reducers.

The SINTEFLOW MEGA 50 and SINTEFLOW MEGA 50N polycarboxylate ethers are effective water reducers. The SINTEFLOW MEGA 50N is a neutralized form of SINTEFLOW MEGA 50.

APPLICATION:
In the concrete industry:
- production of superplasticizers for light and heavy concretes;
- as a plasticizing base for the design of additives for concrete with different properties;
In the gypsum industry:
- as water reducer.

PARAMETERS:                     MEGA 50                 MEGA 50N
Clear liquids from
colorless to yellow
Density at 25 °C, g/cm3          1,1 ± 0,1                      1,1 ± 0,1
pH, 10% sol. Units                   2,0 - 4,0                      5,0 - 7,0
Mass fraction
of active substance,%              50 ± 1                          50 ± 1
Chlorine content,%                   < 0,1                            < 0,1


SINTEFLOW MEGA 52 and MEGA 52N


The effective water reducers.

The SINTEFLOW MEGA 50 and SINTEFLOW MEGA 50N polycarboxylate ethers are high range water reducers with an increased early strength development and limited slump retention time of concrete mix. The SINTEFLOW MEGA 52N is a neutralized form of SINTEFLOW MEGA 52.

APPLICATION:
In the concrete industry:
- For the production of hyperplasticizers for light and heavy concretes of the factory production cycle with standardized terms of the concrete mix TSrnover


PARAMETERS:                     MEGA 50                 MEGA 50N
Clear liquids from
colorless to yellow
Density at 25 °C, g/cm3          1,1 ± 0,1                      1,1 ± 0,1
pH, 10% sol. Units                   2,0 - 4,0                      5,0 - 7,0
Mass fraction
of active substance,%              50 ± 1                          50 ± 1
Chlorine content,%                   < 0,1                            < 0,1


SINTEFLOW DUO 2605 and DUO 2605N


Multipurpose water reducers.

The SINTEFLOW DUO 2605 and SINTEFLOW DUO 2605N polycarboxylate ethers are multi-purpose water reducers with extended slump retention time of concrete mix. The SINTEFLOW DUO 2605N is a neutralized form of SINTEFLOW DUO 2605.

APPLICATION:
In the concrete industry:
- production of superplasticizers for light and heavy concretes with extended slump retention time of concrete;
- as a plasticizing base for the design of additives for concrete with different properties;
- as an independent water reducer in the production of commodity concrete with a shelf life of concrete mix up to 2 hours;
In the gypsum industry:
- as water reducer.


PARAMETERS:                     MEGA 50                 MEGA 50N
Clear liquids from
colorless to yellow
Density at 25 °C, g/cm3          1,1 ± 0,1                      1,1 ± 0,1
pH, 10% sol. Units                   2,0 - 4,0                      5,0 - 7,0
Mass fraction
of active substance,%              50 ± 1                          50 ± 1
Chlorine content,%                   < 0,1                            < 0,1


SINTEFLOW SENSITIV 50 and SENSITIV 50N


The slump retarders of concrete

The SINTEFLOW SENSITIVE 50 and SINTEFLOW SENSITIVE 50N polycarboxylate ethers are high range slump retarders.
The SINTEFLOW SENSITIVE 50N is a neutralized form of SINTEFLOW SENSITIVE 50.

APPLICATION:
The main use of SINTEFLOW SENSITIVE 50 and SINTEFLOW SENSITIVE 50N is the production of superplasticizers with an extended shelf life of the mixTSre. As a rule, this polymer is used in a mix with high range water reducers, such as SINTEFLOW MEGA 50 or SINTEFLOW MEGA 52. The different ratios of the two ethers allow you to create superplasticizers with an adjustable shelf life of the mixTSre.


PARAMETERS:                     MEGA 50                 MEGA 50N
Clear liquids from
colorless to yellow
Density at 25 °C, g/cm3          1,1 ± 0,1                      1,1 ± 0,1
pH, 10% sol. Units                   2,0 - 4,0                      5,0 - 7,0
Mass fraction
of active substance,%              50 ± 1                          50 ± 1
Chlorine content,%                   < 0,1                            < 0,1


 


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Processing time:3 days
Port:St. Petersburg
Packaging details:IBC container

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Sintez OKA Group of Companies incorporates production facility with power plant situated in the town Dzerzhinsk Region Nizhny Novgorod, research centre and investment project development centre in Saint-Petersburg. The key business performed by the Sintez OKA Group of Companies includes production and marketing of amines. The amine market leadership has been attained due to the long-year experience of the Group’s production plants as well as development and implementation of innovative chemical production technologies in Russia.

Products of the Group of Companies are used in many branches of industry such as oil production and refining, gas processing, nitrogen and nitrogen compound production, production of household chemicals and cosmetics, pharmacy, cement and wood processing industry and others.

Sintez OKA Group of Companies is the transparent entity. The development of joint projects, business expansion and strong partnership with leading global chemical companies provide fresh opportunities for the operation of the Group of Companies.


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