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芥酸酰胺丙基甜菜碱EAB-40
芥酸酰胺丙基甜菜碱EAB-40

Erucamide propyl betaine EAB-40

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产品描述
Parameters

Erucamide propyl betaine EAB-40

English name:

Erucamido propyl betaine

Product CAS NO:

61789-40-0

Scope of application:

Oil and gas field self-turning acid main agent, thickener, viscoelastic surfactant, oil displacing agent; used as thickening agent, conditioning agent, wetting agent, antibacterial agent, antistatic agent, etc.

Technical index:

specification

EAB-40

Appearance (25℃)

Light yellow transparent liquid

Solid content (%)

40±1

Sodium chloride(%)

Max.6.0

pH (1% aqueous solution)

6.0-8.0

Viscoelasticity (5% of this product is added to hot water containing 0.6% CaCL2 at 80℃)

Min.50 mPa.s

 

Performance and application:

●   EAB-40 has good compatibility with anionic, cationic, nonionic and amphoteric surfactants, mild performance, good foaming and foam stabilization; this product has good antistatic, antibacterial, biological Good degradability, very low biological toxicity; strong resistance to salt and hard water.
●   EAB-40 can be used as the main agent, thickener, viscoelastic surfactant, oil displacing agent in oil and gas fields; as a thickener, conditioning agent, wetting agent, antibacterial agent in daily chemical or other industrial fields , Antistatic agent, etc.
● The   EAB-40 hydrophobic group has a carbon number of 25, and contains double bonds, amide bonds, and other groups that enhance solubility. The critical micelle concentration (cmc) is 1.02×10-5 mol/L , and the corresponding surface tension γcmc is 29.60. mN/m, the compounding system can achieve ultra-low interfacial tension on the order of 10-4~10-3mN/m with crude oil in various reservoir conditions, and the interface performance is excellent. 

●   EAB-40 in salt solution or acid solution with different pH value, with the continuous decrease of hydrochloric acid concentration and the increase of PH value, the viscosity of the system increases rapidly, forming a viscoelastic solution or gel with different strength. This product is the current One of the ideal surfactants for cleaning fracturing fluids, self-turning acids, and viscoelastic surfactants (VES).
●   EAB-40 is used in the self-turning acid system of viscoelastic surfactants, and it has the functions of changing viscous acid, self-turning acid and slow acid. It is used in the shunt acidification of heterogeneous reservoirs. The acid system will automatically become viscous with the acid rock reaction, which has the effect of shunt acidification and will not cause secondary damage to the formation.
●   EAB-40 is used in the viscoelastic surfactant (VES) system, with easy preparation, easy construction, high viscosity, high elasticity, automatic steering, low friction, low acid loss, strong stability (salt resistance), easy There are no residues and no damage to the formation.
●   The viscoelastic system of EAB-40 has a temperature resistance of 90°C to 110°C. If mixed with other surfactants, the temperature resistance can reach 130 °C. This product is a heterogeneous multi-layered sandstone reservoir with medium and high temperature oil and gas reservoirs and medium and low permeability Reservoir-ideal viscoelastic surfactant for stimulation operation.
Packing: 50/200KG plastic drum.
Storage: Stored in airtight at room temperature, the shelf life is two years.

 

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