Anionic Surfactant

surfactant sles 70

Surfactants, short for surface-active agents, are compounds that lower the surface tension between two liquids or between a liquid and a solid.


Overview of surfactant sles 70

Surfactants, short for surface-active agents, are compounds that lower the surface tension between two liquids or between a liquid and a solid. They play a crucial role in various industries due to their unique ability to interact with interfaces, enhancing emulsification, dispersion, wetting, foaming, and detergency properties. 

Surfactants typically have an amphiphilic nature, meaning they consist of both hydrophilic (water-loving) and hydrophobic (water-repellent) parts. This dual nature enables them to orient themselves at the interface between water and other substances, reducing the interfacial tension. The hydrophilic part is usually polar and often contains oxygen, nitrogen, or sulfur atoms, while the hydrophobic part is typically a long hydrocarbon chain.

Functions of surfactant sles 70

  1. Emulsification: By reducing the interfacial tension, surfactants facilitate the formation and stabilization of emulsions, where one liquid is dispersed in another immiscible liquid.
  2. Detergency: They help remove dirt and oils from surfaces by lowering the surface tension of water, allowing it to penetrate better into fabrics or surfaces, and by solubilizing greasy substances.
  3. Wetting: Surfactants speed up the wetting process by reducing the contact angle between a liquid and a solid, enhancing spreading.
  4. Foaming and Anti-Foaming: Depending on the type, surfactants can either stabilize foam (as in shampoo and soap) or break it down (in industrial processes where foam is undesirable).
  5. Dispersing Agent: They keep particles suspended in a liquid medium, preventing aggregation and settling.

Applications of surfactant sles 70

  • Household and Industrial Cleaning Products: Detergents, soaps, and cleaning agents all rely on surfactants to remove dirt and grease.
  • Personal Care and Cosmetics: Shampoos, conditioners, toothpaste, and skincare products use surfactants for cleansing, foaming, and emulsifying.
  • Textile and Leather Processing: In textile manufacturing, surfactants assist in dyeing, finishing, and fabric softening.
  • Agriculture: As adjuvants in pesticides and herbicides, surfactants improve the spreading and sticking of these chemicals to plant surfaces.
  • Food Industry: Used as emulsifiers in foods like mayonnaise, ice cream, and salad dressings to stabilize mixtures.
  • Oil Recovery and Environmental Remediation: Surfactants can enhance oil recovery in petroleum extraction and aid in the cleanup of oil spills.


(surfactant sles 70)

Parameters of surfactant sles 70

Surfactants, specifically SLES (Sodium Lauryl Ether Sulfate), are a common ingredient in many personal care products such as soaps, shampoos, and body washes due to their excellent cleaning properties. Here are some key parameters for SLES 70:

1. Chemical Formula: Sodium Lauryl Ether Sulfate (SLES) is a sodium salt of ethoxylated lauryl sulfate, with the general formula C12H25(OCH2)3OSO2Na.

2. Molecular Weight: The molecular weight of SLES 70 can vary slightly depending on the degree of ethoxylation, but it typically falls between 280-300 g/mol.

3. Structure: It consists of a hydrophobic (oil-loving) lauryl chain attached to a hydrophilic (water-loving) sulfate head. This amphiphilic nature allows it to lower the surface tension of water, making it effective at dispersing oils and dirt.

4. Emulsifying Properties: SLES acts as an emulsifier, helping to mix oil-based and water-based components in personal care products, creating a stable emulsion.

5. pH: SLES has a neutral or slightly basic pH, usually around 7 to 8, which makes it suitable for use in a wide range of skin and hair care products.

6. Solubility: It is highly soluble in water, allowing it to easily dissolve in formulations.

7. Foaming: SLES contributes to the formation of foam in soaps and shampoos, providing a rich lather.

8. Environmental Impact: SLES is known to be biodegradable, although its persistence in the environment and potential impact on aquatic life have led to concerns, especially when used in high concentrations or in combination with other surfactants.

9. Skin Sensitivity: Some people may be sensitive to SLES, causing skin irritation or allergies, particularly if used in excessive amounts or in formulations without appropriate moisturizers.

10. Regulatory Status: SLES is approved for use in cosmetic and personal care products by various regulatory agencies, including the US Food and Drug Administration (FDA) and the European Union’s Cosmetics Regulation (EC No. 1223/2009).

It’s important to note that “SLES 70” could refer to a specific grade or concentration, where 70% is the ethoxyl content, but this is not standard nomenclature. Each manufacturer may have their own grading system. Always check the product label for the exact ingredients and their percentages.


(surfactant sles 70)

Company Profile

Surfactant China is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality surfactant materials and relatives products.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are looking for high-quality surfactants and relative products, please feel free to contact us or click on the needed products to send an inquiry.

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FAQs of surfactant sles 70

Q1. What exactly do surfactant sles 70 do?

A: surfactant sles 70 lower the surface tension between fluids or between a fluid and a solid, improving properties such as wetting, foaming, detergency, emulsification, and dispersing. They achieve this through their amphiphilic structure, which allows them to interact effectively at interfaces.

Q2. Are surfactants safe for the environment?

A: The environmental impact of surfactant sles 70 varies greatly depending on their type, concentration, and the specific environment they enter. Some surfactants are biodegradable and pose minimal risk when used and disposed of properly. However, non-biodegradable surfactants can accumulate and harm aquatic life. It’s essential to choose eco-friendly options and follow recommended disposal guidelines.

Q3. How do surfactant sles 70 affect skin and hair?

A: surfactant sles 70 in personal care products can have both positive and negative effects. They help clean by removing dirt and oil but may also strip natural oils from the skin and hair, leading to dryness or irritation. Mild or moisturizing surfactants are often used in formulations to minimize these side effects.

Q4. How do surfactant sles 70 contribute to the effectiveness of cleaning products?

A: In cleaning products, surfactant sles 70 work by surrounding dirt particles, making them more soluble in water. They also reduce the surface tension of water, enabling it to penetrate better into fabrics and surfaces, and lift away grease and grime. This dual action of solubilization and penetration significantly enhances cleaning efficiency.

Q5. Why do some surfactants produce more foam than others?

A: The foaming capacity of surfactants depends on their molecular structure and the solution conditions. Generally, surfactants with long hydrocarbon chains and high concentrations tend to produce more stable foam because they can trap air more effectively. Additionally, anionic and nonionic surfactants are often associated with good foaming properties compared to cationic ones.

Q7. How do you determine the right surfactant for a specific application?

A: Choosing the right surfactant involves considering factors such as the required function (e.g., cleaning, emulsifying, wetting), compatibility with other ingredients in the formulation, environmental and safety regulations, cost-effectiveness, and desired end-product properties. Testing different surfactants in small-scale experiments is often necessary to identify the optimal choice for a given application.


(surfactant sles 70)

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