BASF Lutensol AO 89 Surfactants

Features Of BASF Lutensol AO 89 Surfactants

1. Nonionic alcohol ethoxylate with high hydrophile-lipophile balance (HLB ≈ 13.5) for excellent water solubility and low-temperature stability.

2. Outstanding emulsification and dispersion performance in oil-in-water systems, even with challenging hydrophobic actives.

3. Low foaming profile suitable for high-shear industrial cleaning and metalworking applications.

4. Good compatibility with electrolytes, acids, and common co-surfactants in formulated systems.

5. Eco-preferred profile: readily biodegradable (OECD 301D compliant) and free of alkylphenol ethoxylates (APEO-free).

Typical Applications Of BASF Lutensol AO 89 Surfactants

1. Industrial and institutional (I&I) hard-surface cleaners, including floor, glass, and stainless-steel formulations.

2. Metalworking fluids—used as emulsifier and stabilizer in soluble oil and semi-synthetic coolants.

3. Agrochemical adjuvants for enhancing the dispersion and foliar uptake of active ingredients.

4. Textile auxiliaries, particularly in dyeing and printing preparation baths requiring low foam and high wetting.

5. Paint and coating additives for pigment dispersion and latex stabilization in waterborne systems.

Specifications Of BASF Lutensol AO 89 Surfactants

BASF Lutensol AO 89 Surfactants – Frequently Asked Questions (FAQ)

Q1: What is the primary chemical nature of Lutensol AO 89?

A: Lutensol AO 89 is a nonionic surfactant based on alkoxylated linear alcohols, specifically derived from C_12–15 fatty alcohols ethoxylated with an average of approximately 8–9 moles of ethylene oxide — resulting in balanced hydrophilic-lipophilic properties suitable for emulsification and solubilization in diverse aqueous systems.

Q2: In which types of industrial formulations is Lutensol AO 89 most commonly applied?

A: It is widely used in high-performance industrial cleaning agents, metalworking fluids, agrochemical emulsifiable concentrates (EC), and textile auxiliaries — where stable oil-in-water emulsions, low foaming behavior, and good compatibility with electrolytes and other surfactants are required.

Q3: How does temperature affect the performance of Lutensol AO 89 in solution?

A: As a typical cloud-point-type nonionic surfactant, Lutensol AO 89 exhibits reversible clouding behavior upon heating; its aqueous solutions become turbid above a characteristic cloud point temperature, which influences solubilization efficiency and phase stability — formulation design should consider operating temperature relative to this transition.

Q4: Is Lutensol AO 89 compatible with anionic and cationic surfactants?

A: It demonstrates good physical compatibility with many anionic surfactants (e.g., LAS, AES) in formulated systems, enabling synergistic performance in detergency and emulsification; however, direct mixing with strongly cationic species may lead to precipitation or reduced efficacy and should be evaluated case-by-case under application-relevant conditions.

Q5: What are key handling and storage recommendations for Lutensol AO 89?

A: Store in tightly closed original containers at temperatures between 5 °C and 30 °C, away from direct sunlight and strong oxidizing agents; avoid prolonged exposure to freezing conditions, as crystallization may occur and require gentle warming and thorough homogenization before use.