
FMEE fatty acid methyl ester polyoxyethylene ether
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Category:Paint chemicals Own Brand:MT /MOQ:100KG /From China/ B2B only.
Introduction
Fatty Acid Methyl Ester Polyoxethylene Ether (FMEE) is a novel type of nonionic surfactant that has gained significant attention in recent years due to its unique chemical structure and versatile performance. FMEE is synthesized by the ethoxylation of fatty acid methyl esters (FAMEs) using catalysts such as MgO/Al₂O₃ or Mg/Al/Co-based catalysts. This process results in a compound with both ester and ether groups, providing it with excellent surface-active properties.
Chemical Structure and Properties
FMEE typically has the general formula R-CO-(OCH₂CH₂)n-OCH₃, where R represents a long-chain alkyl group (usually C16-C18) and n is the average degree of ethoxylation. This structure endows FMEE with several notable characteristics:
– Low Foam: FMEE generates minimal foam, making it suitable for applications where excessive foam is undesirable.
-High Cloud Point: With a cloud point typically ranging from 98°C to 103°C, FMEE maintains stability at high temperatures.
– Excellent Dispersing and Emulsifying Properties: FMEE effectively disperses and emulsifies various substances, making it a valuable component in cleaning agents and industrial formulations.
– High Biodegradability: FMEE is highly biodegradable, with a biodegradation rate of over 99%, making it environmentally friendly.
Applications
FMEE’s unique properties make it suitable for a wide range of applications across different industries:
1. Textile Industry:
– Degreasing and Cleaning: FMEE is used in textile processing for degreasing and cleaning fabrics, effectively removing oils and waxes.
– Pre-treatment: It is used in pre-treatment processes such as desizing and bleaching to improve fabric quality.
2. Household and Industrial Cleaning Products:
– Detergents: FMEE is a key ingredient in laundry detergents and dishwashing liquids, enhancing cleaning efficiency and reducing the amount of surfactant required.
– Hard Surface Cleaners: It is used in formulations for cleaning kitchen utensils, floors, and other surfaces due to its superior oil-removal capabilities.
3. Metal Processing:
– Metal Cleaning: FMEE is used in metalworking fluids to clean and degrease metal surfaces, preparing them for further processing.
4. Agriculture:
– Pesticide Formulations: FMEE is used as an emulsifier in pesticide formulations to enhance the dispersion and effectiveness of active ingredients.
5. Oil and Gas Industry:
– Enhanced Oil Recovery: FMEE is used in enhanced oil recovery (EOR) processes due to its ability to improve the mobility and displacement of oil in reservoirs.
6. Personal Care Products:
– Shampoos and Conditioners: FMEE is used in personal care products for its mildness and ability to enhance cleaning and conditioning properties.
Environmental and Safety Considerations
FMEE is considered environmentally friendly due to its high biodegradability and lack of harmful byproducts. It does not contain alkylphenol ethoxylates (APEO), which are known to be environmentally persistent and toxic. Additionally, FMEE has a low acute oral toxicity (LD50: 2700-5000 mg/kg in rats), making it safe for use in consumer products.
Conclusion
Fatty Acid Methyl Ester Polyoxethylene Ether (FMEE) is a versatile nonionic surfactant with excellent performance in cleaning, emulsifying, and dispersing applications. Its high biodegradability and environmental friendliness make it a preferred choice for modern, sustainable formulations across various industries. As environmental regulations become stricter, FMEE is poised to play an increasingly important role in industrial and consumer products.
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