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11723 results about "Fatty alcohol" patented technology

Fatty alcohols (or long-chain alcohols) are usually high-molecular-weight, straight-chain primary alcohols, but can also range from as few as 4–6 carbons to as many as 22–26, derived from natural fats and oils. The precise chain length varies with the source. Some commercially important fatty alcohols are lauryl, stearyl, and oleyl alcohols. They are colourless oily liquids (for smaller carbon numbers) or waxy solids, although impure samples may appear yellow. Fatty alcohols usually have an even number of carbon atoms and a single alcohol group (–OH) attached to the terminal carbon. Some are unsaturated and some are branched. They are widely used in industry. As with fatty acids, they are often referred to generically by the number of carbon atoms in the molecule, such as "a C₁₂ alcohol", that is an alcohol having 12 carbons, for example dodecanol.

Environment-friendly type hyperconcentration biological enzyme liquid laundry detergent and preparation method thereof

The invention relates to a detergent for daily use, and specifically relates to an environment-friendly type hyperconcentration biological enzyme liquid laundry detergent and a preparation method thereof. The prepared product in the invention is mobile liquid with low viscosity, contains no phosphates, fluorescent brightening agents or alkylphenol polyoxyethylene, and has no pollution to environment. The production process for the product is simple; preparation and mass production of the product are easy; the product can be widely used for washing of various fabrics and clothing and is both applicable to hand wash and machine wash. The environment-friendly type hyperconcentration biological enzyme liquid laundry detergent comprises, by weight, 0.5 to 50 parts of fatty alcohol polyoxyethylene ether sodium sulfate-70, 0.5 to 50 parts of fatty alcohol polyoxyethylene ether-9, 0.5 to 30 parts of sodium alkylbenzene sulfonate-60, 0.2 to 15 parts of triethanolamine, 0.1 to 10 parts of sodium citrate, 0 to 5 parts of citric acid, 0 to 5 parts of aliphatic acid, 0.02 to 8 parts of biological enzyme, 0.1 to 20 parts of an enzyme stabilizer, 0.5 to 30 parts of a solvent, 0 to 15 parts of a hydrotropic agent, 0 to 5 parts of a bactericide, 0.001 to 5 parts of an antiseptic, 0 to 3 parts of essence and 1.0 to 40 parts of softened water.
Owner:上海开米科技有限公司

Polyvinylidene fluoride microporous film and preparation method

The invention provides a polyvinylidene fluoride microporous film and a preparation method; the polyvinylidene fluoride microporous film is prepared by using polyvinylidene fluoride, fatty alcohol (non solvent) and polar organic solvent as raw materials, the proportioning of which is as follows: the mass content of polyvinylidene fluoride is 10%-15%, and the content of non solvent is 6-12%; the specific steps are as follows: polyvinylidene fluoride, polar organic solvent and non solvent are mixed, dissolved and filtered, set aside and are deaerated to obtain clear casting film liquid which is struck on a coarse structure template substrate and placed in air; gel forms film in a coagulating bath, is processed by hot water, and then soaked in water and absolute ethyl alcohol to obtain high hydrophobic polyvinylidene fluoride microporous film; the contact angle between the surface of high hydrophobic polyvinylidene fluoride microporous film and water reaches 130 degrees to 140 degrees, air flux of the film reaches 6.0m<3>/(m<2>-h-kPa) under 60kPa, the maximum bore diameter is less than 0.5 mum, tensile strength reaches breaking strength which is larger than 5Mpa, and the elongation at break is larger than 50%. The invention is the polyvinylidene fluoride microporous film with high hydrophobicity, high flux and good mechanical strength and the preparation method, which is mainly applied to the film distillation and associated film process.
Owner:HEBEI UNIV OF TECH
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