30 results about "Dioctyl phosphate" patented technology

The invention discloses a fast alkali-resistant penetrating agent and a preparation method thereof. The fast alkali-resistant penetrating agent comprises the following components by weight percentage: octyl phosphate 10-60%, amphoteric surfactant 10-30%, alkanes 5-20% of sugar anhydride, 10-30% of fatty alcohol polyoxyethylene ether sulfonate, and 0.1-0.5% of defoamer. Add the above-mentioned raw materials into the mixing tank according to the required ratio, stir evenly, add NaOH solution to adjust the pH=7~8, and finally add water to dilute to obtain the rapid alkali-resistant penetrant. The penetrant prepared by the present invention has an alkali resistance of up to 300g / l NaOH, and has good penetration, emulsification, and washing properties under neutral to strong alkaline conditions, and does not contain APEO, is easy to degrade, and is suitable for printing and dyeing. various processes.

The invention relates to an industrial production method for trioctyl phosphate, and in particular relates to an industrial production process for trioctyl phosphate and a byproduct recovering method. Raw materials comprise octanol, phosphorus oxychloride, phosphorus oxychloride and aqueous alkali. The device mainly comprises a centrifugal pump, an octanol storage tank, an octanol metering tank, a mixing kettle, a freezing brine pump, a freezing brine device, an esterification kettle, a steam pipeline, a neutralizing kettle, an alkaline water tank, a hydrogen chloride recovering device, a washing device, a vacuum pump, a dealcoholization pump, a condenser and an alcohol-water separator. According to the method provided by the invention, hydrogen chloride can be recovered and marketed in form of hydrochloric acid product, so that pollution is reduced. The washing device is further arranged to adequately remove impurities such as monooctyl phosphate and dioctyl phosphate. A lens is additionally installed, so that whether washing water is discharged completely or not is easy to judge. A spraying stirring device is adopted to reduce the degree of emulsification during separation. The alcohol-water separator can produce octanol products, so that the product purity of trioctyl phosphate is increased and the production cost is lowered.

The invention discloses a preparing method of a biodegradable food packaging material, and belongs to the technical field of preparing packaging materials. Discarded anaerobic cassava distillers' grains are reused, dissolved through a cellulose dissolving system and modified with a lauric acid, bi(dioctyl phosphate) diethylene titanate and polyethylene glycol composite modifying agent, auxiliaries such as specific dispersant, toughener, plasticizer and stabilizer are added, and the biodegradable food packaging material is prepared through extrusion granulation of a double-screw extruder and hot press molding of a press vulcanizer. Tenacity, tensile strength, impact strength and other performance of the biodegradable food packaging material prepared through the preparing method meet the packaging requirement, material cost is greatly reduced, and comprehensive utilization of waste resources is achieved.

The invention provides a synergist for refractory copper oxide ore flotation and a preparation method thereof, and belongs to the technical field of flotation. The synergist comprises, by weight, 60 parts of 8-hydroxyquinoline, 45 parts of dioctyl phosphate, 15 parts of ammonium sulfate, 5 parts of kerosene and 5 parts of ethanol. The preparation method comprises the steps of firstly mixing the powdery 8-hydroxyquinoline and ammonium sulfate, then mixing the liquid dioctyl phosphate, kerosene and ethanol, adding the powdery solids into the mixed liquid medicament solution, next adding water soas to prepare the water solution with the volume fraction of 30%-35%, heating to 40-50 DEG C in a microwave field, and stirring for 15-20 min. The prepared synergist can be directly added into the ore grinding operation in the form of a stock solution. The synergist for the refractory copper oxide ore flotation is stable in property, good in solubility, high in activity, less in dosage of the medicament, high in adaptability to ores and capable of effectively improving indexes of the refractory copper oxide ore flotation, and has obvious technical and economic indexes and environmental benefits.