54 results about "Glycerine acetate" patented technology

The invention relates to a florfenicol solution and preparation method thereof, wherein the florfenicol solution comprises the following components of: florfenicol, N, N-dimethylformamide (DMF), glycerol triacetate, tween-80 and water; the mass ratio of each component is florfenicol: DMF: glycerol triacetate: tween-80: water = (5-15): (40-60): (10-15): (1-20): 100. The preparation method of the solvent comprises the following steps of: taking 45ml of DMF, adding the DMF into the florfenicol, stirring to be dissolved; then adding glycerol triacetate, stirring to be dissolved, and then adding tween-80, stirring to be dissolved; finally adding water to 100 ml, and stirring until the solution is clear. The florfenicol solution prepared by the method can be dissolved in the water at any proportion; the florfenicol solution greatly improves the bioavailability of the products, and is featured with rapid effect, long effect and high efficiency; and the florfenicol solution can maintain long effective blood concentration in the live stock.

The invention relates to ibuprofen nanoemulsion and a preparation method thereof. The ibuprofen nanoemulsion comprises ibuprofen, glycerol triacetate, Tween-80 and water in a mass ratio of (1-5):(5-15):(10-20):(20-100). The preparation method of the solvent comprises: adding ibuprofen into 10 milliliters of glycerol triacetate, and stirring to dissolve ibuprofen; adding Tween-80, and stirring for 2 minutes to dissolve the Tween-80; and adding water till the total volume is 100 milliliters, and stirring till the solution is clear. The ibuprofen nanoemulsion prepared by the method can dissolve in water according to any ratio, so the biological utilization rate of the product is improved greatly; and the ibuprofen nanoemulsion has the characteristic of instant, long and high effectiveness, and can keep an effective blood medicine concentration for a long time in the bodies of livestock.

The invention discloses a method for producing a plasticizer which can improve the filtration efficiency and the pumping quality of a cigarette filter rod; the plasticizer which is produced by the method can cause the cigarette filter rod to enhance the capacity to filter harmful substances, so the harmful components of aldehyde, benzene, and phenol in the cigarette mainstream smoke are significantly reduced, and the pumping quality of the cigarette is improved. The purpose is achieved by the following technical proposal: A. glyceryl triacetate is heated; when the temperature reaches 30-50 DEG C, cellulase and hemicellulase are added into the glyceryl triacetate; in accordance with the part by weight, the cellulase / glyceryl triacetate is less than 0.008, and the hemicellulase / glyceryl triacetate is less than 0.0085; B. the temperature is maintained at 30-50 DEG C, and then stirring is carried out to the mixture until the cellulase and hemicellulase are completely dissolved; and C. thestirring is stopped; and after the bubbles are completely dispersed, when the mixture has no small particles and other fine impurities by observation, the dissolution is completed, and then heat preservation is stopped, and finally the mixture is cooled to room temperature.

The invention discloses a method for preparing a PVC plasticizer. The method comprises the following steps: (1) firstly, diethylene glycol dibenzoate, dipentaerythritol, a catalyst and terephthalic acid are mixed and uniformly stirred at normal pressure under nitrogen protection condition, and then glycerol triacetate, polyvinyl chloride and the epoxidized soybean oil are continuously stirred under the protection of nitrogen at normal temperature to obtain a mixture; (2) the mixture obtained in the step (1) is mixed to obtain a mixed material; and (3) the mixed material obtained in the step (2) is cooled to room temperature to obtain a finished product. The plasticizer controls the ratio of various components in the preparation process to make the prepared PVC plasticizer have excellent impact resistance, weather resistance and insulation, can be widely used in medical equipment, food packaging, toys, artificial leather and the like, greatly reduces the loss and pollution in the processing of the products, and reduces the cost of the product.

The invention discloses a perfume concoction with an animal liver fragrance and a preparation method thereof. The perfume concoction comprises: by weight, 1 to 2% of ethyl maltol, 2 to 4% of 2-methyl butyraldehyde, 0.5 to 1% of furanone, 15 to 30% of 4-methyl-5-thiazoleethanol, 0.2 to 0.4% of 2-acetylpyrazine, 1 to 2% of butyric acid, 0.5 to 1% of 2,3,5-trimethylpyrazine, 0.5 to 1% of gamma-butyrolactone, 0.3 to 0.6% of 2,3,5,6-tetramethylpyrazine, 0.2 to 0.4% of 2-acetylthiophene, 0.02 to 0.05% of 2-methyl-3-mercaptofuran, 13 to 40% of glycerol triacetate, and 30 to 50% of liver extract. Theperfume concoction realizes that a substitute of a natural liver fragrance can be utilized as a feed additive to be used in pet feed. The preparation method of the perfume concoction is simple. Perfume materials composing the perfume concoction is safe and is easy for purchase. The fragrance of the perfume concoction is pleasant, stable and true to nature. The perfume concoction is preserved easily under the condition of package encapsulation.

The invention provides a method for preparing acetin. The method comprises that: in the presence of alkali catalyst, grease reacts with acetate, and acetin and fatty acid ester are collected. The method has the advantages of: (1), producing the acetin directly by using the grease and the acetate, generating little side reaction, achieving high product quality and widely used by products; 2, avoiding using acetic acid and acid catalyst, solving the problem of serious corrosion existing in the conventional process and lowering requirements on equipment material and operation and maintenance costs; and 3, enlarging the application range of methyl acetate.