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286results about How to "Reduce corruption" patented technology

Aquatic product sterilizing pre-treating and cold-preserving method

The invention discloses an aquatic product sterilizing pre-treating and cold-preserving method. The method comprises the steps of: firstly, washing an aquatic product by cold water to remove dirt and impurities; secondly, soaking the washed aquatic product in sub-acid electrolysed water or stirring for sterilization; placing the sterilized aquatic product in a foam preservation box and covering the sterilized aquatic product with preservation ice; and finally sealing the box. By using the method, the spoilage caused by microorganism pollution can be effectively restrained and the shelf life of the aquatic product can be prolonged; the preservation ice can be used for lowering the temperature and slowing down a series of biochemical reactions of the aquatic product; the water formed by melted ice during storage and transportation can play a further sterilization role; the sub-acid electrolysed water has a broad spectrum and high-efficient sterilization effect and especially can be reduced to water after reacting with organic matters; compared with the current other sterilizing agents, the sub-acid electrolysed water is safe without residues and is friendly to human bodies and environments; and the sub-acid electrolysed water is moderate in reacting functions and hardly has influences to the quality of meat. The method is not only applicable to preservation of fresh foods such as fish, shrimps and shellfish, but also applicable to the preservation field of meat products.
Owner:ZHEJIANG UNIV

Nano preservative film for preventing edible fungus from deterioration and application thereof

The invention relates to a nano preservative film for preventing edible fungus from deterioration and application thereof, and a preparation method and application thereof, belonging to the technical field of agricultural product storage processing. The preparation method comprises the following steps: taking 15 wt% of nano powder (30% of nano silver, 35% of nano titanium dioxide, 25% of nano attapulgite and 10% of nano silicon dioxide), 45 wt% of low density polyethylene, 22 wt% of low density linear polyethylene, 10 wt% of dispersing agent, 5 wt% of lubricant and 2 wt% of coupling agent, evenly mixing, extruding, cooling and carrying out set cutting to obtain a nano master batch; and taking 7.5 wt% of nano master batch, 8 wt% of antifogging agent master batch and 84.5 wt% of low density linear polyethylene, carrying out hot melt, evenly mixing, and running to form the nano preservative film with the thickness of 18 mu m. The nano preservative film is used for packaging edible fungus to form a high-humidity low-oxygen environment; the lower spoilage microorganism activity and ethylene content can effectively inhibit the after growth, deterioration and other phenomena of the edible fungus, effectively maintain the storage quality and enhance the commodity value of the edible fungus; and thus, the nano preservative film has wide market prospects.
Owner:灌南县金凯包装有限公司

Fiber fully drawn yarn (FDY) spinning oil and preparation method thereof

ActiveCN104179005AEasy to turn yellowNot easy to turn yellowFibre treatmentYarnAntioxidant
The invention relates to a fiber fully drawn yarn (FDY) spinning oil which comprises a high-temperature smoothing agent, a composite antistatic agent, a bundling agent, a phenolic group antioxidant, a phenylamino group antioxidant, an olefine acid antioxidant, a high-temperature dispersant, a softening agent, an environment-friendly emulsifying agent, a defoaming agent, a preservative and an environment-friendly penetrating agent, wherein the high-temperature smoothing agent comprises hydrogenation paraffin-based oil and hydrogenation naphthenic oil. The invention also provides a preparation method of the fiber FDY spinning oil. The fiber FDY spinning oil is stable in emulsion and free from stratification and odor, and is not easily rotted; the fiber is easily not yellowed by dyeing, and the fiber FDY spinning oil is easy to rinse; the production process is stable, and the fiber FDY spinning oil has few broken ends, is good in heat resistance, does not have smoke formation, is not coked on a hot roller, has the excellent anti-static performance under the different humidity conditions, and thus the fiber FDY spinning oil can meet the requirements of high-speed spinning technologies of various specifications of fiber including thick fibers and thin fibers; after the fiber FDY spinning oil is used, the fiber can smoothly pass through the after the spinning of various equipment, so that the yield and the good rate of fiber spinning can be effectively increased.
Owner:上海中孚油品集团有限公司

Antiseptic and fresh keeping method for oranges

The invention discloses an antiseptic and fresh keeping method for oranges. The method is characterized in that orange fruit is subjected to hot water spraying treatment on the basis of clean water soaking cleaning, then, the orange fruit is soaked into chitosan compound solution containing essential oil for carrying out film coating treatment, next, the orange fruit is packed by a fresh keeping bag containing 1.5 to 2.5 weight percent of nanometer titanium dioxide and 0.8 to 1.2 weight percent of inorganic nanometer antibacterial agents, and the hot water spraying treatment has the conditions that the water temperature is 60 to 65 DEG C, the height from the fruit surface is 0.4 to 0.6meter, the water pressure is 1.5 to 2.0 atmospheric pressure, and the spraying time is 15 to 20 seconds; and the addition quantity of essential oil is 1.8 to 2.2ml / L, volatile essential oil in the essential oil accounts for 50 to 60 percent, and the orange essential oil accounts for 50 to 40 percent. Themethod has the advantages that the hardness, the soluble solids, the titratable acid and the vitamin C content of the orange fruit can be effectively maintained, and the weight loss ratio ascending and the fungus decay occurrence after the orange picking are inhibited, so the preservation period is effectively prolonged.
Owner:NINGBO UNIV

Aqueous environment-friendly cutting fluid synergized by functional ionic liquid and method for preparing same

ActiveCN102732365AMild reaction conditionsEasy separation and handlingLubricant compositionIonCorrosion inhibitor
The invention discloses an aqueous environment-friendly cutting fluid synergized by a functional ionic liquid and a method for preparing the same. The method comprises the following steps: stirring and mixing a synthetic ester, a vegetable oil and an antiseptic uniformly under normal pressure and temperature to obtain a mixture A; stirring and mixing a PH stabilizer, an antirust agent and water at 30-80 DEG C for 10 minutes to 1 hour to obtain a mixture B; stirring and mixing an emulsifier and an ionic liquid extreme-pressure agent under normal pressure and temperature to obtain a mixture C; adding the mixture A, the mixture B and the mixture C into a reactor, adding a copper corrosion inhibitor and an aluminum corrosion inhibitor, and stirring and mixing at 30-80 DEG C for 10 minutes to 1 hour to obtain the product. The extreme-pressure agent has excellent abrasion resistance and can be subjected to chemical reaction with the metal surface to produce a passivation film so as to protect the metal surface. In addition, the ionic liquid compound comprises a variety of anions and cations so that the system has the advantages of special bactericidal performance, lubricating performance, cooling performance and chemical stability which are not owned by the common antiseptic.
Owner:广州市联诺化工科技有限公司
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