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46results about How to "Good moisture retention" patented technology

Complex preservative and application thereof in fruit and vegetable preservation

The invention provides a complex preservative and application thereof in fruit and vegetable preservation. The preservative is prepared by the following steps: enabling a pururan solution to react with a gamma-polyglutamic acid solution, thereby preparing cross-linked polymer powder; dissolving the cross-linked polymer powder in distilled water, thereby obtaining a cross-linked polymer solution; and enabling the cross-linked polymer solution to react with a copper salt aqueous solution, thereby obtaining the product. The pururan is prepared by fermenting and extracting strong bud aureobasidium, and the gamma-polyglutamic acid is prepared by fermenting and extracting bacillus licheniformis. The complex preservative prepared by the invention has excellent film-forming property and moisture retention property and is extremely small in use amount, is capable of obviously improving the preservation effect of fruits and vegetables, is convenient to use and easy to operate, can be widely applied to perishable fruits and vegetables such as mangos, strawberries, young garlic shoot and chives stem and is suitable for fruit and vegetable preservation in fruit and vegetable producing areas, fruit and vegetable markets, factories/enterprises and families.
Owner:QUFU NORMAL UNIV

Preparation method of environment-friendly dust suppressant

The invention relates to a preparation method of an environment-friendly dust suppressant and belongs to the technical filed of dust suppressants. The dust suppressant comprises the following steps: taking bagasse as a raw material, adding sulfur dioxide as a catalyst and hydrolyzing hemicelluloses, lignin and the like through steam blasting treatment; then dissolving, removing impurities, preparing bagasse celluloses, grafting and modifying with acryl amide to improve the wettability and the film-forming property; finally mixing with soya bean meal, sodium dodecyl benzene sulfonate, polyvinyl alcohol and the like to prepare the environment-friendly dust suppressant. The environment-friendly dust suppressant prepared by the preparation method provided by the invention has the benefits that after the environment-friendly dust suppressant is sprayed, a layer of thin film is easy to form on the soil surface, so that the effect of protecting surface soil is realized; when in use at a normal temperature, the environment-friendly dust suppressant has better bonding property, good moisture preservation property and better water stability, and can effectively resist rainwater washing, the moisture preservation time can reach 80 hours or above, and the dust suppression efficiency is effectively improved.
Owner:周益铭

Fibroin mouth wash and preparation method thereof

Provided are fibroin mouth wash and a preparation method thereof. The mouth wash is prepared from, by weight, 10-15 parts of fibroin, 12-20 parts of methyl salicylate, 8-12 parts of ethyl alcohol, 1-4 parts of menthol, 2-6 parts of saccharin sodium salt, 4-9 parts of benzoic acid, 1-5 parts of lemongrass essential oil, 1-4 parts of edible essence, 2-8 parts of sorbitol, 4-9 parts of honeysuckle flowers, 4-9 parts of halite, 3-8 parts of sodium benzoate, 2-8 parts of vitamin B, 0.1-0.3 part of allicin and 50-70 parts of deionized water. After honeysuckle flowers are thoroughly washed, deionized water with the weight 2-4 times that of honeysuckle flowers is added, the mixture is heated to 50 DEG C to 60 DEG C, filtering is carried out, and filtrate is obtained; after methyl salicylate, ethyl alcohol, menthol, saccharin sodium salt, benzoic acid, edible essence, sorbitol, halite, sodium benzoate and vitamin B are mixed and stirred, the filtrate obtained in the step 1 and the remaining deionized water are added, the materials are heated to 80 DEG C to 90 DEG C, and a first mixture is obtained; the lemongrass essential oil is dropped into the first mixture, stirring is carried out at the speed of 2,500 rpm to 3,000 rpm, and the mouth wash is obtained. The mouth wash is good in sterilizing effect, and oral hygiene is effectively guaranteed.
Owner:JIANGSU AIXISHI TECH SERVICE CONSULTATION CO LTD

Carboxymethyl chitosan oligosaccharide quaternary ammonium salt/rectorite nanometer composite material and preparation method and application thereof

The invention discloses a rapid preparation method for a carboxymethyl chitosan oligosaccharide quaternary ammonium salt/rectorite nanometer composite material and an application thereof serving as a cosmetic additive. The method comprises the following steps of: preparing a rectorite suspension and a carboxymethyl chitosan oligosaccharide quaternary ammonium salt solution by taking deionized water as a solution; dropwise adding 5-20 mg/mL of the carboxymethyl chitosan oligosaccharide quaternary ammonium salt solution into the rectorite solution at one time; and treating with a microwave radiation heating method to obtain the carboxymethyl chitosan oligosaccharide quaternary ammonium salt/rectorite nanometer composite material. As proved by moisture absorption and moisture retention experiments, an anti-ultraviolet experiment and an inoxidability experiment, the carboxymethyl chitosan oligosaccharide quaternary ammonium salt/rectorite nanometer composite material has high ultraviolet resistance and high inoxidability apart from higher moisture retention than sodium hyaluronate, and is a novel environmentally-friendly, natural, efficient and multifunctional cosmetic additive with low cost.
Owner:广西南宁绿园北林木业有限公司

Binding agent, organic carrier, front conductive silver paste, preparation method of front conductive silver paste and solar cell

The invention relates to a binding agent, an organic carrier, a front conductive silver paste, a preparation method of the front conductive silver paste and a solar cell. The binding agent is a vinylpyrrolidone/vinyl caprolactam/dimethylaminoethyl methacrylate terpolymer. The terpolymer has excellent moisture retention, flexibility and affinity, can improve the compatibility with various resins, and has the film-forming property and the shaping effect of PVP. The preparation method comprises the following steps: preparing an organic carrier from the terpolymer, pretreating glass powder in the formula to prepare a pasty intermediate, stirring and mixing the pasty intermediate with silver powder, the organic carrier, an organic additive and the like, and grinding and dispersing to obtain the front conductive silver paste. The modified resin is used for preparing the organic carrier to be applied to the solar front conductive silver paste, the solar front conductive silver paste can adapt to superfine line opening screen printing, the linear flatness is excellent, the height-width ratio is excellent, and the photoelectric conversion efficiency is improved. And the problem of long-term printability of the front conductive silver paste is effectively solved.
Owner:西安宏星电子浆料科技股份有限公司

Planting box of roof garden

The invention discloses a planting box of a roof garden. The planting box comprises a box body which is internally provided with a planting substrate layer, a filtering layer and a waterproof layer; wherein the planting substrate layer, the filtering layer and the waterproof layer are successively arranged from top to bottom. The planting box further comprises a water storage layer which is arranged between the filtering layer and the waterproof layer. Furthermore a separation network is arranged between the water storage layer and the filtering layer. The separation network is fixedly arranged on the sidewall of the box body. According to the planting box of the roof garden, through arranging the water storage layer between the filtering layer and the waterproof layer, and performing water absorption and water discharging through a sponge, high convenience in watering the planting box is realized. When a relatively large amount of water is applied, the water is absorbed by the sponge, thereby preventing water accumulation in the planting substrate layer; and when water shortage occurs in the planting substrate layer, the sponge performs water discharging contrarily, and the water content of the planting substrate layer is ensured, thereby keeping water balance in the planting box and realizing good water content of the plant.
Owner:NANJING XINGZHI LANDSCAPE DESIGN
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