16results about "Pectin coatings" patented technology

The application provides a preparation method of a zanthoxylum bungeanum essential oil active coating liquid and application thereof, and relates to the field of fruit and vegetable preservation technology. The preparation method of the zanthoxylum bungeanum essential oil active coating liquid is as follows: 3.5% zein nanoparticles are prepared; 3.5% citrus pectin solution is prepared; the 3.5% zein nanoparticles are dropped into the citrus pectin solution to obtain zein-citrus pectin Pickering emulsion; zanthoxylum bungeanum essential oil and 3.5% zein-citrus pectin Pickering emulsion are mixed to obtain zanthoxylum bungeanum essential oil Pickering emulsion; carboxymethyl cellulose sodium is dissolved in deionized water; glycerol is added; the zanthoxylum bungeanum essential oil Pickering emulsion is added under room temperature, and standing and defoaming are conducted, so that the zanthoxylum bungeanum essential oil active coating liquid is obtained. The application is favorable for inhibiting the spoilage bacteria of fresh red peppers, delaying the aging time of the peppers, and prolonging the preservation period of the peppers.

The invention relates to charring paste for a wood process. The charring paste comprises 1-40 wt% of a surfactant, 10-60 wt% of a thickening agent, 3-40 wt% of a carbonizing agent, 20-60 wt% of a solvent and 1-3 wt% of a preservative, the carbonizing agent comprises 1-40 wt% of a phosphoric acid compound, 0-30 wt% of a sulfate compound, 5-60 wt% of an iron ion / ferrous ion compound and / or 3-50 wt% of a phosphoric acid metal compound. The using method of the coke paste comprises the following steps that the surface of wood is evenly coated with the coke paste, and a black surface carbonized layer is rapidly formed through heating treatment by using a hot air gun and the like. The charring paste disclosed by the invention can be used for DIY (do it yourself) handmade wood board decorative patterns, and can also be used for charring insect prevention, flame retardance and corrosion prevention of wood surfaces. The charring paste does not use strong acid such as concentrated sulfuric acid, and has the characteristics of excellent charring effect, high storage stability, no toxicity, environment friendliness, easiness in coating and the like.

The invention belongs to the technical field of indoor paint, and particularly relates to plant interior wall paint and a preparation method thereof. The plant interior wall paint is prepared from the following components in parts by weight: 10 to 20 parts of sweet potato gum, 5 to 10 parts of peanut emulsion, 10 to 20 parts of glutinous rice gum, 12 to 20 parts of potato gum, 10 to 15 parts of soybean gum, 7 to 10 parts of lotus seed gum, 10 to 15 parts of kiwi vine gum and 7 to 17 parts of titanium dioxide slurry, wherein the sweet potato gum, the glutinous rice gum, the potato gum, the soybean gum and the lotus seed gum are obtained by respectively adding water into sweet potatoes, glutinous rice, potatoes, soybeans and lotus seeds, mixing, cooking at high temperature and uniformly crushing. Through the synergistic effect of all the components, the prepared plant interior wall paint is good in film-forming property, the hardness of a paint film after film forming is higher than that of common interior wall paint sold in the market, addition of chemical engineering and chemical raw materials used in original paint is completely eradicated, and the plant interior wall paint has a good health-care effect on human health.

Provided are an oxygen barrier film, a food wrapper including the same, and a method of preparing the oxygen barrier film. The oxygen barrier film may include: a base layer; and an organic / inorganic hybrid layer located on the base layer and including a natural hydrogel and a silane coupling agent.

This invention discloses a flame-retardant coating, its preparation method, and its application, belonging to the field of coating material preparation technology. The preparation method of the flame-retardant coating includes: dissolving anionic polysaccharides in water, adding urea and phosphoric acid, reacting at 90-100℃ for 8 h to obtain phosphorylated modified polysaccharides, then adjusting the pH of the modified polysaccharides to 6-8 with an aqueous solution of cationic polypeptides, mixing them in equal volumes, and centrifuging to collect the reaction products, thus obtaining the flame-retardant coating. This invention uses biomass-derived polysaccharides and polypeptides as a basis, introducing flame-retardant groups through phosphorylation modification of the polysaccharides, and then utilizing the strong electrostatic interactions and hydrogen bonding between anions and cations to construct a three-dimensional network aggregate. This method is simple, mild, and low-cost. The prepared coating possesses both excellent flame retardancy and high adhesion, and can be widely used in the field of fireproof materials.

The present invention relates to a thixotropic aqueous mixture for preventing epidermal burn and / or abrasion damage in agricultural products such as fruits or fruits of the subfamily Poraceae, and to a method of applying the same. The thixotropic aqueous mixture comprises at least one smectite clay and a water-soluble polymer, and the thixotropic aqueous mixture is added to water by high-shear mixing and then applied to agricultural products, such as fruits or fruits of the subfamily Poraceae, via immersion tanks, spray bars, brush beds, or a combination thereof.

The invention relates to a composition, a composite, and an object coated with a composite in the form of a coating.

The invention provides a preparation method and application of active coating liquid loaded with pepper essential oil, and relates to the technical field of fruit and vegetable preservation. A preparation method of the active coating liquid loaded with the Chinese prickly ash essential oil comprises the following steps: preparing 3.5% zein nanoparticles; preparing a 3.5% citrus pectin solution; dropwise adding 3.5% of zein nanoparticles into the citrus pectin solution to obtain a zein-citrus pectin Pickering emulsion; mixing pepper essential oil with 3.5% zein-citrus pectin Pickering emulsion to obtain pepper essential oil-loaded Pickering emulsion; sodium carboxymethyl cellulose is taken and dissolved in deionized water; adding glycerol; adding the pepper essential oil loaded Pickering emulsion at room temperature, standing and defoaming to obtain the pepper essential oil loaded active coating liquid. The method is beneficial to inhibiting putrefying flora of the fresh red peppers, delaying the aging time of the peppers and prolonging the fresh-keeping period of the peppers.

A thixotropic aqueous mixture for preventing tiger disease and / or scratch damage in agricultural products, such as fruit or kernel fruit, comprising at least one smectite clay and a water-soluble polymer wherein the thixotropic aqueous mixture is added to water by high shear mixing, the liquid is then applied to an agricultural product (e.g., fruit or kernel fruit) through a dip tank, a spray lance or a brush bed, or a combination thereof.

A thixotropic aqueous mixture for preventing superficial scald and / or scuffing damage on produce, such as fruit or pome fruits, and an application method thereof comprising at least one smectite clay and a water-soluble polymer, wherein the thixotropic aqueous mixture is added with high shear mixing to water then applied to produce, such as fruit or pome fruit, via a dip tank, spray bar, or brush bed or combination thereof.

The invention discloses a cooling and harm-reducing material for heating cigarettes, a preparation method of the cooling and harm-reducing material and the heating cigarettes, and belongs to the technical field of tobaccos. The preparation method provided by the invention comprises the following steps: heating and dissolving a natural polymer material and choline ionic liquid to form a uniform solution; the mass fraction of the natural high polymer material is 3-15 wt%; and coating an internal base material of a heated cigarette with the solution while the solution is hot, and cooling to room temperature to obtain the temperature-reducing and harm-reducing material for heating the cigarette. The preparation method is very simple, the prepared cooling and harm reducing material for heating the cigarettes can effectively reduce the smoke temperature and reduce harmful gas release, meanwhile, liquid leakage is avoided in the application process, and high safety is achieved.

The invention provides a hibiscus cannabinus pectin-quinoa protein edible coating film as well as a preparation method and application thereof, and belongs to the technical field of preservative films. The preparation method comprises the following steps: S1, preparing kenaf pectin; s2, preparing quinoa protein; s3, preparation of a curcumin-loaded kenaf pectin-quinoa protein Pickering emulsion: taking quinoa protein and kenaf pectin, respectively preparing and uniformly stirring to obtain a pectin-protein mixed solution as a water phase; taking curcumin, adding vegetable oil, uniformly stirring in a dark place, ultrasonically dissolving, centrifuging, and taking supernate as an oil phase; and mixing the water phase and the oil phase, and homogenizing to obtain the product. And S4, preparation of the hibiscus cannabinus pectin-quinoa protein edible coating film: mixing the edible plasticizer with the Pickering emulsion, uniformly stirring, and removing bubbles to obtain the hibiscus cannabinus pectin-quinoa protein edible coating film. The Pickering emulsion with better emulsification and embedding performance and antibacterial effect is prepared from the hibiscus cannabinus pectin and the quinoa protein, an edible coating film loaded with curcumin is safe, non-toxic and edible, the shelf life of fruits such as strawberries can be prolonged, and the application prospect is wide.

The present invention relates to a process for preparing a coating lacquer comprising the following steps: a) providing a natural hydrocolloid and a solvent, the solvent comprising or consisting of water, b) introducing, under stirring, the natural hydrocolloid into the solvent to obtain a pre-hydrolysis solution, the natural hydrocolloid having a concentration ≥ 13% by weight of the total weight of the pre-hydrolysis solution, c) reaching a temperature comprised between 40°C and 57°C, d) introducing a hydrocolloid-specific hydrolyzing enzyme to obtain a coating lacquer, wherein the coating lacquer has a natural hydrocolloid concentration ≥ 13% by weight of the total weight of the coating lacquer.

The invention discloses an in-situ gel coating, a preparation method of the in-situ gel coating and application of the in-situ gel coating in an aqueous zinc ion battery, and belongs to the field of aqueous battery materials. The in-situ gel coating comprises a polysaccharide polymer and small molecule sugar. The polysaccharide polymer can form coordination adsorption or chelation with zinc ions. The polysaccharide polymer is selected from at least one of chitosan and salt thereof, alginic acid and salt thereof, pectin, carboxymethyl cellulose and salt thereof; the micromolecular sugar is selected from at least one of glucose, maltose, lactose and cane sugar. The in-situ gel coating has good effects of inhibiting zinc metal negative electrode dendritic crystals and corrosion hydrogen evolution, and can significantly improve the cycle performance of the zinc ion battery. The method is low in raw material cost, simple and environment-friendly in technological operation and easy for large-scale production.

Disclosed are an oxygen barrier film, a food wrapper including the same, and a method of preparing the oxygen barrier film. The oxygen barrier film may include: a base layer; and an organic / inorganic hybrid layer located on the base layer and including a natural hydrogel and a silane coupling agent.

A pectin-based composite barrier comprising (i) a pectin. (ii) a cellulose nanofiber (CNF), and (iii) a mild base such as sodium borate (NaB) or sodium carbonate (NaC) and a packaging product, such as a modified atmosphere packaging product, comprising same.