46results about How to "Good oxygen barrier" patented technology

A soft capsule comprising a wall derived from a multilayer film that comprises three layers. The layers are an innermost sealing plasticized hydroxypropyl methyl cellulose, an adhesion promoting layer of propylene glycol alginate and a barrier layer of sodium alginate.

The invention discloses a method for preparing functional soluble and edible compound membranes. The method is characterized in that the functional soluble and edible compound membranes are made of polysaccharides, proteins and starch and further comprises membrane-forming agents, reinforcing agents, plasticizers, cross-linking agents, antioxidants and gelatin, and the membrane-forming agents, the reinforcing agents, the plasticizers, the cross-linking agents and the antioxidants are used as auxiliary materials; the method includes steps of mixing aqueous solution, stirring and homogenizing the aqueous solution to obtain aqueous solution A or mixed aqueous solution B and allowing the aqueous solution A or the mixed aqueous solution B to stand still for standby application; carrying out heating treatment to obtain uniform thin membranes by means of flow-casting and cutting and packaging the compound membranes to obtain finished products. The method has the advantages that the functional soluble and edible compound membranes which are of porous network structures can be formed under the mutual effects of different molecules, have certain strength but are soft, can be dissolved in hot water but are moisture-resistant at normal temperature, can be subjected to heat-seal, are edible and are beneficial and harmless to the health, and the method can be widely applied to the field of food packaging.

The invention relates to an autohension polyvinylidene chloride (PVDC) emulsion for coating and a preparation method thereof. The autohension polyvinylidene chloride emulsion for coating comprises, by weight, 65% to 80% of modified PVDC copolymerization emulsion, 0.5% to 5% of adhesion promoters, 3% to 5% of slip agents, 3% to 5% of abherents and 13.5% to 20% of softened water, and the modified PVDC copolymerization emulsion comprises, by weight, 45% to 60% of vinylidene chloride, 1% to 3% of acrylic acid, 2% to 5% of butyl acrylate, 0.5% to 5% of ethyl methacrylate, 0.5% to 3% of acrylonitrile, 0.3% to 0.5% of chain initiators, 0.1% to 1% of emulsifying agents, 35.5% to 37% of softened water and 0.1% to 0.5% of defoaming agents. According to the autohension polyvinylidene chloride emulsion for the coating, the emulsion can be directly coated without coating a base gel during the coating process, a prepared coating film has a good antioxygen performance, the process of precoating the base gel is omitted, the cost is saved, and the autohension polyvinylidene chloride emulsion for the coating is safe and environment-friendly.

The invention discloses a high-barrier polyester film. The high-barrier polyester film is characterized by comprising a base film and a high-barrier resin coating applied and cured on a single surface or double surfaces of the base film, wherein the thickness of the high-barrier polyester film is 15-80 mu m; the base film is a biaxially stretched polyester film prepared from polyethylene terephthalate. The preparation method of the high-barrier resin coating comprises steps as follows: the polyethylene terephthalate chips are subjected to fusion and chip casting through an extruder and longitudinal stretching to form a thin stock chip, a single surface or double surfaces of the thin stock chip is or are coated with a high-barrier resin coating solution in an on-line coating manner, and the base film with the coating of the high-barrier resin coating solution is obtained after drying, horizontal stretching and heat setting, and the high-barrier polyester film is obtained. The oxygen transmissibility of the high-barrier polyester film is 6.0-12.3 cm<3> / m<2>*d*atm, the moisture transmissibility is 6.1-10.5 g / m<2>*d, and the high-barrier polyester film is particularly applicable to the field of package.

It is known to provide a reoxidation step in the manufacture of a MOSFET that serves a number of structural purposes in relation to the MOSFET. However, the need to provide materials of high dielectric constant for gate insulator layers of MOSFETs to accommodate a drive for smaller integrated circuits has led to excessive growth of an SiO2 interfacial layer between the gate insulator layer and a substrate. Excessive growth of the SiO2 layer results in an Effective Oxide Thickness that leads to increased leakage current in the MOSFET. Further, the replacement of polysilicon with metals as electrodes precludes oxygen exposure during processing. Consequently, the present invention provides replacing or preceding the reoxidation step with the deposition of an oxygen barrier layer over at least side walls of a gate electrode of the MOSFET, thereby providing a barrier for oxygen diffusion to the dielectric interface and metal gate electrode that prevents EOT increase and preserves metal gate electrode integrity.

The invention provides energy saving fireproof paint and a preparation method thereof. The energy saving fireproof paint comprises the following components in parts by weight: 20-30 parts of a fire retardant, 7-12 parts of a carburization agent, 7-12 parts of a foaming agent, 9-15 parts of an inorganic hollow material, 10-22 parts of titanium dioxide, 31-43 parts of a cross-linking agent, 3-5 parts of an anti-aging agent, 2-5 parts of magnesium hydroxide, and 2-5 parts of diatomite. The energy saving fireproof paint has the advantages of solar heat reflection, heat insulation, water resistance, and corrosion resistance, and the advantages are identical to the advantages of energy saving paint; at the same time the energy saving fireproof paint has the advantages of self-extinguishing, flame retardation, formation of a compact heat insulating protective layer by expansion during fire hazard, and the like, and the advantages are identical to the advantages of fireproof paint.

The invention relates to the technical field of functionalization and high performance of plastic pipes, in particular to a graphene modified oxygen-resistant polyethylene master batch and a preparation method and application thereof. The modified plastic master batch is composed of the following components: a polyethylene matrix, graphene, a second oxygen inhibitor, a coating agent, a surface treating agent, a dispersing agent and an antioxidant. According to the three-step production process, the mixing, dispersing and stripping effects of graphene in a polyethylene matrix are improved, thefilling proportion of graphene in the composite material is increased through organic combination of a new material, a new technology and a new method, and formation of a perfect network structure inthe composite material matrix is promoted. The oxygen barrier property of the composite material can be remarkably improved through good construction of a network, so that the application potential ofgraphene in the oxygen barrier pipe is brought into full play, and the pipe filled with the high-barrier graphene nanosheet layer structure is obtained.

The invention discloses a method for preparing a functional edible membrane on the basis of hemi-celluloses and chitosan. The method includes (1), mixing the chitosan and acetic acid solution with each other and heating and stirring the chitosan and the acetic acid solution to obtain chitosan solution; (2), mixing the hemi-celluloses and acetic acid solution with one another and heating and stirring the hemi-celluloses and the acetic acid solution to obtain hemi-cellulose solution; (3), preparing xylooligosaccharide solution by the aid of hemi-cellulose acid hydrolysis processes; (4), mixing the hemi-celluloses and the chitosan solution with one another, adding cellulose nanometer fiber solution into the hemi-celluloses and the chitosan solution, adding the xylooligosaccharide solution prepared at the step (3) into mixed liquid, stirring the mixed liquid at the room temperature, removing insoluble impurities by means of centrifuging, and carrying out ultrasonic degassing and standing to obtain composite membrane solution; (5), placing membrane-forming solution in culture vessels, placing the culture vessels in vacuum drying tanks and carrying out drying and membrane-forming. The method has the advantages that the functional edible membrane prepared by the aid of the method is high in mechanical strength and good in oxygen barrier performance, has antibacterial properties, healthcare functions and the like, and has a good application prospect in the aspects such as food packaging and oxidation resistance.

The invention relates to a biodegradable composite modified film / bag particle material and a preparation method thereof. The biodegradable composite modified film / bag particle material is prepared from a biodegradable polyester compound, a natural organic plant fiber material, oxidation modified high amylose, a composite plasticizer, a combined modifier, a functional aid, a modifier, modified carbon nanofibers and an inorganic filler. The particle material is obtained by melting reaction extrusion at 55-170 DEG C by virtue of a double-stage serial screw granulating unit, and carrying out mixing, reacting, extruding, cooling, cutting, drying, sterilizing and packaging. Various thin films, bags, disposable gloves, tablecloth, aprons, raincoats and other products are produced through universal equipment such as a film blowing machine and a casting machine unit. The adopted raw materials are rich in source, low in cost, simple in process and low in production cost.

The invention discloses a plastic master batch, and a preparation method and application thereof. The plastic master batch comprises a polymer matrix, graphene, a filling material, a coating agent, adispersant, an antioxidant, a crosslinking agent and an assistant crosslinking agent. Therefore, the plastic master batch has the characteristics of high thermal conductivity, high oxygen resistance,easiness in welding and uniform dispersion of graphene; and therefore, a capillary network prepared from the plastic master batch has the advantages of high thermal conductivity, high oxygen resistance and easiness in welding, so that cold and heat in a system are quickly transferred to the outside, efficient circulation of a medium is realized, energy waste is avoided, and popularization and application of a capillary network air conditioning system are facilitated.

The invention relates to the technical field of fruits and vegetables, in particular to a drying and processing method for improving the retention rate of carotenoid in pumpkins. Namely, the pumpkins are selected, cleaned and peeled, pulp and seeds are removed, the pumpkins are cut into slices of 4-6 mm, and then coating treatment is performed in a potato starch solution with the mass concentration of 2%-3% or a corn phosphate double-starch solution with the mass concentration of 0.5%-1.5% at the temperature of 80-85 DEG C for 5-15 minutes; drying treatment is performed in a vacuum microwave drying device after air drying, the microwave power is controlled to be 4-5 W / g, the vacuum degree is controlled to be 80-90 KPa, and the drying time is controlled to be 3-5 minutes; then freeze drying is performed, drying stops when the water content of the pumpkin slices is 3%-5%, and nitrogen filled packaging is conducted on products. The drying and processing method improves the retention rate of the carotenoids in the pumpkins to the most degree, the beta-carotene retention rate is 93% or above, the alpha-carotene retention rate is 94% or above, the lutein retention rate is 71% or above, and the provitamin A and color and luster of the products are kept well. In addition, by the adoption of the method, the drying time is saved, and the energy consumption of production is reduced.

The present invention relates to an easy-cutting nylon EVOH high-barrier film and a production method thereof. The nylon EVOH high-barrier film comprises a first PE film layer, a first adhesion film layer, a first PA film layer, a middle EVOH film layer, a second PA film layer, a second adhesion film layer and a second PE film layer, wherein the first PE film layer, the first adhesion film layer,the first PA film layer, the middle EVOH film layer, the second PA film layer, the second adhesion film layer and the second PE film layer sequentially contact and are molded through co-extrusion, thefirst PE film layer and the second PE film layer comprise metallocene polyethylene, linear polyethylene and high-pressure polyethylene, the first adhesion film layer and the second adhesion film layer comprise an adhesion resin, the first PA film layer and the second PA film layer comprise polyamide, and the middle EVOH film layer comprises an ethylene-vinyl alcohol copolymer. According to the present invention, the materials of each film layer are added to the material cylinder of a seven-layer co-extrusion film blasting machine, and melting, co-extrusion, film blasting and cooling shaping are performed to obtain the easy-cutting nylon EVOH high-barrier film; and the obtained easy-cutting nylon EVOH high-barrier film has advantages of extremely high barrier performance, excellent heat sealing performance and moderate friction coefficient, cannot produce adhesion and slipping during being cut, and is suitable for a high-speed packaging production line.

The invention discloses a processing method of a high barrier bacteriostatic starch-based composite material, belonging to the technical field of modern food processing. According to the processing method, common starch is taken as a raw material, and the high barrier bacteriostatic starch-based composite material is prepared by using technologies such as enzymatic debranching modification, multiplex blending polymerization and functional design recombinantion. The processing method is simple in production process, advanced in technology, high in safety, easy in control of process, and can realize continuous production; the product can be used as a biodegradable material and applied to multiple fields such as food, medicine and chemicals for daily use.

The invention discloses a polymer alloy oxygen blocking material, which is PO-LCP (Polyolefin-Liquid Crystal Polymer) alloy, wherein the alloy is prepared by melting and mixing the following components in percentage by weight: 95-15 percent of polyolefin resin, 4.9-84.3 percent of liquid crystal resin and 1-0.7 percent of compatibilizer. A preparation method comprises the following steps of: melting and plasticizing the LCP resin by an extruder by using a lateral feed two-section extrusion granulator; extruding melt of the resin into another extruder with a second feed port in the waist part in a duck-stuffing manner; converging the PO resin which is being melted, plasticized and extruded in the extruder with the compatibilizer melt; melting and mixing the three components; performing extrusion molding to form strips; and drawing, orientating, cooling and granulating to prepare PO-LCP alloy oxygen blocking material particles. The polymer alloy oxygen blocking material has wide application.

The invention relates to the technical field of cultivation of eatable fungi, and particularly relates to a method for industrially cultivating agaricus bisporus compost by using silage corn stalks. According to the method, silage corn stalks and manure as the main raw materials undergo pretreatment, mixing and stacking, and then undergo primary fermentation and secondary fermentation for preparation of the agaricus bisporus compost, wherein the silage corn stalks can be stored for longer time by adding treatment liquids such as zinc chloride and polyvinyl alcohol, are then fermented quickly by using a certain amount of nutrient substances, thereby saving 90 percent of water consumption for hay pre-wetting and reducing 18-20 percent of compost preparation cost; the yield is stable, the economic benefit is remarkable, and the yield of fresh eatable fungi reaches 25-30 kilograms per square meter.

The invention discloses a preparation method of a lemon and yellow peach jam, and the jam thereof. The preparation method of the lemon and yellow peach jam comprises the following steps of: weighing yellow peach pulp, lemon juice, high fructose syrup, white granulated sugar, a stabilizer, water, tartrazine pigment, potassium sorbate and yellow peach essence; dividing the yellow peach pulp into twosets according to the weight ratio of 3:2, wherein the part, which is 3 / 5 of the total weight of the yellow peach pulp, is the first set, juicing the first set of yellow peach pulp to obtain yellow peach syrup, and mixing with the lemon juice, the white granulated sugar and the high fructose syrup to obtain a mixture A; mixing the stabilizer, the tartrazine pigment, the potassium sorbate, the yellow peach essence and the mixture A to obtain a mixture B; putting the second set of yellow peach pulp in soybean protein membrane solution to immerse, taking out, and performing air drying; then, cutting into pieces, putting the cut yellow peaches in new soybean protein membrane solution to immerse again, taking out, and performing air drying to obtain a mixture C; and, putting the mixture C intothe mixture B, stirring, and filling to obtain the finished product. The preparation method in the invention has the advantage of preventing oxidation of yellow peach grains during processing.

The invention belongs to the technical field of natural polymer membrane materials and discloses an epoxidized soybean oil plasticized ethyl cellulose membrane and a method for preparing the same. The method comprises the steps of dissolving ethyl cellulose and epoxidized soybean oil in a solvent and obtaining a mixed solution after uniform mixing; pouring the mixed solution in a die to pour the mixed solution into the membrane, and obtaining the epoxidized soybean oil plasticized ethyl cellulose membrane. The membrane has good mechanical property, flexibility, folding resistance, breaking resistance, draining property, moisture resistance and oxygen resistance and does not burn, and can serve as a biodegradable membrane material and have wide application prospect in the fields of food preservation, packaging and medicines.

The invention relates to a microcapsule phase change energy storage material and a preparation method thereof. The preparation method comprises the following steps: dissolving a surfactant in deionized water, adding the phase change energy storage material, and stirring for reaction to form a core material emulsion; preparing a soluble barium salt solution, dropwise adding the soluble barium salt solution into the core material emulsion, and stirring for reaction to obtain a solid-liquid mixture; and filtering, washing and drying the obtained solid-liquid mixture to obtain the microcapsule phase change energy storage material. In the preparation process, the phase-change material emulsion drops are efficiently coated in a barium sulfate precipitation mode, and the prepared microcapsule phase-change energy storage material is complete in morphology and high in heat conductivity coefficient and flame retardance.

The invention relates to a flame-retardant fireproof coating material for a cable and a preparation method thereof. The material comprises the following components in parts by mass: 100 parts of an emulsion base material, 95-130 parts of a dehydrating agent, 35-40 parts of an expanding agent, 30-38 parts of a charring agent, 15-30 parts of expansible graphite, 5-10 parts of a metal oxide, 5-10 parts of ethylene bis stearamide, 5-10 parts of silicon dioxide and 80-130 parts of deionized water. The coating material prepared by the invention has a very high flame retardant efficiency. EBS adopted by the invention can effectively improve the dispersibility of a powder material, so that agglomeration is avoided; meanwhile, caking can be also prevented, and the water resistance and the dried surface smoothness of the coating material are improved. A test of a combustion property verifies that the flame-retardant fireproof coating material provided by the invention is superior to an existing product in performances of combustion time, heat release and smoke release.

The invention discloses a preparation method of a shepherd's-purse edible film, which comprises the steps of shepherd's-purse pretreatment, color-protecting treatment, pulping, preparation of thickener mixed liquor, preparation of mixed slurry, degassing, flow casting, drying, film uncovering, and the like. According to the invention, shepherd's-purse slurry is taken as a main base material, tapioca starch and fish gelatin are added as a thickener, and glycerol is added as a plasticizer, and through blending, the components are interacted so as to achieve the purpose of synergistic interaction, so that a shepherd's-purse edible film with good mechanical properties and barrier properties is obtained. Experimental results show that the thickness of the shepherd's-purse edible film is 0.09-0.15 mm, the tensile strength is 10.8-14.1 MPa, the elongation at break is 19.7-24.2%, the water vapor permeability is 16.8-21.5*10<-10> g / m.s.Pa, and the oxygen permeability is 8.3-10.5*10<-14> cm<3> / m.s.Pa. The shepherd's-purse edible film prepared according to the invention is wide in raw material source, low in cost and rich in nutrition, can be directly eaten, and can also be used as a skin packaging material of food.

The invention relates to a method for integrating a flexible perovskite solar cell on an aerostat capsule body. According to the invention, firstly, a flexible perovskite solar cell is directly manufactured on the surface of the skin material of an aerostat capsule body or a pre-manufactured flexible perovskite solar cell is fixed on the surface of the skin material of the aerostat capsule body. After that, the flexible perovskite solar cell is packaged. In this way, the flexible cell is integrated with the traditional capsule body material, so that an aerostat structure and an energy device are integrated as a whole. The flexible cell is integrated on the capsule body material, so that the weight of the aerostat is reduced. After the flexible cell is integrated onto the aerostat capsule body material, the aerostat can be folded and emitted. The flexible cell is packaged in a silicon oxide and silicon nitride inorganic-inorganic thin film packaging method, thus being better in water resistance, oxygen resistance and ultraviolet resistance. Therefore, the service life of the perovskite solar cell reaches more than five years.

The invention discloses a container blowing method. The container blowing method comprises the following steps of: (1) stretching a stretching rod into a bottle blank in a mold, stretching the bottleblank, and pre-blowing the bottle blank through low-pressure gas; (2) blowing the bottle blank into a bottle body through high-pressure gas; and at least one of the low-pressure gas and the high-pressure gas being a gas which can be ionized into plasma particles; and (3) ionizing the gas in the blow-molded bottle body, so that the plasma particles generated in the bottle body being deposited on the inner wall of the bottle body to form a coating. According to the container blowing method, equipment for coating after bottle body forming is omitted, and the cost is relatively low; the bottle body and the coating are formed at a time, so that the pollution risk increased by secondary processing is avoided; and the prepared bottle body has good light-blocking, oxygen-blocking and permeation-blocking properties, and can be used for filling beer and milk.

The invention relates to a preparation method of compost for Agaricus bisporus industrialized cultivation using silage corn stalks in the technical field of edible fungus cultivation. The invention provides a method for preparing compost for factory-cultivated A. biscuitus by taking silage corn stalks and dung as main raw materials, pretreating the raw materials, mixing them, stacking them, and then undergoing primary fermentation and secondary fermentation. Among them, after adding zinc chloride, polyvinyl alcohol and other treatment solutions to silage corn stalks, the storage time is prolonged, and appropriate nutrients are added to quickly germinate bacteria, saving 90% of the water consumption for forage pre-wetting, and reducing 18% to 20%. The preparation cost of compost is low, the output is stable, and the economic benefits are obvious. The output of fresh mushrooms reaches 25 kg-30 kg per square meter.

The invention discloses a method for preparing a functional edible membrane on the basis of hemi-celluloses and chitosan. The method includes (1), mixing the chitosan and acetic acid solution with each other and heating and stirring the chitosan and the acetic acid solution to obtain chitosan solution; (2), mixing the hemi-celluloses and acetic acid solution with one another and heating and stirring the hemi-celluloses and the acetic acid solution to obtain hemi-cellulose solution; (3), preparing xylooligosaccharide solution by the aid of hemi-cellulose acid hydrolysis processes; (4), mixing the hemi-celluloses and the chitosan solution with one another, adding cellulose nanometer fiber solution into the hemi-celluloses and the chitosan solution, adding the xylooligosaccharide solution prepared at the step (3) into mixed liquid, stirring the mixed liquid at the room temperature, removing insoluble impurities by means of centrifuging, and carrying out ultrasonic degassing and standing to obtain composite membrane solution; (5), placing membrane-forming solution in culture vessels, placing the culture vessels in vacuum drying tanks and carrying out drying and membrane-forming. The method has the advantages that the functional edible membrane prepared by the aid of the method is high in mechanical strength and good in oxygen barrier performance, has antibacterial properties, healthcare functions and the like, and has a good application prospect in the aspects such as food packaging and oxidation resistance.

The invention discloses a high-separation low-temperature sausage casing membrane. The sausage casing membrane adopts a seven-layer composite structure formed by a TPO membrane layer 1, a TIE membrane layer 2, a TGPA membrane layer 3, a TIE membrane layer 4, a PA membrane layer 5, a TIE membrane layer 2 and a PO membrane layer 4 from outside to inside. The high-separation low-temperature sausage casing membrane disclosed by the utility model has the beneficial effects of simple structure and good practicality.

The invention provides a vehicle-mounted perfume sticker which comprises a sticker carrier made of a transparent material, and a self-adhesive film set on the bottom face of the sticker carrier, wherein the sticker carrier is made of 5-10 parts by weight of Pulullan, 3-5 parts by weight of Spathiphyllum floribundum extracting solution, 2-4 parts by weight of crape myrtle extracting solution, 1-3 parts by weight of glycine betaine, 0.5-1 part by weight of cetyl alcohol and 20-30 parts by weight of distilled water. According to the invention, Pulullan is added. The Pulullan is easily dissolved in water, is safe, nonhazardous and edible and has good film-forming property and high oxygen resistance, so that the perfume sticker has a uniform texture, can be degraded biologically and brings low or no pressure to the environment; and the Spathiphyllum floribundum extracting solution and the crape myrtle extracting solution can purify air and have very high anti-pollution capacity.

The invention provides a water-tolerant blocking polyvinyl alcohol coating for coating and a preparation method thereof; the coating is prepared from the following raw materials in percentage by weight: 5-7% of polyving akohol, 0.01-0.05% of nanometer montmorillonite, 0.5-1% amino resin, 0.01-0.3% of catalytic agent, 0.01-0.1% of defoaming agent and 91-94% of deionized water; by adding the nanometer montmorillonite in the polyvinyl alcohol coating, after the modified coating is coated, the nanometer montmorillonite is dispersed in a polyving akohol coating in a layered structure so as to block gases such as oxygen and the like from flowing and diffusing so as to further increase the oxygen blocking performance of a polyving akohol coating membrane; and the coating is stable, has good coating adaptability, is simple in process and is suitable for industrial production.

The invention relates to a hexaphenyl phosphate ester melamine salt fire retardant and a method for preparing the same. Based on the molar ratio, the reaction ratio of diphenyl phosphorus oxychloride to melamine is (3.0-3.6):1.0, and the diphenyl phosphorus oxychloride comprises components of phenol, phosphorus oxychloride and anhydrous magnesium chloride in a ratio of (2.0-2.5):(1.0-1.4):(0.01-0.03). The preparation method comprises the following steps of: adding phosphorus oxychloride, anhydrous magnesium chloride and phenol respectively, performing continuous stirring reflux during reaction, and performing vacuum distillation after the reaction to obtain diphenyl phosphorus oxychloride; and adding the diphenyl phosphorus oxychloride and melamine, performing stirring reflux, and after the reaction, cooling the obtained product in an ice bath, and performing suction filtration, water washing and drying on the product to obtain the hexaphenyl phosphate ester melamine salt. The hexaphenyl phosphate ester melamine salt fire retardant prepared by the method has the advantages of low toxicity, less smoke, harmlessness, high efficiency, environmental friendliness and the like and leadsthe development trend of intumescent fire retardants in the future.