45results about How to "Load and secure" patented technology

The invention discloses a preparing method of an antibacterial polylactic acid material. The method comprises the steps of 1, dispersing antibacterial compound into lactic acid, preparing solution with a concentration of 0.1-2g/L, conducting ultrasonic agitation (500-800W ultrasonic power at a rate of agitation of 500-800rpm) for 60-90min to obtain antibacterial lactic acid solution; 2, placing the antibacterial lactic solution into a vacuum oven at a temperature of 50-80 DEG C to vacuum dry for 24-36h until no redundant water is in the mixed liquor; obtaining the antibacterial polylactic acid material through direct condensing method. According to the antibacterial compound method, grapheme quantum dots after laser irradiation are adopted as the carrier of silver, then covered with silicon dioxide lamella for surface treatment, and finally adhered on porous grapheme, which can better load and fix silver nano particles, prevent the silver nano particles from agglomeration and remarkably improve the stability of the silver nano particles and enable longer antibacterial activity of the silver nano particles; application of the antibacterial compound on polylactic acid fiber film enables lasting and effective antibacterial activity and properties of high stability, broad-spectrum antibacterial and biodegradation.

The invention discloses a functional synthetic fiber capable of removing formaldehyde and preparation and application of the fiber. Rod-like zinc oxide is adopted as a vector, loaded with a halogen bismuth oxide, and then added to a synthetic fiber by adopting a fusing method, so as to obtain the functional synthetic fiber capable of removing the formaldehyde. The functional synthetic fiber has the advantages and effects that (1) the rod-like zinc oxide is adopted as the vector, so that the agglomeration of the halogen bismuth oxide can be prevented, and the catalyst activity is obviously improved; (2) the rod-like zinc oxide is taken as the vector, loaded with a halogen bismuth oxide visible-light-driven photocatalyst, and then fused and added to the synthetic fiber, so that the problems of recovery and reutilization of the visible-light-driven photocatalyst can be solved, the functional synthetic fiber has the reusability, the secondary pollution can be avoided, and the cost is reduced; (3) the obtained functional synthetic fiber has the visible-light catalytic activity, and can play a role of removing the formaldehyde under irradiation of visible light, so as to prepare curtains, clothes, textiles and the like with the effect of removing the formaldehyde. Thus, the application range of the synthetic fiber is further expanded.

The invention discloses a preparation method of an antibacterial composite fiber membrane. The preparation method comprises the following steps: (1) preparing an antibacterial spinning solution, namely, weighing a proper amount of polyethylene glycol 400 and putting the polyethylene glycol 400 into a conical flask with a plug; raising the temperature to 50 DEG C and adding dichloromethane, wherein the volume ratio of the dichloromethane to the polyethylene glycol is 7 to 2; adding PLLA (Poly L Lactic Acid) with the molecular weight of 100000 and stirring by a magnetic force for 2 h at a room temperature; stirring at the speed of 100 rpm-300 rpm and dropwise adding an antibacterial compound dispersion solution with the concentration of 0.01mol/l-0.1mol/l; further stirring for 30 min-40 min to prepare the antibacterial spinning solution; and (2) carrying out electrostatic spinning to prepare the antibacterial composite fiber membrane. A specially prepared antibacterial compound is applied to a polylactic acid fiber membrane, so that the fiber membrane has lasting and effective antibacterial activity, good air permeability, high stability, broad-spectrum antibacterial property and biodegradable property.

The invention discloses an antimicrobial composite material and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a graphene quantum dot suspension; (2) preparing zinc oxide-loaded graphene quantum dots; (3) preparing silver-loaded graphene quantum dots coated by SiO2; (4) preparing silver/titanium dioxide-loaded graphene quantum dots; (5) surface treatment; (6) preparing an antibacterial composite material. According to the method, firstly, the zinc oxide-loaded graphene quantum dots and the silver/titanium dioxide-loaded graphene quantum dots are prepared respectively and then the surface treatment is conducted. Finally, the above two types of graphene quantum dots are adhered onto the porous graphene. Therefore, silver and zinc oxide can be better loaded and fixed. The agglomeration of silver and zinc oxide is avoided, and the stability of silver and zinc oxide is improved remarkably. As a result, the antibacterial activity of silver nanoparticles and zinc oxide lasts for a longer period of time.

The invention discloses a preparation method of PET/PTT alloy capable of purifying air. A used antibacterial compound uses graphene quantum dots obtained after laser irradiation as carriers of antibacterial agents, surface treatment is carried out, and attachment to porous graphene is finally carried out, so that silver nanoparticles and other antimicrobial agents can better loaded and fixed, agglomeration thereof is prevented, the stability of the antimicrobial agents is significantly improved, and thus the PET/PTT alloy has more long-lasting antibacterial activity; meanwhile, diatomaceous earth can adsorb harmful gases in air, especially formaldehyde, so that the PET/PTT alloy also has an air purifying effect besides an antibacterial effect. Through reasonable collocation of a diatomite/antimicrobial composite material and diatomite/porous carbon and under a synergistic action of functional additives, the alloy has excellent antibacterial and formaldehyde-resistant characteristics, multifunctional needs are met, and thus the application of the PET/PTT alloy capable of purifying air is further widened.

The invention discloses a porous graphene silver-loaded antibacterial composite material and a preparation method thereof. The preparation method comprises the following steps: (1) preparing graphene quantum dot suspension liquid; (2) preparing silver-loaded graphene quantum dots; (3) preparing SiO2 coated silver-loaded graphene quantum dots; (4) carrying out surface treatment on the SiO2 coated silver-loaded graphene quantum dots; and (5) preparing the antibacterial composite material. The method disclosed by the invention takes laser irradiated graphene quantum dots as carriers of silver, and the silver is coated with silicon dioxide thin layers; finally, the silver is attached to porous graphene, so that silver nanoparticles can be loaded and fixed very well and are prevented from being agglomerated; the stability of the silver nanoparticles is remarkably improved so that the silver nanoparticles have relatively long-acting antibacterial activity; and meanwhile, the safety is improved, the utilization cost is reduced and the porous graphene silver-loaded antibacterial composite material has a wide application prospect in industrial application.

The invention discloses a formaldehyde-removing gravure water-based ink and a preparation method thereof. The formaldehyde-removing gravure water-based ink is prepared from the following components in percentage by weight: 70-75% of water-soluble resin, 10-15% of deionized water, 5-10% of water-based organic pigment, 3-6% of ethanol, 0.5-1% of diatomite/antimicrobial composite, 1-2% of dispersing agent, 0-1% of retarder, 0.5-1% of water-based leveling agent, 0.5-1% of water-based wax emulsion, 0.5-1% of diatomite/inorganic oxide, 0.5-1% of organic amine and 0.5-1% of defoaming agent. By reasonably matching the diatomite/antimicrobial composite material and diatomite/inorganic oxide under the synergistic actions among the functional additives, the ink has the excellent antimicrobial, anti-formaldehyde and deodorizing characteristics, and satisfies the demands for multiple functions, thereby further widening the applicability of the ink.

The invention discloses a formaldehyde-removing resin composite material and a preparation method thereof. The method includes the steps of firstly, performing amination preprocessing on polyacrylonitrile macroporous resin; secondly, adding the polyacrylonitrile macroporous resin of the first step into a diatomite/porous carbon dispersing solution, performing ultrasonic stirring, standing for 60 minutes, and drying under 60-80 DEG C to obtain the formaldehyde-removing resin composite material, wherein antibacterial composite materials account for 0.5-1% of the total weight of the polyacrylonitrile macroporous resin, and diatomite/porous carbon accounts for 0.5-1% of the total weight of the polyacrylonitrile macroporous resin. The formaldehyde-removing resin composite material and the preparation method thereof have the advantages that diatomite and the antibacterial composite materials are reasonably coordinated to allow the resin material to have excellent antibacterial and formaldehyde-removing performance, the requirements of the multifunctional resin material are satisfied, and the application of the resin material is further expanded.

The invention discloses a preparation method for a deodorant glass fiber reinforced plastic packing box. According to an antibacterial composite used by the packing box, graphene quantum dots obtained after laser irradiation serve as carriers of antibacterial agents, surface treatment is conducted, the graphene quantum dots are attached to porous grapheme finally and can load and fix silver nanoparticles and other antibacterial agents better, agglomeration of the antibacterial agents is prevented, the stability of the antibacterial agents is improved significantly, and thus the antibacterial agents have more long-acting antibacterial activity. According to the preparation method, through reasonable matching of kieselguhr/the antibacterial composite and kieselguhr/ inorganic oxide and the synergistic effect of function additives, and then epoxy resin used in the glue injection step is added and modified into antibacterial glue. In this way, after glue injection, a body has antibacterial performance from inside to outside, thus the antibacterial performance and antibacterial stability and durability of the packing box are promoted, meanwhile, the formaldehyde-removal performance and deodorant performance are further achieved, the multifunctional requirements are met, and application of the packing box is further broadened.

The invention discloses a method for preparing a photochromic PET/PTT alloy. The photochromic PET/PTT alloy comprises, by weight parts, 50-60 parts of PET, 10-30 parts of PTT, 2-5 parts of SMA, 5-6 parts of MBS, 1-5 parts of diatomaceous earth/anti-bacterial compound undergoing surface treatment by a coupling, 1-3 parts of diatomaceous earth/inorganic oxide undergoing surface treatment by a coupling, 1-3 parts of photochromic compound, 0.5-2 parts of nano silica, 0.1-0.5 part of antioxidant and 0.1-1 part of lubricant. By reasonable matching of the photochromic compound, the diatomaceous earth/anti-bacterial compound and the diatomaceous earth/inorganic oxide and through synergistic effects between function additives, the photochromic PET/PTT alloy has excellent anti-bacterial, anti-formaldehyde and deodorization characteristics and photochromic characteristics and meets multifunctional requirements, and the application of the photochromic PET/PTT alloy is further broadened.

The invention discloses a preparation method of an antimicrobial and radiation-proof glass fiber reinforced plastic packaging box. The preparation method comprises the following steps: (1) according to the size of the packaging box, manufacturing a mould; (2) performing composite fixing by using resin to form a fiber reinforced layer; (3) laying reinforcing ribs; (4) laying fiber cloth to form a first composite layer; (5) forming a second composite layer; (6) injecting antibacterial/radiation-proof plastic through vacuum injection; (7) curing; (8) demoulding to obtain the radiation-proof glass fiber reinforced plastic packaging box. Through reasonable collocation of a photochromic compound, a diatomite/antimicrobial composite material and diatomite/nano bamboo charcoal and under a synergistic action of functional additives, epoxy resin used in a plastic injecting step is added and the epoxy resin is modified into the antibacterial/radiation-proof plastic, so that the box body has antibacterial performance from the inside to the outside, and thus the antibacterial performance, the antibacterial stability and the antibacterial persistence of the packaging box are improved; meanwhile, the packaging box further has radiation-proof and photochromic characteristics, multifunctional needs are met, and thus the application of the packaging box is further widened.

The invention discloses a resin composite material and a preparation method thereof. The method comprises the following steps that amination pretreatment and nanocarbon modification are conducted on polyacrylonitrile macroporous adsorption resin; the polyacrylonitrile macroporous adsorption resin is added into an antibacterial composite material dispersing solution, ultrasonic stirring and standing are conducted in sequence, drying is conducted at the temperature of 60 DEG C to 80 DEG C, and then the resin composite material can be obtained, wherein the weight of an antibacterial composite material accounts for 0.5%-1% of the total weight of the polyacrylonitrile macroporous adsorption resin. According to the resin material, the excellent antibacterial property is achieved, graphene quantum dots irradiated by a laser are adopted as carriers of silver, then the carriers are coated with silicon dioxide thin layers and titanium dioxide, surface treatment is conducted, silver is attached to porous graphene finally, therefore, silver nanoparticles and nano-titanium dioxide can be better loaded and fixed to the carbon-modified resin, agglomeration of the silver nanoparticles and nano-titanium dioxide is prevented, the stability of the silver nanoparticles and the like is significantly improved, and the more long-acting antibacterial activity is achieved; meanwhile, the antibacterial properties of the silver particles and titanium dioxide are combined, and compared with a single nano-silver antibacterial agent, the better and lasting antibacterial effects are achieved.

The invention discloses a preparation method of a polylactic acid antimicrobial formaldehyde-removing master batch. The method comprises the following steps: (1) pretreating a polylactic acid raw material; (2) dissolving half of the pretreated polylactic acid in an organic solvent, dropwisely adding an antimicrobial composite water dispersion under the action of ultrasonic agitation, carrying out ultrasonic agitation, and carrying out spray drying to obtain an antimicrobial master batch; (3) dissolving the other half of the pretheated polylactic acid in an organic solvent, dropwisely adding a diatomite/inorganic oxide water dispersion under the action of ultrasonic agitation, carrying out ultrasonic agitation, and carrying out spray drying to obtain a formaldehyde-removing master batch; and (4) uniformly mixing the two master batches to obtain a mixture, and granulating to obtain the polylactic acid antimicrobial formaldehyde-removing master batch. By reasonably matching the diatomite/inorganic oxide and antimicrobial composite material under the synergistic actions among the functional additives, the polylactic acid master batch has the excellent antimicrobial and deodorizing properties and anti-formaldehyde characteristics, and satisfies the demands of the multifunctional polylactic acid master batch, thereby further widening the applicability of the polylactic acid master batch.

The invention discloses a preparation method of a deodorizing fiberglass packaging box. The preparation method comprises the following steps: (1) according to the size of the packaging box, manufacturing a mould; (2) compounding and fixing to form a fiber reinforced layer by using resin; (3) laying reinforcing ribs; (4) laying fiber cloth to form a first compound layer; (5) forming a second compound layer; (6) injecting antibacterial glue under vacuum; (7) curing; (8) demoulding to obtain the deodorizing fiberglass packaging box. Through reasonable matching of a diatomite/antibacterial composite material and diatomite/inorganic oxide, a synergistic effect between functional additives is achieved; then, epoxy resin used in the glue injecting step is injected and is modified into the antibacterial glue, so that after glue injection, the box body has the antibacterial performance from the inside to the outside, and thus the antibacterial performance and the antibacterial stability and persistence of the packaging box are improved; meanwhile, the packaging box has anti-formaldehyde and deodorant characteristics, meets multifunctional needs, and further widens application of the packaging box.

The invention discloses a preparation method of water-soluble deodorizing ink. The preparation method includes following steps: (1), preparing a diatomite/antibacterial compound; (2), adding a styrene-acrylic emulsion into a container, stirring while dropwise adding a water solution of the diatomite/antibacterial compound, and stirring to obtain an antibacterial dispersion solution; (3), adding an EVA emulsion into the container, stirring while dropwise adding a diatomite/inorganic oxide water solution, and continuing stirring for 30-60 min to obtain a formaldehyde removing dispersion solution; (4), mixing the antibacterial dispersion solution with the formaldehyde removing dispersion solution, adding deionized water, alcohol ester-12, PE waterborne wax, varnish, a waterborne leveling agent, a waterborne defoamer and a nonionic surfactant into a dispersion kettle, and stirring to obtain the water-soluble deodorizing ink. By reasonably matching a diatomite/antibacterial composite material and diatomite/inorganic oxide and through synergism among functional additives, the ink has excellent antibacterial, anti-formaldehyde and deodorizing characteristics and meets multifunctional needs, and application range of the ink is further expanded.

The invention discloses photochromic gravure water-based ink and a preparation method thereof. The photochromic gravure water-based ink is prepared from, by weight, 70%-75% of water soluble resin, 10%-15% of deionized water, 5%-10% of water-based organic pigment, 3%-6% of ethyl alcohol, 0.5%-1% of kieselguhr/antibacterial compound, 1%-2% of dispersing agent, 0%-1% of slow drying agent, 0.5%-1% of water-based flatting agent, 0.5%-1% of water-based wax emulsion, 0.5%-1% of kieselguhr/inorganic oxide, 0.5%-1% of organic amine, 0.5%-1% of antifoaming agent and 0.1%-2% of photochromic compound. The ink has excellent antibacterial, anti-formaldehyde and deodorization properties and photochromic properties and meets the need for multiple functions, and the application range of the ink is further widened.

The invention discloses a preparation method of a glass fiber reinforced plastic packaging box capable of purifying formaldehyde. The preparation method comprises the following steps: (1) manufacturing a mold according to the size of the packaging box; (2) compounding and fixing by resin to form a fiber reinforced layer; (3) paving reinforcing ribs; (4) paving fiber cloth to form a first composite layer; (5) forming a second composite layer; (6) injecting antibacterial glue under the vacuum condition; (7) curing; and (8) demolding to obtain the glass fiber reinforced plastic packaging box capable of purifying the formaldehyde. A diatomite/antibacterial composite material and diatomite/porous carbon which are matched reasonably, and functional additives with synergistic effect are added in epoxy resin used in the glue injecting process, and the epoxy resin is modified into the antibacterial glue, so the box body has antibacterial property from inside to outside, and the antibacterial property and the antibacterial stability and durability of the packaging box are improved; meanwhile, the packaging box has formaldehyde resistance and meets multifunctional requirements.

The invention discloses a preparation method of an anti-radiation PET/PTT alloy. The anti-radiation PET/PTT alloy is prepared from the following raw materials by weight: 50 to 60 parts of PET, 10 to 30 parts of PTT, 2 to 5 parts of SMA, 5 to 6 parts of MBS, 1 to 5 parts of a diatomite/antimicrobial composite subjected to coupling reagent surface treatment, 1 to 5 parts of nano-bamboo charcoal subjected to coupling reagent surface treatment, 1 to 3 parts of a photochromic composite, 0.5 to 2 parts of nano-silica, 0.1 to 0.5 part of an antioxidant and 0.1 to 1 part of a lubricant. Due to reasonable combination of the photochromic composite, the diatomite/antimicrobial composite and nanometer bamboo charcoal, and synergy of functional additives, the anti-radiation PET/PTT alloy has excellent antibacterial, anti-formaldehyde and anti-radiation characteristics, and also has a photochromic characteristic, so as to meet multi-functional requirements and further broaden the application of the anti-radiation PET/PTT alloy.

The invention discloses anti-radiation gravure water-based ink and a preparing method thereof. The anti-radiation gravure water-based ink is prepared from, by weight, 70-75% of water-soluble resin, 10-15% of deionized water, 5-10% of water-based organic pigment, 3-6% of ethyl alcohol, 0.5-1% of kieselguhr/antibacterial composition, 1-2% of dispersant, 0-1% of slow drying agent, 0.5-1% of water-based flatting agent, 0.5-1% of water-based wax emulsion, 1-2% of nano bamboo charcoal, 0.5-1% of organic amine, 0.5-1% of defoaming agent and 0.1-2% of photochromic composition. The ink has excellent antibacterial and radiation resistance, has photochromic characteristic and meets the multifunctional requirement, and application of the ink is further broadened.