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163results about How to "High barrier" patented technology

Isolation laminated packaging material

ActiveCN101875420AThe number of layers increasesLayer thickness reductionFlexible coversWrappersInter layerIsolation layer
The invention discloses an isolation laminated packaging material, which comprises a base material layer component, a compound isolation layer component, an outer layer component or an inner layer component or an middle layer component, and a bonding layer component, wherein the base material layer component conducts a supporting function and at least contains a paper or polymer base layer; the compound isolation layer component is laminated on the inner side of the base material layer component, the compound isolation layer component at least comprises a repetitive unit prepared by layer-redoubling and co-extrusion which are realized by repeated cutting, re-lamination and convergence and a compound isolation layer at least containing two individual layers, at least one of the compound layers only contains two polymer components, and at least one component contains at least one isolation polymer; and the bonding layer component is used for bonding the component layers and all layers in the components. In the invention, the structure, performance and price of the packaging material are selected and designed by the selection of the component and the selection and design of the structure of each component, particularly the layer-redoubled co-extruded compound layer component. Compared with other conventional aluminum foil-free laminated packaging material, the isolation laminated packaging material has obvious advantages.
Owner:厦门天策材料科技有限公司

Anti-corrosion, anti-puncture and anti-short circuit melting through aluminum-plastic packaging film for lithium battery and manufacture method thereof

The invention discloses an anti-corrosion, anti-puncture and anti-short circuit melting through aluminum-plastic packaging film for lithium battery and a manufacture method thereof. The aluminum-plastic packaging film has a layer structure, comprises at least seven layers which are respectively to be a protecting layer A, an adhesive layer, a coating material layer, an aluminum foil layer, another coating material layer, another coating material layer and a heat-seal layer, and further comprises a protecting layer B arranged on the protecting layer A by the adhesive layer and/or a protecting layer C arranged between the coating material layer and the adhesive layer at the lower surface of the aluminum foil layer through another adhesive layer. According to the invention, the corrosion of electrolyte can be effectively stopped, the anti-puncture intensity, the tensile strength and the wear-resistant property of the aluminum-plastic film can be improved, the yield and the reliability of the battery can be improved, the heat-seal short circuit caused by the improper operation or the abnormal temperature of a machine during heat sealing can be completely avoided, and the service life of the battery can be greatly prolonged, so that the invention is high in reliability.
Owner:东莞市金恒晟新材料科技有限公司

Subnanometer enhanced and toughened transparent master batch and preparation method thereof

The invention discloses a subnanometer enhanced and toughened transparent master batch and a preparation method thereof. The subnanometer enhanced and toughened transparent master batch comprises the following components in percentage by weight: 70-85 percent of subnanometer powder, 1-5 percent of dispersing agent, 0.3-1 percent of lubricating agent, 1-3 percent of coupling agent, 0.3-0.5 percent of thermal stabilizing agent, 0.1-0.5 percent of antioxidant and 10-25 percent of carrier resin. The preparation method comprises the following steps of: putting the subnanometer powder into a high speed mixer, selecting a high gear for stirring and heating, adding the coupling agent and treating for three minutes, then adding other raw materials, discharging and cooling after the raw materials are evenly stirred and mixed by the high speed mixer, then crushing, and extruding and pelleting through an extruding and pelleting device. The invention solves the problem that the mechanical performance of a plastic film is reduced after the common master batch is used in the prior art, in particular the problem that the light transmittance and the transparency are reduced; the mechanical performance of a film product is improved at the same time of reducing the cost; meanwhile, the invention achieves the purposes of enhancing and toughening and can be used in the fields of foods and medicines.
Owner:宁波益可达新材料有限公司

Blocking thermoplastic polyurethane (TPU)/functional graphite oxide composite film and preparation method thereof

The invention discloses a blocking thermoplastic polyurethane (TPU)/functional graphite oxide composite film and a preparation method thereof. The method comprises the following steps: firstly, preparing graphene oxide by adopting an improved hummers method, and then carrying out organic modification on the graphite oxide by using different fluorine ketone diisocyanate to obtain functional graphite oxide; finally, compositely building a film on a film coating machine by using the functional graphite oxide and TPU. By adopting the composite material film prepared by the method disclosed by the invention, the functional graphite oxide can be evenly dispersed into a TPU substrate as a good impermeable material, so that the composite film has good ability of blocking small molecule materials such as vapor, oxygen and the like, the barrier property is greatly enhanced, the mechanical property is also definitely improved, the film is good in transparency, and he blocking TPU/functional graphite oxide composite film can be widely applied to the fields such as food packaging and drug packaging encapsulation materials and the like. The blocking TPU/functional graphite oxide composite film is scientific and reasonable in preparation method, simple in process, and strong in maneuverability, and industrial production can be carried out on a large scale.
Owner:福建宸琦新材料科技有限公司

Aminated graphene oxide/high-density polyethylane nano composite membrane and preparation method thereof

The invention discloses an aminated graphene oxide/high-density polyethylane nano composite membrane and a preparation method thereof, which belong to the technical field of high-molecular composite material. A technical scheme is characterized in that graphene oxide and lauryl amine are reacted to prepare the aminated graphene oxide, the aminated graphene oxide and high density polyethylane powder are fully mixed in xylene to prepare a fluid suspension, pumping filtration under vacuum and drying processes are carried out on the fluid suspension, melting hot-pressing treatment is carried out, so that the aminated graphene oxide/high-density polyethylane nano composite membrane is prepared. According to the invention, technology is simple, cost is low, a polymer is not required for being dissolved, and interface compatibility of between the nano composite membrane and a polar polymer/a non-polar polymer can be effectively increased. Simultaneously, a shell-core isolation structure which is characterized in that the aminated graphene oxide is taken as a shell and high density polyethylane is taken as a core can be formed through high-temperature hot pressing, gas permeable area can be greatly reduced, gas diffusion path can be obviously complicated, and the gas barrier property of the material can be obviously increased.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Nano aqueous interior wall heat insulation paint and preparation method thereof

The invention provides a nano aqueous interior wall heat insulation paint and a preparation method thereof, which belong to the technical field of production of aqueous paint. The nano aqueous interior wall heat insulation paint comprises the following components in percentage by weight: 20 to 35 percent of emulsion, 20 to 30 percent of nano calcium carbonate, 8 to 16 percent of nano oxide composition, 0.2 to 2 percent of thickening agent, 0.5 to 2 percent of wetting and dispersing agent, 0.1 to 0.5 percent of antifoaming agent, 0.5 to 2 percent of anti-freezing agent and the balance of water. The preparation process comprises the following steps of: uniformly stirring the water, the dispersing agent, glycol and half the antifoaming agent at a low speed, sequentially adding the nano calcium carbonate and the nano oxide composition with stirring; uniformly stirring the nano calcium carbonate and the nano oxide composition and uniformly dispersing the mixture by shearing the mixture on a multifunctional disperser at a high speed; slowly adding the emulsion dropwise at a low stirring speed; subsequently adding the remaining antifoaming agent and the thickening agent; and uniformly stirring and mixing the mixture at the low speed. The heat insulation paint of the invention comprises the water serving as a solvent, does not contain an organic solvent, and has the advantages of low VOC content, simple preparation process and wide application.
Owner:CHINA MCC17 GRP

Water-based high-barrier coating liquid and production method thereof

InactiveCN110305540AImprove poor dispersionAvoid secondary reunionsCoatingsWater basedDispersity
The invention discloses water-based high-barrier coating liquid and a production method thereof. The water-based high-barrier coating liquid comprises 0.5-15 parts of a hydroxy group-containing water-soluble polymer, 0.1-15 parts of a nanometer oxide, 0.01-10 parts of graphene, 0.01-5 parts of an organic siloxane coupling agent, 0.1-30 parts of 0.1-mol/L diluted hydrochloric acid and 30-95 parts of a solvent. According to the water-based high-barrier coating liquid and the production method thereof, nanometer oxide particles produced through a sol-gel method are used as a small-size polymerization inhibitor, and are loaded onto the surfaces of the graphene by means of physical adsorption, and polymerization among the graphene can be inhibited, so that the problem of poor dispersity of thegraphene is solved; and by using cross linking of the nanometer oxide and the water-soluble polymer, the synergistic enhanced barrier action of the graphene/polymer on gas is given full play to. Moreover, a process of the production method of the water-based high-barrier coating liquid is simple and easy to implement, and a produced film material has good mechanical performance and package printing performance at the same time, and can be applied to a wide variety of fields of medicines, food, electronic product packaging, encapsulation and the like.
Owner:CHINA LUCKY FILM CORP

Environment-friendly high-barrier packaging paper and preparation method thereof

The invention discloses environment-friendly high-barrier packaging paper and a preparation method thereof. The packaging paper comprises a base paper body and a coating applied on the surface of the base paper body; coating liquid is uniformly applied on the surface of the base paper body and single-sided coating is adopted; after coating is completed, the coated paper is immediately put into a drying box for drying; finally, the dried coated paper is placed in a constant-temperature and constant-humidity box for rewetting treatment, and the packaging paper is obtained. The base paper body prepared by mixing plant fiber and mucor fiber not only has high physical strength and good hydrophobic performance, but also is free of toxics, environmentally friendly and easy to degrade. By coating the surface of the base paper body with the coating liquid, the coating liquid fills paper fiber gaps, a dense film is formed on the surface of the paper, and the physical strength and barrier performance of the packaging paper are improved. An antibacterial agent in the coating liquid can make the packaging paper endowed with good antibacterial performance, and the packaging paper which is easy to degrade, free of toxics, environmentally friendly, good in antibacterial performance and high in barrier performance is prepared.
Owner:ANHUI SHUNTONG PACKAGING MATERIAL
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