Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

331results about "Metal coatings" patented technology

Paper-based flexible packaging material with high barrier properties and a process to produce it

The present invention relates generally to the field of polymer dispersion coated, paper-based flexible packaging materials. In particular, the present invention relates to improving the barrier properties of polymer dispersion coated 5 paper-based flexible packaging materials. Embodiments of the present invention relate to a process for improving the barrier properties of polymer dispersion coated paper-based flexible packaging materials comprising the step of applying an Al2O3 coating to at least one surface of the dispersion coated paper-based flexible packaging materials, for example by using atomic layer deposition; and an Al2O3-coated paper material 10 obtainable by such a process.
Owner:SOCIETE DES PRODUITS NESTLE SA

Flexible packaging layer material comprising a paper layer, a large-area barrier layer, and an additional localised barrier coating

The invention relates to a packaging layer arrangement (10) for producing a packaging container, the packaging layer arrangement comprising: - a paper layer (12) as a carrier layer; - a metal-based barrier layer (22) carried by the paper layer (12); and - a sealable barrier layer (24) arranged on the side of the metal-based barrier layer (22) facing away from the paper layer (12). According to the invention, a sealable additional barrier coating (26) is arranged only locally on the sealable barrier layer (24) in at least one additional barrier surface region (29), wherein the additional barrier surface region (29) is smaller than the area of extent of the sealable barrier layer (24), meaning that at least one further surface region (31) of the sealable barrier layer (24) is free from the additional barrier coating (26).
Owner:HUHTAMAKI FLEXIBLE PACKAGING GERMANY GMBH & CO KG

Aerosol-generating article with laminated wrapper

An aerosol-generating article is provided, including: an aerosol-forming substrate including plant material cut filler and between about 6 percent and about 20 percent of an aerosol-former, the plant material cut filler including at least 25 percent of plant lamina per weight of total plant material; and a laminated wrapper including a heat conductive layer and a heat insulating layer, the laminated wrapper being arranged at least partly wrapped around the aerosol-forming substrate and having a thickness of between 30 micrometers and 100 micrometers, and the heat conductive layer and the heat insulating layer overlapping along an axial direction of the aerosol-generating article.
Owner:PHILIP MORRIS PRODUCTS SA

A method for manufacturing a barrier layer for a paper or paperboard based packaging laminate

The present invention relates to a method for manufacturing a barrier layer for a paper or paperboard based packaging laminate. said method comprising: a) providing a barrier substrate comprising at least 50 wt % highly refined cellulose pulp (HRC) based on dry weight of the barrier substrate. said HRC having a Schopper-Riegler (SR) number above 80 as determined by standard ISO 5267-1, b) providing a transfer coating substrate comprising a vacuum coating layer and a backing layer separated by a release layer, and c) transferring the vacuum coating layer from the backing layer to the barrier substrate by a transfer coating process using an adhesive layer applied on the barrier substrate and / or the vacuum coating layer to obtain a barrier layer for a paper or paperboard based packaging laminate.
Owner:STORA ENSO OYJ

Gas barrier laminate, method for manufacturing same, and packaging bag

A gas barrier laminate according to one aspect of the present disclosure is a gas barrier laminate including a paper base material, a first resin layer, a vapor-deposited layer, and a second resin layer in this order, in which the gas barrier laminate has a density of 0.9 g / cm3 or higher and 1.5 g / cm3 or lower, and a dimensional change percentage in a CD direction of a dimension under conditions of 40° C. and 90% RH with respect to a dimension under conditions of 40° C. and 20% RH of the gas barrier laminate is 0.8% or less.
Owner:TOPPAN HOLDINGS INC

A barrier film for a packaging material and a packaging material

PendingUS20250206509A1Flexible coversWrappers
A barrier film (1) for a paper or paperboard-based packaging material, said barrier film comprising a, MFC layer, (2) with a grammage in the range 20-100 g / m2, and a density higher than 650 kg / m3. The barrier film further comprises a PHA, dispersion coated, primer layer (3, 9) coated on at least one side of the MFC layer, wherein the primer layer has a coating weight 0.5-12 g / m2; the primer layer (3, 9) comprises a PHA type selected from the group consisting of PHB, PHBV, PHBH, P(3HB4HB), other co-polymers of PHB, other homopolymers such as PHO, PHH, P3HP, and combinations thereof; and a thin vacuum deposited layer (4) coated on a first primer layer (3) which vacuum deposited layer has a thickness of 20-500 nm, the vacuum deposited layer comprises material selected from the group consisting of aluminum, magnesium, silicon, copper, aluminum oxides, magnesium oxides, silicon oxides and combinations thereof, preferably aluminum oxides.
Owner:STORA ENSO OYJ

Method for producing vacuum metallized paper

The present invention relates to a method for producing a vacuum metallized paper, comprising: a) providing a paper substrate, the paper substrate comprising 0.3-60 kg / ton of a wetting agent, based on a total dry weight of the paper substrate, b) applying a precoat layer to the paper substrate, and c) applying a vacuum metallized layer to the precoat layer to provide a vacuum metallized paper. The present invention further relates to a vacuum metallized paper.
Owner:STORA ENSO OYJ

Metamaterial honeycomb and preparation method thereof

The invention discloses a metamaterial honeycomb and a preparation method thereof, and relates to the technical field of aramid paper honeycombs. The preparation method of the metamaterial honeycomb comprises the following steps: carrying out electromagnetic modification on aramid paper, gluing and ablating, overlapping, pressing, stretching and shaping, and pre-curing, so as to obtain the metamaterial honeycomb after the target density is reached. According to the method, the aramid paper honeycomb is modified from the source, the surface of the aramid paper is coated with the alloy material to serve as the electromagnetic function layer to modulate electromagnetic waves, broadband wave absorption can be achieved, the wave absorption performance can be designed and is better than that of a conventional wave absorption honeycomb, and the application range is wide. The density of the wave-absorbing honeycomb can be greatly reduced, the excellent wave-absorbing performance is achieved, and meanwhile the reflectivity difference in the TE direction and the TM direction is reduced, so that the limitation of the reflectivity difference of the honeycomb on the product design is reduced.
Owner:SHENZHEN KUANG CHI GANG DA INNOVATIVE TECH LTD

Preparation of Rigid Hydrogels Based on Multi-branched Epoxy Oligopolymer Crosslinked Polyurethane and Their Application in Moisture-locking and Fragrance-preserving Packaging Materials

This invention belongs to the field of polymer materials technology and relates to a method for preparing a rigid hydrogel based on multi-branched epoxy oligomer crosslinked polyurethane. The method includes: weighing a polyurethane prepolymer, stirring and heating to 60-90°C, slowly adding a multi-branched epoxy oligomer dispersion, and reacting for 1-5 hours; determining the theoretical content of isocyanate groups using the di-n-butylamine method, and adjusting the system temperature to 35-55°C after reaching the theoretical value, and slowly adding a salting agent; cooling to room temperature, and removing the solvent by vacuum distillation using residual heat during the cooling stage; adding deionized water, and stirring until a white emulsion is obtained. This invention also applies the prepared rigid hydrogel to moisture-locking and fragrance-preserving packaging materials. The rigid hydrogel prepared by this invention exhibits stronger rigidity due to the introduction of a branched framework in its structure. When combined with aluminized paper, it forms a composite paper with moisturizing properties and excellent water absorption, making it widely applicable in the field of moisture-locking and fragrance preservation technology.
Owner:YANGZHOU XIANGHUA NEW MATERIAL TECH CO LTD

Method for growing zinc-catecholate frameworks on bio-fibers and their electronic applications

The present invention provides a facile heteroepitaxial method for growing conductive zinc-catecholate frameworks on bio-fibers with biomimetic connections, which is beneficial to fabricate biocompatible and high-performance photodetectors and chemiresistors, and the corresponding bio-fiber based metal-organic framework. In this method, a conductive layer is first introduced on the surface of polysaccharide bio-fibers, before well-aligned zinc oxide nanoarrays were densely constructed on the bio-fibers by a physiological coagulation mechanism. The obtained fibrous materials may be used in devices, including in electronic components, having the advantages of good stability, environmental-friendly, flame retardancy, and high response.
Owner:QINGDAO UNIV

Moisture-proof moisture-retaining frame paper and preparation method thereof

The invention discloses moisture-proof and moisture-retaining frame paper and a preparation method thereof, and relates to the technical field of frame paper.The moisture-proof and moisture-retaining frame paper comprises a body paper layer, the body paper layer is provided with a water-based moisture-retaining coating, the water-based moisture-retaining coating is formed by drying coated water-based moisture-retaining coating liquid, and the water-based moisture-retaining coating liquid is coated on the body paper layer. A composite aluminum foil layer or a transfer aluminum plating layer is also arranged on the water-based moisture-retaining coating; the water-based moisture-retaining coating liquid comprises starch, acrylic acid, organic bentonite, alkali, an initiator, a cross-linking agent and distilled water; wherein the mass ratio of the starch to the acrylic acid to the organic bentonite is (7-8): (15-20): (1-1.5); the mass of the distilled water is 10-12 times of the total mass of the starch, the acrylic acid and the organic bentonite; the mass of the initiator is 0.5-0.8% of that of the acrylic acid; the mass of the cross-linking agent is 0.1-0.2% of that of the acrylic acid; in terms of-OH, the mole number of the alkali is 70-80% of that of the acrylic acid. The frame paper is provided with the water-based moisture-retaining coating and is excellent in moisture-proof and moisture-retaining performance.
Owner:JIANGSU ZHONGLISHENG NEW MATERIALS CO LTD

In-line web material processing apparatus and method for producing a coated material

An in-line web material processing method and apparatus for vacuum coating of a web material in the form of paper or paperboard is disclosed. The method includes receiving web material through an inlet opening in an auxiliary vacuum chamber from ambient pressure, guiding it from the inlet opening to a transit opening through an inlet guide path, and receiving it in a process vacuum chamber through the transit opening. The method further includes coating the web material in the process vacuum chamber, receiving the coated material in the auxiliary vacuum chamber through the transit opening, guiding the coated material from the transit opening to an outlet opening through an outlet guide path. The inlet guide path and the outlet guide path are separate from each other and are over at least a part of their extensions separated by a separation distance of less than half a width of the web material.
Owner:STORA ENSO OYJ

Laminate for packaging

To provide a laminate for packaging having at least a paper substrate and a vapor-deposited layer, and suppressed in degradation of the vapor-deposited layer and deterioration of adhesion of the vapor-deposited layer to an adjacent layer in preservation in a high-temperature and high-humidity environment.SOLUTION: A laminate for packaging comprises: a paper substrate; a coating layer of one or two or more layers on at least one surface of the paper substrate; and a vapor-deposited layer only in the outside of the coating layer and on the one surface of the paper substrate on the basis of the paper substrate. The laminate for packaging is configured such that the paper substrate contains 0.1 mass% or more and 2 mass% or less of aluminum sulfate based on the paper substrate; the coating layer contains at least a water dispersible high polymer; a Bekk smoothness in a surface at a side having no vapor-deposited layer is 20 seconds or more and 700 seconds or less on the basis of the paper substrate of the laminate for packaging; and a water soluble chloride ion concentration in the laminate for packaging is 300 mg / Kg or less.SELECTED DRAWING: None
Owner:MITSUBISHI PAPER MILLS LTD

A method for manufacturing a paper or paperboard based packaging laminate

The present invention relates to A method for manufacturing a paper or paperboard based packaging laminate, said method comprising: a) providing a paper or paperboard substrate having a grammage of at least 80 g / m2, a density below 800 kg / m3, and a bending resistance in the machine direction as measured according to ISO 2493 (L&W, 15°) above 80 mN, b) providing a transfer coating substrate comprising a vacuum coating layer and a backing layer separated by a release layer, and c) transferring the vacuum coating layer from the backing layer to the paper or paperboard substrate by a transfer coating process using an adhesive layer applied on the paper or paperboard substrate and / or the vacuum coating layer to obtain a paper or paperboard based packaging laminate.
Owner:STORA ENSO OYJ

Carbon paper with high conductivity and lithium affinity as well as preparation method and application of carbon paper

The invention relates to high-conductivity and lithium-loving carbon paper and a preparation method and application thereof.The preparation method comprises the steps that firstly, a flexible porous carbon paper substrate which is of a three-dimensional porous structure and is high in flexibility and excellent in conductivity is constructed through phenolic resin dipping, hot-pressing curing and high-temperature carbonization; then, a target-free activation process is adopted, tannic acid and Fe < 3 + > are chelated and modified on the surface of the carbon paper, Ag < + > is reduced in situ, silver nanoparticles are generated and serve as catalytic sites, and a silver nanoparticle catalytic layer is prepared; then, a nickel-based metal coating is deposited on the surface of the carbon paper through chemical plating, so that the carbon paper is endowed with good conductivity; and a high-lithium-affinity electrosilvering layer is further constructed through electrosilvering, so that the wettability of the carbon paper and molten lithium is greatly improved, subsequent uniform nucleation and deposition of lithium are induced, and the CF (at) Ag-Li lithium metal composite negative electrode is prepared. Compared with the prior art, the carbon paper material disclosed by the invention has remarkable advantages in the aspects of improving lithium deposition stability, inhibiting dendritic crystal growth and relieving volume expansion, and is suitable for constructing a high-specific-energy and high-safety lithium metal battery.
Owner:SHANGHAI UNIV

A solid gel smoke stick, a preparation method thereof, and a cigarette containing the same

The present invention belongs to the technical field of heat-not-burn cigarettes, and particularly relates to a solid gel smoke stick, a preparation method of the solid gel smoke stick, and a cigarette containing the same. The smoke stick has a rod-shaped structure with an outer wall and a core. The outer wall of the smoke stick is beeswax, and the core of the smoke stick is a gel containing a smoking agent. For the first time, the smoke stick formed by surrounding the gel with such an outer wall is filled into the smoke generating section of a heat-not-burn cigarette. The solid gel smoke stick is not a reconstituted tobacco sheet, so the addition amounts of the smoking agent and flavoring substances in the smoke generating section are not restricted. The total amount of the smoking agent and flavoring substances added in the smoke generating section of the present invention under the same weight is 5 to 7 times that in the reconstituted tobacco sheet, which can perfectly solve the problem of insufficient addition amounts of the smoking agent and flavoring substances caused by the limitation of the processing intensity in the reconstituted tobacco sheet.
Owner:CHINA TOBACCO YUNNAN IND

Coating having double layer arrangement

The film includes a substrate and a coating deposited on the substrate. The coating includes a plurality of bilayers, each including two layers of different materials. Each of the two layers of different materials may comprise an oxide, a metal oxide, an alkoxide, an MLD method metal inorganic-organic hybrid, or an oxynitride. The thickness of each of the two layers of different materials may be from about 3 nanometers to about 30 nanometers. The thickness of the coating may be from about 20 nanometers to about 100 nanometers. The film with its nanoscale coating may be used in food packaging and other applications.
Owner:NFINITE NANOTECHNOLOGY INC

Cellulose-based substrate coated with barrier layer, laminated packaging material comprising cellulose-based substrate, and packaging container

The present invention relates to a high quality cellulose-based substrate (10) coated with a heat sealable gas barrier layer. The invention also relates to a method comprising a cellulose-based substrate (10; 25) suitable for heat sealable packaging of oxygen-sensitive products, and packaging containers made of the laminated packaging material.
Owner:TETRA LAVAL HOLDINGS & FINANCE SA

Printable substrates with barrier properties

The invention relates to a coated substrate comprising a substrate and a crystalline triazine layer, said crystalline triazine layer comprising alkylolated triazine wherein said layer is resistance to alcohol and wherein said coated substrate has oxygen barrier properties. The crystalline triazine layer may comprise alkylether and / or alkylene bridged triazine. The process for preparing a coated substrate comprises providing a coated substrate having a crystalline triazine layer wherein the substrate optionally has a metal or metal oxide layer between the substrate and the triazine layer, and applying a vapor of a reactive compound capable of chemically reacting to the said triazine layer, such that the triazine is alkylolated and / or that the triazine layer comprises alkylether and / or alkylene bridged triazine, wherein the coated substrate has oxygen barrier properties and the triazine layer is resistant to alcohol.
Owner:KNOWFORT HOLDING BV

Laminate and manufacturing method of laminate

To provide a laminate capable of maintaining durability, while maintaining writing performance or printing performance.SOLUTION: A laminate includes: a fiber substrate; a first protective layer disposed on each of a front face and a rear face of the fiber substrate; and a second protective layer composed of a material absorbing ultraviolet light at least on one face of the fiber substrate. The first protective layer is composed of a material having higher gas barrier properties than those of the second protective layer.SELECTED DRAWING: Figure 1
Owner:CANON KK

Packaging material with vacuum-coated paper layer and grease barrier

A packaging layer arrangement (110) for manufacturing a packaging container comprises: - a paper layer (112) as a carrier layer, - an oxygen barrier layer (120) such that the oxygen transfer rate of the packaging layer arrangement (110) does not exceed 1.1 cm³ / (m²·d·bar) according to DIN 53380-3, measured at 23 °C and 50% relative humidity, - a metallization barrier layer arrangement (122) formed by vacuum deposition, wherein the packaging layer arrangement (110) additionally comprises a water vapor barrier layer (118) such that the water vapor transfer rate of the packaging layer arrangement (110) does not exceed 1.1 g / (m²·d) according to DIN EN ISO 15106-3, measured at 38 °C and 90% relative humidity, wherein the oxygen barrier layer (120) is located in the layer sequence (LS) between the water vapor barrier layer (118) and the metallization barrier layer arrangement (122), wherein the packaging layer arrangement (110) has a cover layer (124),wherein the metallization barrier layer arrangement (122) is arranged between the paper layer (112) and the cover layer (124). The cover layer (110) is predominantly formed from a polyolefin blend or from a copolymer based on styrene and acrylic or from a thermoplastic elastomer.
Owner:HUHTAMAKI FLEXIBLE PACKAGING GERMANY GMBH & CO KG

Method for producing coated paper or paperboard products

The present invention relates to a method for producing a coated paper or paperboard product, the method comprising the steps of: a) providing a coated paper or paperboard product having a viscosity of at least 100 g / m2, determined in accordance with ISO 638; 2 Weighing capacity: 900 kg / m 3 a) providing a paper or paperboard substrate having a density of less than 1000 nm and a moisture content of at least 3.5% by weight, the paper or paperboard substrate having a first major surface and a second major surface; b) forming a first water vapor barrier layer on the first major surface of the paper or paperboard substrate, the first water vapor barrier layer comprising a thermoplastic polymer; c) forming a second water vapor barrier layer on the second major surface of the paper or paperboard substrate, the second water vapor barrier layer comprising a thermoplastic polymer; and d) forming a vacuum coating layer on the first water vapor barrier layer to obtain a coated paper or paperboard product.
Owner:STORA ENSO OYJ

Laminate and packaging bag

A laminate including a base paper and a gas barrier resin layer provided directly on the base paper, in which a binder resin contained in the gas barrier resin layer includes at least one selected from the group consisting of polyolefin resins and polyvinyl alcohol-based resins, the gas barrier resin layer contains an inorganic pigment in a first region extending from a surface thereof on the base paper side to 50% of the total thickness of the gas barrier resin layer, and 80% by volume or more of the total amount of the inorganic pigment contained in the gas barrier resin layer is present in the first region.
Owner:TOPPAN HOLDINGS INC

Laminated packaging materials and packaging containers including barrier-coated cellulosic substrates

The present invention provides a sintering resistance of at least 900 kg / m 3 Density and 30~80g / m 2 and a barrier coated cellulosic substrate (10a; 25a) comprising a cellulosic substrate (11) having a basis weight of 100 g / m2 or less, the cellulosic substrate having at least one gas barrier coating (13a, 14a; 14b) applied to a first surface of the cellulosic substrate, the laminated packaging material being particularly intended for packaging oxygen sensitive products such as liquid carton food packaging, and a packaging container comprising the laminated packaging material.
Owner:TETRA LAVAL HOLDINGS & FINANCE SA