104results about "Coated paper substrate" patented technology

Aspects of the present disclosure include a rigid paperboard product comprising at least one modified starch and at least one crosslinker, wherein the at least one modified starch is present in an amount ranging from 2% to 20% by weight of the paperboard product, wherein the at least one crosslinker is present in an amount ranging from 0.5% to 8% by weight based on the dry weight of the starch content in the paperboard product, and wherein the paperboard product has a rigidity value ranging from 375 to 500.

To provide process paper that can prevent evaporation of volatile ingredients during storage or transportation.SOLUTION: Process paper has barrier-coated paper and a release agent layer on at least one surface of the barrier-coated paper, wherein the barrier-coated paper comprises a paper substrate and a gas barrier coating layer on at least one surface, and the paper substrate has a thickness of 50 μm or more and 200 μm or less, a density of 0.5 g / cm3 or more and 1.1 g / cm3 or less, and a dry shrinkage ratio in the CD direction of 0.6% or less.SELECTED DRAWING: None

Herein is disclosed a method of producing a stretchable packaging material, the method comprising producing a cellulose layer from a refined wood pulp, wherein the refined wood pulp has been refined to a refining degree of at least about 70°SR; and subjecting the cellulose layer to a wet creping process. Herein is also disclosed a stretchable packaging material comprising a cellulose layer producible by method.

The present invention relates to the use of a paper substrate (10a, 10b) made of cellulosic fibres as a gas barrier material in a laminated packaging material (40a) for packaging oxygen-sensitive products, and also to such a coated paper substrate (30a) for improving gas barrier properties. The invention also relates to a laminated packaging material (40a) comprising a paper substrate or a barrier-coated paper substrate and a packaging container comprising the laminated packaging material for packaging oxygen-sensitive products, such as food products.

A process for producing a stretchable packaging material is disclosed, comprising producing a cellulose layer from ground wood pulp, wherein the ground wood pulp has been milled to a fineness of at least about 70 °SR; and subjecting the cellulose layer to a wet creping process. A stretchable packaging material comprising a raw base paper is also disclosed. wherein the raw paper has an elongation at break in the machine direction of at least about 14%; and wherein the raw paper has a tensile strength in the machine direction of at least about 10 N / 15 mm.

Aspects of the present disclosure include a rigid paperboard product comprising at least one modified starch and at least one crosslinker, wherein the at least one modified starch is present in an amount ranging from 2% to 20% by weight of the paperboard product, wherein the at least one crosslinker is present in an amount ranging from 0.5% to 8% by weight based on the dry weight of the starch content in the paperboard product, and wherein the paperboard product has a rigidity value ranging from 375 to 500.

The present invention relates to a water-resistant paper having heat-sealing properties, excellent water resistance and excellent oil resistance, and a packaging container obtained using the water-resistant paper. The water-resistant paper of the present invention comprises: a paper substrate; and an undercoat layer 1 and a water-resistant layer 1 on one surface of the paper substrate in the stated order from the paper substrate side, wherein an average Runkel ratio of pulp forming the paper substrate is 0.51 or less, wherein the undercoat layer 1 contains latex and a pigment, and wherein a coating amount of the water-resistant layer 1 is 4.5 g / m2 or more.

The invention relates to the technical field of tipping paper, and particularly provides water-based tipping paper. The problems that traditional water-based tipping paper is uneven in appearance and unstable in suction resistance due to moisture absorption expansion are solved. Comprising an activated carbon layer, a moisture absorption layer and a water-based outer layer, the moisture absorption layer and the water-based outer layer are sequentially arranged on the surface of the activated carbon layer, the water-based outer layer is prepared from, by weight, 45-55 parts of waterborne polyurethane, 15-25 parts of hydrophobic nano SiO2, 25-30 parts of deionized water, 1-2 parts of wetting dispersant and 0.1-1 part of defoaming agent, and the average particle size of the hydrophobic nano SiO2 is 20-50 nm. The hydrophobic nano SiO2 is nano SiO2 modified by octadecylsilane, and the solid content of the waterborne polyurethane is 30%. The expansion rate of the tipping paper in a high-humidity environment is remarkably reduced, the air permeability is stable, the appearance is flat, and the smoking experience is consistent. And compared with a traditional product, the environment-friendly property and the practicability are both achieved, and the good application prospect is achieved.

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.

A method of producing a stretchable packaging material comprises producing a cellulose layer from a refined wood pulp, wherein the refined wood pulp has been refined to a refining degree of at least about 70° SR, and subjecting the cellulose layer to a wet creping process. A stretchable packaging material comprising a cellulose layer can be produced by this method.

The present disclosure relates to heat sealable coated paper product comprising a cellulosic fibrous substrate comprising a first and a second side, the first side comprising a single coating layer being applied in direct contact with the fibrous substrate, the coating layer comprises ethylene (meth)acrylic acid copolymer (EAA / EMAA) or ethylene-acrylic acid-methacrylic acid terpolymer (EAAMAA) or mixtures thereof, in an amount of at least 51 % by weight based on the dry weight of the coating layer and a pigment being talc and / or calcium carbonate (CaCO3). The present disclosure furthermore relates to a method of producing the heat sealable coated paper product.

A system and method are provided for proactive process intervention in manufacturing creped products via a chemical feed stage (108) and a Yankee dryer stage. The method includes generating signals from a plurality of online sensors, corresponding to directly measured variables for respective process components such as, e.g., pH, conductivity, and Yankee blade vibration. Models are developed including retrievable information relating combinations of certain directly measured variables to respective quality characteristics of the creped product. The method further includes indirectly determining quality characteristics (e.g., softness, bulk) for the creped product, substantially in real time, based on, e.g., signals corresponding to directly measured variables, and optionally a predicted natural coating potential. An output feedback signal is automatically generated corresponding to a detected intervention event based on the indirectly determined one or more quality characteristics and respective predetermined targets. The feedback signal may automatically regulate chemistry feed characteristics, substantially in real time.

The present invention provides a porous paper-based decorative material and a preparation method thereof. The preparation method comprises: S100, separately preparing a porous paper base, an anti-mildew coating, and a decorative coating; S200, applying the anti-mildew coating to the paper base and performing a first heat treatment to form an anti-mildew layer on the porous paper base; S300, applying the decorative coating to the anti-mildew layer and performing a second heat treatment to form a decorative layer on the anti-mildew layer, thereby obtaining the porous paper-based decorative material. The porous paper base comprises hollow silica particles, the anti-mildew coating comprises chitosan, and the decorative coating comprises sodium alginate. The temperature of the first heat treatment is 80°C to 90°C, and the temperature of the second heat treatment is 100°C to 110°C. The present invention can produce a porous paper-based decorative material with good mechanical strength and resistance to mildew.

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

A coated cellulosic structure includes a cellulosic sheet substrate, a basecoat layer on the cellulosic sheet substrate, and a barrier layer on the basecoat layer. The barrier layer has an average thickness (AT) in a range of from about 1 μm to about 6 μm. The barrier layer has a uniformity in thickness characterized by a coefficient of variation (CV) of 0.7 or less, wherein CV=σ / AT, wherein σ is the standard deviation of the thickness.

The present invention relates to a method for manufacturing a cellulose-based laminate comprising a mineral-based layer in a paper-making machine, the method comprising: a) forming a first web layer on a first wire; b) forming a second web layer comprising 60-95 % by dry weight of a particulate mineral and 5-40 % by dry weight of a binder, on a second wire; and c) laminating the second web layer and the first web layer to obtain a laminate web; and d) dewatering, and optionally drying, the formed laminate web to obtain a cellulose-based laminate comprising a mineral-based layer.

It enables the efficient and effective transfer of images, texts, etc. onto an edible substrate. 【Solution means】The present invention relates to a coating composition for baking paper, a coated baking paper containing the coating composition, a method for manufacturing the coated baking paper, and the use of the coated baking paper, for example, for providing images, characters, etc. to edible products. The coating composition contains fat, amorphous starch, sugar and / or sugar substitute, emulsifier, and wax.

An agricultural waste-based packaging material which may comprise bagasse, may comprise approximately 75% renewable agro waste and 25% softwood pulp. Example compositions are provided including cellul

The present disclosure provides a heat-sealable paper product for use in overwrapping, wherein the heat-sealable paper product: - comprises a paper substrate being a machine-glazed (MG) kraft paper having a glazed side and a non-glazed side, wherein the glazed side of the MG kraft paper is coated with a heat-sealable coating; - has thickness of equal to or below 85 µm according to ISO 534:2011; - has a tensile energy absorption (TEA) in cross direction (CD) of at least 60 J / m² according to ISO 1924-3:2011; and - has a burst strength of at least 170 kPa according to ISO 2758:2014. The present disclosure also provides a method of producing a heat-sealable paper product for use in overwrapping as well as a method of overwrapping an item in a heat-sealable paper product.

To provide: a liquid paper container base paper that exhibits high barrier properties, excellent recyclability, reduced liquid paper container weight, excellent moldability, and excellent crack resistance; and a liquid paper container employing the same.SOLUTION: A liquid paper container base paper 10 comprises: a barrier paper 16 having a barrier coating layer 14 on one surface of a barrier paper substrate 12; a base paper substrate 18 provided on a surface of the barrier paper 16 opposite to the barrier coating layer 14; a first protective layer 20 formed on the outermost surface on the base paper substrate 18 side; and a second protective layer 22 formed on the outermost surface on the barrier coating layer 14 side of the barrier paper 16. Also disclosed is a liquid paper container 7 formed using the liquid paper container base paper 10.SELECTED DRAWING: Figure 1

The invention relates to heat-sealing paper (1) for packaging a solid product, comprising at least one layer of cellulose fibres (2), and at least one layer of hot-melt adhesive (3). According to the invention, the at least one hot-melt adhesive layer (3) is deposited on the cellulose fibre layer (2) in a discontinuous manner over the entire length and width of the cellulose fibre layer, the hot-melt adhesive layer having a melting point at a temperature above 80°C

The invention relates to the technical field of cigarette packaging, in particular to low-gram-weight coated paper and application of the low-gram-weight coated paper in cigarette carton packaging. The low-gram-weight coated paper comprises a paper substrate and a coating arranged on at least one surface of the paper substrate, a material for forming the paper substrate comprises wood flour; materials for forming the coating comprise microcapsules and a binder, shells of the microcapsules comprise urea resin, and cores of the microcapsules comprise epoxy resin. According to the invention, wood flour in a paper substrate, a shell in a coating comprising urea resin and a core comprising microcapsules of epoxy resin are utilized to synergistically obtain a network structure with rigid supporting points, and the network structure with the rigid supporting points is helped to be uniformly infiltrated in the paper substrate in cooperation with the use of a binder; therefore, the paper-plastic composite paper with better stiffness is obtained.

The present invention relates to a release agent composition for papermaking, an emulsion, a preparation method and a use method thereof. The release agent emulsion of the present invention comprises (a) a hydrophobic material; (b) a cationic surfactant, comprising a quaternary ammonium salt type surfactant; and (c) a nonionic surfactant, comprising a polyoxyethylene type nonionic surfactant, wherein the emulsion is free of anionic surfactants, and wherein the emulsion has a particle size of about 0.05-1 μm. The release agent emulsion manufactured according to the method of the present invention has a small particle size, a narrow particle size distribution, and good stability, and thereby has significant application meanings in the papermaking process, especially in the production of crepe paper.

The present invention relates to the use of paper substrates (10a, 10b) containing cellulose fibers as gas barrier materials in laminate packaging materials (40a) for packaging oxygen-sensitive products, and further to coating such paper substrates (30a) to enhance their gas barrier properties. The present invention also relates to laminate packaging materials (40a) made from paper substrates or barrier-coated paper substrates, and to packaging containers containing the laminate packaging materials for packaging oxygen-sensitive products such as food.

A method for forming a resultant material. The method can include obtaining a base material including a fibrous material with a plurality of fiber portions extending from a face of the base material. The method further can include treating at least the face of the base material, the treating at least the face including applying heat along at least a portion of the face with a treatment unit to at least partially remove the plurality of fiber portions extending from the face.

The invention relates to a high-strength and high-transparency antibacterial composite isolation glue solution for cultural relic lining paper. The glue solution takes a pore-foaming agent, an antibacterial agent and an isolation glue solution as main components, the pore-foaming agent is a compound system of nanoscale silicon dioxide, titanium dioxide and calcium carbonate, the antibacterial agent adopts a compound of berberine, epsilon-polylysine and nano-zinc oxide, and functional dispersion liquid is formed through synergistic modification of a silane coupling agent. A gradient-distributed microporous structure (porosity is greater than 40%) is constructed by utilizing a pore-foaming agent, and directional anchoring of an antibacterial agent in an adhesive layer is cooperated, so that the air permeability, the mechanical strength and the antibacterial and mildew-proof performance are synchronously improved, and the obtained cultural relic lining paper has a long-acting mildew-proof effect that the tensile strength is greater than 100N / cm, the water vapor transmission rate is 160ml / min and the aspergillus niger spore germination inhibition rate is 100%; the method is suitable for repairing and protecting fragile paper cultural relics such as paintings and calligraphies and ancient books.

The present invention is directed to a coated paper substrate that is particularly suitable for metallization and other nano-coatings that provide barrier properties and are applied using vacuum deposition techniques. The invention is also directed to a process for preparing the coated paper substrate. The invention is also directed to a packaging material comprising the coated paper substrate.

The present invention relates to - Base paper and - at least one coating color layer S1 applied directly or indirectly to said base paper, at least one barrier layer B1 applied directly or indirectly to said coating color layer S1, - a coating B2 applied directly or indirectly to said barrier layer B1; The present invention relates to a barrier paper comprising:

The present application relates to a kind of black card paper ink corrosion prevention printing method and black card paper finished product, wherein black card paper finished product includes black card paper and the benzene and propylene emulsion touch layer formed on black card paper, wherein the benzene and propylene emulsion touch layer is prepared using the following components solidification: benzene and propylene emulsion, water-based resin, additive and water.The above-mentioned black card paper finished product, by forming benzene and propylene emulsion touch layer on the surface of black card paper, so, the coating formed after solidification, benzene and propylene emulsion it has waterproof and ink effect, the coating film of water-based resin after solidification has corrosion resistance effect, forms excellent anticorrosion effect.Black card paper due to containing carbon element, so that paper is strong acid, time long black card paper can corrode surface layer ink, and the application is formed by forming benzene and propylene emulsion touch layer on the surface of black card paper, it has good waterproof and ink effect, can better separate ink and black card paper, to avoid the corrosion of black card paper to ink.

The present invention provides a barrier multilayer body which has good barrier properties and forms a packaging bag that has excellent visibility of the content. A barrier multilayer body which sequentially comprises, on at least one surface of a paper base material, an anchor coat layer and a water vapor barrier layer in this order, wherein: the total light transmittance as determined in accordance with JIS K 7361-1 (1997) is 65% or more; and the arithmetic mean height of the water vapor barrier layer-side surface as determined in accordance with JIS B 0601 (2001) is 75 μm or less.