51results about "Coated paper substrate" patented technology

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

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 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.

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 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.

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 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.

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 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 application provides a matte article having excellent visibility and texture of a matte effect, and excellent rough tactile sensation. The matte article has a surface shape having an Spc (arithmetic mean curvature of a protrusion top) of more than 4000 mm ‑1 , and an Rsm (average length of a curved element) of 30 μm or more as defined in JIS B0601:2013.

The invention relates to a heat-sealing paper (1) for packaging a solid product, comprising at least one layer of cellulose fibres (2), said cellulose fibres having a density of between 1.2 and 1.7 g / cm3 and a porosity of between 30% and 80%, 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 present invention relates to the use of a paper substrate (11) in a high-quality, barrier-coated paper substrate (10) for providing good toughness, flexibility and oxygen barrier properties to a laminated packaging material and to packaging containers comprising the laminated packaging material. The barrier-coated paper substrate may also provide heat sealing capability to a laminated packaging material comprising it. The barrier-coated paper substrate (10; 23), is suitable in packaging of oxygen-sensitive food products.

The invention relates to a heat-sealable paper (1) for packaging a solid product comprising at least one layer of cellulose fibers (2), said cellulose fibers having a density of between 1.2 and 1.7 g / cm³ and a porosity of between 30% and 80%, and at least one layer of hot-melt adhesive (3). According to the invention, the at least one layer of hot-melt adhesive (3) is deposited discontinuously on the layer of cellulose fibers (2) along the entire length and width of the cellulose fiber layer, the hot-melt adhesive layer having a melting point above 80°C.

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 the technical field of semiconductor probe cleaning abrasive paper, in particular to gradient elastomer abrasive paper for cleaning a semiconductor probe and a preparation method of the gradient elastomer abrasive paper. According to the technical scheme, the abrasive paper comprises a base, an abrasive paper body, a supporting plate, a mounting frame and a placement box, the supporting plate is arranged above the base, a supporting pipe is rotatably mounted in the supporting plate, the placement box is arranged at the upper end of the supporting pipe, and the abrasive paper body is arranged above the placement box; the abrasive paper body sequentially comprises a working face, a middle transition layer, a buffering supporting layer and a flexible base material from bottom to top. According to the invention, on the basis of the rule of'negative correlation between coating thickness and roughness', through a multi-stage differential thickness coating process and in combination with an equipment structure of negative pressure adsorption and pressure ring dual fixation, on the premise of not changing a core formula, independent and accurate regulation and control of surface roughness, decoupling of cleaning power and probe protection functions are realized, chip accommodating and heat dissipation performances are improved, and the service life of the chip is prolonged. And the cleaning requirements of advanced-process semiconductor probes are met.

To provide a coating agent for a paper base material having excellent water resistance, oil resistance, blocking resistance, and paper base material surface coatability. One aspect of the present invention is a coating agent for a paper base material comprising: (A) cellulose with an average particle size of 1 μm to 40 μm; and (B) an aqueous resin emulsion, wherein the amount of component (A) per 100 parts by mass of the total amount of component (A) and component (B) in terms of solid content is more than 20 parts by mass and less than 50 parts by mass.

A paper having: —a density measured according to ISO 534:2011 above 1000 kg / m3; —a strain at break measured according to ISO 1924-3:2005 in the machine direction above 3%; —a basis weight measured according to ISO 536:2012 below 100 g / m2, such as below 70 g / m2; and—a Bendtsen surface roughness on at least one side below 150 ml / min when measured according to ISO 8791-2:2013.

A system for forming a resultant material. The system can include a treatment unit applying heat to at least a portion of a face of a base material, the base material having a plurality of fiber portions extending from the face, and the treatment unit at least partially removing the plurality of fiber portions. The system further can include a coating apparatus applying a coating layer to the face of the base material.

A packaging film (1) based on cellulose for packaging food as a twist pack, wherein said packaging film (1) has a base layer (2) which extends in a longitudinal direction (L), a width direction (B) perpendicular to the longitudinal direction (L), and a thickness direction (D) perpendicular to the longitudinal direction (L) and the width direction (B), and wherein the base layer has a first surface (2a) which extends in the longitudinal direction (L) and in the width direction (B), and a second surface (2b) which extends in the longitudinal direction (L) and in the width direction (B) and which lies opposite the first surface (2a), and wherein the base layer (2) is produced from paper and / or cellulose-containing material, characterized in that the base layer (2) has a structure and / or embossing at least in sections in such a manner that a first section (22) of the base layer (2) is rotatable by at least 180° with respect to at least one axis of rotation in relation to a second section (24) of the base layer in order thus to form the twist pack - in particular without tearing.

The application belongs to the technical field of papermaking, and particularly relates to a method for preparing environment-friendly decorative base paper with high water absorption and low air permeability by using bamboo pulp fibers, which comprises the following steps: S1, preparing wet pulp; S2, mixing pulp; S3, preparing base paper; S4, preparing coating; and S5, paper surface coating treatment. The decorative base paper prepared by the method for preparing environment-friendly decorative base paper with high water absorption and low air permeability by using bamboo pulp fibers has the advantages of low filler content, high physical strength, good water absorption and low air permeability.

The invention relates to the technical field of papermaking, and particularly provides function-enhanced storage battery plate coating paper and a production process thereof. The coated paper comprises a base paper layer, a dispersion layer and a conductive layer which are stacked in sequence, wherein the base body paper layer comprises a cellulose base body; the dispersion layer comprises a solid phase layer formed by an interfacial agent, and the interfacial agent comprises at least one of a chitosan modified interfacial agent, a chitosan-based modifier, polyethyleneimine and polypyrrole-polyethylene glycol; the conductive layer comprises a three-dimensional interconnection network structure formed by carbon nanotubes and graphene oxide in the dispersion layer. According to the invention, a dispersion layer is constructed on a cellulose matrix, and uniform dispersion and strong adsorption of a nano material are realized through a dispersion layer-conductive synergistic effect, so that the conductivity and mechanical binding force of the coating are remarkably improved; meanwhile, the interfacial agent layer can effectively buffer stress, and the bending resistance and the cycle stability of the coated board paper are enhanced.

The present invention relates to the use of a paper substrate (11) in a high-quality, barrier-coated paper substrate (10) for providing good toughness, flexibility and oxygen barrier properties to a laminated packaging material and to packaging containers comprising the laminated packaging material. The barrier-coated paper substrate may also provide heat sealing capability to a laminated packaging material comprising it. The barrier-coated paper substrate (10; 23), is suitable in packaging of oxygen-sensitive food products.

The invention relates to a heat-sealable paper (1) for packaging a solid product comprising at least one layer of cellulose fibers (2) and at least one layer of hot-melt adhesive (3). According to the invention, the at least one layer of hot-melt adhesive (3) is deposited discontinuously on the layer of cellulose fibers (2) along the entire length and width of the cellulose fiber layer, the hot-melt adhesive layer having a melting point at a temperature above 80°C.

The invention discloses a carbon-based conductive paper film for electromagnetic shielding, which is prepared from the following raw material components in percentage by weight: 5.0 to 8.0 percent of carboxylated graphene, 8.0 to 12.0 percent of multi-walled carbon nanotubes, 6 to 9 percent of carbon fibers, 60.0 to 70.0 percent of acetylated modified plant fibers, 7.0 to 10.0 percent of flexible buffer polymer, 3.0 to 5.0 percent of interface cross-linking agent, 1.0 to 3.0 percent of dispersing agent, 2.0 to 5.0 percent of flame retardant and the balance of deionized water. According to the scheme, the conductivity, the mechanical strength and the environmental tolerance of the carbon-based conductive paper film are synergistically enhanced through interface chemical regulation and collaborative optimization of process parameters, meanwhile, water-phase dispersion, a pollution-free reagent and a low-energy-consumption process are adopted in the preparation process, and the method has the advantages of being environmentally friendly, low in cost and capable of achieving large-scale production.

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:

To provide oil-resistant paper using a non-fluorine-based oil-resistant agent.SOLUTION: An oil-resistant paper comprises a paper substrate, which is impregnated with an oil-resistant coating containing a non-fluorine-based oil-resistant agent and a water-soluble polymer. The paper substrate has a basis weight of 20 g / m2 or more, and a freeness of 250 ml CSF or more and 500 ml CSF or less.SELECTED DRAWING: None

The present invention relates to the use of a paper substrate (11) in a high-quality, barrier-coated paper substrate (10) for providing good toughness, flexibility and oxygen barrier properties to a laminated packaging material and to packaging containers comprising the laminated packaging material. The barrier-coated paper substrate may also provide heat sealing capability to a laminated packaging material comprising it. The barrier-coated paper substrate (10; 23), is suitable in packaging of oxygen-sensitive food products.