27results about "Coated paper substrate" patented technology

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 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.

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.

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 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 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:

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 application discloses a multi-layer heat preservation and insulation cigarette paper for a heat-not-burn cigarette, which has a multi-layer composite structure and sequentially comprises an inner layer and an outer layer from inside to outside; the inner layer has a heat radiation emission function and a multi-layer heat insulation function; and the outer layer has a heat radiation reflection function; the inner layer is composed of a high-temperature-resistant high-heat-radiation-emissivity base material and aerogel with low thermal conductivity; the base material has a cellular structure and low thermal conductivity, and can reduce the heat loss of the internal tobacco towards the outside. The multi-layer heat preservation and insulation cigarette paper is designed with the outer layer having the heat radiation reflection function, and the outer layer can return the heat radiation of the inner layer to the tobacco, so that the heat loss can be reduced.

The application discloses a preparation method of a large-capacity quick oil-absorbing paper towel for kitchens, and the oil-absorbing paper towel preparation method comprises the following steps: S1, providing a surface layer substrate, an intermediate layer substrate and a bottom layer substrate respectively; S2, treating the surface layer substrate in the step S1 to obtain a micro-nano roughened surface layer; S3, preparing a finishing liquid; S4, immersing and padding the micro-nano roughened surface layer obtained in the step S2 with the finishing liquid, and then carrying out baking and curing after drying to obtain a modified surface layer; S5, sequentially stacking the modified surface layer, the intermediate layer substrate and the bottom layer substrate, adopting point-like hot-pressing compounding, and cutting after cooling and shaping to obtain the large-capacity quick oil-absorbing paper towel for kitchens. Through the synergistic design of the three-layer gradient structure and the dual-function modified auxiliary agent, the excellent comprehensive oil-absorbing performance is realized. The overall preparation process of the application is mild, and the substrate is not damaged; the obtained fabric is soft, heat-resistant and can be mechanically extruded and regenerated for more than 50 times, which is significantly superior to the existing products.

The present invention concerns a paper-based barrier multilayer packaging material structure (1) being formed as a unitary sheet and comprising from its outer surface to its inner surface, the following layers: —a polymer dispersion coating (9) having a thickness of 1 to 10 μm, —a paperboard (8) having a grammage of between 120 g / m2 and 500 g / m2, —a water-based or solvent-less adhesive (7) having a thickness of 1 to 10 μm, —a barrier metallized paper layer (MBPL) having substance weight between 30-120 g / m2, preferably 45 to 90 g / m2 and a Water Vapour Transmission Rate (WVTR) of 10 to 0.1 g / m2 / d, preferably a WVTR of 1.0 to 0.1 g / m2 / d measured at 38° C. and 90% RH, and an Oxygen Transmission Rate (OTR) comprised between 100 and 0.1 cc / m2 / d, measured at 23° C. and 50% RH, preferably an OTR comprised between 1.0 and 0.1 cc / m2 / d. —a water-resistant polyolefin sealable coating (2) having a thickness of 10 to 50 μm, preferably of 25 to 35 μm.

The present invention relates to packaging materials having coatings made from biopolymer compositions. The present invention also relates to methods of providing barrier properties for packaging materials by using the above-mentioned compositions. In particular, the present invention relates to coating porous materials with compositions comprising biopolymers formed by the reaction product of a biodegradable polyester and a siloxane precursor.

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 invention provides cigarette paper with a temperature change indication function and a preparation method thereof, and relates to the field of cigarette paper. The cigarette paper with the temperature change indication function comprises a body paper base material and a temperature change functional coating, a micro-cavity array area is formed on the surface of one side of the body paper base material, the temperature change functional coating is coated on the micro-cavity array area on the surface of the body paper base material, and paint forming the temperature change functional coating comprises a thermochromic material and an adhesive. The micro-cavity array area is formed on the surface of one side of the body paper base material, and the temperature change functional coating is coated on the micro-cavity array area on the surface of the body paper base material, so that the temperature change functional coating is anchored in the micro-cavity, the temperature change functional coating is effectively and physically protected, stable integration of the temperature change functional coating is realized, and the temperature change functional coating is effectively prevented from being damaged. And meanwhile, a foundation is laid for realizing a precise regionalization indication function.

To provide a packaging material having adhesivity of a face to be heat sealed, heat sealability and anti-blocking property.SOLUTION: A packaging material has a paper holding body and one or two or more coating layers on one surface of the paper holding body. The paper holding body has density of 0.83 g / cm3 or more and 1.03 g / cm3 or less, and 2.3 mass% or less of ash. In the packaging material, the outermost coating layer with the paper holding body as a reference in the coating layer, contains at least ionomer resin of ethylene unsaturated carboxylic acid copolymer.SELECTED DRAWING: None

To provide a coating agent for a paper substrate having excellent water resistance, oil resistance, blocking resistance, and paper substrate surface coatability.SOLUTION: One aspect of the present invention is a coating agent for a paper substrate comprising: (A) cellulose with an average particle size of 1 μm to 40 μm; and (B) an aqueous resin emulsion. The blending amount of the component (A) is more than 20 pts.mass and less than 50 pts.mass relative to 100 pts.mass of the total solid content of the component (A) and the component (B).SELECTED DRAWING: None

To provide a novel paper for flexible packaging materials and a flexible package using this flexible packaging paper. 【Solution means】A paper for flexible packaging materials having a paper base material and a heat-sealing layer provided on at least one side of the paper base material, where the paper base material has a filler content of 1% by weight or less, a basis weight of 25 g / m 2 or more and 50 g / m 2 or less, and a density of 0.85 g / m 3 or more and 1.35 g / m 3 or less, where the dry weight (per side) of the heat-sealing layer is 4 g / m 2 or more and 20 g / m 2 or less, and a paper for flexible packaging materials having a tear strength (MD direction and CD direction) of 100 mN or more and 650 mN or less, and a flexible package using this flexible packaging paper.

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 present invention addresses the problem of providing coated white paperboard with which occurrence of curling is suppressed and tearing of the paperboard during production is suppressed. The present invention relates to coated white paperboard having a coating layer on at least one side of the white paperboard, the white paperboard containing pulp fibers and polyethylene and having a layered structure of two or more layers, wherein the polyethylene content ratio is 50-2500 ppm with respect to the total mass of the coated white paperboard; and the basis weight is 150 g / m2 or more.

This application discloses a high- and low-temperature resistant coated baking paper and its production process, comprising a blended coating layer and packaging paper, wherein the blended coating layer is located on one or both sides of the packaging paper; the blended coating layer comprises polypropylene and polytetrafluoroethylene in a mass ratio of 1:(0.08~0.12). Polytetrafluoroethylene, due to its special molecular structure, possesses excellent chemical stability and non-adhesive properties, which can effectively improve the barrier properties of the coated baking paper against moisture and oils, and maintain its performance stability over a very wide temperature range, thus meeting the high and low temperature resistance requirements of the coated baking paper. Simultaneously, during the production process, the packaging paper undergoes a pre-punching treatment to increase the actual contact area between the blended coating layer and the packaging paper, enhancing the mechanical interlocking effect between the two, thereby improving the interfacial bonding force between the blended coating layer and the packaging paper.

The object of the present invention is to provide a coated paper for printing that, despite a low coating amount, is bulky, has high surface strength, excellent print surface feel, high opacity, good printability, and is environmentally friendly. [Solution] A coated paper for printing having one or more coating layers containing pigment and adhesive on a base paper containing 80% by weight or more of chemical pulp relative to the dry weight of the pulp, wherein the coating amount on one side of the coating layer is 0.5 g / m². 2 More than 9g / m 2 Below are the basis weights of coated paper for printing: 50 g / m² 2 More than 200g / m 2 The following describes a density of coated paper for printing: 0.50 g / cm³ 3 More than 0.75g / cm 3 The following is a coated paper for printing in which the base paper contains an organic compound that inhibits interfiber bonding of pulp fibers, and the coating layer contains, as an adhesive, 20 parts by weight or more of a starch-based adhesive and 10 parts by weight or less of latex per 100 parts by weight of pigment.