391results about "Surface covering paper" patented technology

In this papermaking process, a first strength agent is added to a stock suspension containing pulp and optionally other additives prior to its being formed into a web at the wet end of a papermaking machine. The web is then formed and processed into paper. A second strength agent is then applied to the surface of the paper. The strength agents may be selected to have opposite charge.

A decorative material is provided which particularly possesses excellent adhesion properties. The decorative material comprises: a substrate; a print layer provided on the substrate; a protective layer provided on the print layer, the protective layer comprising an ionizing radiation-cured resin; and a stress relaxing layer as a primer layer provided between the print layer and the protective layer, for relaxing shrinkage stress caused at the time of curing of an ionizing radiation-curable resin for the formation of the ionizing radiation-cured resin constituting the protective layer.

A method to produce a building panel comprising a decorative surface layer, a core and a balancing and / or protective layer is disclosed.

A mold resistant gypsum panel having improved mold- and fungal-resistance to the gypsum panel facing paper is provided. Mold-resistant gypsum panels include a gypsum core formed from a gypsum slurry that has voids as a result of foaming of the gypsum slurry. A first paper is located on one side of the gypsum core and a second paper opposes the first paper. A first paper comprises at least one liner ply and at least one filler ply. A second paper also comprises at least one liner play and at least one filler ply. The first and second papers may be substantially the same. At least one of the first paper and the second paper also includes a biocide having 75% retention of the biocide. Also included in at least one of the first and second paper are a retention aid and a sizing agent.

A web-type composite intermediate is formed from fibers and plastic. The composite intermediate is formed by wet web formation from a substantially homogeneous liquid mixture which contains natural fibers, plastic particles having a diameter of less than approximately 1000 μm, and an agent that improves compatibility between natural fibers and plastic particles. In addition, a method for forming a composite intermediate and the use of the composite intermediate are also described.

The invention discloses release paper for synthetic leather. A multi-functional layer is arranged between a base material and a release layer; compositions of the multi-functional layer in weight portion are as follows: 40 to 95 portions of adhesive, 5 to 60 portions of water, and 1 to 5 portions of surfactant; and formation materials of the release layer comprise an alcohol acid modified silicon resin, a melamine resin and an acid catalyst. The release paper adopts the multi-functional layer with anti-seepage and smoothing functions, which ensures that an obtained product has low cost; and as the release paper does not contain inorganic particles, the obtained product has higher glossiness.

The present invention relates to paper and a production method thereof, in particular to decorative paper which is processed and produced by domestic surface paper and has decorative and wear-resistant effects and a production process thereof. Liquid wear resistant paper disclosed by the present invention comprises raw paper and a wear resistant coating, the raw paper is domestic surface paper, and the quantity is 18-35 g / m<2>; and the wear resistant coating is a glue layer formed on the surface of the surface paper, the glue layer is formed by adding white corundum particles, a suspending agent, a dispersant and a curing agent into glue and uniformly stirring. The liquid wear resistant paper and the production process thereof have the advantages that definition is high, the number of wear resistant revolutions has a low correlation with the definition, the definition is seldom affected, and the effect is similar to that of real woods; the number of the wear resistant revolutions can be adjusted according to requirements of clients and can reach up to AC 5 without changing the raw paper; and the glossiness is high and can reach up to 90-105 Gs.

The invention discloses a special veneering pressing and sticking method of melamine impregnated paper, which comprises the steps of: softening medium density polyethylene fibreboards, improving the formula of the melamine impregnated paper, and compression-molding by adopting a concave and convex matching mould. The method avoids the deficiencies that a traditional door sheet is not wear-resistant, is not stain-resistant, is easy to deform, crack, delaminate, burn, and mildew, and the surface of a traditional door sheet needs cumbersome processing procedures, such as many times of painting or spray painting, and the like.

The invention belongs to the technical field of papermaking, and particularly relates to a white manila board and a preparation method thereof. Three layers of forming nets and two passes of coating (curtain coating and knife coating) are adopted for the white manila board; moreover, a core layer and a bottom layer are manufactured by adopting recycled fiber pulp which is low-cost and is further more environment-friendly to replace wastepaper de-inked pulp; not only can a production process of the white manila board be greatly simplified and optimized, but also the consumption of chemicals and the power consumption can be greatly decreased, so that the qualified and low-basis-weight white manila board which more accords with market requirements can be produced with low cost.

The invention relates to ultra-violet curing aluminized transferring coating and a preparation method and an application of the coating. The coating is prepared from the following components (by weight percent) as raw materials: 25-50 of acrylic ester resin, 32-60 of acrylic ester monomers, 3-15 of photoinitiator, and 0.5-3 of assistant, wherein the acrylic ester monomers at least comprise amino acrylic ester accounting for more than 5% of the total weight of the coating. The coating does not contain solvent, can be dried and solidified by adopting ultraviolet light source irradiation, completely removes volatilization of harmful solvent in coating process, does not need heat energy in the solidifying and greatly reduces energy consumption. After being carried out on coating drying, the coating has a coating film with good flexibly, can be carried out on laser mould pressing, is good in adhesiveness with an aluminum layer, can be easy to peel from a base film, is good in transitivity, resists high temperature, has excellent after-tack in a height temperature and high humidity environment, can be carried out on recoating, is good in printability and can completely meet all technical indexes of aluminized transferring coating.

Disclosed are a paper-plastic glue and its preparing method,comprising of high polymer latex 70-90%,resin 5-15%,inorganic powder filler 3-15%,dispersant 0.5-0.8%,thickener 0.2-0.5% and deformer 0.1-0.3%. Its preparing method is:1.pre the deformer with high polymer latex; 2. disperse; 3. add into inorganic filler and disperse;4.add into resin and disperse;5. add into thickener for adjusting the viscosity to be the construction one,the output and package the material.

The invention discloses a natural fiber fabric inkjet printing thermal transfer paper and a preparation method thereof. Specifically, the thermal transfer paper comprises a base paper and a transfer layer arranged on the base paper. The transfer layer includes a hot melt adhesive, a penetrating agent and an ink absorption layer. The hot melt adhesive has a very strong adhesion force to natural fiber, and during pressurization of a thermal transfer machine, a transfer paper and a natural fiber fabric can be adhered together. In addition, the coating layer contains the penetrating agent able to enlarge the fiber aperture. During thermal transfer, the penetrating agent firstly enters the inside of natural fiber and enlarges the aperture of natural fiber, so that dye molecules can migrate to the inside of the natural fiber along the path and undergo covalent bond reaction with the natural fiber. The natural fiber fabric inkjet printing thermal transfer paper prepared by the invention has clear image boundary and good color fastness.

The present disclosure relates to a process for making a decorative base paper for a paper laminate comprising impregnating a base paper with a pigment mixture of titanium dioxide and water wherein the titanium dioxide pigment is made by treating a mixture of titanium dioxide pigment and water with a source of phosphorus and a source of aluminum; drying the treated mixture to form a treated pigment, the treated pigment having surface hydroxyl groups; and removing a major proportion of the surface hydroxyl groups of the treated pigment. Preferably the surface hydroxyl groups are removed by thermal treatment, for example at temperatures ranging from 300° C. to 800° C. The source of phosphorus is typically phosphoric acid and the source of aluminum is typically sodium aluminate. The pigment can be characterized by an isoelectric point which is greater than pH 6 and a negative zeta potential of at least 20 mV at a pH of 7.5 or more and wherein the pigment has improved light fastness.

The invention provides a stretching polypropylene film and its preparation method. The film comprises a co-extrusion compounding base layer and a hot binding function layer, wherein the function layer comprises a component (A), or a component (B), or a mixture of the component (A) and the component (B); the component (A) is an ethylene copolymer having a polar group; the component (B) is selected from an ethylene-butylene copolymer, an ethylene-hexene copolymer, an ethylene-octene copolymer, and a mixture of the above copolymers; the ratio of the vertical elongation rate to the transverse elongation rate of the bidirectional stretching polypropylene film is less than 2; and the surface tension of the function layer of the film is in a range of 36-48dyne / cm. The invention also provides a use of the film in the preparation of film coated paper through the heating compounding with paper, and the film coated paper containing the film.

The adhesive composition comprising emulsion polymers and microspheres and articles made therefrom are provided. The adhesive is particularly suitable for packages for consumer products that provide sufficient strength and thermal insulation while reducing the overall basis weight of the substrates.

The embodiment of the invention discloses a paper gravure continuous positioning and flocking method. The method comprises the steps that: step 1, a bottom-layer varnish layer is coated; step 2, adhesion glue is subject to positioned coating; step 3, pre-baking is carried out; step 4, flocking is carried out; step 5, bake-drying is carried out; step 6, a leveling treatment is carried out. The embodiment of the invention also discloses a paper gravure continuous positioning and flocking apparatus. With the method, technologies such as printing, positioning, flocking and protecting can be accomplished on a printing machine in one time. The manufactured product is advantaged in good flocking effect, uniform flock, good flocking fastness, floss-dropping resistance, and controllable flocking amount. Further, sophisticated products such as multi-colored flocked products can be provided. The method is advantaged in simple operation and no pollution. A floss utilization rate can almost reach 100%, and a production cost is low.

A base paper for decorative coating materials having a base paper which is not internally sized comprises a surface application to the base paper which contains an alkaline earth salt and which is substantially free of polymeric binding agent; the base paper is printable by inkjet methods and can be impregnated with a thermally curable impregnation resin.

The invention discloses a cigarette paper additive, a preparation method and application thereof. The cigarette paper additive of the invention comprises the following ingredients in mass percent: 40 to 50 percent of potassium phosphate, 20 to 30 percent of potassium citrate, 20 percent of apple potassium, 10 percent of glucose and citric acid solution, wherein the citric acid solution is used for regulating the pH value of the accessory agent solution to the required range. The invention belongs to the improvement of the existing cigarette paper. When the cigarette paper adopting the cigarette paper additive of the invention is made into cigarette finished products, the pH value of the mainstream smoke can be regulated to a certain degree, the smoking quality of the cigarette can be effectively improved, and at the same time, the contents of the tar and the carbon monoxide in the mainstream smoke can be effectively reduced.

The invention relates to a preparation method for sustained-release type volatile rust preventive paper. According to the invention, a halloysite nanotube of a hollow structure is used as a carrier, a volatile antirust agent is adhered on the surface of the carrier and loaded in the cavity of the carrier in virtue of strong adsorption ability of surfaces of the particles of the halloysite nanotube and the cavity structure, and a polyelectrolyte is used for coating, thereby obtaining a halloysite nanotube-volatile antirust agent compound; the halloysite nanotube-volatile antirust agent compound is compounded with a polymer emulsion, modified starch and the like, an obtained compound coats the surface of paper, and drying and press polish are carried out so as to obtain the volatile rust preventive paper with a sustained-release function. Since the volatile antirust agent is adhered on the surface of the halloysite nanotube and loaded in the cavity of the halloysite nanotube and coated by the polyelectrolyte, the release of the volatile antirust agent is controlled, so antirust time of the rust preventive paper is greatly increased; heat capacity of the volatile antirust agent is improved, so loss of the volatile antirust agent during preparation of the rust preventive paper is greatly reduced.

The invention relates to the papermaking field and aims to provide a making process of leather-like paper with high wet strength. The process comprise the following steps: firstly, selecting 30-80 percent by mass of long fiber paper pulp and 20-70 percent by mass of softwood pulp to prepare into mixed paper pulp; then, adding 1-1.5 percent of wet-strength agent relative to the fiber quantity to the paper pulp, wherein the wet-strength agent is any one of PPE (Poly-Phenylene Ether)) and melamine or urea-formaldehyde resin; adding 10-30 percent of latex relative to the fiber quantity to the paper pulp, wherein the latex is any one of silicon oxide, carboxylic styrene-butadiene latex, styrene-acrylic emulsion, water-based polyurethane emulsion and acrylic emulsion; pulping the paper pulp, papermaking by using a round mesh, long mesh or inclined mesh machine, drying and coating; and finally, drying, coiling and forming. The leather-like paper with high wet strength has the advantages of high strength, water absorption, soft paper, leather-like quality and capability of printing characters and patterns, thereby being suitable for high-grade paper capable of printing jean marks, hanging marks, leather marks, name cards, and the like.

The invention relates to the field of papermaking, and discloses a novel environment-friendly stone paper and a preparation method thereof. The invention provides a novel environment-friendly stone paper using short fiber to substitute a main component calcium carbonate in a traditional stone paper. The invention further provides a three-layer coextrusion environment-friendly stone paper. The environment-friendly stone paper is composed of a three-layer structure comprising a surface layer-a middle layer-a surface layer; the middle layer comprises main components of short fiber and resin; and the surface layer comprises main components of titanium dioxide and resin. Compared with performance of the traditional stone paper, the novel environment-friendly stone paper, prepared from processes comprising mixing, kneading, granulation and calendering, gains reduced specific gravity, improved physical and mechanical properties and increased size, and qualitatively changes definition, characteristics, advantages and application fields of stone paper, and has extensive application value.

The invention relates to novel antibacterial mould-proof and moisture-proof artificial board decorative paper. The novel antibacterial mould-proof moisture-proof artificial board decorative paper comprises a piece of base paper and a composite layer, wherein the composite layer sequentially comprises a first resin layer, a second resin layer and an antibacterial mould-proof layer. The invention also relates to a preparation method of the decorative paper. The preparation method comprises the following steps: (1) preparing low-formaldehyde urea resin and melamine resin; (2) preparing an organic antibacterial mould-proof agent, a mould inhibitor and an inorganic antibacterial mould-proof agent; (3) impregnating the base paper in the low-formaldehyde urea resin prepared in the step (1) and drying with a three-section drying oven; (4) coating melamine formaldehyde on the base paper treated by the step (3) with an upper roller and a lower roller; (5) coating the organic antibacterial mould-proof agent, the mould inhibitor and the inorganic antibacterial mould-proof agent on the base paper treated by the step (4), extruding the base paper with a stainless steel cooling roller, and drying with a four-section drying oven to obtain a product. The novel antibacterial mould-proof moisture-proof artificial board decorative paper has good antibacterial mould-proof and moisture-proof properties.

The invention relates to the technical field of papermaking, in particular to environment-friendly plastics-absorption double-surface coated white board paper and a preparation technology thereof. The preparation technology comprises the following steps of preparing various layers of pulp raw materials; removing impurities and screening pulp; forming paper by using a screen; squeezing and drying the paper; applying adhesives on the surface of the paper; performing hard press polish; performing coating in a machine; performing soft press polish; and coiling the paper. The various layers of pulp raw materials comprise a surface bleaching chemical pulp layer, a lining waste paper pulp layer, a core waste paper pulp layer and a bottom bleached chemical pulp layer; pulp of the surface bleaching chemical pulp layer consists of 45-55% of LBKP (laubholxer bleached kraft pulp) and 45-55% of DMOW pulp in percentage by weight; pulp of the lining waste paper pulp layer is DIP; pulp of the core waste paper pulp layer consists of 65-75% of MW pulp, 15-25% of BCTMP (bleached chemical thermo mechanical pulp) and 5-15% of waste stuff in percentage by weight; and pulp of the bottom bleached chemical pulp layer consists of 25-35% of LBKP and 65-75% of DMOW pulp in percentage by weight. By the environment-friendly plastics-absorption double-surface coated white board paper, the air permeability, the interlayer bonding force and the printing ink absorption performance of paperboards are improved.

An antifraud color watermark paper is made up through printing antifraud color pattern on raw paper, winding, coating functional paint and winding agent. Its advantages are high antiforge power and simple technology.

The present invention relates to the technical field of heat sublimation transfer printing, and discloses instant-drying type high-ink-absorption heat sublimation transfer printing digital paper, which sequentially comprises base paper, a water absorption and water permeation layer, a porous mesh bag layer and a surface channel layer from bottom to top, wherein the porous mesh bag layer is a three-dimensional mesh-bag-like interpenetrating network resin formed by cross-linking cellulose or carboxymethyl cellulose sodium or starch and cation modified polyacrylamide, or a three-dimensional mesh-bag-like interpenetrating network resin formed by cross-linking polyacrylamide or cellulose or carboxymethyl cellulose sodium and cation modified starch so as to significantly increase the ink absorption. According to the present invention, the water permeability is increased by regulating the composition of the resin and controlling the network density, such that the water molecules rapidly enter the water absorption and water permeation layer; and the instant-drying type high-ink-absorption heat sublimation transfer printing digital paper has characteristics of high ink absorption capacity, rapid ink absorption, instant drying after printing, good transfer printing effect and the like, and meets the fast printing and efficient production requirements of various dark fabrics.

The present invention relates generally to papermaking, and relates more specifically to fabrics employed in making press felts on a paper machine, pulp machine fiber cement belts, and corrugated paper board, or box-board. The invention also relates to the monofilament base of fabric optionally with a needled batt which can provide one or more of the following advantages: hydrolysis resistant materials, providing light weight high strength fabrics, having a high permeability, and soft surface with a high coefficient of friction. The present invention also relates to an integrated loop seam integrated with machine direction yarns of the monofilament base which can provide one or more of the following advantages: extremely stable and flexible corrugator fabric, and the ability to provide a non-marking loop seam.

The invention discloses a release layer used for artificial leather, which comprises the following raw material components of polyolefin, vinyl silicone oil and initiating agent. The invention also discloses release paper used for the artificial leather, which comprises body paper and the release layer adhered on one side of the surface of the body paper, wherein the thickness of the release layer is 30-150mu m. The release paper used for the artificial leather, which is disclosed by the invention, is unlikely to curl in the humid environment, the artificial leather prepared from the release paper is easy to strip from the release paper, and the surface of the manufactured artificial leather has excellent smooth feeling and oil wax feeling.