35 results about "Paper Makers" patented technology

The invention discloses a method for making raw paper of heat sublimation transfer printing paper. The method comprises the following steps of: slurrying a needle leaf wood-pulp board and a broad leaf wood-pulp board, and respectively beating the needle leaf wood-pulp board and the broad leaf wood-pulp board to 15 to 25 degrees SR and 18 to 28 degrees SR; then mixing the two beaten pulps, mixing the mixture and chemimechanical pulp (CTMP) which is beaten to 22 to 32 degrees SR in advance, and uniformly stirring the mixture with wet strength agent polyamide epoxy resin (PAE), white alum and sizing agent cation rosin size to obtain paper pulp; and putting the paper pulp onto a net, controlling the net part to be dehydrated and molded, and performing squeezing, surface sizing and drying to obtain the heat sublimation transfer printing paper. The indexes of the finished paper can meet the requirement of the heat sublimation transfer printing paper by optimizing the beating degree, the using amounts of various additives during papermaking and making parameters of a paper maker.

The invention provides a production method of an anti-myopia paper. The method comprises the steps of: impregnating a wheat straw raw material by chemical medical liquid; pretreating under a normal-pressure and low-temperature condition; separating and thinning fiber by a mechanical twisting, grinding and fiber-separating method; and copying into a paper on a paper maker. The directly-obtained color of the paper is yellow, the yellow fiber paper with different depth degrees can be produced according to the difference of the chemical products and the treatment conditions, the paper is used for the book for the school children or the reading magazine, and the paper has the function of myopia resistance without dazzling. The paper produced by the method is higher in yield and better in mechanical strength, wherein the yield of the paper is more than 60%, the rupturing length of the paper is more than 6.0km, the rupturing-resistant index is more than 4.2kPa.m<2>/g, the rupturing index is more than 3.20mN.m<2>/g, and the folding strength of the paper is more than 100 times.

The invention provides a wet strength waste paper processing method belonging to the technical field of paper making. The method comprises the following steps of: by taking condensed water of steam of a drying part of a paper maker as a heat source, additionally providing a heat exchanger to increase the water temperature of white water for pulping from 30-35 DEG C to 60-70 DEG C; mixing with wetstrength waste paper in a pulper, and performing mild strength connection with softened fibers under a high temperature condition to easily separating the wet strength waste paper under mechanical functions. The specific processes and steps are as follows: (1) pulping; (2) grinding to form pulp; and (3) pulp proportioning to finish processing the wet strength waste paper. By adopting a heating processing method in the invention, the pulp processing time is shortened, electricity consumption during processing is reduced, the strength for breaking the fiber is reduced, the beating degree of the processed pulp is stable, and proportion of waste pulp in the blending can be properly increased as required, so that the production cost is reduced.

The invention relates to an iron oxide yellow pigment for tobacco and the production method, which resolves the technical problem and aims at providing a new liquid-liquid reacting iron oxide yellow pigment and the production method for tobacco, thus can ensure that the granularity of the product is more refined, more symmetrical and brighter than that made by iron filing method. The iron oxide yellow pigment for tobacco also aims at controlling the content of arsenic and lead in product in order to reach the requirement of tobacco industry. The production method adopts the technical proposal that the iron oxide yellow pigment is obtained by the reaction of 4500 to 5000 weight parts of solid green copperas with 80 to 88 percent content and 2500 to 300 weight parts of sodium hydroxide solution with 32 percent concentration. The production method comprises the inoculating seed preparation and the second oxidation. The an iron oxide yellow pigment can be widely used in tobacco industry, such as tipping paper makers and printing ink makers.

The invention relates to a production method of hemorrhoids prevention toilet paper. The production method includes the following steps: 1 515 parts of ramie roots, 410 parts of Japanese dock roots, 37 parts of sophora flavescens, 37 parts of mints, 5 parts of rheum officinales, 1 part of catechu and 513 parts of rhizoma bletillae are adopted to be soaked and grinded into liquid and then are evenly mixed with 513 parts of rosin, 24 parts of boraxes, 1 part of sulphur, 0.1-0.2 part of protease, 0.1-0.5 part of amylase and 3060 parts of wood fibers to be pulped; and 2 1-2 parts of wet strength agents are filled into the pulp, large-roll toilet paper is produced by using the conventional papermaking process, and medicine toilet paper with 13-25% of moisture content is produced through copying of a paper maker; and the medicine toilet paper is subjected to slitting, bagging and sealing packaging to obtain the hemorrhoids prevention toilet paper product. The health care hemorrhoids prevention toilet paper is soft in texture and good in toughness and can be used for hemorrhoids prevention.

The present invention relates to a woven paper maker fabric. Concretely, provided is a paper maker fabric (1, 21, 31, 41) having a first fabric layer (2) made of first threads (4, 5, 6) and a second fabric layer (3) made of second threads being connected by first binder threads (6) extending in one direction being divided into first basic threads (5) forming a plain weave with the first threads (4), and into the first binder threads (6) forming a plain weave with the first threads (4) section-wise, the first binder threads (6) bind one second thread (9) at binder points (7, 8) on the outside, wherein first threads (4) extending transversely to the first binder threads (6) are not bound at the binding points (7, 8), the number of which exceeds the number of the second threads being bound there by the number of at least two, wherein only one single binder thread (6) is provided between two adjacent first basic threads (5) respectively.

The invention discloses a three-layer paper making forming net with high lateral stiffness, which comprises a surface net and a bottom net that are formed by crosswise weaving warps and wefts, wherein the surface net and the bottom net are connected and compounded by connecting lines; the surface net adopts a two-dimensional plain weaving structure; the bottom net adopts a six-dimensional broken satin weaving structure; the warps comprise surface net warps and bottom net warps; the diameters of the surface net warps and the bottom net warps are respectively 0.18 mm and 0.22 mm; the weaving density of the surface net warps and the bottom net warps is 24 unit/cm; the wefts comprise surface net wefts and bottom net wefts, wherein the surface net wefts comprise surface net nylon wefts and surface net polyester wefts respectively with a diameter of 0.18 mm; and the surface net nylon wefts are used as the connecting lines and connected with the compound surface net and the bottom net in an asymmetric connecting mode. The invention enhances the lateral stiffness of the forming net, strengthens deformation resistant capability in use, and is more suitable for a high-speed paper maker to operate.

The invention discloses an environment-friendly shoe insole board production process. The environment-friendly shoe insole board production process includes production steps: feeding, by weight, 38-42% of mug-long fiber paper pulp, 28-30% of wood powder and 28-30% of toilet paper pulp into a hydrapulper for mixing, and using a pulp pump to pump the mixed pulp into a pulp tank; feeding the mixed pulp into a heat dispersion system for heating at 80-100 DEG C for secondary defibering, so that paper pulp fibers can be saturated in water absorption, and speed increase of a production line is facilitated; feeding paper pulp processed by the heat dispersion system into a pressure screen system for third-time defibering; dyeing the paper pulp processed by the pressure screen system, uniformly mixing dye and pulp, and feeding the paper pulp into a paper maker for conventional production to obtain a shoe insole board. Finished paper sheets made by the process are free of impurity dots on the surfaces so as to be more attractive than traditional paperboards with residual ink dots.

The invention relates to a production technology for a high-wet modulus cotton pulp, which comprises the following steps: preparing raw materials: taking cotton linters as the raw materials, opening, removing impurities, sending to a cyclone separator by air, fully mixing the raw materials with alkali liquor, and then extruding and dewatering; digesting: feeding slurry soaked with the alkali liquor into a spherical digester for digesting; chloridizing: chloridizing the digested slurry; bleaching: feeding the chloridized slurry into a bleaching tank for bleaching, and concentrating the slurry by using a concentrator before bleaching at the feeding moment; performing acid treatment: performing the acid treatment on the bleached cotton pulp and feeding hydrochloric acid into the bleaching tank in a spraying mode; and obtaining an end product: making by using a paper maker and packing into the end product of the cotton pulp. According to the production technology provided by the invention, a dry impurity-removing machine is firstly utilized to fully separate, scatter and purify the slurry, and then the slurry enters into a spiral sieve drum type extruder, and the cotton fibers are more uniformly soaked in the alkali liquor; the digesting uniformity is increased; the cost of the raw materials is low; the processing process is simple; the operation is convenient; the purchasing scope of the raw materials is wide and is unlimited; the output of modal fiber products is increased; and the development of the modal fiber industry is boosted.

The invention discloses a production process of non-heat-seal type tea filter paper. The production process comprises the steps that S1, plant fibers soaked with sulfite are added into a beater, when the beating degree of slurry ranges from 15 SR to 25 SR, beating is stopped, an enhancer is added into the beater, slurry A is obtained, and the slurry is discharged for use; S2, a cross-linking agent and starch are added into the slurry A prepared in S1, the oven dry ratio of the cross-linking agent to the starch ranges from 1:120 to 45:120, then stirring is carried out for 25 min to 35 min, the materials are fully mixed to be uniform, and slurry B is obtained; S3, 5-6% flocculant is added into the slurry B prepared in S3, the mass concentration of paper pulp ranges from 0.14% to 0.16%, the materials are mixed and stirred to be uniform, then net feeding and paper manufacturing are carried out, press polishing and rolling are carried out through a paper maker, and the finished paper is made. The non-heat-seal type tea filter paper made through the process contains no harmful chemical additive, is environmentally friendly and practical, has wide market popularization value and can be widely applied and popularized.

A method and device for uniformly distributing slurry water in the headbox of the forming part of a paper machine, the method is to blow wind into the top of the closed headbox box, and apply uniform wind to the top of the box full of slurry Press to make the slurry water evenly distributed in the headbox of the forming section of the paper machine. The device comprises a slurry tank (1), a closed headbox (2), a slurry feeding pipe (3) connecting the slurry tank (1) and the closed headbox (2), and is arranged on the slurry feeding pipe The slurry inlet pump (4), the air inlet pipe (5) blowing to the top of the headbox box body and the low-pulsation Roots blower (6) installed on the air inlet pipe. The invention can evenly distribute the pulp water in the head box of the forming part of the paper machine, so as to obtain a paper base with uniform thickness.

The invention discloses a method for preparing asbestos or non-asbestos latex copy plate, which comprises: first, mixing and dispersing asbestos or non-asbestos fiber to be beaten, and adding calcium carbonate or convex-concave rod powder and carbon black into water, or first adding calcium carbonate or convex-concave rod powder and carbon black before beating; adding latex, sulfuration agent and anti-aging agent into mixture; at last, adding silicane coupler, silicane cross-linker, or titanic acid ester coupler into mixture; using caustic soda or sodium carbonate to adjust the pH valve of mixture to 7.5-8.5; adding sodium fluoride; feeding the mixture via the feeding system of paper maker, to be molded and dried to attain asbestos or non-asbestos latex copy plate. The invention adds silicane coupler, silicane ross-linker or titanic acid ester, and sodium fluoride into slurring beating process, to significantly improve the strength of product.

The invention discloses a repair paper maker suitable for ancient calligraphy and painting cultural relics, and relates to the technical field of calligraphy and painting repairing. The repair paper maker comprises a scanner and a repair paper maker body. The scanner is used for scanning and measuring the damaged part of the cultural relics and measuring the size of the damaged part and the thickness of each part of the peripheral edges of the damaged part, and the scanner is in radio connection with the repair paper maker body. According to the size of the damaged part detected by the scanner and the thicknesses of the edges, the repair paper maker body makes repair paper matched with the size of a gap and the thicknesses of the edges of the gap in the paper. The invention further provides a method for repairing the ancient calligraphy and painting cultural relics. The method comprises the following steps: first, the damage part and the thickness of each part of the peripheral edge of the damage part are measured with the scanner; second, the repair paper maker body makes repair paper matched with the gap according to the size of the damage part detected by the scanner and the thicknesses of the edges; and third, the repair paper is fixed to the gap. With there repair paper maker and repairing method suitable for the ancient calligraphy and painting cultural relics, the calligraphy and painting cultural relics can be repaired without gap scraping.

The invention provides security paper to which a safety film is added through the open hole and full window combined forming technology and a manufacturing method and belongs to the field of security paper manufacturing. Firstly, a wet paper sheet with an open hole is made, then a wet paper sheet with a full window is made, meanwhile, the wet paper sheet with the open hole and the wet paper sheet with the full window are attached, the open hole and the full window are superposed together and located in the front face and the rear face of the paper respectively, the safety film is applied between the two wet paper sheets, and the safety film is compounded in the open hole and full window region; finally squeezing and drying are carried out to obtain security paper dry sheet paper in which the open hole and the full window are combined and to which the safety film is added. The security paper and the manufacturing method have the advantages that the open hole (window) and adding of the safety film are completed at a time in the papermaking process of a paper maker, the full window anti-counterfeiting technology is added and integrated with the former technology, the manufacturing difficulty is greatly increased, meanwhile, the counterfeiting difficulty is also increased, and the anti-counterfeiting performance of the paper is greatly improved.

A fabric having a first woven fabric layer forming a paper side and made of first threads, and a second woven fabric layer made of second threads, the two woven fabric layers being connected by binder threads belonging to the first woven fabric layer such that at binding points the respective binder thread binds with one first thread on the paper side, then changes to the second woven fabric layer and binds with at least two second threads and then returns to the first woven fabric layer again and binds with a first thread on the paper side, wherein at binding points only one first thread is not bound by the said binder thread.

The invention relates to the field of food packing paper, in particular to tea-fragranced paper. The tea-fragranced paper is characterized in that glue is added by pulp glue blended with tea cream, and a preparation method of the tea-fragranced paper comprises the following steps: preparation of pulp glue: blending Pu'er tea cream with other additives to obtain the pulp glue; glue application andconditioning: uniformly laying pulp on the surface of a paper maker, filling a glue application machine with the pulp glue, and applying flue by the glue application machine; and papermaking. The teacream is added in the pulp glue of the tea-fragranced paper, and because the tea cream contains lots of tea glue, the made tea-fragranced paper has high paper strength and paper flexibility, cannot bebroken easily, is quite suitable for long-time packing box storage, and facilitates long-time storage of Pu'er tea; owing to the tea cream, the tea-fragranced paper is full of fragrance, taste is improved, and the tea-fragranced paper is also suitable for packing cigarettes, is wide in application range and diversified in function, and has high marketing significance.