31results about How to "Smooth paper" patented technology

The invention discloses a preparation method of a transparent nano-cellulose paper with fluorescence properties. According to the method, TEMPO (2, 2, 6, 6-tetramethylpiperidine-1-oxyl) is employed to perform oxidation modification on natural nano-cellulose fiber, and the coordination mechanism of rare earth complexes is utilized for the first time to graft a rare earth complex with fluorescence properties to the modified nano-cellulose fiber in situ so as to obtain a nano-cellulose sol with fluorescence properties, and finally through a high pressure filtration method, the self-assembled fluorescent transparent natural nano-cellulose paper can be synthesized by one step. The transparent nano-cellulose paper with fluorescence properties provided by the invention has the characteristics of naturalness, environmental protection, no toxicity or harm, high light transmission, good flexibility, easy excitation, and advanced synthetic process, etc.

The invention discloses a tipping paper rewinding machine on the basis of a servo system. The tipping paper rewinding machine is characterized in that a linear speed is measured by a speed measuring roll in a tipping paper take-up procedure, real-time disc diameters of an unwinding disc and a winding disc are computed according to the real-time linear speed, a rotational speed of an unwinding motor and a rotational speed of a winding motor, and then the rotational speed of the unwinding motor and the rotational speed of the winding motor are computed according to the obtained disc diameters and a linear speed, which is given by a machine, in the tipping paper take-up procedure, and are adjusted via a central processing unit. The tipping paper rewinding machine has the advantages that circular adjustment is realized, so that the linear speed in a procedure for rolling tipping paper on the rewinding machine is consistent with the given speed, tension on the surface of the tipping paper in the take-up procedure keeps constant, disc surfaces are flat, and the winding quality is improved.

The invention relates to a mineral skincare oil absorbing sheet and a preparation method thereof. The mineral skincare oil absorbing sheet comprises a paper carrier, and filler which is dispersed in the paper carrier, wherein the paper carrier is made of bamboo pulp, the filler comprises attapulgite and diatomite in a weight ratio of (1 to 1) to (1 to 5), and the amount of the filler is 2 to 6 percent of the weight of the bamboo pulp. By adopting the mineral skincare oil absorbing sheet, people with oily skin can avoid the embarrassment of glossy face in the business negotiation and traveling process and can keep a clean and dry face, the potential injury of PM2.5, contaminants, heavy metals and the like attached to the face can be eliminated at any time in any place, the bacteria and microorganisms can be effectively absorbed, the potential risk of whelk and acne caused by propionibacterium acnes can be eliminated, fresh face and oil control can be realized, and people can enjoy the skin care of the mineral trace elements.

The present invention relates to the technical field of display, in particular to a piece of pressure detecting paper and a preparation method thereof. The pressure detecting paper comprises a paper layer and a pressure sensitive color developing layer adhered to the paper layer. The pressure sensitive color developing layer is prepared by the following raw materials, by weight: 15 to 30 parts ofleuco dye microcapsules, 9 to 18 parts of spacing agents, 10 to 15 parts of adhesives, 15 to 30 parts of developer microcapsules, 1 to 3 parts of surfactants, and 30 to 45 parts of solvents. The pressure detecting paper has the flat paper surface and the smooth surface; the pressure sensitive color developing layer coated on the paper layer is not easy to fall and has good staining-resistant and yellowing-resistant performances; and the color displaying density and color development speed are good.

The invention provides a corrugated paper front edge paper feeding and digital inkjet integrated machine. The corrugated paper front edge paper feeding and digital inkjet integrated machine comprisesa rack, a front edge air bellow paper feeding device mounted on the rack, an attraction air bellow paper discharge device installed at the rear end of the front edge air bellow paper feeding device and an ink-jet printing device installed above the attraction air bellow paper discharge device; the front edge air bellow paper feeding device comprises a front edge suction fan, a front edge paper feeding air bellow, a paper pressing positioning mechanism, an active flower roller and a passive flower roller; and the attraction air bellow paper discharge device comprises a main platform air bellow,a main platform fan, a belt active polished roller, an attraction belt, a belt polished roller, a paper pressing rubber roller and a drive mechanism. According to the corrugated paper front edge paper feeding and digital inkjet integrated machine, the structure of paper discharge through the attraction air bellow after paper feeding and printing through the front edge paper feeding air bellow isadopted, the paper surface is flat and even in stress in the paper feeding, printing and paper discharging processes of paperboards, and the ink-jet printing quality is improved.

The invention relates to the transformer field, in particular to an insulating-paper compound-roll winding device used by a transformer, comprising a winding cart, two discharging shafts, two positioning shafts and a rotary shaft which is arranged on a base at one side of the winding cart parallelly with the positioning shafts and the discharging shafts in a suspension-arm way and is connected with the winding cart in a transmission way. A first sleeve provided with a taper-shaped upper end and a column-shaped lower end is fixed at the free end of the rotary shaft by screws. A second sleeve which is provided with a disk and of which the diameter is more than or equal to that of the insulating-paper compound-roll is fixed at one end of the rotary shaft neighboring the base of the winding cart by screws. Due to the adoption of the technical proposal, the invention can conveniently complete the winding of the insulating-paper compound-roll used for the transformer, conserving manpower and time, and the winded insulating-paper compound-roll has an even surface, therefore, manufacturing quality and efficiency are largely enhanced.

The invention relates to the technical field of papermaking, and provides a semi-transparent paper preparation method, solving the technical problem of how to use waste paper to replace a part of pulpto prepare semi-transparent paper. The semi-transparent paper preparation method includes the steps of (1), preparing pulp from waste paper; (2), removing sand and dregs; (3), preparing pulp from wood-pulp boards and deinked pulp; (4), blending the pulp and conditioning; (5), manufacturing paper with the pulp and calendering and shaping.

The invention discloses a manufacturing method of a fireproof board core paper. The invention belongs to the technical field of papermaking, needle-leaved wood, broad-leaved wood and camphorwood are used as fiber raw materials, the preparation method comprises the following steps: cooking, extracting, performing oxygen delignification, performing hydrogen peroxide micro-bleaching, washing, pulping, preparing pulp, slushing, screening and purifying, sizing, dehydrating and forming a net part, squeezing, performing pre-drying, performing surface sizing, performing post-drying, coiling, rewindingand packaging, wherein the ratio of the needle-leaved wood to the broad-leaved wood to the camphorwood is (4.5-5): (3-4): 1. The fireproof board core paper manufactured through the method is good inuniformity, stable in quantification, consistent in tightness, smooth in paper surface, good in laminating performance, free of impurities on the appearance of the paper surface and free of lint on the end face, and the flame retardant property and the sound insulation property of the core paper are improved simultaneously.

The invention discloses an ultrathin heat sublimation transfer paper. The ultrathin heat sublimation transfer paper comprises a base material, a binding agent and a coating coated on the surface of the base material, wherein the coating comprises carboxymethyl cellulose, sucrose, glycerol, starch, polyvinyl chloride resin, polyethylene glycol fatty acid ester, fumed silica, aluminum oxide, calciumcarbonate, a bactericide, a polysaccharide derivative, kaolin, titanium dioxide, sodium polyacrylate, bentonite powder and a dispersing agent. The invention further discloses a preparation method ofthe ultrathin heat sublimation transfer paper, the preparation method is that the materials of all the components is carried out dissolving, mixing, heating, uniformly stirring, and discharging by steps. According to the method, the polysaccharide derivative and glycerol are added, so that the paper surface is smooth, the phenomenon of bending deformation is not easy to occur, and the heat sublimation printing quality is improved, so that the application of the ultrathin heat sublimation transfer paper is realized, and the transfer rate of the produced paper is improved, and the application ofthe ultrathin paper in the field of thermal sublimation is improved.