TH7521B - The process for preparing the printouts that As cellulose and equipment for this process as well - Google Patents

Abstract

In the preparation of cellulose-based molds, a solution of cellulose in tersiareamine oxide molds is heated and the molded solution is placed in a sedimentation bath to precipitate the constituent cellulose. The hot mold is cooled before being placed in the sedimentation bath. Cooling takes place immediately after the casting process and is proposed to consist of horizontal air blowing onto the cellulose-based casting. The process stipulated in this invention makes it possible to introduce fibers of a dense cellulose solution without strands sticking together. The fibers produced after coming out of the filament head, despite the high fiber density, can also use an air channel between the filament head and the long sedimentation basin, which in the process of fiber making by this method allows time. It is sufficient to obtain the textile properties of the fiber by reaching the fiber at the mold (Fig. 1).

Claims (1)

1. Process for preparing cellulose based printouts Which consists of steps of Casting hot solution of cellulose in terizieriamine oxide By passing a solution of cellulose into the fiber head Cool the hot molded solution. By exposing this solution in a gas stream The spin direction is at right angles to this gas stream and the cooling of the molded solution is inserted into the sedimentation bath. Therefore, forming a cellulose printout. Where the cooling of the hot forged solution occurs immediately after the casting process and before its introduction into the bath. 2. Process according to claim 1, where this filament head consists of several filament holes. The density of the pore 0.7 holes / mm 2 of the fiber head 3. The process according to claim 2, where the distance from the fiber head to the sedimentation bath is 70 mm apart. 4. The cellulose film preparation process. Which consists of steps of Casting a hot solution of cellulose By passing the hot solution of cellulose to the film forming equipment. Casting a hot solution of cellulose By exposing this solution in a gas stream Which the direction of spinning is orthogonal to this gas stream is important and Putting the cooled mold solution into the sedimentation bath. Therefore, forming a cellulose printout. Where the cooling of the hot forged solution occurs immediately after the die casting process. 5. Process according to claim 1, in which the hot melt solution is cooled by air drying in at least two gas flows. 6. Process according to claim 5 in which two gas flows meet. The hot molded solution is opposite to the hot molded solution 7. Process according to claim 6, in which the hot molded solution is passed through a large spun-hole filament head. Which is arranged in a ring shape Thus, a bundle of cellulose fibers was spun in this way in which a gas stream was in a radial direction onto one side of this spun cellulose bundle. And another gas stream is in the radial direction into the opposite side of the spun cellulose fiber bundle 8. Process according to claim 7, in which this bundle of spun cellulose fibers has a density of 1.4 fibers / mm. 2 and the distance from the fiber head to the sedimentation bath is at least 50 mm. 9. Process according to claim 1 which the amount of heat This was removed from the hot forged solution when cooling, ranging from 20 kJ / kg to a minimum of 1 0. Process according to claim 9, where the amount of heat It was removed from the hot forged solution when cooling, from 20 to 350 kJ / kg of solution 1. 1.Equipment for preparing cellulose fibers from a solution of cellulose in terrycearamine oxide. It consists of a fiber-threaded head with many filament holes arranged in a ring shape. The inlet for the coolant gas is positioned in the center of the annular arrangement of the filament holes and is located immediately below the stream of the filament holes. The inlet consists of a pipe with a baffle at one end and a passage along the wall of the pipe. Which the pipe consists of several separate chambers Which is fed with coolant gas And additional inlet for cooling gas Which is located on the outside of the ring-shaped arrangement of the filament holes