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CN-122011945-A - Processing method of leather coloring and film coating material

CN122011945ACN 122011945 ACN122011945 ACN 122011945ACN-122011945-A

Abstract

The invention provides a processing method of a leather-coated film material, which comprises the following steps of 1) weighing components, namely 20% -30% of toner, 15% -20% of resin, 50% -55% of solvent and 5% -8% of auxiliary agent, 2) adding 30% -50% of solvent into a stirrer, all the resin and 45% -55% of toner into the stirrer, pre-stirring until no particles are suspended, 3) adding the rest of the toner and the auxiliary agent into the stirrer, scraping the material on the inner wall of a stirrer container, closing the stirrer, stirring for the first time, 4) grinding the stirred material in a grinder, 5) adding the rest of solvent for secondary stirring after grinding, 6) sieving the secondarily stirred material through a filter screen, and 7) sealing and packaging in a dark place.

Inventors

  • Weng Jiaping

Assignees

  • 安吉贝易新材料有限公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (9)

  1. 1. The processing method of the leather coloring film material is characterized by comprising the following steps of: 1) The weighing components comprise 20% -30% of toner, 15% -20% of resin, 50% -55% of solvent and 5% -8% of auxiliary agent; 2) Adding 30% -50% of solvent after weighing and 45% -55% of toner after weighing into a stirrer (1), and pre-stirring until no particles are suspended; 3) Adding the rest of toner and auxiliary agent into the stirrer (1), scraping the material on the inner wall (4) of the container of the stirrer (1), and closing the stirrer (1) to stir for one time; 4) Grinding the stirred material in a grinder; 5) Grinding, adding the residual solvent, and stirring for the second time; 6) Sieving the materials subjected to secondary stirring through a filter screen (2); 7) Sealing and packing in a dark place.
  2. 2. The method for processing leather color coating film material according to claim 1, wherein the solvent is dimethylformamide, and the auxiliary agent comprises a dispersing agent, a defoaming agent and a cosolvent.
  3. 3. The method for processing leather-coating film material according to claim 1, wherein the resin is a UV light-curable resin.
  4. 4. The method for processing the leather-coated film material according to claim 1, wherein the primary stirring time is 60-100 min, the stirring rotating speed is 1500-2000 r/min, the secondary stirring time is 5-10 min, and the stirring rotating speed is 1000-1500 r/min.
  5. 5. The method for processing leather color coated film material according to claim 1, wherein the grinding machine grinds the surface with a grinding wheel for not less than 2 times.
  6. 6. The method for processing the leather coloring coating film material according to claim 1, wherein the filter screen (2) adopts a filter aperture with a specification of 100-200 meshes.
  7. 7. The method for processing the leather-coated film material according to claim 1, wherein the filter screen (2) is arranged in the stirrer (1), the filter screen (2) is of a cylindrical structure, the annular winding of the screen surface of the filter screen (2) is formed, the stirring blades (3) of the stirrer (1) are positioned on the inner side of the filter screen (2), the upper end and the lower end of the filter screen (2) are supported and arranged on the inner wall (4) of the stirrer (1), and the material is firstly thrown into the inner space of the filter screen (2).
  8. 8. The method for processing the leather color coating film material according to claim 7, wherein the two ends of the filter screen (2) are formed into annular hoops (5), and the screen surface of the filter screen (2) is a metal screen and is fixed on the annular hoops (5).
  9. 9. The method for processing the leather coloring and laminating material according to claim 6 or 7, wherein the filter screen (2) is used in secondary stirring, the filter screen (2) is in a separable structure in the stirrer (1), and the filter screen (2) is placed in the stirrer (1) before the process of secondary stirring is started.

Description

Processing method of leather coloring and film coating material Technical Field The invention relates to a processing mode of leather surface treatment materials, in particular to a processing method of leather coloring and film coating materials. Background The leather material has wide application range, and because of different application scenes, the processing requirement of color change is met, the surface painting is an efficient and stable processing mode, the film-coated material can be covered on the surface of the leather material in a coating mode, a stable film layer is formed on the surface, the leather surface is protected, meanwhile, the required color can be directly displayed, and the processing method of the film-coated material has high processing and forming efficiency. Disclosure of Invention The invention aims to overcome the defects in the prior art and provide a processing method of a leather coloring coating material. The technical scheme adopted by the invention for solving the problems is that the processing method of the leather coloring coating material comprises the following steps: 1) The weighing components comprise 20% -30% of toner, 15% -20% of resin, 50% -55% of solvent and 5% -8% of auxiliary agent; 2) Adding 30% -50% of solvent into the stirrer, and pre-stirring all the resin and 45% -55% of toner until no particles are suspended; 3) Adding the rest of toner and auxiliary agent into the stirrer, scraping the material on the inner wall of the stirrer container, and closing the stirrer to stir for one time; 4) Grinding the stirred material in a grinder; 5) Grinding, adding the residual solvent, and stirring for the second time; 6) Sieving the materials subjected to secondary stirring through a filter screen; 7) Sealing and packing in a dark place. The toner is a main coloring material, the resin material has a good film coating effect, the gloss can be effectively improved, the toner is added in a secondary adding mode, the fusion effect can be effectively improved, particle coagulation is avoided, the mixing effect is improved through an auxiliary agent, particles which are difficult to disperse are crushed through grinding after primary stirring, the toner can be fully dissolved after the solvent is added again, and the film coating material without particle impurities is obtained after filtering. Further, the solvent is dimethylformamide, and the auxiliary agent comprises a dispersing agent, a defoaming agent and a cosolvent. The solvent adopts a solvent material with good dissolution effect, the dispersing agent can help the toner to be rapidly and uniformly dispersed, and the defoaming agent can reduce bubbles generated in the stirring process. Further, the resin is a UV light curable resin. The light-cured resin has good processing performance and can form a film quickly. Further, the primary stirring time is 60-100 min, the stirring rotating speed is 1500-2000 r/min, the secondary stirring time is 5-10 min, and the stirring rotating speed is 1000-1500 r/min. Further, the grinding machine adopts a grinding wheel to grind the surface, and the grinding times are not less than 2. The grinding surface is ground by adopting a grinding wheel, and the separation and crushing properties of the mineral toner are good. Further, the filter screen adopts a filter aperture with 100-200 meshes. The filter screen can separate out particles fast, improves the quality. Further, the filter screen has in the agitator, the filter screen is tubular structure, and the annular winding shaping of the faying of filter screen, the stirring leaf of agitator is located the inboard of filter screen, the upper end and the lower extreme of filter screen all support and set up on the agitator inner wall, the material is thrown into in the inboard space of filter screen earlier. Adopt the filter screen structure of tube-shape, realize filtering at the in-process of stirring, can improve production efficiency. Further, the two ends of the filter screen are formed into annular hoops, and the screen surface of the filter screen is a metal screen and is fixed on the annular hoops. The filter screen has good structural rigidity and can meet the requirement of quick fluidity in the stirrer. Further, the filter screen is used in secondary stirring, the filter screen is in a separable structure in the stirrer, and the filter screen is placed in the stirrer before the process of secondary stirring is started. The method is mainly applicable to secondary stirring procedures, can reduce exposure time and avoid influencing the quality of the coating material. Compared with the prior art, the method has the advantages that the method for processing the film coating material for leather surface treatment can effectively improve the purity quality of the film coating material, is convenient for rapid film formation, has high processing and production efficiency, and can avoid influence on the quality of products