The production process of color mixed base carbon strip is a complex and delicate process, which combines the technology of many fields such as chemistry, physics and machinery. The following is a general production process:
First, raw material preparation
1.Base film selection: Polyester (PET) film is usually selected as the base film, because it has excellent mechanical strength and thermal stability, is the key material for making high-quality carbon strips.
2.Ink preparation: Ink by pigment, resin, wax and various additives mixed in a certain proportion. Pigments provide color, resins and waxes ensure that the toner transfers correctly and adheres to the medium when heated, and additives are used to improve the various physical and chemical properties of the toner.
Second, coating process
1.Pre-coating treatment: Surface treatment of the PET base film, such as corona treatment, to improve its surface energy, so that the ink can be better attached.
2.Ink coating: The prepared ink is evenly coated on the PET base film. This step requires precise control of the amount, speed and uniformity of the coating to ensure the printing effect of the carbon strip.
3.Dry curing: The coated carbon strip undergoes a series of drying processes to remove solvents and solidify the toner. This step is essential to improve the wear resistance and solvent resistance of the carbon strip.
Third, compound and slitting
1.Composite: In some cases, to enhance the performance of the carbon strip or to meet specific needs, it may be necessary to composite one or more layers of other materials on top of the base film.
2.Cutting: The composite carbon strip is cut according to the predetermined width to meet the needs of different types of printers. In the slitter process, it is necessary to accurately grasp the cutting tension and the tightness of the carbon strip to ensure the quality of the carbon strip.
Fourth, inspection and packaging
1.Quality inspection: The appearance and performance of the finished carbon strip are tested, including color uniformity, adhesion, wear resistance, solvent resistance and other indicators. Only carbon strips that meet quality standards are allowed to enter the next process.
2.Packaging: The inspected carbon tape is packaged to prevent contamination or damage during transportation and storage. The packaging should indicate the product model, specifications, production date, shelf life and other information to facilitate traceability and management.
Fifth, warehousing and delivery of finished products
The packaged color mixed base carbon tape is stored in the warehouse and shipped according to customer demand. Before shipping, the inventory also needs to be counted and checked to ensure that the quantity and quality of the product meet customer needs.
In summary, the production process of color mixed base carbon strip includes raw material preparation, coating process, composite and scuttling, inspection and packaging, and finished product storage and delivery. Each link requires strict control of quality and technical parameters to ensure that the performance and quality of the final product meet the standard requirements.