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Research on sublimation transfer coating technology
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Research on sublimation transfer coating technology

  • Categories:Company News
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  • Time of issue:2021-03-25 15:56

(Summary description)Sublimation transfer technology does not require water in the transfer printing process, and there is no wastewater discharge, which significantly reduces the pollution to the environment and belongs to the environment-friendly production technology.

Research on sublimation transfer coating technology

(Summary description)Sublimation transfer technology does not require water in the transfer printing process, and there is no wastewater discharge, which significantly reduces the pollution to the environment and belongs to the environment-friendly production technology.

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-03-25 15:56
  • Views:
Information

Sublimation transfer technology is: take digital painting technology and print the pattern onto sublimation paper with sublimation ink first, then transfer the paper in a certain temperature and pressure, the ink in will transfer from the solid into a gaseous state, penetrate the surface of the fabric. Today, four-color printing and six-color printing as the mainstream, four-color refers to cyan, magenta, yellow and black; six-color refers to yellow, light cyan, light magenta, magenta, cyan and black. Among them, the black ink is used the most, also more likely to have a large ink volume when using. Therefore, black becomes the color to focus on when using.

Sublimation transfer technology does not require water in the transfer printing process, and there is no wastewater discharge, which significantly reduces the pollution to the environment and belongs to the environment-friendly production technology.  With the promotion of sublimation transfer technology, inkjet printers, digital cameras, and digital transfer machines have been further developed and popularized, providing a broader space for people's self-display and personalized expression.


With the development of large printers from the original single-group printhead to the current multi-jet synchronous printing technology, the speed of digital printing has been greatly improved, so the drying speed of printing on the sublimation transfer paper has also put forward new requirements. The continuous maturity of the transfer technology on the quality of the ink requirements continue to reduce, but the quality of the sublimation transfer paper requirements are increasingly demanding. During the transfer process, if the quality of the sublimation transfer paper is low, it will often appear dirty, low gloss and poor clarity of the pattern after transfer, and even produce spotting.

 

The printing and drying speed and the reflective density of the color block are two important indicators of the quality for sublimation transfer paper. The printing and drying speed directly affects the production efficiency, and the reflective density of the color block affects the clarity and beauty of the final printed products.

Formulation of surface coating has become a key factor affecting the quality of sublimation transfer paper.

A method for the preparation of surface coating for sublimation transfer paper, the pigment is kaolin and nano-silica, the adhesive is water-soluble starch and carboxymethyl cellulose (Meibar Bio provides ultra-low viscosity), other auxiliary materials include styrene-maleic anhydride copolymer, dispersant, defoamer and color fixing agent, and the final water is added to control the solid content of the coating to 22~25%. Apply this coating to the sublimation transfer paper, the coating amount is 8~10g/m2, the obtained thermal sublimation transfer paper printing drying speed reaches 1 or 2 levels; print 100% black color block to the sublimation transfer paper, the color block reflection density ≥1.00, after transferring 100% black color block to 100% white polyester fabric, the residual reflection density of black color block on the thermal sublimation transfer paper ≤0.15.
 

Hanrun® Paper is a sublimation paper supplier for more than 12 years. Its factory produces paper in a complete process: from base paper to coating paper to slitting in roll, and finally deliver to all customers. We are welcome all of customers to visit!


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