| 摘要 |
PURPOSE:To provide a three-dimensional pattern colored with various colors, by printing a coating material containing a fine powder of charcoal on the surface of a textile product comprising synthetic fibers, drying the coating material, and irradiating it with IR rays to melt or shrink the printed part of the textile article. CONSTITUTION:A coating material containing a fine powder of graphite, carbon black, active carbon or other charcoal is printed on the surface of a textile product comprising synthetic fibers, is dried, and is then irradiated with IR rays including near infrared rays of a wavelength of about 750mum to melt or shrink the synthetic fibers at the printed part. The synthetic fibers, which are formed from a thermoplastic resin, are softened or melted when being irradiated with intense IR rays, and are finally pyrolyzed and burned. It is generally considered that the degree of absorption of the IR rays depends on the color of the synthetic fibers, and the highest degree of absorption occurs when the color is black. The synthetic fibers are melted or shrunk at the printed part, but are not melted at the other, non-printed parts. Therefore, when the coating material does not permeate to the back side of the textile product but adheres to the face side of the article, the synthetic fibers are shrunk to form a recessed part only at a face side part of the product. |
