Interpretation Of Silk Screen Printing Methods For Leather Boots

China's footwear industry has always been aided by the tradition of Arts and crafts, and often used the techniques and achievements of contemporary arts and crafts in the design of shoes and boots, such as embroidery, weaving, printing, silk flowers, jewelry and so on. After introducing these technologies into the footwear industry, they enriched the means of shoe decoration and beautification, making shoes and shoes more beautiful and generous, thus meeting people's aesthetic needs. At the same time, the organic combination of shoemaking industry and other industries is becoming more and more close, which makes the modern footwear industry not only carry forward and inherit this tradition, but also pay special attention to the combination of modern science and technology, constantly enrich the contents of Arts and crafts decoration, and combine with the modeling of shoes and boots to achieve the perfect shoe finishing effect.

　　 Shoe leather printing

Leather printing is first made with the pattern needed for screen printing, then the leather is fixed on the printing platform, and the printed color or chemical raw material is printed on leather with a screen pattern to achieve the desired color or effect. For example, screen printing is a printing method which uses screen printing technology to directly print the flower pattern on screen surface with ink. Leather screen printing technology is mainly used for the printing of suede garment leather, suede luggage leather, Suede Shoe leather and so on. The products made of printed leather, such as clothing, shoes, bags and so on, are beautiful, natural, elegant, elegant, natural and beautiful.

Leatherwear Screen printing First, the printing pattern is copied on the screen plate by photosensitive method. The pattern on the screen plate is made of non adhesive film, and the ink can pass smoothly. And there is no pattern line part of the adhesive film ink can not be penetrated. When the screen plate is placed on the green leather for scraping and printing, the ink on the non adhesive film will stain the leather surface through the screen, and the ink can not be stained through the screen so that the leather surface can not be stained. In this way, the flower pattern is printed on the leather surface.

Any kind of leather can be made into printed leather, such as cowhide, pig skin, sheepskin, snake skin, two layers of leather, etc. Considering the cost of leather, usually pigskin, cattle two layers or two layers of pigeon are more printed. Because of the defects and coarse pores of pig skin, about 80% to 90% of pigskin is printed with suede leather.

　　 Screen printing process for shoes and boots

At present, silk screen printing is used to show the process of shoe decoration.

A black and white draft is painted (or photographic positive), a photosensitive plate making, a preparation of color paste, a screen printing.

Screen printing is mainly made of decorative shoes and boots. Because silk screen printing used to be more talked about in textile printing, this article focuses on the difference between leather printing and fabric printing. Therefore, the content of manuscript, plate making, scraper, screen printing and so on in the process of printing is not discussed much more frequently, and only the special requirements of leather printing are discussed.

　　 Shoe leather Printing mainly includes dyestuff printing, pigment printing and transfer printing. Silk screen printing is the main form here, with emphasis on dyestuff printing and pigment printing.

　　 Shoe leather Selection of printing aids

(1) aleurone C MA (P rintex. CMA): an ether starch with white appearance and anionic type and pH value of 1O. Similar products in China include CMS, CES, HES and so on. The Lufexal HEH printing paste produced by BASF has little influence on the feel of printed leather, and is especially suitable for pigment printing. It is worth popularizing in leather printing.

(2) emulsifier: pigment printing emulsifier often uses plain plus. As an emulsifier, it is a non-ionic surfactant.

(3) defoamer: there are foreign defoamers specially used in pigment printing, such as epoxy ethoxy, epoxide, 13 hydroxypropane, three stearic acid, ethylene oxide, propylene oxide and glycerol, and stearic acid. It is an aqueous defoamer, and its function is to eliminate foam produced under dynamic conditions, such as mixing and printing. The commonly used defoamer in domestic market are defoamer SI, isooctanol, turpentine, silicone oil and so on.