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Dot Flowers to India dye printing process of microcapsules - dyeing, printing - silk screen printing industry, especially by big tree
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Dot Flowers to India dye printing process of microcapsules - dyeing, printing - silk screen printing industry, especially by BIG TREE
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| Article Posted: 06/24/2010 |
| Article Views: 27 |
| Articles Written: 1033 - MORE ARTICLES FROM THIS AUTHOR |
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Dot Flowers to India dye printing process of microcapsules - dyeing, printing - silk screen printing industry, especially |
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Business,Business News,Business Opportunities
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In fabric screen printing process, inks and colorants for printing negative phenomena arising from very large, because the general is more complicated. And printed material related to the failure of "spots" is one of them, that is part of the pattern printed fabrics, non-regular show varying shades of color dots or small fine line, also known as the color point.
HC screen Special Indian network Produce spots for many reasons, the printed materials, the production due to poor liquidity and blocking HIV-Mexican version; because of ink or dye printing paste, the concentration of particles; ink mixed with a small lump, in the Solvent Effect of softening, adhesion in the hole on the screen, will cause part of the screen can not ink on printed materials produced in spots, but spots are the main cause printing defects. In order to prevent the spots created, and various attempts to overcome it, such as the modulation with a fine mesh to filter good ink or printing paste and then use more. In most people follow the same approach to overcome the printing of the spots failure, few people use dot printing method, there will be no order, orderly arrangement of spots to form novel patterns or patterns, the birth of the "spot Print Law ", also known as multi-point multi-color printing or multicolor printing micro point. For example, some printing on polyester fabric, while the last spot available multicolor effect, get brilliant colors and innovative design. This process requires the use of micro-capsules Dye completed the spot printing.
Microencapsulated dye printing process 1. Microencapsulated dye Microencapsulated dye is the dye in the fine particles coated with a layer outside the outer membrane, in the printing process, the outer membrane to prevent mixing between the dyes, dye mixture if two or more spots on the printing effect is difficult to achieve. If the traditional printing process will be an ordinary yellow dye and blue dye in proportion to reconcile, in the same paste or ink will be a green printed materials, this method is monochrome printing. The above yellow and blue dye microcapsules respectively, due to the outer membrane of the separated, although in the same ink or printing paste system, but not between two kinds of contact with the dye color, not each other mixing; only when the temperature or pressure, the outer membrane rupture released dye to dye the fiber color, respectively, to achieve color printing purposes.
Microencapsulated dye printing technology and equipment in the conventional printing with much the same, but since the release of microencapsulated dye is dye, capsule membrane has a certain consistency, therefore, mixing, stirring and temperature must be strictly controlled, the most good sample test be conducted to obtain specific printing conditions, especially in terms of broken capsule should be tested to determine in advance in order to achieve satisfactory results. As the dye microcapsules prepared by different methods, the nature of the outer membrane will be different. Therefore, the composition of printing ink or paste according to terms of use to make the appropriate adjustments, such as chemical companies in Japan Lin microencapsulated disperse after the micro-capsules made of MCP-HP dye, addition of urea in the printing paste can accelerate the penetration of But with the spinning off of microcapsules prepared dye can not add urea; some are still not prepared slurry of water and so on.
2. Microencapsulated dye printing Microencapsulated dye printing is actually composed of the following five steps:
(1) Printing paste material Mixed; (2) printing; (3) micro-capsules burst, releasing the dye;
(4) colored dye in the fiber;
(5) remove the remaining dye. 3. Printing Process Spot shape can be due to different shape of microcapsules, microcapsules are spherical, oval, drop-shaped, scale-shaped, and spindle. Pattern formed by the dot pattern, as visual reasons, a distance, the pattern for the green pattern, close look at it is formed by the yellow and blue spots. Therefore, the dot printing different from "snowflake" effect is a printing method has a unique style, which gives a "color seen from afar, close it to see it."
Printing process is as follows: pre-drying printing baking (heat or pressure) drying finished soaping Printing can be double-sided operation
spots, spots in the fabric side to complete drying after printing, but also the other side to continue printing the same spot. Printed on each side can see the spots and the transmission came from the other side of the spot color pattern consisting of multi-color spots, and both sides of the main colors can vary. This double-sided multi-color spot printing products Clothing Or the use of interior decoration products, very popular.
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