Waterborne UV Curing Materials (9)
Means of UV radiation curing (UV) and electron beam (EB) curing, is an advanced surface treatment technology. It is to use UV / EB trigger chemical activity of liquid material with rapid cross-linking polymerization, instantly cured film. Since 1968 the German Bayer Company first developed the light-curing coatings, UV curing technology to achieve industrialization, has less than 40 years, but its momentum in the global development of rapidly growing application areas, the formation of a new industry. In the May 2004 meeting of the North American International Conference on Radiation Curing, UV / EB curing technology is summarized as a "5E" feature of industrial technology: Efficient high, Enabling adaptability, Economical economy, EnergySaving energy, EnvironmentalFriendly environmentally friendly. Therefore, UV / EB curing technology known as the green industry for the 21st century technology.
Water curing material has been present in the paper Varnish , Wood varnish, Screen printing inks , Electrodeposition photoresist field agent was applied, is developed for water-developable solder optical imaging agent, gravure ink, flexo ink, UV ink jet printing ink, leather, paint, fabric paint. Have included??
(1) paper varnish: This is the first application of water-based light-curing materials, one of the areas. A water-based UV base oil, water-based UV Varnish, now gloss 90%, can be online or offline single glazing glazing. Hong Yang Group, China such as Fujian, Shaanxi, Founder ink chemical company and so has the supply of goods.
(2) wood coatings: water-based light-cured material in wood and wood finishes have a high value, especially in the plywood and wood molding on the more favorable the coating. Low solid content of varnish, with excellent display of grain, increase the beauty of wood. Germany VianovaResins produced water curing coatings for wood coating, very popular.
(3) screen printing ink: water-based light-cured material is also an important field. Beijing Development Corporation IHT aqueous UV screen printing inks, for Outdoor advertising Propaganda, which is to welcome the Beijing 2008 Olympic Green Olympic products. Waterborne UV screen printing ink will be expected to be more widely used.
(4) electrodeposition resist: This is the resist in the hydrophilic photosensitive resin into a water-based photosensitive resin modified by electrodeposition after the formation of a thin laminate surface uniform and compact corrosion film, with a resolution up to 0.02 ~ 0.03mm, higher than the UV resist ink, dry and wet film resolution. This is a water-based light-curing material in the application of electronic chemicals in the instance.
(5) water-developable solder optical imaging agent: This is for base imaging optical imaging solder developed defects exist. It is the phenolic epoxy acrylic resin, the introduction of the thermal decomposition of water-soluble group can be turned into water-soluble resin, the group also at 100 with epoxy resin crosslinking reaction occurred, loss of hydrophilic, it cured film has excellent heat resistance and electrical performance.
(6) gravure inks and flexo inks: the current extensive use of gravure and flexo Water-based ink , Is suitable for water-based light-curing material to expand application areas, but to solve the stability and printability of ink can be useful, it is water-based light-curing material is an important application areas.
(7) inkjet ink: inkjet printing, as a non-contact, no pressure, no printed version of the digital printing, from the 90's last century was the rapid development of the last century emerged UV inkjet printing, In the Platform Inkjet Printer A large format, small volume production of billboards and outdoor signs to get widely used, water-based UV ink jet inks has used its low viscosity, the characteristics of business SUI can be a UV inkjet ink research and development directions.
(8) paint and fabric paint leather: leather (including leather) and a variety of fabrics are worn in the human body, thus requiring the use of environmentally friendly coatings in the production to the final dress will not be contaminated. The water-based light-curing coating is the best option, environmentally friendly, safe, efficient, high quality, so development of water-based paint curing leather and fabric coatings, water-based light-curing material is an important aspect of the application.
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