Talking about glazing
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The term "Shangshangguang" is familiar to the printing industry. It can't be separated from the processing of printed materials. A printed finished product can be used without glazing, but it can be done if it is to be processed by light. ‧In today's life, we can often get in touch with the processing of enamel enamel processing, such as beautiful magazine covers, illustrations, catalogues, cards, etc. It is really beautiful and people can't put it down. Today we will come to the glory. Do network exploration.
The English for glazing is Gloss Lamination, which is the method of processing on the surface of printed matter. Dominate a layer of Gloss film, which not only has the function of protecting the printed matter from dirt, but also makes the printed matter more beautiful. High added value. The above-mentioned stickers are not simply coated with a plastic film, but also coated with a layer of varnish (or glaze, varnish). There is also an article on the Internet, which is called the 〝 film, which means the same.
The above explanation is only a rough statement, because the development of glazing, from the early oily glazing to the current water-based glazing, UV glazing, film glazing, etc., the style has changed. For example, glazing does not necessarily mean that the enamel is brightened, but instead requires , so there is a mination mination mination mination mination mination mination mination mination mination mination mination mination mination mination mination mination mination mination mination Replace Matt (Gloss) with Matt.
The film coated with glazing, whether it is bright or matting film itself, is a transparent film. There are various materials such as PVC, PE, PP, etc., depending on the plastic composition. Sticking, and coating with transparent plastic (commonly known as glazing oil), there are PVA, PUR, UV and other materials. The popular local glazing nowadays is the use of screen printing to illuminate the transparent adhesive on the key text of the printed matter, which has both visual and tactile bulging and value multiplication.
The following is a description of a number of visible glazing terms and English abbreviations, which are convenient for readers to correspond to the media and methods used for glazing.
‧ Oil glazing: Oil glazing, also known as Solvent Base Vanish, is generally based on polyurethane, EVA (ethylene, vinyl acetate copolymer), polypropylene acetate as the main resin, and toluene, acetic acid Ester, gasoline and the like are solvents, supplemented by additives such as viscosity-increasing and anti-oxidation. Due to the shortcomings of organic solvents such as volatilization, toxic and flammable, the industry has gradually abandoned the use of water-based glazing oil.
‧ Waterborne Varnish: Water Base Vanish is a water-soluble film-forming resin (such as copolymer resin for acrylic systems), additives (such as curing agents, defoamers, dispersants, etc.) and solvents (such as water). , ethylene glycol or propylene glycol, etc., together for the full or partial coating of the printed matter.
‧ PVA Glue: PVA is the abbreviation of Polyvinyl Alcohol, which is a solvent-based varnish commonly used by early-stage operators.
‧ PVC film: PVC is Polyvinyl Chloride, which is a commonly used glazing film for early-stage operators.
‧ PP film: PP is an abbreviation for Polypropylene.
‧ PE film: PE is the abbreviation of Polyethylene. The transparency is slightly poor, but the texture is soft and the toughness is good.
‧ PET film: PET is the abbreviation of Polyethylene Terephthalate, which has good transparency but a slightly harder material.
‧ PUR glue: PUR is the abbreviation of hot-melt moisture-curing polyurethane (Polyurethane).
‧ OPP film: OPP is the abbreviation of Oriented Polypropylene.
‧ BOPP film: BOPP is the abbreviation of Biaxialy Oriented Polypropylene.
‧ UV coating: from prepolymer (a film-forming material is mostly acrylic resin), light trigger, reactive diluent (to adjust viscosity, fixed speed and cured film properties) and additives (such as stabilizers, Composition of leveling agent, defoamer, etc.). After the varnish is applied to the printed matter, it is dried by irradiation with ultraviolet rays (UV).
‧ EB glazing oil: EB is the meaning of Electron Beam Curing. The composition of EB glazing oil is similar to that of UV varnish, but it lacks light triggering agent. It is polymerized by strong impact of electron beam. dry.
Returning to the overall printing industry, glazing is part of Post Press's Finishing process, which can be an independent industry and is a downstream processing plant for printing houses. However, because people's requirements for printing quality are getting higher and higher, the taste is becoming more and more critical. The industry is constantly developing new glazing processing technology, which makes similar squeegee, matte glazing, three-dimensional embossed glazing and glitter glazing. The technology is released one by one to meet the needs of consumers, and consumers and readers continue to make a lot of praise.