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Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp. The key in the deinking process is the ability to detach ink from the fibers. This is achieved by a combination of mechanical action and chemical means. In Europe the most common process is froth flotation deinking.
The de-inking process during paper recycling is also a source of emissions due to chemicals released in the effluent. The European Recovered Paper Council has developed the ‘deinkability scorecard’ so that the printed paper products which have the best recyclability when they are deinked can be identified.
Viscosity printing is a multi-color printmaking technique that incorporates principles of relief printing and intaglio printing. It was pioneered by Stanley William Hayter.. The process uses the principle of viscosity to print multiple colors of ink from a single plate, rather than relying upon multiple plates for color separation.
This is a partial list of text and image duplicating processes used in business and government from the Industrial Revolution forward. Some are mechanical and some are chemical. Some are mechanical and some are chemical.
These are situations when it would be impossible to apply the foundation of the work directly to the surface of the inked subject. In tensha-hō, the subject is prepared and inked as in the direct method. The image is then lifted from the subject after placing and pressing a piece of nylon or polyethylene on the ink-covered object. The transfer ...
À la poupée is a largely historic intaglio printmaking technique for making colour prints by applying different ink colours to a single printing plate using ball-shaped wads of cloth, one for each colour. The paper has just one run through the press, but the inking needs to be carefully re-done after each impression is printed.
Handwriting movement analysis is the study and analysis of the movements involved in handwriting and drawing. It forms an important part of graphonomics, which became established after the "International Workshop on Handwriting Movement Analysis" in 1982 in Nijmegen, The Netherlands.
The blueprint process is based on a photosensitive ferric compound. The best known is a process using ammonium ferric citrate and potassium ferricyanide. [6] [7] The paper is impregnated with a solution of ammonium ferric citrate and dried. When the paper is illuminated, a photoreaction turns the trivalent ferric iron into divalent ferrous iron.