Coated paper

Coated paper is paper which has been coated by a compound to impart certain qualities to the paper, including weight and improved surface gloss and smoothness or lower ink absorbency. Kaolinite or calcium carbonate are used to coat papers used for high quality printing used in packaging industry and in magazines. The chalk or china clay is bound to the paper with a synthetic viscofiers, such as styrene-butadiene latexes, and natural organic binder such starches. Coatings formulation may also contain chemical additives as dispersants, resins, PE: to give water resistance and wet strength to the paper[1], to protect against ultraviolet radiation…
Other types of paper coatings are for example polyethylene or polyolefin extrusion coating, silicone, wax coating to make release liners, paper cups, photographic paper.

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