Investigation of the effect of para-amino benzoic acid (PABA) added starch-coated chemicals on the printability properties of paper

Journal of Applied Biomaterials & Functional Materials
Arif Ozcan

Abstract

Paper is the most important material of the printing industry and is being improved due to the increasing needs of industry. The most important process to improve the optical and physical properties of paper is the surface coating. Paper has a smoother and opaquer surface with surface coating. In addition, brightness, whiteness, and yellowness values   are improved with surface coating. Ultraviolet (UV) light in sunlight causes changes in the structure of the paper and coating chemicals and accordingly causes yellowing. Para-amino benzoic acid (PABA), due to its chemical structure, is a UV-blocking agent used in sunscreen creams. The effect of PABA on paper gloss, yellowness, and lightfastness values   was investigated by adding it into the surface coating formulation. For this purpose, coating formulations were prepared with cationic starch and 3%, 5%, and 7% PABA; coatings were applied to the paper according to laboratory condition standards. Coated papers were printed with an IGT-C1 lab-type offset printability device with magenta ink. The printed papers were then exposed to a light fastness test with Solarbox. The color, brightness, and yellowness values   of all samples before and after lightfastness were measured with an ...Continue Reading

References

May 22, 2018·International Journal of Biological Macromolecules·Mehrez E El-NaggarGamila H Ali
Jan 1, 2010·Comprehensive Reviews in Food Science and Food Safety·Khaoula KhwaldiaStephane Desobry

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