Coated paper used reforming fine fibrillated cellulose and a method of manufacturing the same, as well as the paper sheet with the addition of modified micro fibrillated cellulose, and the modified micro fibrillated cellulose

摘要

PROBLEM TO BE SOLVED: To provide a modified finely fibrillated cellulose usable as a clean internal additive for paper, capable of improving the wet paper strength by its addition to a paper basestock without exerting adverse effect on the environmental load and human body and free from the problems of non-uniform coated face, coating streak and defective printability caused by the coating of paper with a coating material added with the internal additive, and a method for producing the fibrillated cellulose, a paper sheet added with the modified finely fibrillated cellulose and a coated paper produced by coating a base paper surface with the modified finely fibrillated cellulose.;SOLUTION: This modified finely fibrillated cellulose has a carbonyl content of 0.05-6.5 mmol/g determined in conformity to semicarbazide method.;COPYRIGHT: (C)2002,JPO