Producing method for bright yellow anti-myopia health-care paper

TLDR: A kind of peak yellow health-care paper protecting from myopia, and its preparation is described in this paper, where the process includes crushing wheat stalk, mixing sodium sulfite, sodium hydroxide, and anthraquinone with wheat stalk fibers, steam-boiling the said mixture in water to form paper pulp materials, sifting out them to remove impurities, adding liquid chlorine, sodium hyroxide and sodium hypochlorite into them, heating to bleach pulp materials and pulverizing pulp materials; adding alkali peak yellow, acid violet, aluminum sulph

Abstract: This invention refers to a kind of peak yellow health-care paper protecting from myopia, and its preparation The process includes crushing wheat stalk, mixing sodium sulfite, sodium hydroxide and anthraquinone with wheat stalk fibers, steam-boiling the said mixture in water to form paper pulp materials, sifting out them to remove impurities, adding liquid chlorine, sodium hydroxide and sodium hypochlorite into them, heating to bleach pulp materials, pulverizing pulp materials; Adding alkali peak yellow, acid violet, aluminum sulphate, rosin glue, dithionite oil etc into pulp materials, diluting paper pulp with water in order to adjust colour, putting paper pulp on shaped net according to meet finished paper thickness, heating and drying to get products This health-care paper is peak yellow, pretty and without lost fresh and hurt eyes Its surface is smoothness, water tolerance and oil tolerance, and physical strength and surface strength reaching the write paper standard