| 摘要 |
<p>The present invention relates to a whiteness enhancer which enhances whiteness and detergency in a process of bleaching with hydrogen peroxide, to enhance impurity removality and whiteness if applying to bleaching cellulosic fiber, paper, pulp, and leather with hydrogen peroxide. A process of producing the whiteness enhancer comprises: a synthesis of homopolymer and copolymer by using double-bonded monomer such as acrylic acid, meta acrylic acid, and maleic anhydride; a secondary reaction with diethylenetriamine penta methylene phosphonic acid, ethylenediamine tetra acetic acid, nitrilotriacetic acid, and diethylenetriamine pentaacetic acid wherein the compounds contain tertiary amine structures; and manufacturing through a synthesis of N-carboxyl cyclic amide collected after vacuum distillation of organic acids which are produced from a reaction of polymer surfactants, cyclic amide, and organic acid anhydride synthesized through an additional reaction with bases such as NaOH and KOH.</p> |
