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    • 83. 发明公开
    • 상온에서도 수용해성과 표백력이 우수한 입상과탄산나트륨 및 그 제조방법
    • 颗粒状碳酸钙及其生产方法,以提供卓越的水溶性和室温下的漂白功能,防止纤维中的脱色或损坏
    • KR1020040102925A
    • 2004-12-08
    • KR1020030034767
    • 2003-05-30
    • 박수근
    • 박수근
    • C11D7/54
    • C11D3/3953C11D3/3753C11D3/3937D06L4/00
    • PURPOSE: Granular sodium percarbonates and their production method are provided to improve water solubility at room temperature and bleaching power owing to complete dissolution and the increased amount of active oxygen, thereby preventing decolorization or damages in fibers. CONSTITUTION: The granular sodium percarbonates as a bleaching agent are produced by wet-reacting an aqueous solution of sodium carbonate which comprises at least one stabilizer selected from sodium silicate, magnesium sulfate and a sequestering agent with an aqueous solution of hydrogen peroxide, wherein, polyvinyl alcohol which has a degree of saponification of 75.0-99.5mol% and a degree of polymerization of 30-5000, and has a structure of formula 1: -(CH2C(OH)H)n-, is added to either or both of the solutions wherein n is the degree of polymerization.
    • 目的:提供粒状碳酸钠及其制备方法,以提高室温下的水溶性和完全溶解和增加活性氧量的漂白能力,从而防止纤维中的脱色或损伤。 构成:作为漂白剂的粒状过碳酸钠是通过将含有至少一种选自硅酸钠,硫酸镁和螯合剂的稳定剂的碳酸钠水溶液与过氧化氢水溶液湿反应制备的,其中聚乙烯 皂化度为75.0-99.5mol%,聚合度为30-5000的醇,并且具有式1的结构: - (CH 2 C(OH)H)n - 被加入到 其中n是聚合度的溶液。