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    • 9. 发明申请
    • Bleach particle
    • 漂白颗粒
    • US20070249511A1
    • 2007-10-25
    • US11788068
    • 2007-04-19
    • Nigel Patrick Somerville RobertsVincenzo GuidaChristopher Charles GrahamGiulia Ottavia Bianchetti
    • Nigel Patrick Somerville RobertsVincenzo GuidaChristopher Charles GrahamGiulia Ottavia Bianchetti
    • C11D3/00
    • C11D3/3945
    • A bleach particle comprising: i) at least above about 50% by weight thereof of diacyl and/or tetraacyl peroxide bleaching species selected from diacyl peroxides of the general formula: R1—C(O)—OO—(O)C—R2 in which R1 represents a C6-C18 alkyl group and R2 represents an aliphatic group compatible with a peroxide moiety, such that R1 and R2 together contain a total of 8 to 30 carbon atoms; the tetraacyl peroxide bleaching species is selected from tetraacyl peroxides of the general formula: R3—C(O)—OO—C(O)—(CH2)n-C(O)—OO—C(O)—R3 in which R3 represents a C1-C9 alkyl group and n represents an integer from 2 to 12; and ii) from about 0.1% to about 10% by weight thereof of a radical scavenger.
    • 一种漂白颗粒,其包含:i)至少高于约50重量%的二酰基和/或四酰基过氧化物漂白物质,其选自以下通式的二酰基过氧化物:<?在线配方描述=“在线配方”末端 =“引线”→R 1 -C(O)-OO-(O)CR 2 <?in-line-formula description =“In-line Formulas” 末端=“尾”→其中R 1表示C 6 -C 18烷基和R 2 O 2 >表示与过氧化物部分相容的脂族基团,使得R 1和R 2 2共同含有8至30个碳原子; 四酰基过氧化物漂白物质选自以下通式的四酰基过氧化物:<?in-line-formula description =“In-line Formulas”end =“lead”?> R 3 -C(O )-OO-C(O) - (CH 2)nC(O)-OO-C(O)-R 3&lt;&lt; in-line-formula description = 其中R 3表示C 1 -C 9烷基的“直链式”末端=“尾”→,n表示 2到12的整数; 和ii)约0.1%至约10%重量的自由基清除剂。