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    • 4. 发明授权
    • Q.sub.2 /Q.sub.3 alkali metal silicate/inorganic compound detergent
builders
    • Q2 / Q3碱金属硅酸盐/无机复合洗涤剂助剂
    • US6013617A
    • 2000-01-11
    • US588933
    • 1996-01-19
    • Patrick BoittiauxDaniel JoubertPascal TaquetJean-Claude KieferJerome Le Roux
    • Patrick BoittiauxDaniel JoubertPascal TaquetJean-Claude KieferJerome Le Roux
    • C11D7/12C11D7/14C11D17/00C01B33/32
    • C11D17/0034C11D7/12C11D7/14
    • Pulverulent detergent compositions, particularly suitable for washing and dishwashing machines, include a surfactant and a builder therefor, such builder comprising an alkali metal silicate advantageously having a SiO.sub.2 /M.sub.2 O molar ratio ranging from about 1.6 to 3.5, at least 30% and preferably at least 50% of the silicon atoms of which being in the Q.sub.2 and Q.sub.3 configurations, or such builder comprising said alkali metal silicate sorbed onto a particulate inert support substrate. Also, detergent compositing comprising (a) an aqueous solution of an alkali metal silicate having an SiO.sub.2 /M.sub.2 O molar ratio ranging from about 1.6 to 4, wherein M is an alkali metal, and (b) an inorganic compound which is inert with respect to such silicate and miscible in the aqueous silicate solution, notably an alkali metal carbonate, sulfate, borate, perborate, metasilicate, phosphate or polyphosphate, the inorganic compound constituting from 5% to less than 55% of the total weight of the composition, expressed on a dry basis, and the weight ratio of water remaining associated with the silicate/silicate, expressed on a dry basis, being greater than or equal to 33/100.
    • 特别适用于洗涤和洗碗机的粉煤洗涤剂组合物包括表面活性剂及其助洗剂,这种助洗剂包括有利地具有约1.6至3.5,至少30%,至少30%,优选至少30%的SiO 2 / M 2 O摩尔比的碱金属硅酸盐 其中硅原子的50%处于Q2和Q3构型,或者这种包含所述碱金属硅酸盐的助洗剂吸附在颗粒惰性载体衬底上。 此外,洗涤剂合成包括(a)SiO 2 / M 2 O摩尔比范围为约1.6至4的碱金属硅酸盐水溶液,其中M为碱金属,和(b)相对于 这种硅酸盐并且可混溶于含水硅酸盐溶液中,特别是碱金属碳酸盐,硫酸盐,硼酸盐,过硼酸盐,偏硅酸盐,磷酸盐或多磷酸盐,无机化合物占组合物总重量的5%至小于55% 以干基计,与硅酸盐/硅酸盐相关的水的重量比以干基计,大于或等于33/100。