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    • 2. 发明授权
    • Process for the production of tablet form detergent compositions
    • 用于生产片剂形式洗涤剂组合物的方法
    • US4587031A
    • 1986-05-06
    • US598626
    • 1984-04-10
    • Hans KruseMartin WitthausTheodor AltenschopferKlaus Schumann
    • Hans KruseMartin WitthausTheodor AltenschopferKlaus Schumann
    • C11D3/08C11D7/14C11D7/16C11D17/00
    • C11D7/16C11D17/0091C11D3/08C11D7/14
    • A process for the production of tablet form detergent compositions is afforded, comprising:(a) the partial hydration of from 10 to 60 parts by weight of an anhydrous sodium polyphosphate to form from 30 mole percent to less than 80 mole percent of tripolyphosphate hexahydrate;(b) mixing the partial hydrate with from 20 to 70 parts by weight of a powder-form, substantially anhydrous sodium silicate (Na.sub.2 O: SiO.sub.2 =1:1 to 1:4);(c) spraying the mixture with water or an aqueous silicate solution; and(d) granulation by agitation, followed by crystallization, other detergent ingredients optionally being added along with bleaches or enzymes, and adding from 1 to 5% by weight of sodium acetate or from 0.5 to 3% by weight of dicalcium phosphate dihydrate or a mixture thereof as a tableting aid, followed by tableting under a pressure of more than 70 kp/cm.sup.2, leading to mechanically strong, but rapidly dissolving tablet form detergent compositions.
    • 提供了一种生产片状洗涤剂组合物的方法,其包括:(a)10至60重量份的无水多磷酸钠的部分水合,以形成30摩尔%至小于80摩尔%的三聚磷酸六水合物; (b)将部分水合物与20至70重量份粉末形式的基本上无水的硅酸钠(Na 2 O:SiO 2 = 1:1至1:4)混合; (c)用水或硅酸盐水溶液喷洒混合物; 和(d)通过搅拌造粒,然后结晶,任选地与漂白剂或酶一起加入其它洗涤剂成分,并加入1至5重量%的乙酸钠或0.5至3重量%的磷酸二钙二水合物或 混合物作为压片助剂,然后在超过70kp / cm 2的压力下进行压片,导致机械强度但快速溶解的片剂形式的洗涤剂组合物。
    • 8. 发明授权
    • Process for the preparation of a stable, readily soluble granulate with
a content of bleach activators
    • 用于制备具有漂白活化剂含量的稳定,易溶的颗粒的方法
    • US4372868A
    • 1983-02-08
    • US246097
    • 1981-03-20
    • Herbert SaranMartin WitthausEduard SmuldersKarl Schwadtke
    • Herbert SaranMartin WitthausEduard SmuldersKarl Schwadtke
    • C11D7/54C11D3/39C11D17/00C11D3/30C11D3/395C11D11/00C11D17/06
    • C11D3/3935C11D17/0039
    • This invention relates to a process for preparing bleach activator granulates comprising from about 90 to 98 percent by weight of bleach activator and from about 10 to 2 percent by weight of granulating adjuvant, based on the weight of the anhydrous components, which comprises the steps of:(a) mixing powdered bleach activator which has a mean particle size of from about 0.01 to 0.8 mm with from about 50 to 100 percent by weight of the total granulating adjuvant to be used, which granulating adjuvant comprises a water-soluble cellulose ether, starch, or starch ether in the form of a free-flowing powder having a mean particle size of from about 0.01 to 0.8 mm;(b) moistening the mixture from step (a) with water or an aqueous solution containing the remainder of the granulating adjuvant in a solution of from about 0.1 to 10 percent by weight, based on the weight of the total solution;(c) granulating the moist mixture from step (b); and(d) drying the moist granulate from step (c) until the moisture content is less than 2 percent by weight, preferably less than 1 percent by weight. Additionally, during steps (a) or (b), a polysiloxane defoaming agent can be added.
    • 本发明涉及一种制备漂白活化剂颗粒的方法,其包含基于无水组分重量的约90至98重量%的漂白活化剂和约10至2重量%的造粒助剂,其包括以下步骤: :(a)将平均粒度为约0.01至0.8mm的粉末状漂白活化剂与所使用的总造粒助剂的约50至100重量%混合,该造粒助剂包含水溶性纤维素醚, 淀粉或淀粉醚,其形式为平均粒度为约0.01至0.8mm的自由流动的粉末; (b)基于总溶液的重量,将来自步骤(a)的混合物与含有剩余造粒助剂的水或含水溶液一起溶于约0.1至10重量%的溶液中; (c)将来自步骤(b)的湿混合物制粒; 和(d)将来自步骤(c)的潮湿颗粒干燥直到水分含量小于2重量%,优选小于1重量%。 另外,在步骤(a)或(b)中,可以加入聚硅氧烷消泡剂。