Process of producing low-dust anionic surfactant concentrates in powder
or granule form with improved solubility in aqueous media
    1.
    发明授权
    Process of producing low-dust anionic surfactant concentrates in powder or granule form with improved solubility in aqueous media 失效
    生产低灰尘阴离子表面活性剂的方法是粉末或颗粒形式,在水性介质中具有改善的溶解性

    公开(公告)号:US5536430A

    公开(公告)日:1996-07-16

    申请号:US290860

    申请日:1994-10-12

    摘要: Anionic surfactant concentrates in the form of solid free-flowing powders and/or granules which may also be present as compounds in admixture with other auxiliaries and/or useful materials suitable for use in detergents and/or cleaning products and which have apparent densities of at least about 150 g/l are produced by hot drying of the water-containing preparations with superheated steam as the drying gas. Preferred apparent densities are above about 200 g/l and are preferably at least about 350 g/l. In addition, the pourable and free-flowing material is preferably in the form of a substantially dust-free material through the presence of dust-binding auxiliaries and/or useful materials and/or by regulation of the residual water content. In one preferred embodiment, the anionic surfactant concentrate is in the form of porous carrier beads with an absorbent porous inner structure.

    摘要翻译: PCT No.PCT / EP93 / 00302 Sec。 371日期:1994年10月12日 102(e)日期1994年10月12日PCT 1993年2月9日PCT公布。 公开号WO93 / 16165 日期:1993年8月19日。阴离子表面活性剂以固体自由流动的粉末和/或颗粒的形式浓缩,其也可以作为化合物以与适用于洗涤剂和/或清洁产品的其它助剂和/或有用材料混合的形式存在 并且具有至少约150g / l的表观密度通过用作为干燥气体的过热蒸汽的含水制剂进行热干燥而产生。 优选的表观密度高于约200g / l,优选至少约350g / l。 此外,可倾倒和自由流动的材料优选通过存在粉尘结合助剂和/或有用材料和/或通过调节残余水含量而基本上无粉尘的材料的形式。 在一个优选的实施方案中,阴离子表面活性剂浓缩物是具有吸收性多孔内部结构的多孔载体珠粒的形式。

    Process for the production of granules suitable as wetting agents,
detergents and/or cleaning products
    2.
    发明授权
    Process for the production of granules suitable as wetting agents, detergents and/or cleaning products 失效
    用于生产适合作为润湿剂,洗涤剂和/或清洁产品的颗粒的方法

    公开(公告)号:US5519948A

    公开(公告)日:1996-05-28

    申请号:US284613

    申请日:1994-10-26

    摘要: A process for the production of pourable, free-flowing granules which are suitable for use as wetting agents, detergents or cleaning products from aqueous solutions or suspensions of such materials in a fluidized-bed spray granulation apparatus employing a hot fluidizing gas. The aqueous selections or suspensions are dried with superheated steam as the fluidizing and drying gas wherein the drying step is carried out in a closed-loop system comprising a steam circuit from which the water evaporated from the aqueous solutions or suspensions of starting materials is removed as a partial stream and the thermal energy released is returned to the steam circuit. The granules are discharged from the granulation apparatus before they can be damaged by heat.

    摘要翻译: PCT No.PCT / EP93 / 00266 Sec。 371日期:1994年10月26日 102(e)日期1994年10月26日PCT提交1993年2月4日PCT公布。 出版物WO93 / 15813 日期1988年8月19日。一种用于生产可倾倒,自由流动的颗粒的方法,其适用于在水溶液或这些材料的悬浮液中用作润湿剂,洗涤剂或清洁产品,在流化床喷雾造粒设备中使用 热流化气。 水性选择或悬浮液用作为流化和干燥气体的过热蒸汽干燥,其中干燥步骤在闭环系统中进行,所述闭环系统包括蒸汽回路,从蒸汽回路中蒸发出水溶液或原料悬浮液, 部分流和释放的热能返回到蒸汽回路。 颗粒在造成热量损坏之前从造粒装置中排出。

    Process for the production of surface-active anionic surfactant salts
using superheated steam
    3.
    发明授权
    Process for the production of surface-active anionic surfactant salts using superheated steam 失效
    使用过热蒸汽生产表面活性阴离子表面活性剂盐的方法

    公开(公告)号:US5637560A

    公开(公告)日:1997-06-10

    申请号:US613395

    申请日:1996-03-11

    摘要: A process for the production of wetting-, washing- or cleaning-active anionic surfactant salts by reacting inorganic or organic bases with anionic surfactant intermediates containing hydrophilic negatively charged groups attached to hydrophobic hydrocarbon radicals. The salts are combined in a spray which is introduced into an inert gas phase of superheated steam whereby the spray is at least partly dried. In an embodiment of the process, the anionic surfactant intermediates are neutralized during the spraying step to form the salts.

    摘要翻译: 通过使无机或有机碱与含有连接到疏水性烃基上的亲水性带负电基团的阴离子表面活性剂中间体反应来生产润湿,洗涤或清洁活性阴离子表面活性剂盐的方法。 盐以喷雾的形式组合,其被引入过热蒸汽的惰性气相中,由此喷雾至少部分干燥。 在该方法的一个实施方案中,阴离子表面活性剂中间体在喷雾步骤期间被中和以形成盐。