Pre-treatment methods and compositions for carbon dioxide dry cleaning
    2.
    发明授权
    Pre-treatment methods and compositions for carbon dioxide dry cleaning 有权
    用于二氧化碳干洗的预处理方法和组合物

    公开(公告)号:US06491730B1

    公开(公告)日:2002-12-10

    申请号:US09621314

    申请日:2000-07-20

    IPC分类号: D06L108

    CPC分类号: D06L1/00 D06L1/16

    摘要: A method for dry-cleaning articles such as fabrics and clothing in carbon dioxide. The article includes a stained portion or region, which is pretreated with a pretreatment composition prior to initiating the cleaning cycle. The pretreatment step is followed by contacting the pretreated article to be cleaned with a liquid dry cleaning composition for a time sufficient to clean the article. The liquid dry-cleaning composition comprises a mixture of carbon dioxide, a surfactant, and an organic co-solvent. After the contacting step, the article is separated from the liquid dry cleaning composition. The pretreatment composition, in a preferred embodiment, comprises at least one of (a) a surfactant; (b) d-limonene, and (c) a C12-C15 alkane co-solvent. Preferably the pretreatment composition comprises at least two, and in some particularly preferred embodiments, the pretreatment composition comprises all three, of the aforesaid ingredients.

    摘要翻译: 用于在二氧化碳中干燥诸如织物和衣服的物品的方法。 该制品包括染色部分或区域,其在开始清洁循环之前用预处理组合物预处理。 预处理步骤之后,将待处理的待处理制品与液体干洗组合物接触足够时间以清洁制品。 液体干洗组合物包含二氧化碳,表面活性剂和有机共溶剂的混合物。 在接触步骤之后,将物品与液体干洗组合物分离。 在优选实施方案中,预处理组合物包含以下中的至少一种:(a)表面活性剂; (b)d-柠檬烯,和(c)C12-C15烷烃共溶剂。 优选地,预处理组合物包含至少两种,在一些特别优选的实施方案中,预处理组合物包含所有三种上述成分。

    Process for stabilization of dry cleaning solutions
    3.
    发明授权
    Process for stabilization of dry cleaning solutions 失效
    干洗解决方案的稳定化方法

    公开(公告)号:US06368359B1

    公开(公告)日:2002-04-09

    申请号:US09466484

    申请日:1999-12-17

    IPC分类号: D06L108

    摘要: A method for stabilizing silicone dry cleaning solvents that may contain an undesirable basic impurity capable of causing cyclic siloxane formation, comprising contacting the silicone solvent with an aqueous solution, and separating the silicone solvent.

    摘要翻译: 一种用于稳定可能含有能够引起环状硅氧烷形成的不希望的碱性杂质的硅氧烷干洗溶剂的方法,包括使硅氧烷溶剂与水溶液接触,并分离硅氧烷溶剂。