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    FOOD-GRADE, VOC-FREE, ANTI-HUMECTANT LIMESTONE GRINDING
    1.
    发明公开
    FOOD-GRADE, VOC-FREE, ANTI-HUMECTANT LIMESTONE GRINDING 审中-公开
    食品级，无VOC，防霉剂石灰石研磨

    公开(公告)号：EP3225609A1

    公开(公告)日：2017-10-04

    申请号：EP16196739.3

    申请日：2016-11-01

    Applicant: GCP Applied Technologies Inc.

    Inventor： Gibson, Larry ,  Chun, Byong-Wa ,  Cheung, Josephine H. ,  Buzzell, Leslie A. J.

    IPC: C04B40/00 ,  C04B20/02

    Abstract: The present invention pertains to the discovery that short chain aliphatic fatty acids, such as potassium sorbate, can be used in liquid-additive grinding compositions in the amount of at least 10%, more preferably at least 20%, and most preferably at least 30%, to mill carbonate materials into smaller particle size. The carbonate material can optionally be combined with another inorganic material in the grinding operation, such as limestone, lime, dolomites, talc, titanium dioxide, alumina, and kaolin, ceramics, and cement clinker. The use of the particularly described grinding additive composition are VOC-free and food-grade or food-contact approved, and are believed by the present inventors to resist the humectant behavior of the resultant ground particles which could inherently otherwise decrease efficiency of the particulate grinding process.

    Abstract translation: 本发明涉及短链脂肪酸脂例如山梨酸钾可用于液体 - 添加剂研磨组合物中的量为至少10％，更优选至少20％，最优选至少30 ％，将碳酸盐材料磨成更小的粒度。 在研磨操作中，碳酸盐材料可以任选地与另一种无机材料结合，例如石灰石，石灰，白云石，滑石，二氧化钛，氧化铝和高岭土，陶瓷和水泥熟料。 特别描述的研磨添加剂组合物的使用是不含挥发性有机化合物和食品级或食品接触的，并且本发明人认为它们能够抵抗所得研磨颗粒的润湿剂行为，其本质上可能会降低颗粒研磨的效率 处理。

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