公开(公告)号：US07780779B2

公开(公告)日：2010-08-24

申请号：US11349216

申请日：2006-02-08

申请人： Michael J. Garska ,  Ismail Yildirum ,  Robert J. Pruett ,  Johnny W. Larimore

发明人： Michael J. Garska ,  Ismail Yildirum ,  Robert J. Pruett ,  Johnny W. Larimore

IPC分类号： C04B14/04

CPC分类号： C09C1/42 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C01P2006/80

摘要： The Rio Capim Kaolin deposit contains a lower bed of soft kaolin clay that averages 10 meters thick, and an upper bed of “hard” kaolin (“RCC hard kaolin”) that may be as thick as 6 to 8 meters. Due to their high impurity content fine particle size, cementetious nature, and high degree of particle aggregation, hard kaolins are difficult to process. Disclosed herein are compositions comprising kaolin having a particle size distribution such that at least about 90% of the kaolin has a particle size of less than 1 micron and a GE brightness of at least about 91, where the kaolin may be derived from a crude kaolin having a Fe2O3 content of at least about 1.0% by weight, and optionally comprises titania in an amount of at least about 1.5% by weight. Also disclosed herein are methods of refining the hard kaolins, such as RCC hard kaolins, by dispersing the kaolin with at least one anionic organic dispersant and at least one inorganic dispersant. Also disclosed are compositions comprising an aqueous kaolin slurry comprising the hard kaolin, such as an RCC hard kaolin, at least one anionic organic dispersant, and at least one inorganic dispersant. Also disclosed are products containing the refined kaolin, such as paints, paper coatings, and plastics.

摘要翻译： 里约Capim高岭土沉积物含有平均厚度为10米的软质高岭土粘土床，以及厚度可达6至8米的“硬”高岭​​土（“RCC硬质高岭土”）上层床。 由于杂质含量高，细粒度大，粘结性好，颗粒聚集度高，硬质高岭土难以加工。 本文公开了包含高岭土的组合物，其具有使得至少约90％的高岭土具有小于1微米的粒度和至少约91的GE亮度的粒度分布，其中高岭土可以衍生自粗高岭土 具有至少约1.0重量％的Fe 2 O 3含量，并且任选地包含至少约1.5重量％的量的二氧化钛。 本文还公开了通过用至少一种阴离子有机分散剂和至少一种无机分散剂分散高岭土来精制硬质高岭土如RCC硬质高岭土的方法。 还公开了包含包含硬质高岭土的水性高岭土浆料如RCC硬质高岭土，至少一种阴离子有机分散剂和至少一种无机分散剂的组合物。 还公开了含有精制高岭土的产品，如油漆，纸张涂料和塑料。

公开(公告)号：US20080182743A1

公开(公告)日：2008-07-31

申请号：US11913423

申请日：2006-05-01

申请人： Ismail Yildirum ,  Robert J. Pruett

发明人： Ismail Yildirum ,  Robert J. Pruett

IPC分类号： C04B14/10 ,  B05D7/00 ,  C04B33/00 ,  B05C11/00

CPC分类号： C09C3/063 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/84 ,  C01P2006/21 ,  C01P2006/22 ,  C01P2006/60 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C04B33/04 ,  C04B35/62645 ,  C04B35/628 ,  C04B35/632 ,  C04B2235/5436 ,  C04B2235/9661 ,  C09C1/42 ,  C09C3/006 ,  C09C3/04

摘要： Disclosed herein is a method of heat-treating particulate material, such as kaolin. The method comprises providing a feed mixture comprising a particulate material, such as hydrous kaolin, wherein at least a portion of the particulate feed is coated with an additive/liquid fuel mixture comprising at least one additive dispersed in liquid fuel. The method further comprises heating the particulate feed to heat treat, e.g., calcine, the particulate feed and burn the liquid fuel to form a heat-treated product. The liquid fuel coating can act as a secondary, indirect heat source for heat treating.

摘要翻译： 本文公开了一种热处理颗粒材料如高岭土的方法。 该方法包括提供包含颗粒材料（例如含水高岭土）的进料混合物，其中至少一部分颗粒进料涂覆有包含分散在液体燃料中的至少一种添加剂的添加剂/液体燃料混合物。 该方法还包括加热颗粒进料以热处理例如煅烧颗粒进料并燃烧液态燃料以形成热处理产物。 液体燃料涂层可以作为用于热处理的二次间接热源。

公开(公告)号：US20060185557A1

公开(公告)日：2006-08-24

申请号：US11349216

申请日：2006-02-08

申请人： Michael Garska ,  Ismail Yildirum ,  Robert Pruett ,  Johnny Larimore

发明人： Michael Garska ,  Ismail Yildirum ,  Robert Pruett ,  Johnny Larimore

IPC分类号： C04B14/04 ,  C08K3/34

CPC分类号： C09C1/42 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C01P2006/80

摘要： The Rio Capim Kaolin deposit contains a lower bed of soft kaolin clay that averages 10 meters thick, and an upper bed of “hard” kaolin (“RCC hard kaolin”) that may be as thick as 6 to 8 meters. Due to their high impurity content fine particle size, cementetious nature, and high degree of particle aggregation, hard kaolins are difficult to process. Disclosed herein are compositions comprising kaolin having a particle size distribution such that at least about 90% of the kaolin has a particle size of less than 1 micron and a GE brightness of at least about 91, where the kaolin may be derived from a crude kaolin having a Fe2O3 content of at least about 1.0% by weight, and optionally comprises titania in an amount of at least about 1.5% by weight. Also disclosed herein are methods of refining the hard kaolins, such as RCC hard kaolins, by dispersing the kaolin with at least one anionic organic dispersant and at least one inorganic dispersant. Also disclosed are compositions comprising an aqueous kaolin slurry comprising the hard kaolin, such as an RCC hard kaolin, at least one anionic organic dispersant, and at least one inorganic dispersant. Also disclosed are products containing the refined kaolin, such as paints, paper coatings, and plastics.

摘要翻译： 里约Capim高岭土沉积物含有平均厚度为10米的软质高岭土粘土床，以及厚度可达6至8米的“硬”高岭​​土（“RCC硬质高岭土”）上层床。 由于杂质含量高，细粒度大，粘结性好，颗粒聚集度高，硬质高岭土难以加工。 本文公开了包含高岭土的组合物，其具有使得至少约90％的高岭土具有小于1微米的粒度和至少约91的GE亮度的粒度分布，其中高岭土可以衍生自粗高岭土 具有至少约1.0重量％的Fe 2 O 3 O 3含量，并且任选地包含至少约1.5重量％的量的二氧化钛。 本文还公开了通过用至少一种阴离子有机分散剂和至少一种无机分散剂分散高岭土来精制硬质高岭土如RCC硬质高岭土的方法。 还公开了包含包含硬质高岭土的水性高岭土浆料如RCC硬质高岭土，至少一种阴离子有机分散剂和至少一种无机分散剂的组合物。 还公开了含有精制高岭土的产品，如油漆，纸张涂料和塑料。