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    • 3. 发明授权
    • Method to transform bulk material
    • 转换散装材料的方法
    • US07913939B2
    • 2011-03-29
    • US11380884
    • 2006-04-28
    • Robert R. FrenchRobert A. Reeves
    • Robert R. FrenchRobert A. Reeves
    • B02C19/00
    • B30B9/02B02C23/00B03B9/005B30B3/04B30B9/20C10L5/08C10L5/24C10L9/00
    • The invention provides low-cost, non-thermal methods to transform and beneficiate bulk materials, including low rank coals such as peat, lignite, brown coal, subbituminous coal, other carbonaceous solids or derived feedstock. High pressure compaction and comminution processes are linked to transform the solid materials by eliminating interstitial, capillary, pores, or other voids that are present in the materials and that may contain liquid, air or gases that are detrimental to the quality and performance of the bulk materials, thereby beneficiating the bulk products to provide premium feedstock for industrial or commercial uses, such as electric power generation, gasification, liquefaction, and carbon activation. The handling characteristics, dust mitigation aspects and combustion emissions of the products may also be improved.
    • 本发明提供了低成本,非热的方法来转化和选择散装材料,包括低等级煤如泥煤,褐煤,褐煤,次烟煤,其他碳质固体或衍生原料。 高压压实和粉碎过程相互联系,通过消除材料中存在的间隙,毛细管,孔或其他空隙来转化固体材料,并且可能含有不利于散装质量和性能的液体,空气或气体 材料,从而有益于散装产品,以提供工业或商业用途的优质原料,例如发电,气化,液化和碳活化。 产品的处理特性,减尘方面和燃烧排放也可能得到改善。
    • 5. 发明授权
    • Polyethylene low temperature caulking composition
    • 聚乙烯低温铆接组合物
    • US07446146B2
    • 2008-11-04
    • US10947780
    • 2004-09-23
    • Michael J. StevensonRobert A. Reeves
    • Michael J. StevensonRobert A. Reeves
    • C08K5/01
    • C08K5/01B29C33/74B29C37/0057B29C41/003B29C41/06B29C41/20B29C41/22B29C73/02C08L2205/18C08L23/06
    • The polyethylene caulking composition of the invention is a mixture of a carrier and binder component and polyethylene powder. The carrier and binder component is a liquid hydrocarbon oil. The polymer is finely subdivided polyethylene, preferably ultra high molecular weight, having a low melt index, no greater than 30. The composition is thixotropic with a consistency of toothpaste, typically having a stirred viscosity up to 30,000 centipoise at ambient temperature, which is suitable for use as a caulking composition.The caulking composition of the invention can be extruded at low pressures through a caulking gun or from a squeeze tube to plug vent holes or perforations in molded, hollow-form polyethylene parts, or applied as a caulk onto the flange surfaces of rotational molds.
    • 本发明的聚乙烯填缝组合物是载体和粘合剂组分和聚乙烯粉末的混合物。 载体和粘合剂组分是液体烃油。 聚合物是精细细分的聚乙烯,优选超高分子量,具有低于30分钟的熔体指数,不大于30.该组合物具有对牙膏稠度的触变性,通常在环境温度下具有高达30,000厘泊的搅拌粘度,这是合适的 用作填缝组合物。 本发明的填缝组合物可以通过铆接枪或挤压管在低压下挤出,以堵塞模制的中空形聚乙烯部件中的通风孔或穿孔,或者作为填缝料施加到旋转模具的凸缘表面上。
    • 8. 发明授权
    • Printing ink, transfers, and methods of decorating polyolefin articles
    • 印刷油墨,转印和装饰聚烯烃制品的方法
    • US08349917B2
    • 2013-01-08
    • US12804794
    • 2010-07-28
    • Michael J. StevensonRobert A. Reeves
    • Michael J. StevensonRobert A. Reeves
    • C09D11/00
    • B41M3/12B41M5/392B41M5/395B41M2205/06B44C1/1712B44C1/1729C08K3/04C09D11/033C09D11/108Y10T156/10C08L23/06
    • The ink of the invention comprises a mixture of finely subdivided polyethylene powder, an aliphatic or aromatic hydrocarbon solvent, a dispersing agent, an indicia material additive such as a dye or pigment and/or a physical property enhancing additive such as alumina, glass beads, silica, metal flakes, etc. Preferably high and very high molecular weight polyethylene is used, alone or in mixture with lower density polyethylene in amounts from 25 to 45 weight percent in the ink. The polyethylene can have a particle size from 1 nanometer to 150 microns, preferably from 0.1 to 100 microns.The printing ink can be used to prepare a transfer having a decorative layer printed onto a carrier sheet. Various printing methods can be used to prepare the transfer such as gravure printing with etched or engraved chrome-plated or copper rolls; flexography printing with a flexible printing plate; and screen printing. The preferred method is screen printing. The printed layer is thermally treated to remove hydrocarbon solvent.The transfers are applied to the surfaces of molded polyethylene or polypropylene parts with adequate heat, pressure and time to fuse the transfers into the walls of the parts. For this application, the transfer is applied by a commercial hot-stamping, reciprocal press which heats the transfer to temperatures from 450° F. to 650° F., and compresses the transfers at a controlled pressure from 500 to 1000 psig. against a molded part, melting and fusing the transfers into the wall of the molded part.
    • 本发明的油墨包括精细细分的聚乙烯粉末,脂族或芳族烃溶剂,分散剂,标记材料添加剂如染料或颜料和/或物理性能增强添加剂如氧化铝,玻璃珠, 二氧化硅,金属薄片等。优选使用高分子量和非常高分子量的聚乙烯,单独或与低密度聚乙烯的混合物,其量为油墨中的25至45重量%。 聚乙烯可以具有1纳米至150微米,优选0.1至100微米的粒度。 印刷油墨可用于制备具有印刷在载体片上的装饰层的转印。 可以使用各种印刷方法来准备转印,例如用蚀刻或雕刻的镀铬或铜卷的凹版印刷; 柔性印刷用柔性印版; 和丝网印刷。 优选的方法是丝网印刷。 将印刷层进行热处理以除去烃溶剂。 将转移物以足够的热,压力和时间施加到模制的聚乙烯或聚丙烯部件的表面上,以将转移物熔合到部件的壁中。 对于这种应用,转移通过商业热冲压互逆压力机施加,其将转移加热到450°F至650°F的温度,并在500至1000psig的受控压力下压缩转移。 抵抗模制部件,熔融并将转移件融合到模制部件的壁中。
    • 9. 发明申请
    • METHOD TO TRANSFORM BULK MATERIAL
    • 改变大块材料的方法
    • US20110167715A1
    • 2011-07-14
    • US13046448
    • 2011-03-11
    • Robert R. FrenchRobert A. Reeves
    • Robert R. FrenchRobert A. Reeves
    • C10L5/00C10L5/02C10L1/04B02C19/00B02C21/00
    • B30B9/02B02C23/00B03B9/005B30B3/04B30B9/20C10L5/08C10L5/24C10L9/00
    • The invention provides low-cost, non-thermal methods to transform and beneficiate bulk materials, including low rank coals such as peat, lignite, brown coal, subbituminous coal, other carbonaceous solids or derived feedstock. High pressure compaction and comminution processes are linked to transform the solid materials by eliminating interstitial, capillary, pores, or other voids that are present in the materials and that may contain liquid, air or gases that are detrimental to the quality and performance of the bulk materials, thereby beneficiating the bulk products to provide premium feedstock for industrial or commercial uses, such as electric power generation, gasification, liquefaction, and carbon activation. The handling characteristics, dust mitigation aspects and combustion emissions of the products may also be improved.
    • 本发明提供了低成本,非热的方法来转化和选择散装材料,包括低等级煤如泥煤,褐煤,褐煤,次烟煤,其他碳质固体或衍生原料。 高压压实和粉碎过程相互联系,通过消除材料中存在的间隙,毛细管,孔或其他空隙来转化固体材料,并且可能含有不利于散装质量和性能的液体,空气或气体 材料,从而有益于散装产品,以提供工业或商业用途的优质原料,例如发电,气化,液化和碳活化。 产品的处理特性,减尘方面和燃烧排放也可能得到改善。
    • 10. 发明授权
    • Graphics transfers for use in rotational molding
    • 图形传输用于旋转成型
    • US07641842B2
    • 2010-01-05
    • US10348884
    • 2003-01-23
    • Michael J. StevensonRobert A. Reeves
    • Michael J. StevensonRobert A. Reeves
    • B29C39/12B28B1/20
    • B29C41/06B29C37/0032B29C41/20B29C2037/0042B29C2037/0046B44C1/1712Y10T428/28Y10T428/2826Y10T428/2848
    • This invention is an indicia transfer and method for its use to impart indicia to polyolefin objects during rotational molding. The transfer is a laminate of at least two, and preferably, three coats on a carrier sheet, which is preferably a flexible, transparent polymer sheet. The coats, as successive layers on the carrier sheet are: an optional backing coat of a backing-coat pressure sensitive adhesive, an indicia coat of a colorants in a graphic or alphanumerical array, and a top coat of a pressure sensitive adhesive. The pressure sensitive adhesive used for the backing coat has a transition melting temperature less than the surface temperature of the mold to which the transfer is to be applied while the top-coat pressure sensitive adhesive has a temperature sensitive adhesive which becomes tacky at the demolding temperature to enable transfer of the coats to the interior surface of a rotational mold. All the coats have melting temperatures which are less than the molding temperature to enable transfer and fusing of the transfers into the surface of the molded part.
    • 本发明是用于在旋转模制期间将标记赋予聚烯烃物体的标记转印和方法。 转印是载体片上的至少两个,优选三个涂层的层压体,其优选是柔性的,透明的聚合物片材。 作为载体片上的连续层的涂层是:背衬压敏粘合剂的任选背衬涂层,图形或字母数字阵列中着色剂的标记涂层和压敏粘合剂的顶涂层。 用于背衬涂料的压敏粘合剂的转变熔融温度小于要施加转印物的模具的表面温度,而顶涂层压敏粘合剂具有在脱模温度下变粘的温度敏感性粘合剂 以使外套能够转移到旋转模具的内表面。 所有的涂层都具有低于成型温度的熔化温度,以使得转移到模制部件的表面中的转移和熔融。