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    • 2. 发明授权
    • Pressure-sensitive adhesives for marking films
    • 用于标记膜的压敏粘合剂
    • US06569949B1
    • 2003-05-27
    • US09586122
    • 2000-06-02
    • Ivan S. P LeeGraham YeadonPaul Keller
    • Ivan S. P LeeGraham YeadonPaul Keller
    • C09J15104
    • C09J133/08C09J2201/606
    • Inherently tacky, pressure-sensitive adhesive compositions useful in marking film applications are provided. The compositions comprise polymer particles prepared by emulsion polymerization of at least one monomer mixture. The monomer mixture comprises at least one alkyl acrylate, the alkyl group of which has from about 4 to 12 carbon atoms, preferably in an amount of from about 73% to 90% by weight, at least one unsaturated carboxylic acid containing from about 3 to 5 carbon atoms, preferably in an amount of from about 2% to 12% by weight, and at least one hard monomer, preferably present in an amount of from about 5% to 15% by weight. The particles have a mean diameter of about 300 nm or less, as determined by laser light scattering. Preferably the hard monomer comprises a styrenic monomer, more preferably both a styrenic monomer and an alkyl methacrylate. In some embodiments, the compositions are prepared by sequential polymerization of the first and second monomer charges. The compositions may also contain one or more internal or external crosslinkers.
    • 本发明提供了用于标记膜应用的压敏粘合剂组合物。 组合物包含通过至少一种单体混合物的乳液聚合制备的聚合物颗粒。 单体混合物包含至少一种丙烯酸烷基酯,其烷基具有约4至12个碳原子,优选约73%至90%重量的至少一种不饱和羧酸,其含有约3至 5个碳原子,优选约2重量%至12重量%的量,和至少一种硬单体,优选以约5重量%至15重量%的量存在。 如通过激光散射确定的,颗粒具有约300nm或更小的平均直径。 优选地,硬单体包括苯乙烯单体,更优选苯乙烯单体和甲基丙烯酸烷基酯。 在一些实施方案中,通过第一和第二单体电荷的顺序聚合制备组合物。 组合物还可以含有一种或多种内部或外部交联剂。
    • 6. 发明授权
    • Adjustable ice breaker for an ice machine producing sheet ice
    • 用于制冰机冰机的可调式破冰机
    • US4510768A
    • 1985-04-16
    • US509322
    • 1983-06-30
    • Paul Keller
    • Paul Keller
    • F25C1/14F25C5/04F25C5/12
    • F25C1/145F25C5/046Y10S241/17Y10T403/125Y10T403/7021
    • An ice breaking head for an ice producing machine is adjustable for producing harvested ice of selected sizes. The ice making machine has a cylinder, the inner surface of which produces commercial sheet ice. The ice is harvested by forcing the ice from out of the cylinder toward an ice breaking head. The position of ice breaking head is adjustable to vary the size of the ice harvested. The head has an ice breaking surface which contains fins for facilitating the breaking of the ice sheet. It is journalled on a mounting post which has keys or ribs of increasing heights which match corresponding keyway slots in the bore of the head so that the spacing of the head, and hence the size of the ice harvested, can be adjusted by changing the rotational position of the head on its mounting post.
    • 用于制冰机的破冰头是可调节的,用于产生选定尺寸的收获冰。 制冰机具有圆筒,其内表面产生商业薄片冰。 通过迫使冰从气缸向冰块破碎的头部收获冰块。 破冰头的位置是可调节的,以改变收获的冰的大小。 头部具有破冰表面,其包含用于促进冰盖破裂的翅片。 它被安装在安装柱上,该​​安装柱具有不断增加的高度的键或肋,其与头部的孔中的对应的键槽相匹配,使得头部的间隔以及因此的收获的冰的尺寸可以通过改变旋转 头部在其安装柱上的位置。