Process for preparing pellets of saponified ethylene/vinyl acetate copolymer
    1.
    发明授权
    Process for preparing pellets of saponified ethylene/vinyl acetate copolymer 有权
    制备皂化乙烯/乙酸乙烯酯共聚物颗粒的方法

    公开(公告)号:US06238606B1

    公开(公告)日:2001-05-29

    申请号:US09297688

    申请日:1999-05-06

    IPC分类号: B29C4700

    摘要: In the method of continuously producing pellets by continuously extruding a saponified ethylene-vinyl acetate (EVOH) solution in a strand form into a coagulation liquid and then cutting the resulting strand, the ratio between the weight X of the coagulation liquid and the weight Y of the strand of the saponified ethylene-vinyl acetate copolymer, namely the ratio X/Y, is set at 50 to 10,000. The coagulation liquid preferably contains 1 to 10,000 ppm of a carboxylic acid, 1 to 50,000 ppm of a carboxylic acid ester, or 1 to 15,000 ppm of a carboxylic acid salt. It is preferred as well that the water content of the continuously produced EVOH pellets be adjusted to 20 to 80% by weight and then brought into contact with an aqueous solution, having at least one boron compound, an acetic acid salt and a phosphoric acid compound.

    摘要翻译: 在通过将绞合形式的皂化乙烯 - 乙酸乙烯酯(EVOH)溶液连续挤出到凝结液中然后切割所得到的链条来连续生产颗粒的方法中,凝固液体的重量X与重量Y之间的比例 乙烯 - 乙酸乙烯酯共聚物的皂化链,即X / Y比为50〜10,000。 凝血液优选含有1〜10,000ppm的羧酸,1〜50,000ppm的羧酸酯或1〜15,000ppm的羧酸盐。 优选将连续制造的EVOH粒料的水含量调整为20〜80重量%,然后与具有至少一种硼化合物,乙酸盐和磷酸化合物的水溶液接触 。

    Hydrous pellets of ethylene-vinyl acetate copolymer hydrolyzate, production thereof and moldings from such hydrous pellets
    2.
    发明授权
    Hydrous pellets of ethylene-vinyl acetate copolymer hydrolyzate, production thereof and moldings from such hydrous pellets 失效
    乙烯 - 乙酸乙烯酯共聚物水解产物的水性颗粒,其生产和来自这种含水颗粒的模制品

    公开(公告)号:US06184288B2

    公开(公告)日:2001-02-06

    申请号:US09118018

    申请日:1998-07-17

    IPC分类号: C08F800

    CPC分类号: C08J3/12 C08J2329/04

    摘要: The hydrous ethylene-vinyl acetate copolymer hydrolyzate (EVOH) pellets of the present invention are characterized in that they are hydrous pellets of an ethylene-vinyl acetate copolymer hydrolyzate (EVOH) (A) having an ethylene content of 5 to 60 mole percent and a degree of saponification of not less than 90 mole percent and have a water content of 5 to 60% by weight and a storage elastic modulus at 20° C. of 2×106 to 5×107 Pa. These hydrous pellets preferably contain a small amount of an alcohol (B) containing 1 to 5 carbon atoms and/or a small amount of at least one compound (C) selected from the group consisting of a boron compound (c1), acetic acid (c2), an alkaline metal acetate (c3), an alkaline earth metal acetate (c4) and a phosphoric acid compound (c5).

    摘要翻译: 本发明的含水乙烯 - 乙酸乙烯酯共聚物水解物(EVOH)颗粒的特征在于它们是乙烯含量为5-60摩尔%的乙烯 - 乙酸乙烯酯共聚物水解产物(EVOH)(A)的含水颗粒, 皂化度为90摩尔%以上,水含量为5〜60重量%,20℃时的储能弹性模量为2×10 6〜5×10 7 Pa。这些含水丸料优选含有少量的醇( B)含有1至5个碳原子和/或少量至少一种选自硼化合物(c1),乙酸(c2),碱金属乙酸盐(c3), 碱土金属乙酸盐(c4)和磷酸化合物(c5)。

    Resin composition, process for preparing the same, and laminate containing layer of said resin composition
    3.
    发明授权
    Resin composition, process for preparing the same, and laminate containing layer of said resin composition 有权
    树脂组合物,其制备方法和所述树脂组合物的层压体含有层

    公开(公告)号:US06174949B1

    公开(公告)日:2001-01-16

    申请号:US09269222

    申请日:1999-03-23

    IPC分类号: C08K338

    摘要: A resin composition is provided which comprises (A) a saponified ethylene-vinyl acetate copolymer (referred to as EVOH for short) with an ethylene content of 20 to 60 mole percent and a saponification degree of not less than 90 mole percent, and contains therein (B) a boron compound as an essential component, (C) acetic acid as an optional component, and at least one compound selected from among (D) an acetic acid salt and (E) a phosphoric acid compound as an essential component, the contents of the respective additive components per 100 parts by weight of EVOH (A) being as follows: boron compound (B): 0.001 to 1 part by weight on the boron basis; acetic acid (C): 0 to 0.05 part by weight; acetic acid salt (D): 0.001 to 0.05 part by weight on the metal basis; and phosphoric acid compound (E): 0.0005 to 0.05 part by weight on the phosphate radical basis. This resin composition is typically produced by bringing EVOH (A) with a water content of 20 to 80% by weight into contact with an aqueous solution containing the respective additive components mentioned above and then subjecting the thus-treated EVOH to fluidized state drying and then to stationary state drying.

    摘要翻译: 提供一种树脂组合物,其包含(A)乙烯含量为20〜60摩尔%,皂化度为90摩尔%以上的乙烯 - 醋酸乙烯酯共聚物(简称为EVOH),并含有 (B)作为必要成分的硼化合物,(C)乙酸作为任选成分,以及选自(D)乙酸盐和(E)磷酸化合物作为必要成分的至少一种化合物, 相对于100重量份EVOH(A)的各添加成分的含量如下:硼化合物(B):以硼为0.001〜1重量份;乙酸(C):0〜0.05重量份; 乙酸盐(D):金属0.001〜0.05重量份; 磷酸化合物(E):基于磷酸根为0.0005〜0.05重量份。该树脂组合物通常通过使水含量为20〜80重量%的EVOH(A)与含有 然后将如此处理的EVOH进行流化状态干燥,然后进行静止状态干燥。

    Saponified ethylene-vinyl acetate copolymer pellets and method for their production
    4.
    发明授权
    Saponified ethylene-vinyl acetate copolymer pellets and method for their production 有权
    乙烯 - 乙酸乙烯酯共聚物皂化合物及其制备方法

    公开(公告)号:US06610233B1

    公开(公告)日:2003-08-26

    申请号:US09425729

    申请日:1999-10-22

    IPC分类号: D01F614

    摘要: The invention provides pellets of a saponified ethylene-vinyl acetate copolymer which are excellent in feedability, cause little fluctuation of extruder torque or discharge during molding, and yield shaped articles with high dimensional accuracy such as the high accuracy of form and thickness. The pellets of the invention are such that the differential curve representing the magnitude of change in the cumulative pore volume curve generated by measuring the fractional volume of surface pores by the mercury intrusion method has no peak within the pore diameter range of 1×102˜1×104 Å.

    摘要翻译: 本发明提供了一种皂化乙烯 - 乙酸乙烯酯共聚物的颗粒,其喂料性能优异,在挤出成型过程中引起挤出机扭矩或排出的波动很小,并且产生尺寸精度高的成型制品,例如形状和厚度的高精度。 本发明的颗粒使得表示通过用汞侵入法测量表面孔的分数体积而产生的累积孔体积曲线的变化幅度的微分曲线在1×102〜1×10 4的孔径范围内没有峰。

    Saponified ethylene-vinyl acetate copolymer resin composition and laminate having a layer of said resin composition
    6.
    发明授权
    Saponified ethylene-vinyl acetate copolymer resin composition and laminate having a layer of said resin composition 有权
    乙烯 - 乙酸乙烯酯共聚物树脂组合物和具有所述树脂组合物层的层压体

    公开(公告)号:US06232382B1

    公开(公告)日:2001-05-15

    申请号:US09164566

    申请日:1998-10-01

    IPC分类号: C08K504

    摘要: The saponified ethylene-vinyl acetate copolymer (EVOH) resin composition of the present invention is a composition comprising a saponified ethylene-vinyl acetate copolymer (EVOH) (A) having an ethylene content of 20-60 mole percent and a saponification degree of not less than 90 mole percent, magnesium acetate or/and calcium acetate (B) as an essential component and at least one of acetic acid (C), a boron compound (D) and sodium acetate (E) as an optional component, and is characterized in that the contents of the respective components in said composition, relative to 100 parts by weight of EVOH (A), are as follows: magnesium acetate or/and calcium acetate (B) 0.001-0.02 part by weight on the metal basis; acetic acid (C) 0-0.05 part by weight; the boron compound (D) 0-1 part by weight on the boron basis; and sodium acetate (E) 0-0.1 part by weight on the metal basis; and that the weight loss when said composition is maintained at a temperature (T+70)° C. higher by 70 ° C. than the melting point T° C. of said EVOH (A) for 1 hour is not more than 10% by weight. The laminate of the present invention is characterized in that a layer of a thermoplastic resin is disposed at least one side of a layer consisting of the EVOH resin composition mentioned above.

    摘要翻译: 本发明的皂化乙烯 - 乙酸乙烯酯共聚物(EVOH)树脂组合物是包含乙烯含量为20-60摩尔%的皂化乙烯 - 乙酸乙烯酯共聚物(EVOH)(A)和皂化度不少于 (C),硼化合物(D)和乙酸钠(E)中的至少一种作为必要成分,其特征在于:90摩尔%以上的乙酸镁或/和乙酸钙(B) 相对于100重量份EVOH(A),所述组合物中各组分的含量如下:乙酸镁或/和乙酸钙(B)0.001-0.02重量份,以金属为基准; 乙酸(C)0-0.05重量份; 硼化合物(D)以硼为基准0-1重量份; 和乙酸钠(E)0-0.1重量份的金属; 并且当所述组合物保持在比所述EVOH(A)的熔点T℃高出70℃的温度(T + 70)℃下1小时时的重量损失不大于10% 重量。 本发明的层叠体的特征在于,在上述EVOH树脂组合物构成的层的至少一侧配置热塑性树脂层。

    Toner conveying apparatus and image forming apparatus
    8.
    发明授权
    Toner conveying apparatus and image forming apparatus 有权
    调色剂输送装置和成像装置

    公开(公告)号:US08855522B2

    公开(公告)日:2014-10-07

    申请号:US13454303

    申请日:2012-04-24

    申请人: Kenji Ninomiya

    发明人: Kenji Ninomiya

    IPC分类号: G03G21/10

    摘要: A toner conveying apparatus includes a conveying unit providing a toner conveyance path having an inlet portion and an outlet portion and provided for conveying toner from the inlet portion to the outlet portion, and a first rotation member that is rotatable and located upstream in a toner conveying direction of the conveyance path, wherein the first rotation member rotates about a first rotating shaft to convey toner from an outside of the toner conveyance path toward the inlet portion. In addition, a second rotation member is rotatable and located downstream in the toner conveying direction of the conveyance path, wherein the second rotation member rotates about a second rotating shaft to convey toner from the outlet portion away from the toner conveyance path, and an agitation device agitates toner in the toner conveyance path. One end portion of the agitation device is connected to a first eccentric shaft eccentric with regard to the first rotation member and another end portion of the agitation device is connected to a second eccentric shaft eccentric with regard to the second rotation member.

    摘要翻译: 调色剂输送装置包括输送单元,其提供具有入口部分和出口部分并且用于将调色剂从入口部分输送到出口部分的调色剂输送路径,以及第一旋转构件,其可旋转并位于调色剂输送 方向,其中第一旋转构件围绕第一旋转轴旋转,以将调色剂从调色剂输送路径的外部输送到入口部分。 此外,第二旋转构件可旋转并且位于输送路径的调色剂输送方向的下游,其中第二旋转构件围绕第二旋转轴旋转,以将调色剂从出口部分输送离开调色剂输送路径,并且搅拌 设备搅拌调色剂输送路径中的调色剂。 搅拌装置的一端部相对于第一旋转构件与偏心偏心的第一偏心轴连接,而搅拌装置的另一端部相对于第二旋转构件与偏心轴相连。

    Image forming apparatus having fixing unit pressure release
    9.
    发明授权
    Image forming apparatus having fixing unit pressure release 有权
    具有固定单元压力释放的图像形成装置

    公开(公告)号:US08270874B2

    公开(公告)日:2012-09-18

    申请号:US12754869

    申请日:2010-04-06

    IPC分类号: G03G15/16 G03G21/00

    摘要: An image forming apparatus includes a main assembly, a first openable member openably and closably provided in the main assembly, a second openable member openably and closably provided in the main assembly, and a fixing unit for fixing a toner image formed on a recording material in the main assembly, with the fixing unit including a pressure applying mechanism for applying a pressure to a fixing nip of the fixing unit. In addition, a first arm transmits a first operation force, generated when the first openable member is opened by the operator, to the pressure applying mechanism to release the pressure applied to the fixing nip, and a second arm transmits a second operation force, generated when the second openable member is opened by the operator, to the pressure applying mechanism to release the pressure applied to the fixing nip. The fixing unit is detachably mountable relative to the main assembly and includes a pressure switching member, engaged to the pressure applying mechanism, to receive the first operation force via the first arm when the first openable member is opened and to move the pressure applying mechanism, and the second operation force generated when the second openable member is opened is transmitted to the pressure switching member.

    摘要翻译: 一种图像形成装置,包括主组件,可开闭地设置在主组件中的第一可打开构件,可开闭地设置在主组件中的第二可打开构件,以及用于固定形成在记录材料上的调色剂图像的定影单元 主组件,其中定影单元包括用于向定影单元的定影辊隙施加压力的压力施加机构。 此外,第一臂将第一可打开构件由操作者打开时产生的第一操作力传递到加压机构,以释放施加到定影辊隙的压力,并且第二臂传递第二操作力,所述第二操作力产生 当第二可打开构件被操作者打开时,到达压力施加机构以释放施加到定影辊隙的压力。 所述固定单元相对于所述主组件可拆卸地安装,并且包括与所述压力施加机构接合的压力切换构件,以在所述第一可打开构件打开时通过所述第一臂接收所述第一操作力并且移动所述压力施加机构, 并且当第二可打开构件打开时产生的第二操作力被传递到压力切换构件。