WATER-DISINTEGRABLE COMPOSITE FIBER AND METHOD OF PRODUCING THE SAME
    1.
    发明申请
    WATER-DISINTEGRABLE COMPOSITE FIBER AND METHOD OF PRODUCING THE SAME 审中-公开
    水消毒复合纤维及其制造方法

    公开(公告)号:US20140377555A1

    公开(公告)日:2014-12-25

    申请号:US14372507

    申请日:2013-02-21

    发明人: Kotaku Saigusa

    IPC分类号: D01F8/14 B29C47/00 D01F8/10

    摘要: A water-disintegrable composite fiber comprising: a phase containing a polyglycolic acid resin; and a phase containing another resin having a mass loss of 25% or greater after immersion for 7 days in 80° C. pure water and having a glass transition temperature Tg of 25° C. or higher; the two phases extending continuously in the lengthwise direction; and the fiber having a side surface in which a region formed from the phase containing the polyglycolic acid resin is 50% or less in terms of area ratio, and a cross section in which a region formed from the phase containing the polyglycolic acid resin is 50% or greater in terms of area ratio.

    摘要翻译: 一种水崩解复合纤维,包括:含有聚乙醇酸树脂的相; 以及在80℃纯水中浸渍7天后具有25℃以上的玻璃化转变温度Tg为25℃以上的质量损失为25%以上的另一种树脂的相。 两相沿长度方向连续延伸; 并且所述纤维具有侧面,其中由含有所述聚乙醇酸树脂的相形成的区域的面积的面积比为50%以下,从由所述聚乙醇酸树脂的相形成的区域为50的截面 %以上的面积比。

    POLYGLYCOLIC ACID RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME
    2.
    发明申请
    POLYGLYCOLIC ACID RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME 审中-公开
    聚乳酸树脂组合物及其制造方法

    公开(公告)号:US20150247021A1

    公开(公告)日:2015-09-03

    申请号:US14432840

    申请日:2013-10-09

    IPC分类号: C08K3/36 C08K3/34 C08J3/20

    摘要: A polyglycolic acid resin (PGA) composition which can be used as a packaging material or a material for a drilling downhole tool (member), the composition containing from 30 to 90 mass % of a PGA and from 70 to 10 mass % of an inorganic filler, wherein the percentage of mass loss of the PGA after immersion in water for 3 hours at a temperature of 120° C. is at least 20% and preferably at least 25%, and the deflection temperature under load is 120° C. or higher; and a method for producing a PGA composition, the method including a step of melt-kneading using an extruder.

    摘要翻译: 可用作包装材料的聚乙醇酸树脂(PGA)组合物或用于钻井井下工具(构件)的材料,该组合物含有30〜90质量%的PGA和70〜10质量%的无机 填料,其中在120℃的温度下浸渍在水中3小时后的PGA的质量损失百分比为至少20%,优选至少25%,负载下的挠曲温度为120℃,或 更高; 以及PGA组合物的制造方法,该方法包括使用挤出机进行熔融混炼的工序。