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    • 8. 发明申请
    • METHOD FOR PURIFYING RESIN FOR PHOTOLITHOGRAPHY
    • 净化树脂的方法
    • US20140155564A1
    • 2014-06-05
    • US14071977
    • 2013-11-05
    • Maruzen Petrochemical Co., Ltd.
    • Tomo OIKAWA
    • C08F220/10
    • C08F220/10C08F6/28C08F232/08
    • Provided is a method for purifying a resin for photolithography wherein, from an insufficiently purified resin (also referred to as “crude resin”), low molecular weight impurities such as an unreacted monomer and a polymerization initiator, which cause a development defect of a resist pattern or deterioration of the storage stability of the resin for photolithography can be removed more effectively. A method for purifying a resin for photolithography according to the present invention is characterized by comprising: an operation (a): an operation wherein a slurry in which a resin is dispersed in a solution containing a good solvent and a poor solvent is stirred; and then, an operation (b): an operation wherein, to said slurry, a poor solvent is added to lower the ratio of the good solvent to the poor solvent, and then, the resin is separated from the solution.
    • 本发明提供了一种用于光刻的树脂的纯化方法,其中由不充分纯化的树脂(也称为“粗树脂”),低分子量杂质如未反应单体和聚合引发剂引起抗蚀剂的显影缺陷 可以更有效地除去用于光刻的树脂的储存稳定性的图案或劣化。 本发明的光刻用树脂的精制方法的特征在于,包括:操作(a):搅拌其中将树脂分散在含有良溶剂和不良溶剂的溶液中的浆料的操作; 然后进行操作(b):对所述浆料添加不良溶剂以降低良溶剂与不良溶剂的比例,然后将树脂与溶液分离的操作。
    • 10. 发明授权
    • Method of reducing odor of composite resin particles, and composite resin particles
    • 减少复合树脂颗粒和复合树脂颗粒气味的方法
    • US08507091B2
    • 2013-08-13
    • US13259289
    • 2010-03-24
    • Shinji IshidaHideyasu Matsumura
    • Shinji IshidaHideyasu Matsumura
    • B32B5/16
    • C08J9/0061C08F6/005C08F6/28C08J3/12C08J3/126C08J9/18C08J9/232C08J2323/02C08J2325/04C08J2351/06C08J2423/00C08J2425/00Y10T428/2982C08L25/06C08L23/00
    • A method of reducing an odor of composite resin particles comprising the step of: fluidizing the composite resin particles, which contain a polyolefin-based resin and a polystyrene-based resin and which are used for producing an expanded molded article, in a container with a gas that is blown thereinto from its bottom and that has a temperature of (T−40)° C. to (T−10)° C. (T is a softening temperature of the composite resin particles), to reduce the odor generated from a raw material of the composite resin particles and generated according to a method of the composite resin particles, wherein the composite resin particles whose odor is reduced are impregnated with a blowing agent; and the resultant is pre-expanded and then subject to an in-mold forming to make the expanded molded article have an odor strength of 3 or less in average value in odor test in which odor of an isovaleric acid diluted 100000 times is defined as 3, which means a reference odor, within 0 to 5 levels of the odor strength.
    • 一种降低复合树脂颗粒的气味的方法,包括以下步骤:将含有聚烯烃类树脂和聚苯乙烯类树脂的复合树脂颗粒流化,并将其用于制造膨胀模制品, 气体从其底部吹入,温度为(T-40)℃至(T-10)℃(T为复合树脂颗粒的软化温度),以减少由 根据复合树脂颗粒的方法产生的复合树脂颗粒的原料,其中气味被还原的复合树脂颗粒用发泡剂浸渍; 将所得物预扩张,然后进行模内成形,使得发泡成型品的气味试验中的异味的平均值的气味强度为3以下,将异戊酸稀释10000倍以上的气味定义为3 ,这意味着参考气味,在0至5级的气味强度。