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    • 21. 发明申请
    • PROCESS FOR PREPARING ETHYLENE-VINYL ALCOHOL COPOLYMER COMPOSITION, AND PROCESS FOR PRODUCING ETHYLENE-VINYL ALCOHOL COPOLYMER PELLETS
    • 制备乙烯 - 乙烯醇共聚物组合物的方法以及生产乙烯 - 乙烯醇共聚物颗粒的方法
    • US20100314791A1
    • 2010-12-16
    • US12810463
    • 2008-12-22
    • Keisuke FujimuraYasufumi BeniyaAkio HaraoYoshiharu NagaoShinji Okamoto
    • Keisuke FujimuraYasufumi BeniyaAkio HaraoYoshiharu NagaoShinji Okamoto
    • B29B9/02C08L31/02
    • B29B9/12C08J3/12C08J3/215C08J2323/08C08J2329/04C08K3/32C08K3/38C08K5/09
    • An ethylene-vinyl alcohol copolymer (EVOH) composition preparation process is provided, which comprises the steps of: feeding an EVOH alcohol solution into a tower type apparatus, the EVOH alcohol solution comprising 100 parts by weight of an EVOH and not less than 300 parts by weight of an alcohol having a carbon number of not greater than 4; bringing the EVOH alcohol solution into contact with water, and feeding out a part of the alcohol together with water from the apparatus to provide an EVOH water/alcohol mixture solution comprising 100 parts by weight of the EVOH, 10 to 200 parts by weight of the alcohol and 50 to 200 parts by weight of water; bringing the EVOH water/alcohol mixture solution into contact with water in an agitator container with stirring, and feeding out a part or all of the alcohol together with water from the container to provide an EVOH composition comprising 100 parts by weight of the EVOH, less than 10 parts by weight of the alcohol and 20 to 100 parts by weight of water. This preparation process makes it possible to efficiently replace the alcohol in the EVOH alcohol solution with water to provide a lower water content EVOH composition.
    • 提供乙烯 - 乙烯醇共聚物(EVOH)组合物制备方法,其包括以下步骤:将EVOH醇溶液进料到塔式设备中,EVOH醇溶液包含100重量份EVOH和不少于300份 重量的碳数不大于4的醇; 使EVOH醇溶液与水接触,并将一部分醇与来自该装置的水一起送出,以提供EVOH水/醇混合物溶液,其包含100重量份EVOH,10至200重量份的 醇和50〜200重量份的水; 使EVOH水/醇混合物溶液在搅拌容器中与水接触,并从容器中将水一部分或全部与水一起供给,以提供EVOH组合物,其包含100重量份EVOH,更少 大于10重量份的醇和20至100重量份的水。 该制备方法使得可以用水有效地代替EVOH醇溶液中的醇以提供较低的含水量的EVOH组合物。
    • 23. 发明申请
    • GOLF BALL MATERIAL AND METHOD OF PREPARING THE SAME
    • 高尔夫球材料及其制备方法
    • US20100160515A1
    • 2010-06-24
    • US12340793
    • 2008-12-22
    • Kae IIZUKAEiji TAKEHANA
    • Kae IIZUKAEiji TAKEHANA
    • C08K5/09C08L31/02
    • A63B37/0074A63B37/0003A63B37/0024A63B37/0051A63B45/00B29C45/0001B29C48/385B29L2031/54C08K3/22C08K5/098C08L23/0876C08L2205/02C08L2666/06
    • The invention provides a golf ball material made of a resin composition composed of (a) an olefin-unsaturated carboxylic acid copolymer and/or an olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester copolymer having a weight-average molecular weight (Mw) of from about 120,000 to about 200,000 and a weight-average molecular weight (Mw) to number-average molecular weight (Mn) ratio of from about 3.0 to about 10.0, or a metal neutralization product thereof, (b) an organic acid or a metal salt thereof, and (c) a basic inorganic metal which is capable of neutralizing acid groups in components (a) and (b). The golf ball material of the invention enables a highly neutralized ionomer having good flow properties and moldability to be achieved. Golf balls in which an injection molding of the golf ball material is used as the cover material have an excellent rebound and durability.
    • 本发明提供一种高分子材料,该树脂组合物由(a)烯烃 - 不饱和羧酸共聚物和/或烯烃 - 不饱和羧酸 - 不饱和羧酸酯共聚物组成,其重均分子量(Mw)为 约120,000至约200,000,重均分子量(Mw)与数均分子量(Mn)的比例为约3.0至约10.0,或其金属中和产物,(b)有机酸或金属 其盐,(c)能够中和(a)和(b)成分中的酸基的碱性无机金属。 本发明的高尔夫球材料能够实现具有良好流动性和成型性的高度中和的离聚物。 使用高尔夫球材料的注射成型的高尔夫球作为覆盖材料具有优异的回弹和耐久性。
    • 28. 发明授权
    • Water-absorbing agent
    • 吸水剂
    • US07638570B2
    • 2009-12-29
    • US10544337
    • 2004-02-02
    • Kazushi ToriiYoshiro MitsukamiMotohiro ImuraTaku Iwamura
    • Kazushi ToriiYoshiro MitsukamiMotohiro ImuraTaku Iwamura
    • C08L31/02A61L15/60
    • C08J3/245A61L15/60Y10T428/2982
    • There is disclosed a water-absorbing agent which combines both performances of the capillary suction force and the liquid permeability. This water-absorbing agent is a particulate water-absorbing agent comprising water-absorbent resin particles (α) and a liquid-permeability-enhancing agent (β), wherein the water-absorbent resin particles (α) are surface-crosslink-treated particles of a crosslinked polymer of a monomer including acrylic acid and/or its salt; with the water-absorbing agent being characterized in that the particulate water-absorbing agent has: a mass-average particle diameter (D50) in the range of 234 to 394 gm, a logarithmic standard deviation (σζ) of a particle diameter distribution in the range of 0.25 to 0.45, an absorption capacity without load (CRC) of not less than 15 g/g, and a water-extractable component content of not higher than 15 mass %; and further a liquid-permeability-enhancing agent (β) content in the range of 0.01 to 5 mass parts per 100 mass parts of the water-absorbent resin particles (α).
    • 公开了吸水剂,其结合了毛细吸力和液体渗透性的两种性能。 该吸水剂是含有吸水性树脂颗粒(α)和透液性增强剂(β)的颗粒状吸水剂,其中吸水性树脂颗粒(α)是表面交联处理颗粒 的包含丙烯酸和/或其盐的单体的交联聚合物; 吸水剂的特征在于,颗粒状吸水剂的质量平均粒径(D50)在234〜394gm的范围内,粒径分布的对数标准偏差(sigmazeta)在 范围为0.25〜0.45,无负载吸收容量(CRC)为15g / g以上,水可提取成分含量为15质量%以下; 并且每100质量份吸水性树脂颗粒(α)还含有0.01至5质量份范围内的透液性增强剂(β)含量。