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1. 发明申请

US20090124775A1 VINYLPYRROLIDONE POLYMER SOLUTION, PROCESS FOR PRODUCING THE SAME, AND METHOD OF HANDLING VINYLPYRROLIDONE POLYMER 审中-公开
标题翻译：乙烯基吡咯烷酮聚合物溶液，其制备方法，以及处理乙烯基吡咯烷酮聚合物的方法
公开(公告)号：US20090124775A1
公开(公告)日：2009-05-14
申请号：US11718758
申请日：2005-11-04
申请人： Takashi Miyai , Yoshitomo Nakata , Yasuhiro Matsuda , Mitsuru Nakajima
发明人： Takashi Miyai , Yoshitomo Nakata , Yasuhiro Matsuda , Mitsuru Nakajima
IPC分类号： C08F26/10
CPC分类号： C08F226/10
摘要： To provide a high concentration solution of a vinylpyrrolidone polymer having a low K value, which can be used in various applications such as medical applications and applications where coloring is problematic. A monomer component essentially containing N-vinylpyrrolidone, hydrogen peroxide, and ammonia are sequentially added to a copper catalyst-containing aqueous solvent and polymerized at 55 to 90° C., and the ammonia is used in an amount of 0.1 to 0.37% by weight based on the N-vinylpyrrolidone. As a result, a 40 to 60% by weight solution of a vinylpyrrolidone polymer having a K value of 60 or less, wherein the solution has: an N-vinylpyrrolidone content of 10 ppm or less relative to the vinylpyrrolidone polymer; an alkanol concentration of 100 ppm or less; and an ignition residue of 0.1% by weight or less, and a 50% by weight solution of the vinylpyrrolidone polymer has a hue (APHA) according to JIS-K3331 of 280 or less.
摘要翻译：提供具有低K值的乙烯基吡咯烷酮聚合物的高浓度溶液，其可用于各种应用中，例如医疗应用和着色有问题的应用。将基本上含有N-乙烯基吡咯烷酮，过氧化氢和氨的单体组分依次加入到含铜催化剂的水性溶剂中并在55〜90℃下聚合，氨的用量为0.1〜0.37重量％基于N-乙烯基吡咯烷酮。结果，具有K值为60以下的乙烯基吡咯烷酮聚合物的40〜60重量％的溶液，其中所述溶液具有相对于所述乙烯基吡咯烷酮聚合物为10ppm以下的N-乙烯基吡咯烷酮含量; 链烷醇浓度为100ppm以下; 和0.1重量％以下的点火残渣，50重量％的乙烯基吡咯烷酮聚合物的溶液的色相（APHA）根据JIS-K3331为280以下。

2. 发明授权

US06498231B2 Vinylpyrrolidone polymer and its stabilization and preservation processes 失效
公开(公告)号：US06498231B2
公开(公告)日：2002-12-24
申请号：US09998665
申请日：2001-12-03
申请人： Daijo Tomihisa , Toshiaki Kuriyama , Tomiyasu Ueta , Akio Naka , Hideyuki Nishibayashi , Yoshitomo Nakata
发明人： Daijo Tomihisa , Toshiaki Kuriyama , Tomiyasu Ueta , Akio Naka , Hideyuki Nishibayashi , Yoshitomo Nakata
IPC分类号： C08F600
CPC分类号： C08K5/005 , C08K5/13 , C08L39/06
摘要： The present invention provides: a vinylpyrrolidone polymer which exhibits good heat resistance and storage stability; a composition containing the vinylpyrrolidone polymer; a stabilization process for the vinylpyrrolidone polymer, and a preservation process for a vinylpyrrolidone polymer by which: even when the vinylpyrrolidone polymer is preserved for a long time or at high temperature, the physical properties such as molecular weight (K value) of the vinylpyrrolidone polymer can be prevented from changing, therefore the vinylpyrrolidone polymer can stably be preserved. To enhance the heat resistance and the storage stability, a vinylpyrrolidone polymer is mixed with a certain amount of antioxidant, and the oxygen concentration is suppressed to not higher than 50,000 ppm in a gas phase that contacts with the vinylpyrrolidone polymer when preserving.

3. 发明申请

US20100168363A1 Low Birefringent Copolymers 审中-公开
标题翻译：低双折射共聚物
公开(公告)号：US20100168363A1
公开(公告)日：2010-07-01
申请号：US11989945
申请日：2006-08-02
申请人： Ken-ichi Ueda , Hiroko Izumi , Yoshitomo Nakata , Nobuhiro Maeda
发明人： Ken-ichi Ueda , Hiroko Izumi , Yoshitomo Nakata , Nobuhiro Maeda
IPC分类号： C08F220/10
CPC分类号： C08F8/16 , C08F8/48 , C08F212/08 , C08F220/06 , C08F220/14 , C08F220/28 , C08F222/40
摘要： The low birefringent material of the present invention is, for example, an acrylic copolymer including a lactone ring structure which can provide a positive retardation and a structural unit which can provide a negative retardation, the acrylic copolymer satisfying following conditions that: (A) the copolymer has a glass transition temperature (Tg) of 100° C. or higher; (B) a film comprising the copolymer has a total light transmittance of 85% or higher; and (C) a retardation per 100 μm of thickness in an in-plane direction of the film is 10 nm or lower, and a difference between a retardation per 100 μm of thickness in an in-plane direction of the film after the film is drawn by 1.5 times and a retardation per 100 μm of thickness in an in-plane direction of the film before the film is drawn is 20 nm or lower. The low birefringent material of the present invention has excellent transparency and heat resistance, also has other desired properties including mechanical strength and forming processability, has low coloration properties when no nitrogen atom is contained, and particularly has high optical isotropy.
摘要翻译：本发明的低双折射材料是例如包含可提供正相位差的内酯环结构的丙烯酸共聚物和可提供负相位差的结构单元，所述丙烯酸共聚物满足以下条件：（A）共聚物的玻璃化转变温度（Tg）为100℃以上; （B）包含共聚物的膜的总透光率为85％以上; 和（C）膜的面内方向每100μm厚度的延迟为10nm以下，膜后的膜的面内方向的每100μm厚度的延迟差为拉伸1.5倍，并且在拉伸膜之前在膜的面内方向上每100μm厚度的延迟为20nm以下。本发明的低双折射材料具有优异的透明性和耐热性，还具有包括机械强度和成形加工性在内的其它期望的性能，当不含氮原子时具有低着色性，特别是具有高的光学各向同性。

4. 发明申请

US20080247981A1 Vinylpyrrolidone/Vinyl Acetate Copolymer, Process for Producing the Same, and Use of the Same 审中-公开
标题翻译：乙烯基吡咯烷酮/乙酸乙烯酯共聚物，其制备方法及其用途
公开(公告)号：US20080247981A1
公开(公告)日：2008-10-09
申请号：US11718755
申请日：2005-11-04
申请人： Daisuke Imai , Keiko Izumi , Yoshitomo Nakata
发明人： Daisuke Imai , Keiko Izumi , Yoshitomo Nakata
IPC分类号： C08F26/08 , A61K8/81 , A61Q5/06
CPC分类号： A61K8/8182 , A61K8/042 , A61Q5/06 , C08F218/08 , C08F226/10
摘要： To provide a vinylpyrrolidone/vinyl acetate copolymer which is extremely reduced in thermal yellowing and is usable even at high temperatures and which can dissolve in water to give a transparent solution. The vinylpyrrolidone/vinyl acetate copolymer of the present invention has a residual vinylpyrrolidone content of 100 ppm or less relative to a solid content of the copolymer. A 5% by weight aqueous solution of the copolymer has an NTU value of 4.0 or less. A 50% aqueous solution of the copolymer has a Hazen color number (APHA) according to JIS-K3331 of 350 or less, the Hazen color number being measured by the following accelerated test.
摘要翻译：提供一种乙烯基吡咯烷酮/乙酸乙烯酯共聚物，其在热黄变中极度降低，并且即使在高温下也可使用，并且可溶于水以提供透明溶液。本发明的乙烯基吡咯烷酮/乙酸乙烯酯共聚物相对于共聚物的固体成分的残留乙烯基吡咯烷酮含量为100ppm以下。共聚物的5重量％水溶液的NTU值为4.0以下。共聚物的50％水溶液根据JIS-K3331的Hazen色数（APHA）为350以下，通过以下加速试验测定Hazen色数。

5. 发明授权

US07851568B2 Vinylpyrrolidone-based copolymer and a method for production thereof 有权
标题翻译：乙烯基吡咯烷酮类共聚物及其制造方法
公开(公告)号：US07851568B2
公开(公告)日：2010-12-14
申请号：US11907906
申请日：2007-10-18
申请人： Daisuke Imai , Keiko Izumi , Yoshitomo Nakata
发明人： Daisuke Imai , Keiko Izumi , Yoshitomo Nakata
IPC分类号： C08F26/10
CPC分类号： C08F226/10
摘要： There is provided a vinylpyrrolidone-based copolymer having as essential components N-vinylpyrrolidone and hydroxyl group-containing (meth)acrylate, which gives a favorable crosslinked coating film, and a method for production by which the copolymer is easily obtained.A vinylpyrrolidone-based copolymer of the present invention contains a constitutional unit derived from N-vinylpyrrolidone and a constitutional unit derived from hydroxyl group-containing (meth)acrylate at a specific ratio, in which a K value according to Fikentscher is 12 or more, water insoluble matter is 0.5% by mass (on the basis of solid content) or less, and each content of iron, nickel, chromium, sodium and calcium is 500 ppb (on the basis of mass: the same hereinafter) or less, or electrical conductivity of a 10% by mass-aqueous solution of the vinylpyrrolidone-based copolymer is 35 μS/cm or less.
摘要翻译：提供了作为必要成分的N-乙烯基吡咯烷酮和含羟基（甲基）丙烯酸酯的乙烯基吡咯烷酮类共聚物，其具有良好的交联涂膜，以及易于获得共聚物的制造方法。本发明的基于乙烯基吡咯烷酮的共聚物含有由N-乙烯基吡咯烷酮衍生的结构单元和来自含羟基（甲基）丙烯酸酯的结构单元，其特征在于，其中根据Fikentscher的K值为12以上，水不溶物为0.5质量％（以固体成分为基准）以下，铁，镍，铬，钠和钙的含量为500ppb（以质量计：下同）或以下乙烯基吡咯烷酮类共聚物的10质量％水溶液的导电率为35μS/ cm以下。

6. 发明授权

US06642333B2 Vinylpyrrolidone (co)polymer 失效
标题翻译：乙烯基吡咯烷酮（共）聚合物
公开(公告)号：US06642333B2
公开(公告)日：2003-11-04
申请号：US10394148
申请日：2003-03-24
申请人： Yoshitomo Nakata
发明人： Yoshitomo Nakata
IPC分类号： C08F2608
CPC分类号： C08F26/10
摘要： The present invention provides a vinylpyrrolidone (co)polymer excellent in the color tone and the thermal yellowing resistance despite its low molecular weight. The vinylpyrrolidone (co)polymer, according to the present invention, is a vinylpyrrolidone (co)polymer which has a Hazen value of not more than 30 in the form of 5% aqueous solution and a K value of not more than 60 and is obtained by a process including the step of polymerizing a polymerizable monomer component with an azo compound initiator and/or an organic peroxide initiator, wherein the polymerizable monomer component includes N-vinylpyrrolidone, and wherein the azo compound initiator has a chemical structure as shown by —C(CH3)2—N═N—C(CH3)2—, and wherein the organic peroxide initiator is soluble in water or ethyl alcohol of 25° C. in an amount of not smaller than 3 weight %.
摘要翻译：本发明提供尽管分子量低的色调和耐热黄变性优异的乙烯基吡咯烷酮（共）聚合物。根据本发明的乙烯基吡咯烷酮（共）聚合物是以5％水溶液的形式具有不大于30的Hazen值和不大于60的K值的乙烯基吡咯烷酮（共）聚合物，并且获得通过包括使可聚合单体组分与偶氮化合物引发剂和/或有机过氧化物引发剂聚合的步骤的方法，其中可聚合单体组分包括N-乙烯基吡咯烷酮，并且其中偶氮化合物引发剂具有如-C （CH 3）2 -N = NC（CH 3）2，其中有机过氧化物引发剂可溶于不低于3重量％的25℃的水或乙醇中。

7. 发明授权

US06346600B1 Vinylpyrrolidone polymer and its stabilization and preservation processes 有权
公开(公告)号：US06346600B1
公开(公告)日：2002-02-12
申请号：US09544631
申请日：2000-04-06
申请人： Daijo Tomihisa , Toshiaki Kuriyama , Tomiyasu Ueta , Akio Naka , Hideyuki Nishibayashi , Yoshitomo Nakata
发明人： Daijo Tomihisa , Toshiaki Kuriyama , Tomiyasu Ueta , Akio Naka , Hideyuki Nishibayashi , Yoshitomo Nakata
IPC分类号： C07G100
CPC分类号： C08K5/005 , C08K5/13 , C08L39/06
摘要： The present invention provides: a vinylpyrrolidone polymer which exhibits good heat resistance and storage stability; a composition containing the vinylpyrrolidone polymer; a stabilization process for the vinylpyrrolidone polymer, and a preservation process for a vinylpyrrolidone polymer by which: even when the vinylpyrrolidone polymer is preserved for a long time or at high temperature, the physical properties such as molecular weight (K value) of the vinylpyrrolidone polymer can be prevented from changing, therefore the vinylpyrrolidone polymer can stably be preserved. To enhance the heat resistance and the storage stability, a vinylpyrrolidone polymer is mixed with a certain amount of antioxidant, and the oxygen concentration is suppressed to not higher than 50,000 ppm in a gas phase that contacts with the vinylpyrrolidone polymer when preserving.

8. 发明申请

US20080220235A1 Amorphous Thermoplastic Resin and Extruded Film or Sheet 审中-公开
标题翻译：无定形热塑性树脂和挤压膜或片材
公开(公告)号：US20080220235A1
公开(公告)日：2008-09-11
申请号：US12089139
申请日：2006-09-29
申请人： Hiroko Izumi , Yoshitomo Nakata , Kenichi Ueda
发明人： Hiroko Izumi , Yoshitomo Nakata , Kenichi Ueda
IPC分类号： C08F220/18 , C08F220/36 , C08F8/16
CPC分类号： C08J5/18 , C08F8/16 , C08F220/14 , C08F220/36 , C08J2333/06 , C08L37/00 , C08F220/26
摘要： To provide an amorphous thermoplastic resin and a film or sheet each having high transparency and high heat resistance and a UV-absorbing ability, which can be used in various optical materials which needs to have excellent optical characteristics and well-balanced mechanical strength, molding processability, and surface hardness. An amorphous thermoplastic resin including a UV-absorbing monomer unit and having a glass transition temperature of 120° C. or more, in which the amorphous thermoplastic resin has a light transmittance of 80% or more at 500 nm and a light transmittance of less than 30% at 380 nm.
摘要翻译：为了提供可以用于需要具有优异的光学特性和良好平衡的机械强度的各种光学材料中的具有高透明度，高耐热性和UV吸收能力的无定形热塑性树脂和膜或片，成型加工性，和表面硬度。一种无定形热塑性树脂，其包含紫外线吸收性单体单元，玻璃化转变温度为120℃以上，所述无定形热塑性树脂在500nm下的透光率为80％以上，透光率小于在380nm处为30％。

9. 发明申请

US20080154001A1 Vinylpyrrolidone-based copolymer and a method for production thereof 有权
标题翻译：乙烯基吡咯烷酮类共聚物及其制造方法
公开(公告)号：US20080154001A1
公开(公告)日：2008-06-26
申请号：US11907906
申请日：2007-10-18
申请人： Daisuke Imai , Keiko Izumi , Yoshitomo Nakata
发明人： Daisuke Imai , Keiko Izumi , Yoshitomo Nakata
IPC分类号： C08F226/10
CPC分类号： C08F226/10
摘要： There is provided a vinylpyrrolidone-based copolymer having as essential components N-vinylpyrrolidone and hydroxyl group-containing (meth)acrylate, which gives a favorable crosslinked coating film, and a method for production by which the copolymer is easily obtained.A vinylpyrrolidone-based copolymer of the present invention contains a constitutional unit derived from N-vinylpyrrolidone and a constitutional unit derived from hydroxyl group-containing (meth)acrylate at a specific ratio, in which a K value according to Fikentscher is 12 or more, water insoluble matter is 0.5% by mass (on the basis of solid content) or less, and each content of iron, nickel, chromium, sodium and calcium is 500 ppb (on the basis of mass: the same hereinafter) or less, or electrical conductivity of a 10% by mass-aqueous solution of the vinylpyrrolidone-based copolymer is 35 μS/cm or less.
摘要翻译：提供了作为必要成分的N-乙烯基吡咯烷酮和含羟基（甲基）丙烯酸酯的乙烯基吡咯烷酮类共聚物，其具有良好的交联涂膜，以及易于获得共聚物的制造方法。本发明的基于乙烯基吡咯烷酮的共聚物含有由N-乙烯基吡咯烷酮衍生的结构单元和来自含羟基（甲基）丙烯酸酯的结构单元，其特征在于，其中根据Fikentscher的K值为12以上，水不溶物为0.5质量％（以固体成分为基准）以下，铁，镍，铬，钠和钙的含量为500ppb（以质量计：下同）或以下乙烯基吡咯烷酮类共聚物的10质量％水溶液的导电率为35μS/ cm以下。

10. 发明授权

US07345103B2 Hydraulic composition 失效
标题翻译：液压成分
公开(公告)号：US07345103B2
公开(公告)日：2008-03-18
申请号：US10931233
申请日：2004-09-01
申请人： Yoshitomo Nakata , Norihiro Wakao , Takashi Tomita
发明人： Yoshitomo Nakata , Norihiro Wakao , Takashi Tomita
IPC分类号： C04B24/26
CPC分类号： C04B24/2652 , C04B28/02 , C04B28/08 , C04B40/0039 , C04B2103/44 , C08F220/06 , C08F226/10 , Y02W30/92 , Y02W30/94 , C04B14/28 , C04B18/08 , C04B18/141 , C04B2103/32 , C04B7/02 , C04B7/323 , C04B14/06 , C04B18/146 , C04B2103/302
摘要： It is an object of the present invention to provide a hydraulic composition which enables both of high fluidity and material separation reducing and can eliminate the delay of setting. The present invention is directed to a hydraulic composition comprising cement (A), a copolymer (B), a high-performance water reducing agent (C) and a powdery cement admixture (D), wherein the copolymer (B) comprises a repeating unit (I) represented by the following formula (1); (wherein R1 represents a hydrogen atom or a methyl group. n is an integer of 2 to 4.), and a repeating unit (II) represented by the following general formula (2); (wherein R2, R3 and R4 are same or different and each represents a hydrogen atom, a methyl group or a (CH2)pCOOM2 group, and may form a structure of an anhydride when the total number of COOM1 groups and COOM2 groups are 2. M1 and M2 are same or different and each represents a hydrogen atom, a monovalent metal, a divalent metal, an ammonium group or an organic ammonium group, and p is an integer of 0 to 2).
摘要翻译：本发明的目的是提供一种能够降低流动性和材料分离性的水硬性组合物，能够消除凝固的延迟。本发明涉及包含水泥（A），共聚物（B），高性能减水剂（C）和粉末水泥掺混物（D）的水硬性组合物，其中共聚物（B）包含重复单元（I）表示的化合物。（其中R 1表示氢原子或甲基，n为2〜4的整数）和下述通式（2）表示的重复单元（II）。（其中R 2，R 3和R 4）相同或不同，各自表示氢原子，甲基或（CH 3）当COOM <！ - SIPO - >组的总数时，可以形成酸酐的结构和COOM 2个基团是2.M 1和M 2相同或不同，并且各自表示氢原子，一价金属，二价金属，铵基或有机铵基，p为0〜2的整数）。

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