公开(公告)号：US06277923B1

公开(公告)日：2001-08-21

申请号：US08915328

申请日：1997-08-20

申请人： Teiji Kohara ,  Toshihide Murakami

发明人： Teiji Kohara ,  Toshihide Murakami

IPC分类号： C08F800

CPC分类号： C08G61/08

摘要： The object of the present invention is to provide a cycloolefin-based polymer with very low content of foreign matters, a molded article obtained by using the cycloolefin-based polymer, and a process for producing the cycloolefin-based polymer. The present invention relates to a cycloolefin-based polymer which has an intrinsic viscosity [&eegr;] of 0.01-20 dl/g as determined in decalin at 80° C. and has a content of foreign matters having a particle diameter of 0.5 &mgr;m or more of 3×104 particles/g or less, a process for producing the cycloolefin-based polymer, and a molded material comprising the cycloolefin-based polymer and a molded article obtained therefrom.

摘要翻译： 本发明的目的是提供一种非常低的异物含量的环烯烃类聚合物，通过使用环烯烃系聚合物而得到的成型体，以及环烯系聚合物的制造方法。 本发明涉及一种在80℃下在十氢化萘中测定的特性粘度η为0.01-20dl / g的环烯烃系聚合物，其粒径为0.5μm以上的异物含量 3×10 4个/ g以下的环烯烃类聚合物的制造方法，以及包含环烯烃系聚合物的成型体和由其获得的成型体。

公开(公告)号：US06433102B1

公开(公告)日：2002-08-13

申请号：US09856156

申请日：2001-09-04

申请人： Teruhiko Suzuki ,  Tsutomu Nagamune ,  Teiji Kohara ,  Toshihide Murakami ,  Haruhiko Takahashi

发明人： Teruhiko Suzuki ,  Tsutomu Nagamune ,  Teiji Kohara ,  Toshihide Murakami ,  Haruhiko Takahashi

IPC分类号： C08F804

CPC分类号： G11B7/2533 ,  C08F8/04 ,  G11B5/7315 ,  G11B5/8404 ,  G11B7/252 ,  G11B7/2534 ,  G11B7/2535 ,  G11B7/2536 ,  G11B7/254 ,  G11B7/256 ,  G11B7/2578 ,  G11B7/2585 ,  G11B7/2595 ,  G11B7/263 ,  G11B11/10582 ,  G11B2007/24304 ,  C08F12/00

摘要： A hydrogenated product of an aromatic vinyl polymer, wherein the hydrogenation rate of the aromatic rings thereof is at least 97%, a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) is at most 2.0, the weight average molecular weight (Mw) is 100,000 to 300,000, and the content of a component having a molecular weight (M) of at most 10,000 is at most 2% by weight based on the total weight of the polymer; a hydrogenated product of an aromatic vinyl polymer, wherein the content of foreign matter having a particle diameter of at least 0.5 &mgr;m in the hydrogenated polymer is at most 3.0×104 particles/g; and a substrate for information recording media obtained by molding a resin material containing a hydrogenated product of an aromatic vinyl polymer, wherein the hydrogenation rate of the aromatic rings thereof is at least 97%, a :ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) is at most 2.0, and the weight average molecular weight (Mw) is 100,000 to 300,000, and production process thereof.

摘要翻译： 芳香族乙烯基聚合物的氢化物，其芳香环的氢化率为97％以上，重均分子量（Mw）与数均分子量（Mn）的比（Mw / Mn）为 至多2.0，重均分子量（Mw）为100,000至300,000，并且基于聚合物的总重量，分子量（M）至多为10,000的组分的含量为至多2重量％; 芳香族乙烯基聚合物的氢化物，氢化聚合物中粒径为0.5μm以上的异物含量为3.0×10 4个/ g以下; 以及通过模塑含有芳香族乙烯基聚合物的氢化物的树脂材料而获得的信息记录介质的基板，其中芳香族环的氢化率为97％以上，a：重均分子量比（Mw / Mn） 分子量（Mw）与数均分子量（Mn）之比为2.0以下，重均分子量（Mw）为100,000〜300,000及其制造方法。

公开(公告)号：US5106920A

公开(公告)日：1992-04-21

申请号：US617109

申请日：1990-11-21

申请人： Toshihide Murakami ,  Teiji Kohara ,  Tadao Natsuume

发明人： Toshihide Murakami ,  Teiji Kohara ,  Tadao Natsuume

IPC分类号： C08F2/60 ,  C08G61/08

CPC分类号： C08F2/60 ,  C08G61/08

摘要： The present invention provides a hydrogenated polycyclic norbornene ring-opening polymer which is excellent in heat resistance, optical characteristics and processability which comprises recurring units represented by the following formula [I] and [II] or these recurring units substituted with alkyl in an amount of at least 10 mol % based on total polymer units and has an intrinsic viscosity [.eta.] of 0.01-20 dl/g measured in toluene at 25.degree. C., with at least 50% of C--C bonds which constitute main chain being single bonds: ##STR1## wherein --denotes a double bond or a single bond.

公开(公告)号：US5681900A

公开(公告)日：1997-10-28

申请号：US537866

申请日：1996-01-22

申请人： Toshihide Murakami ,  Teiji Kohara ,  Tadao Natsuume

发明人： Toshihide Murakami ,  Teiji Kohara ,  Tadao Natsuume

IPC分类号： C08G61/06 ,  C08G61/08 ,  G02B1/04 ,  H01B3/30 ,  C08F32/08

CPC分类号： C08G61/08

摘要： A resin obtained by subjecting a norbornene type monomer having an aromatic ring structure (e.g. 5-phenyl-2-norbornene) to ring-opening polymerization and hydrogenating 95% or more of the unsaturated bonds in the backbone structure of the resulting polymer by the use of a catalyst composed of a combination of a transition metal compound and an alkyl metal compound, while leaving 80% or more of the aromatic ring structures, which resin has not only a high refractive index but also characteristics of a hydrogenated norbornene ring-opening polymerization product, i.e., excellent heat resistance, transparency, low birefringent properties, weather resistance, light resistance, low water absorption properties, moisture resistance, small dielectric constant, small dielectric loss, chemical resistance, etc., said resin being usable in optical materials, medical tools and materials, tools and materials for treating electronic parts, etc.

摘要翻译： PCT No.PCT / JP94 / 01244 Sec。 371日期1996年1月22日 102（e）日期1996年1月22日PCT提交1994年7月28日PCT公布。 出版物WO95 / 04096 日期1995年2月9日通过使具有芳环结构的降冰片烯型单体（例如5-苯基-2-降冰片烯）进行开环聚合，并在其主链结构中氢化95％以上的不饱和键而得到的树脂 通过使用由过渡金属化合物和烷基金属化合物的组合组成的催化剂，同时留下80％或更多的芳族环结构，该树脂不仅具有高折射率，而且具有氢化特性 降冰片烯开环聚合产物，即优异的耐热性，透明性，低双折射性，耐候性，耐光性，低吸水性，耐湿性，介电常数小，介电损耗小，耐化学腐蚀等特性。 可用于光学材料，医疗工具和材料，用于处理电子部件的工具和材料等。

公开(公告)号：US5034482A

公开(公告)日：1991-07-23

申请号：US553849

申请日：1990-07-18

申请人： Teiji Kohara ,  Toshihide Murakami ,  Masayoshi Oshima ,  Tadao Natsuume

发明人： Teiji Kohara ,  Toshihide Murakami ,  Masayoshi Oshima ,  Tadao Natsuume

IPC分类号： C08G61/06 ,  C08F4/44 ,  C08F4/60 ,  C08G61/08 ,  G02B1/04 ,  G11B7/253

CPC分类号： C08G61/08

摘要： A process for producing a polymer by ring-opening polymerization of a norbornene-type monomer, which comprises starting the ring-opening polymerization in the presence of a Ziegler-type catalyst consisting essentially of an organometallic compound of a metal belonging to the groups I to III of the periodic table and titanium tetrahalide, carrying out the ring-opening polymerization until the norbornene-type monomer shows a conversion ratio of not less than 60%, and then adding a tungsten and/or molybdenum-based metathesis catalyst to the polymerization reaction system to continue the ring-opening polymerization.

公开(公告)号：US07638205B2

公开(公告)日：2009-12-29

申请号：US10920177

申请日：2004-08-18

申请人： Kohei Arakawa ,  Katsuhiro Kurosaki ,  Toshihide Murakami

发明人： Kohei Arakawa ,  Katsuhiro Kurosaki ,  Toshihide Murakami

IPC分类号： B32B27/08

CPC分类号： B29C55/023 ,  B29K2995/0032 ,  B32B7/02 ,  B32B27/08 ,  B32B37/153 ,  B32B38/0012 ,  B32B2038/0028 ,  B32B2307/40 ,  G02B5/3083 ,  Y10T428/31504 ,  Y10T428/31855 ,  Y10T428/31917 ,  Y10T428/31924 ,  Y10T428/31928 ,  Y10T428/31931 ,  Y10T428/31935 ,  Y10T428/31938

摘要： An optical laminate film comprising a layer (A) comprising a material having a negative intrinsic birefringence value as a primary component; and a layer (B) comprising a transparent resin as a primary component which is laminated to at least one side of the layer (A). The optical laminate film satisfies the following conditions: (a) nz>(nx+ny)/2 (b) 0≦ dispersion of retardation Re≦+10 nm, wherein retardation Re is represented by the formula [|nx−ny|×D] where D represents thickness (μm) of the laminated film, nz represents a refractive index in the thickness direction, and nx and ny each represent a refractive index, respectively in two directions orthogonal to each other and both of which are perpendicular to the thickness direction, all of the refractive indices being measured using light with wavelength of 550 nm.

摘要翻译： 一种光学层压膜，其包括包含具有负的固有双折射值作为主要成分的材料的层（A） 以及层叠在层（A）的至少一侧的作为主要成分的透明树脂的层（B）。 光学层压膜满足以下条件：（a）nz>（nx + ny）/ 2（b）0 <=相位差Re <= + 10nm，其中相位差Re由式[| nx-ny | xD]其中D表示层叠膜的厚度（mum），nz表示厚度方向的折射率，nx和ny分别表示彼此正交的两个方向的折射率，两者均垂直于 厚度方向，使用波长为550nm的光测量所有的折射率。

公开(公告)号：US20060078692A1

公开(公告)日：2006-04-13

申请号：US10518042

申请日：2003-06-16

申请人： Toshihide Murakami ,  Takashi Sato ,  Kohei Arakawa

发明人： Toshihide Murakami ,  Takashi Sato ,  Kohei Arakawa

IPC分类号： C09K19/00

CPC分类号： G02B5/3083 ,  G02B5/3016 ,  Y10T428/1041

摘要： An optical laminate comprising a cholesteric liquid crystal layer and a ¼ wavelength plate laminated one upon another, characterized in that the ¼ wavelength plate comprises at least one layer (layer A) consisting of a material having a positive intrinsic birefringence least one layer (layer B) consisting of a material having a negative intrinsic double refraction value, the orientations of molecular chains in the layer A and the layer B are equal to each other, and a variation in thickness of the ¼ wavelength plate is below 5%; a polarization light source device provided with this optical laminate; and a liquid crystal display unit provided with this polarization light source device. The optical laminate which delivers an excellent brightness improving effect, is free from a variation in in-plane brightness, and ensures a long-term, stable brightness improving effect; and the polarized light source device and the liquid crystal display unit provided with this optical laminate are provided.

摘要翻译： 一种包括彼此层叠的胆甾醇型液晶层和1/4波长板的光学层叠体，其特征在于，1/4波长板包括至少一层（层A），该层由具有正本征双折射至少一层的材料（层B ）由具有负的固有双折射值的材料组成，层A和层B中分子链的取向彼此相等，并且1/4波片的厚度变化小于5％; 设置有该光学层叠体的偏振光源装置; 以及设置有该偏振光源装置的液晶显示单元。 提供优异的亮度提高效果的光学层叠体没有面内亮度的变化，并且确保长期，稳定的亮度提高效果; 设置有该光学层叠体的偏振光源装置和液晶显示装置。

公开(公告)号：USRE36838E

公开(公告)日：2000-08-29

申请号：US289648

申请日：1999-04-12

申请人： Tsunehiko Sugawara ,  Naoki Morihiro ,  Toshikazu Ikezawa ,  Toshihide Murakami ,  Yusuke Kobayashi

发明人： Tsunehiko Sugawara ,  Naoki Morihiro ,  Toshikazu Ikezawa ,  Toshihide Murakami ,  Yusuke Kobayashi

IPC分类号： H01J29/86 ,  H01J29/87

CPC分类号： H01J29/861 ,  H01J29/87 ,  H01J2229/8616 ,  H01J2229/862

摘要： A glass panel 3 for a glass tube for a cathode ray tube has a flat panel face portion 7 and a reduced thickness while maintaining a sufficient strength without increasing a difference of brightness, and with less shrinking deformation due to the cooling and solidification of the glass panel.Compressive stress layers 20, 21 having a thickness of t.sub.o /10 or more are formed in outer and inner surfaces of the face portion 7 of the glass panel 3 respectively. The relation to the wall thickness t.sub.d of the central portion of the face portion to the wall thickness t.sub.o of a portion near an edge portion on a diagonal line is 1.0.ltoreq.t.sub.d /t.sub.o .ltoreq.1.2. Compressive stress layers 22, 23 are formed in outer and inner surfaces of a skirt portion 6 wherein the compressive stress value of the face portion 7 is larger than the compressive stress value of the skirt portion, and the compressive stress value of the outer surface 20 of the face portion is larger than that of the inner surface 21.

摘要翻译： 用于阴极射线管的玻璃管的玻璃面板3具有平板面部7和减小的厚度，同时保持足够的强度而不增加亮度差，并且由于玻璃的冷却和固化而具有较小的收缩变形 面板。 分别在玻璃面板3的面部7的外表面和内表面上分别形成有厚度为10以上的压应力层20,21。 与面对部分的中心部分的壁厚td相对于在对角线上的边缘部分附近的部分的壁厚度的关系为1.0

公开(公告)号：US5536995A

公开(公告)日：1996-07-16

申请号：US341918

申请日：1994-11-16

申请人： Tsunehiko Sugawara ,  Naoki Morihiro ,  Toshikazu Ikezawa ,  Toshihide Murakami ,  Yusuke Kobayashi

发明人： Tsunehiko Sugawara ,  Naoki Morihiro ,  Toshikazu Ikezawa ,  Toshihide Murakami ,  Yusuke Kobayashi

IPC分类号： H01J29/86 ,  H01J29/87

CPC分类号： H01J29/861 ,  H01J29/87 ,  H01J2229/8616 ,  H01J2229/862

摘要： A glass panel 3 for a glass tube for a cathode ray tube has a flat panel face portion 7 and a reduced thickness while maintaining a sufficient strength without increasing a difference of brightness, and with less shrinking deformation due to the cooling and solidification of the glass panel.Compressive stress layers 20, 21 having a thickness of t.sub.o /10 or more are formed in outer and inner surfaces of the face portion 7 of the glass panel 3 respectively. The relation of the wall thickness t.sub.d of the central portion of the face portion to the wall thickness t.sub.o of a portion near an edge portion on a diagonal line is 1.0.ltoreq.t.sub.d /t.sub.o .ltoreq.1.2. Compressive stress layers 22, 23 are formed in outer and inner surfaces of a skirt portion 6 wherein the compressive stress value of the face portion 7 is larger than the compressive stress value of the skirt portion, and the compressive stress value of the outer surface 20 of the face portion is larger than that of the inner surface 21.

摘要翻译： 用于阴极射线管的玻璃管的玻璃面板3具有平板面部7和减小的厚度，同时保持足够的强度而不增加亮度差，并且由于玻璃的冷却和固化而具有较小的收缩变形 面板。 分别在玻璃面板3的面部7的外表面和内表面上分别形成有厚度为10以上的压应力层20,21。 面部中心部分的壁厚td与对角线上的边缘部分附近部分的壁厚度之间的关系为1.0

公开(公告)号：US07354632B2

公开(公告)日：2008-04-08

申请号：US10997951

申请日：2004-11-29

申请人： Toshihide Murakami ,  Kohei Arakawa

发明人： Toshihide Murakami ,  Kohei Arakawa

IPC分类号： G02F1/13363 ,  G02B5/30

CPC分类号： G02B5/3083 ,  B29C55/045 ,  B32B7/02 ,  B32B27/08 ,  B32B37/12 ,  B32B2038/0028 ,  B32B2307/40 ,  B32B2307/42 ,  G02B5/305 ,  G02F1/133536 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/31504

摘要： Provided are: a long optical laminate prepared by laminating two obliquely stretched long phase-difference films so that the respective delayed-phase axes cross each other at a specified angle, while at least one of the two phase-difference films is a film containing residual volatile component by 1000 ppm or less; a long optical element prepared by laminating the optical laminate on one surface of polarization film; a long broad-band ¼ wavelength plate; an optical member prepared by laminating a circularly polarized light separating layer of cholesteric liquid crystal on one surface of the broad-band ¼ wavelength plate; a broad-band circular element using the broad-band ¼ wavelength plate; and an optical product having the broad-band circular polarization element. The invention provides long optical laminates having high optical characteristics stability, long broad-band ¼ wavelength plates, long optical elements, broad-band circular polarization elements, and various optical products having the broad-band circular polarization element.

摘要翻译： 提供：通过层叠两个倾斜拉伸的长相差膜使得各个延迟相位轴以特定角度彼此交叉而制成的长的光学层叠体，而两个相位差膜中的至少一个是含有残留的膜 挥发性成分减少1000ppm以下; 通过将光学层压体层压在偏振膜的一个表面上制备的长的光学元件; 长波段¼波长板; 通过在宽带¼波长板的一个表面上层叠胆甾型液晶的圆偏振光分离层而制备的光学部件; 使用宽带¼波长板的宽带圆形元件; 以及具有宽带圆偏振元件的光学产品。 本发明提供具有高光学特性稳定性的长光学层压板，长宽带¼波长板，长光学元件，宽带圆偏振元件以及具有宽带圆偏振元件的各种光学产品。