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1. 发明授权

US5556904A Aromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the same 失效
公开(公告)号：US5556904A
公开(公告)日：1996-09-17
申请号：US373368
申请日：1995-01-17
申请人： Masaki Nishiguchi , Toshimasa Tokuda
发明人： Masaki Nishiguchi , Toshimasa Tokuda
IPC分类号： C08G64/10 , G02B1/04
CPC分类号： C08G64/10 , G02B1/046
摘要： There is provided an aromatic polycarbonate copolymer obtained by reacting a dihydric phenol component comprising mainly 2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane and 9,9-bis(4-hydroxyphenyl)fluorene or 1,1-bis(4-hydroxyphenyl)-1-phenylethane in a prescribed ratio with a carbonate precursor substance. This aromatic polycarbonate copolymer has a specific viscosity in a limited range. The aromatic polycarbonate copolymer is excellent in optical characteristics, transparency, hydrolysis resistance, heat resistance, oxidation resistance, and heat stability and good in moldability, and is suitable for a plastic optical waveguide that is small in transmission loss and excellent in heat resistance.

2. 发明授权

US5496913A Aromatic polycarbonate, a method for producing the same, and a plastic optical waveguide using the same 失效
标题翻译：芳香族聚碳酸酯，其制造方法和使用其的塑料光波导
公开(公告)号：US5496913A
公开(公告)日：1996-03-05
申请号：US140414
申请日：1993-10-25
申请人： Masaki Nishiguchi , Toshimasa Tokuda
发明人： Masaki Nishiguchi , Toshimasa Tokuda
IPC分类号： C08G64/10 , G02B1/04 , C08G63/68
CPC分类号： C08G64/10 , G02B1/046 , Y10T428/31507 , Y10T428/3154 , Y10T428/31663 , Y10T428/31721 , Y10T428/31855
摘要： There is provided an aromatic polycarbonate obtained by reacting a carbonate precursor substance with a dihydric phenol comprising mainly 2,2-bis(4-hydroxyphenol)-1,1,1,3,3,3-hexafluoropropane having specific characteristics. This aromatic polycarbonate has the following characteristics. That is, with respect to 5 wt % solution of the aromatic polycarbonate in methylene chloride, after being filtered through a filter having a pore diameter of 0.1 .mu.m, the light transmittance at 400 nm measured by using a quartz cell having an optical path length of 250 mm, is 85% or more in terms of light transmittance per cm of the polymer; and when 0.7 g of the aromatic polycarbonate is dissolved in 100 ml of methylene chloride, the specific viscosity of the thus obtained solution measured at 20.degree. C., is in the range of 0.160 to 0.418. The aromatic polycarbonate is excellent in heat resistance and transparency and good in moldability, and is suitable for a plastic optical waveguide that is small in transmission loss and excellent in heat resistance.
摘要翻译：提供了一种芳族聚碳酸酯，其通过碳酸酯前体物质与主要包含具有特定特征的2,2-双（4-羟基苯酚）-1,1,1,3,3,3-六氟丙烷的二元酚反应获得。该芳族聚碳酸酯具有以下特征。也就是说，相对于5重量％的芳族聚碳酸酯在二氯甲烷中的溶液，在通过孔径为0.1μm的过滤器过滤后，通过使用具有光程长度的石英池测量400nm处的透光率为每立方厘米聚合物的透光率为85％以上; 当将0.7g芳族聚碳酸酯溶于100ml二氯甲烷中时，在20℃下测定的所得溶液的比粘度在0.160至0.418的范围内。芳香族聚碳酸酯的耐热性和透明性优异，成型性好，适用于传输损耗小，耐热性优异的塑料光波导。

3. 发明授权

US5599897A Aromatic polycarbonate, a method for producing the same, and a plastic optical waveguide using the same 失效
标题翻译：芳香族聚碳酸酯，其制造方法和使用其的塑料光波导
公开(公告)号：US5599897A
公开(公告)日：1997-02-04
申请号：US449996
申请日：1995-05-25
申请人： Masaki Nishiguchi , Toshimasa Tokuda
发明人： Masaki Nishiguchi , Toshimasa Tokuda
IPC分类号： C08G64/10 , G02B1/04 , C08G63/68 , G02B6/00
CPC分类号： C08G64/10 , G02B1/046 , Y10T428/31507 , Y10T428/3154 , Y10T428/31663 , Y10T428/31721 , Y10T428/31855
摘要： There is provided an aromatic polycarbonate obtained by reacting a carbonate precursor substance with a dihydric phenol comprising mainly 2,2-bis(4-hydroxyphenol)-1,1,1,3,3,3-hexafluoropropane having specific characteristics. This aromatic polycarbonate has the following characteristics. That is, with respect to 5 wt % solution of the aromatic polycarbonate in methylene chloride, after being filtered through a filter having a pore diameter of 0.1 .mu.m, the light transmittance at 400 nm measured by using a quartz cell having an optical path length of 250 mm, is 85% or more in terms of light transmittance per cm of the polymer; and when 0.7 g of the aromatic polycarbonate is dissolved in 100 ml of methylene chloride, the specific viscosity of the thus obtained solution measured at 20.degree. C., is in the range of 0.160 to 0.418. The aromatic polycarbonate is excellent in heat resistance and transparency and good in moldability, and is suitable for a plastic optical waveguide that is small in transmission loss and excellent in heat resistance.
摘要翻译：提供了一种芳族聚碳酸酯，其通过碳酸酯前体物质与主要包含具有特定特征的2,2-双（4-羟基苯酚）-1,1,1,3,3,3-六氟丙烷的二元酚反应获得。该芳族聚碳酸酯具有以下特征。也就是说，相对于5重量％的芳族聚碳酸酯在二氯甲烷中的溶液，在通过孔径为0.1μm的过滤器过滤后，通过使用具有光程长度的石英池测量400nm处的透光率为每立方厘米聚合物的透光率为85％以上; 当将0.7g芳族聚碳酸酯溶于100ml二氯甲烷中时，在20℃下测定的所得溶液的比粘度在0.160至0.418的范围内。芳香族聚碳酸酯的耐热性和透明性优异，成型性好，适用于传输损耗小，耐热性优异的塑料光波导。

4. 发明授权

US5475786A Aromatic polycarbonate copolymer, a process for producing the same, and a plastic optical waveguide using the same 失效
标题翻译：芳族聚碳酸酯共聚物，其制造方法和使用其的塑料光波导
公开(公告)号：US5475786A
公开(公告)日：1995-12-12
申请号：US468650
申请日：1995-06-06
申请人： Masaki Nishiguchi , Toshimasa Tokuda
发明人： Masaki Nishiguchi , Toshimasa Tokuda
IPC分类号： C08G64/10 , G02B1/04
CPC分类号： C08G64/10 , G02B1/046 , Y10T428/2929 , Y10T428/31507
摘要： There is provided an aromatic polycarbonate copolymer obtained by reacting a dihydric phenol component comprising mainly 2,2-bis(4-hydroxyphenyl)-1,1,1,3,3,3-hexafluoropropane and 9,9-bis(4-hydroxyphenyl)fluorene or 1,1-bis(4-hydroxyphenyl)-1-phenylethane in a prescribed ratio with a carbonate precursor substance. This aromatic polycarbonate copolymer has a specific viscosity in a limited range. The aromatic polycarbonate copolymer is excellent in optical characteristics, transparency, hydrolysis resistance, heat resistance, oxidation resistance, and heat stability and good in moldability, and is suitable for a plastic optical waveguide that is small in transmission loss and excellent in heat resistance.
摘要翻译：提供了一种芳族聚碳酸酯共聚物，其通过使主要包含2,2-双（4-羟基苯基）-1,1,1,3,3,3-六氟丙烷和9,9-双（4-羟基苯基））芴或1,1-双（4-羟基苯基）-1-苯基乙烷与碳酸酯前体物质规定的比例。该芳族聚碳酸酯共聚物的比粘度在有限的范围内。芳香族聚碳酸酯共聚物的光学特性，透明性，耐水解性，耐热性，耐氧化性，热稳定性和成型性优异，适用于传输损耗小，耐热性优异的塑料光波导。

5. 发明授权

US07244804B2 Polycarbonate copolymer, resin composition, and molded article 有权
标题翻译：聚碳酸酯共聚物，树脂组合物和模制品
公开(公告)号：US07244804B2
公开(公告)日：2007-07-17
申请号：US10534706
申请日：2003-11-13
申请人： Koki Ikeda , Toshimasa Tokuda , Hiroshi Shuto , Manabu Matsui , Toshiyuki Miyake , Kazushi Tando
发明人： Koki Ikeda , Toshimasa Tokuda , Hiroshi Shuto , Manabu Matsui , Toshiyuki Miyake , Kazushi Tando
IPC分类号： C08G64/00
CPC分类号： B32B27/18 , B32B27/08 , B32B27/36 , B32B27/365 , C08G64/06 , C08K5/357 , Y10T428/31504 , C08L69/00
摘要： There are provided a polycarbonate copolymer (A) which has excellent light resistance and heat resistance and comprises an aromatic dihydroxy component comprising 5 to 95 mol % of fluorene-skeleton-containing dihydroxy compound (1) having a specific structure and 95 to 5 mol % of ordinary bisphenol type dihydroxy compound (2), the content of fluorene-9-one in the copolymer being not higher than 15 ppm; and a polycarbonate composition comprising 0.01 to 5 parts by weight of ultraviolet absorber (B) based on 100 parts by weight of the copolymer (A), and the composition comprising the copolymer.
摘要翻译：提供了具有优异的耐光性和耐热性的聚碳酸酯共聚物（A），其包含含有5〜95摩尔％的具有特定结构的芴骨架的二羟基化合物（1）和95〜5摩尔％的芳香族二羟基成分，的普通双酚型二羟基化合物（2），共聚物中芴-9-酮的含量不高于15ppm; 和包含基于100重量份的共聚物（A）的0.01至5重量份的紫外线吸收剂（B）和包含该共聚物的组合物的聚碳酸酯组合物。

6. 发明授权

US5352759A Lens comprising a polycarbonate formed by an interfacial polycondensation reaction 失效
标题翻译：透镜包括通过界面缩聚反应形成的聚碳酸酯
公开(公告)号：US5352759A
公开(公告)日：1994-10-04
申请号：US13660
申请日：1993-02-04
申请人： Toshimasa Tokuda
发明人： Toshimasa Tokuda
IPC分类号： C08G64/00 , C08G64/06 , C08G64/24 , G02B1/04 , G02B1/08 , G02C7/02
CPC分类号： C08G64/24 , C08G64/06 , G02B1/041
摘要： There is provided a polycarbonate lens having improved transmittance of light with a wavelength of 400 nm. This lens is made of a polycarbonate derived from 1,1-bis(4-hydroxyphenyl)-1-phenylethane, specific viscosity found from a solution of 0.7 g of said polycarbonate in 100 ml of methylene chloride being 0.176 to 0.295, and transmittance of light with a wavelength of 400 nm passing through a 3 mm thick member molded from said polycarbonate being 80% or more.
摘要翻译：提供了具有改善的波长为400nm的光的透射率的聚碳酸酯透镜。该透镜由衍生自1,1-双（4-羟基苯基）-1-苯基乙烷的聚碳酸酯制成，从0.7g所述聚碳酸酯在100ml二氯甲烷中的溶液的比粘度为0.176至0.295，透射率为通过从所述聚碳酸酯模塑的3mm厚的部件的波长为400nm的光为80％以上。

7. 发明授权

US07317067B2 Polycarbonate copolymer, and heat resistant parts comprising the same 有权
标题翻译：聚碳酸酯共聚物和包含该聚碳酸酯共聚物的耐热部件
公开(公告)号：US07317067B2
公开(公告)日：2008-01-08
申请号：US10509222
申请日：2003-03-24
申请人： Koki Ikeda , Toshimasa Tokuda , Yoshimasa Okamoto , Masato Ando
发明人： Koki Ikeda , Toshimasa Tokuda , Yoshimasa Okamoto , Masato Ando
IPC分类号： C08G64/00
CPC分类号： C08G64/06 , C08L69/00 , G02B1/04 , G02B1/041 , G11B7/2534
摘要： An object of the present invention is to provide a polycarbonate copolymer having excellent heat resistance and dimensional stability and heat resistant parts comprising the copolymer and suitable for use in various applications. The present invention is a polycarbonate copolymer comprising 5 to 95 mol % of recurring unit (component a) represented by the following general formula (I): and 95 to 5 mol % of recurring unit (component b) represented by the following general formula (II): (wherein Ra to Rd are each independently a hydrogen atom, a hydrocarbon group which may contain an aromatic group having 1 to 9 carbon atoms or a halogen atom, and W is a single bond, a hydrocarbon group which may contain an aromatic group having 1 to 20 carbon atoms or an O, SO, SO2, CO or COO group), and various heat resistant parts comprising the copolymer.
摘要翻译：本发明的目的是提供一种具有优异的耐热性和尺寸稳定性的聚碳酸酯共聚物和包含该共聚物的耐热部件并适用于各种应用。本发明是一种聚碳酸酯共聚物，其含有5〜95摩尔％的由以下通式（I）表示的重复单元（成分a）：95〜5摩尔％的由以下通式表示的重复单元（b） II）：（其中R a和R d各自独立地为氢原子，可以含有具有1至9个碳原子的芳族基团的烃基或卤素原子 W是单键，可以含有碳原子数1〜20的芳香族烃基或O，SO，SO 2 CO，CO或COO基的烃基，各种耐热性部分包括共聚物。

8. 发明授权

US06093784A Electrophotographic photoconductor and polycarbonate resin for use therein 失效
标题翻译：用于其中的电子照相感光体和聚碳酸酯树脂
公开(公告)号：US06093784A
公开(公告)日：2000-07-25
申请号：US361538
申请日：1994-12-22
申请人： Hiroshi Tamura , Tomoyuki Shimada , Tsutomu Nakajima , Masaomi Sasaki , Toshimasa Tokuda
发明人： Hiroshi Tamura , Tomoyuki Shimada , Tsutomu Nakajima , Masaomi Sasaki , Toshimasa Tokuda
IPC分类号： C08G64/12 , G03G5/05 , C08G63/02
CPC分类号： G03G5/0564 , C08G64/12 , G03G5/0589
摘要： An electrophotographic photoconductor is composed of an electroconductive support and a photoconductive layer formed thereon, which photoconductive layer includes a polycarbonate resin. Aromatic polycarbonate resins not only for the electrophotographic photoconductor, but also for the materials for liquid display panels, optical cards, optical discs, varieties of films having high transparency and heat resistance, deposited plastic reflecting mirrors, and lenses are disclosed.
摘要翻译：电子照相感光体由导电性支持体和形成于其上的感光层构成，该光电导层包含聚碳酸酯树脂。公开了不仅用于电子照相感光体的芳族聚碳酸酯树脂，而且用于液体显示面板，光卡，光盘，具有高透明度和耐热性的各种膜，沉积的塑料反射镜和透镜的材料。

9. 发明授权

US4285855A Fire-retardant polycarbonate composition 失效
标题翻译：阻燃聚碳酸酯组合物
公开(公告)号：US4285855A
公开(公告)日：1981-08-25
申请号：US131852
申请日：1980-03-19
申请人： Toshimasa Tokuda
发明人： Toshimasa Tokuda
IPC分类号： C08K5/41 , C08L69/00 , C08K5/42 , C08L81/08
CPC分类号： C08K5/41 , C08L69/00
摘要： A resin composition having an excellent fire retarding effect is provided which comprises (1) a polycarbonate and (2) as a fire retardant, at least one member of the group consisting of (A) a metal salt of a sulfuric ester of an alcohol, (B) an ether derived from an alkyl alcohol and a phenol and having a metal sulfonate group bonded to the carbon atom of the alkyl group and (C) a polycarbonate having at least one alkali metal sulfonate group bonded to the terminals through alkyl. Addition of a mixture of the component (A) and at least one specified halogen-containing organic compound as the fire retardant to the polycarbonate (1) affords a resin composition having a greater fire retardant effect.
摘要翻译：提供了具有优异的阻燃效果的树脂组合物，其包含（1）聚碳酸酯和（2）阻燃剂，至少一种由（A）醇的硫酸酯的金属盐，（B）衍生自烷基醇和苯酚并且具有与烷基的碳原子键合的金属磺酸盐基团的醚和（C）具有至少一个碱金属磺酸盐基团的聚碳酸酯，其通过烷基键合到末端。将组分（A）和至少一种特定的含卤素的有机化合物作为阻燃剂的混合物加入到聚碳酸酯（1）中，得到具有较高阻燃效果的树脂组合物。

10. 发明授权

US5463013A Modified aromatic polycarbonate resin, modified aromatic polyester carbonate resin, modified polyarylate, and molded articles therefrom 失效
标题翻译：改性芳族聚碳酸酯树脂，改性芳族聚酯碳酸酯树脂，改性聚芳酯及其模制品
公开(公告)号：US5463013A
公开(公告)日：1995-10-31
申请号：US233883
申请日：1994-04-26
申请人： Toshimasa Tokuda , Ikkoh Furukawa , Masayoshi Miyauchi
发明人： Toshimasa Tokuda , Ikkoh Furukawa , Masayoshi Miyauchi
IPC分类号： C07C69/708 , C07C69/732 , C08G63/20 , C08G63/64 , C08G64/14 , C08G64/00
CPC分类号： C08G64/14 , C07C69/708 , C07C69/732 , C08G63/20 , C08G63/64
摘要： A modified aromatic polycarbonate resin containing at least one substituted phenyloxy group of the formula (I) in an amount of at least 5 mol % of the total amount of terminals, ##STR1## wherein: X is a halogen atom or a monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms,p is an integer of 0 to 4, and ##STR2## The present invention provide a modified aromatic polycarbonate resin of which the melt fluidity and electric properties are improved without impairing the excellent properties inherent to a polycarbonate resin such as transparency, heat resistance and dimensional stability.
摘要翻译：含有至少一个式（I）的取代的苯氧基的改性芳族聚碳酸酯树脂，其量为末端总量的至少5摩尔％，其中：X是卤素原子或一价具有1-10个碳原子的脂族烃基，p是0至4的整数，并且本发明提供一种改进的芳族聚碳酸酯树脂，其熔体流动性和电性能得到改善而不损害优异的性能聚碳酸酯树脂固有的透明性，耐热性和尺寸稳定性。

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