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1. 发明授权

US5514767A Hot-melt polycondensation method for manufacturing a polycarbonate composition 失效
标题翻译：用于制造聚碳酸酯组合物的热熔缩缩方法
公开(公告)号：US5514767A
公开(公告)日：1996-05-07
申请号：US281965
申请日：1994-07-28
申请人： Takeshi Sakashita , Tomoaki Shimoda , Takashi Nagai , Kenichi Tominari , Akio Kanezawa
发明人： Takeshi Sakashita , Tomoaki Shimoda , Takashi Nagai , Kenichi Tominari , Akio Kanezawa
IPC分类号： C08G64/04 , C08G64/00 , C08G64/20 , C08G64/30 , C08G64/40 , C08G64/42 , C08K3/00 , C08K3/20 , C08K5/36 , C08K5/41 , C08K5/42 , C08L69/00
CPC分类号： C08G64/307
摘要： The method of the present invention is a hot-melt polycondensation for an aromatic dihydroxy compound and a dicarbonate in the presence of a basic catalyst, adding sulfur-containing acid compound with a pKa value less than 3 or the derivative thereof, and 5-1,000 ppm of water, and additives as needed for the polycarbonate while the reaction product polycarbonate is still in a molten state, and kneading the material.
摘要翻译：本发明的方法是在碱性催化剂存在下加入芳族二羟基化合物和二碳酸酯的加热熔融缩聚反应，加入pKa值小于3的含硫酸化合物或其衍生物，5-1000 ppm的水和聚碳酸酯所需的添加剂，同时反应产物聚碳酸酯仍处于熔融状态，并捏合该材料。

2. 发明授权

US5484875A Copolymeric polycarbonate production method 失效
标题翻译：共聚聚碳酸酯生产方法
公开(公告)号：US5484875A
公开(公告)日：1996-01-16
申请号：US444703
申请日：1995-05-19
申请人： Takeshi Sakashita , Tomoaki Shimoda , Kotaro Kishimura , Shuichi Uchimura
发明人： Takeshi Sakashita , Tomoaki Shimoda , Kotaro Kishimura , Shuichi Uchimura
IPC分类号： C08G64/14 , C08G64/00 , C08G64/04 , C08G64/20 , C08G64/30 , C08G64/40 , C08K3/00 , C08K3/24 , C08K5/00 , C08K5/1515 , C08K5/36 , C08K5/42 , C08K5/52 , C08L69/00 , C08G63/02
CPC分类号： C08G64/307
摘要： The present invention relates to a method for preparing copolymeric polycarbonates which comprises melt polycondensing a mixture of an aromatic dihydroxy compound containing an amount of 2-90 mol % of hydroquinone or substituted hydroquinones and a diester carbonate in the presence of a catalyst containing an alkali metal compound or an alkaline earth metal compound in an amount of 1.times.10.sup.-8 to 5.times.10.sup.-6 mole per mole of the total amount of the aromatic dihydroxy compound, then adding an acidic compound to the melt polycondensation product.
摘要翻译：本发明涉及制备共聚聚碳酸酯的方法，该方法包括在含有碱金属的催化剂存在下熔融缩聚含有2-90mol％氢醌或取代的氢醌的二芳基二羟基化合物和二酯的混合物化合物或碱土金属化合物，其量为每摩尔芳族二羟基化合物总量为1×10 -8至5×10 -6摩尔，然后向熔融缩聚产物中加入酸性化合物。

3. 发明授权

US5405933A Copolymerized polycarbonates 失效
标题翻译：共聚聚碳酸酯
公开(公告)号：US5405933A
公开(公告)日：1995-04-11
申请号：US119317
申请日：1993-09-09
申请人： Takeshi Sakashita , Tomoaki Shimoda , Takashi Nagai
发明人： Takeshi Sakashita , Tomoaki Shimoda , Takashi Nagai
IPC分类号： C08G64/00 , C08G64/06 , C08G64/30
CPC分类号： C08G64/307 , C08G64/06
摘要： The present invention provides copolymerized polycarbonates having improved flow and formability, in addition to excellent mechanical properties, heat resistance, transparency, and water resistance obtained by copolymerization of two or more aromatic dihydroxy compounds and a compound capable of reacting with those aromatic dihydroxy compounds to form carbonate linkages, characterized in that, of all the constituent repeating units derived from aromatic dihydroxy compounds, 2-40 mole % are derived from resorcin and/or substituted resorcins.
摘要翻译：本发明提供了具有改善的流动性和成形性的共聚聚碳酸酯，除了通过两种或更多种芳族二羟基化合物和能够与这些芳族二羟基化合物反应形成的化合物的共聚合获得的优异的机械性能，耐热性，透明性和耐水性之外，碳酸酯键，其特征在于，衍生自芳族二羟基化合物的所有构成重复单元中，2-40摩尔％衍生自间苯二酚和/或取代的芦荟蛋白。

4. 发明授权

US5401826A Method for the preparation, of copolymeric polycarbonates 失效
标题翻译：共聚聚碳酸酯的制备方法
公开(公告)号：US5401826A
公开(公告)日：1995-03-28
申请号：US171088
申请日：1993-12-21
申请人： Takeshi Sakashita , Tomoaki Shimoda , Kotaro Kishimura
发明人： Takeshi Sakashita , Tomoaki Shimoda , Kotaro Kishimura
IPC分类号： C08G64/00 , C08G64/06 , C08G64/20 , C08G64/30 , C08K3/00 , C08K5/00 , C08K5/1515 , C08K5/36 , C08K5/42 , C08K5/49 , C08K5/524 , C08L69/00
CPC分类号： C08K5/42 , C08G64/06 , C08G64/307 , C08K5/1515 , C08K5/524
摘要： A copolymeric polycarbonate containing repeating constituent units having formula [I] below and repeating constituent units having formula [II] below in a molar ratio of from 98:2 to 40:60. ##STR1## The above-described copolymeric polycarbonates have excellent resistance to chemicals, heat resistance and flame retardancy without compromising the impact resistance and good hues intrinsic to polycarbonates.
摘要翻译：含有下述式[I]的重复构成单元的共聚聚碳酸酯以及重量以下结构单元的式[II]以摩尔比为98:2至40:60。聚碳酸酯具有优异的耐化学性，耐热性和阻燃性，而不影响耐冲击性和聚碳酸酯固有的良好色调。

5. 发明授权

US5364926A Preparing method of polycarbonate resin compounds for the optical use 失效
标题翻译：用于光学用途的聚碳酸酯树脂化合物的制备方法
公开(公告)号：US5364926A
公开(公告)日：1994-11-15
申请号：US22710
申请日：1993-03-01
申请人： Takeshi Sakashita , Tomoaki Shimoda , Kimiyoshi Miura , Kenichi Tominari , Akio Kanezawa
发明人： Takeshi Sakashita , Tomoaki Shimoda , Kimiyoshi Miura , Kenichi Tominari , Akio Kanezawa
IPC分类号： C08G64/20 , C08G64/30 , C08G64/40 , C08K3/00 , C08K3/30 , C08K3/32 , C08K5/00 , C08K5/13 , C08K5/1515 , C08K5/36 , C08K5/41 , C08K5/42 , C08K5/51 , C08K5/521 , C08K5/524 , C08L69/00 , C08G64/00
CPC分类号： C08G64/307
摘要： Object: The present invention was conceived in light of the above-described prior art. The object of this invention is to provide a method for preparing optical-grade polycarbonate compositions, which method is able to prepare with good productivity optical-grade polycarbonate compositions that have not only excellent clarity and water resistance, but also excellent retention stability such as heat stability and hue stability when molten and a low content of inclusions and impurities, and that undergo little heat deterioration.Constitution: The method for preparing optical-grade polycarbonate compositions according to this invention, which method comprises the melt-polycondensation of an aromatic dihydroxy compound and a diester carbonate in the presence of a catalyst, followed by the addition of additives [B] while the polycarbonate [A] obtained as the reaction product is in a molten state, and mixing.In this invention, it is preferable to prepare the optical-grade polycarbonate composition by filtration with a polymer filter following mixing.
摘要翻译：对象：本发明是鉴于上述现有技术而构成的。本发明的目的是提供一种制备光学级聚碳酸酯组合物的方法，该方法能够制备具有良好生产率的光学级聚碳酸酯组合物，其不仅具有优异的透明度和耐水性，而且具有优异的保留稳定性，例如热熔融时的稳定性和色调稳定性以及夹杂物和杂质含量低，并且几乎不发生热劣化。结构：根据本发明的光学级聚碳酸酯组合物的制备方法，该方法包括在催化剂存在下芳族二羟基化合物和二酯碳酸酯的熔融缩聚，然后加入添加剂[B]，同时作为反应产物获得的聚碳酸酯[A]处于熔融状态并混合。在本发明中，优选在混合后用聚合物过滤器过滤制备光学级聚碳酸酯组合物。

6. 发明授权

US5306801A Catalytic melt preparation of polycarbonate with subsequent addition of sulfonic acid compound 失效
标题翻译：随后加入磺酸化合物催化熔融制备聚碳酸酯
公开(公告)号：US5306801A
公开(公告)日：1994-04-26
申请号：US903320
申请日：1992-06-24
申请人： Takeshi Sakashita , Tomoaki Shimoda
发明人： Takeshi Sakashita , Tomoaki Shimoda
IPC分类号： C08G64/20 , C08G64/30 , C08K5/42 , C08G64/40
CPC分类号： C08G64/307 , C08K5/42
摘要： The present invention relates to a polycarbonate production method. More specifically, it relates to a polycarbonate production method that is capable of preparing polycarbonates which have excellent residence stability such as hue stability and heat stability at the time of molding, and which have particularly outstanding water resistance.
摘要翻译：本发明涉及一种聚碳酸酯制造方法。更具体地说，本发明涉及一种能够制备聚碳酸酯的聚碳酸酯制造方法，其具有优异的保持稳定性，例如成型时的色相稳定性和热稳定性，并且具有特别优异的耐水性。

7. 发明授权

US5151491A Catalytic melt condensation preparation of polycarbonate 失效
标题翻译：聚碳酸酯的催化熔融凝结制备
公开(公告)号：US5151491A
公开(公告)日：1992-09-29
申请号：US410464
申请日：1989-09-21
申请人： Takeshi Sakashita , Tomoaki Shimoda
发明人： Takeshi Sakashita , Tomoaki Shimoda
IPC分类号： C08G64/20 , C08G64/00 , C08G64/14 , C08G64/30 , C08G64/40
CPC分类号： C08G64/14 , C08G64/307
摘要： Disclosed herein are processes for the production of polycarbonates by melt polycondensation of an aromatic dihydroxy compound and a carbonic acid diester or a diphenyl carbonate compound wherein said polycondensation is carried out in the presence of from 0.05 to 15 mol %, based on 1 mole of the aromatic dihydroxy compound, of a phenol having from 10 to 40 carbon atoms, a carbonic acid diester having from 17 to 50 carbon atoms, or a carbonic acid diester having from 13 to 16 carbon atoms, using a catalyst comprising (a) a nitrogen containing basic compound, (b) from 10.sup.-8 to 10.sup.-3 mole, based on 1 mole of the aromatic dihydroxy compound, of an alkali metal or alkaline earth metal compound, and (c) boric acid or boric ester. Also disclosed is a polycarbonate in which from 5 to 30% of its terminal groups are hydroxy groups and it has a sodium content of not more than 1 ppm and a chlorine content of not more than 20 ppm.

8. 发明授权

US5057585A Oxygen-permeable article of fluorinated hydrocarbon group-grafted (meth)acrylate polymers 失效
标题翻译：氟化烃基（甲基）丙烯酸酯聚合物的含氧渗透性物品
公开(公告)号：US5057585A
公开(公告)日：1991-10-15
申请号：US554388
申请日：1990-07-19
申请人： Tokinori Agou , Takeshi Sakashita , Tomoaki Shimoda , Masaru Sudo , Masahiro Kuwabara , Masahide Tanaka
发明人： Tokinori Agou , Takeshi Sakashita , Tomoaki Shimoda , Masaru Sudo , Masahiro Kuwabara , Masahide Tanaka
IPC分类号： C08F20/28 , G02B1/04
CPC分类号： C08F20/28 , G02B1/043 , Y10S525/937
摘要： Hydrophilic gelled crosslinked polymers comprising as an essential constituent monomer component a (meth)acrylate ester monomer having a fluorine-substituted hydrocarbon group containing at least three fluorine atoms grafted thereto. The fluorine-containing polymers have excellent oxygen permeability, water swellability, wearing comfort and contamination resistance.

9. 发明授权

US4957985A Fluorine-substituted hydrocarbon group grafted (meth)acrylate polymers 失效
标题翻译：氟取代烃基接枝（甲基）丙烯酸酯聚合物
公开(公告)号：US4957985A
公开(公告)日：1990-09-18
申请号：US138653
申请日：1987-12-29
申请人： Tokinori Agou , Takeshi Sakashita , Tomoaki Shimoda , Masaru Sudo , Masahiro Kuwabara , Masahide Tanaka
发明人： Tokinori Agou , Takeshi Sakashita , Tomoaki Shimoda , Masaru Sudo , Masahiro Kuwabara , Masahide Tanaka
IPC分类号： C08F20/28 , G02B1/04
CPC分类号： C08F20/28 , G02B1/043 , Y10S525/937
摘要： Hydrophilic gelled crosslinked polymers comprising as an essential constituent monomer component a (meth)acrylate ester monomer having a fluorine-substituted hydrocarbon group containing at least three fluorine atoms grafted thereto. The fluorine-containing polymers have excellent oxygen permeability, water swellability, wearing comfort and contamination resistance.

10. 发明授权

US06340738B2 Continuous method for manufacturing polycarbonate 失效
标题翻译：连续制造聚碳酸酯的方法
公开(公告)号：US06340738B2
公开(公告)日：2002-01-22
申请号：US09845642
申请日：2001-04-30
申请人： Tomoaki Shimoda , Takeshi Sakashita
发明人： Tomoaki Shimoda , Takeshi Sakashita
IPC分类号： C08G6400
CPC分类号： C08G64/307 , C08G64/205
摘要： To provide a method with which a polycarbonate can be manufactured efficiently without any pipe clogging or foreign material admixture in the course of the continuous manufacture of a polycarbonate. A continuous method for manufacturing a polycarbonate, characterized in that, in the continuous manufacture of a polycarbonate by transesterification from a dihydroxy compound and a carbonic diester, the crystallization of a polycarbonate lower polycondensate produced in the intermediate stage of a polycondensation reaction whose intrinsic viscosity (IV) measured at 20° C. in methylene chloride is between 0.1 and 0.4 dL/g is suppressed by setting the temperature to be at least 230° C. on the surface of the reactor equipment in contact with the polycarbonate lower polycondensate.
摘要翻译：提供一种在连续制造聚碳酸酯的过程中可以有效地制造聚碳酸酯而没有任何管堵塞或异物混合的方法。一种用于制造聚碳酸酯的连续方法，其特征在于，在连续制造聚碳酸酯通过二羟基化合物和碳酸二酯的酯交换反应，在二氯甲烷中在20℃下测定的特性粘度（Ⅳ）在二氯甲烷中的缩聚反应的中间阶段产生的聚碳酸酯低缩聚物的结晶为0.1〜0.4dL / g 通过在与聚碳酸酯低缩聚物接触的反应器设备的表面上设定温度至少为230℃来抑制。

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