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公开(公告)号：US4861854A
公开(公告)日：1989-08-29
申请号：US200864
申请日：1988-06-01
CPC分类号： G03F7/0387 , C08G73/10 , C08G73/1053 , C08G73/1064 , C08G73/1067 , C08G73/1071
摘要： A photosensitive polyimide precursor composed of the structural units (A) represented by the following general formula (I) and the structural units (B) represented by the following general formula (II), in which the ratio of the molar quantity of the structural units (A) to the sum of the molar quantity of the structural units (A) and that of the structural units (B) is 0.01 or greater, and having a viscosity of 100 cP or above as measured at 25.degree. C. in the state of a 10% by weight solution in N-methylpyrrolidone: ##STR1## wherein R.sub.1 represents a tetravalent aromatic hydrocarbon residue; R.sub.2 represents a divalent aromatic hydrocarbon residue; X, identical or different represents a halogen or an alkyl group; and m represents 0 or an integer from 1 to 4. The photosensitivity of the present photosensitive polyimide precursor is about 20 to 100 times that of conventional products. After heat dehydration cyclization, it shows a heat resistance of 400.degree. C. or above.
摘要翻译： 由以下通式（I）表示的结构单元（A）和由以下通式（II）表示的结构单元（B））组成的光敏聚酰亚胺前体，其中结构单元 （A）和结构单元（B）的摩尔量的总和为0.01以上，粘度为100cP以上，在该状态下在25℃下测定 的10重量％的N-甲基吡咯烷酮溶液：其中R1表示四价芳烃残基;（I）其中R 1表示四价芳烃残基; R2表示二价芳烃残基; X相同或不同，表示卤素或烷基; m表示0或1〜4的整数。本发明的感光性聚酰亚胺前体的光敏度为常规产品的约20〜100倍。 热脱水环化后，其耐热性为400℃以上。
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公开(公告)号：US4670535A
公开(公告)日：1987-06-02
申请号：US875044
申请日：1986-06-17
申请人： Akitoshi Sugio , Takao Kawaki , Katsushige Hayashi
发明人： Akitoshi Sugio , Takao Kawaki , Katsushige Hayashi
IPC分类号： C08G73/00 , C08F290/00 , C08F299/02 , C08G73/10 , C08G73/12 , G03F7/038 , C08G16/00
CPC分类号： C08G73/1082 , G03F7/0387
摘要： The photosensitive polyimide precursor of the invention has a recurring unit represented by the following general formula [I]: ##STR1## (R.sub.1 represents a tetravalent aromatic hydrocarbon residue; R.sub.2 and R.sub.3 each represent a divalent aromatic or aliphatic hydrocarbon residue; and R.sub.4 represents a divalent aromatic hydrocarbon residue represented by ##STR2## wherein R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11 and R.sub.12, identical or different, each represent hydrogen atom, a halogen group or an alkyl group). The photosensitive polyimide precursor of the invention has a viscosity of 50 centipoises or above as measured at 23.degree. C. in the state of a 10% (by weight) solution in N,N-dimethylacetamide. Its photosensitivity is as high as about 20-100 times that of prior products. After heat cyclization, it exhibits a heat resistance of 400.degree. C. or above.The photosensitive polyimide precursor of the invention can be produced by subjecting a tetracarboxylic acid dianhydride and a diamino compound to a polycondensation reaction in an organic polar solvent.
摘要翻译： 本发明的光敏聚酰亚胺前体具有由以下通式[I]表示的重复单元：（R 1表示四价芳烃残基; R 2和R 3各自表示二价芳族或脂族烃 R4代表由下式表示的二价芳烃残基：其中R5，R6，R7，R8，R9，R10，R11和R12相同或不同，分别代表氢原子，卤素基团或烷基）。 本发明的光敏聚酰亚胺前体在23℃下的粘度为10厘泊（N，N-二甲基乙酰胺）溶液的状态下的粘度为50厘泊或更高。 其光敏度高达现有产品的约20-100倍。 热环化后，其耐热性为400℃以上。 本发明的感光性聚酰亚胺前体可以通过在有机极性溶剂中使四羧酸二酐和二氨基化合物进行缩聚反应来制造。
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公开(公告)号：US4038343A
公开(公告)日：1977-07-26
申请号：US623328
申请日：1975-10-17
申请人： Eiichi Yonemitsu , Akitoshi Sugio , Masanobu Masu , Takao Kawaki , Yukio Sasaki
发明人： Eiichi Yonemitsu , Akitoshi Sugio , Masanobu Masu , Takao Kawaki , Yukio Sasaki
IPC分类号： C08L25/00 , C08G65/00 , C08G65/38 , C08L7/00 , C08L21/00 , C08L25/04 , C08L33/00 , C08L33/02 , C08L51/00 , C08L51/02 , C08L71/00 , C08L71/12 , C08L33/04 , C08L51/04 , C08L53/02
CPC分类号： C08L25/04 , C08L71/123 , C08L71/12
摘要： A resin composition comprising (A) 5 to 95 parts by weight of a copolyphenylene ether derived from a mixture of 50 to 98 mole% of a 2,6-dialkylphenol and 2 to 50 mole% of a 2,3,6-trialkylphenol and (B) 5 to 95 parts by weight of a styrene resin. The composition has superior thermal resistance and oxidation stability under heat and satisfactory mechanical properties, and retains these desirable properties after heat-aging. The composition is suitable for preparation of molded articles.
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公开(公告)号：US4011200A
公开(公告)日：1977-03-08
申请号：US555129
申请日：1975-03-04
申请人： Eiichi Yonemitsu , Akitoshi Sugio , Takao Kawaki
发明人： Eiichi Yonemitsu , Akitoshi Sugio , Takao Kawaki
CPC分类号： C08G65/44
摘要： A polyphenylene ether random copolymer excelling in heat resistance and resistance to solvents, said copolymer being composed of 50-98 mol% of a structural unit of the formula ##STR1## derived from 2,6-dimethyl phenol and 50-2 mol% of a structural unit of the formula ##STR2## derived from 2,3,6-trimethylphenol, each of said structural units being randomly arranged in the polymeric structure, said copolymer having an intrinsic viscosity, as measured in chloroform at 25.degree. C., of at least 0.3 dl/g.
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5.发明授权
公开(公告)号：US3970640A
公开(公告)日：1976-07-20
申请号：US483329
申请日：1974-06-26
摘要： Polyphenylene ethers, self-condensation products of phenols, having desired polymerization degree are prepared by a process which comprises terminating the reaction by adding simultaneously at least one member selected from the class consisting of dioxybenzenes and/or benzoquinones and a reducing agent to the reaction medium at the stage of the desired polymerization degree in the oxidative polycondensation of phenols in the presence of a complex catalyst.
摘要翻译： 聚苯醚，具有所需聚合度的酚的自缩合产物通过包括终止反应的方法制备，其中将至少一种选自二氯苯和/或苯醌和还原剂的成员同时加入到反应介质中 在复合催化剂存在下酚的氧化缩聚所需的聚合度的阶段。
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公开(公告)号：US4246398A
公开(公告)日：1981-01-20
申请号：US35503
申请日：1979-05-02
申请人： Akitoshi Sugio , Atsuo Kuramoto , Takao Kawaki , Hiroyuki Urabe , Tatsuhiko Kurihara , Isamu Masumoto , Akio Hasebe
发明人： Akitoshi Sugio , Atsuo Kuramoto , Takao Kawaki , Hiroyuki Urabe , Tatsuhiko Kurihara , Isamu Masumoto , Akio Hasebe
CPC分类号： C08G65/46
摘要： A method for recovering polyphenylene oxide having a high bulk density and a reduced content of fine particles from a solution of a polyphenylene oxide, which comprises adding a non-solvent composed of a lower alkyl alcohol and water to an aromatic solvent solution of a polyphenylene oxide substantially free from impurities to precipitate the polyphenylene oxide, the weight ratio of the aromatic solvent to the lower alkyl alcohol being from 1:1 to 1:2 and the weight ratio of the lower alkyl alcohol to water being from 1:0.005 to 1:0.1 in the precipitation system, and the addition of the non-solvent being controlled such that a liquid composition of the aromatic solvent, the lower alkyl alcohol and water forms a single phase; and recovering the precipitated polyphenylene oxide.
摘要翻译： 从聚苯醚溶液中回收具有高堆积密度和微粒含量降低的聚苯醚的方法，其包括将由低级烷基醇和水组成的非溶剂加入到聚苯醚的芳族溶剂溶液中 基本上不含杂质以沉淀聚苯醚，芳族溶剂与低级烷基醇的重量比为1:1至1:2，低级烷基醇与水的重量比为1:0.005至1:1。 0.1，并且将非溶剂的添加控制为使得芳族溶剂，低级烷基醇和水的液体组合物形成单相; 并回收沉淀的聚苯醚。
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公开(公告)号：US5310944A
公开(公告)日：1994-05-10
申请号：US975444
申请日：1992-01-17
申请人： Takao Kawaki , Yuh Miyauchi , Toshio Watanabe , Katsushige Hayashi , Satoshi Ueno , Hiroshi Ogawa , Fumiya Zaima
发明人： Takao Kawaki , Yuh Miyauchi , Toshio Watanabe , Katsushige Hayashi , Satoshi Ueno , Hiroshi Ogawa , Fumiya Zaima
IPC分类号： C07B41/08 , C07B41/12 , C07C51/285 , C07D315/00 , C07D313/04 , C07D307/33 , C07D309/30
CPC分类号： C07D315/00 , C07B41/08 , C07B41/12 , C07C51/285
摘要： A process for producing a carboxylated compound, which comprises reacting a carbonyl compound with hydrogen peroxide in the presence of an organo-arsenic acid of the formula (1), ##STR1## wherein: R.sup.1 is a C.sub.1 -C.sub.12 alkyl group which may be substituted or an aryl group which may be substituted,R.sup.2 is a hydroxyl group or the same group as that which defines R.sup.1,or alternatively, R.sup.1 and R.sup.2 may bond to each other to form a five-membered or six-membered ring together with As atoms to which these groups are bonded, andthe substituent(s) substituted on the above groups is/are selected from hydroxyl, carboxyl, carbonyl, sulfonyl, sulfonium, an amino group, an ammonium group, an alkyl group, an alkoxyl group and a halogen atom,while a water concentration in a reaction system is maintained at not more than 2% by weight, thereby to form a corresponding carboxylated compound.
摘要翻译： 一种羧化化合物的制备方法，其包括在式（1）的有机砷酸存在下使羰基化合物与过氧化氢反应，其中：R1是C1-C12烷基， 可以被取代，或者可以被取代的芳基，R 2是与定义R 1的羟基或者相同的基团，或者，R 1和R 2可以彼此键合以形成五元或六元环在一起 与这些基团键合的As原子，并且上述取代基的取代基选自羟基，羧基，羰基，磺酰基，锍，氨基，铵基，烷基，烷氧基 基团和卤素原子，而反应体系中的水浓度保持在不超过2重量％，从而形成相应的羧化化合物。
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公开(公告)号：US5380907A
公开(公告)日：1995-01-10
申请号：US69604
申请日：1993-06-01
IPC分类号： B01J27/08 , B01J27/13 , B01J31/04 , B01J31/12 , B01J31/24 , C07B61/00 , C07C68/00 , C07C69/96
CPC分类号： C07C68/005
摘要： A process for producing an aromatic carbonate which comprises:reacting(a) an aromatic hydroxy compound with(b) carbon monoxide in the presence of(c) an oxidation agent,(d) a catalyst comprising a palladium compound or impregnated palladium catalyst,(e) a co-catalyst comprising a manganese compound, a cobalt compound or a copper compound, and(f) at least one nitrile compoundat a temperature of 20.degree. to 300.degree. C.
摘要翻译： 一种制备芳族碳酸酯的方法，其包括：（a）芳族羟基化合物与（b）一氧化碳在（c）氧化剂存在下反应，（d）包含钯化合物或浸渍的钯催化剂的催化剂（ e）包含锰化合物，钴化合物或铜化合物的助催化剂，和（f）至少一种腈化合物，温度为20-300℃。
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公开(公告)号：US5051309A
公开(公告)日：1991-09-24
申请号：US512182
申请日：1990-04-20
申请人： Takao Kawaki , Ryozo Kawai , Katsushige Hayashi , Masaki Nagata
发明人： Takao Kawaki , Ryozo Kawai , Katsushige Hayashi , Masaki Nagata
CPC分类号： G02B1/04 , G02B27/281 , G02B5/3033 , Y10S428/913 , Y10T428/26 , Y10T428/31507 , Y10T428/31935
摘要： An anti-dazzling polycarbonate polarizing plate is formed with a polarizing thin layer composed of a polymeric film having a dichroic substance adsorbed on and oriented in the polymeric film, and a polycarbonate sheet having a retardation value of at least 2000 nm bonded to one or both surfaces of the polarizing thin layer.
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公开(公告)号：US5321097A
公开(公告)日：1994-06-14
申请号：US054194
申请日：1993-04-30
申请人： Takao Kawaki , Akikazu Amagai , Masahiko Ishikawa , Toshiaki Yamada , Yasuhiro Hirai , Hajime Ban
发明人： Takao Kawaki , Akikazu Amagai , Masahiko Ishikawa , Toshiaki Yamada , Yasuhiro Hirai , Hajime Ban
CPC分类号： C08L79/08 , C08G18/4081 , C08G18/6438 , C08G18/6453 , C08L81/02
摘要： A heat-resistant resin composition comprising a melt-kneaded product of:(A) at least one member selected from the group consisting of a polyamideimide resin precursor composed mainly of a recurring unit of the formula (1)-a, ##STR1## wherein R is a divalent aromatic group or aliphatic group, R.sup.1 is a hydrogen atom, an alkyl group or a phenyl group, and Ar is a trivalent aromatic group composed of at least one six-membered ring, and a polyamideimide resin composed mainly of a recurring unit of the formula (1)-b, ##STR2## wherein R, R.sup.1 and Ar are as defined in the above formula (1)-a, (B) a polyphenylene sulfide resin, and(C) an organic isocyanate compound having at least two isocyanate groups in the molecule, the amount of said organic isocyanate compound being 0.5 to 5 parts by weight based on 100 parts by weight of the total amount of the compounds (A) and (B).
摘要翻译： 1.一种耐热性树脂组合物，其特征在于，含有以下物质的熔融混炼物：（A）选自主要由式（1）-a，（IMAGE）的重复单元组成的组的聚酰胺酰亚胺树脂前体中的至少一种 1）-a其中R是二价芳族基团或脂族基团，R1是氢原子，烷基或苯基，Ar是由至少一个六元环组成的三价芳族基团和聚酰胺酰亚胺树脂 主要由式（1）-b，其中R，R 1和Ar如上述式（1）-a定义的重复单元-b，（B）聚苯硫醚树脂， 和（C）分子中具有至少两个异氰酸酯基的有机异氰酸酯化合物，所述有机异氰酸酯化合物的量相对于化合物（A）和（A）的总量的100重量份为0.5〜5重量份， B）。
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