公开(公告)号：US5693738A

公开(公告)日：1997-12-02

申请号：US413113

申请日：1995-03-29

申请人： Koju Okazaki ,  Chitoshi Shimakawa ,  Mamoru Tanaka ,  Yoshinobu Kanemura ,  Teruyuki Nagata ,  Seiichi Kobayashi ,  Yoko Tajiri ,  Nobuya Kawauchi ,  Katsuyoshi Sasagawa

发明人： Koju Okazaki ,  Chitoshi Shimakawa ,  Mamoru Tanaka ,  Yoshinobu Kanemura ,  Teruyuki Nagata ,  Seiichi Kobayashi ,  Yoko Tajiri ,  Nobuya Kawauchi ,  Katsuyoshi Sasagawa

IPC分类号： C08G18/18 ,  C08G18/32 ,  C08G18/38 ,  G02B1/04

CPC分类号： C08G18/3876 ,  C08G18/1875 ,  C08G18/3203 ,  C08G18/3868 ,  G02B1/041

摘要： A composition for a urethane-base plastic lens, comprising: (a) at least one ester compound selected from the group consisting of isocyanate compounds, isothiocyanate compounds and isocyanato-containing isothiocyanate compounds, (b) at least one active hydrogen compound selected from the group consisting of hydroxyl compounds, mercapto compounds and mercapto-containing hydroxyl compounds, (c) a tertiary amine, and (d) a Lewis acid; a plastic lens obtained by heating and curing the composition, and a process for the production of the plastic lens. The composition has a long pot life and can produce an optically uniform plastic lens in a short time.

摘要翻译： 一种聚氨酯类塑料透镜用组合物，其含有：（a）至少一种选自异氰酸酯化合物，异硫氰酸酯化合物和含异氰酸酯基的异硫氰酸酯化合物的酯化合物，（b）至少一种选自 由羟基化合物，巯基化合物和含巯基的羟基化合物组成的组，（c）叔胺和（d）路易斯酸; 通过加热和固化组合物获得的塑料透镜，以及用于生产塑料透镜的方法。 该组合物具有长的适用期，并可在短时间内产生光学均匀的塑料透镜。

公开(公告)号：US06458917B2

公开(公告)日：2002-10-01

申请号：US09918549

申请日：2001-08-01

申请人： Hiroyuki Morijiri ,  Seiichi Kobayashi ,  Koju Okazaki ,  Chitoshi Shimakawa ,  Akinori Ryu ,  Yoshinobu Kanemura

发明人： Hiroyuki Morijiri ,  Seiichi Kobayashi ,  Koju Okazaki ,  Chitoshi Shimakawa ,  Akinori Ryu ,  Yoshinobu Kanemura

IPC分类号： C08G7508

CPC分类号： C08G75/08 ,  C07D303/34 ,  C07D331/02 ,  C08G59/302 ,  C08G65/22 ,  G02B1/04 ,  C08L81/00

摘要： An optical resin prepared by curing a polymerizable composition comprising a (thio)epoxy compound having at least one intramolecular disulfide bond exhibits a considerably high refractive index while maintaining good optical properties and a high Abbe number. In addition, the above polymerizable composition to which is added primary and/or secondary amines as an yellowing inhibitor in a proportion of 0.001 to 0.5 of the total molar number of NH2 and NH groups in the amines to the total molar number of thioepoxy and epoxy groups in the (thio)epoxy compound having at least one intramolecular disulfide bond, can provide a transparent resin in which yellowing and reduction in heat resistance associated therewith are adequately prevented while maintaining a high refractive index.

摘要翻译： 通过固化包含具有至少一个分子内二硫键的（硫代）环氧化合物的可聚合组合物制备的光学树脂显示相当高的折射率，同时保持良好的光学性能和高的阿贝数。 此外，上述可聚合组合物中加入伯胺和/或仲胺作为泛黄抑制剂，其比例为胺的总NH 2和NH基总数的0.001至0.5，硫代环氧和环氧基的总摩尔数 具有至少一个分子内二硫键的（硫代）环氧化合物中的基团可以提供透明树脂，其中在保持高折射率的同时充分防止与其相关的黄变和降低的耐热性。

公开(公告)号：US06365707B1

公开(公告)日：2002-04-02

申请号：US09584105

申请日：2000-05-31

申请人： Akinori Ryu ,  Seiichi Kobayashi ,  Hiroyuki Morijiri ,  Chitoshi Shimakawa ,  Koju Okazaki ,  Yoshinobu Kanemura ,  Nobuo Kawato

发明人： Akinori Ryu ,  Seiichi Kobayashi ,  Hiroyuki Morijiri ,  Chitoshi Shimakawa ,  Koju Okazaki ,  Yoshinobu Kanemura ,  Nobuo Kawato

IPC分类号： C08G7500

CPC分类号： C08G75/08 ,  C08G59/302 ,  C08G65/22 ,  G02B1/04 ,  C08L81/00

摘要： A polymerizable composition according to the present invention is characterized by that it comprises a compound (a) having at least one structure represented by the following formula (1): wherein R1 is a divalent hydrocarbon group having 1 to 10 carbon atoms, R2, R3 and R4 each independently represents a hydrocarbon group having 1 to 10 carbon atoms or a hydrogen atom; X stands for an S or O atom and the average number of S atom is at least 50% based on the total number of S and O atoms which consist of the three membered ring; and X′ is —S— or —O—, at least two compounds (b) having a tertiary amino group substituted with aliphatic and/or aromatic group(s), which are each different in catalytic activity as a polymerization catalyst, with the proviso that the ratio of the total of the tertiary amino groups in the at least two compounds (b) to the episulfide groups in compound (a) is in the range of 0.0001 to 0.02 in terms of a molar ratio of amino/episulfide functional group.

摘要翻译： 根据本发明的可聚合组合物的特征在于其包含具有至少一个由下式（1）表示的结构的化合物（a）：其中R1是具有1-10个碳原子的二价烃基，R2，R3 R 4各自独立地表示碳原子数1〜10的烃基或氢原子。 基于由三元环组成的S和O原子的总数，X表示S或O原子，S原子的平均数至少为50％ X'为-S-或-O-，至少两个具有被脂肪族和/或芳香族基团取代的叔氨基的化合物（b），它们各自作为聚合催化剂的催化活性各不相同，与 条件是化合物（a）中至少两种化合物（b）中的叔胺基团与环硫化物基团的总量的比例以氨基/环硫化物官能团的摩尔比计在0.0001至0.02的范围内 。

公开(公告)号：US06204311B1

公开(公告)日：2001-03-20

申请号：US09263483

申请日：1999-03-08

申请人： Hiroyuki Morijiri ,  Seiichi Kobayashi ,  Koju Okazaki ,  Chitoshi Shimakawa ,  Akinori Ryu ,  Yoshinobu Kanemura

发明人： Hiroyuki Morijiri ,  Seiichi Kobayashi ,  Koju Okazaki ,  Chitoshi Shimakawa ,  Akinori Ryu ,  Yoshinobu Kanemura

IPC分类号： C08L6300

CPC分类号： C08G75/08 ,  C07D303/34 ,  C07D331/02 ,  C08G59/302 ,  C08G65/22 ,  G02B1/04 ,  C08L81/00

摘要： An optical resin prepared by curing a polymerizable composition comprising a (thio)epoxy compound having at least one intramolecular disulfide bond exhibits a considerably high refractive index while maintaining good optical properties and a high Abbe number. In addition, the above polymerizable composition to which is added primary and/or secondary amines as an yellowing inhibitor in a proportion of 0.001 to 0.5 of the total molar number of NH2 and NH groups in the amines to the total molar number of thioepoxy and epoxy groups in the (thio)epoxy compound having at least one intramolecular disulfide bond, can provide a transparent resin in which yellowing and reduction in heat resistance associated therewith are adequately prevented while maintaining a high refractive index.

公开(公告)号：US06300464B2

公开(公告)日：2001-10-09

申请号：US09745448

申请日：2000-12-26

申请人： Hiroyuki Morijiri ,  Seiichi Kobayashi ,  Koju Okazaki ,  Chitoshi Shimakawa ,  Akinori Ryu ,  Yoshinobu Kanemura

发明人： Hiroyuki Morijiri ,  Seiichi Kobayashi ,  Koju Okazaki ,  Chitoshi Shimakawa ,  Akinori Ryu ,  Yoshinobu Kanemura

IPC分类号： C08G7508

CPC分类号： C08G75/08 ,  C07D303/34 ,  C07D331/02 ,  C08G59/302 ,  C08G65/22 ,  G02B1/04 ,  C08L81/00

摘要： An optical resin prepared by curing a polymerizable composition comprising a (thio)epoxy compound having at least one intramolecular disulfide bond exhibits a considerably high refractive index while maintaining good optical properties and a high Abbe number. In addition, the above polymerizable composition to which is added primary and/or secondary amines as an yellowing inhibitor in a proportion of 0.001 to 0.5 of the total molar number of NH2 and NH groups in the amines to the total molar number of thioepoxy and epoxy groups in the (thio)epoxy compound having at least one intramolecular disulfide bond, can provide a transparent resin in which yellowing and reduction in heat resistance associated therewith are adequately prevented while maintaining a high refractive index.

摘要翻译： 通过固化包含具有至少一个分子内二硫键的（硫代）环氧化合物的可聚合组合物制备的光学树脂显示相当高的折射率，同时保持良好的光学性能和高的阿贝数。 此外，上述可聚合组合物中加入伯胺和/或仲胺作为泛黄抑制剂，其比例为胺的总NH 2和NH基总数的0.001至0.5，硫代环氧和环氧基的总摩尔数 具有至少一个分子内二硫键的（硫代）环氧化合物中的基团可以提供透明树脂，其中在保持高折射率的同时充分防止与其相关的黄变和降低的耐热性。

公开(公告)号：US5756766A

公开(公告)日：1998-05-26

申请号：US822687

申请日：1997-03-24

申请人： Nobuya Kawauchi ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

发明人： Nobuya Kawauchi ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

IPC分类号： C07C323/45 ,  C07D339/08 ,  C08G18/38 ,  C08G18/77 ,  G02B1/04 ,  C07C265/00

CPC分类号： C08G18/775 ,  C07C323/45 ,  C07D339/08 ,  C08G18/3876 ,  G02B1/041

摘要： A composition for optical materials is herein disclosed which comprises the following two components (a) and (b): (a) a component containing at least one of poly isocyanates represented by the formula (1) ##STR1## wherein A is an alkanediyl group or an alkanetetrayl group which may contain a sulfur atom, or a dithianetetrayl group, and the alkanediyl group or the alkanetetrayl group may be substituted by a phenyl group; B is a methylene chain represented by .paren open-st.CH.sub.2 .paren close-st..sub.m (m is an integer of 1 to 4) which may contain a sulfur atom, and B's may be the same or different; and n is an integer of 2 or 4, and (b) a component containing at least one of polythiols having two or more mercapto groups. The composition is useful to provide optical products such as plastic lenses, filters, substrates for recording media and optical fibers which have a very high refractive index and which are excellent in heat resistance.

摘要翻译： 本文公开了一种用于光学材料的组合物，其包含以下两种组分（a）和（b）：（a）含有由式（1）A（SBNCO）n（1）表示的聚异氰酸酯中的至少一种的组分，其中 A是可以含有硫原子的烷二基或烷基四
氮杂基团，或二硫杂萘基，并且烷二基或者烷基四氮杂基可以被苯基取代; B是可以含有硫原子的+545CH2 +546μm（m为1〜4的整数）表示的亚甲基，B可以相同或不同， n为2或4的整数，（b）含有具有两个以上巯基的多硫醇中的至少一种的成分。 该组合物可用于提供诸如塑料透镜，滤光器，用于记录介质的基底和具有非常高的折射率并且耐热性优异的光纤的光学产品。

公开(公告)号：US5652321A

公开(公告)日：1997-07-29

申请号：US550352

申请日：1995-10-30

申请人： Nobuya Kawauchi ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

发明人： Nobuya Kawauchi ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

IPC分类号： C07C323/45 ,  C07D339/08 ,  C08G18/38 ,  C08G18/77 ,  G02B1/04 ,  C08G18/48

CPC分类号： C08G18/775 ,  C07C323/45 ,  C07D339/08 ,  C08G18/3876 ,  G02B1/041

摘要： A composition for optical materials is herein disclosed which comprises the following two components (a) and (b):(a) a component containing at least one of poly isocyanates represented by the formula (1)A.paren open-st.S--B--NCO).sub.n (1)wherein A is an alkanediyl group or an alkanetetrayl group which may contain a sulfur atom, or a dithianetetrayl group, and the alkanediyl group or the alkanetetrayl group may be substituted by a phenyl group; B is a methylene chain represented by .paren open-st.CH.sub.2 .paren close-st..sub.m (m is an integer of 1 to 4) which may contain a sulfur atom, and B's may be the same or different; and n is an integer of 2 or 4, and(b) a component containing at least one of polythiols having two or more mercapto groups. The composition is useful to provide optical products such as plastic lenses, filters, substrates for recording media and optical fibers which have a very high refractive index and which are excellent in heat resistance.

摘要翻译： 本文公开了用于光学材料的组合物，其包含以下两种组分（a）和（b）：（a）含有由式（1）表示的聚异氰酸酯中的至少一种的组分A + 545 SB-NCO）n（ 1）其中A是可以含有硫原子的烷二基或烷基四
氮杂基团，或二硫代氨基甲酰基，并且烷二基或烷基四氮杂基可被苯基取代; B是可以含有硫原子的+545CH2 +546μm（m为1〜4的整数）表示的亚甲基，B可以相同或不同， n为2或4的整数，（b）含有具有两个以上巯基的多硫醇中的至少一种的成分。 该组合物可用于提供诸如塑料透镜，滤光器，用于记录介质的基底和具有非常高的折射率并且耐热性优异的光纤的光学产品。

公开(公告)号：US5352758A

公开(公告)日：1994-10-04

申请号：US169708

申请日：1993-12-20

申请人： Yoshinobu Kanemura ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

发明人： Yoshinobu Kanemura ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

IPC分类号： C07C321/14 ,  C08G18/38 ,  G02B1/04 ,  C07C319/06 ,  C08G18/08

CPC分类号： C08G18/3876 ,  C07C321/14 ,  G02B1/041

摘要： A mercapto compound represented by the following formula (1): ##STR1## is obtained by reacting, in the presence of a mineral acid, thiourea with a compound represented by the following formula (2): ##STR2## wherein X means a hydroxyl group or a chlorine or bromine atom, and then adding a base to alkalinize the reaction mixture so that the reaction product is hydrolyzed.The mercapto compound represented by the formula (1) can be reacted with at least one cyanate compound selected from the group consisting of polyisocyanate compounds, polyisothiocyanate compounds and isocyanate-group-containing isothiocyanate compounds to form a sulfur- containing urethane resin. A lens made of the resin is colorless and transparent, has high refractive index and low dispersion characteristics, and is excellent especially in heat resistance.

摘要翻译： （1）表示的巯基化合物：通过在无机酸存在下硫脲与下式（2）表示的化合物反应得到：（2） 其中X表示羟基或氯或溴原子，然后加入碱使反应混合物碱化，使反应产物水解。 由式（1）表示的巯基化合物可与至少一种选自多异氰酸酯化合物，多异氰酸酯化合物和含异氰酸酯基的异硫氰酸酯化合物的氰酸酯化合物反应，形成含硫聚氨酯树脂。 由树脂制成的透镜是无色透明的，具有高折射率和低分散特性，特别是耐热性优异。

公开(公告)号：US5306799A

公开(公告)日：1994-04-26

申请号：US95346

申请日：1993-07-23

申请人： Seiichi Kobayashi ,  Katsuyoshi Sasagawa ,  Yoshinobu Kanemura

发明人： Seiichi Kobayashi ,  Katsuyoshi Sasagawa ,  Yoshinobu Kanemura

IPC分类号： C08G18/38 ,  C08G18/76 ,  G02B1/04 ,  C08G18/32

CPC分类号： C08G18/7628 ,  C08G18/3876 ,  G02B1/041

摘要： The present invention discloses a composition for high refractive index plastic lens consisting of a monomer mixture wherein a particular aliphatic thiol compound is added to a polyisocyanate represented by general formula (1): ##STR1## wherein each X represents a hydrogen atom or a methyl group; each R represents a chlorine atom, a bromine atom, a methyl group or an ethyl group; m represents an integer of 0-4; and n represents an integer of 2-4, and a polythiol of formula (2): ##STR2## and a high refractive index plastic lens made of a urethane-containing resin obtained by polymerizing said composition.

摘要翻译： 本发明公开了一种由单体混合物组成的高折射率塑料透镜组合物，其中将特定的脂族硫醇化合物加入由通式（1）表示的多异氰酸酯中：（*化学结构*）（1）其中每个X表示 氢原子或甲基; 每个R表示氯原子，溴原子，甲基或乙基; m表示0-4的整数; 和n表示2-4的整数，和式（2）的多硫醇：（*化学结构*）（2）和由通过聚合所述组合物获得的含氨基甲酸酯的树脂制成的高折射率塑料透镜。

公开(公告)号：US5283312A

公开(公告)日：1994-02-01

申请号：US924454

申请日：1992-08-04

申请人： Yoshinobu Kanemura ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

发明人： Yoshinobu Kanemura ,  Katsuyoshi Sasagawa ,  Seiichi Kobayashi

IPC分类号： C07C321/14 ,  C08G18/38 ,  G02B1/04 ,  C07C319/06 ,  C08G18/08

CPC分类号： C08G18/3876 ,  C07C321/14 ,  G02B1/041

摘要： A mercapto compound represented by the following formula (1): ##STR1## is obtained by reacting, in the presence of a mineral acid, thiourea with a compound represented by the following formula (2): wherein X means a hydroxyl group or a chlorine or bromine atom, and then adding a base to alkalinize the reaction mixture so that the reaction product is hydrolyzed.The mercapto compound represented by the formula (1) can be reacted with at least one cyanate compound selected from the group consisting of polyisocyanate compounds, polyisothiocyanate compounds and isocyanate-group-containing isothiocyanate compounds to form a sulfur-containing urethane resin lens made of the resin is colorless and transparent, has high refractive index and low dispersion characteristics, and is excellent especially in heat resistance.

摘要翻译： 通过在无机酸存在下硫脲与下式（2）表示的化合物反应得到下式（1）表示的巯基化合物：（*化学结构*）（1）：（*化学式 结构*）（2）其中X表示羟基或氯或溴原子，然后加入碱使反应混合物碱化，使反应产物水解。 由式（1）表示的巯基化合物可以与至少一种选自多异氰酸酯化合物，多异硫氰酸酯化合物和含异氰酸酯基的异硫氰酸酯化合物的氰酸酯化合物反应，形成含硫聚氨酯树脂透镜 树脂是无色透明的，具有高折射率和低分散特性，特别是耐热性优异。