-
1.发明授权Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared thereby 失效具有高折射率的塑料透镜，其制备方法和用于制备含硫聚氨酯树脂透镜和由其制备的透镜的浇铸聚合方法
公开(公告)号：US5753730A
公开(公告)日：1998-05-19
申请号：US700508
申请日：1991-05-15
申请人： Teruyuki Nagata , Koju Okazaki , Tohru Miura , Nobuyuki Kajimoto , Yoshinobu Kanemura , Katsuyoshi Sasagawa , Masao Imai
发明人： Teruyuki Nagata , Koju Okazaki , Tohru Miura , Nobuyuki Kajimoto , Yoshinobu Kanemura , Katsuyoshi Sasagawa , Masao Imai
IPC分类号： B29C33/60 , C08G18/38 , C08G18/73 , C08G18/75 , C08G18/76 , C08K5/02 , C08K5/098 , C08K5/19 , C08K5/521 , C08K5/54 , C08L75/04 , G02B1/04 , C08K5/51
CPC分类号： B29C33/60 , C08G18/3863 , C08G18/3876 , C08G18/73 , C08G18/75 , C08G18/7628 , C08K5/02 , C08K5/098 , C08K5/19 , C08K5/521 , C08K5/54 , C08L75/04 , G02B1/041
摘要： One aspect of the present invention relates to a process for preparing plastic lenses having a high-refractive index comprising forming a mixture containing one or more polyisocyanate compounds; one or more active hydrogen compounds selected from the group consisting of a polyol compound having no sulfur atom, a polyol compound having at least one sulfur atom, and a polythiol compound having at least one sulfur atom in addition to the sulfur atom contained in mercapto group and at least one internal releasing agent and then casting and polymerizing the mixture. A second aspect of the present invention relates to a process for preparing a sulfur-containing urethane resin lens is here disclosed which comprises mixing polyisocyanate having two or more isocyanato groups, polythiol having two or more thiol groups and one or more surface active agent selected from the group consisting of fluorine-containing nonionic surface active agents, silicone-containing nonionic surface active agents, alkyl quaternary ammonium salts and acid phosphoric esters and then cast polymerizing the mixture in a mold made of a glass or a metal. Lenses prepared by the processes are also disclosed.
摘要翻译： 本发明的一个方面涉及一种制备具有高折射率的塑料透镜的方法，包括形成含有一种或多种多异氰酸酯化合物的混合物; 一种或多种选自不含硫原子的多元醇化合物的活性氢化合物，至少一个硫原子的多元醇化合物，以及巯基中含有硫原子以外还具有至少一个硫原子的多硫醇化合物 和至少一种内部脱模剂，然后浇铸和聚合该混合物。 本发明的第二方面涉及一种制备含硫聚氨酯树脂透镜的方法，其包括混合具有两个或多个异氰酸酯基的多异氰酸酯，具有两个或更多个硫醇基的多硫醇和一种或多种选自以下的表面活性剂： 由含氟非离子表面活性剂，含硅氧烷的非离子表面活性剂，烷基季铵盐和酸性磷酸酯组成的组，然后将混合物浇铸在由玻璃或金属制成的模具中。 还披露了由该方法制备的镜片。
-
2.发明授权Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur containing urethane resin lens and lens prepared thereby 失效具有高折射率的塑料透镜，其制备方法和用于制备含硫聚氨酯树脂透镜和由其制备的透镜的浇铸聚合方法
公开(公告)号：US5594088A
公开(公告)日：1997-01-14
申请号：US478653
申请日：1995-06-07
申请人： Teruyuki Nagata , Koju Okazaki , Tohru Miura , Nobuyuki Kajimoto , Yoshinobu Kanemura , Katsuyoshi Sasagawa , Masao Imai
发明人： Teruyuki Nagata , Koju Okazaki , Tohru Miura , Nobuyuki Kajimoto , Yoshinobu Kanemura , Katsuyoshi Sasagawa , Masao Imai
IPC分类号： B29C33/60 , C08G18/38 , C08G18/73 , C08G18/75 , C08G18/76 , C08K5/02 , C08K5/098 , C08K5/19 , C08K5/521 , C08K5/54 , C08L75/04 , G02B1/04 , C08G18/32
CPC分类号： C08G18/3863 , B29C33/60 , C08G18/3876 , C08G18/73 , C08G18/75 , C08G18/7628 , C08K5/02 , C08K5/098 , C08K5/19 , C08K5/521 , C08K5/54 , C08L75/04 , G02B1/041
摘要： One aspect of the present invention relates to a process for preparing plastic lenses having a high-refractive index comprising forming a mixture containing one or more polyisocyanate compounds; one or more active hydrogen compounds selected from the group consisting of a polyol compound having no sulfur atom, a polyol compound having at least one sulfur atom, and a polythiol compound having at least one sulfur atom in addition to the sulfur atom contained in mercapto group and at least one internal releasing agent and then casting and polymerizing the mixture.A second aspect of the present invention relates to a process for preparing a sulfur-containing urethane resin lens is here disclosed which comprises mixing polyisocyanate having two or more isocyanato groups, polythiol having two or more thiol groups and one or more surface active agent selected from the group consisting of fluorine-containing nonionic surface active agents, silicone-containing nonionic surface active agents, alkyl quaternary ammonium salts and acid phosphoric esters and then cast polymerizing the mixture in a mold made of a glass or a metal. Lenses prepared by the processes are also disclosed.
摘要翻译： 本发明的一个方面涉及一种制备具有高折射率的塑料透镜的方法，包括形成含有一种或多种多异氰酸酯化合物的混合物; 一种或多种选自不含硫原子的多元醇化合物的活性氢化合物，至少一个硫原子的多元醇化合物，以及巯基中含有硫原子以外还具有至少一个硫原子的多硫醇化合物 和至少一种内部脱模剂，然后浇铸和聚合该混合物。 本发明的第二方面涉及一种制备含硫聚氨酯树脂透镜的方法，其包括混合具有两个或多个异氰酸酯基的多异氰酸酯，具有两个或多个硫醇基的多硫醇和一种或多种选自以下的表面活性剂： 由含氟非离子表面活性剂，含硅氧烷的非离子表面活性剂，烷基季铵盐和酸性磷酸酯组成的组，然后将混合物浇铸在由玻璃或金属制成的模具中。 还披露了由该方法制备的镜片。
-
3.发明授权Resin for plastic lens having high-refractive index, lens comprising the resin, and method for preparation of the lens 失效具有高折射率的塑料透镜用树脂，包含该树脂的透镜以及该透镜的制备方法
公开(公告)号：US5021503A
公开(公告)日：1991-06-04
申请号：US311352
申请日：1989-02-15
申请人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
发明人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
CPC分类号： C08G18/3876 , C08G18/34 , C08G18/775
摘要： The present invention relates to resin useful in preparing plastic lenses having a high refractive index comprising reacting an aliphatic polyisocyanate compounds having at least one sulfur atom with one or more of active hydrogen compounds selected from the group consisting of a polyol, a polythiol having sulfur atoms only in a mercapto groups, and a polythiol having at least one sulfur atom other than in the mercapto groups; lenses containing the above-mentioned resin; and a method for the preparation thereof characterized by adding an internal release agent to the mixture of the above-mentioned raw materials in casting lenses from the resin; and lenses obtained by this method.
-
公开(公告)号：US5013496A
公开(公告)日：1991-05-07
申请号：US310388
申请日：1989-02-15
申请人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
发明人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
IPC分类号： G02B1/04 , B29C39/02 , B29K75/00 , B29K105/32 , B29L11/00 , C08G18/00 , C08G18/34 , C08G18/38 , C08G18/77 , C08L75/00
CPC分类号： C08G18/3876 , C08G18/34 , C08G18/775
摘要： A process for producing a plastic lens having a high refractive index and profile regularity which includes forming a mixture of one or more of sulfur-containing aromatic polyisocyanate compounds, one or more of active hydrogen compounds selected from the group consisting of polyol compounds and polythiol compounds, and at least one internal mold releasing agent. Then subjecting the resulting mixture to casting polymerization, to form the plastic lens.
-
5.发明授权Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens 失效聚氨酯基础透镜树脂，包含树脂的塑料透镜和透镜的制备方法
公开(公告)号：US4929707A
公开(公告)日：1990-05-29
申请号：US305905
申请日：1989-02-03
申请人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
发明人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
IPC分类号： B29C33/60 , B29C39/02 , B29K75/00 , B29K105/32 , B29L11/00 , C08G18/30 , C08G18/32 , C08G18/38 , C08G18/77 , G02B1/04
CPC分类号： C08G18/775 , B29C33/60 , C08G18/3863 , G02B1/041 , B29K2075/00 , B29L2011/0016
摘要： Polyurethane base lens resins obtained by reacting one or more of sulfur-containing polyisocyanates compound with one or more of sulfur-containing polyols, and polyurethane base lenses comprising these resins are disclosed.A method for preparing polyurethane base lenses which comprises adding internal mold releasing agents to the mixture of the above polyisocyanates and polyols prior to casting polymerization is also disclosed.
-
公开(公告)号：US5126388A
公开(公告)日：1992-06-30
申请号：US648873
申请日：1991-01-31
申请人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
发明人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
IPC分类号： G02B1/04 , B29C39/02 , B29K75/00 , B29K105/32 , B29L11/00 , C08G18/00 , C08G18/34 , C08G18/38 , C08G18/77 , C08L75/00
CPC分类号： C08G18/3876 , C08G18/34 , C08G18/775
摘要： The present invention relates to a process for producing a plastic lens having a high refractive index and profile regularity comprising forming a mixture of one or more of sulfur-containing aromatic polyisocyanate compounds, one or more of active hydrogen compounds selected from the group consisting of polyol compounds and polythiol compounds, and at least one internal mold releasing agent, and subjecting the resulting mixture to casting polymerization, and a plastic lens obtained according to the process.
摘要翻译： 本发明涉及一种具有高折射率和轮廓规律性的塑料透镜的制造方法，包括形成一种或多种含硫芳族多异氰酸酯化合物，一种或多种活性氢化合物的混合物，所述活性氢化合物选自多元醇 化合物和多硫醇化合物，以及至少一种内部脱模剂，并将所得混合物进行浇铸聚合，以及根据该方法获得的塑料透镜。
-
7.发明授权S-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lens 失效S-烷基硫代氨基甲酸酯基树脂，包含树脂的塑料透镜，以及制造透镜的方法
公开(公告)号：US4946923A
公开(公告)日：1990-08-07
申请号：US310618
申请日：1989-02-15
申请人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
发明人： Teruyuki Nagata , Koju Okazaki , Nobuyuki Kajimoto , Tohru Miura , Yoshinobu Kanemura , Katsuyoshi Sasagawa
CPC分类号： C08G18/775 , B29C33/60 , C08G18/3876 , G02B1/041
摘要： Disclosed herein are a novel and highly refractive S-alkyl thiocarbamate base resin useful in preparing lenses and a process for producing the resin comprising reacting one or more of polyisocyanate compounds and one or more of mercapto compound having at least one hydroxyl group, a plastic lens made of the resin, and a process for making a plastic lens of high profile regularity from the resin by using internal mold releasing agents in the casting polymerization process.
-
8.发明授权High-refractivity plastic lens resin formed from a polyisocyanate and a polythiol 失效由多异氰酸酯和多硫醇形成的高折射率塑性透镜树脂
公开(公告)号：US4791185A
公开(公告)日：1988-12-13
申请号：US116959
申请日：1987-11-05
CPC分类号： G02B1/04 , C08G18/3876 , G02B1/041
摘要： Disclosed herein is a colorless transparent plastic lens having high refractivity and low dispersion. The lens is light, has heat resistance sufficient for post processing, and is excellent in grinding machinability and impact resistance. It is made of a sulfur-containing urethane resin, which is a polymer of a specific polythiol and a particular polyisocyanate of at least bifunctionality.
摘要翻译： 本文公开了具有高折射率和低分散性的无色透明塑料透镜。 透镜轻巧，具有足够的后处理耐热性，并且具有优良的研磨加工性和耐冲击性。 它由含硫聚氨酯树脂制成，其是特定多硫醇的聚合物和具有至少双官能度的特定多异氰酸酯。
-
9.发明授权High-refractivity plastic lens resin formed by reacting at least one polyisocyanate with at least one polythiol 失效通过使至少一种多异氰酸酯与至少一种多硫醇反应而形成的高折射率塑料透镜树脂
公开(公告)号：US4775733A
公开(公告)日：1988-10-04
申请号：US19622
申请日：1987-02-27
IPC分类号： C08G18/72 , C08G18/38 , C08G18/76 , C08G18/77 , G02B1/04 , C08G18/32 , C08G18/34 , C08G18/70
CPC分类号： G02B1/04 , C08G18/3876 , C08G18/7628 , C08G18/773
摘要： Disclosed herein are a high-refractivity plastic lens resin obtained by polymerizing under heat at least one polyisocyanate (I): ##STR1## wherein X means a hydrogen, chlorine or bromine atom or a methyl or ethyl group, Z is a hydrogen atom or a methyl group, a stands for an integer of 1-4, b is an integer of 2-4, and a+b is not greater than 6 (a+b.ltoreq.6), with at least one polythiol (II): ##STR2## wherein R means a methyl, ethyl, chloromethyl or bromomethyl group, m stands for an integer of 0-2 and n is 4-m and/or at least one polythiol (III): ##STR3## wherein X means a hydrogen, chlorine or bromine atom or a methyl or ethyl group, Y denotes an oxygen or sulfur atom, r stands for 0 or 1, s is an integer of 0-2, p is an integer of 2-4, q is an integer of 1-4 and p+q is not greater than 6 (p+q.ltoreq.6), in such amounts that the --NCO/--SH molar ratio falls within 0.5-3.0, as well as a lens made of the above resin.
摘要翻译： 本文公开了通过在加热下聚合至少一种多异氰酸酯（I）获得的高折射率塑料透镜树脂：其中X表示氢，氯或溴原子或甲基或乙基，Z是氢 原子或甲基，a表示1-4的整数，b表示2-4的整数，a + b不大于6（a + b <6），至少有一个多硫醇（ II）：其中R表示甲基，乙基，氯甲基或溴甲基，m表示0-2的整数，n表示4-m和/或至少一个多硫醇（III）：
（III）其中X表示氢，氯或溴原子或甲基或乙基，Y表示氧或硫原子，r表示0或1，s表示0-2的整数，p表示 2-4，q是1-4的整数，p + q不大于6（p + q -
10.发明授权Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens 失效用于聚氨酯基塑料透镜，由组合物获得的聚氨酯基塑料透镜的组合物，以及用于生产塑料透镜的方法
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
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。
-
-
-
-
-
-
-
-
-
搜索结果
76 条记录 (耗时 0.033 秒)
