摘要:
A polymerizable composition for an optical material containing tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakismercaptoacetate, pentaerythritol tetrakismercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane.
摘要:
To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.
摘要:
A polymerizable composition and a manufacturing method thereof are provided, in which the composition is capable of meeting requirements of overcoming decrease in production yield of a resin composed of a thioepoxy compound, the decrease being caused by variations in refractive index, hue, and optical strain. In a polymerizable composition containing a compound having at least one structure represented by the above formula (where R1 represents a hydrocarbon having 1 to 10 carbon atoms, R2, R3, and R4 each represent a hydrocarbon group having 1 to 10 carbon atoms or a hydrogen atom.), the total of a thioepoxy compound A, which has at least one structure represented by formula (2) and at least one structure represented by formula (3), and a thioepoxy compound B, which has at least one structure represented by formula (4) and at least one structure represented by formula (3), is 4 mass percent or less with respect to the total mass of the polymerizable composition.
摘要:
The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).
摘要:
The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane.
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:
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 。
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:
A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms and one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate, is provided.
摘要:
The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).