摘要:
A transparent optical material containing at least one selenium atom, a plastic lens comprising the transparent optical material, and methods for preparing them. In addition, there are also disclosed novel selenium-containing compounds represented by the following formulae (1), (2) and (4) which are useful for the transparent optical material and the plastic lens: ##STR1## wherein symbols are as defined in the specification.
摘要:
There are herein disclosed a transparent optical material containing at least one selenium atom, a plastic lens comprising the transparent optical material, and methods for preparing them. In addition, there are also disclosed novel selenium-containing compounds represented by the following formulae (1), (2) and (4) which are useful for the transparent optical material and the plastic lens: wherein symbols are as defined in the specification.
摘要:
There are herein disclosed a transparent optical material containing at least one selenium atom, a plastic lens comprising the transparent optical material, and methods for preparing them. In addition, there are also disclosed novel selenium-containing compounds represented by the following formulae (1), (2) and (4) which are useful for the transparent optical material and the plastic lens: wherein symbols are as defined in the specification.
摘要:
A transparent optical material containing at least one selenium atom, a plastic lens comprising the transparent optical material, and methods for preparing them. In addition, there are also disclosed novel selenium-containing compounds represented by the following formulae (1), (2) and (4) which are useful for the transparent optical material and the plastic lens: wherein symbols are as defined in the specification.
摘要:
A composition for polysulfide-based resin comprising a polythiol having 4 or more functional groups and a compound having a reactive unsaturated bond(s) and/or b epoxy group(s) and/or c iso(thio)cyanato group(s) in one molecule (however, a+b+c.gtoreq.2, and a and b are not simultaneously 0). A polysulfide-based resin obtained by curing the composition, an optical material comprising the resin, a lens consisting of the optical material and a method for producing the polysulfide-based resin are also set forth.
摘要翻译:一种用于多硫化物基树脂的组合物,其包含具有4个或更多个官能团的多硫醇和具有一个或多个反应性不饱和键和/或b个环氧基和/或c(硫代)氰基的化合物, 一个分子(然而,a + b + c> / = 2,a和b不同时为0)。 还提出了通过固化组合物获得的聚硫化物基树脂,包含树脂的光学材料,由光学材料组成的透镜和用于制备多硫化物基树脂的方法。
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:
This invention provides a polymerizable composition for a lens with a high refractive index comprising at least one polythiol compound represented general formula (1): R—(SCH2SH)n (1) where R is an organic residue except an aromatic group and n is an integer of at least 1, having at least two intramolecular mercapto groups and at least one compound having an intramolecular functional group which can react with a mercapto group; a resin prepared by polymerizing the composition; an optical element and a lens made of the resin; and a process for preparing a thiol compound comprising the steps of reacting a compound represented by general formula (2): HS—R1(—S—R2)m (2) where m is an integer of at least 1; R1 represents an aromatic, aliphatic, alicyclic or heterocyclic organic residue or aliphatic, alicyclic or heterocyclic organic residue with an aromatic ring or a sulfur atom in its chain; and R2 represents a protective group, with a compound having a functional group which can react with a mercapto group, and then converting —S—R2 into —SH.
摘要翻译:本发明提供了一种具有高折射率的透镜的可聚合组合物,其包含至少一种通式(1)表示的多硫醇化合物:其中R是芳族基团以外的有机残基,n是至少为1的整数,至少具有 两个分子内巯基和至少一种具有可与巯基反应的分子内官能团的化合物; 通过聚合组合物制备的树脂; 光学元件和由树脂制成的透镜; 以及制备硫醇化合物的方法,包括使通式(2)表示的化合物:其中m为至少1的整数; R 1表示其链中具有芳环或硫原子的芳族,脂族,脂环族或杂环的有机残基或脂族,脂环族或杂环的有机残基; R 2表示保护基,具有可与巯基反应的官能团的化合物,然后将-S-R 2转化为-SH。
摘要:
This invention provides a polymerizable composition for a lens with a high refractive index comprising at least one polythiol compound represented general formula (1): R—(SH2SH)n (1) where R is an organic residue except an aromatic group and n is an integer of at least 1, having at least two intramolecular mercapto groups and at least one compound having an intramolecular functional group which can react with a mercapto group; a resin prepared by polymerizing the composition; an optical element and a lens made of the resin; and a process for preparing a thiol compound comprising the steps of reacting a compound represented by general formula (2): HS—R1(—S—R2)m (2) where m is an integer of at least 1; R1 represents an aromatic, aliphatic, alicyclic or heterocyclic organic residue or aliphatic, alicyclic or heterocyclic organic residue with an aromatic ring or a sulfur atom in its chain; and R2 represents a protective group, with a compound having a functional group which can react with a mercapto group, and then converting —S—R2 into —SH.
摘要:
A polymerizable composition for a lens with a high refractive index comprising at least one polythiol compound represented general formula (1): R—(SH2SH)n (1) where R is an organic residue except an aromatic group and n is an integer of at least 1, having at least two intramolecular mercapto groups and at least one compound having an intramolecular functional group which can react with a mercapto group; a resin prepared by polymerizing the composition; an optical element and a lens made of the resin; and a process for preparing a thiol compound comprising the steps of reacting a compound represented by general formula (2): HS—R1(—S—R2)m (2) where m is an integer of at least 1; R1 represents an aromatic, aliphatic, alicyclic or heterocyclic organic residue or aliphatic, alicyclic or heterocyclic organic residue with an aromatic ring or a sulfur atom in its chain; and R2 represents a protective group, with a compound having a functional group which can react with a mercapto group, and then converting —S—R2 into —SH.
摘要翻译:一种高折射率透镜的可聚合组合物,其包含至少一种通式(1)表示的多硫醇化合物:其中R是芳族基团以外的有机残基,n是至少为1的整数,具有至少两个分子内巯基 和至少一种具有可与巯基反应的分子内官能团的化合物; 通过聚合组合物制备的树脂; 光学元件和由树脂制成的透镜; 以及制备硫醇化合物的方法,包括使通式(2)表示的化合物:其中m为至少1的整数; R 1表示其链中具有芳环或硫原子的芳族,脂族,脂环族或杂环的有机残基或脂族,脂环族或杂环的有机残基; R 2表示保护基,具有可与巯基反应的官能团的化合物,然后将-S-R 2转化为-SH。
摘要:
A process for producing an aldehyde compound of the invention comprising: reacting a compound represented by the following formula (a1) or (a2) with a hydrogen and a carbon monoxide in a presence of a compound containing a metal belonging to Groups 8 to 10 and a phosphorous compound so as to satisfy the following conditions (1) and (2) to synthesize an aldehyde compound; wherein the condition (1) is that a content of a metal included in the compound containing a metal belonging to Groups 8 to 10 is 0.01 ppmmol to 300 ppmmol with respect to 1 mol of the compound represented by the formula (a1) or (a2), and wherein the condition (2) is that a molar ratio represented by the phosphorous compound (mol)/the metal (mol) is 100 or more;