Preparation process of phthalide compound
    1.
    发明授权
    Preparation process of phthalide compound 失效
    苯酞化合物的制备方法

    公开(公告)号:US5973168A

    公开(公告)日:1999-10-26

    申请号:US94559

    申请日:1998-06-15

    IPC分类号: C07D307/885

    CPC分类号: C07D307/885

    摘要: A process for preparing a phthalide compound represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are individually an alkyl group, and R.sup.1 and R.sup.2, R.sup.3 and R.sup.4, and R.sup.5 and R.sup.6 can respectively bond to each other to form a heterocyclic ring together with a nitrogen atom, comprising oxidizing a triphenylmethane compound represented by the formula (2) ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same as above, is oxidized in the presence of activated carbon in an aqueous solvent by an oxidizing agent.The process can provide a fast reaction that produces a high purity product with high yield.

    摘要翻译: 一种制备由式(1)表示的苯酞化合物的方法:其中R1,R2,R3,R4,R5和R6分别是烷基,R1和R2,R3和R4以及R5和R6可以分别键合到 彼此一起与氮原子一起形成杂环,包括氧化由式(2)表示的三苯基甲烷化合物,其中R 1,R 2,R 3,R 4,R 5和R 6与上述相同,在活化的 碳在水性溶剂中的氧化剂。 该方法可以提供产生高产率的高纯度产物的快速反应。

    Polythiol compound
    2.
    发明授权
    Polythiol compound 有权
    多硫醇化合物

    公开(公告)号:US06770734B2

    公开(公告)日:2004-08-03

    申请号:US10316180

    申请日:2002-12-11

    IPC分类号: C08G7504

    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。

    Mercapto compound, its preparation process, and sulfur-containing
urethane resins and lenses using the same
    5.
    发明授权
    Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same 失效
    巯基化合物,其制备方法和含硫聚氨酯树脂和使用其的透镜

    公开(公告)号:US5352758A

    公开(公告)日:1994-10-04

    申请号:US169708

    申请日:1993-12-20

    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。

    Polymerizable monomer having at least one isopropenyl phenyl group and
being capable of forming a high surface hardness transparent resin
    6.
    发明授权
    Polymerizable monomer having at least one isopropenyl phenyl group and being capable of forming a high surface hardness transparent resin 失效
    具有至少一个异丙烯基苯基并且能够形成高表面硬度的透明树脂的可聚合单体

    公开(公告)号:US5260439A

    公开(公告)日:1993-11-09

    申请号:US808240

    申请日:1991-12-16

    摘要: The present invention relates to a high surface hardness transparent resin having excellent scratch resistance, heat resistance and chemical resistance, a glazing material, a protective cover for display devices, an optical lens and a hard coat material comprising the aforesaid resin, and a novel polymerizable monomer which is useful as a raw material of the above-mentioned resin.The monomer is represented by the formula (I) ##STR1## (wherein R is an aliphatic residue having or not having an halogen atom, an oxygen atom, an alicyclic ring, a heterocyclic ring or an aromatic ring, an alicyclic residue, or a heterocyclic residue, n is an integer of 1 to 4, when n=1, X is oxygen or sulfur, when n.gtoreq.2, X's are all oxygen or all sulfur, one X is oxygen while the other X or X's are sulfur, one X is sulfur while the other X or X's are oxygen, or two X's are oxygen while the other X's are sulfur).The aforesaid high surface hardness transparent resin comprises a crosslinked polymer prepared by copolymerizing a monomer (A) represented by the formula (I) and a monomer (B) having, in one molecule, m functional groups of at least one kind selected from the group consisting of CH.sub.2 .dbd.CH--C(O)--O--, CH.sub.2 .dbd.C(CH.sub.3)--C(O)--O-- and ##STR2## where (n+m) is an integer of 3 or more.

    摘要翻译: 本发明涉及耐刮擦性,耐热性和耐化学性优异的高表面硬度透明树脂,玻璃材料,显示装置用保护罩,光学透镜和包含上述树脂的硬涂层材料,以及新型可聚合的 可用作上述树脂的原料的单体。 单体由式(I)表示(I)(其中R是具有或不具有卤素原子,氧原子,脂环族环,杂环或芳环的脂肪族残基,脂环族残基 或杂环残基,n为1〜4的整数,当n = 1时,X为氧或硫,当n> = 2时,X全部为氧或全部硫,一个X为氧,另一个为X或 X是硫,一个X是硫,而另一个X或X是氧,或两个X是氧,而另一个X是硫)。 上述高表面硬度透明树脂包括通过使由式(I)表示的单体(A)和单分子(B)共聚而制备的交联聚合物,该单体在一个分子中具有选自以下的至少一种的m个官能团 由CH 2 = CH-C(O)-O-,CH 2 = C(CH 3)-C(O)-O-和组成,其中(n + m)为3以上的整数。

    Hard transparent resins and process for the production thereof
    8.
    发明授权
    Hard transparent resins and process for the production thereof 失效
    硬透明树脂及其生产工艺

    公开(公告)号:US5104953A

    公开(公告)日:1992-04-14

    申请号:US362248

    申请日:1989-06-06

    CPC分类号: C08F20/36 C08F12/26 G02B1/04

    摘要: The present invention relates to a process for preparing a hard transparent resin comprising polymerizing a monomer (A) having both a functional group of the following formula (I): ##STR1## wherein X is selected from the group consisting of an oxygen atom and a sulfur atom,and a functional group selected from the group consisting of a functional group of the formula (II):CH.sub.2 CR--COO-- (II)wherein R is selected from the group consisting of hydrogen and methyl group,and a functional group of the formula (III): ##STR2## The invention also provides a process for preparing a transparent resin comprising copolymerizing monomer (A) with a monomer (B) having at least one functional group selected from the group consisting ofCH.sub.2 .dbd.CHCOO--,CH.sub.2 .dbd.C(CH.sub.3)--COO--, and ##STR3## This resin can be suitably used as a glazing material, and in the manufacture of optical lenses, optical information recording medium substrates, etc. It has a crosslinked structure, high surface hardness, and may be easily polymerized.

    Resin for high-refractivity lenses and lenses made of same resin
    9.
    发明授权
    Resin for high-refractivity lenses and lenses made of same resin 失效
    用于高折射率透镜的树脂和由相同树脂制成的透镜

    公开(公告)号:US4542201A

    公开(公告)日:1985-09-17

    申请号:US668884

    申请日:1984-11-06

    CPC分类号: G02B1/04 C08F218/00

    摘要: Disclosed herein are a resin for high-refractivity lenses, formed by copolymerizing at least one carbonate compound represented by the general formula (I): ##STR1## wherein X is a hydrogen, chlorine or bromine atom, and R is a hydrogen atom or a methyl group with at least one unifunctional monomer represented by the general formula (II): ##STR2## wherein R' is a hydrogen atom or a methyl group and Y represents ##STR3## wherein X' is a chlorine or bromine atom, q is an integer of 0-5, and r is 0 or 1 as well as high-refractivity lenses made of such a resin.The lens-making resin according to this invention has a high refractive index, is excellent in processability such as grinding processability, thermal resistance, solvent resistance and impact resistance. Moreover, it features outstanding miscibility between the unifunctional monomer and the carbonate upon copolymerization thereof, and minimized polymerization strain.

    摘要翻译: 本发明公开了一种用于高折射率透镜的树脂,其通过使至少一种由通式(I)表示的碳酸酯化合物:其中X为氢,氯或溴原子,其中R为氢 原子或具有至少一个由通式(II)表示的单官能单体的甲基:其中R'是氢原子或甲基,Y表示 + TR 其中X'是氯或溴原子,q是0-5的整数,r是0或1,以及由这种树脂制成的高折射率透镜。 根据本发明的透镜制造树脂具有高折射率,加工性,如研磨加工性,耐热性,耐溶剂性和耐冲击性优异。 此外,它在共聚时具有优异的单官能单体和碳酸酯之间的混溶性,并且使聚合应变最小化。