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    • 2. 发明授权
    • Optical lens and a process for preparing the lens
    • 光学透镜和准备透镜的工艺
    • US6019915A
    • 2000-02-01
    • US233441
    • 1999-01-20
    • Kenichi FujiiNobuya KawauchiToshiyuki SuzukiSeiichi KobayashiMasao Imai
    • Kenichi FujiiNobuya KawauchiToshiyuki SuzukiSeiichi KobayashiMasao Imai
    • C08F2/50C08F283/00C08F291/18C08G18/38G02B1/04B29D11/00B29C35/08G02B3/00G02C7/02
    • C08G18/3876C08F283/006C08F291/18G02B1/041
    • Disclosed are (1) an optical resin composition comprising Component A: a thiourethane prepolymer compound prepared by reacting a polythiol compound having at least 3 functional groups and an intramolecular sulfide bond, with a polyisocyanate compound in a molar ratio of --SH to --NCO ranging from 3.0 to 7.0; Component B: at least one (meth) acrylate compound having at least 2 functional groups; and Component C: a compound radically polymerizable with Components A and B, in 10 to 50% by weight, 35 to 70% by weight, and 5 to 30% by weight, respectively; (2) a preparation process for an optical resin by photopolymerization; (3) an optical resin; and (4) a prepolymer suitable for Component A. The composition is a novel, rapidly polymerizable composition for an optical resin. Furthermore, a resin prepared by curing the composition not only has a high refractive index and a high Abbe number, but also is excellent in transparency and optical homogeneity.
    • 公开了(1)光学树脂组合物,其包含组分A:通过使具有至少3个官能团和分子内硫键的多硫醇化合物与多异氰酸酯化合物以-SH至-NCO范围的摩尔比反应制备的硫代氨基甲酸酯预聚物化合物 3.0〜7.0; 组分B:至少一种具有至少2个官能团的(甲基)丙烯酸酯化合物; 和组分C:组分A和B可自由基聚合的化合物,分别为10至50重量%,35至70重量%和5至30重量% (2)通过光聚合制备光学树脂的制备方法; (3)光学树脂; 和(4)适用于组分A的预聚物。该组合物是用于光学树脂的新型快速聚合组合物。 此外,通过固化该组合物制备的树脂不仅具有高折射率和高阿贝数,而且透明性和光学均匀性也优异。
    • 3. 发明授权
    • Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof
    • 硫醇和含硫O-(甲基)丙烯酸酯化合物及其用途
    • US6114485A
    • 2000-09-05
    • US157985
    • 1998-09-22
    • Seiichi KobayashiNobuya KawauchiToshiyuki SuzukiMasao ImaiKenichi Fujii
    • Seiichi KobayashiNobuya KawauchiToshiyuki SuzukiMasao ImaiKenichi Fujii
    • C07C323/12C07C327/28C07C333/04C07D333/22C08F20/38G02B1/04C08F22/24C07C327/00G02C7/02
    • C08F20/38C07C323/12C07C327/28C07C333/04C07D333/22G02B1/041
    • A sulfur-containing O-(meth)acrylate compound of the following formula (1) is useful as a starting material for a resin composition used in optical applications such as a lens; wherein R represents hydrogen atom or methyl group; l represents an integer from 1 to 3; B is ##STR1## when B is ##STR2## n is 2; m is 1 or 2; A is selected from the following groups: ##STR3## wherein m represents 1 or 2; each ring may be substituted by one or more alkyl, alkylthio or alkoxy groups having 1 or 2 carbon atoms; p and q are 0 or 1, while m is 1 when p is 1;when B is ##STR4## n is 1; m is 2 or 3; A is selected from the following groups:--(CH.sub.2).sub.r --S--(CH.sub.2).sub.r --,--(CH.sub.2).sub.r --S--S--(CH.sub.2).sub.r --,--(CH.sub.2).sub.r --S--(CH.sub.2).sub.s --S--(CH.sub.2).sub.r -- and ##STR5## wherein r and s are an integer from 1 to 3; when B is ##STR6## n is 1; m is 2; A is selected from the following groups:--(CH.sub.2).sub.r --S--(CH.sub.2).sub.r --,--(CH.sub.2).sub.r --S--S--(CH.sub.2).sub.r -- and--(CH.sub.2).sub.r --S--(CH.sub.2).sub.s --S--(CH.sub.2).sub.r --wherein r and s are an integer from 1 to 3.
    • 下式(1)的含硫O-(甲基)丙烯酸酯化合物可用作用于光学应用如透镜的树脂组合物的起始材料; 其中R表示氢原子或甲基; l表示1〜3的整数, B是当B是n是2时; m为1或2; A选自以下基团:其中m表示1或2; 每个环可以被一个或多个具有1或2个碳原子的烷基,烷硫基或烷氧基取代; p和q为0或1,而当p为1时,m为1; 当B为n时; m为2或3; A选自以下基团: - (CH 2)r -S-(CH 2)r - , - (CH 2)r SS-(CH 2)r - , - (CH 2)r S-(CH 2)s S-(CH 2) r和s为1〜3的整数; 当B为n时; m为2; A选自以下基团: - (CH 2)r -S-(CH 2)r - , - (CH 2)r SS-(CH 2)r - 和 - (CH 2)r S-(CH 2)s S-(CH 2) s为1〜3的整数。
    • 5. 发明授权
    • Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof
    • 硫醇和含硫O-(甲基)丙烯酸酯化合物及其用途
    • US06265510B1
    • 2001-07-24
    • US09590015
    • 2000-06-09
    • Seiichi KobayashiNobuya KawauchiToshiyuki SuzukiMasao ImaiKenichi Fujii
    • Seiichi KobayashiNobuya KawauchiToshiyuki SuzukiMasao ImaiKenichi Fujii
    • C08F12602
    • C08F20/38C07C323/12C07C327/28C07C333/04C07D333/22G02B1/041C08L33/14
    • A sulfur-containing O-(meth)acrylate compound of the following formula (1) is useful as a starting material for a resin composition used in optical applications such as a lens; wherein R represents hydrogen atom or methyl group; 1 represents an integer from 1 to 3; B is when B is  n is 2; m is 1 or 2; A is selected from the following groups: wherein m represents 1 or 2; each ring may be substituted by one or more alkyl, alkylthio or alkoxy groups having 1 or 2 carbon atoms; p and q are 0 or 1, while m is 1 when p is 1; when B is  n is 1; m is 2 or 3; A is selected from the following groups: —(CH2)r—S—(CH2)r—, —(CH2)r—S—S—(CH2)r—, —(CH2)r—S—(CH2)s—S—(CH2)r— and wherein r and s are an integer from 1 to 3; when B is  n is 1; m is 2; A is selected from the following groups: —(CH2)r—S—(CH2)r—, —(CH2)r—S—S—(CH2)r— and —(CH2)r—S—(CH2)s—S—(CH2)r— wherein r and s are an integer from 1 to 3.
    • 下式(1)的含硫O-(甲基)丙烯酸酯化合物可用作用于光学应用如透镜的树脂组合物的起始原料;其中R表示氢原子或甲基; 1表示1〜3的整数, B是当B是n是2时; m为1或2; A选自以下基团:其中m表示1或2; 每个环可以被一个或多个具有1或2个碳原子的烷基,烷硫基或烷氧基取代; p和q为0或1,而当p为1时,m为1; B为n时为1; m为2或3; A选自以下基团: - (CH 2)r -S-(CH 2)r - , - (CH 2)r SS-(CH 2)r - , - (CH 2)r S-(CH 2)s S-(CH 2)r - s为1〜3的整数; B为n时为1; m为2; A选自以下基团: - (CH 2)r -S-(CH 2)r - , - (CH 2)r SS-(CH 2)r - 和 - (CH 2)r S-(CH 2)s S-(CH 2) s为1〜3的整数。
    • 7. 发明授权
    • Sulfur compound and use thereof
    • 硫化合物及其用途
    • US06570025B1
    • 2003-05-27
    • US10048002
    • 2002-01-25
    • Kenichi FujiiAtsuo OtsujiMasao ImaiKenichi SugimotoTadashi OkumaRihoko SuzukiKeisuke Takuma
    • Kenichi FujiiAtsuo OtsujiMasao ImaiKenichi SugimotoTadashi OkumaRihoko SuzukiKeisuke Takuma
    • C07D33906
    • C07D339/06C07D339/00C07D339/08C08F20/38
    • This invention provides sulfur-containing (meth)acrylic ester compounds each of which is represented by the following formula (1); wherein R1 and R2 each independently represent a hydrogen atom or an alkyl group or may be fused together to form a ring, R3 represents a hydrogen atom or a methyl group, X1 represents an oxygen atom or a sulfur atom, m stands for an integer of from 0 to 3, and n stands for an integer of from 1 to 4, polymerizable compositions comprising the sulfur-containing (meth)acrylic acids, and cured products and optical parts obtained by polymerizing the polymerizable compositions. The sulfur-containing (meth)acrylic ester compounds according to the present invention are very useful, as monomers for photocurable, polymerizable compositions, in applications such as optical materials and dental materials. The optical parts obtained by curing the polymerizable compositions are excellent in optical properties, thermal properties and mechanical properties and are also good in productivity.
    • 本发明提供了各自由下式(1)表示的含硫(甲基)丙烯酸酯化合物,其中R 1和R 2各自独立地表示氢原子或烷基,或者可以一起稠合形成环,R 3 表示氢原子或甲基,X1表示氧原子或硫原子,m表示0〜3的整数,n表示1〜4的整数,包含含硫( 甲基)丙烯酸,以及通过聚合可聚合组合物获得的固化产物和光学部件。 作为本发明的含硫(甲基)丙烯酸酯化合物,作为光固化性聚合性组合物的单体,在光学材料和牙科用材料等应用中是非常有用的。 通过固化可聚合组合物获得的光学部件的光学性能,热性能和机械性能优异,并且生产率也良好。