申请人:Menicon Co., Ltd.
公开号:EP0379146A2
公开(公告)日:1990-07-25
A soft ocular lens material made of a copolymer consisting essentially of:
(A) from 5 to 70 parts by weight of a fluorine-containing (meth)acrylate;
(B) from 5 to 60 parts by weight of an alkyl (meth)acrylate;
(C) from 3 to 45 parts by weight of a polysiloxane macromonomer having polymerizable groups at both terminals, of the formula I:
wherein each of Y¹¹ and Y¹² independently represents an acryloyl group, a methacryloyl group, a vinyl group or an allyl group; each of X¹¹ and X¹² independently represents a covalent bond, an oxygen atom or an alkylene glycol group; each of R¹¹ and R¹² independently represents a linear or branched alkylene group having from 1 to 6 carbon atoms; each of R¹³, R¹⁴, R¹⁵, R¹⁶, R¹⁷ and R¹⁸ independently represents an alkyl group having from 1 to 3 carbon atoms or a phenyl group; i is an integer of from 1 to 1500; and j is an integer of from 0 to 1499 (provided that i+j is at most 1500); and
(D) from 3 to 40 parts by weight of a polysiloxane macromonomer having polymerizable groups bonded via one or two urethane bonds to the siloxane main chain, of the formula II:
wherein each of Y²¹ and Y²² independently represents a group selected from the group consisting of an acryloyloxy group, a methacryloyloxy group, a vinyl group and an allyl group; each of R³¹ and R³⁴ independently represents a linear or branched alkylene group having from 2 to 6 carbon atoms; each of X²¹ and X²² independently represents a covalent bond, an oxygen atom or an alkylene glycol group; each of R³² and R³³ independently represents a linear or branched alkylene group having from 1 to 6 carbon atoms; each of R²³, R²⁴, R²⁵, R²⁶, R²⁷ and R²⁸ independently represents an alkyl group having from 1 to 3 carbon atoms or a phenyl group; each of E²¹ and E²² independently represents -NHCO- (provided that in this case, each of X²¹ and X²² is a covalent bond, E²¹ forms a urethane bond together with X²⁵, and E²² forms a urethane bond together with X²⁶) or a bivalent group derived from a diisocyanate selected from the group consisting of saturated aliphatic, alicyclic and aromatic diisocyanates (provided that in this case, each of X²¹ and X²² independently represents an oxygen atom or an alkylene glycol group, E²¹ forms a urethane bond together With X²¹ and X²⁵, and E²² forms a urethane bond together with X²² and X²⁶); each of X²⁵ and X²⁶ independently represents an oxygen atom, an alkylene glycol or a group represented by the formula V:
wherein R⁴¹ is a trivalent hydrocarbon group having from 1 to 6 carbon atoms; Y²³ represents a group selected from the group consisting of an acryloyloxy group, a methacryloyloxy group, a vinyl group and a allyl group; R³⁶ represents a linear or branched alkylene group having from 2 to 6 carbon atoms; X²³ represents a covalent bond, an oxygen atom or an alkylene glycol group; E²³ represents -NHCO- (provided that in this case, X²³ is a covalent bond) or a bivalent group derived from a diisocyanate selected from the group consisting of saturated aliphatic, alicyclic and aromatic diisocyanates (provided that in this case, X²³ is an oxygen atom or an alkylene glycol group), which forms a urethane bond together with X²³ and the adjacent oxygen atom bonded to R⁴¹; a is an integer of from 1 to 1500; and b is an integer of from 0 to 1499, provided a+b ≦ 1500;
as essential copolymer components.
一种由共聚物制成的软性眼透镜材料,其主要成分包括
(A) 5 至 70 份(重量)含氟(甲基)丙烯酸酯;
(B) 5 至 60 份(按重量计)烷基(甲基)丙烯酸酯;
(C) 3 至 45 份(按重量计)在两端具有可聚合基团的聚硅氧烷大单体,其式为 I:
其中 Y¹¹ 和 Y¹² 各自独立地代表丙烯酰基、甲基丙烯酰基、乙烯基或烯丙基; X¹¹ 和 X¹² 各自独立地代表共价键、氧原子或亚烷基二醇基; R¹¹ 和 R¹² 各自独立地代表具有 1 至 6 个碳原子的直链或支链亚烷基;R¹³、R¹⁴、R¹⁵、R¹⁶、R¹⁷ 和 R¹⁸ 各自独立地代表具有 1 至 3 个碳原子的烷基或苯基; i 是 1 至 1500 的整数;和 j 是 0 至 1499 的整数(条件是 i+j 至多为 1500);和
(D) 3 至 40 份(重量)的聚硅氧烷大单体,其可聚合基团通过一个或两个 聚氨酯键与硅氧烷主链结合,如式 II 所示:
其中 Y²¹ 和 Y²² 各自独立地代表选自丙烯酰氧基、甲基丙烯酰氧基、乙烯基和烯丙基的基团; R³¹ 和 R³⁴ 各自独立地代表具有 2 至 6 个碳原子的直链或支链亚烷基;X²¹和X²²各自独立地代表共价键、氧原子或烯二醇基团;R³²和R³³各自独立地代表具有1至6个碳原子的直链或支链亚烷基;R²³、R²⁴、R²⁵、R²⁶、R²⁷和R²⁸各自独立地代表具有1至3个碳原子的烷基或苯基;E²¹ 和 E²² 中的每一个独立地代表-NHCO-(条件是在这种情况下,X²¹ 和 X²² 中的每一个是共价键,E²¹ 与 X²⁵ 一起形成氨基甲酸乙酯键,E²² 与 X²⁶ 一起形成氨基甲酸乙酯键)或衍生自二异氰酸酯的二价基团,该二异氰酸酯选自由饱和脂肪族、脂环族和芳香族二异氰酸酯组成的组、或衍生自二异氰酸酯的二价基团,该二异氰酸酯选自饱和脂肪族、脂环族和芳香族二异氰酸酯(条件是在这种情况下,X²¹ 和 X²² 各自独立地代表氧原子或亚烷基二醇基团,E²¹ 与 X²¹ 和 X²⁵ 形成氨基甲酸乙酯键,E²² 与 X²² 和 X²⁶ 形成氨基甲酸乙酯键);X²⁵ 和 X²⁶ 各自独立地代表氧原子、亚烷基二醇或式 V 所代表的基团:
其中 R⁴¹ 是具有 1 至 6 个碳原子的三价烃基;Y²³ 代表选自丙烯酰氧基、甲基丙烯酰氧基、乙烯基和烯丙基的基团;R³⁶ 代表具有 2 至 6 个碳原子的直链或支链亚烷基;X²³ 代表共价键、氧原子或亚烷基二醇基团;E²³代表-NHCO-(条件是在这种情况下,X²³是共价键)或二异氰酸酯衍生的二价基团,该二异氰酸酯选自饱和脂肪族、脂环族和芳香族二异氰酸酯(条件是在这种情况下,X²³是氧原子或亚烷基二醇基)组成的组,它与 X²³和与 R⁴¹ 结合的相邻氧原子一起形成氨基甲酸酯键;a 是 1 至 1500 的整数;b 是 0 至 1499 的整数,条件是 a+b ≦ 1500;
作为共聚物的基本成分。