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    • 1. 发明授权
    • Contact lens material
    • 隐形眼镜材料
    • US5605942A
    • 1997-02-25
    • US583746
    • 1996-01-17
    • Haruyuki HirataniKazuhiko NakadaShoji IchinoheToshio YamazakiHideto Kato
    • Haruyuki HirataniKazuhiko NakadaShoji IchinoheToshio YamazakiHideto Kato
    • C08G73/10G02B1/04A61F2/16
    • C08G73/106C08G73/1039G02B1/043
    • A contact lens material comprising a condensation polymer having a recurring unit represented by the formula (I): ##STR1## wherein R.sup.1 is --C(CF.sub.3).sub.2 -- or ##STR2## R.sup.2 is a group represented by the formula: ##STR3## in which l is an integer of 1 to 3, m is an integer of 1 to 15 and n is an integer of 1 to 3, ##STR4## in which u is an integer of 1 to 3 and v is an integer of 1 to 3, a group represented by the formula (II): ##STR5## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same or different and each is hydrogen atom or an alkyl group having 1 to 5 carbon atoms, or a group represented by the formula (III): ##STR6## wherein R.sup.7 is --C(CF.sub.3).sub.2 --, ##STR7## or a direct bond, and R.sup.8 and R.sup.9 are the same or different and each is an alkyl group having 1 to 3 carbon atoms, a fluoroalkyl group having 1 to 3 carbon atoms, hydrogen atom, hydroxyl group or carboxyl group. The contact lens material is excellent in transparency, having high oxygen permeability and moreover, excellent in heat resistance, ultraviolet-ray absorbing property and forming and processing property.
    • 包含具有由式(I)表示的重复单元的缩聚物的隐形眼镜材料:其中R 1是-C(CF 3)2 - 或R 2是由下式表示的基团: IMAGE>其中l为1〜3的整数,m为1〜15的整数,n为1〜3的整数,< IMAGE>中,u为1〜3的整数,v为 1〜3,式(II)表示的基团:其中R 3,R 4,R 5和R 6相同或不同,各自为氢原子或碳原子数1〜5的烷基, 由式(III)表示的基团:其中R 7是-C(CF 3)2 - , - 或直接键,其中R 8和R 9相同或不同,并且各自为烷基 具有1至3个碳原子,具有1至3个碳原子的氟代烷基,氢原子,羟基或羧基。 隐形眼镜材料的透明度优异,透氧性高,耐热性,紫外线吸收性,成型加工性优异。
    • 5. 发明授权
    • Process for producing contact lens with hydrophilic surface and contact
lens obtained thereby
    • 用于制造具有亲水性表面的隐形眼镜和由此获得的隐形眼镜的方法
    • US6018001A
    • 2000-01-25
    • US155051
    • 1998-09-23
    • Haruyuki HirataniTatsutoshi Nakajima
    • Haruyuki HirataniTatsutoshi Nakajima
    • C08F212/14C08F220/22C08F220/30C08F230/08C08J7/12G02B1/04C08F8/12
    • G02B1/043C08F212/14C08F220/22C08F220/30C08F230/08C08J7/12
    • A process for producing a contact lens having a hydrophilic surface comprising subjecting a contact lens material comprising a copolymer prepared by copolymerizing a monomer mixture containing a polymerizable monomer (A) which is at least one member selected from a sugar ketal-containing (meth)acrylate and a sugar glycerol ketal-containing (meth)acrylate, and a polymerizable monomer (B) which is copolymerizable with the polymerizable monomer (A) to acid treatment, wherein the polymerizable monomer (B) contains a hydrophobic monomer which is at least one member selected from a silicon-containing monomer, a fluorine-containing monomer and a silicon- and fluorine-containing monomer, and a contact lens which has high oxygen permeability and of which surface shows stably excellent hydrophilic property and which is excellent in deposit resistance at the same time.
    • PCT No.PCT / JP98 / 00153 Sec。 371日期:1998年9月23日 102(e)1998年9月23日PCT 1998年1月19日PCT PCT。 第WO98 / 33089号公报 日本1998年7月30日一种具有亲水性表面的隐形眼镜的制造方法,其特征在于,使包含通过使含有聚合性单体(A)的单体混合物共聚而成的共聚物接触,所述聚合性单体(A)为选自糖缩酮 - 含有(甲基)丙烯酸酯和含糖甘油缩酮的(甲基)丙烯酸酯的聚合性单体(B)与可聚合单体(A)可共聚的可聚合单体(B)进行酸处理,其中可聚合单体(B) 是选自含硅单体,含氟单体和含硅和氟的单体中的至少一种,和具有高透氧性并且其表面显示出稳定优异的亲水性的隐形眼镜,并且其优异 同时存在抵押。