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    • 2. 发明授权
    • Spectacles lens and production method thereof
    • 眼镜镜片及其制作方法
    • US07473723B2
    • 2009-01-06
    • US10586641
    • 2005-01-19
    • Keizo IkariJiro Ariki
    • Keizo IkariJiro Ariki
    • C08K5/3417C08K5/1535
    • G02B1/041C08K5/1535C08K5/3435C08L69/00
    • A spectacles lens and an optical transparent molded article are provided that are formed from a polycarbonate resin composition comprising: (1) 100 parts by weight of polycarbonate resin (A), (2) 0.05 to 0.5 parts by weight of at least one ultraviolet absorber (B) selected from the group consisting of 2-(2′-hydroxy-5′-methylphenyl)benzotriazole (B-1) and 2-(2′-hydroxy-5′-tert-octylphenyl)benzotriazole (B-2), (3) 0.01 to 0.3 parts by weight of at least one ultraviolet absorber (C) selected from the group consisting of 2-(3-tert-butyl-5-methyl-2-hydroxyphenyl)-5-chlorobenzotriazole (C-1), 2,2′-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-(2H-benzotriazole) -2-ylphenol] (C-2) and 2-[2-hydroxy-3,5-bis(α,α-dimethylbenzyl)phenyl]-2H-benzotriazole (C-3), and (4) 0.0005 to 0.1 parts by weight of lactone compound having a specific structure.
    • 提供由聚碳酸酯树脂组合物形成的眼镜片和光学透明模制品,其包含:(1)100重量份的聚碳酸酯树脂(A),(2)0.05至0.5重量份的至少一种紫外线吸收剂 (B-2),2-(2'-羟基-5'-甲基苯基)苯并三唑(B-1)和2-(2'-羟基-5'-叔辛基苯基)苯并三唑(B-2) ,(3)0.01〜0.3重量份的选自2-(3-叔丁基-5-甲基-2-羟基苯基)-5-氯苯并三唑(C-1)的至少一种紫外线吸收剂(C) ),2,2'-亚甲基双[4-(1,1,3,3-四甲基丁基)-6-(2H-苯并三唑)-2-基苯酚](C-2)和2- [2-羟基-3, (α,α-二甲基苄基)苯基] -2H-苯并三唑(C-3)和(4)0.0005〜0.1重量份具有特定结构的内酯化合物。
    • 4. 发明申请
    • Spectacle lens
    • 眼镜镜片
    • US20070228587A1
    • 2007-10-04
    • US11597404
    • 2005-05-24
    • Keizo Ikari
    • Keizo Ikari
    • B29D11/00
    • C08K5/3475C08K5/103C08K5/49G02B1/041C08L69/00
    • There is provided a spectacle lens formed from a polycarbonate resin composition comprising, based on (1) 100 parts by weight of polycarbonate resin (component a), (2) 0.1 to 0.5 parts by weight of at least one ultraviolet absorber (component b) selected from the group consisting of 2,2′-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-(2 H-benzotriazole-2-yl)phenol] and 2-[2-hydroxy-3,5-bis(α,α-dimethylbenzyl)phenyl]-2H-benzotriazole, (3) 0.005 to 2 parts by weight of mold releasing agent (component c) which substantially comprises a full ester of an aliphatic tetrahydric to octahydric alcohol having 5 to 30 carbon atoms and an aliphatic carboxylic acid having 10 to 22 carbon atoms and which has an acid value of 4 to 20, and (4) 0.001 to 0.2 parts by weight of phosphorus-based stabilizer (component d). According to the present invention, there is provided a spectacle lens formed from a polycarbonate resin composition which has molding heat resistance in molding of the spectacle lens by injection molding or extrusion compression molding, especially, molding heat resistance which allows the composition to endure long-term high-temperature retention, shows a little change in hue even if a heat history is added and has good mold releasability. Further, according to the present invention, there is provided a spectacle lens which substantially does not allow ultraviolet radiation of 385 nm to penetrate therethrough and has high total light transmittance and excellent transparency.
    • 提供一种由聚碳酸酯树脂组合物形成的眼镜片,其包含:(1)100重量份的聚碳酸酯树脂(a成分),(2)0.1至0.5重量份的至少一种紫外线吸收剂(组分b) 选自2,2'-亚甲基双[4-(1,1,3,3-四甲基丁基)-6-(2H-苯并三唑-2-基)苯酚]和2- [2-羟基-3 ,5-双(α,α-二甲基苄基)苯基] -2H-苯并三唑,(3)0.005〜2重量份脱模剂(组分c),其基本上包含具有5个脂肪族四元醇与八元醇的全酯 至30个碳原子和具有10至22个碳原子并且酸值为4至20的脂族羧酸,和(4)0.001至0.2重量份的磷基稳定剂(组分d)。 根据本发明,提供一种由聚碳酸酯树脂组合物形成的眼镜片,该聚碳酸酯树脂组合物通过注射成型或挤出压缩成型而具有成型耐热性,特别是成型耐热性,其允许组合物耐久长寿, 即使添加了热历史并且具有良好的脱模性,色调也会稍微改变。 此外,根据本发明,提供了一种基本上不允许385nm的紫外线照射穿透其并具有高总透光率和优异透明度的眼镜镜片。
    • 5. 发明申请
    • Spectacles lens and production method thereof
    • 眼镜镜片及其制作方法
    • US20070155867A1
    • 2007-07-05
    • US10586641
    • 2005-01-19
    • Keizo IkariJiro Ariki
    • Keizo IkariJiro Ariki
    • C08K5/00C08K5/15
    • G02B1/041C08K5/1535C08K5/3435C08L69/00
    • A spectacles lens and an optical transparent molded article are provided that are formed from a polycarbonate resin composition comprising: (1) 100 parts by weight of polycarbonate resin (A), (2) 0.05 to 0.5 parts by weight of at least one ultraviolet absorber (B) selected from the group consisting of 2-(2′-hydroxy-5′-methylphenyl)benzotriazole (B-1) and 2-(2′-hydroxy-5′-tert-octylphenyl)benzotriazole (B-2), (3) 0.01 to 0.3 parts by weight of at least one ultraviolet absorber (C) selected from the group consisting of 2-(3-tert-butyl-5-methyl-2-hydroxyphenyl)-5-chlorobenzotriazole (C-1), 2,2′-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-(2H-benzotriazole)-2-ylphenol] (C-2) and 2-[2-hydroxy-3,5-bis(α,α-dimethylbenzyl)phenyl]-2H-benzotriazole (C-3), and (4) 0.0005 to 0.1 parts by weight of lactone compound having a specific structure.
    • 提供由聚碳酸酯树脂组合物形成的眼镜片和光学透明模制品,其包含:(1)100重量份的聚碳酸酯树脂(A),(2)0.05至0.5重量份的至少一种紫外线吸收剂 (B-2),2-(2'-羟基-5'-甲基苯基)苯并三唑(B-1)和2-(2'-羟基-5'-叔辛基苯基)苯并三唑(B-2) ,(3)0.01〜0.3重量份的选自2-(3-叔丁基-5-甲基-2-羟基苯基)-5-氯苯并三唑(C-1)的至少一种紫外线吸收剂(C) ),2,2'-亚甲基双[4-(1,1,3,3-四甲基丁基)-6-(2H-苯并三唑)-2-基苯酚](C-2)和2- [2-羟基-3, (α,α-二甲基苄基)苯基] -2H-苯并三唑(C-3)和(4)0.0005〜0.1重量份具有特定结构的内酯化合物。