JP2012118325A5 - - Google Patents

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Publication number
JP2012118325A5
JP2012118325A5 JP2010268376A JP2010268376A JP2012118325A5 JP 2012118325 A5 JP2012118325 A5 JP 2012118325A5 JP 2010268376 A JP2010268376 A JP 2010268376A JP 2010268376 A JP2010268376 A JP 2010268376A JP 2012118325 A5 JP2012118325 A5 JP 2012118325A5
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JP
Japan
Prior art keywords
spectacle lens
polycarbonate resin
lens according
resin composition
molding
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JP2010268376A
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Japanese (ja)
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JP5620240B2 (en
JP2012118325A (en
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Priority to JP2010268376A priority Critical patent/JP5620240B2/en
Priority claimed from JP2010268376A external-priority patent/JP5620240B2/en
Priority to PCT/JP2011/078009 priority patent/WO2012074125A1/en
Priority to TW100143878A priority patent/TW201237501A/en
Publication of JP2012118325A publication Critical patent/JP2012118325A/en
Publication of JP2012118325A5 publication Critical patent/JP2012118325A5/ja
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Publication of JP5620240B2 publication Critical patent/JP5620240B2/en
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Claims (10)

（１）総塩素量５００ｐｐｍ以下のポリカーボネート樹脂１００重量部に対し、（２）スチレンとグリシジルメタクリレートの共重合体であるエポキシ化合物０．００３〜０．２重量部、（３）脂肪酸エステル系離型剤０．０５〜０．５重量部、（４）ヒンダードフェノール酸化防止剤０．０１〜０．３重量部、（５）ベンゾトリアゾール骨格を有する紫外線安定剤０．１〜０．４重量部、および（６）リン系熱安定剤０．００５〜０．１重量部を含有するポリカーボネート樹脂組成物より成形された眼鏡レンズ。   (1) With respect to 100 parts by weight of a polycarbonate resin having a total chlorine content of 500 ppm or less, (2) 0.003 to 0.2 parts by weight of an epoxy compound that is a copolymer of styrene and glycidyl methacrylate, (3) fatty acid ester release 0.05 to 0.5 parts by weight of the agent, (4) 0.01 to 0.3 parts by weight of the hindered phenol antioxidant, and (5) 0.1 to 0.4 parts by weight of the UV stabilizer having a benzotriazole skeleton. And (6) a spectacle lens molded from a polycarbonate resin composition containing 0.005 to 0.1 parts by weight of a phosphorous heat stabilizer. 脂肪酸エステル系離型剤は、一価アルコールと飽和脂肪酸とのエステルおよびグリセリンと飽和脂肪酸とのトリエステルの混合物である請求項１記載の眼鏡レンズ。   The spectacle lens according to claim 1, wherein the fatty acid ester release agent is a mixture of an ester of a monohydric alcohol and a saturated fatty acid and a triester of glycerin and a saturated fatty acid. 脂肪酸エステル系離型剤は、ペンタエリスリトールと飽和脂肪酸とのフルエステルである請求項１記載の眼鏡レンズ。 Fatty acid ester-based release agents, spectacle lenses according to claim 1, wherein the full esters of pentaerythritol with saturated fatty acids. ヒンダードフェノール系酸化防止剤は、ペンタエリスリトール骨格を有するヒンダードフェノール系酸化防止剤である請求項１記載の眼鏡レンズ。   The spectacle lens according to claim 1, wherein the hindered phenol-based antioxidant is a hindered phenol-based antioxidant having a pentaerythritol skeleton. ベンゾトリアゾール骨格を有する紫外線吸収剤は、２−（２’−ヒドロキシ−５’−ｔｅｒｔ−オクチルフェニル）ベンゾトリアゾールである請求項１記載の眼鏡レンズ。   The spectacle lens according to claim 1, wherein the ultraviolet absorber having a benzotriazole skeleton is 2- (2'-hydroxy-5'-tert-octylphenyl) benzotriazole. ベンゾトリアゾール骨格を有する紫外線吸収剤は、２，２’−メチレンビス［４−（１，１，３，３−テトラメチルブチル）−６−（２Ｈ−ベンゾトリアゾール−２−イル）フェノール］である請求項１記載の眼鏡レンズ。   The ultraviolet absorber having a benzotriazole skeleton is 2,2′-methylenebis [4- (1,1,3,3-tetramethylbutyl) -6- (2H-benzotriazol-2-yl) phenol]. Item 5. A spectacle lens according to Item 1. リン系熱安定剤は、２，４−ジ−ｔｅｒｔ−ブチルフェニル骨格を有するリン系熱安定剤である請求項１記載の眼鏡レンズ。   The spectacle lens according to claim 1, wherein the phosphorus-based heat stabilizer is a phosphorus-based heat stabilizer having a 2,4-di-tert-butylphenyl skeleton. ポリカーボネート樹脂組成物は、該ポリカーボネート樹脂組成物を二軸押出機で成形して得られたペレットの総塩素量が５０ｐｐｍ以下である請求項１記載の眼鏡レンズ。   The spectacle lens according to claim 1, wherein the polycarbonate resin composition has a total chlorine content of 50 ppm or less in pellets obtained by molding the polycarbonate resin composition with a twin screw extruder. ポリカーボネート樹脂組成物は、該ポリカーボネート樹脂組成物を二軸押出機で成形して得られたペレットを、単軸押出機にて２８０℃で連続して２回の再押出成形して得られたペレットの色相変化（ΔＥ）が２．５以下である請求項１記載の眼鏡レンズ。
ΔＥ＝｛（ΔＬ）２＋（Δａ）２＋（Δｂ）２｝１／２
「二軸押出機で成形して得られたペレット（バージンペレット）」の色相：Ｌ、ａ、 ｂ
「単軸押出機にて再押出成形して得られたペレット（リペレット）」の色相：Ｌ’、ａ’、ｂ’
ΔＬ：Ｌ−Ｌ’
Δａ：ａ−ａ’
Δｂ：ｂ−ｂ’ The polycarbonate resin composition was obtained by re-extruding pellets obtained by molding the polycarbonate resin composition with a twin-screw extruder twice at 280 ° C. continuously with a single-screw extruder. The spectacle lens according to claim 1, wherein a hue change (ΔE) of the lens is 2.5 or less.
ΔE = {(ΔL) 2 + (Δa) 2 + (Δb) 2 } 1/2
Hue of “pellets (virgin pellets) obtained by molding with a twin screw extruder”: L, a, b
Hue of “pellets (repellets) obtained by reextrusion molding with a single screw extruder”: L ′, a ′, b ′
ΔL: LL ′
Δa: aa ′
Δb: bb ′ ポリカーボネート樹脂組成物は、該ポリカーボネート樹脂組成物を二軸押出機で成形して得られたペレットを、射出成形機にてシリンダー温度３００℃、金型温度１０５℃、１分サイクルで成形して得られた５ｍｍ厚成形板５０枚のＹＩ値の最大値と最小値の差が０．１５以下である請求項１記載の眼鏡レンズ。   The polycarbonate resin composition is obtained by molding pellets obtained by molding the polycarbonate resin composition with a twin screw extruder at a cylinder temperature of 300 ° C., a mold temperature of 105 ° C., and a 1 minute cycle. The spectacle lens according to claim 1, wherein the difference between the maximum value and the minimum value of the YI values of the 50 molded 5 mm-thick plates is 0.15 or less.
JP2010268376A 2010-12-01 2010-12-01 Eyeglass lenses Active JP5620240B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010268376A JP5620240B2 (en) 2010-12-01 2010-12-01 Eyeglass lenses
PCT/JP2011/078009 WO2012074125A1 (en) 2010-12-01 2011-11-29 Eyeglasses lens
TW100143878A TW201237501A (en) 2010-12-01 2011-11-30 Eyeglasses lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010268376A JP5620240B2 (en) 2010-12-01 2010-12-01 Eyeglass lenses

Publications (3)

Publication Number Publication Date
JP2012118325A JP2012118325A (en) 2012-06-21
JP2012118325A5 true JP2012118325A5 (en) 2013-10-31
JP5620240B2 JP5620240B2 (en) 2014-11-05

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015189905A (en) * 2014-03-28 2015-11-02 三菱瓦斯化学株式会社 aromatic polycarbonate resin composition
JP6346077B2 (en) * 2014-12-01 2018-06-20 帝人株式会社 Antistatic polycarbonate resin composition having light diffusibility
JP2016108389A (en) * 2014-12-03 2016-06-20 帝人株式会社 Light diffusing polycarbonate resin composition
JP7077049B2 (en) * 2018-02-14 2022-05-30 三菱エンジニアリングプラスチックス株式会社 Polycarbonate resin composition
US20210206915A1 (en) * 2018-06-04 2021-07-08 Sabic Global Technologies B.V. Transparent branched polycarbonate
DE102019200905A1 (en) * 2019-01-24 2020-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Process for stabilizing halogen-free thermoplastic recycled plastics, plastic composition, stabilizer composition and use of the stabilizer composition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6081245A (en) * 1983-10-13 1985-05-09 Idemitsu Petrochem Co Ltd Polycarbonate resin composition
JP2579653B2 (en) * 1987-12-04 1997-02-05 三菱化学株式会社 Optical molding materials
JPH05239332A (en) * 1992-02-27 1993-09-17 Nippon G Ii Plast Kk Production of polycarbonate resin composition and its use
JP4799126B2 (en) * 2004-11-05 2011-10-26 帝人化成株式会社 Eyeglass lenses and polycarbonate resin molding materials for eyeglass lenses

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