Transparent articles prepared from thermoplastic compositions having low birefringence
    3.
    发明授权
    Transparent articles prepared from thermoplastic compositions having low birefringence 有权
    由具有低双折射率的热塑性组合物制备的透明制品

    公开(公告)号:US08064140B2

    公开(公告)日:2011-11-22

    申请号:US12879494

    申请日:2010-09-10

    IPC分类号: G02B3/00 G02B7/00

    摘要: An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155° C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.

    摘要翻译: 光学级制品包括热塑性组合物,其包含聚(脂肪族酯) - 聚碳酸酯共聚物,其包含10至25重量%的衍生自C20-44脂族二羧酸或其衍生物的软嵌段酯单元,34至77重量%的 衍生自2-烃基-3,3-双(4-羟基芳基)苯并嘧啶的碳酸酯单元,0至76重量%的衍生自与2-烃基-3,3-双(4- 羟基芳基)苯并二氮嘧啶,其中软嵌段酯单元,2-烃基-3,3-双(4-羟基芳基)苯二酰亚胺单元和二羟基芳族化合物单元的重量百分比为聚(脂族酯)单体单元的100重量% 聚碳酸酯,热塑性组合物的折射率大于1.590,聚(脂肪族酯) - 聚碳酸酯的玻璃化转变温度为120至155℃。相机透镜还包含聚(脂肪族酯) - 聚碳酸酯 。

    TRANSPARENT ARTICLES PREPARED FROM THERMOPLASTIC COMPOSITIONS HAVING LOW BIREFRINGENCE
    4.
    发明申请
    TRANSPARENT ARTICLES PREPARED FROM THERMOPLASTIC COMPOSITIONS HAVING LOW BIREFRINGENCE 有权
    具有低透光度的热塑性组合物制备的透明物品

    公开(公告)号:US20110071261A1

    公开(公告)日:2011-03-24

    申请号:US12879494

    申请日:2010-09-10

    IPC分类号: C08G63/91

    摘要: An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155° C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.

    摘要翻译: 光学级制品包括热塑性组合物,其包含聚(脂肪族酯) - 聚碳酸酯共聚物,其包含10至25重量%的衍生自C20-44脂族二羧酸或其衍生物的软嵌段酯单元,34至77重量%的 衍生自2-烃基-3,3-双(4-羟基芳基)苯并嘧啶的碳酸酯单元,0至76重量%的衍生自与2-烃基-3,3-双(4- 羟基芳基)苯并二氮嘧啶,其中软嵌段酯单元,2-烃基-3,3-双(4-羟基芳基)苯二酰亚胺单元和二羟基芳族化合物单元的重量百分比为聚(脂族酯)单体单元的100重量% 聚碳酸酯,热塑性组合物的折射率大于1.590,聚(脂肪族酯) - 聚碳酸酯的玻璃化转变温度为120至155℃。相机透镜还包含聚(脂肪族酯) - 聚碳酸酯 。