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    • 4. 发明授权
    • Molding material for blu-ray disc substrate and molding material for HD digital versatile disc substrate
    • 用于蓝光盘基片的成型材料和用于HD数字通用盘基片的成型材料
    • US08133564B2
    • 2012-03-13
    • US12281708
    • 2007-03-07
    • Masahiro Kitayama
    • Masahiro Kitayama
    • B32B3/02
    • C08L69/00C08K5/005C08K5/103G11B7/2534Y10T428/21
    • Provided are: a molding material for a Blu-ray Disc substrate or an HD DVD substrates which is reduced in the occurrence of appearance failures and can realize a stable yield; and a method of producing the molding material. The molding material for a Blu-ray Disc substrate or an HD DVD substrate includes: an aromatic PC resin produced by an interfacial method (A); 150 to 350 ppm (in terms of mass ppm of a total amount of the molding material, the same applies hereinafter) of fatty acid monoglyceride having 14 to 30 carbon atoms (B); 10 to 150 ppm of PETS (C); and 30 to 120 ppm of antioxidant (D). The method of producing the molding material includes: introducing the component (A) into an extruder together with, with respect to the amount of the component (A), 150 to 350 ppm of fatty acid monoglyceride having 14 to 30 carbon atoms (B), 10 to 150 ppm of PETS (C), 30 to 120 ppm of antioxidant (D), and 500 to 1,000 ppm of water (E) having an electrical conductivity of 1 μS/cm or less at 25° C., each amount being ppm of the ingredient (A) such that the water content of the PC resin in the extruder is adjusted to 500 to 1,300 ppm; producing a strand from the mixture by melt extrusion molding; cooling the strand; and cutting the strand into pellets.
    • 提供:用于蓝光盘基板的成型材料或HD DVD基板,其在出现故障的情况下减少并且可以实现稳定的产量; 以及制造成型材料的方法。 用于蓝光盘基片或HD DVD基片的成型材料包括:通过界面方法(A)制备的芳族PC树脂; 150〜350ppm(以成形材料总量的质量ppm计,以下相同)碳原子数为14〜30的脂肪酸单甘油酯(B); 10〜150ppm的PETS(C); 和30〜120ppm的抗氧化剂(D)。 制造模塑材料的方法包括:相对于组分(A)的量,将组分(A)引入挤出机中,150至350ppm的具有14至30个碳原子的脂肪酸单甘油酯(B) ,25℃时的电导率为1μS/ cm以下的10〜150ppm的PETS(C),30〜120ppm的抗氧化剂(D)和500〜1000ppm的水(E) 是成分(A)的ppm,使得挤出机中PC树脂的含水量调节至500至1300ppm; 通过熔融挤出成型从混合物中产生绞合线; 冷却链条; 并将线切割成颗粒。
    • 10. 发明申请
    • Molding Material for Blu-Ray Disc Substrate and Molding Material for Hd Digital Versatile Disc Substrate
    • 用于蓝光盘基片的成型材料和用于Hd数字通用盘基片的成型材料
    • US20090011170A1
    • 2009-01-08
    • US12281708
    • 2007-03-07
    • Masahiro Kitayama
    • Masahiro Kitayama
    • B32B3/02B29B9/06C08K5/101
    • C08L69/00C08K5/005C08K5/103G11B7/2534Y10T428/21
    • Provided are: a molding material for a Blu-ray Disc substrate or an HD DVD substrates which is reduced in the occurrence of appearance failures and can realize a stable yield; and a method of producing the molding material. The molding material for a Blu-ray Disc substrate or an HD DVD substrate includes: an aromatic PC resin produced by an interfacial method (A); 150 to 350 ppm (in terms of mass ppm of a total amount of the molding material, the same applies hereinafter) of fatty acid monoglyceride having 14 to 30 carbon atoms (B); 10 to 150 ppm of PETS (C); and 30 to 120 ppm of antioxidant (D). The method of producing the molding material includes: introducing the component (A) into an extruder together with, with respect to the amount of the component (A), 150 to 350 ppm of fatty acid monoglyceride having 14 to 30 carbon atoms (B), 10 to 150 ppm of PETS (C), 30 to 120 ppm of antioxidant (D), and 500 to 1,000 ppm of water (E) having an electrical conductivity of 1 μS/cm or less at 25° C., each amount being ppm of the ingredient (A) such that the water content of the PC resin in the extruder is adjusted to 500 to 1,300 ppm; producing a strand from the mixture by melt extrusion molding; cooling the strand; and cutting the strand into pellets.
    • 提供:用于蓝光盘基板的成型材料或HD DVD基板,其在出现故障的情况下减少并且可以实现稳定的产量; 以及制造成型材料的方法。 用于蓝光盘基片或HD DVD基片的成型材料包括:通过界面方法(A)制备的芳族PC树脂; 150〜350ppm(以成形材料总量的质量ppm计,以下相同)碳原子数为14〜30的脂肪酸单甘油酯(B); 10〜150ppm的PETS(C); 和30〜120ppm的抗氧化剂(D)。 制造模塑材料的方法包括:相对于组分(A)的量,将组分(A)引入挤出机中,150至350ppm的具有14至30个碳原子的脂肪酸单甘油酯(B) ,25℃时的电导率为1μS/ cm以下的10〜150ppm的PETS(C),30〜120ppm的抗氧化剂(D)和500〜1000ppm的水(E) 是成分(A)的ppm,使得挤出机中PC树脂的含水量调节至500至1300ppm; 通过熔融挤出成型从混合物中产生绞合线; 冷却链条; 并将线切割成颗粒。