Melt-stable, pigmented polycarbonate composition
    1.
    发明授权
    Melt-stable, pigmented polycarbonate composition 失效
    熔融稳定的着色聚碳酸酯组合物

    公开(公告)号:US5405892A

    公开(公告)日:1995-04-11

    申请号:US263702

    申请日:1994-06-22

    IPC分类号: C08K5/5435 C08K5/15

    CPC分类号: C08K5/5435

    摘要: A melt-stable, pigmented thermoplastic molding composition is disclosed. Accordingly, to the composition which contains polycarbonate resin and pigment there is imparted an improved level of melt stability upon the incorporation therewith of an additive amount of a melt stabilizer conforming to ##STR1## where R.sub.1, R.sub.2, R.sub.3 and n are defined. In an additional embodiment the invention relates to a color concentrate containing polycarbonate resin, up to 30% of a pigment and an effective amount of said stabilizer.

    摘要翻译: 公开了一种熔融稳定的着色热塑性模塑组合物。 因此,对于含有聚碳酸酯树脂和颜料的组合物,在加入其中定义符合R 1,R 2,R 3和n的添加量的符合“IMAGE”的熔体稳定剂的情况下,赋予了改善的熔体稳定性水平。 在另一个实施方案中,本发明涉及含有聚碳酸酯树脂的颜色浓缩物,高达30%的颜料和有效量的所述稳定剂。

    Polycarbonate compositions having improved release properties
    2.
    发明授权
    Polycarbonate compositions having improved release properties 失效
    具有改进的脱模性能的聚碳酸酯组合物

    公开(公告)号:US5705546A

    公开(公告)日:1998-01-06

    申请号:US662572

    申请日:1996-06-13

    IPC分类号: C08K5/1515 C08L69/00 C08K5/15

    CPC分类号: C08K5/1515 C08L69/00

    摘要: A thermoplastic molding composition having improved release properties is disclosed. The composition contains a polycarbonate and an additive amount of an epoxy conforming structurally to ##STR1## where R is a member selected from the group consisting of glyceryl and trimethyl propyl radicals, x is 0 to 20 and R' is a C.sub.1-4 alkyl radical.

    摘要翻译: 公开了具有改进的脱模性能的热塑性模塑组合物。 组合物含有聚碳酸酯和结构上符合的环氧树脂的添加量,其中R是选自甘油基和三甲基丙基的成员,x是0至20,R'是C 1-4烷基 。

    Hydrolysis-stable polycarbonate molding composition
    3.
    发明授权
    Hydrolysis-stable polycarbonate molding composition 失效
    水解稳定的聚碳酸酯模塑组合物

    公开(公告)号:US06107375A

    公开(公告)日:2000-08-22

    申请号:US168778

    申请日:1998-10-08

    CPC分类号: C08L69/00 C08K5/52

    摘要: A thermoplastic composition featuring an improved resistance to hydrolysis is disclosed. The composition comprises (i) thermoplastic polycarbonate resin (ii) about 0.01 to 3 percent of a compound selected from the group consisting of phosphite and phosphonite and (iii) an additive amount of an oligomer or polymer the structure of which features at least one pendant cyclic iminoether group per molecular chain. The additive amount is that which is sufficient to improve the resistance of the polycarbonate resin to hydrolysis.

    摘要翻译: 公开了具有改进的抗水解性的热塑性组合物。 组合物包含(i)热塑性聚碳酸酯树脂(ii)约0.01%至3%的选自亚磷酸盐和亚膦酸盐的化合物和(iii)其结构的至少一种侧链的添加量的低聚物或聚合物 环状亚氨基醚基团。 添加量足以提高聚碳酸酯树脂的水解性。

    Photochromic ophthalmic lens
    4.
    发明授权
    Photochromic ophthalmic lens 失效
    光致变色眼镜

    公开(公告)号:US6065836A

    公开(公告)日:2000-05-23

    申请号:US126405

    申请日:1998-07-30

    CPC分类号: G02B5/23 C08L69/00 C08L69/005

    摘要: A photochromic ophthalmic lens and a process for its preparation are disclosed. The lens comprise a substantially transparent substrate having a lenticular shape and, at least one film adhering to at least one surface of said substrate. The film contains a resinous blend of polycarbonate resin, and poycaprolactone and an effective amount of a photochromic dye selected from a group consisting of spiropyrans, spiroxazines, fulgides and fulgimides. In an additional embodiment the film contains a copoly(carbonate-lactone) block or random copolymer.

    摘要翻译: 公开了一种光致变色眼科镜片及其制备方法。 透镜包括具有双凸透镜形状的基本上透明的基底,并且至少一个膜附着在所述基底的至少一个表面上。 该膜含有聚碳酸酯树脂和己内酯与有效量的选自螺吡喃,螺噻嗪,吡啶类和富酰嘧啶的光致变色染料的树脂共混物。 在另外的实施方案中,该膜含有共聚(碳酸酯 - 内酯)嵌段或无规共聚物。

    Polycarbonate composition resistant to gamma radiation
    6.
    发明授权
    Polycarbonate composition resistant to gamma radiation 失效
    耐γ辐射的聚碳酸酯组合物

    公开(公告)号:US06197853B1

    公开(公告)日:2001-03-06

    申请号:US09346238

    申请日:1999-07-01

    IPC分类号: C08K515

    CPC分类号: C08K5/1565 C08L69/00

    摘要: A thermoplastic polycarbonate molding composition having improved resistance to gamma radiation-induced yellowing is disclosed. Particularly suitable for the manufacture of devices geared for medical applications, the composition contains an additive amount of a stabilizing compound conforming structurally to where R1 denotes a C1-30-alkyl group and R2 denotes an aryl radical.

    摘要翻译: 公开了具有改进的抗γ辐射诱导黄变性的热塑性聚碳酸酯模塑组合物。 该组合物特别适合用于医疗应用的装置的制造,该组合物含有结构上符合结构的添加量的稳定化合物,其中R1表示C1-30烷基,R2表示芳基。

    Polycarbonate compositions having mold-release properties
    9.
    发明授权
    Polycarbonate compositions having mold-release properties 失效
    具有脱模性能的聚碳酸酯组合物

    公开(公告)号:US5596034A

    公开(公告)日:1997-01-21

    申请号:US524820

    申请日:1995-09-07

    CPC分类号: C07C69/675 C08K5/103

    摘要: A thermoplastic molding composition having improved release properties is disclosed. The composition contains a polycarbonate resin and a mold release agent which is an ester conforming structurally to ##STR1## where R is a member selected from the group consisting of glyceryl, trimethylol propyl and pentaerythrityl radicals, m is 2 to 4, R' is a C.sub.8-20 hydrocarbon radical having a pendant alkyl group, and R" is the esterification residue of a C.sub.1-24 aliphatic or an aromatic carboxylic acid.

    摘要翻译: 公开了具有改进的脱模性能的热塑性模塑组合物。 该组合物含有聚碳酸酯树脂和脱模剂,其是在结构上与R [OCOR'OCOR“] m一致的酯,其中R是选自甘油基,三羟甲基丙基和季戊四烯基的成员,m是2至 4,R'是具有烷基侧基的C8-20烃基,R“是C1-24脂肪族或芳香族羧酸的酯化残基。

    Melt-stable pigmented polycarbonate molding composition
    10.
    发明授权
    Melt-stable pigmented polycarbonate molding composition 失效
    熔融稳定着色聚碳酸酯模塑组合物

    公开(公告)号:US6153685A

    公开(公告)日:2000-11-28

    申请号:US158859

    申请日:1998-09-23

    CPC分类号: C08L69/00 C08L25/08

    摘要: A thermoplastic composition featuring an improved resistance to thermally induced resin degradation is disclosed. The composition comprises (i) thermoplastic polycarbonate resin (ii) about 3 to 20 percent, relative to the total weight of (i) and (ii), of titanium dioxide, and (iii) an oligomer or polymer the structure of which features at least one pendant cyclic iminoether group per molecular chain. The amount of (iii) is that which is sufficient to improve the resistance of the composition to thermal degradation.

    摘要翻译: 公开了一种具有改进的抗热诱导树脂降解性的热塑性组合物。 组合物包含(i)热塑性聚碳酸酯树脂(ii)相对于(i)和(ii)的总重量为约3至20重量%的二氧化钛,和(iii)低聚物或聚合物,其结构特征在 每个分子链中至少有一个侧链环亚胺醚基团。 (iii)的量是足以提高组合物对热降解的阻力的量。