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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。
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2.发明授权Thermoplastic composition suitable for optical applications having low haze values 失效适用于具有低雾度值的光学应用的热塑性组合物
公开(公告)号：US06103777A
公开(公告)日：2000-08-15
申请号：US215497
申请日：1998-12-18
IPC分类号： G02C7/04 , C08K5/3477 , C08K5/3492 , C08L67/04 , C08L69/00 , G02B1/04 , G02C7/10 , A61K31/135
CPC分类号： C08K5/34922 , C08L69/00 , G02B1/041
摘要： A thermoplastic molding composition having low haze values, suitable for optical applications is disclosed. The compositions contains a resinous component selected from the group consisting of (i) a homogeneous blend of polycarbonate resin and polycaprolactone and (ii) a copoly(carbonate-lactone) block or random copolymer, and melanin in an amount of 0.1 to 1.0 parts per hundred parts of weight of the resinous component.
摘要翻译： 公开了一种适用于光学应用的具有低雾度值的热塑性模塑组合物。 所述组合物含有选自（i）聚碳酸酯树脂和聚己内酯的均匀共混物和（ii）共聚（碳酸酯 - 内酯）嵌段或无规共聚物的共混物的树脂组分，和每100份 树脂成分重量百份。
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公开(公告)号：US6069225A
公开(公告)日：2000-05-30
申请号：US270860
申请日：1999-03-17
IPC分类号： C08K5/103 , C08K5/1535 , C08G64/00
CPC分类号： C08K5/103 , C08K5/1535
摘要： A thermoplastic polycarbonate composition suitable for the preparation of optical storage devices, for instance optical discs, is disclosed. The composition, containing a stabilizing amount of partially fatty acid ester and as a stabilizer, a compound the structure of which contains at least one benzofuran-2-one group per molecule, features improved resistance to yellowing, reduced haze and high total light transmission values.
摘要翻译： 公开了一种适于制备光存储装置（例如光盘）的热塑性聚碳酸酯组合物。 包含稳定量的部分脂肪酸酯和作为稳定剂的组合物，其结构每分子含有至少一个苯并呋喃-2-酮基的化合物具有改善的耐黄变性，降低的雾度和高总的光透射率值 。
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公开(公告)号：US5596034A
公开(公告)日：1997-01-21
申请号：US524820
申请日：1995-09-07
IPC分类号： C07C69/675 , C08K5/103 , C08K5/10 , C07C67/00
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。
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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。
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公开(公告)号：US5705546A
公开(公告)日：1998-01-06
申请号：US662572
申请日：1996-06-13
申请人： Sivaram Krishnan , James B. Johnson
发明人： Sivaram Krishnan , James B. Johnson
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 。 -
公开(公告)号：US06107375A
公开(公告)日：2000-08-22
申请号：US168778
申请日：1998-10-08
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。
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公开(公告)号：US6065836A
公开(公告)日：2000-05-23
申请号：US126405
申请日：1998-07-30
IPC分类号： G02C7/10 , C08K5/1535 , C08K5/1545 , C08K5/35 , C08L69/00 , C09B19/00 , C09B57/00 , C09K9/02 , G02B1/04 , G02B5/23
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。
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公开(公告)号：US6008280A
公开(公告)日：1999-12-28
申请号：US975477
申请日：1997-11-20
IPC分类号： C08K5/103
CPC分类号： 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 a hydroxy ester conforming structurally to ##STR1## where R is a member selected from the group consisting of glycerol, trimethylol propyl and pentaerythritol radicals, R' denotes a C.sub.6-20 hydrocarbon radical having at least one pendant hydroxyl group, and x is 2 to 4.
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。 该组合物包含聚碳酸酯树脂和脱模剂，其是在结构上符合其中R是选自甘油，三羟甲基丙基和季戊四醇基团的成员的羟基酯，R'表示至少具有至少 一个羟基侧基，x为2〜4。
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公开(公告)号：US6153685A
公开(公告)日：2000-11-28
申请号：US158859
申请日：1998-09-23
申请人： Sivaram Krishnan , James B. Johnson
发明人： Sivaram Krishnan , James B. Johnson
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。
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