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71. 发明授权

US5998520A Photochromic compositions having improved fade rate 失效
标题翻译：具有改善的褪色速率的光致变色组合物
公开(公告)号：US5998520A
公开(公告)日：1999-12-07
申请号：US887075
申请日：1997-07-02
申请人： Sivaram Krishnan , Robert A. Pyles , James B. Johnson , Michael P. Jenkins , Timothy J. Pike
发明人： Sivaram Krishnan , Robert A. Pyles , James B. Johnson , Michael P. Jenkins , Timothy J. Pike
IPC分类号： C09K9/02 , C08K5/00 , C08K5/1545 , C08K5/357 , C08L67/04 , C08L69/00 , C08K5/15
CPC分类号： C08K5/0041 , C08L69/00 , C08L67/04 , C08L69/005
摘要： A thermoplastic molding composition is disclosed comprising (A) at least one resinous component selected from the group consisting of (i) a homogeneous blend of polycarbonate resin and polycaprolactone and (ii) a copoly(carbonate-lactone) copolymer, and (B) at least one compound selected from a group consisting of benzopyrans, naphthopyrans, spirobenzopyrans, spironaphthopyrans, spirobenzoxazines, spironaphthoxazines, fulgides and fulgimides. The composition which contains the photochromic compound at an amount of 0.01 to 1.0 parts per hundred parts of weight of said (A) exhibits good photochromic properties.
摘要翻译：公开了一种热塑性模塑组合物，其包含（A）至少一种选自以下的树脂成分：（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）共聚物，（B）至少一种选自苯并吡喃，萘并吡喃，螺苯并吡喃，螺环吡喃，螺苯并恶嗪，螺吩噻嗪，吡咯并嘧啶和菲咯嗪的化合物。含有所述（A）的每100份重量为0.01〜1.0份的光致变色化合物的组合物显示出良好的光致变色性质。

72. 发明授权

US5681905A Gamma radiation-resistant blend of polycarbonate with polyester 失效
标题翻译：聚碳酸酯与聚酯的耐辐射性混合物
公开(公告)号：US5681905A
公开(公告)日：1997-10-28
申请号：US698595
申请日：1996-08-16
申请人： James P. Mason , Sivaram Krishnan , Walter G. Chwala
发明人： James P. Mason , Sivaram Krishnan , Walter G. Chwala
IPC分类号： C08K5/5435 , C08L67/00 , C08L67/02 , C08L69/00 , C08L83/04 , C08L83/06
CPC分类号： C08L69/00 , C08K5/5435 , C08L67/02
摘要： An improved thermoplastic molding composition containing polycarbonate and a polyester copolymer based on cyclohexane-dimethanol, ethylene glycol and phthalic acid is disclosed. Improved resistance to gamma-radiation results from the incorporation of a siloxane compound which contains an oxirane group.
摘要翻译：公开了一种包含聚碳酸酯和基于环己烷二甲醇，乙二醇和邻苯二甲酸的聚酯共聚物的改进的热塑性模塑组合物。通过引入含有环氧乙烷基团的硅氧烷化合物，提高了对γ辐射的抗性。

73. 发明授权

US4948666A Stain resistant polycarbonate panels 失效
标题翻译：防污聚碳酸酯面板
公开(公告)号：US4948666A
公开(公告)日：1990-08-14
申请号：US184850
申请日：1988-04-22
申请人： Winfried G. Paul , Sivaram Krishnan , Larry D. Sarver
发明人： Winfried G. Paul , Sivaram Krishnan , Larry D. Sarver
IPC分类号： B29C47/06 , B29K69/00 , B29L9/00 , B32B7/02 , B32B27/36 , C08G64/00 , C08G64/12 , C08K5/3475
CPC分类号： B32B27/36 , B29C47/065 , B29C47/145 , C08K5/3475 , B29C47/0019 , B29K2069/00 , Y10T428/263 , Y10T428/31507
摘要： The present invention is related to a stain resistant polycarbonate panel which preferably comprises co-extruded polycarbonate sheet and an adherent layer based on linear polycarbonate resin which contains an additive conforming to ##STR1## wherein R.sup.1 and R.sup.2 independent of each other are a hydrogen or a halogen atom, a C.sub.1 -C.sub.12 alkoxy, C.sub.7 -C.sub.18 arylalkoxy or a C.sub.1 -C.sub.10 alkyl, cycloalkyl, arylalkyl or an aryl radical and R.sup.3 and R.sup.4 independent of each other are a hydrogen atom, a C.sub.1 -C.sub.10 alkyl, cycloalkyl, arylalkyl or an aryl radical, n is an integer of 0-4 and m is an integer of 1 to 3, --Bridge-- is either ##STR2## where p is 0-3, q is 1-10, Y denotes any of ##STR3## and R.sup.3 and R.sup.4 independently denote a hydrogen atom a C.sub.1 -C.sub.10 alkyl, cycloalkyl, arylalkyl or an aryl radical characterized in that said adherent layer is about 5 to 100 microns in thickness and in that only one of its surfaces is bonded.
摘要翻译：本发明涉及耐污聚碳酸酯面板，其优选包括共挤出的聚碳酸酯片材和基于线性聚碳酸酯树脂的粘合层，其包含符合的添加剂，其中R1和R2彼此独立地是氢或卤素原子，C1-C12烷氧基，C7-C18芳基烷氧基或C1-C10烷基，环烷基，芳基烷基或芳基，R3和R4彼此独立地为氢原子，C1-C10烷基，环烷基，芳基烷基或芳基，n为0-4的整数，m为1〜3的整数，-Bridge-为“IMAGE”，其中p为0-3，q为1-10，Y表示任何并且R 3和R 4独立地表示氢原子，C 1 -C 10烷基，环烷基，芳基烷基或芳基，其特征在于，所述粘附层的厚度为约5至100微米，其中仅一个表面为保税。

74. 发明授权

US4873271A Gamma radiation rsistant polycarbonate compositions 失效
标题翻译：伽马辐射聚碳酸酯组合物
公开(公告)号：US4873271A
公开(公告)日：1989-10-10
申请号：US342918
申请日：1989-04-25
申请人： Charles E. Lundy , Sivaram Krishnan
发明人： Charles E. Lundy , Sivaram Krishnan
IPC分类号： C08K5/10 , C08K5/00 , C08K5/103 , C08L69/00
CPC分类号： C08K5/103
摘要： The invention relates to thermoplastic polycarbonate molding compositions which are rendered improved resistance to gamma-radiation by the incorporation therewith of about 0.05 to about 5.0 percent by weight of an ester of poly(alkylene)oxide conforming to ##STR1## wherein R is a C.sub.1 -C.sub.20 alkyl, aryl or alkylaryl, Y denotes a hydrogen atom or a C.sub.1 -C.sub.6 alkyl radical, and X is about 1 to 40, preferably 5 to 30.The compositions of the invention exhibit excellent resistance to yellowness and formation of haze which commonly characterize gamma irradiated articles molded from polycarbonate.

75. 发明授权

US4847312A Hydrolytically stable polycarbonate composition comprising dicyclopentadienyl epoxy ether 失效
标题翻译：包含二环戊二烯基环氧醚的水解稳定的聚碳酸酯组合物
公开(公告)号：US4847312A
公开(公告)日：1989-07-11
申请号：US227225
申请日：1988-08-02
申请人： Charles E. Lundy , Sivaram Krishnan
发明人： Charles E. Lundy , Sivaram Krishnan
IPC分类号： C08L69/00 , C08K5/00 , C08K5/1515
CPC分类号： C08K5/1515
摘要： A polycarbonate molding composition comprising an aromatic polycarbonate resin and a compound conforming to ##STR1## wherein n, x and y independently are 0 or 1 and R is a C.sub.1 -C.sub.20 hydrocarbon radical was found to have advantageous hydrolytic stability.

76. 发明授权

US4804692A Gamma-radiation resistant polycarbonate compositions 失效
标题翻译：抗γ辐射聚碳酸酯组合物
公开(公告)号：US4804692A
公开(公告)日：1989-02-14
申请号：US187629
申请日：1988-04-28
申请人： Charles E. Lundy , Winfried G. Paul , Sivaram Krishnan
发明人： Charles E. Lundy , Winfried G. Paul , Sivaram Krishnan
IPC分类号： C08K5/54 , C08L69/00
CPC分类号： C08K5/54 , C08L69/00
摘要： The invention relates to thermoplastic polycarbonate molding compositions which are rendered resistant to gamma-radiation by incorporating therewith about 0.05 to about 10 percent by weight of a stabilizing agent selected from the group consisting of ##STR1## wherein R is a hydrogen or a halogen atom or a C.sub.1 -C.sub.10 alkyl, a C.sub.6 -C.sub.10 aryl, C.sub.1 -C.sub.22 acyl, C.sub.6 -C.sub.18 alkylaryl or a C.sub.4 -C.sub.10 cycloalkyl radical, m is 1 or 3 to 6, n is an integer of about 20 to 70 and Y is a radical conforming to ##STR2## wherein R, R' and R" independently one of the others are selected from C.sub.1 -C.sub.10 alkyl and C.sub.6 -C.sub.12 aryl radicals preferably C.sub.1 -C.sub.4 alkyl radical.
摘要翻译：本发明涉及热塑性聚碳酸酯模塑组合物，其通过掺入约0.05至约10重量％的选自下组的稳定剂，使其具有抗γ辐射的抗性：Y（Y）[（CH 2）m O] n Y II 其中R为氢或卤原子或C 1 -C 10烷基，C 6 -C 10芳基，C 1 -C 22酰基，C 6 -C 18烷基芳基或C 4 -C 10环烷基，m为1或3至6，n为约20至70的整数，Y是符合的基团，其中R，R'和R“独立地选自C 1 -C 10烷基和C 6 -C 12芳基，优选C 1 -C 4烷基。

77. 发明授权

US4673699A Flame retardant molding compositions 失效
标题翻译：阻燃成型组合物
公开(公告)号：US4673699A
公开(公告)日：1987-06-16
申请号：US672511
申请日：1984-11-19
申请人： Sivaram Krishnan , Ulrich R. Grigo
发明人： Sivaram Krishnan , Ulrich R. Grigo
IPC分类号： C08L69/00 , C08K5/16 , C08K5/34 , C08K5/3417 , C08L7/00 , C08L21/00 , C08L51/00 , C08L51/02 , C08L67/00
CPC分类号： C08K5/3417
摘要： Novel molding compositions comprising a polycarbonate resin and the halogenated reaction product of phthalic anhydride and aniline are characterized in their improved flame resistance and are useful for the preparation of molded articles.
摘要翻译：包含聚碳酸酯树脂和邻苯二甲酸酐和苯胺的卤化反应产物的新型成型组合物的特征在于其改进的阻燃性，并且可用于制备模塑制品。

78. 发明授权

US4632949A Flame retarding agents for polycarbonates 失效
标题翻译：聚碳酸酯的阻燃剂
公开(公告)号：US4632949A
公开(公告)日：1986-12-30
申请号：US687783
申请日：1984-12-31
申请人： Sivaram Krishnan
发明人： Sivaram Krishnan
IPC分类号： C08L69/00 , C07D209/48 , C08K5/16 , C08K5/34 , C08K5/3417 , C08L1/00 , C08L27/00
CPC分类号： C07D209/48 , C08K5/3417
摘要： The present invention relates to novel N-(alkoxyphenyl) phthalimides conforming to the structure ##STR1## wherein X is a halogen atom, R is a C.sub.1 -C.sub.4 alkyl, g is 1 to 5, n is an integer of from 0 to 4, m is either 0 or 1 and p is either 0 or 1. The phthalimide thus disclosed was found to be suitable as a flame retarding additive for thermoplastic molding compositions, especially compositions comprising polycarbonate resins.
摘要翻译：本发明涉及符合以下结构的新型N-（烷氧基苯基）苯并二酰亚胺：其中X为卤素原子，R为C 1 -C 4烷基，g为1至5，n为0至4的整数， m是0或1，p是0或1.发现如此公开的邻苯二甲酰亚胺作为热塑性模塑组合物的阻燃添加剂，特别是包含聚碳酸酯树脂的组合物。

79. 发明授权

US4471104A Process for the preparation of polycarbonates having sulfonanilide terminal groups 失效
标题翻译：制备具有磺酰苯胺端基的聚碳酸酯的方法
公开(公告)号：US4471104A
公开(公告)日：1984-09-11
申请号：US439091
申请日：1982-11-04
申请人： Sivaram Krishnan , Wolfgang Cohnen , Dieter Neuray
发明人： Sivaram Krishnan , Wolfgang Cohnen , Dieter Neuray
IPC分类号： C08G63/00 , C08G64/00 , C08G64/14 , C08G63/62
CPC分类号： C08G64/14
摘要： The present invention relates to the preparation of aromatic polycarbonates by the known two-phase interface process, from diphenols characterized in that aromatic sulfonanilides are used as chain terminators in amounts of about 2 mol % to 20 mol %, preferably in amounts of about 2.5 mol % to 10 mol %, relative to mols of diphenols employed. In addition, the present invention relates to the aromatic polycarbonates obtainable by the process according to the invention. The products of this invention have been found to have better self extinguishing property compared to polycarbonates without sulfonamide end groups.
摘要翻译：本发明涉及通过已知的两相界面方法由二酚制备芳族聚碳酸酯，其特征在于芳香族磺酰苯胺用量为约2mol％至20mol％，优选约2.5mol 相对于所用二酚的摩尔数为10〜10摩尔％。此外，本发明涉及通过本发明的方法获得的芳族聚碳酸酯。发现本发明的产品与不含磺酰胺端基的聚碳酸酯相比具有更好的自熄性能。

80. 发明授权

US4448930A Polycarbonate blends having an improved impact strength 失效
标题翻译：具有改善冲击强度的聚碳酸酯共混物
公开(公告)号：US4448930A
公开(公告)日：1984-05-15
申请号：US404066
申请日：1982-08-02
申请人： Sivaram Krishnan , Nelson R. Lazear
发明人： Sivaram Krishnan , Nelson R. Lazear
IPC分类号： C08L69/00
CPC分类号： C08L69/00
摘要： Thermoplastic molding compositions characterized by their improved impact performance and deformation under load are disclosed comprising a homogeneous, intimate blend of a polycarbonate resin and a nuclear alkylated polycarbonate resin wherein blend dispersed is a polymeric modifier.
摘要翻译：公开了一种热塑性模塑组合物，其特征在于它们改进的冲击性能和负载下的变形，其包括聚碳酸酯树脂和核烷基化聚碳酸酯树脂的均匀的紧密共混物，其中共混物分散为聚合物改性剂。

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