公开(公告)号：US07807772B2

公开(公告)日：2010-10-05

申请号：US12646208

申请日：2009-12-23

Applicant: Gautam Chatterjee ,  Dibakar Dhara ,  Muthuvijayan Jegathesan

Inventor： Gautam Chatterjee ,  Dibakar Dhara ,  Muthuvijayan Jegathesan

IPC: C08G64/00 ,  C08G63/02

CPC classification number: C08G64/0208 ,  C08G63/64 ,  C08G64/305

Abstract: Disclosed herein is a copolymer comprising isosorbide carbonate units and a polysiloxane block, wherein the copolymer comprises greater than or equal to 50 mol % isosorbide carbonate units.

Abstract translation: 本文公开了包含异山梨醇碳酸酯单元和聚硅氧烷嵌段的共聚物，其中所述共聚物包含大于或等于50摩尔％的异山梨醇碳酸酯单元。

公开(公告)号：US20100120993A1

公开(公告)日：2010-05-13

申请号：US12646208

申请日：2009-12-23

Applicant: Gautam Chatterjee ,  Dibakar Dhara ,  Muthuvijayan Jegathesan

Inventor： Gautam Chatterjee ,  Dibakar Dhara ,  Muthuvijayan Jegathesan

IPC: C08F283/12

CPC classification number: C08G64/0208 ,  C08G63/64 ,  C08G64/305

Abstract: Disclosed herein is a copolymer comprising isosorbide carbonate units and a polysiloxane block, wherein the copolymer comprises greater than or equal to 50 mol % isosorbide carbonate units.

Abstract translation: 本文公开了包含异山梨醇碳酸酯单元和聚硅氧烷嵌段的共聚物，其中所述共聚物包含大于或等于50摩尔％的异山梨醇碳酸酯单元。

公开(公告)号：US20080108777A1

公开(公告)日：2008-05-08

申请号：US12013141

申请日：2008-01-11

Applicant: Gary Davis ,  Dibakar Dhara ,  Brian Mullen ,  Joshua Stone

Inventor： Gary Davis ,  Dibakar Dhara ,  Brian Mullen ,  Joshua Stone

IPC: C08G64/10

CPC classification number: C08G64/10 ,  C08G63/64 ,  C08G63/6826 ,  C08G64/186 ,  C08K5/42 ,  C08L67/00 ,  C08L69/00 ,  C08L79/08 ,  C08L2666/18 ,  C08L2666/20

Abstract: Polycarbonate compositions having an aromatic polycarbonate resin with 90% or greater fluoroalkylene carbonate end-groups are formed from a partially fluorinated alcohol or a partially fluorinated polymeric alcohol, and a bisphenol and a carbonate source using melt or interfacial polymerization methods. Copolymers and blends with a variety of other bisphenols and other thermoplastics are also described. The polycarbonate compositions show high water contact angles, fluorine enrichment on the surface layer of molded articles, and good flame retardant properties and are useful in a variety of applications including medical, automotive, telecommunication and weatherable applications.

Abstract translation: 具有90％或更多氟代亚烷基碳酸酯端基的芳族聚碳酸酯树脂的聚碳酸酯组合物由部分氟化的醇或部分氟化的聚合物醇和使用熔体或界面聚合方法的双酚和碳酸酯源形成。 还描述了与各种其它双酚和其它热塑性塑料的共聚物和共混物。 聚碳酸酯组合物显示出高的接触角，在模制品的表面层上富集氟，并具有良好的阻燃性能，并且可用于各种应用，包括医疗，汽车，电信和耐候性应用。

公开(公告)号：US07135538B2

公开(公告)日：2006-11-14

申请号：US10950100

申请日：2004-09-24

Applicant: Katherine Glasgow ,  Adam Zerda ,  Dibakar Dhara ,  Vikram Kumar ,  Matthew Robert Pixton

Inventor： Katherine Glasgow ,  Adam Zerda ,  Dibakar Dhara ,  Vikram Kumar ,  Matthew Robert Pixton

IPC: C08G64/00

CPC classification number: C08L83/10 ,  C08L67/00 ,  C08L69/00 ,  C08L2205/02 ,  C08L2666/02 ,  C08L2666/18 ,  C08L83/00

Abstract: A composition includes a polycarbonate-polysiloxane block copolymer that has at least one polycarbonate block and at least one polysiloxane block, and a surface modifying agent that includes at least one polysiloxane segment. Increased levels of the surface modifying agent can be incorporated without compromising high transmittance and low haze. The compositions also exhibit improved hemocompatibility and are therefore useful for a variety of articles that may contact blood.

Abstract translation: 组合物包括具有至少一个聚碳酸酯嵌段和至少一个聚硅氧烷嵌段的聚碳酸酯 - 聚硅氧烷嵌段共聚物和包含至少一个聚硅氧烷链段的表面改性剂。 可以并入表面改性剂的水平增加而不损害高透光率和低雾度。 组合物还表现出改善的血液相容性，因此可用于可接触血液的各种制品。

公开(公告)号：US20060135737A1

公开(公告)日：2006-06-22

申请号：US11022535

申请日：2004-12-22

Applicant: Gary Davis ,  Dibakar Dhara ,  Brian Mullen ,  Joshua Stone

Inventor： Gary Davis ,  Dibakar Dhara ,  Brian Mullen ,  Joshua Stone

IPC: C08G63/68

CPC classification number: C08G64/10 ,  C08G63/64 ,  C08G63/6826 ,  C08G64/186 ,  C08K5/42 ,  C08L67/00 ,  C08L69/00 ,  C08L79/08 ,  C08L2666/18 ,  C08L2666/20

Abstract: Polycarbonate compositions having an aromatic polycarbonate resin with 90% or greater fluoroalkylene carbonate end-groups are formed from a partially fluorinated alcohol or a partially fluorinated polymeric alcohol, and a bisphenol and a carbonate source using melt or interfacial polymerization methods. Copolymers and blends with a variety of other bisphenols and other thermoplastics are also described. The polycarbonate compositions show high water contact angles, fluorine enrichment on the surface layer of molded articles, and good flame retardant properties and are useful in a variety of applications including medical, automotive, telecommunication and weatherable applications.

公开(公告)号：US20050148710A1

公开(公告)日：2005-07-07

申请号：US10748372

申请日：2003-12-30

Applicant: Jennifer Dean ,  Dibakar Dhara ,  Johannes Goossens ,  Theodorus Hoeks

Inventor： Jennifer Dean ,  Dibakar Dhara ,  Johannes Goossens ,  Theodorus Hoeks

IPC: C08J5/18 ,  C08K5/00 ,  C08K5/19 ,  C08K5/42 ,  C08K5/50 ,  C08K5/54 ,  C08K5/5415 ,  C08L69/00 ,  C08L83/12 ,  C08K5/41

CPC classification number: C08J5/18 ,  C08J2369/00 ,  C08J2483/12 ,  C08K5/0075 ,  C08K5/19 ,  C08K5/42 ,  C08K5/50 ,  C08L69/00 ,  C08L69/005 ,  C08L83/12 ,  C08L83/00

Abstract: A water resistant permanent antistatic thermoplastic composition contains about 100 parts by weight of a thermoplastic polymer, such as polycarbonate or a blend thereof, about 0.1 to about 10 parts by weight of an antistatic agent, and about 0.1 to about 10 parts by weight of a polysiloxane-polyether copolymer.

Abstract translation: 防水永久性抗静电热塑性组合物包含约100重量份的热塑性聚合物，例如聚碳酸酯或其共混物，约0.1至约10重量份的抗静电剂和约0.1至约10重量份的 聚硅氧烷 - 聚醚共聚物。

公开(公告)号：US06552158B1

公开(公告)日：2003-04-22

申请号：US10064348

申请日：2002-07-03

Applicant: Veeraraghavan Srinivasan ,  Dibakar Dhara ,  Rein Mollerus Faber ,  Gautam Chatterjee ,  Jan Pleun Lens

Inventor： Veeraraghavan Srinivasan ,  Dibakar Dhara ,  Rein Mollerus Faber ,  Gautam Chatterjee ,  Jan Pleun Lens

IPC: C08G6400

CPC classification number: G11B7/2534 ,  C08G64/06

Abstract: The disclosure relates to articles using polycarbonates produced by a melt transesterification polymerization method using bis(hydroxyaryl)cyclohexanes. Such polycarbonates have suitable glass transition temperatures and outstanding dimensional stabilities, thus making them particularly useful for making articles possessing high temperature stability, particularly for use in optical articles such as high density optical data storage and recordable media.

Abstract translation: 本公开涉及使用通过使用双（羟基芳基）环己烷的熔融酯交换聚合方法制备的聚碳酸酯的制品。 这种聚碳酸酯具有合适的玻璃化转变温度和优异的尺寸稳定性，因此使其特别适用于具有高温稳定性的制品，特别适用于光学制品如高密度光学数据存储和可记录介质。

公开(公告)号：US08389648B2

公开(公告)日：2013-03-05

申请号：US13196599

申请日：2011-08-02

Applicant: Purushotham Adoni ,  Dibakar Dhara ,  Sriramakrishna Maruvada ,  Roopali Rai ,  Veeraraghavan Srinivasan

Inventor： Purushotham Adoni ,  Dibakar Dhara ,  Sriramakrishna Maruvada ,  Roopali Rai ,  Veeraraghavan Srinivasan

IPC: C08L83/06 ,  C08L85/00

CPC classification number: C08L69/00 ,  C08L83/10 ,  C08L83/00 ,  C08L2666/14

Abstract: A composition, comprising, based on the total weight of the polymer components in the composition, 1 to 40 wt. % of an aromatic polycarbonate, 30 to 98.8 wt. % of a polysiloxane-polycarbonate block copolymer, and 0.1 to 10 wt. % of a polysiloxane-polyimide block copolymer comprising more than 20 wt. % polysiloxane blocks, based on the total weight of the polysiloxane-polyimide copolymer. The compositions provide articles with low haze, high luminous transmittance, and good hydro-aging properties. The articles can further be formulated to have excellent flame retardance, particularly when KSS is used.

Abstract translation: 一种组合物，其包含基于组合物中聚合物组分的总重量为1至40wt。 ％的芳族聚碳酸酯，30至98.8wt。 ％的聚硅氧烷 - 聚碳酸酯嵌段共聚物，和0.1-10wt。 ％的聚硅氧烷 - 聚酰亚胺嵌段共聚物，其包含大于20wt。 ％聚硅氧烷嵌段，基于聚硅氧烷 - 聚酰亚胺共聚物的总重量。 该组合物提供具有低雾度，高透光率和良好的水解时效性能的制品。 制品可以进一步配制成具有优异的阻燃性，特别是当使用KSS时。

公开(公告)号：US07642315B2

公开(公告)日：2010-01-05

申请号：US11763927

申请日：2007-06-15

Applicant: Gary C. Davis ,  Dibakar Dhara ,  Sarah Elizabeth Genovese ,  Katherine Glasgow ,  Jennifer Kübel ,  Gautam Madan ,  Patrick J. McCloskey ,  William D. Richards

Inventor： Gary C. Davis ,  Dibakar Dhara ,  Sarah Elizabeth Genovese ,  Katherine Glasgow ,  Jennifer Kübel ,  Gautam Madan ,  Patrick J. McCloskey ,  William D. Richards

IPC: C08G64/16 ,  C08L69/00

CPC classification number: C08G64/183 ,  C08G65/40 ,  C08G2650/58 ,  C08L71/02 ,  C08L2205/05

Abstract: Disclosed herein is a polycarbonate copolymer comprising A) a structure derived from a dihydroxy alkylene oxide compound selected from the group consisting of formula (1a) and formula (1b): H-(E-X)l—OH  (1a) H-(E-X-E)l-OH  (1b) wherein E and X are different and each and independently are selected from the group consisting of formula (2a) and formula (2b): —(OCH2CH2)m—  (2a) —(OCHRCH2)n—  (2b) wherein R is a C1-8 alkyl group; l, m, and n are integers greater than or equal to 1; and wherein the weight average molecular weight of the total amount of the structures corresponding to formula (2b) in the copolymer is between 100 and 2,000 g/mol; and B) a structure derived from a dihydroxy aromatic compound, wherein the weight percentages are based on the total weight of the structures of A) and B).

公开(公告)号：US07638091B2

公开(公告)日：2009-12-29

申请号：US10884261

申请日：2004-07-02

Applicant: Gautam Chatterjee ,  Dibakar Dhara ,  Katherine Glasgow ,  Antoinette van Bennekom ,  Jos van den Bogerd ,  Adam Zerda

Inventor： Gautam Chatterjee ,  Dibakar Dhara ,  Katherine Glasgow ,  Antoinette van Bennekom ,  Jos van den Bogerd ,  Adam Zerda

IPC: A61L2/08

CPC classification number: C08L69/00 ,  A61L2/07 ,  C08G64/12 ,  C08L69/005 ,  C08L83/10 ,  C08L83/00

Abstract: A method comprising treating an article with steam, wherein the article comprises a composition comprising an amount of a polysiloxane-polycarbonate copolymer effective to provide thermal and hydrolytic stability to the article for at least 15 cycles, wherein each cycle comprises 20 minutes of contact with steam at 100° C., at atmospheric pressure. The articles are of utility in a wide variety of applications such as food service and medical applications.

Abstract translation: 一种包括用蒸汽处理制品的方法，其中所述制品包含一定量的聚硅氧烷 - 聚碳酸酯共聚物的组合物，其有效地为制品提供至少15个循环的热和水解稳定性，其中每个循环包括与蒸汽接触20分钟 在100℃，在大气压下。 这些物品可用于各种应用，如食品服务和医疗应用。