公开(公告)号：US20190135748A1

公开(公告)日：2019-05-09

申请号：US16095259

申请日：2017-04-20

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shubashree Swaminathan ,  Shivakumar Konda ,  Gaurav Mediratta

IPC: C07D209/46 ,  C08G64/06 ,  B01J31/02

CPC classification number: C07D209/46 ,  B01J31/0238 ,  B01J31/0244 ,  C08G64/06

Abstract: A method for the manufacture of a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine including heating a reaction mixture comprising a phenolphthalein compound and a primary arylamine in the presence of an acid catalyst, and a heterocyclic aromatic amine co-catalyst, to form the 2-aryl-3,3-bis(hydroxyaryl) is provided. Polymers including structural units derived from the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine are provided. Methods for the manufacture of a polycarbonate, including manufacturing the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine, and polymerizing the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine in the presence of a carbonate source are provided.

公开(公告)号：US20230348668A1

公开(公告)日：2023-11-02

申请号：US17796525

申请日：2021-02-09

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shivakumar Konda ,  Chelsea Schmidt ,  Indira Jyothi Polasa ,  Jordi Calveras ,  Thomas Paul Kanjirathadathil

IPC: C08G64/10 ,  C08L69/00 ,  C08G64/24

CPC classification number: C08G64/10 ,  C08G64/24 ,  C08L69/00 ,  C08L2207/20

Abstract: The present invention relates to a method for the manufacture of a (co)polycarbonate comprising reacting tetrabromo bisphenol A and optionally one or more bisphenol comonomer(s) with phosgene wherein the tetrabromo bisphenol A contains an amount of tetrabromo bisphenol A dimer of at most 3.0 wt.% based on the weight of the tetrabromo bisphenol A, determined after heat treating the tetrabromo bisphenol A at a temperature of 260° C. for a period of 15 minutes.

公开(公告)号：US20200024232A1

公开(公告)日：2020-01-23

申请号：US16415482

申请日：2019-05-17

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Deshmukh Sandesh Shivajirao ,  Shivakumar Konda ,  Sivakumar Sreeremagiri ,  Sivakumar Periyasamy ,  Ravi Gautam ,  Srinivasan Namala ,  Ganesan Balakrishnan

IPC: C07D209/46 ,  C08G64/12 ,  C08G64/30

Abstract: A method for the purification of a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine of formula (I), the method comprising heating a reaction mixture comprising a phenolphthalein compound of formula (II) and a primary arylamine of formula (III) in the presence of an acid catalyst to form a reaction mixture; removing water from the reaction mixture; quenching the reaction mixture with an aqueous alkali solution to form a quenched reaction mixture; extracting the quenched reaction mixture with an aminoaryl compound of formula (IV) to form an organic layer and an extracted aqueous layer comprising a crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine compound; contacting the extracted aqueous layer with carbon to form a semi-purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidine compound; and mixing the semi-purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidine compound with a solution comprising an alcohol and an acid to form a purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidine of formula (I); wherein formulas (I), (II), (III), and (IV) are as provided herein.

公开(公告)号：US10005884B2

公开(公告)日：2018-06-26

申请号：US15302510

申请日：2015-04-22

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Anup Krishnnan Appukuttan Pillai ,  Shivakumar Konda ,  Gaurav Mediratta ,  Venkata Rama Narayanan Ganapathy Bhotla ,  Salkod Parameshwar Mallika ,  Pradeep Jeevaji Nadkarni

IPC: C08G63/02 ,  C08G64/12 ,  C07D209/46

CPC classification number: C08G64/12 ,  C07D209/46

Abstract: Methods for synthesizing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds are provided. The method includes heating a reaction mixture including a phenolphthalein, a primary aryl amine, and an acid catalyst to form a phthalimidine; precipitating the phthalimidine from the reaction mixture to provide a crude phthalimidine; providing a solution including the crude phthalimidine, an additive, and at least one solvent; contacting the solution with one or more purification agents to provide a treated solution; precipitating and recovering a phthalimidine adduct from the treated solution; and recovering a purified phthalimidine compound from the adduct.

公开(公告)号：US10662154B2

公开(公告)日：2020-05-26

申请号：US16095259

申请日：2017-04-20

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Shubashree Swaminathan ,  Shivakumar Konda ,  Gaurav Mediratta

IPC: C07D209/46 ,  B01J31/02 ,  C08G64/06

Abstract: A method for the manufacture of a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine including heating a reaction mixture comprising a phenolphthalein compound and a primary arylamine in the presence of an acid catalyst, and a heterocyclic aromatic amine co-catalyst, to form the 2-aryl-3,3-bis(hydroxyaryl) is provided. Polymers including structural units derived from the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine are provided. Methods for the manufacture of a polycarbonate, including manufacturing the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine, and polymerizing the 2-aryl-3,3-bis(hydroxyaryl)phthalimidine in the presence of a carbonate source are provided.

公开(公告)号：US20190284341A1

公开(公告)日：2019-09-19

申请号：US16270917

申请日：2019-02-08

Applicant: SABIC Global Technologies B.V.

Inventor： Shivakumar Konda ,  Rajesh Chowdhury ,  Indira Jyothi Polasa

IPC: C08G73/06 ,  C07D209/44

Abstract: A thermosetting composition, comprising a 4,4′-(((3-oxo-2-hydrocarbylisoindoline-1,1-diyl)bis(4,1-arylene))bis(oxy)) diphthalonitrile compound of formula (1) wherein R is a C1-12 hydrocarbyl, preferably a C1-6 alkyl or a C6-12 aryl; each occurrence of R2 and R3 is independently a hydrogen, a halogen, or a C1-25 hydrocarbyl, preferably hydrogen or a C1-6 alkyl, more preferably a hydrogen or C1-3 alkyl; and p and q are each independently 0 to 4, preferably 0 or 1, more preferably 0.

公开(公告)号：US20190284339A1

公开(公告)日：2019-09-19

申请号：US16270747

申请日：2019-02-08

Applicant: Sabic Global Technologies B.V.

Inventor： Rajesh Chowdhury ,  Shivakumar Konda

IPC: C08G73/06 ,  C09D179/04 ,  C09J179/04 ,  C09K3/10

Abstract: A thermoset polymer product comprising 4,4′-(((3-oxo-isoindoline-1,1-diyl)bis(4,1-arylene))bis(oxy))dibenzonitrile units of formula (2) wherein the units are derived from a 4,4′-(((3-oxo-isoindoline-1,1-diyl)bis(4,1-arylene))bis(oxy))diphthalonitrile monomer of formula (1) wherein R is a C1-25 hydrocarbyl, preferably a C1-6 alkyl, a phenyl, or a phenyl substituted with up to five C1-6 alkyl groups, more preferably a C1-3 alkyl or a phenyl; each occurrence of R2 and R3 is independently a hydrogen, a halogen, or a C1-25 hydrocarbyl, preferably a hydrogen, a halogen, or a C1-6 alkyl, more preferably a hydrogen or a C1-3 alkyl; p and q are each independently 0 to 4, preferably 0 or 1, more preferably 0; and G is a residue of a cyano group, and is a C1-25 hydrocarbyl linking group having a valence of at least 2.

公开(公告)号：US20170029562A1

公开(公告)日：2017-02-02

申请号：US15302510

申请日：2015-04-22

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Anup Krishnnan Appukuttan Pillai ,  Shivakumar Konda ,  Gaurav Mediratta ,  Venkata Rama Narayanan Ganapathy Bhotla ,  Salkod Parameshwar Mallika ,  Pradeep Jeevaji Nadkarni

IPC: C08G64/12 ,  C07D209/46

CPC classification number: C08G64/12 ,  C07D209/46

Abstract: Methods for synthesizing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds are provided. The method includes heating a reaction mixture including a phenolphthalein, a primary aryl amine, and an acid catalyst to form a phthalimidine; precipitating the phthalimidine from the reaction mixture to provide a crude phthalimidine; providing a solution including the crude phthalimidine, an additive, and at least one solvent; contacting the solution with one or more purification agents to provide a treated solution; precipitating and recovering a phthalimidine adduct from the treated solution; and recovering a purified phthalimidine compound from the adduct.

Abstract translation: 提供2-芳基-3,3-双（4-羟基芳基）苯并嘧啶化合物的合成和纯化方法。 该方法包括加热包括酚酞，伯芳基胺和酸催化剂的反应混合物以形成苯二酰亚胺; 从反应混合物中沉淀苯二酰亚胺，得到粗的苯二酰亚胺; 提供包括粗的苯二酰亚胺，添加剂和至少一种溶剂的溶液; 使溶液与一种或多种纯化剂接触以提供处理的溶液; 从处理过的溶液中沉淀并回收苯二酰亚胺加合物; 并从加合物中回收纯化的苯虫胺化合物。