Sabic Innovative Plastics IP B.v.

General Electric Company

Sabic Global Technologies B.v.

Gurram Kishan

Balakrishnan Ganesan

Venkata Rama Narayanan Ganapathy Bhotla

Pradeep Jeevaji Nadkarni

Adil Minoo Dhalla

Ravindra Vikram Singh

Nileshkumar Prakash Kukalyekar

Ramesh Krishnamurti

Salkod Parameshwar Mallika

Rajappan Vetrivel

Mahesh Malusare

Pushpa Narayanan

Jan-Pleun Lens

Umesh Krishna Hasyagar

Vinod Kumar Rai

Suresh Shanmugam

Kumar Arun Satyanarayana

Rajshekhar Basale

G V Ramanarayanan

Jan Plen Lens

Shivappa Basappa Halligudi

Bhaskar Veldurthy

Patrick Joseph McCloskey

Kwok Pong Chan

Farid Fouad Khouri

James Lawrence Spivack

Jan Pleun Lens

Edward Kung

Katherine Campbell Glasgow

James Mitchell White

Edward Joseph Nesakumar

Tong Sun

Jonathan Lloyd Male

Daniel Francis Lowery

Pramod Shankar Kumbhar

Hatem Abdallah Belfadhel

Susanta Mitra

Reema Sinha

Jegadeesh Thampi

Brian Thomas Carvill

Anand Pal Singh

Rathinam Jothi Mahalingam

Arumugamangalam Venkataraman Ramaswamy

Sangita Nandi

Swaminathan Shubashree

Ashok Shyadligeri

Rachel Marie Suffield

Guohua Xiu

Radha Kamalakaran

C Seetharaman

Debjani Kapila

Venugopal Bv

Venugopal Boddapaty Venkata

Arun Dixit

Surendra Kulkarni

Dwairath Dhar

Radhakrishna Sreenivasarao Arakali

Joshua McClellan Croll

Marcus J Harrigan

Ritesh Mathur

Wenhul Wang

Nilesh Kumar Parkash Kukalyekar

Yongcheng Li

Venkata Rama Narayanan Ganapathy Bholta

Manisha Potdar

Ramanarayanan Gv

Hyacinth Mary Bastian

Suresh Shanumgam

Kapila Debjani

Arakali Radhakrishna Srinivasarao

Raina Gupta

Gv Ramanarayanan

S Arun Kumar

Manisha 145/4 Ramesh Reddy Building Potdar

Disclosed herein is a composition comprising an organic polymer and about 2 to about 10 weight percent of an ionic liquid. The ionic liquid can be a halogenated or non-halogenated ionic liquid. Disclosed herein too are articles manufactured from the composition.

Compositions having reduced frictional coefficient, method of manufacture thereof and articles comprising the same

A method of producing a phenolphthalein comprises reacting a phenolic compound of the formula: wherein Ris a hydrogen or a C-Chydrocarbyl group, with a phthalic anhydride compound of the formula: wherein Ris a hydrogen, a C-Chydrocarbyl group, or a halogen, in the presence of a heterogeneous catalyst and a promoter to form a reaction mixture comprising a phenolphthalein compound of the formula: wherein each Ris independently a hydrogen or a C-Chydrocarbyl group, and Ris a hydrogen, a C-Chydrocarbyl group, or a halogen; wherein the heterogeneous catalyst comprises a metal oxide composition in combination with a porous support, wherein the metal is molybdenum, tungsten, or a combination comprising at least one of the foregoing metals.

Catalytic method for producing phenolphthalein compounds

This invention relates to organic salt compositions useful in the preparation of organoclay compositions, polymer-organoclay composite compositions, and methods for the preparation of polymer nanocomposites. In one embodiment, the present invention provides an organoclay composition comprising alternating inorganic silicate layers and organic layers, said organic layers comprising a quaternary phosphonium cation having structure X wherein Ar, Ar, and Arare independently C-Caromatic radicals; Aris a bond or a C-Caromatic radical; 'a' is a number from 1 to about 200; 'c' is a number from 0 to 3; Ris independently at each occurrence a halogen atom, a C-Caliphatic radical, a C-Ccycloaliphatic radical, or a C-Caromatic radical; and Ris a halogen atom, a C-Caliphatic radical, a C-Ccycloaliphatic radical, a C-Caromatic radical, or a polymer chain.

Compositions and methods for polymer composites

A method for producing a phenolphthalein compound comprises: reacting a phenolic compound of the formula: wherein Ris a hydrogen or a C-Chydrocarbyl group, with a phthalic anhydride compound of the formula: wherein Ris a hydrogen, a C-Chydrocarbyl group, or a halogen, in the presence of a heterogeneous catalyst and a promoter to form a reaction mixture comprising a phenolphthalein compound of the formula: wherein each Ris independently a hydrogen or a C-Chydrocarbyl group; and Ris a hydrogen, a C-Chydrocarbyl group, or a halogen; wherein the heterogeneous catalyst comprises, on a porous support, a calcination product of a heteropolyacid composition.

Method for producing phenolphthalein using a heteropolyacid catalyst

A method for producing a phenolphthalein compound is disclosed, comprising: reacting a phenolic compound of the formula: wherein Ris a hydrogen or a C-Chydrocarbyl group, with a phthalic anhydride compound of the formula: wherein Ris a hydrogen, a C-Chydrocarbyl group, or a halogen, in the presence of an ionic liquid catalyst composition and a promoter to form a reaction mixture comprising a phenolphthalein compound of the formula: wherein each Ris independently a hydrogen or a C-Chydrocarbyl group, and Ris a hydrogen, a C-Chydrocarbyl group, or a halogen; wherein the ionic liquid catalyst composition comprises a combination of an ionic liquid and a metal halide wherein the metal is selected from the group consisting of a Group IIB, IIIA, VIII, or IVA metal, and a combination thereof.

Method for producing phenolphthalein compound using ionic liquid catalyst composition

A method for purifying a 2-aryl-3,3-bis(hydroxyaryl)phthalimidine comprises contacting a crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine with a purification agent, removing a 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound from the crude 2-aryl-3,3-bis(hydroxyaryl)phthalimidine, and producing a purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidine product comprising less than 200 parts per million of the 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound. The purification agent is selected from the group consisting of an acidic material, an organic acid chloride, an organic anhydride, or a combination thereof. The 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compound has a formula: wherein each Ris independently selected from a group consisting of a hydrocarbyl radical, a nitro radical, and a halogen atom; 'a' is an integer from 0 to 4; and Arand Arare independently at each occurrence an aromatic radical. The purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidines have low color, and are useful for preparing polymers, such as polycarbonates having a low color. The polycarbonates are useful for producing articles.

Methods for purifying 2-aryl-3,3-bis(hydroxyaryl)phthalimidines

A process for preparing 2,2-bis(4-hydroxyphenyl)propane (p,p-bisphenol-A) from 2,4,4-trimethyl-2-(4-hydroxyphenyl)chroman (chroman 1.5) is disclosed. Phenol and chroman 1.5 are contacted over an acidic ion exchange resin at a given temperature for a given period of time. The process results in improved quality of p,p-bisphenol-A, better performance of catalyst, improved raw material usage, and reduced waste.

Process for producing bisphenol-A

Disclosed herein is a method comprising reacting a phenolphthalein material and a primary hydrocarbyl amine in the presence of an acid catalyst to form a reaction mixture comprising 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the phenolphthalein material comprises greater than or equal to 99 weight percent phenolphthalein, based on the total weight of the phenolphthalein material; quenching the reaction mixture and treating the quenched reaction mixture to obtain a first solid. The first solid is purified by a combination of techniques to produce a solid comprising 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine with sufficient purity to be used as a monomer in the synthesis of clear polymers.

Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom

Purified 2-aryl-3,3-bis(hydroxyaryl)phthalimidines

A process comprising the steps of dissolving a dihydric phenol in a solvent to form a solution A, contacting the solution A with an adsorbent material selected from the group consisting of metal oxides, modified metal oxides, activated carbons, and clays, filtering the adsorbent material to form a solution B, adding an anti-solvent to the solution B to form a solution C, and distilling the solution C, wherein the dihydric phenol is represented by Formula (I): wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms and n is an integer having a value of 1 to 4.

Process for the purification of dihydric phenols

A process comprising the steps of dissolving a dihydric phenol in a solvent to form a solution A; contacting the solution A with a zeolite; filtering the zeolite to form a solution B; adding an anti-solvent to the solution B to form a solution C; and distilling the solution C; wherein the dihydric phenol is represented by Formula (I): wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms and n is an integer having a value 1 to 4.

Method of purification of dihydric phenols

A method of producing a polycarbonate, the method comprising: polymerizing a dihydric phenol and a carbonate precursor in the presence of oxalic acid to produce a polycarbonate with a yellowness index of less than or equal to 10 measured in accordance with ASTM E313 test method on molded samples having a thickness of about 2.5 millimeters; wherein the amount of oxalic acid ranges from about 20 parts per million to about 350 parts per million, relative to an amount of the dihydric phenol; wherein the dihydric phenol is represented by Formula (I):  wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms; and n is an integer having a value of 1 to 4.

Method of stabilization of dihydric phenols

Disclosed herein is a method comprising reacting a phenolphthalein material and a primary hydrocarbyl amine in the presence of an acid catalyst to form a reaction mixture comprising 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the phenolphthalein material comprises greater than or equal to 95 weight percent phenolphthalein, based on the total weight of phenolphthalein material; quenching the reaction mixture and treating the quenched reaction mixture to obtain a first solid. The first solid is then triturated with a trituration solvent and washed to obtain a second solid, wherein the second solid comprises greater than or equal to 97 weight percent 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, based on the total weight of the second solid. The second solid may be polymerized to form a polycarbonate.

Disclosed herein are silicone resins comprising structural units of the formula: andat least one structural unit selected from the group consisting of: where 'A' is a spacer group comprising Cto Calkyl groups; 'B' and &#x201c;C&#x201d; are spacer groups comprising Cto Calkyl groups; &#x201c;M&#x201d; comprises a Group III element,; R, R, R, and Rindependently comprise OH, alkyl groups, or alkoxy groups; Rand Rindependently comprise hydrogen, alkali metal, or alkyl groups; and Rcomprises a alkyl group. Methods for preparing these silicone resins are also disclosed. The silicone resins are useful as catalysts for producing bisphenols.

Functionalized silicone resins, methods for their preparation, and use as catalysts

Compounds and methods for preparing 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidines having a formula of: wherein Ris independently selected from a group consisting of a hydrocarbyl radical, a nitro radical, and a halogen atom; 'a' is an integer from 0&#x2013;4; and Arand Arare each independently an aromatic radical, are disclosed. The 2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds are useful for preparing other useful monomers and polymers.

2-aryl-3-(aminoaryl)-3-(hydroxyaryl)phthalimidine compounds and methods for making them

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Bengaluru, India

Gurram Kishan