公开(公告)号：US10752603B2

公开(公告)日：2020-08-25

申请号：US16271207

申请日：2019-02-08

Applicant: SABIC Global Technologies, B.V.

Inventor： Hariharan Ramalingam ,  Tarun Kumar Pal ,  Meerakani Mohamed Ali Sait ,  Thomas Link Guggenheim ,  Lioba Maria Kloppenburg

IPC: C07D307/89 ,  C07D307/80 ,  C08G73/10 ,  C07D407/12

Abstract: A process for the purification of an oxydiphthalic anhydride includes contacting a mixture of an oxydiphthalic anhydride and at least one of the corresponding oxydiphthalic diacid, a corresponding oxydiphthalic tetraacid, a halophthalic anhydride, and a catalyst with a solvent to provide a slurry. The solvent is capable of solubilizing the corresponding oxydiphthalic diacid, the corresponding oxydiphthalic tetraacid, the halophthalic anhydride, and the catalyst at a temperature of 15 to 50° C., and the oxydiphthalic anhydride is substantially insoluble in the solvent at this temperature. The oxydiphthalic anhydride can be isolated from the slurry. A purified oxydiphthalic anhydride and a polyetherimide prepared therefrom are also disclosed.

公开(公告)号：US10435511B2

公开(公告)日：2019-10-08

申请号：US15573172

申请日：2016-05-27

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Link Guggenheim ,  Maria Patricia Forcen Jimenez ,  Javier Nieves Remacha ,  Bernabe Quevedo Sanchez ,  Juan Justino Rodriguez Ordonez

IPC: C08G73/10 ,  B01F7/00 ,  C07C39/235 ,  C08F2/01 ,  C08F2/38 ,  C08L79/08

Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.

公开(公告)号：US20190256485A1

公开(公告)日：2019-08-22

申请号：US16271207

申请日：2019-02-08

Applicant: SABIC Global Technologies, B.V.

Inventor： Hariharan Ramalingam ,  Tarun Kumar Pal ,  Meerakani Mohamed Ali Sait ,  Thomas Link Guggenheim ,  Lioba Maria Kloppenburg

IPC: C07D307/80 ,  C08G73/10

Abstract: A process for the purification of an oxydiphthalic anhydride includes contacting a mixture of an oxydiphthalic anhydride and at least one of the corresponding oxydiphthalic diacid, a corresponding oxydiphthalic tetraacid, a halophthalic anhydride, and a catalyst with a solvent to provide a slurry. The solvent is capable of solubilizing the corresponding oxydiphthalic diacid, the corresponding oxydiphthalic tetraacid, the halophthalic anhydride, and the catalyst at a temperature of 15 to 50° C., and the oxydiphthalic anhydride is substantially insoluble in the solvent at this temperature. The oxydiphthalic anhydride can be isolated from the slurry. A purified oxydiphthalic anhydride and a polyetherimide prepared therefrom are also disclosed.

公开(公告)号：US20190031830A1

公开(公告)日：2019-01-31

申请号：US16073505

申请日：2017-01-26

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Link Guggenheim ,  Hendrich Chiong ,  Darlene Hope Nance ,  Bernabe Quevedo Sanchez ,  Carmen Rocio Misiego Arpa ,  Juan Justino Rodriguez Ordonez ,  Javier Nieves Remacha

IPC: C08G73/10 ,  C07D209/48 ,  C08K5/053

Abstract: A method is disclosed for the manufacture of a bis(phthalimide), and polyetherimides derived therefrom, by reacting a phthalic anhydride having the formula with an organic diamine having the formula H2N—R—NH2, in a solvent, at a temperature from 140° C. to 220° C., and a pressure from 0 psig to 100 psig, in the presence or absence of a phase transfer catalyst, to form a bis(phthalimide) having the formula wherein a polyetherimide polymer is added either before or after the imidization reaction, to produce a bis(phthalimide) composition having a percent solids content of 18% to 30%, which bis(phthalimide) composition has a viscosity of less than 4000 cP at a shear rate of less than 30 sec−1 and temperaturefrom 140° C. to 180° C. as measured in a spindle viscometer.

公开(公告)号：US11130843B2

公开(公告)日：2021-09-28

申请号：US16564619

申请日：2019-09-09

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Mani Raj Chaulagain ,  Thomas Link Guggenheim ,  Roy Ray Odle

IPC: C08G73/10

Abstract: A method of manufacture of a polyetherimide composition includes contacting a substituted phthalic anhydride and an organic diamine in the presence of diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing solvents at a temperature of greater than 130° C. to provide a bis(phthalimide) composition comprising diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing solvents and a bis(phthalimide); and polymerizing the bis(phthalimide) and an alkali metal salt of a dihydroxy aromatic compound in the presence of diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing to form a polyetherimide. The method does not require any catalyst either for the imidization or the polymerization.

公开(公告)号：US10793675B2

公开(公告)日：2020-10-06

申请号：US16302428

申请日：2017-05-23

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Link Guggenheim ,  Nitin Vilas Tople ,  Karthik Venkataraman

IPC: C08G73/00 ,  C08G73/10

Abstract: A method of making a polyetherimide comprises: combining a bisphenol A dianhydride, p-phenylene diamine and a halogenated aromatic solvent to form a reactant solution; heating the reactant solution to a temperature of 205° C. to 330° C. at a pressure sufficient to prevent boiling to afford a reaction solution; removing water from the reaction solution; maintaining the reaction solution at a temperature of 205° C. to 330° C. and a pressure sufficient to prevent boiling for 10 minutes to 5 hours to form a product mixture comprising the polyetherimide and solvent; and isolating the polyetherimide.

公开(公告)号：US10457778B2

公开(公告)日：2019-10-29

申请号：US15980180

申请日：2018-05-15

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Mani Raj Chaulagain ,  Thomas Link Guggenheim ,  Roy Ray Odle

IPC: C08G73/10

Abstract: A method of manufacture of a polyetherimide composition includes contacting a substituted phthalic anhydride and an organic diamine in the presence of diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing solvents at a temperature of greater than 130° C. to provide a bis(phthalimide) composition comprising diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing solvents and a bis(phthalimide); and polymerizing the bis(phthalimide) and an alkali metal salt of a dihydroxy aromatic compound in the presence of diphenyl sulfone, sulfolane, or a combination comprising at least one of the foregoing to form a polyetherimide. The method does not require any catalyst either for the imidization or the polymerization.

公开(公告)号：US20190248964A1

公开(公告)日：2019-08-15

申请号：US16342026

申请日：2017-10-20

Applicant: SABIC Global Technologies B.V.

Inventor： Viswanathan Kalyanaraman ,  Thomas Link Guggenheim

IPC: C08J3/14 ,  C08G73/10 ,  C08J3/11

CPC classification number: C08J3/14 ,  C08G73/1071 ,  C08G2250/00 ,  C08J3/11 ,  C08J2379/08

Abstract: A method of preparing polymer particles includes combining a polyetherimide and a solvent at a first temperature to provide a slurry, wherein the polyetherimide is not soluble in the solvent at the first temperature; heating the slurry to a second temperature and at a pressure effective to dissolve the polyetherimide in the solvent to provide a homogenous solution; cooling the homogenous solution to a third temperature to provide a dispersion including a plurality of polymer particles; and isolating the polymer particles. The polymer particles have a Dv90 particle size of less than or equal to 250 micrometers. Polymers powders prepared according to the method are also described herein, wherein the powder includes a plurality of semi-crystalline polymer particles having a Dv90 of less than or equal to 250 micrometers.