公开(公告)号：US20190177482A1

公开(公告)日：2019-06-13

申请号：US16321914

申请日：2017-08-01

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Viswanathan Kalyanaraman ,  Norimitsu Yamaguchi

IPC: C08G73/10 ,  C08J5/24

Abstract: A method for manufacturing a poly(imide) prepolymer powder includes combining a bisanhydride powder or organic diamine and a solvent comprising an alcohol, a water-soluble ketone or water to form a mixture, adding an organic diamine or bisanhydride powder to the mixture to form a poly(imide) prepolymer, and removing the solvent to provide the poly(imide) prepolymer powder. A method for manufacturing a poly(imide) prepolymer varnish includes combining a bisanhydride powder or organic diamine and a solvent comprising an alcohol, a water-soluble ketone or water to form a mixture, and adding an organic diamine or bisanhydride powder to the mixture to form a poly(imide) prepolymer. The method of manufacturing the varnish further includes at least one of adding an effective amount of a secondary or tertiary amine to solubilize the poly(imide) prepolymer powder, heating the mixture to a temperature effective to provide the varnish, or agitating the mixture to provide the varnish. The poly(imide) prepolymer powder and varnish can have a residual organic diamine content of less than or equal to 1000 ppm. A poly(imide) polymer prepared from the prepolymer powder or varnish is also disclosed.

公开(公告)号：US11926733B2

公开(公告)日：2024-03-12

申请号：US16971398

申请日：2019-02-21

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Paul Dean Sybert ,  Norimitsu Yamaguchi ,  Jacob Lee Oberholtzer ,  James Alan Mahood

IPC: C08L69/00 ,  C08G73/10 ,  C08K5/00 ,  C08K5/3417 ,  C08K5/42 ,  C08L79/08

CPC classification number: C08L69/005 ,  C08G73/1071 ,  C08K5/0066 ,  C08K5/3417 ,  C08K5/42 ,  C08L79/08 ,  C08L2201/10 ,  C08L2205/025 ,  C08L2205/03

Abstract: A polymer blend including 5 to 95 weight percent of a poly(ester-carbonate-carbonate) comprising 40 to 95 mole percent of ester units comprising low heat bisphenol groups and high heat bisphenol groups, wherein the ester units comprise 20 to 80 mole percent of the low heat bisphenol groups and 20 to 80 mole percent of the high heat bisphenol groups, based on the total moles of ester units in the poly(ester-carbonate-carbonate), and 5 to 60 mole percent of carbonate units comprising the low heat bisphenol groups and the high heat bisphenol groups, wherein the carbonate units comprise 20 to 80 mole percent of the low heat bisphenol groups and 20 to 80 mole percent of the high heat bisphenol groups, based on the total moles of carbonate units in the poly(ester-carbonate-carbonate); and 5 to 95 weight percent of a poly(etherimide), wherein the weight percent of each polymer is based on the total weight of the polymers in the blend, and a molded 0.125-inch thick ASTM tensile bar comprising the polymer blend has a haze value of less than 25% as determined according to ASTM D1003 using the color space CIE1931 with Illuminant C and a 2° observer.