公开(公告)号：US20190112420A1

公开(公告)日：2019-04-18

申请号：US16096502

申请日：2017-04-28

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： TONY FARRELL ,  PAUL DEAN SYBERT ,  JAMES ALAN MAHOOD

IPC: C08G63/64 ,  C08K5/13

CPC classification number: C08G63/64 ,  C08K5/13

Abstract: A poly(ester-carbonate) copolymer comprises carbonate units of the formula (I); and ester units of the formula (II) wherein: T is a C2-20 alkylene, a C6-20 cycloalkylene, or a C6-20 arylene; and R1 and J are each independently (a) a bisphenol A divalent group and (b) a C16 or higher divalent group (b), wherein the C16 or higher divalent group is present in an amount of 40 to 50 mol %; the ester units are present in an amount of 40 to 60 mol %; the poly(ester-carbonate) copolymer has a weight average molecular weight of 18,000 to 24,000 Daltons; and a sample of the composition has a glass transition temperature of 210° C. to 235° C. as determined by differential scanning calorimetry (DSC) as per ASTM D3418 with a 20° C./min heating rate; and a melt viscosity of less than 1050 Pa-s at 644 sec-1 and 350° C., determined according to ISO 11443.

公开(公告)号：US20190153217A1

公开(公告)日：2019-05-23

申请号：US16099939

申请日：2017-05-10

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： JAMES ALAN MAHOOD ,  FATIME N. MILANDOU ,  MATTHEW FRANK NIEMEYER ,  NEAL PFEIFFENBERGER

IPC: C08L69/00 ,  C08J5/18 ,  H01G4/32 ,  H01G4/18

Abstract: A film including 70 to 99 weight percent of an amorphous, high heat copolycarbonate having a glass transition temperature of at least 170° C., preferably 170 to 230° C., more preferably 175 to 200° C., and 1 to 30 weight percent of a cyclic olefin copolymer each based on the total weight of polymers in the film; wherein the film has a dielectric breakdown strength of greater than 700 Volts/micrometer, preferably 700 to 1250 Volts/micrometer at 150° C., is provided. Methods for the manufacture of the film and articles including the films are provided.

公开(公告)号：US20190127574A1

公开(公告)日：2019-05-02

申请号：US16095557

申请日：2017-04-28

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： TONY FARRELL ,  PAUL DEAN SYBERT ,  JAMES ALAN MAHOOD

IPC: C08L69/00 ,  C08G63/64

Abstract: A poly(ester-carbonate) copolymer comprises carbonate units of the formula (I); and ester units of the formula (II) wherein: T is a C2-20 alkylene, a C6-20 cycloalkylene, or a C6-20 arylene; and R1 and J are each independently a bisphenol A divalent group and a phthalimidine divalent group, provided that the phthalimidine divalent group is present in an amount of 40 to 50 mol % based on the total moles of the bisphenol A divalent groups and the C 1/2 divalent group, and the ester units are present in an amount of 40 to 60 mol % based on the sum of the moles of the carbonate units and the ester units; and wherein the poly(ester-carbonate) copolymer has a weight average molecular weight of 18,000 to 24,000 Daltons; and the composition has a Tg of 210 to 235° C. and a melt viscosity of less than 1050 Pa-s at 644 sec−1 and 350° C.

公开(公告)号：US20160180985A1

公开(公告)日：2016-06-23

申请号：US15055059

申请日：2016-02-26

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： NORBERTO SILVI ,  QIN CHEN ,  GARY STEPHEN BALCH ,  JAMES ALAN MAHOOD

IPC: H01B3/42 ,  C08J5/18

CPC classification number: H01B3/426 ,  C08J5/18 ,  C08J2369/00 ,  H01G4/008 ,  H01G4/18 ,  H01G4/32 ,  Y10T428/24355

Abstract: A film comprising a copolycarbonate, wherein the film is a uniaxially-stretched, extruded film comprising at least one film region having: an average thickness of more than 0 and less than 14 micrometers with a standard deviation of 0.8 micrometer to 1.6 micrometers, a surface having a surface roughness average of less than 0.04 micrometer as measured by optical profilometry, a dielectric constant at 1 kHz and room temperature of at least 2.7, a dissipation factor at 1 kHz and room temperature of 1% or less, and a breakdown strength of at least 620 Volt/micrometer; and the copolycarbonate has a Tg of greater than 180° C. and comprises carbonate units derived from a bisphenol compound of the formula (3).

Abstract translation: 一种包含共聚碳酸酯的膜，其中所述膜是单轴拉伸的挤出膜，其包含至少一个膜区域，其平均厚度大于0且小于14微米，标准偏差为0.8微米至1.6微米，表面 通过光学轮廓测定法测量的表面粗糙度平均值小于0.04微米，介电常数在1kHz，室温至少为2.7，1kHz的损耗因数和室温为1％以下，击穿强度为 至少620伏/微米; 并且共聚碳酸酯的Tg大于180℃，并且包含衍生自式（3）的双酚化合物的碳酸酯单元。