POLYCARBONATE RESIN AND TRANSPARENT FILM COMPRISING THE SAME
    3.
    发明申请
    POLYCARBONATE RESIN AND TRANSPARENT FILM COMPRISING THE SAME 有权
    聚碳酸酯树脂和包含它的透明膜

    公开(公告)号:US20140073757A1

    公开(公告)日:2014-03-13

    申请号:US14077768

    申请日:2013-11-12

    IPC分类号: C08G64/16

    摘要: The polycarbonate resin of the present invention comprises a structural unit derived from a dihydroxy compound represented by a specific formula (1), a structural unit derived from a dihydroxy compound represented by a specific formula (2), and a structural unit derived from a dihydroxy compound represented by any one of specific formulae (3) to (6), wherein the content of structural units derived from dihydroxy compounds represented by the specific formulae (3) to (6) is within a specific range based on the total of structural units derived from dihydroxy compounds in the polycarbonate resin.

    摘要翻译: 本发明的聚碳酸酯树脂包含衍生自由特定式(1)表示的二羟基化合物的结构单元,由特定式(2)表示的二羟基化合物衍生的结构单元和由二羟基 由具体式(3)至(6)中任一项所示的化合物,其中由具体式(3)至(6)表示的二羟基化合物衍生的结构单元的含量基于结构单元的总和在特定范围内 衍生自聚碳酸酯树脂中的二羟基化合物。

    POLYCARBONATE RESIN COMPOSITION
    4.
    发明申请
    POLYCARBONATE RESIN COMPOSITION 有权
    聚碳酸酯树脂组合物

    公开(公告)号:US20130331527A1

    公开(公告)日:2013-12-12

    申请号:US13970205

    申请日:2013-08-19

    IPC分类号: C08L69/00

    摘要: A polycarbonate resin composition (X), comprises: (A) a polycarbonate resin containing (a) a structural unit derived from a dihydroxy compound having a moiety represented by the following formula (1) in a part of a structure; and (B) an aromatic polycarbonate resin, wherein a reduced viscosity of the aromatic polycarbonate resin (B) is 0.55 dl/g or less, a proportion of the aromatic polycarbonate resin (B) in the polycarbonate resin composition (X) is 30 wt % or more, and a total light transmittance of the polycarbonate resin composition (X) is 90% or less: CH2—O  (1).

    摘要翻译: 聚碳酸酯树脂组合物(X)包括:(A)一部分结构中含有(a)具有由下式(1)表示的部分的二羟基化合物的结构单元的聚碳酸酯树脂; 和(B)芳族聚碳酸酯树脂,其中芳族聚碳酸酯树脂(B)的比浓粘度为0.55dl / g以下,聚碳酸酯树脂组合物(X)中的芳香族聚碳酸酯树脂(B)的比例为30重量% %以上,聚碳酸酯树脂组合物(X)的总透光率为90%以下:(1)。

    POLYCARBONATE RESIN COMPOSITION
    6.
    发明公开

    公开(公告)号:US20240279394A1

    公开(公告)日:2024-08-22

    申请号:US18639048

    申请日:2024-04-18

    摘要: A polycarbonate resin composition including a carbonate structural unit (X) derived from an aromatic dihydroxy compound represented by the following formula (1), a carbonate structural unit (Y) derived from an aromatic dihydroxy compound represented by the following formula (2), and a carbonate structural unit (Z) derived from an aromatic dihydroxy compound represented by the following formula (3). A molar ratio of the content of the carbonate structural unit (Y) to the carbonate structural unit (X) is 0.65 or more, and the content of the carbonate structural units (Y) in 100 mol % of all carbonate structural units of the polycarbonate resin composition is 49 mol % or less.




    (R1 and R2 represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group. R1 and R2 may be bonded to each other to form a ring)




    (W represents —O—, —S—, —SO2—, or —CR3R4—. R3 and R4 represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group. R3 and R4 may be bonded to each other to form a ring)

    THERMOPLASTIC RESIN COMPOSITION AND FORMED PRODUCT

    公开(公告)号:US20220195114A1

    公开(公告)日:2022-06-23

    申请号:US17682008

    申请日:2022-02-28

    IPC分类号: C08G64/06

    摘要: A formed product produced by using a thermoplastic resin composition comprising a polycarbonate resin with a repeating unit (A) represented by the following general formula (1) and a repeating unit (B) represented by the following general formula (2). R1 and R2 independently denote a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group. The alkyl groups in R1 and R2 may be bonded together to form a ring. R3 and R4 independently denote a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms or a substituted or unsubstituted aryl group. X denotes a single bond or a divalent organic group represented by the following general formula (3). R6 to R9 independently denote a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms or a substituted or unsubstituted aryl group. R5 denotes a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group.

    POLYCARBONATE RESIN AND TRANSPARENT FILM COMPRISING THE SAME
    9.
    发明申请
    POLYCARBONATE RESIN AND TRANSPARENT FILM COMPRISING THE SAME 审中-公开
    聚碳酸酯树脂和包含它的透明膜

    公开(公告)号:US20150141577A1

    公开(公告)日:2015-05-21

    申请号:US14610470

    申请日:2015-01-30

    IPC分类号: C08J5/18 G02B1/04

    摘要: The present invention relates to a transparent film obtained by molding a polycarbonate resin composition comprising a specific weight of (A) a polycarbonate resin containing (a) a specific structural unit and (b) a specific structural unit, and a specific weight of (B) a resin having a composition different from that of the polycarbonate resin (A), with a specific absolute value of the difference in the glass transition temperature between the resin (B) and the polycarbonate resin (A) and a specific absolute value of the difference in the refractive index, wherein in the transparent film, the ratio of the retardation measured at a wavelength of 450 nm to the retardation measured at a wavelength of 550 nm satisfies a specific formula.

    摘要翻译: 本发明涉及通过模塑聚碳酸酯树脂组合物而获得的透明膜,所述聚碳酸酯树脂组合物包含(A)包含(a)特定结构单元和(b)特定结构单元的聚碳酸酯树脂的比重和(B )具有不同于聚碳酸酯树脂(A)的组成的树脂,树脂(B)和聚碳酸酯树脂(A)之间的玻璃化转变温度的差异的具体绝对值和 折射率的差异,其中在透明膜中,在波长450nm处测量的延迟与在波长550nm处测量的延迟的比率满足具体公式。

    PRODUCTION METHOD OF POLYCARBONATE RESIN
    10.
    发明申请
    PRODUCTION METHOD OF POLYCARBONATE RESIN 有权
    聚碳酸酯树脂的生产方法

    公开(公告)号:US20140030505A1

    公开(公告)日:2014-01-30

    申请号:US14041397

    申请日:2013-09-30

    IPC分类号: C08G64/08 C08G64/38

    摘要: The present invention is a method for producing a polycarbonate resin, comprising performing polycondensation through a transesterification reaction by using a catalyst and using a dihydroxy compound and a carbonic acid diester as raw material monomers, and feeding the produced polycarbonate resin to an extruder, wherein the dihydroxy compound contains at least a dihydroxy compound having a moiety represented by formula (1) in a part of the structure, the dihydroxy compound having a moiety represented by formula (1) contains a compound having a cyclic ether structure, and the temperature at the time of feeding the polycarbonate resin to the extruder is from 180° C. to less than 250° C., with the proviso excluding the case where the moiety represented by formula (1) is a part of —CH2—O—H. CH2—O  (1)

    摘要翻译: 本发明是一种聚碳酸酯树脂的制造方法,其特征在于,通过使用催化剂通过酯交换反应进行缩聚,使用二羟基化合物和碳酸二酯作为原料单体,将所生产的聚碳酸酯树脂进料到挤出机中,其中, 二羟基化合物在结构部分中至少含有具有式(1)表示的部分的二羟基化合物,具有式(1)表示的部分的二羟基化合物含有具有环醚结构的化合物, 将聚碳酸酯树脂供给到挤出机的时间为180℃至小于250℃,条件是不包括由式(1)表示的部分是-CH 2 -OH的一部分的情况。 CH2-O(1)