FLUORINATED POLYMER AND USE THEREOF IN THE PREPARATION OF HYDROPHILIC MEMBRANES (VI)
    1.
    发明申请
    FLUORINATED POLYMER AND USE THEREOF IN THE PREPARATION OF HYDROPHILIC MEMBRANES (VI) 有权
    氟化聚合物及其在制备水解膜中的应用(六)

    公开(公告)号:US20150375181A1

    公开(公告)日:2015-12-31

    申请号:US14320454

    申请日:2014-06-30

    申请人: PALL CORPORATION

    IPC分类号: B01D71/66 B01D71/32 C08G75/00

    摘要: Disclosed is a fluorinated polymer of the formula: R—S—P, wherein R is a fluorocarbyl group, S is sulfur, and P is: (i) polyglycerol; (ii) poly(allyl glycidyl ether); (iii) a copolymer of glycidol and allyl glycidyl ether, the copolymer having one or more allyl groups; or (iv) poly(allyl glycidyl ether) or copolymer of glycidol and allyl glycidyl ether, wherein one more of the allyl groups have been replaced with a functional group as described herein. Also disclosed is a method of preparing the fluorinated polymer. The fluorinated polymer finds use in improving the hydrophilicity of porous hydrophobic membranes such as PTFE and PVDF.

    摘要翻译: 公开了下式的氟化聚合物:R-S-P,其中R是氟碳基,S是硫,P是:(i)聚甘油; (ii)聚(烯丙基缩水甘油醚); (iii)缩水甘油和烯丙基缩水甘油醚的共聚物,所述共聚物具有一个或多个烯丙基; 或(iv)聚(烯丙基缩水甘油醚)或缩水甘油和烯丙基缩水甘油醚的共聚物,其中还有一个烯丙基被如本文所述的官能团替代。 还公开了制备氟化聚合物的方法。 氟化聚合物可用于改善多孔疏水膜如PTFE和PVDF的亲水性。

    HYDROPHILIC BLOCK COPOLYMERS AND METHOD OF PREPARATION THEREOF (III)
    2.
    发明申请
    HYDROPHILIC BLOCK COPOLYMERS AND METHOD OF PREPARATION THEREOF (III) 有权
    亲水嵌段共聚物及其制备方法(三)

    公开(公告)号:US20150376342A1

    公开(公告)日:2015-12-31

    申请号:US14320400

    申请日:2014-06-30

    申请人: PALL CORPORATION

    IPC分类号: C08G75/23

    摘要: Disclosed are block copolymers suitable for preparing hydrophilic porous membranes, wherein the block copolymers are of the formula: A-B-A (I) and A-B (II), wherein block A is (i) a copolymer of glycidol and allyl glycidyl ether, the copolymer having one or more allyl groups; or (ii) a copolymer of glycidol and allyl glycidyl ether, wherein one or more of the allyl groups of the copolymer have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH2)a—S—(CH2)b—X, wherein a, b, and X are as defined herein, and block B is an aromatic hydrophobic polymeric segment, for example, polyethersulfone. Also disclosed is a method of preparing such block copolymers.

    摘要翻译: 公开了适用于制备亲水性多孔膜的嵌段共聚物,其中嵌段共聚物具有下式:ABA(I)和AB(II),其中嵌段A是(i)缩水甘油和烯丙基缩水甘油醚的共聚物,共聚物具有一个 或更多烯丙基; 或(ii)缩水甘油和烯丙基缩水甘油醚的共聚物,其中共聚物的一个或多个烯丙基已被1,2-二羟丙基或下式所示的基团取代: - (CH 2)a -S-( CH2)b-X,其中a,b和X如本文所定义,并且嵌段B是芳族疏水性聚合物链段,例如聚醚砜。 还公开了制备这种嵌段共聚物的方法。

    HYDROPHILIC BLOCK COPOLYMERS AND MEMBRANES PREPARED THEREFROM (II)
    3.
    发明申请
    HYDROPHILIC BLOCK COPOLYMERS AND MEMBRANES PREPARED THEREFROM (II) 有权
    亲水性嵌段共聚物及其制备的膜(II)

    公开(公告)号:US20150376341A1

    公开(公告)日:2015-12-31

    申请号:US14320376

    申请日:2014-06-30

    申请人: PALL CORPORATION

    IPC分类号: C08G75/23 C08J9/00

    摘要: Disclosed is a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is: (i) a polymer of allyl glycidyl ether or (ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH2)a—S—(CH2)b—X, wherein a, b, and X are defined herein. The block copolymers find use as wetting agents in the preparation of porous membranes from aromatic hydrophobic polymers such as polyethersulfone. Also disclosed are methods of preparing such block copolymers and porous membranes therefrom.

    摘要翻译: 公开了下式的嵌段共聚物:ABA(I)或AB(II),其中嵌段A为:(ⅰ)烯丙基缩水甘油醚的聚合物或(ⅱ)烯丙基缩水甘油醚的聚合物,其中还有一个烯丙基 已被1,2-二羟基丙基或下式的基团取代: - (CH 2)a -S-(CH 2)b -X,其中a,b和X如本文所定义。 嵌段共聚物可用作由芳族疏水聚合物如聚醚砜制备多孔膜的润湿剂。 还公开了从其制备这种嵌段共聚物和多孔膜的方法。

    HYDROPHILIC MEMBRANES AND METHOD OF PREPARATION THEREOF (IV)
    4.
    发明申请
    HYDROPHILIC MEMBRANES AND METHOD OF PREPARATION THEREOF (IV) 有权
    疏水膜及其制备方法(四)

    公开(公告)号:US20150376364A1

    公开(公告)日:2015-12-31

    申请号:US14320415

    申请日:2014-06-30

    申请人: Pall Corporation

    IPC分类号: C08J9/28

    摘要: Disclosed is a hydrophilic porous membrane comprising a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is (i) a copolymer of glycidol and allyl glycidyl ether, the copolymer having one or more allyl groups; or (ii) a copolymer of glycidol and allyl glycidyl ether, wherein one or more of the allyl groups of the copolymer have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH2)a—S—(CH2)b—X, wherein a, b, and X are as defined herein, and block B is an aromatic hydrophobic polymeric segment, for example, polyethersulfone. Also disclosure is a method of preparing such porous membranes.

    摘要翻译: 公开了一种亲水性多孔膜,其包含下式的嵌段共聚物:A-B-A(I)或A-B(II),其中嵌段A为(i)缩水甘油与烯丙基缩水甘油醚的共聚物,该共聚物具有一个或多个烯丙基; 或(ii)缩水甘油和烯丙基缩水甘油醚的共聚物,其中共聚物的一个或多个烯丙基已被1,2-二羟丙基或下式所示的基团取代: - (CH 2)a -S-( CH2)b-X,其中a,b和X如本文所定义,并且嵌段B是芳族疏水性聚合物链段,例如聚醚砜。 还公开了制备这种多孔膜的方法。