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    POLYSILOXANE POLYMER
    8.
    发明公开
    POLYSILOXANE POLYMER 审中-公开

    公开(公告)号：US20230407115A1

    公开(公告)日：2023-12-21

    申请号：US18032232

    申请日：2021-11-05

    申请人： BYK-Chemie GmbH

    发明人： Wolfgang Griesel ,  Guillaume Wojciech Jaunky

    IPC分类号： C09D7/65 ,  C08G77/12 ,  C08G77/46 ,  C08G77/08 ,  C08G65/00

    CPC分类号： C09D7/65 ,  C08G77/12 ,  C08G65/002 ,  C08G77/08 ,  C08G77/46

    摘要： The invention relates to the use of a polymer for improving the clean-ability of a surface coating or for reducing the dirt pick up of a surface coating, wherein the polymer is a a non-crosslinked polymer having a polymer main chain comprising i) polysiloxane segments comprising repeating units of the formula (I) wherein R 1 independent of each occurrence represents a hydrocarbyl group and n is an integer in the range of 6 to 150, and ii) non-polysiloxane segments having at least one functional group comprising at least one of hydroxyl group, acryloyl group, methacryloyl group, acetyl group, urethane group, and methyl ether group, wherein the number of links between non-polysiloxane segments and polysiloxane segments in the polymer is less than 9.5%, calculated on the average number of silicon atoms per polysiloxane segment, and wherein at least one non-polysiloxane segment is located between two polysiloxane segments.

    AMPHIPHILIC BLOCK COPOLYMER
    9.
    发明申请
    AMPHIPHILIC BLOCK COPOLYMER 有权

    公开(公告)号：US20230095096A1

    公开(公告)日：2023-03-30

    申请号：US17798920

    申请日：2021-03-04

    申请人： BYK-Chemie GmbH

    发明人： Daniel Leibig ,  Holger Frey ,  Patrick Verkoyen ,  Astrid Rudolfi ,  Udo Krappe ,  Jan Blankenburg ,  Guillaume Wojciech Jaunky

    IPC分类号： C08F283/06 ,  C08G65/08 ,  C08G65/24 ,  C08G65/26 ,  C09D7/65 ,  C09D17/00

    摘要： The invention relates to block copolymer comprising i) A first block wherein at least 65 mol-% of the repeating units of the first block are repeating units of the formula (I)—[CH2—CH2—O]—, ii) A second block wherein at least 90 mol-% of the repeating units of the second block are repeating units of at least one of formulae (II) or (III), wherein the groups R1, R2, and R3 independent of each occurrence are selected from hydrocarbyl groups having 1 to 40 carbon atoms, which are optionally substituted by ether or hydroxyl groups, and wherein the groups R1 and R2 are optionally linked to each other such that a nitrogen heterocyclic structure is present, iii) A third block which is different from the first block and the second block and which is more hydrophobic than the first block.