ANTIMICROBIAL HYDROGELS, METHODS OF PREPARATION THEREOF, AND ARTICLES THEREFROM
    129.
    发明申请
    ANTIMICROBIAL HYDROGELS, METHODS OF PREPARATION THEREOF, AND ARTICLES THEREFROM 有权
    抗微生物水凝胶,其制备方法及其制品

    公开(公告)号:US20120231060A1

    公开(公告)日:2012-09-13

    申请号:US13213555

    申请日:2011-08-19

    摘要: A covalently crosslinked hydrogel comprises a) three or more divalent poly(alkylene oxide) chains P′ covalently linked at respective first end units to a branched first core group C′, b) three or more divalent poly(alkylene oxide) chains P″ covalently linked at respective first end units to a branched second core group C″, the chains P″ comprising respective second end units which are covalently linked to between 0% and 100% of respective second end units of chains P′ by divalent linking groups L″, and c) at least one pendant cationic block copolymer chain A′-B′. A′-B′ comprises i) a divalent block A′ comprising a poly(alkylene oxide) backbone chain having an end unit covalently linked to a second end unit of one of the chains P′ by a divalent linking group L′, and ii) a monovalent block B′ comprising a first repeat unit, the first repeat unit comprising a backbone carbonate group and a cationic side chain group.

    摘要翻译: 共价交联的水凝胶包含a)在相应的第一端单元共价连接到支化的第一核心基团C'上的三个或更多个二价聚(环氧烷)链P',b)共价地三个或更多个二价聚(环氧烷)链P' 在相应的第一末端单元连接到支化的第二核心基团C“,链P”包括各自的第二末端单元,其通过二价连接基团L“共价连接到链P'的相应的第二末端单元的0%和100%之间 ,和c)至少一个阳离子嵌段共聚物链A'-B'。 A'-B'包括:i)包含聚(环氧烷)主链的二价嵌段A',其具有通过二价连接基团L'与链P'之一共价连接的末端单元,ii )包含第一重复单元的单价嵌段B',所述​​第一重复单元包含骨架碳酸酯基团和阳离子侧链基团。

    METHOD OF PREPARING CYCLIC CARBONATES, CYCLIC CARBAMATES, CYCLIC UREAS, CYCLIC THIOCARBONATES, CYCLIC THIOCARBAMATES, AND CYCLIC DITHIOCARBONATES
    130.
    发明申请
    METHOD OF PREPARING CYCLIC CARBONATES, CYCLIC CARBAMATES, CYCLIC UREAS, CYCLIC THIOCARBONATES, CYCLIC THIOCARBAMATES, AND CYCLIC DITHIOCARBONATES 有权
    制备循环碳酸盐,循环碳酸盐,循环尿素,环状硫代碳酸盐,环状硫代碳酸盐和环状二碳酸酯的方法

    公开(公告)号:US20120202993A1

    公开(公告)日:2012-08-09

    申请号:US13451225

    申请日:2012-04-19

    IPC分类号: C07D319/06 C07D265/06

    摘要: A method of preparing a cyclic monomer, comprising: forming a first mixture comprising a precursor compound, bis(pentafluorophenyl)carbonate, and a catalyst; wherein the precursor compound has a structure comprising a) two or more carbons, and b) two functional groups selected from the group consisting of primary amine, secondary amine, thiol group, hydroxyl group, and combinations thereof; and agitating the first mixture at a temperature effective to form a second mixture comprising the cyclic monomer, the cyclic monomer selected from the group consisting of a cyclic carbonate, a cyclic carbamate, a cyclic urea, a cyclic thiocarbonate, a cyclic thiocarbamate, and a cyclic dithiocarbonate.

    摘要翻译: 一种制备环状单体的方法,包括:形成包含前体化合物,双(五氟苯基)碳酸酯和催化剂的第一混合物; 其中所述前体化合物具有包含a)两个或更多个碳的结构,和b)选自伯胺,仲胺,硫醇基,羟基及其组合的两个官能团; 并在有效形成包含环状单体的第二混合物的温度下搅拌第一混合物,所述环状单体选自环状碳酸酯,环状氨基甲酸酯,环状脲,环状硫代碳酸酯,环状硫代氨基甲酸酯和 环状二硫代碳酸酯。