Maleic anhydride methacrylic acid

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氢呋喃
• 英文名称: Maleic anhydride methacrylic acid
• 英文别名: furan-2,5-dione;2-methylprop-2-enoic acid
• 化学式: C8H8O5
• 分子量: 184.15
• InChiKey: NVFYKZBOLSIHEI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.27
• 重原子数：
  13
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  80.7
• 氢给体数：
  1
• 氢受体数：
  5

文献信息

• Semipermeable composite membrane, process for producing said membrane, and method of desalination using said membrane
  申请人：TEIJIN LIMITED

  公开号：EP0008945A2

  公开（公告）日：1980-03-19

  A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of a microporous substrate, said polymeric material being prepared by crosslinking a soluble polymer containing at least 30 mole % of a recurring unit of the formula wherein all symbols are as defined in claim 1 and having at least 0.2 milliequivalent, per gram of said polymer, of an amino group containing 1 to 2 active hydrogen atoms, with a polyfunctional compound containing at least two functional groups capable of reacting with the amino group having or 2 active hydrogen atoms; and a process for preparing the same The semipermeable composite membrane of this invention is especially useful for desalination of saline or brackish water by reverse osmosis. The membrane has good selective permeability characteristics and good chemical resistance and thermal stability.

  一种半透复合膜，包括沉积在微孔基底一侧的聚合材料半透薄膜，所述聚合材料是通过交联含有至少 30 摩尔%的式中循环单元的可溶性聚合物制备的。 其中所有符号均如权利要求 1 所定义，且每克所述聚合物至少有 0.2 毫当量的含 1 至 2 个活泼氢原子的氨基的多官能团化合物，该化合物至少含有两个能与含 2 个活泼氢原子的氨基反应的官能团；以及制备该聚合物的工艺。 本发明的半透复合膜特别适用于通过反渗透法对盐水或苦咸水进行脱盐。该膜具有良好的选择渗透性、耐化学性和热稳定性。
• Maleinsäureanhydridcopolymerisate und ihre Herstellung
  申请人：BAYER AG

  公开号：EP0052274A2

  公开（公告）日：1982-05-26

  Maleinsäureanhydridcopolymerisate, insbesondere mit (Meth)Acrylsäure oder deren Derivaten, werden vorteilhaft durch radikalische Polymerisation in der Maleinsäureanhydrid-Schmelze hergestellt.

  顺丁烯二酸酐共聚物，特别是与（甲基）丙烯酸或其衍生物的共聚物，可以通过在顺丁烯二酸酐熔体中进行自由基聚合来制备。
• Prespotter laundry detergent
  申请人：S.C. JOHNSON & SON, INC.

  公开号：EP0237075A2

  公开（公告）日：1987-09-16

  A heavy duty clear liquid built detergent composition. The composition comprises at least one nonionic surfactant builders, a water soluble poly­meric anionic hydrotrope and water wherein the compo­sition has a pH in the range of from 6 to 9.

  一种重型透明液体内置洗涤剂组合物。 该组合物由至少一种非离子表面活性剂构建剂、一种水溶性聚合物阴离子水溶液和水组成，其中组合物的 pH 值在 6 到 9 之间。
• Bisguanidines containing pharmaceutical compositions
  申请人：Blank, Izhak

  公开号：EP0763357A1

  公开（公告）日：1997-03-19

  Composition for the treatment of gingivitis and other afflictions of the oral cavity, as well as for the reduction of dental plaque. These are in the form of gels, solutions or similar forms which comprise a therapeutically active agent in a polymeric carrier which contains a solvent. The nature of the preparation is such that when these are applied to an aqueous environment of the oral cavity, the polymer and the active agent precipitate and form a coating.

  用于治疗牙龈炎和其他口腔疾病以及减少牙菌斑的组合物。这些制剂采用凝胶、溶液或类似形式，在含有溶剂的聚合物载体中含有治疗活性剂。这种制剂的特性是，当这些制剂用于口腔的水环境中时，聚合物和活性剂会沉淀并形成涂层。
• Polyolefin lubricant systems and polymer composites containing such lubricants
  申请人：BEATRICE FOODS CO.

  公开号：EP0124955B1

  公开（公告）日：1988-01-20