p-Hydroxy-benzaldehyd-sulfat | 3233-39-4

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 有机硫酸及其衍生物
• 英文名称: p-Hydroxy-benzaldehyd-sulfat
• 英文别名: (4-Formylphenyl) hydrogen sulfate
• CAS: 3233-39-4
• 化学式: C₇H₆O₅S
• 分子量: 202.188
• InChiKey: VQROQDIDXQDQLG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.4
• 重原子数：
  13
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  89
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  对羟基苯甲醛 生成 p-Hydroxy-benzaldehyd-sulfat
  参考文献：
  名称：

  SANO, AKIRA;NAKAO, IKKO;TAKITANI, SHOJI, ANAL. CHIM. ACTA, 234,(1990) N, C. 359-364

  摘要：

  DOI：

文献信息

• POLYVINYL ACETAL RESIN, SLURRY COMPOSITION PREPARED THEREFROM, CERAMIC GREEN SHEET, AND MULTILAYER CERAMIC CAPACITOR
  申请人：Kuraray Co., Ltd.

  公开号：EP2607390A1

  公开（公告）日：2013-06-26

  According to the present invention, provided is a polyvinyl acetal resin capable of obtaining a ceramic green sheet that has sufficient mechanical strength, in which the dimensional change in the storage of ceramic green sheet is small, and the delamination hardly occurs in the delipidation. The present invention relates to a polyvinyl acetal resin that has a degree of polymerization of 200 or more to 6000 or less, a content percentage of vinylester unit of 0.01 to 30 mol%, a degree of acetalization of 55 to 83 mol%, and a structural unit represented by Chemical formula (1): in a molecule.

  根据本发明，提供了一种聚乙烯醇缩醛树脂，它能够获得具有足够机械强度的陶瓷绿片，在陶瓷绿片的储存过程中尺寸变化小，在脱脂过程中几乎不发生分层。 本发明涉及一种聚乙烯醇缩醛树脂，其聚合度为 200 或以上至 6000 或以下，乙烯基酯单元含量百分比为 0.01 至 30 摩尔%，缩醛度为 55 至 83 摩尔%，结构单元由化学式（1）表示： 的结构单元。
• ALKYL-MODIFIED VINYL ACETAL POLYMER AND COMPOSITION
  申请人：Kuraray Co., Ltd.

  公开号：EP2692749A1

  公开（公告）日：2014-02-05

  Provided are a vinyl acetal polymer that has sufficient plasticity and solubility in an alcohol solvent, imparts low viscosity, stability, etc., to a solution thereof, is less likely to cause phase separation from other components, and allows for formation of a slurry superior in dispersibility of particles and thixotropic nature, as well as a sheet superior in strength and flexibility, and the like. An alkyl-modified vinyl acetal polymer obtained by subjecting an alkyl-modified vinyl alcohol polymer to acetalization, in which the alkyl-modified vinyl alcohol polymer comprises a monomer unit represented by the following general formula (I), and has a viscosity average degree of polymerization P of 150 or greater and 5,000 or less, a degree of saponification of 20 mol% or greater and 99.99 mol% or less, and a percentage of alkyl modification S with the monomer unit of 0.05 mol% or greater and 5 mol% or less.

  本发明提供了一种乙烯基缩醛聚合物，该聚合物在醇类溶剂中具有足够的可塑性和溶解性，可使其溶液具有低粘度和稳定性等，不易与其他成分发生相分离，并可形成在颗粒分散性和触变性方面更优越的浆料，以及在强度和柔韧性方面更优越的片材等。一种烷基改性乙烯基缩醛聚合物，通过对烷基改性乙烯基醇聚合物进行缩醛化而获得，其中烷基改性乙烯基醇聚合物包含由下式通式（I）表示的单体单元，其粘度平均聚合度 P 为 150 或以上、5000 或以下，皂化度为 20 摩尔％或以上、99.99 摩尔％或以下，烷基改性 S 与单体单元的百分比为 0.05 摩尔％或以上、5 摩尔％或以下。
• POLYOXYALKYLENE-MODIFIED VINYL ACETAL POLYMER, AND COMPOSITION COMPRISING SAME
  申请人：Kuraray Co., Ltd.

  公开号：EP2679610B1

  公开（公告）日：2015-09-16
• SLURRY COMPOSITION, CERAMIC GREEN SHEET, AND LAYERED CERAMIC CAPACITOR
  申请人：Kuraray Co., Ltd.

  公开号：EP2762463B1

  公开（公告）日：2016-05-25
• ALKYL-MODIFIED VINYL ACETAL POLYMER, AND COMPOSITION
  申请人：Kawagoe Masako

  公开号：US20140018488A1

  公开（公告）日：2014-01-16

  Provided are a vinyl acetal polymer that has sufficient plasticity and solubility in an alcohol solvent, imparts low viscosity, stability, etc., to a solution thereof, is less likely to cause phase separation from other components, and allows for formation of a slurry superior in dispersibility of particles and thixotropic nature, as well as a sheet superior in strength and flexibility, and the like. An alkyl-modified vinyl acetal polymer obtained by subjecting an alkyl-modified vinyl alcohol polymer to acetalization, in which the alkyl-modified vinyl alcohol polymer comprises a monomer unit represented by the following general formula (I), and has a viscosity average degree of polymerization P of 150 or greater and 5,000 or less, a degree of saponification of 20 mol % or greater and 99.99 mol % or less, and a percentage of alkyl modification S with the monomer unit of 0.05 mol % or greater and 5 mol % or less.