2,5-Diisopropyl-hydrochinon | 2349-75-9

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 异戊烯醇脂质
• 英文名称: 2,5-Diisopropyl-hydrochinon
• 英文别名: 2,5-Di(propan-2-yl)benzene-1,4-diol
• CAS: 2349-75-9
• 化学式: C₁₂H₁₈O₂
• 分子量: 194.274
• InChiKey: AMKFXDUNGJKVDE-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  40.5
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  3-硝基-4-亚硝基甲苯 、 2,5-Diisopropyl-hydrochinon 以24%的产率得到
  参考文献：
  名称：

  BELOV, V. V.;BURMISTROV, S. I.;BURMISTROV, K. S., YKP. XIM. ZH., 56,(1990) N, S. 521-524

  摘要：

  DOI：
• 作为产物：
  描述：

  对苯二酚 、 异丙醇 在 硫酸 作用下， 生成 2,5-Diisopropyl-hydrochinon
  参考文献：
  名称：

  Pospisil,J. et al., Collection of Czechoslovak Chemical Communications, 1966, vol. 31, p. 98 - 105

  摘要：

  DOI：

文献信息

• MODIFIER FOR AROMATIC POLYESTER AND AROMATIC POLYESTER RESIN COMPOSITION COMPRISING THE SAME
  申请人：TABATA Masayoshi

  公开号：US20110224343A1

  公开（公告）日：2011-09-15

  The present invention provides a modifier for aromatic polyesters which enhances the melt fluidity of aromatic polyesters without a significant decrease in the heat resistance of the aromatic polyesters, and an aromatic polyester resin composition including the modifier for aromatic polyesters. The present invention relates to a modifier for aromatic polyesters comprising polyhydric phenol residues and residues of aromatic polycarboxylic acid, acid halide or acid anhydride thereof, and the modifier comprises a material having a structure composed of a first residue selected from the group consisting of divalent residues represented by Formula (I): —Ar—W 1 x —Ar— and by Formula (II): —Ar—, the first residues being bonded to two identical or different second residues selected from the group consisting of monovalent residues represented by Formula (III): and monovalent residues represented by Formula (IV): —O—C(O)—R 7 —.

  本发明提供了一种用于芳香族聚酯的改性剂，可以增强芳香族聚酯的熔融流动性，而不明显降低芳香族聚酯的耐热性，以及包括该改性剂的芳香族聚酯树脂组合物。本发明涉及一种用于芳香族聚酯的改性剂，包括多羟基酚残基和芳香族多羧酸、酸卤或其酸酐残基，该改性剂包括具有以下结构的材料：第一残基，选择自由式(I)所代表的二价残基：—Ar—W1x—Ar—和自由式(II)所代表的：—Ar—，第一残基与选择自由式(III)所代表的单价残基：和自由式(IV)所代表的单价残基：—O—C(O)—R7—的两个相同或不同的第二残基结合。
• [EN] PROCESS FOR THE MONOALKYLATION OF DIHYDROXY AROMATIC COMPOUNDS<br/>[FR] PROCEDE DE MONOALKYLATION DE COMPOSES AROMATIQUES DIHYDROXY
  申请人：GEN ELECTRIC

  公开号：WO2005097721A1

  公开（公告）日：2005-10-20

  A continuous process comprising: contacting a mixture comprising dihydroxy aromatic compound, water and an alkylating agent with a catalyst system in the presence of a flowing carrier gas, to form a mono alkylated dihydroxy aromatic compound, wherein the catalyst system is obtained by the calcination of a catalyst precursor system comprising a metal oxide precursor, a transition metal element and a pore former.

  一个连续的过程，包括：在流动的载气存在下，将含有二羟基芳香化合物、水和烷基化剂的混合物与催化剂体系接触，形成单烷基化的二羟基芳香化合物，其中，催化剂体系是通过煅烧包括金属氧化物前体、过渡金属元素和孔形成剂的催化剂前体体系得到的。
• CROSSLINKABLE AROMATIC RESINS HAVING PROTONIC ACID GROUPS AND ION CONDUCTIVE POLYMER MEMBRANES BINDERS AND FUEL CELLS MADE BY USING THE SAME
  申请人：Mitsui Chemicals, Inc.

  公开号：EP1457511A1

  公开（公告）日：2004-09-15

  The invention provides a crosslinkable aromatic resin having a protonic acid group and a crosslinkable group, suitable for electrolytic membranes and binders used in fuel cells, etc., and electrolytic polymer membranes, binders and fuel cells using the resin. The crosslinkable aromatic resin has a crosslinkable group, which is not derived from the protonic acid group and can form a polymer network without any elimination component. This resin exhibits excellent ion conductivity, heat resistance, water resistance, adhesion property and low methanol permeability. Preferably, the crosslinkable group is composed of a C1 to C10 alkyl group directly bonded to the aromatic ring and a carbonyl group, or a carbon-carbon double bond or triple bond. The aromatic resins such as aromatic polyethers, aromatic polyamides, aromatic polyimides, aromatic polyamideimides, aromatic polyazoles, etc., which contain such a crosslinkable group, are preferred as the crosslinkable aromatic resins having a protonic acid group and a crosslinkable group.

  本发明提供了一种具有质子酸基团和可交联基团的可交联芳香族树脂，适用于燃料电池等中使用的电解膜和粘结剂，以及使用该树脂的电解聚合物膜、粘结剂和燃料电池。可交联芳香族树脂具有可交联基团，该基团并非来自质子酸基团，可形成聚合物网络，且不含任何消除成分。这种树脂具有优异的离子传导性、耐热性、耐水性、粘附性和低甲醇渗透性。可交联基团最好由直接键合在芳香环上的 C1 至 C10 烷基和羰基或碳碳双键或三键组成。芳香族树脂，如芳香族聚醚、芳香族聚酰胺、芳香族聚酰亚胺、芳香族聚酰胺酰亚胺、芳香族聚唑等，含有这样的可交联基团，作为具有质子酸基团和可交联基团的可交联芳香族树脂，是优选的。
• BINDER FOR FUEL CELL, COMPOSITION FOR ELECTRODE FORMATION, ELECTRODE, AND FUEL CELL USING THE ELECTRODE
  申请人：Mitsui Chemicals, Inc.

  公开号：EP1788649A1

  公开（公告）日：2007-05-23

  This invention provides a binder for a fuel cell which has high adhesion, low methanol solubility, high methanol permeability and high proton conductivity, a composition for electrode formation, an electrode for a fuel cell, and a fuel cell using them. The binder is particularly suitable for a binder for a direct methanol type fuel cell which requires high proton conductivity. The binder for a fuel cell comprises a block copolymer which comprises a block having a repeating structural unit of a divalent aromatic group that contains a protonic acid group and a block having a repeating structural unit of a divalent aromatic group that does not contain a protonic acid group, and which has a glass transition temperature (Tg) of 180 °C or less. In particular, it is preferable that the block copolymer has an ion exchange group equivalent of from 200 to 1,000 g/mole and a weight retention ratio of 90% or more as measured by immersion in a 64 weight % aqueous methanol solution at 25 °C for 24 hours.

  本发明提供了一种用于燃料电池的粘合剂，它具有高粘合力、低甲醇溶解度、高甲醇渗透性和高质子传导性，还提供了一种用于电极形成的组合物、一种燃料电池电极以及一种使用它们的燃料电池。这种粘结剂特别适用于要求高质子传导性的直接甲醇型燃料电池的粘结剂。 燃料电池用粘结剂由嵌段共聚物组成，嵌段共聚物包括具有二价芳香族重复结构单元的嵌段和具有二价芳香族重复结构单元的嵌段，前者含有质子酸基，后者不含质子酸基，且玻璃化转变温度（Tg）为 180 °C 或更低。具体而言，嵌段共聚物最好具有 200 至 1 000 克/摩尔的离子交换基团当量，以及 90%或更高的重量保持率（通过在 25 °C 下将其浸泡在 64 重量百分比的甲醇水溶液中 24 小时测得）。
• AROMATIC POLYESTER
  申请人：Muroran Institute of Technology

  公开号：EP2479203A1

  公开（公告）日：2012-07-25

  The present invention provides an aromatic polyester which is substantially free from the occurrence of coloration and retains significantly high transparency even after being thermally processed at high temperature and which has high flowability. The aromatic polyester contains a polyhydric phenol residue and a residue of any one of aromatic polycarboxylic acid, halide thereof, and anhydride thereof, and terminals of the aromatic polyester have a structure represented by the formula -C(O)-R. The aromatic polyester has an end-capping rate of 90% or higher and a weight average molecular weight (Mw) ranging from 3,000 to 1,000,000.

  本发明提供了一种芳香族聚酯，该聚酯基本上不会发生着色，即使在高温热加工后仍能保持明显的高透明度，并且具有高流动性。芳香族聚酯含有多羟基苯酚残留物和芳香族多羧酸、其卤化物和其酸酐中任意一种的残留物，芳香族聚酯的端基具有式 -C(O)-R 所代表的结构。芳香族聚酯的端盖率为 90% 或更高，重量平均分子量（Mw）为 3,000 至 1,000,000 之间。