5-Methyl-cyclohexen-(2)-dion-(1,4) | 21428-34-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 5-Methyl-cyclohexen-(2)-dion-(1,4)
• 英文别名: 2-methyl-benzene-1,4-diol; diketo tautomer；5-methyl-cyclohex-2-ene-1,4-dione；5-Methyl-2-cyclohexene-1,4-dione；5-methylcyclohex-2-ene-1,4-dione
• CAS: 21428-34-2
• 化学式: C₇H₈O₂
• 分子量: 124.139
• InChiKey: GMRGZEZAZUUZDQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.3
• 重原子数：
  9
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.43
• 拓扑面积：
  34.1
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• Liquid crystal polymers
  申请人：Benicewicz Brian

  公开号：US20060293490A1

  公开（公告）日：2006-12-28

  Liquid crystal polyester derived from phenylene-naphthalene monomers and one or more comonomers display an improved balance of properties, including low melt viscosity, fast cycle time in molding, very low mold shrinkage, high tensile and/or flexural strength, solvent resistance, excellent barrier properties, low water absorption, low thermal expansion coefficient, excellent thermostability, and/or low flammability. The phenylene-naphthalene monomers are The one or more comonomers include 4-hydroxybenzoic acid, 2-hydroxy-6-naphthoic acid, terephthalic acid, isophthalic acid, and derivatives and combinations thereof.

  来源于苯并萘单体和一个或多个共聚物的液晶聚酯，具有改进的性能平衡，包括低熔融粘度、快速成型周期、极低的模具收缩率、高拉伸和/或弯曲强度、溶剂抗性、优异的屏障性能、低吸水性、低热膨胀系数、优异的热稳定性和/或低易燃性。苯并萘单体包括4-羟基苯甲酸、2-羟基-6-萘甲酸、对苯二甲酸、异苯二甲酸及其衍生物和组合物。其中一个或多个共聚物包括4-羟基苯甲酸、2-羟基-6-萘甲酸、对苯二甲酸、异苯二甲酸及其衍生物和组合物。
• Transparent films and laminates having the same
  申请人：Bridgestone Corporation

  公开号：EP0227470A2

  公开（公告）日：1987-07-01

  A highly transparent film having high strength, suitable extensibility, high weather resistance, and low moisture absorption consists mainly of EVAT (ethylene vinyl acetate copolymer triallyl isocyanurate-crosslinked structure). Various laminates utilizing the above properties of the film comprise the EVAT interposed between two inorganic material sheets such as glass or metal, two organic material sheets such as plastics, or an inorganic material sheet and an organic material sheet.

  一种具有高强度、适当延伸性、高耐候性和低吸湿性的高透明薄膜主要由 EVAT（乙烯-醋酸乙烯共聚物三烯丙基异氰酸酯-交联结构）构成。利用薄膜的上述特性制成的各种层压板包括将 EVAT 夹在两片无机材料（如玻璃或金属）、两片有机材料（如塑料）或一片无机材料和一片有机材料之间。
• Polyester resin composition
  申请人：POLYPLASTICS CO. LTD.

  公开号：EP0303449A2

  公开（公告）日：1989-02-15

  A polyester composition suitable for injection molding comprises 75 to 99 percent by weight of a polyalkylene terephthalate composed mainly of ethylene terephthalate units and 1 to 25 percent by weight of a polyester capable of melt-processing and forming the anisotropic phase in the molten state.

  适用于注塑成型的聚酯组合物包括 75%至 99%（按重量计）主要由对苯二甲酸乙二醇酯单元组成的聚对苯二甲酸乙二醇酯和 1%至 25%（按重量计）能够在熔融状态下熔融加工并形成各向异性相的聚酯。
• Method of treating surface of molded article comprising liquid crystal polyester resin
  申请人：POLYPLASTICS CO. LTD.

  公开号：EP0312268A2

  公开（公告）日：1989-04-19

  An article moulded from a liquid crystal polyester is treated on its surface by bringing the article comprising a liquid polyester resin composition composed of a melt-processable polyester capable of forming an anisotropic melt phase and at least one inorganic filler selected from the group consisting of the Group II elements of the periodic table and oxides, sulfates, phosphates, silicates, and carbonates thereof, and elements of aluminum, silicon, tin, lead, antimony, and bismuth and oxides thereof incorporated therein in an amount of 5 to 80% by weight based on the total amount of said molded article composition into contact with an acidic solution containing at least 80% by weight of sulfuric acid for treatment of said molded article.

  一种由液晶聚酯模塑而成的制品，其表面经过处理，该制品包括一种液态聚酯树脂组合物，该组合物由可熔融加工的聚酯（可形成各向异性熔融相）和至少一种无机填料组成，这些无机填料选自元素周期表中的第二组元素及其氧化物、硫酸盐、磷酸盐、硅酸盐和碳酸盐，以及铝、硅、锡、铅、锑和铋元素及其氧化物、无机填料选自元素周期表第二族元素及其氧化物、硫酸盐、磷酸盐、硅酸盐和碳酸盐组成的组，以及铝、硅、锡、铅、锑和铋元素及其氧化物，加入量为所述模塑制品组合物总量的 5%至 80%（按重量计），并与含有至少 80%（按重量计）硫酸的酸性溶液接触，以处理所述模塑制品。
• Process for photographic development processing
  申请人：FUJI PHOTO FILM CO., LTD.

  公开号：EP0327133A2

  公开（公告）日：1989-08-09

  A process for development-processing a black-­and-white silver halide light-sensitive material is disclosed, which comprises using a developer containing at least one compound represented by formulae (I) and (II): wherein R₁ and R₂ each represents hydrogen atom, an alkyl group or an aryl group; M represents hydrogen atom, an alkali metal atom, an alkaline earth metal atom, a quaternary ammonium salt, a quaternary phosphonium salt, an amidino group or a group capable of being converted to hydrogen or an alkali metal atom under alkaline conditions; n represents an integer of 1 or more; and Z⊖ represents an anion.

  本发明公开了一种黑白卤化银感光材料的显影处理工艺，包括使用含有至少一种由式 (I) 和 (II) 表示的化合物的显影剂： 其中 R₁ 和 R₂ 各自代表氢原子、烷基或芳基； M 代表氢原子、碱金属原子、碱土金属原子、季铵盐、季鏻盐、脒基或在碱性条件下能转化为氢或碱金属原子的基团； n 代表 1 或 1 以上的整数；以及 Z⊖ 代表阴离子。