2-Methyl-1,4-cyclohexanedimethanol | 94888-58-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2-Methyl-1,4-cyclohexanedimethanol
• 英文别名: [4-(hydroxymethyl)-3-methylcyclohexyl]methanol
• CAS: 94888-58-1
• 化学式: C₉H₁₈O₂
• 分子量: 158.24
• InChiKey: NEBVPZVFZADQMC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  11
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  40.5
• 氢给体数：
  2
• 氢受体数：
  2

文献信息

• Cyclohexanedimethanol/diamine mixtures as RIM extenders
  申请人：THE DOW CHEMICAL COMPANY

  公开号：EP0245864A2

  公开（公告）日：1987-11-19

  Polyurethane-polyurea polymers are disclosed that are derived from the reaction injection molding of organic polyisocyanates, optional high molecular weight active hydrogen containing compounds and extender mixtures comprising (i) aromatic diamines wherein at least one of the positions ortho to each amine group is substituted by a lower alkyl group and (ii) bis(hydroxyalkyl) cycloalkanes. The improved polymers have excellent resistance to high temperature conditions. Also disclosed are the blends of both the extender mixtures and the latter with the optional high molecular weight active hydrogen containing compounds which are particularly useful for the preparation of the above polymers.

  本发明公开了聚氨酯-聚脲聚合物，该聚合物由有机多异氰酸酯、任选的高分子量活性含氢化合物和由(i)芳香族二胺（其中每个胺基的至少一个正交位置被低级烷基取代）和(ii)双（羟基烷基）环烷烃组成的扩展剂混合物反应注塑而成。 改进后的聚合物具有优异的耐高温性能。 本发明还公开了扩展剂混合物和扩展剂混合物与任选的高分子量活性含氢化合物的混合物，这些混合物对制备上述聚合物特别有用。
• POLYCARBONATE MOLDED ARTICLE
  申请人：Teijin Limited

  公开号：EP2963075A1

  公开（公告）日：2016-01-06

  A molded article such as a resin window or a lamp lens for vehicles which is formed from a polycarbonate and excellent in heat resistance, weather resistance, low water absorption, surface hardness and low-temperature impact properties. The molded article is formed from a polycarbonate which contains a unit (A) represented by the following formula (A) in an amount of 50 mol% or more based on the total of all recurring units and has a maximum impact energy of 20 J or more in a high-speed surface impact test based on ASTM D3763 in a -20°C environment and a brittle fracture rate of 50 % or less.

  一种由聚碳酸酯制成的模制品，如汽车树脂窗或车灯透镜，具有优异的耐热性、耐候性、低吸水性、表面硬度和低温冲击性能。 该模塑品由聚碳酸酯制成，该聚碳酸酯含有下式（A）所代表的单元（A），其含量为所有重复单元总量的 50 摩尔%或以上，在-20°C 环境下，根据 ASTM D3763 进行的高速表面冲击试验中，最大冲击能量为 20 焦耳或以上，脆断率为 50%或以下。
• POLYCARBONATE RESIN COMPOSITION
  申请人：Teijin Limited

  公开号：EP3135727A1

  公开（公告）日：2017-03-01

  A polycarbonate resin composition comprising a polycarbonate resin and 0.001 to 1 parts by weight of an N-R type (R represents an alkyl group) hindered amine-based optical stabilizer per 100 parts by weight of the polycarbonate resin, wherein the polycarbonate resin comprises 40 mol% or more of a recurring unit (A) represented by the following formula and satisfies the following formulas (i) to (v), and the resin composition has excellent heat resistance, a low water absorption coefficient and high transparency, and suppresses deterioration during long-term use: (i) a metal compound comprising a negative ion represented by the following formula (B) and a positive ion constituted by a metal is used as a polymerization catalyst in an amount of 1 × 10-9 to 1 × 10-5 molar equivalent relative to the total diol compounds used for polymerization; (ii) the specific viscosity measured with a methylene chloride solution at 20°C is 0.23 to 0.60; (iii) the glass transition temperature is 100°C to 160°C; (iv) the saturated water absorption coefficient is 2.5% or less; and (v) the relationship between the glass transition temperature (Tg°C) and the saturated water absorption coefficient (Wa%) satisfies the following formula (I): 2.5≤Tw value=Tg×0.04−Wa wherein R1 is an alkylene group, a cycloalkylene group, or an arylalkylene group which has 1 to 22 carbon atoms and may be linear or branched.

  一种聚碳酸酯树脂组合物，包括聚碳酸酯树脂和每 100 份聚碳酸酯树脂重量含 0.001 至 1 份 N-R 型(R 代表烷基)受阻胺基光学稳定剂，其中聚碳酸酯树脂包含 40 摩尔％或更多由下式表示的循环单元(A)，并满足以下公式(i)至(v)，且该树脂组合物具有优异的耐热性、低吸水系数和高透明度，并在长期使用过程中抑制劣化： (i) 使用由下式（B）表示的负离子和金属构成的正离子组成的金属化合物作为聚合催化剂，其用量相对于用于聚合的二元醇化合物总量为 1 × 10-9 至 1 × 10-5 摩尔当量； (ii) 在 20°C 時以二氯甲烷溶液測得的比黏度為 0.23 至 0.60； (iii) 玻璃化转变温度为 100°C 至 160°C (iv) 饱和吸水系数为 2.5%或更低；以及 (v) 玻璃化转变温度(Tg°C)与饱和吸水系数(Wa%)之间的关系满足下式(I)：2.5≤Tw 值=Tg×0.04-Wa 其中，R1 是烷基、环烷基或芳基烷基，具有 1 至 22 个碳原子，可以是直链或支链。
• Polycarbonate resin composition
  申请人：TEIJIN LIMITED

  公开号：US10150854B2

  公开（公告）日：2018-12-11

  A polycarbonate resin composition comprising a polycarbonate resin and 0.001 to 1 parts by weight of an N—R type (R represents an alkyl group) hindered amine-based optical stabilizer per 100 parts by weight of the polycarbonate resin, wherein the polycarbonate resin comprises 40 mol % or more of a recurring unit (A) represented by the following formula, a metal compound comprising a negative ion represented by the following formula (B) and a positive ion constituted by a metal is used as a polymerization catalyst in an amount of 1×10−9 to 1×10−5 molar equivalent relative to the total diol compounds used for polymerization, and the resin composition has excellent heat resistance, a low water absorption coefficient and high transparency, and suppresses deterioration during long-term use, wherein R1 is an alkylene group, a cycloalkylene group, or an arylalkylene group which has 1 to 22 carbon atoms and may be linear or branched.

  一种聚碳酸酯树脂组合物，包括聚碳酸酯树脂和每 100 份（重量）0.001 至 1 份（按每 100 份聚碳酸酯树脂的重量计）N-R 型（R 代表烷基）受阻胺基光 学稳定剂，其中聚碳酸酯树脂包含 40 摩尔 % 或更多由下式表示的循环单元 (A)、由下式（B）表示的负离子和金属构成的正离子组成的金属化合物用作聚合催化剂，其用量相对于用于聚合的二元醇化合物总量为 1×10-9 至 1×10-5 摩尔当量，该树脂组合物具有优异的耐热性、低吸水系数和高透明度，并且在长期使用过程中可抑制劣化、 其中 R1 是烷基、环烷基或芳基烷基，具有 1 至 22 个碳原子，可以是直链或支链。
• US4412020A
  申请人：——

  公开号：US4412020A

  公开（公告）日：1983-10-25