4,4'-Diethylheptan-1,7-diol | 72936-15-3

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 4,4'-Diethylheptan-1,7-diol
• 英文别名: 4,4-diethyl-heptane-1,7-diol；4,4-Diethylheptane-1,7-diol
• CAS: 72936-15-3
• 化学式: C₁₁H₂₄O₂
• 分子量: 188.31
• InChiKey: OTCTWWYJMRGPMF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  13
• 可旋转键数：
  8
• 环数：
  0.0
• 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

反应信息

• 作为反应物：
  描述：

  4,4'-Diethylheptan-1,7-diol 在 硫酸 、 氢溴酸 、 对甲苯磺酸 作用下， 以 四氯化碳 为溶剂， 反应 6.0h， 生成 21,21-diethyl-16,26-dipentadecyl-hentetracontane-16,26-diol
  参考文献：
  名称：

  Herstellung einiger verzweigter Parffine im oligomeren Bereich

  摘要：

  某些高分子量支链烷烃的合成

  DOI：

  10.1002/hlca.19790620743
• 作为产物：
  描述：

  4-acetyl-4-ethyl-heptanedinitrile 在 红铝 作用下， 以 苯 为溶剂， 反应 2.0h， 生成 4,4'-Diethylheptan-1,7-diol
  参考文献：
  名称：

  Herstellung einiger verzweigter Parffine im oligomeren Bereich

  摘要：

  某些高分子量支链烷烃的合成

  DOI：

  10.1002/hlca.19790620743

文献信息

• LOW SHRINKAGE POLYESTER INDUSTRIAL YARN AND PREPARATION METHOD THEREOF
  申请人：Jiangsu Hengli Chemical Fibre Co., Ltd.

  公开号：EP3647474A1

  公开（公告）日：2020-05-06

  The invention relates to a low-shrinkage polyester industrial yarn and its preparation method. The preparation method comprises the following steps: subjecting the modified polyester to polycondensation, melting, measuring, extruding, cooling, oiling, stretching, heat setting and winding, wherein the oil agent used in oiling contains crown ether, and the content of the crown ether is 67.30 to 85.58 wt%. The preparation method of the invention is simple and feasible, and the dry shrinkage rate of the low shrinkage polyester industrial yarn is 2.5∼4.7% under the environment of 190°C, 15 min and 0.01 cN/dtex, and the material is modified polyester, the molecular chain of the modified polyester includes a terephthalic acid segment, an ethylene glycol segment, and a branched diol segment, and the structural formula of the branched diol is as follows: Wherein R1 and R2 are each independently selected from a linear alkylene group having 1 to 3 carbon atoms, R3 is selected from an alkyl group having 1 to 5 carbon atoms, and R4 is selected from the alkyl group consisting of 2 to 5 carbon atoms.

  本发明涉及一种低收缩聚酯工业丝及其制备方法。该制备方法包括以下步骤：将改性聚酯进行缩聚、熔融、计量、挤出、冷却、上油、拉伸、热定型和卷绕，其中上油时使用的油剂含有冠醚，冠醚的含量为 67.30 至 85.58 wt%。本发明的制备方法简单可行，在190℃、15min、0.01cN/dtex的环境下，低收缩涤纶工业丝的干缩率为2.5～4.7%，材料为改性涤纶，改性涤纶的分子链包括对苯二甲酸段、乙二醇段和支链二元醇段，支链二元醇的结构式如下： 其中，R1 和 R2 各自独立地选自具有 1 至 3 个碳原子的线性亚烷基，R3 选自具有 1 至 5 个碳原子的烷基，R4 选自由 2 至 5 个碳原子组成的烷基。
• DUAL PROFILE FIBER AND MANUFACTURING METHOD THEREFOR
  申请人：Jiangsu Hengli Chemical Fibre Co., Ltd.

  公开号：EP3680369A1

  公开（公告）日：2020-07-15

  A bi-profiled fiber and preparing method thereof are disclosed. The bi-profiled fiber is manufactured through the steps of spinning melt metering, extruding via the composite spinneret, cooling, oiling, drawing, heat setting and winding, finally containing both double-cross monofilaments and circular monofilaments simultaneously. The bi-profiled fiber is made of the modified polyester which is dispersed by matte agent and is composed of terephthalic acid segments, ethylene glycol segments and branched diol segments, and the branched diol has a structural formula of here R1 and R2 are separately selected from the linear alkylene with 1-3 carbon atoms, R3 from the alkyl with 1-5 carbon atoms, and R4 from the alky with 2-5 carbon atoms. The matte agents are chosen as a mixture of amorphous titanium dioxide and amorphous silicon dioxide, or a mixture of calcium carbonate and amorphous silicon dioxide. The method presented in this invention is involved in a simple and reasonable technological process, through which the obtained bi-profiled fiber possesses both softness and stiffness simultaneously.

  本发明公开了一种双股纤维及其制备方法。这种双股纤维是通过纺丝熔融计量、复合喷丝头挤出、冷却、上油、牵伸、热定型和卷绕等步骤制成的，最终同时含有双股单丝和圆股单丝。双股纤维是由改性聚酯经消光剂分散而成，改性聚酯由对苯二甲酸段、乙二醇段和支链二元醇段组成，支链二元醇的结构式为 其中 R1 和 R2 分别选自 1-3 个碳原子的直链亚烷基，R3 选自 1-5 个碳原子的烷基，R4 选自 2-5 个碳原子的烷基。消光剂可选择无定形二氧化钛和无定形二氧化硅的混合物，或碳酸钙和无定形二氧化硅的混合物。本发明提出的方法采用简单合理的工艺流程，通过该工艺获得的双面纤维同时具有柔软性和刚度。
• ONE-STEP SPUN ELASTIC COMPOSITE FILAMENT AND PREPARATION METHOD THEREFOR
  申请人：Jiangsu Hengli Chemical Fibre Co., Ltd.

  公开号：EP3683339A1

  公开（公告）日：2020-07-22

  A type of one-step spun composite DTY and preparation method thereof are disclosed. The bi-profiled fiber is manufactured with two types of modified polyester of different viscosities through the steps of melting, melt metering, composite extruding, cooling, oiling, drawing, heat setting and winding. Wherein those two modified polyesters have a molecular structure including terephthalic acid segments, ethylene glycol segments and branched diol segments, and the branched diol has a structural formula of here R1 and R2 are separately selected from the linear alkylene with 1-3 carbon atoms, R3 from the alkyl with 1-5 carbon atoms, and R4 from the alky with 2-5 carbon atoms. The obtained one-step spun composite DTY has an elastic shrinkage rate of no less than 35%. The method presented in this invention is involved in a simple and reasonable technological process for wide application range.

  本发明公开了一种一步法纺丝复合 DTY 及其制备方法。采用两种不同粘度的改性聚酯，通过熔融、熔体计量、复合挤出、冷却、上油、牵伸、热定型、卷绕等步骤制备双向拉伸纤维。其中，这两种改性聚酯的分子结构包括对苯二甲酸段、乙二醇段和支链二元醇段，支链二元醇的结构式为 其中 R1 和 R2 分别选自 1-3 个碳原子的直链烯烃，R3 选自 1-5 个碳原子的烷基，R4 选自 2-5 个碳原子的烷基。得到的一步法纺丝复合 DTY 的弹性收缩率不低于 35%。本发明的方法工艺简单合理，应用范围广泛。
• Bi-profiled fiber and preparing method thereof
  申请人：JIANGSU HENGLI CHEMICAL FIBRE CO., LTD.

  公开号：US10822451B2

  公开（公告）日：2020-11-03

  A bi-profiled fiber and preparing method thereof are provided. The bi-profiled fiber is manufactured through the steps of spinning melt metering, extruding via the composite spinneret, cooling, oiling, drawing, heat setting and winding, finally containing both double-cross monofilaments and circular monofilaments simultaneously. The bi-profiled fiber is made of the modified polyester, and the modified polyester is dispersed by matte agent and is composed of terephthalic acid segments, ethylene glycol segments and branched diol segments, and the branched diol segment has a structural formula of where R1 and R2 are separately selected from the linear alkylene with 1-3 carbon atoms, R3 from the alkyl with 1-5 carbon atoms, and R4 from the alkyl with 2-5 carbon atoms. The matte agents is a mixture of amorphous titanium dioxide and amorphous silicon dioxide, or a mixture of calcium carbonate and amorphous silicon dioxide.

  本发明提供了一种双股纤维及其制备方法。双股纤维的生产过程包括纺丝熔融计量、复合喷丝头挤出、冷却、上油、牵伸、热定型、卷绕等步骤，最终同时含有双股单丝和圆股单丝。该双纤丝纤维由改性聚酯制成，改性聚酯由消光剂分散而成，由对苯二甲酸段、乙二醇段和支链二元醇段组成，支链二元醇段的结构式为 其中 R1 和 R2 分别选自 1-3 个碳原子的直链亚烷基，R3 选自 1-5 个碳原子的烷基，R4 选自 2-5 个碳原子的烷基。消光剂是无定形二氧化钛和无定形二氧化硅的混合物，或碳酸钙和无定形二氧化硅的混合物。
• Low-shrinkage polyester industrial yarn and preparation method thereof
  申请人：JIANGSU HENGLI CHEMICAL FIBRE CO., LTD.

  公开号：US10982044B2

  公开（公告）日：2021-04-20

  A low-shrinkage polyester industrial yarn and a preparation method thereof are provided. The preparation method includes the following steps: subjecting the modified polyester to polycondensation, melting, measuring, extruding, cooling, oiling, stretching, heat setting and winding, wherein the content of the crown ether in the oil agent is 67.30-85.58 wt %. The material of the prepared low shrinkage polyester industrial yarn is a modified polyester, the molecular chain of the modified polyester includes a terephthalic acid segment, an ethylene glycol segment, and a branched diol segment, and the structural formula of the branched diol is as follows: Wherein R1 and R2 are each independently selected from a linear alkylene group having 1-3 carbon atoms, R3 is selected from an alkyl group having 1-5 carbon atoms, and R4 is selected from an alkyl group consisting of 2-5 carbon atoms.

  本发明提供了一种低收缩聚酯工业丝及其制备方法。该制备方法包括以下步骤：将改性聚酯进行缩聚、熔融、计量、挤出、冷却、上油、拉伸、热定型和卷绕，其中油剂中冠醚的含量为 67.30-85.58 wt %。制备的低收缩涤纶工业丝的原料为改性涤纶，改性涤纶的分子链包括对苯二甲酸段、乙二醇段和支链二元醇段，支链二元醇的结构式如下： 其中，R1 和 R2 各自独立地选自具有 1-3 个碳原子的线性亚烷基，R3 选自具有 1-5 个碳原子的烷基，R4 选自由 2-5 个碳原子组成的烷基。