5-tert.-Butyl-3-methyl-brenzcatechin-diacetat | 21913-57-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚酯
• 英文名称: 5-tert.-Butyl-3-methyl-brenzcatechin-diacetat
• 英文别名: (2-Acetyloxy-5-tert-butyl-3-methylphenyl) acetate
• CAS: 21913-57-5
• 化学式: C₁₅H₂₀O₄
• 分子量: 264.321
• InChiKey: YCRKMAZQJBSFST-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  19
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.47
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• HETEROPHASIC PROPYLENE POLYMERIC MATERIAL
  申请人：Sumitomo Chemical Company, Limited

  公开号：EP3495420A1

  公开（公告）日：2019-06-12

  A heterophasic propylene polymerization material comprising a propylene homopolymer component or a specific propylene copolymer component, and a specific ethylene-α-olefin copolymer component, in which (i) the amount of the xylene-soluble component is 40% by weight or more, (ii) the limiting viscosity [η]CXIS of the xylene-insoluble component is 1.50 dL/g or more, (iii) the ratio of the limiting viscosity [η]CXS of the xylene-soluble component to the limiting viscosity [η]CXIS of the xylene-insoluble component is 1.5 or less, and (iv) the content of monomer units derived from ethylene and α-olefins having 4 to 12 carbon atoms in the xylene-insoluble component is 6% by weight or more.

  一种异相丙烯聚合材料，包括丙烯均聚物组分或特定丙烯共聚物组分，以及特定乙烯-α-烯烃共聚物组分，其中(i)二甲苯可溶组分的量为40%（重量）或以上，(ii)二甲苯不溶组分的极限粘度[η]CXIS为1.(iii) 二甲苯可溶组分的极限粘度[η]CXS 与二甲苯不溶组分的极限粘度[η]CXIS 之比为 1.5 或以下，以及 (iv) 二甲苯不溶组分中来自乙烯和具有 4 至 12 个碳原子的 α-烯烃的单体单元的含量为 6%（重量比）或以上。
• THERMOPLASTIC ELASTOMER COMPOSITION AND METHOD OF PRODUCING THE SAME
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP3744784A1

  公开（公告）日：2020-12-02

  There is provided a thermoplastic elastomer composition from which a molded article having an appearance suitable for non-painting use can be produced. In the thermoplastic elastomer composition containing at least two olefin polymers, a content of an insoluble component in ortho-dichlorobenzene at 140°C is 20 wt% to 50 wt% and an isothermal crystallization time measured at 130°C is 300 seconds or longer.

  本发明提供了一种热塑性弹性体组合物，用该组合物可以生产出外观适用于非涂漆用途的模塑制品。在含有至少两种烯烃聚合物的热塑性弹性体组合物中，140°C 时邻二氯苯中的不溶组分含量为 20 wt% 至 50 wt%，130°C 时的等温结晶时间为 300 秒或更长。
• HETEROPHASIC PROPYLENE POLYMER MATERIAL AND USE OF THE SAME
  申请人：SUMITOMO CHEMICAL COMPANY LIMITED

  公开号：EP3842489A1

  公开（公告）日：2021-06-30

  Provided is a heterophasic propylene polymer material having excellent low temperature impact resistance, tensile strength, and tensile elongation. A heterophasic propylene polymer material contains a propylene homopolymer component (A), and an ethylene-propylene copolymer component (B1) and an ethylene-propylene copolymer component (B2) having different formulations from each other, wherein a content of the propylene homopolymer component (A), a content of the ethylene-propylene copolymer component (B1), and a content of the ethylene-propylene copolymer component (B2) are 40 to 70 parts by mass, 15 to 54 parts by mass, and 6 to 15 parts by mass, respectively, with respect to 100 parts by mass of a total content of the propylene homopolymer component (A) and the ethylene-propylene copolymer components (B1) and (B2).

  本发明提供了一种杂相丙烯聚合物材料，它具有优异的低温抗冲击性、拉伸强度和拉伸伸长率。一种杂相丙烯聚合物材料包含丙烯均聚物组分（A）、乙烯-丙烯共聚物组分（B1）和乙烯-丙烯共聚物组分（B2），它们的配方互不相同，其中丙烯均聚物组分（A）的含量、乙烯-丙烯共聚物组分（B1）的含量、乙烯-丙烯共聚物组分（B2）的含量和乙烯-丙烯共聚物组分（B1）的含量都不同、和乙烯-丙烯共聚物组分（B2）的含量，相对于丙烯均聚物组分（A）和乙烯-丙烯共聚物组分（B1）和（B2）总含量的 100 重量份，分别为 40 至 70 重量份、15 至 54 重量份和 6 至 15 重量份。
• METHOD FOR PRODUCING PROPYLENE POLYMER
  申请人：SUMITOMO CHEMICAL COMPANY LIMITED

  公开号：EP3960776A1

  公开（公告）日：2022-03-02

  Provided is a method for producing a propylene polymer capable of conveniently and sufficiently reducing a catalyst residue in a propylene polymer. The method for producing a propylene polymer comprises the following step (1) and step (2): step (1): a step of polymerizing propylene in the presence of a catalyst to obtain a propylene polymer; step (2): a step of washing the propylene polymer obtained in step (1) with a deashing agent to remove a catalyst residue in the propylene polymer, the step satisfying the following formula (1): 4.4×logT−logEW>0.34×δW−δE wherein T represents a temperature (°C) at the time of washing the propylene polymer with the deashing agent; EW represents a water content (wt%) in the deashing agent; δ(W) represents a Hansen solubility parameter of water; and δ(E) represents a Hansen solubility parameter of the deashing agent.

  本发明提供了一种生产丙烯聚合物的方法，该方法能够方便、充分地减少丙烯聚合物中的催化剂残留。生产丙烯聚合物的方法包括以下步骤（1）和步骤（2）： 步骤(1)：在催化剂存在下聚合丙烯以获得丙烯聚合物的步骤； 步骤(2)：用脱灰剂洗涤步骤(1)中得到的丙烯聚合物，以除去丙烯聚合物中的催化剂残留物，该步骤满足下式(1)：4.4×logT-logEW>0.34×δW-δE 其中，T 表示用脱灰剂洗涤丙烯聚合物时的温度（℃）；EW 表示脱灰剂中的水含量（wt%）；δ(W) 表示水的汉森溶解度参数；δ(E) 表示脱灰剂的汉森溶解度参数。
• Heterophasic propylene polymerization material
  申请人：Sumitomo Chemical Company, Limited

  公开号：US10800911B2

  公开（公告）日：2020-10-13

  A heterophasic propylene polymerization material containing a propylene homopolymer component or a specific propylene copolymer component, and a specific ethylene-α-olefin copolymer component, in which (i) the amount of the xylene-soluble component is 40% by weight or more, (ii) the limiting viscosity [η]C X I S of the xylene-insoluble component is 1.50 dL/g or more, (iii) the ratio of the limiting viscosity [η]C X S of the xylene-soluble component to the limiting viscosity [η]C X I S of the xylene-insoluble component is 1.5 or less, and (iv) the content of monomer units derived from ethylene and α-olefins having 4 to 12 carbon atoms in the xylene-insoluble component is 6% by weight or more.

  一种含有丙烯均聚物组分或特定丙烯共聚物组分和特定乙烯-α-烯烃共聚物组分的异相丙烯聚合材料，其中(i)二甲苯可溶组分的量为40%(重量)或以上，(ii)二甲苯不溶组分的极限粘度[η]C X I S为1.50 dL/g 或以上，(iii) 二甲苯可溶组分的极限粘度[η]C X S 与二甲苯不溶组分的极限粘度[η]C X I S 之比为 1.5 或以下，(iv) 二甲苯不溶组分中来自乙烯和具有 4 至 12 个碳原子的 α-烯烃的单体单元的含量为 6%（重量比）或以上。