α-(1'-Methyl-n-propyl)-bernsteinsaeurediester | 69248-35-7

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: α-(1'-Methyl-n-propyl)-bernsteinsaeurediester
• 英文别名: 4-Methyl-3-ethoxycarbonyl-capronsaeure-ethylester；sec-butyl-succinic acid diethyl ester；sec-Butyl-bernsteinsaeure-diaethylester；(1-methylpropyl)-butanedioic acid, diethyl ester；Diethyl 2-butan-2-ylbutanedioate
• CAS: 69248-35-7
• 化学式: C₁₂H₂₂O₄
• 分子量: 230.304
• InChiKey: UKZUISCHPZZJME-UHFFFAOYSA-N

物化性质

• 沸点：
  292.3°C (rough estimate)
• 密度：
  0.9745

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  16
• 可旋转键数：
  9
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  α-(1'-Methyl-n-propyl)-bernsteinsaeurediester 在 氢氧化钾 作用下， 生成 2-乙基-3-甲基-戊二酸
  参考文献：
  名称：

  Mumm, Justus Liebigs Annalen der Chemie, 1937, vol. 529, p. 115,125, 140

  摘要：

  DOI：
• 作为产物：
  描述：

  丁二酸二乙酯 在 palladium on activated charcoal 、 乙醇 、 potassium tert-butylate 作用下， 生成 α-(1'-Methyl-n-propyl)-bernsteinsaeurediester
  参考文献：
  名称：

  Overberger; Roberts, Journal of the American Chemical Society, 1949, vol. 71, p. 3621

  摘要：

  DOI：

文献信息

• Propylene polymers
  申请人：Morini Giampiero

  公开号：US20050032633A1

  公开（公告）日：2005-02-10

  The present invention relates to a solid catalyst component for the polymerization of olefins CH 2 ═CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from substituted succinates of a particular formula. Said catalyst components when used in the polymerization of olefins, and in particular of propylene, are capable to give polymers in high yields and with high isotactic index expressed in terms of high xylene insolubility.

  本发明涉及一种用于聚合烯烃CH2═CHR（其中R为氢或具有1-12个碳原子的碳氢基团）的固体催化剂组分，包括镁、钛、卤素和从特定公式的取代琥珀酸酯中选择的电子给体。当在聚合烯烃，特别是丙烯的聚合中使用该催化剂组分时，能够以高收率和以高二甲苯不溶性表示的高同构指数给出聚合物。
• SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, AND OLEFIN POLYMERIZATION METHOD
  申请人：Mitsui Chemicals, Inc.

  公开号：EP2206731A1

  公开（公告）日：2010-07-14

  The present invention provides an olefin polymerization catalyst, which is free of polyfunctional aromatic compounds and has a large particle diameter, and a solid titanium component (I) which forms the catalyst. The olefin polymerization catalyst comprises a solid titanium component (I), an organometallic compound (II) and optionally an electron donor (III) wherein the solid titanium component (I) comprising titanium, magnesium and halogen is obtainable by allowing a magnesium compound (A) having no reducing ability in a liquid state to contact with an ester compound (B) represented by the following formula (1) and a liquid titanium compound (C) in a specific order, wherein R2 and R3 are COOR1 or R, and at least one of R2 and R3 is COOR1, two or more R1 each are a monovalent hydrocarbon group having 1 to 20 carbon atoms, and two or more R are a hydrogen atom, or a hydrocarbon group having 1 to 20 carbon atoms, and at least two of Rs may be bonded each other to form a ring, and the skeleton of the ring formed may include a double bond or a hetero atom.

  本发明提供了一种烯烃聚合催化剂，该催化剂不含多官能团芳香族化合物且具有较大的颗粒直径，还提供了构成该催化剂的固体钛组分（I）。烯烃聚合催化剂由固体钛组分（I）、有机金属化合物（II）和可选的电子供体（III）组成，其中由钛、镁和卤素组成的固体钛组分（I）可通过使液态无还原能力的镁化合物（A）与下式（1）表示的酯化合物（B）和液态钛化合物（C）按特定顺序接触而获得、 其中 R2 和 R3 为 COOR1 或 R，且 R2 和 R3 中至少有一个为 COOR1，两个或两个以上的 R1 各为具有 1 至 20 个碳原子的单价烃基，两个或两个以上的 R 为氢原子，或具有 1 至 20 个碳原子的烃基，且至少两个 R 可相互键合形成环，所形成的环的骨架可包括双键或杂原子。
• SOLID TITANIUM CATALYST COMPONENT FOR ETHYLENE POLYMERIZATION, ETHYLENE POLYMERIZATION CATALYST AND ETHYLENE POLYMERIZATION METHOD
  申请人：Mitsui Chemicals, Inc.

  公开号：EP2264075A1

  公开（公告）日：2010-12-22

  Provided are a solid titanium catalyst component for ethylene polymerization which can polymerize ethylene at a high activity and which can provide an ethylene polymer having an excellent particle property, an ethylene polymerization catalyst and an ethylene polymerization method in which the catalyst is used. The solid titanium catalyst component (I) for ethylene polymerization according to the present invention is obtained by bringing a liquid magnesium compound (A) including a magnesium compound, an electron donor (a) having 1 to 5 carbon atoms and an electron donor (b) having 6 to 30 carbon atoms into contact with a liquid titanium compound (C) under the presence of an electron donor (B) and includes titanium, magnesium and a halogen. The ethylene polymerization catalyst of the present invention includes the component (I) and an organic metal compound catalyst component (II). Further, the ethylene polymerization method of the present invention is a method for polymerizing ethylene under the presence of the catalyst.

  本发明提供了一种乙烯聚合用固体钛催化剂组分、乙烯聚合催化剂和使用该催化剂的乙烯聚合方法，该乙烯聚合用固体钛催化剂组分能以高活性聚合乙烯，并能提供具有优异颗粒性能的乙烯聚合物。 根据本发明的乙烯聚合用固体钛催化剂组分（I）是在电子供体（B）存在的情况下，将包括镁化合物、具有 1 至 5 个碳原子的电子供体（a）和具有 6 至 30 个碳原子的电子供体（b）的液态镁化合物（A）与液态钛化合物（C）接触而得到的，液态钛化合物（C）包括钛、镁和卤素。本发明的乙烯聚合催化剂包括组分（I）和有机金属化合物催化剂组分（II）。此外，本发明的乙烯聚合方法是一种在催化剂存在下聚合乙烯的方法。
• PROPYLENE RESIN COMPOSITION FOR RETORT POUCH-PACKAGING FILM
  申请人：Basell Poliolefine Italia S.r.l.

  公开号：EP2905309A1

  公开（公告）日：2015-08-12

  An object of the present invention is to provide a propylene resin composition having high processability to stably produce films, and a sealant film for retort pouch-packaging films prepared with the propylene resin composition and having high seal strength. The object is achieved by a propylene resin composition, comprising: a propylene homopolymer, and a propylene-ethylene copolymer dispersed in the propylene homopolymer, the propylene resin composition being prepared through polymerization of propylene and ethylene in the presence of a catalyst comprising: (A) a solid catalyst containing, as essential components, magnesium, titanium, halogen, and an electron donor selected from succinate type compounds, (B) an organoaluminum compound; and (C) an external electron donor selected from silicon compounds, wherein the propylene resin composition contains 25 to 35 wt% ethylene-propylene copolymer, the copolymer contains 60 wt% or more propylene, the propylene resin composition contains a xylene-soluble content having an intrinsic viscosity [η] of 1.8 to 3.2 dl/g, and the propylene resin composition has a melt flow rate of 2.0 to 5.0 g/10 min.

  本发明的目的是提供一种丙烯树脂组合物，该组合物具有较高的加工性，可以稳定地生产薄膜，还提供一种密封膜，该密封膜用于用该丙烯树脂组合物制备的蒸馏袋包装膜，具有较高的密封强度。上述目的是通过一种丙烯树脂组合物实现的，该组合物包括：丙烯均聚物和分散在丙烯均聚物中的丙烯-乙烯共聚物，丙烯树脂组合物是通过丙烯和乙烯在催化剂存在下的聚合反应制备的，催化剂包括： (A) 固体催化剂，其基本成分包括镁、钛、卤素和选自琥珀酸类化合物的电子供体、 (B) 有机铝化合物；以及 (C) 选自硅化合物的外部电子供体，其中丙烯树脂组合物含有 25 至 35 wt% 的乙烯-丙烯共聚物、 该共聚物含有 60 wt%或更多的丙烯、 丙烯树脂组合物含有本征粘度[η]为 1.8 至 3.2 dl/g 的二甲苯可溶物，以及 丙烯树脂组合物的熔体流动速率为 2.0 至 5.0 克/10 分钟。
• Solid catalyst component for use in olefin polymerisation, catalyst, and application thereof
  申请人：BEIJING LIHE TECHNOLOGY LTD

  公开号：US11136421B2

  公开（公告）日：2021-10-05

  Provided in the present invention is a solid catalyst component for use in olefin polymerisation, comprising Mg, Ti, a halogen, and at least one electron donor, the electron donor being a 2-substituted amino-phenyl ester compound selected from general formula (I). Also disclosed in the present invention are a catalyst comprising the solid catalyst component, and an application for the catalyst in olefin polymerisation, particularly in propylene polymerization. Also provided in the present invention is a high activity catalyst, said catalyst being able to obtain polypropylene of high isotacticity and wide molecular weight distribution, and not requiring an external electron donor to obtain high isotacticity polypropylene; during polymerization, Al/Ti and Al/Si are reduced, the polymerization time is lengthened, and high activity can still be maintained, suitable for producing low-ash polymers.

  本发明提供了一种用于烯烃聚合的固体催化剂组分，包括 Mg、Ti、卤素和至少一种电子供体，电子供体为选自通式 (I) 的 2-取代氨基苯基酯化合物。本发明还公开了一种包含固体催化剂组分的催化剂，以及该催化剂在烯烃聚合，特别是丙烯聚合中的应用。本发明还提供了一种高活性催化剂，所述催化剂能够获得高同素异形度和宽分子量分布的聚丙烯，并且不需要外部电子供体即可获得高同素异形度聚丙烯；在聚合过程中，Al/Ti 和 Al/Si 降低，聚合时间延长，仍可保持高活性，适用于生产低灰分聚合物。