二丁基乙基丙二酸酯 | 1113-92-4

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 中文名称: 二丁基乙基丙二酸酯
• 中文别名: 丙二酸乙基酯二丁酯
• 英文名称: Ethylmalonsaeure-dibutylester
• 英文别名: ethyl-malonic acid dibutyl ester；Aethyl-malonsaeure-dibutylester；Ethylmalonic acid dibutyl ester；dibutyl 2-ethylpropanedioate
• CAS: 1113-92-4
• 化学式: C₁₃H₂₄O₄
• 分子量: 244.331
• InChiKey: IYHANSLELCOANS-UHFFFAOYSA-N

物化性质

• 沸点：
  98-99 °C(Press: 2 Torr)
• 密度：
  0.955 g/cm3
• 溶解度：
  almost insoluble in water, soluble in alcohol, miscible with oils

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  17
• 可旋转键数：
  11
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.85
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• 海关编码：
  2917190090

反应信息

• 作为反应物：
  描述：

  N-氰基-N'-甲基-胍 、 二丁基乙基丙二酸酯 在 sodium methylate 作用下， 生成 5-ethyl-2-imino-3-methyl-4,6-dioxo-tetrahydro-pyrimidine-1-carbonitrile
  参考文献：
  名称：

  Boetius et al., Journal fur praktische Chemie (Leipzig 1954), 1959, vol. <4>7, p. 135,139

  摘要：

  DOI：
• 作为产物：
  描述：

  乙基丙二酸 、 正丁醇 在 盐酸 作用下， 以 水 为溶剂， 反应 0.5h， 生成 二丁基乙基丙二酸酯
  参考文献：
  名称：

  Multiplexed LC-MS/MS analysis of methylsuccinic acid, ethylmalonic acid, and glutaric acid in plasma and urine

  摘要：

  DOI：

  10.1016/j.ab.2022.114604

文献信息

• PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST
  申请人：Ikenaga Shigenobu

  公开号：US20080312461A1

  公开（公告）日：2008-12-18

  A transition metal compound represented by the following formula (2a):

  一个以以下公式（2a）表示的过渡金属化合物：
• Olefin block copolymers processes for producing the same and uses thereof
  申请人：——

  公开号：US20030055179A1

  公开（公告）日：2003-03-20

  The present invention provides polymers having any one of properties including affinity for metals or polar resins, impact resistance, mar resistance, heat resistance, rigidity, oil resistance, transparency, anti-fogging properties, electric insulating properties, high breakdown voltage, coating properties, low-temperature flexibility, moldability, environmental degradation, fluidity and dispersibility, and provides a process for preparation thereof. The olefin block copolymers (A-1) of the invention are represented by the formula (I) PO 1 —g 1 —B 1 (I) (wherein PO 1 is a segment composed of repeating units derived from an olefin having 2 to 20 carbon atoms, g 1 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and B 1 is a segment containing an unsaturated hydrocarbon or a hetero atom). The olefin block copolymers are suitable for uses in adhesives; various molded articles such as construction and civil engineering materials, automobile interior and exterior materials, gasoline tanks, electric and electronic parts, medical care and sanitation materials, materials of miscellaneous goods, resin materials having environmental degradation properties, films and sheets; modifiers and dispersions.

  本发明提供了具有以下任一性质的聚合物，包括对金属或极性树脂的亲和性，抗冲击性，抗刮伤性，耐热性，刚度，耐油性，透明性，防雾性能，电绝缘性能，高击穿电压，涂料性能，低温柔性，可塑性，环境降解性，流动性和分散性，并提供其制备方法。本发明的烯烃嵌段共聚物（A-1）由公式（I）表示：PO1-g1-B1（I）（其中PO1是由具有2至20个碳原子的烯烃衍生的重复单元组成的片段，g1是酯，醚，酰胺，亚胺，脲，硅醚或羰基连接，B1是含有不饱和碳氢化合物或杂原子的片段）。烯烃嵌段共聚物适用于粘合剂；各种成型品，如建筑和土木工程材料，汽车内外饰料，汽油箱，电子和电气零件，医疗保健和卫生材料，杂货物料，具有环境降解性能的树脂材料，薄膜和片材；改性剂和分散剂。
• Propylene copolymer, polypropylene composition, and uses thereof, transition metal compounds and catalyst for olefin polymerization
  申请人：Ikenaga Shigenobu

  公开号：US20060276607A1

  公开（公告）日：2006-12-07

  The present invention provides a propylene/1-butene random copolymer (PBR) having excellent flexibility, impact resistance, heat resistance and low-temperature heat-seal properties, a polypropylene composition containg the copolymer, a sheet, film or stretched film comprising the composition and a composite film having a layer of the composition. The propylene/1-butene random copolymer contains 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution (Mw/Mn) of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point (Tm) of from 40 to 120° C., and satisfies the following relation 146 exp(−0.022M)≧ Tm ≧125 exp(−0.032M) wherein Tm represents a melting point and M (mol %) represents a content of 1-butene constituent units. The invention, further, provides a transition metal compound useful as an olefin polymerization catalyst and an olefin polymerization catalyst containing the transition metal compound. The transition metal compound is represented by the following formula (2a): wherein each of R 1 and R 3 is hydrogen, R 2 and R 4 are selected from a hydrocarbon group and silicon-containing group, R 5 to R 13 are selected from hydrogen, a hydrocarbon group and silicon-containing group, and adjacent substituent groups R 5 to R 12 may be linked to form a ring. R 14 is an aryl group, and R 13 and R 14 may be linked to form a ring. M is a Group 4 transition metal, Y is a carbon atom, Q is halogen, etc, and j is an integer of 1 to 4.

  本发明提供一种具有优异的柔韧性、抗冲击性、耐热性和低温热封性能的丙烯/1-丁烯随机共聚物（PBR），以及包含该共聚物的聚丙烯组合物、由该组合物制成的片材、薄膜或拉伸膜以及具有该组合物层的复合膜。该丙烯/1-丁烯随机共聚物含有60到90摩尔％的丙烯单元和10到40摩尔％的1-丁烯单元，三元等规度不小于85％且不大于97.5％，分子量分布（Mw/Mn）为1到3，固有粘度为0.1到12 dl/g，熔点（Tm）为40到120℃，并满足以下关系式146 exp（-0.022M）≥Tm≥125 exp（-0.032M），其中Tm表示熔点，M（摩尔％）表示1-丁烯组分单元的含量。本发明还提供一种过渡金属化合物，可用作烯烃聚合催化剂，以及含有该过渡金属化合物的烯烃聚合催化剂。该过渡金属化合物由以下式（2a）表示：其中R1和R3分别为氢，R2和R4选自烃基和含硅基，R5到R13选自氢、烃基和含硅基，相邻的取代基R5到R12可连接形成环。R14为芳基，R13和R14可连接形成环。M为4族过渡金属，Y为碳原子，Q为卤素等，j为1到4的整数。
• PROCESS FOR PRODUCING OLEFIN POLYMER AND OLEFIN POLYMER
  申请人：Mitsui Chemicals, Inc.

  公开号：EP1092730A1

  公开（公告）日：2001-04-18

  This invention provides an olefin polymer production method by which olefin polymers can be obtained at high polymerization activity under the conditions of reduced hydrogen concentration and provides silyl-terminated olefin polymers obtained by this production method. The olefin polymer production method is characterized in that an olefin is polymerized under the presence of a catalyst comprising a transition metal compound (A) of Groups 3 to 10 of the periodic table, at least one compound (B) selected from among organoaluminum oxycompounds (B-1), compounds (B-2) that react with the abovementioned compound (A) to form an ion pair, and organoaluminum compounds (B-3), and under the coexistence of an organosilicon compound (C) or dialkylzinc compound (D) and hydrogen (E). This invention also provides an olefin polymer production method by which olefin polymers can be obtained at high polymerization activity and provides silyl-terminated olefin polymers obtained by this production method. This olefin polymer production method is characterized in that an olefin is polymerized under the presence of a catalyst comprising a transition metal compound (A-i) of Groups 3 to 10 of the periodic table, at least one compound (B) selected from among organoaluminum oxycompounds (B-1), compounds (B-2) that react with the abovementioned compound (A-i) to form an ion pair, and organoaluminum compounds (B-3), under the coexistence of an organosilicon compound (C) or dialkylzinc compound (D), and under the non-presence of hydrogen (E).

  本发明提供了一种烯烃聚合物生产方法，通过该方法可以在氢浓度降低的条件下获得高聚合活性的烯烃聚合物，并提供了通过该生产方法获得的硅烷封端的烯烃聚合物。该烯烃聚合物生产方法的特征在于，烯烃在催化剂存在下聚合，催化剂包括周期表中第 3 至 10 族的过渡金属化合物 (A)、至少一种选自有机铝氧化合物 (B-1) 的化合物 (B)、与上述化合物（A）反应形成离子对的化合物（B-2）和有机铝化合物（B-3），以及在有机硅化合物（C）或二烷基锌化合物（D）和氢气（E）共存的条件下。本发明还提供了一种烯烃聚合物生产方法，通过该方法可以获得高聚合活性的烯烃聚合物，并提供了通过该生产方法获得的硅烷封端烯烃聚合物。该烯烃聚合物生产方法的特征在于，烯烃在催化剂存在下聚合，催化剂包括元素周期表中第 3 至 10 族的过渡金属化合物（A-i）、至少一种选自有机铝氧化合物（B-1）的化合物（B-2）、与上述化合物 (A-i) 反应形成离子对的化合物 (B-2) 和有机铝化合物 (B-3)，有机硅化合物 (C) 或二烷基锌化合物 (D)，以及不存在氢 (E) 的情况下。
• BRANCHED POLYOLEFIN, PROCESS FOR PRODUCING THE SAME, AND THERMOPLASTIC RESIN COMPOSITION CONTAINING BRANCHED POLYOLEFIN
  申请人：Mitsui Chemicals, Inc.

  公开号：EP1270647A1

  公开（公告）日：2003-01-02

  The present invention is intended to provide a branched polyolefin having various excellent properties, a process for preparing the branched polyolefin and a thermoplastic resin composition containing the branched polyolefin. This branched polyolefin comprises an olefin chain (A) and olefin chain(s) (B) which have recurring units obtained from at least one olefin as main constituent units. In the branched polyolefin, the olefin chain (B) is linked to a position other than both ends of the olefin chain (A), and at least one olefin chain (B) per one olefin chain (A) is present. The process for preparing a branched polyolefin comprises allowing a functional group-containing polyolefin (C) having one or more carboxyl groups and/or acid anhydride groups at positions other than both ends to react with a terminal modified polyolefin (D) having a group capable of reacting with a carboxyl group or an acid anhydride group at only the position of chain end.

  本发明旨在提供一种具有各种优异性能的支链聚烯烃、一种制备该支链聚烯烃的工艺和一种含有该支链聚烯烃的热塑性树脂组合物。这种支链聚烯烃由烯烃链（A）和烯烃链（B）组成，烯烃链（B）的主要组成单元为至少一种烯烃的循环单元。在支化聚烯烃中，烯烃链（B）连接到烯烃链（A）两端以外的位置，每一条烯烃链（A）至少有一条烯烃链（B）。制备支化聚烯烃的工艺包括让在两端以外位置具有一个或多个羧基和/或酸酐基的含官能团聚烯烃（C）与仅在链端位置具有能与羧基或酸酐基反应的基团的末端改性聚烯烃（D）反应。