2,6-二甲基苯基甲基丙烯酸酯 | 55879-73-7

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚酯
• 中文名称: 2,6-二甲基苯基甲基丙烯酸酯
• 英文名称: methylpropenoic acid 2,6-dimethylphenyl ester
• 英文别名: methacrylic acid 2,6-dimethylphenyl ester；2,6-Dimethylphenyl Methacrylate；2,6-Xylyl methacrylate；(2,6-dimethylphenyl) 2-methylprop-2-enoate
• CAS: 55879-73-7
• 化学式: C₁₂H₁₄O₂
• 分子量: 190.242
• InChiKey: UWDKOKUSUKKWOT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  14
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  4-甲氧基苯乙烯 、 2-溴-2-甲基丙酸乙酯 、 2,6-二甲基苯基甲基丙烯酸酯 在 copper(l) iodide 、 五甲基二乙烯三胺 作用下， 以 甲苯 为溶剂， 以61 %的产率得到1-(2,6-dimethylphenyl) 5-ethyl (E)-2-(4-methoxystyryl)-2,4,4-trimethylpentanedioate
  参考文献：
  名称：

  通过叔烷基自由基对两种不同烯烃的顺序加成合成复杂的季碳

  摘要：

  我们报告了由 Cu 催化剂控制的叔烷基自由基对两种不同烯烃的序列调节自由基加成，我们将其称为“原子转移自由基加成-取代”反应。α-溴代羰基化合物（例如叔烷基自由基源）与甲基丙烯酸酯和苯乙烯的反应以顺序调节的方式发生，得到相应的具有跳过季碳中心的三组分产物。我们的方法为如何在受调节的脂肪链合成过程中控制叔烷基自由基的反应性提供了新的见解。

  DOI：

  10.1021/acs.orglett.3c00812

文献信息

• Graft copolymer and process for producing the same
  申请人：IDEMITSU KOSAN COMPANY LIMITED

  公开号：EP0490269A1

  公开（公告）日：1992-06-17

  There is provided a process for producing a styrenic graft copolymer which comprises coplymerizing a styrenic monomer and a styrenic monomer having a hydrocarbon radical with an unsaturated bond in the presence of a catalyst comprising as primary ingredient (A) a transition metal compound and (B) a contact product of an organoaluminum compound and a condensation agent or (C) a compound which produces an ionic complex by reacting with the above-mentioned transition metal compound and subsequently graft polymerizing an ethylenically unsaturated monomer onto the resultant styrenic copolymer. The above-described styrenic graft copolymer is greatly improved in terms of compatibility, adhesivity, coatability and wettability while preserving heat resistance and chemical resistance thereof, and thus effective as a variety of constructional materials and compatibilizing agents. Furthermore, the composition or multi-layer material comprising the above-mentioned styrenic graft copolymer is widely utilized in a variety of application field including film, sheet, especially stampable sheet, container, packaging material, automobile parts, electrical and electronic parts, etc.

  提供了一种生产苯乙烯接枝共聚物的工艺，该工艺包括在催化剂存在下，使苯乙烯单体和具有不饱和键烃基的苯乙烯单体共聚，催化剂的主要成分包括(A)过渡金属化合物和(B)有机铝化合物与缩合剂的接触产物或(C)通过与上述过渡金属化合物反应产生离子络合物的化合物，然后将乙烯基不饱和单体接枝聚合到生成的苯乙烯共聚物上。上述过渡金属化合物反应生成离子络合物的化合物，然后将乙烯不饱和单体接枝聚合到生成的苯乙烯共聚物上。 上述苯乙烯接枝共聚物在保持其耐热性和耐化学性的同时，在相容性、粘合性、涂覆性和润湿性方面得到了极大的改善，因此可以有效地用作各种建筑材料和相容剂。此外，由上述苯乙烯接枝共聚物组成的组合物或多层材料可广泛应用于各种应用领域，包括薄膜、片材，尤其是可冲压片材、容器、包装材料、汽车零件、电子电气零件等。
• ORGANOPOLYSILOXANE GRAFT POLYMER
  申请人：Kao Corporation

  公开号：EP2927253A1

  公开（公告）日：2015-10-07

  The present invention relates to an organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived polymer segment as a side chain thereof, in which a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is not less than 35% by mass and not more than 70% by mass, and the unsaturated monomer-derived polymer segment contains a repeating unit derived from a nonionic unsaturated monomer having a glass transition temperature Tg of 60°C or higher (except for a repeating unit derived from an unsaturated monomer containing an amino group) in an amount of not less than 40% by mass and not more than 90% by mass, and further contains a repeating unit derived from a cationic unsaturated monomer in an amount of not less than 10% by mass and not more than 60% by mass.

  本发明涉及一种有机聚硅氧烷接枝聚合物，包括作为其主链的有机聚硅氧烷段和作为其侧链的不饱和单体衍生聚合物段，其中有机聚硅氧烷段在有机聚硅氧烷接枝聚合物中的含量不低于35%（质量百分比）且不超过70%（质量百分比）、不饱和单体衍生的聚合物段含有由玻璃化转变温度 Tg 为 60°C 或更高的非离子不饱和单体衍生的重复单元（由含有氨基的不饱和单体衍生的重复单元除外），其含量不低于 40%（按质量计）且不超过 90%（按质量计），还含有由阳离子不饱和单体衍生的重复单元，其含量不低于 10%（按质量计）且不超过 60%（按质量计）。
• RADIATION SENSITIVE COMPOSITION AND RESIST PATTERN FORMING METHOD
  申请人：JSR Corporation

  公开号：EP3605228A1

  公开（公告）日：2020-02-05

  Provided is a radiation-sensitive composition superior in sensitivity and LWR performance. A radiation-sensitive composition contains: a polymer having a first structural unit that includes an acid-labile group; a first compound that generates a first acid upon an irradiation with a radioactive ray; and a second compound that generates a second acid upon an irradiation with a radioactive ray, wherein, the first acid does not substantially dissociate the acid-labile group under a condition of a temperature of 110 °C and a time period of 1 min, and the second acid dissociates the acid-labile group under a condition of a temperature of 110 °C and a time period of 1 min, and the radiation-sensitive composition satisfies at least one of requirements (1) and (2): (1) the polymer includes a monovalent iodine atom; and (2) the radiation-sensitive composition further contains a third compound that is other than the first compound or the second compound, and that includes a monovalent iodine atom.

  提供了一种灵敏度和低功耗性能更优越的辐射敏感组合物。辐射敏感组合物包含具有第一结构单元的聚合物，该结构单元包括一个耐酸基团； 第一种化合物，该化合物在放射性射线辐照下产生第一种酸；其中，第一种酸在温度为 110 ℃、时间为 1 分钟的条件下基本上不离解可酸基团，第二种酸在温度为 110 ℃、时间为 1 分钟的条件下离解可酸基团，且辐射敏感组合物满足要求(1)和(2)中的至少一项：(1) 聚合物中含有一价碘原子；以及 (2) 辐射敏感性组合物中还含有除第一种化合物或第二种化合物之外的第三种化合物，该化合物中含有一价碘原子。
• ACRYLIC POLYMER
  申请人：Nippon Shokubai Co., Ltd.

  公开号：EP3878876A1

  公开（公告）日：2021-09-15

  A novel acrylic polymer is provided. The novel acrylic polymer is an acrylic polymer which has a lactone ring structure in the main chain and has a melt flow rate of 2 g/10 minutes or more as measured at 230°C under a load of 3.8 kg according to JIS K 7210.

  本发明提供了一种新型丙烯酸聚合物。这种新型丙烯酸聚合物是一种丙烯酸聚合物，其主链中具有内酯环结构，根据 JIS K 7210 标准，在 230°C 的温度和 3.8 公斤的载荷下测量，其熔体流动速率为 2 克/10 分钟或更高。
• Pneumatic object provided with a gastight layer containing a thermoplastic elastomer and a thermoplastic
  申请人：Abad Vincent

  公开号：US10030131B2

  公开（公告）日：2018-07-24

  A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material.

  气动物体或充气物品具有气密弹性体层。气密弹性体层包括热塑性聚异丁烯嵌段弹性体和基于至少一种热塑性材料的热熔聚合物微域。