4-Methyl-1,4-pentanediyl dimethacrylate | 824969-82-6

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 4-Methyl-1,4-pentanediyl dimethacrylate
• 英文别名: [4-methyl-4-(2-methylprop-2-enoyloxy)pentyl] 2-methylprop-2-enoate
• CAS: 824969-82-6
• 化学式: C₁₄H₂₂O₄
• 分子量: 254.32
• InChiKey: RNVBRRULAALBHT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  18
• 可旋转键数：
  9
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.57
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• METHOD FOR PRODUCING (METH) ACRYLATE ESTER COMPOUNDS
  申请人：KURARAY CO., LTD.

  公开号：US20180050975A1

  公开（公告）日：2018-02-22

  An object of the invention is to provide a method for producing a (meth)acrylate ester compound by the transesterification of an alkyl (meth)acrylate with an alcohol compound having a tertiary hydroxyl group so as to esterify all the hydroxyl groups present in the alcohol compound with a high yield or, in a preferred embodiment, a method for esterifying a polyhydric alcohol compound having a tertiary hydroxyl group and also having a primary hydroxyl group and/or a secondary hydroxyl group by one-pot transesterification into a (meth)acrylate ester compound of the polyhydric alcohol. The method for producing a (meth)acrylate ester compound includes a step (I) of transesterifying an alkyl (meth)acrylate with an alcohol compound having a tertiary hydroxyl group using a transesterification catalyst including a complex of iron with a specific ligand, the water content in the transesterification reaction system being not more than 1000 ppm.

  发明的目的是提供一种通过烷基（甲基）丙烯酸酯与具有三级羟基的醇化合物的酯交换反应来酯化醇化合物中所有羟基的高收率的制备（甲基）丙烯酸酯化合物的方法，或者在一种首选实施方式中，提供一种通过一锅法酯交换反应将具有三级羟基和一级羟基和/或二级羟基的多羟醇化合物酯化为多羟醇的（甲基）丙烯酸酯化合物的方法。生产（甲基）丙烯酸酯化合物的方法包括以下步骤：（I）使用铁与特定配体形成的酯交换催化剂将烷基（甲基）丙烯酸酯与具有三级羟基的醇化合物进行酯交换反应，酯交换反应体系中的水含量不超过1000 ppm。
• Method For Reducing Negative Effects Of Adhesive Contaminants In Systems Of Substances Comprising Waste Paper
  申请人：Kohler Achim

  公开号：US20120186761A1

  公开（公告）日：2012-07-26

  The invention relates to a method for reducing the negative effects of adhesive contaminants in the processing of waste paper, wherein an aqueous polymer dispersion comprising one component A and one component B for coagulation and detackification of stickies is added during the processing of waste paper, wherein component A is a homo- and/or copolymer of methyl methacrylate, acrylate and/or styrene and component B is a styrene copolymer having acrylic acid, maleimide and/or maleic acid hydride. The polymer dispersion can optionally comprise another component C, a cationic fixing agent that supports the coagulation of the stickies.

  本发明涉及一种减少废纸加工中粘性污染物负面影响的方法，其中在废纸加工过程中添加一种包括一种A组分和一种B组分的水性聚合物分散剂，用于凝聚和去除粘性污染物，其中组分A是甲基丙烯酸甲酯、丙烯酸酯和/或苯乙烯的同聚和/或共聚物，组分B是一种苯乙烯共聚物，其具有丙烯酸、马来酰亚胺和/或马来酸酐。该聚合物分散剂可以选择性地包括另一种组分C，即阳离子固定剂，以支持粘性污染物的凝聚。
• ACTIVE ENERGY RAY-CURABLE COMPOSITION
  申请人：Kuraray Co., Ltd.

  公开号：EP3184563A1

  公开（公告）日：2017-06-28

  The invention provides active energy ray curable compositions which exhibit good curability with active energy rays and which have a low viscosity to attain excellent application properties when applied as materials such as adhesives or coatings onto substrates and can give highly flexible cured products upon irradiation with active energy rays. An active energy ray curable composition includes a (meth) acrylic triblock copolymer (A) including a (meth) acrylic polymer block (s) (aA) having an active energy ray curable group containing a partial structure represented by the following general formula (1), and a (meth)acrylic polymer block(s) (bA) having no active energy ray curable groups, and a (meth) acrylic diblock copolymer (B) including a (meth) acrylic polymer block (aB) having an active energy ray curable group containing a partial structure represented by the following general formula (1), and a (meth)acrylic polymer block (bB) having no active energy ray curable groups, the composition having a ratio of Mn (bB)/Mn (bA) in the range of 0.2 to 2.0 wherein Mn (bB) is the number average molecular weight of the (meth)acrylic polymer block (bB) present in the (meth)acrylic diblock copolymer (B), and Mn (bA) is the number average molecular weight of the (meth) acrylic polymer block (bA) present in the (meth)acrylic triblock copolymer (A). (In the formula, R1 is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.)

  本发明提供了活性能量射线固化组合物，该组合物在活性能量射线下具有良好的固化性，且粘度低，在作为粘合剂或涂料等材料应用于基材时可获得优异的应用性能，并可在活性能量射线照射下获得高柔韧性的固化产品。一种活性能量射线固化组合物包括(甲基)丙烯酸三嵌段共聚物 (A)，包括具有活性能量射线固化基团的(甲基)丙烯酸聚合物嵌段 (aA)，其部分结构由以下通式 (1) 表示，以及不具有活性能量射线固化基团的(甲基)丙烯酸聚合物嵌段 (bA)、和(甲基)丙烯酸二嵌段共聚物 (B)，包括具有活性能量射线可固化基团的(甲基)丙烯酸聚合物嵌段 (aB)，其部分结构由以下通式 (1) 表示，以及不具有活性能量射线可固化基团的(甲基)丙烯酸聚合物嵌段 (bB)，该组合物的 Mn (bB)/Mn (bA) 比率范围为 0.其中 Mn (bB) 是存在于(甲基)丙烯酸二嵌段共聚物(B)中的(甲基)丙烯酸聚合物嵌段(bB)的平均分子量，Mn (bA) 是存在于(甲基)丙烯酸三嵌段共聚物(A)中的(甲基)丙烯酸聚合物嵌段(bA)的平均分子量。 (式中，R1 是氢原子或具有 1 至 20 个碳原子的烃基）。
• DENTAL POLYMERIZABLE COMPOSITION
  申请人：Kuraray Noritake Dental Inc.

  公开号：EP3195846A1

  公开（公告）日：2017-07-26

  The present invention provides a dental polymerizable composition that requires less discharging force, is easily formable, has low polymerization shrinkage stress during curing, and exhibits high stain resistance and surface gloss when cured. The present invention relates to a dental polymerizable composition including a (meth)acrylic block copolymer (A), a polymerizable monomer (B), and a polymerization initiator (C). The (meth)acrylic block copolymer (A) consists of a (meth)acrylic polymer block (a) having a curable functional group and a (meth)acrylic polymer block (b) having no curable functional group. The curable functional group has a partial structure represented by the following general formula (1):

  本发明提供了一种牙科可聚合组合物，该组合物所需的放电力较小，易于成型，固化过程中的聚合收缩应力较低，固化后具有较高的抗污性和表面光泽。本发明涉及一种牙科可聚合组合物，包括（甲基）丙烯酸嵌段共聚物（A）、可聚合单体（B）和聚合引发剂（C）。甲基丙烯酸嵌段共聚物（A）由具有可固化官能团的甲基丙烯酸聚合物嵌段（a）和不具有可固化官能团的甲基丙烯酸聚合物嵌段（b）组成。可固化官能团的部分结构由以下通式（1）表示：
• METHOD FOR PREPARING (METH)ACRYLIC ACID ESTER COMPOUND
  申请人：Kuraray Co., Ltd.

  公开号：EP3269701A1

  公开（公告）日：2018-01-17

  An object of the invention is to provide a method for producing a (meth)acrylate ester compound by the transesterification of an alkyl (meth) acrylate with an alcohol compound having a tertiary hydroxyl group so as to esterify all the hydroxyl groups present in the alcohol compound with a high yield or, in a preferred embodiment, a method for esterifying a polyhydric alcohol compound having a tertiary hydroxyl group and also having a primary hydroxyl group and/or a secondary hydroxyl group by one-pot transesterification into a (meth)acrylate ester compound of the polyhydric alcohol. The method for producing a (meth) acrylate ester compound includes a step (I) of transesterifying an alkyl (meth)acrylate with an alcohol compound having a tertiary hydroxyl group using a transesterification catalyst including a complex of iron with a specific ligand, the water content in the transesterification reaction system being not more than 1000 ppm.

  本发明的目的是提供一种通过(甲基)丙烯酸烷基酯与具有叔羟基的醇类化合物的酯化反应生产(甲基)丙烯酸酯化合物的方法，从而以高收率或高产率酯化存在于醇类化合物中的所有羟基、在一个优选的实施方案中，一种通过单锅酯交换反应将具有叔羟基且具有伯羟基和/或仲羟基的多元醇化合物酯交换成该多元醇的(甲基)丙烯酸酯化合物的方法。生产(甲基)丙烯酸酯化合物的方法包括步骤(I)使用酯交换催化剂将(甲基)丙烯酸烷基酯与具有叔羟基的醇化合物酯交换，该催化剂包括铁与特定配位体的络合物，酯交换反应体系中的水含量不超过1000ppm。