1-acetoxyethyl dithiobenzoate | 201611-78-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1-acetoxyethyl dithiobenzoate
• 英文别名: 1-(benzenecarbonothioylsulfanyl)ethyl acetate
• CAS: 201611-78-1
• 化学式: C₁₁H₁₂O₂S₂
• 分子量: 240.347
• InChiKey: RLPYLDPCIHDUQA-UHFFFAOYSA-N

物化性质

• 沸点：
  330.8±44.0 °C(Predicted)
• 密度：
  1.225±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  15
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.27
• 拓扑面积：
  83.7
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  四氢化物钛 、 乙酸乙烯酯 、 苯二硫代甲酸 以 四氯化碳 为溶剂， 生成 1-acetoxyethyl dithiobenzoate
  参考文献：
  名称：

  POLYMERIZATION WITH LIVING CHARACTERISTICS

  摘要：

  公开号：

  EP0910587B1

文献信息

• Process for the preparation of graft copolymers by Reversible Addition Fragmentation Chain Transfer (RAFT) and Ring Opening Polymerisation (ROP)
  申请人：Polymers Australia PTY Limited

  公开号：EP1950232A1

  公开（公告）日：2008-07-30

  A combined RAFT/ROP process for the preparation of a graft co-polymer having a backbone built-up from repeating units derived by polymerization of free-radically polymerizable monomers comprising vinylic monomers, and polyester side chains grafted to said backbone derived by ring-opening polymerisation of cyclic ester compounds; said process comprising reacting a mixture of (a) one or more vinylic monomers, optionally in combination with other monomers susceptible to free-radical polymerization, wherein at least one of said vinylic monomers comprises a (free) hydroxyl group; (b) a thiocarbonylthio compound as chain transfer agent; (c) one or more cyclic esters, which is/are susceptible to a ring-opening polymerization; and (d) a compound effective for initiating the ring-opening polymerization of the one or more cyclic esters; and reacting said mixture in an inert solvent at a temperature of more than 90°C under exclusion of oxygen to form the graft copolymer.

  一种结合了RAFT/ROP过程的方法，用于制备一种接枝共聚物，其骨架由通过自由基聚合获得的重复单元构建，包括乙烯单体，并且由环酯化合物的环开聚合衍生的聚酯侧链嫁接到该骨架上；该方法包括反应以下混合物：(a) 一种或多种乙烯单体，可选地与其他易于自由基聚合的单体组合在一起，其中至少一种乙烯单体包含一个（自由）羟基；(b) 一种硫代羰基硫化合物作为链转移剂；(c) 一种或多种易于环开聚合的环酯；以及(d) 一种有效于启动一种或多种环酯的环开聚合的化合物；并在惰性溶剂中，在排除氧气的条件下，以高于90°C的温度反应该混合物，以形成接枝共聚物。
• PHOTORESPONSIVE MATERIAL, ADHESIVE, OPTICAL SWITCHING MATERIAL, TONER, AND IMAGE FORMING METHOD
  申请人：Konica Minolta, Inc.

  公开号：US20210332272A1

  公开（公告）日：2021-10-28

  A composition includes an isomerized polymer containing a structural unit containing an isomerized structure and an isomerized low molecular weight compound, the composition being fluidized by light irradiation from a solid state and being reversibly non-fluidized.

  一种组合物包括含有异构化结构单元和异构化低分子量化合物的异构化聚合物，该组合物通过固态光照而变为流动状态，并可可逆地变为非流动状态。
• Polymerization with living characteristics
  申请人：——

  公开号：US20040171777A1

  公开（公告）日：2004-09-02

  This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a monomer selected from the group consisting of vinyl monomers (of structure CH 2 ═CUV), maleic anhydride, N-alkylmaleimide, N-arylmaleimide, dialkyl fumarate and cyclopolymerizable monomers; (ii) a thiocarbonylthio compound selected from Formula (C) and Formula (D) having a chain transfer constant greater than about 0.1; and (iii) free radicals produced from a free radical source; the polymer of Formula (A) being made by contacting (i), (ii) C and (iii) and that of Formula (B) by contacting (i), (ii) D, and (iii); and (iv) controlling the polydispersity of the polymer being formed by varying the ratio of the number of molecules of (ii) to the number of molecules of (iii); wherein Q, R, U, V, Z, Z′, m, p and q are as defined in the text. 1

  该发明涉及一种自由基聚合过程，该过程采用选择的链转移剂，并由此制得的聚合物，其中该过程包括接触通式（A）和通式（B）的聚合物，其制备方法包括：（i）与乙烯单体（结构为CH2=CHX）、马来酸酐、N-烷基马来酰亚胺、N-芳基马来酰亚胺、二烷基富马酸酯和环聚合单体等一组中选择的单体接触；（ii）选择通式（C）和通式（D）的硫代氨基酸盐类，其链转移常数大于约0.1；（iii）自由基源产生的自由基；通式（A）的聚合物是通过接触（i）、（ii）C和（iii）制备的，通式（B）的聚合物是通过接触（i）、（ii）D和（iii）制备的；（iv）通过改变（ii）分子数与（iii）分子数的比率来控制正在形成的聚合物的聚分散度；其中Q、R、U、V、Z、Z'、m、p和q在文本中定义。
• Star Polymers and Compositions Thereof
  申请人：Visger C. Daniel

  公开号：US20070244018A1

  公开（公告）日：2007-10-18

  The invention provides a composition comprising: (a) a star polymer comprising: (i) a core portion comprising a polyvalent (meth)acrylic monomer, oligomer or polymer thereof or a polyvalent divinyl non-acrylic monomer, oligomer or polymer thereof; and (ii) at least two arms of polymerized alkyl(meth)acrylate ester; and (b) an oil of lubricating viscosity, wherein the core portion further comprises a functional group of formula (I): —CH 2 —C(R 1 )(C(═O)A)-Y—  (I) wherein R 1 is hydrogen, a linear or branched alkyl group containing 1 to 5 carbon atoms; A is nitrogen or oxygen; and Y is a free radical leaving group selected from the group consisting of one or more atoms or groups of atoms which may be transferred by a radical mechanism under the polymerisation conditions, a halogen, an —O—N═ group and an —S—C(═S)— group. The invention further provides the use of the composition in an oil of lubricating viscosity as a dispersant, a viscosity modifier or a precursor to a dispersant viscosity modifier.

  本发明提供了一种组合物，包括：(a) 星形聚合物，包括：(i) 核心部分，包括多价(meth)丙烯酸单体、寡聚物或聚合物或多价二乙烯基非丙烯酸单体、寡聚物或聚合物；和(ii) 至少两个聚合烷基(meth)丙烯酸酯臂；以及(b) 润滑黏度油，其中核心部分还包括式(I)的功能基：—CH2—C(R1)(C(═O)A)-Y—  (I)，其中R1是氢、含1至5个碳原子的线性或支链烷基；A是氮或氧；Y是自由基离去基，选自由基聚合条件下可以通过自由基机理转移的一个或多个原子或原子团、卤素、—O—N═基团和—S—C(═S)—基团的群。本发明还提供了将该组合物用作润滑黏度油中的分散剂、粘度改良剂或分散剂粘度改良剂的前体的用途。
• Ocular lens material having hydrophilic surface and process for preparing the same
  申请人：Menicon Co., Ltd.

  公开号：EP1136521A2

  公开（公告）日：2001-09-26

  A process for preparing an ocular lens material having hydrophilic surface, characterized by comprising the steps of (1) irradiating the surface of an ocular lens material with high-frequency plasma or excimer ultarviolet-ray; (2) contacting the surface of the ocular lens material, which is treated in accordance with the step (1), with a hydrophilic monomer-mixture solution containing at least one zwitterionic group-containing compoud; and (3) irradiating the surface of the ocular lens material, which is in the state of contacting with the hydrophilic monomer-mixture solution in the step (2), with ultravioletray having a wavelength of 250 to 500 nm and then, graft polymerizing the zwitterionic group-containing compound to the surface of the ocular lens material and then, forming a surface layer; and an ocular lens material having hydrophilic surface prepared by the process.

  一种制备具有亲水性表面的眼球镜片材料的工艺，其特征在于包括以下步骤：(1) 用高频等离子体或准分子紫外线照射眼球镜片材料的表面；(2) 将按照步骤(1)处理过的眼球镜片材料的表面与亲水性单体-混合物溶液接触，该溶液至少含有一种含有齐聚物基团的化合物；以及(3) 用紫外线照射眼球镜片材料的表面，该表面在步骤(2)中处于与亲水性单体-混合物溶液接触的状态；(3) 用波长为 250 至 500 纳米的紫外线照射处于步骤(2)中与亲水单体-混合物溶液接触状态的眼 镜片材料表面，然后将含齐聚物基团的化合物接枝聚合到眼镜片材料表面，然后形成表层； 以及通过该工艺制备的具有亲水性表面的眼镜片材料。