2-咪唑酮 | 121325-67-5

• 物质功能分类: 有机原料 - 杂环化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑烷类
• 中文名称: 2-咪唑酮
• 中文别名: 亚乙基脲(2-咪唑酮)；亚乙基脲(2-咪唑啉酮半水合物)；2-咪唑啉酮半水合物
• 英文名称: 2-Imidazolidinone hemihydrate
• 英文别名: imidazolidin-2-one;hydrate
• CAS: 121325-67-5
• 化学式: C6H14N4O3
• 分子量: 190.2
• InChiKey: KPRJGGOOWATRNT-UHFFFAOYSA-N

物化性质

• 熔点：
  58 °C
• 沸点：
  100 °C
• 密度：
  1.3 g/cm3 (20 °C)
• 闪点：
  265 °C
• 稳定性/保质期：

  如果按照规定使用和储存，则不会分解，也没有已知的危险反应。避免与氧化物接触。

计算性质

• 辛醇/水分配系数(LogP)：
  -2.23
• 重原子数：
  13
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  83.3
• 氢给体数：
  5
• 氢受体数：
  3

安全信息

• TSCA：
  Yes
• 危险品标志：
  Xn
• 安全说明：
  S26,S36/37
• 危险类别码：
  R36,R62

文献信息

• NON-ETHERIFIED REACTION PRODUCT OF A CYCLIC UREA AND A MULTIFUNCTIONAL ALDEHYDE
  申请人：Gupta Ram

  公开号：US20130217824A1

  公开（公告）日：2013-08-22

  The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterised in that the degree of etherification, measured as the ratio <<(- 0 -R)/<<(U) of the amount of substance n(-O-R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance <<(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

  本发明涉及一种涂层组合物，其包括至少一种多功能醛A与至少一种环状脲U的反应产物UA和至少具有羟基官能团、酸官能团、酰胺官能团、氨基官能团、亚氨基官能团、巯基官能团、膦官能团和氨基甲酸酯官能团中的一种官能团的可交联树脂，并且其特征在于醛多功能化合物的取代基的乙醚化程度，以<<(-0-R)/<<(U)的比率测量，即醛多功能化合物在反应产物UA中与环状脲U化学结合的烷氧基物质n(-O-R)的数量与反应产物中化学结合的环状脲U的物质<< (U)的数量之比小于0.01 mol/mol，以及制备反应产物UA的方法。
• Process for the Preparation of a Crosslinker Composition
  申请人：CYTEC TECHNOLOGY CORP.

  公开号：EP2292686A1

  公开（公告）日：2011-03-09

  This invention is directed to a process for the preparation of a crosslinker composition, comprising the steps of providing a mixture of an aliphatic alcohol A having at least one hydroxyl group and from 1 to 10 carbon atoms, with at least one multifunctional aldehyde C having at least two aldehyde groups -CHO to form a mixture AC, heating the mixture AC to convert at least a part of the multifunctional aldehyde C to its hemiacetal or to its acetal to form a mixture (AC)', adding to the mixture (AC)' least one cyclic urea U or the educts to produce the said cyclic urea U in situ, which cyclic urea U has at least one unsubstituted NH group, and reacting the mixture thus obtained to form a chemical bond between the nitrogen atom of the at least one unsubstituted NH group of the at least one cyclic urea U, and the carbon atom of the least one aldehyde group -CHO of the multifunctional aldehyde C, and coating compositions comprising the said crosslinker composition.

  本发明涉及一种交联剂组合物的制备方法，包括以下步骤：提供至少具有一个羟基和 1 至 10 个碳原子的脂肪醇 A 与至少具有两个醛基 -CHO 的多功能醛 C 的混合物，形成混合物 AC；加热混合物 AC，将至少部分多功能醛 C 转化为其半缩醛或缩醛，形成混合物 (AC)'、向混合物（AC）'中加入至少一种环状脲 U 或在原位生成所述环状脲 U 的助熔剂，环状脲 U 具有至少一个未取代的 NH 基团，并使由此获得的混合物发生反应，在至少一种环状脲 U 的至少一个未取代的 NH 基团的氮原子与多功能醛 C 的至少一个醛基 -CHO 的碳原子之间形成化学键，以及包含所述交联剂组合物的涂料组合物。
• Reaction product of a cyclic urea and a multifunctional aldehyde
  申请人：Gupta Ram B.

  公开号：US10155836B2

  公开（公告）日：2018-12-18

  The invention relates to a reaction product UA of at least one cyclic urea U and at least one multifunctional aldehyde A which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde A at least one kind of functional groups selected from the group consisting of hydroxyl groups —OH and alkoxy groups —OR characterised in that the groups —OR comprise at least two kinds of alkoxy groups —OR1 and —OR2, where R1 and R2 are both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where R1 and R2 may be the same or may be different from each other, to a process of making these, and to a method of use as crosslinker in coating compositions.

  本发明涉及至少一种环状脲 U 和至少一种多官能团醛 A 的反应产物 UA，该反应产物在醛 A 的羰基碳原子上具有至少一种从羟基-OH 和烷氧基-OR 所组成的组中选出的官能团，其特征在于，烷氧基-OR 至少包括两种烷氧基-OR1 和-OR2、其中 R1 和 R2 均选自具有 1 至 12 个碳原子的直链、支链或环状烷基，R1 和 R2 可以相同，也可以不同。
• Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde
  申请人：Gupta Ram

  公开号：US10174219B2

  公开（公告）日：2019-01-08

  The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterized in that the degree of etherification, measured as the ratio <<(—O—R)/<<(U) of the amount of substance n(-O—R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance <<(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

  本发明涉及一种涂料组合物，该组合物包含至少一种多官能团醛A与至少一种环状脲U的反应产物UA，以及具有至少一种官能团的可交联树脂，这些官能团选自由羟基官能团、酸官能团、酰胺官能团、氨基官能团、亚氨基官能团、硫醇官能团、膦官能团和氨基甲酸酯官能团组成的组、(-O-R)/<<<(U))与反应产物中化学结合的环状脲 U 的物质 <<(U)的量之比小于 0.01 mol/mol，以及制备反应产物UA的工艺。
• Modified amino resins
  申请人：ALLNEX IP S.A.R.L.

  公开号：US10179829B2

  公开（公告）日：2019-01-15

  This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.

  本发明涉及由环亚烷基脲 U、至少一种多功能醛 A2 和 (a) 与环亚烷基脲 U 不同的氨基原基 M 和 (b) 单功能醛 A1 中的至少一种反应制得的产品 H、其中产物 H 可选择通过 N-H 基团和醛基团加成反应形成的至少部分羟基与具有 1 至 10 个碳原子的醇反应而被醚化，其中乙二醛存在于至少一种多功能醛 A2 中，以及它们的制备工艺和在涂料组合物中的使用方法。