1,3-Diisopropyldiazetidinedione | 67463-80-3

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 有机碳酸及其衍生物
• 英文名称: 1,3-Diisopropyldiazetidinedione
• 英文别名: 1,3-diisopropyl-[1,3]diazetidine-2,4-dione；1,3-Di(propan-2-yl)-1,3-diazetidine-2,4-dione
• CAS: 67463-80-3
• 化学式: C₈H₁₄N₂O₂
• 分子量: 170.211
• InChiKey: YRYBSMKQIVCWOK-UHFFFAOYSA-N

物化性质

• 沸点：
  80-83 °C(Press: 14 Torr)
• 密度：
  1.132±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  40.6
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  2,4-Diisopropyl-allophanoylchlorid 、 三乙烯二胺 以55%的产率得到
  参考文献：
  名称：

  WHITE D. K.; GREENE F. D., J. ORG. CHEM., 1978, 43, NO 23, 4530-4532

  摘要：

  DOI：

文献信息

• MULTI-AZIRIDINE COMPOUND
  申请人：DSM IP ASSETS B.V.

  公开号：US20210332031A1

  公开（公告）日：2021-10-28

  The present invention relates to a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): (A) whereby R′, R″, R 1 , R 2 , R 3 and R 4 are as defined herein m is an integer from 1 to 6; b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 600 Daltons to 5000 Daltons. The multi-aziridine compound can be used for example for crosslinking of for example carboxylic acid functional polymers dissolved and/or dispersed in an aqueous medium.

  本发明涉及一种多环氮丙烷化合物，其具有：a) 2至6个以下结构单元（A）：（A），其中R′、R″、R1、R2、R3和R4如本文所定义，m为1至6的整数；b) 一个或多个连接链，其中每个连接链连接两个结构单元A；以及c) 分子量在600道尔顿至5000道尔顿范围内。该多环氮丙烷化合物可用于例如交联溶解和/或分散在水性介质中的羧酸官能聚合物。
• Polyisocyanurate plastics having high thermal stability
  申请人：Covestro Deutschland AG

  公开号：US10597484B2

  公开（公告）日：2020-03-24

  The present invention relates to a polyisocyanurate plastic obtainable by catalytic trimenzation of a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates, where the isocyanurate structure content in the polyisocyanate composition A) is at least 50 mol %, based on the sum total of the oligomeric structures from the group consisting of uretdione, isocyanurate, allophanate, biuret, iminooxadiazinedione and oxadiazinetrione structure that are present in the polyisocyanate composition A). The present invention further relates to a transparent element comprising or consisting of the polyisocyanurate plastic. The invention likewise relates to a process for producing the polyisocyanurate plastics.

  本发明涉及一种多异氰酸酯塑料，可通过催化多异氰酸酯组合物 A)的三苯甲烷化来 获得，该组合物含有低聚多异氰酸酯且单体二异氰酸酯含量低，其中多异氰酸酯组合物 A) 中的异氰尿酸酯结构含量至少为 50 摩尔%、根据存在于多异氰酸酯组合物 A) 中的由脲二酮、异氰尿酸酯、异烷酸酯、双脲、亚胺氧二嗪二酮和氧二嗪三酮结构组成的组中的低聚物结构的总和计算。本发明还涉及一种由聚异氰脲酸酯塑料组成或构成的透明元件。本发明还涉及一种生产聚异氰脲酸酯塑料的工艺。
• Piezo-resistive materials
  申请人：Nano and Advanced Materials Institute Limited

  公开号：US10745512B2

  公开（公告）日：2020-08-18

  The present disclosure provides a pressure sensor composition that includes a crosslinked polymer, a conductive carbon material and an elastomeric rubber, pressure sensors including the same, and methods of preparation and use thereof.

  本公开提供了一种压力传感器组合物（包括交联聚合物、导电碳材料和弹性橡胶）、包括该组合物的压力传感器及其制备和使用方法。
• Polyisocyanurate polymer and process for the production of polyisocyanurate polymers
  申请人：Covestro Deutschland AG

  公开号：US10752723B2

  公开（公告）日：2020-08-25

  The present invention relates to novel polyisocyanurate plastics which are obtainable by catalytic trimerization of a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates. “Low in monomeric diisocyanates” means that the polyisocyanate composition A) has a content of monomeric diisocyanates of at most 20% by weight. The invention further relates to the use of these polyisocyanurate plastics for production of coatings, films, semi-finished products and mouldings, and to a process for producing polyisocyanurate plastics comprising the following steps: (a) providing a polyisocyanate composition A) which contains oligomeric polyisocyanates and is low in monomeric diisocyanates, “low in monomeric diisocyanates” meaning that the polyisocyanate composition A) has a content of monomeric diisocyanates of at most 20% by weight; (b) catalytically trimerizing the polyisocyanate composition A).

  本发明涉及新型聚异氰酸酯塑料，可通过对含有低聚多异氰酸酯且单体二异氰酸酯 含量低的多异氰酸酯组合物 A) 进行催化三聚化来获得。"单体二异氰酸酯含量低 "是指多异氰酸酯组合物 A) 的单体二异氰酸酯含量最多为 20%（按重量计）。本发明还涉及使用这些聚异氰酸酯塑料生产涂料、薄膜、半成品和模塑件，以及生产 聚异氰酸酯塑料的工艺，包括以下步骤：(a) 提供含有低聚多异氰酸酯且单体二异氰酸酯含量低的多异氰酸酯组合物 A)，"单体二异氰酸酯含量低 "是指多异氰酸酯组合物 A)的单体二异氰酸酯含量最多为 20%（按重量计）； (b) 对多异氰酸酯组合物 A)进行催化三聚。
• Hydrophobically modified polyisocyanurate plastic and method for production thereof
  申请人：Covestro Deutschland AG

  公开号：US11286332B2

  公开（公告）日：2022-03-29

  The invention relates to novel modified polyisocyanurate plastics, obtainable by means of catalytic trimerization of a composition (A), wherein the composition (A) contains oligomeric, modified polyisocyanates (B), which represent a reaction product from an oligomeric polyisocyanate (B1) and at least one functionalization reagent (B2) which is reactive to isocyanate groups, wherein the composition (A) comprises a content of monomeric diisocyanates of 20 wt % at maximum and wherein the at least one functionalization reagent (B2) which is reactive to isocyanate groups has at least one relative functional group which is reactive to isocyanate groups and which is not an isocyanate group. The invention further relates to the method by which the polyisocyanurate plastics according to the invention are obtainable, to the use of the polyisocyanurate plastics according to the invention for producing coatings, films, semi-finished products, composite materials and molded parts, and substrates coated by such a coating.

  本发明涉及一种新型的改性聚异氰脲酸酯塑料，可通过催化三聚反应制备，具体是通过组分(A)的催化三聚反应获得，其中组分(A)包含寡聚的、改性过的聚异氰酸酯(B)，其为寡聚聚异氰酸酯(B1)与至少一种能与异氰酸酯基团反应的功能化试剂(B2)的反应产物，其中组分(A)中单体二异氰酸酯的含量不超过20%重量比，且至少一种能与异氰酸酯基团反应的功能化试剂(B2)具有至少一个与异氰酸酯基团反应的相对功能基团，且该功能基团不是异氰酸酯基团。本发明还涉及制备所述改性聚异氰脲酸酯塑料的方法，以及将所述聚异氰脲酸酯塑料用于生产涂层、薄膜、半成品、复合材料和成型件，以及涂覆有该涂层的基材。