1,4-Bis-isocyanatomethyl-2,5-dimethyl-benzene | 25131-05-9

• 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: 1,4-Bis-isocyanatomethyl-2,5-dimethyl-benzene
• 英文别名: 1,4-Bis(isocyanatomethyl)-2,5-dimethylbenzene
• CAS: 25131-05-9
• 化学式: C₁₂H₁₂N₂O₂
• 分子量: 216.239
• InChiKey: RCSAABUOTKIOBF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.1
• 重原子数：
  16
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  58.9
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• AQUEOUS DISPERSION
  申请人：Covestro Deutschland AG

  公开号：EP3546493A1

  公开（公告）日：2019-10-02

  The invention relates to a polyurethane polymer-based aqueous dispersion and a method for preparing the same, a composition comprising the aqueous dispersion, use of the composition, and a coated article. The aqueous dispersion comprises a polyurethane polymer and water, wherein the polyurethane polymer is obtained by reacting a system comprising the following components: an isocyanate compound comprising a pentamethylene diisocyanate, wherein the amount of the pentamethylene diisocyanate is not less than 25 wt.% based on that the amount of the isocyanate compound is 100 wt.%; a polymer polyol having a number average molecular weight of not less than 400 g/mol, wherein the polymer polyol comprises a carbon dioxide-derived polyether carbonate polyol, the amount of which is not less than 40 wt.% based on that the amount of the polymer polyol is 100 wt.%; an amino compound having an amino functionality of greater than 1; and a compound comprising at least one isocyanate-reactive group and at least one ionic or potentially ionic hydrophilic group.

  本发明涉及一种基于聚氨酯聚合物的水性分散体及其制备方法、一种包含该水性分散体的组合物、该组合物的用途以及一种涂层制品。水性分散体由聚氨酯聚合物和水组成，其中聚氨酯聚合物是通过与包含以下成分的体系反应而得 到的：由五亚甲基二异氰酸酯组成的异氰酸酯化合物，其中五亚甲基二异氰酸酯的含量不低于 25 wt.%，而异氰酸酯化合物的含量为 100 wt.其中，聚合物多元醇包括二氧化碳衍生的聚醚碳酸酯多元醇，以聚合物多元醇的用量为 100 重量％计，其用量不小于 40 重量％；具有大于 1 的氨基官能度的氨基化合物；以及包含至少一个异氰酸酯反应基团和至少一个离子或潜在离子亲水基团的化合物。
• IONICALLY HYDROPHILIZED POLYISOCYANATES WITH IMPROVED DRYING
  申请人：Covestro Deutschland AG

  公开号：EP3599255A1

  公开（公告）日：2020-01-29

  The invention relates to a polyisocyanate mixture comprising a polyisocyanate component A) having aliphatically and/or cycloaliphatically bonded isocyanate groups and a polyisocyanate component B) having araliphatically and/or aromatically bonded isocyanate groups, characterized in that the polyisocyanate component A) comprises at least 0.85% by weight of sulfonate groups (calculated as SO3; molar weight = 80 g/mol) in chemically bonded form and the proportion of the polyisocyanate component B) is 7 to 43% by weight of the total amount of the components A) and B). The invention further relates to the use thereof and also coating compositions comprising the polyisocyanate mixture and also the substrates coated with these coating compositions.

  本发明涉及一种多异氰酸酯混合物，包括具有脂肪族和/或环脂肪族键合异氰酸酯基团的多异氰酸酯组分 A)和具有芳香族和/或芳香族键合异氰酸酯基团的多异氰酸酯组分 B)，其特征在于多异氰酸酯组分 A)包括至少 0.85%(重量)的磺酸基团(以 SO3 计算；摩尔重量 = 80 g/mol)以化学键形式结合，多异氰酸酯组分 B)的比例为组分 A)和 B)总量的 7%至 43%(重量)。本发明还涉及其用途、包含该多异氰酸酯混合物的涂料组合物以及涂有这些涂料组合物的基材。
• LATENT-REAKTIVE KLEBSTOFFZUBEREITUNGEN
  申请人：Covestro Deutschland AG

  公开号：EP3730528A1

  公开（公告）日：2020-10-28

  Die vorliegende Erfindung betrifft die Verwendung von festen Polycarbodiimidharzen mit einer Erweichungstemperatur > +30°C als Vernetzungsmittel für Klebstoffdispersionspolymere. Die Mischungen aus wenigstens einem festen Polycarbodiimdharz und wenigstens einer Polymerdispersion eignen sich für die Herstellung von lagerstabilen latent-reaktiven Klebstoffdispersionen, latent-reaktiven Klebstoffschichten, selbsttragenden latent-reaktiven Klebstofffolien oder latent-reaktiven Klebstoffpulvern.

  本发明涉及使用软化温度大于 +30°C 的固体聚碳二亚胺树脂作为粘合剂分散聚 合物的交联剂。至少一种固体聚碳二亚胺树脂和至少一种聚合物分散体的混合物适用于生产储存稳定的潜伏反应型粘合剂分散体、潜伏反应型粘合剂层、自支撑潜伏反应型粘合剂薄膜或潜伏反应型粘合剂粉末。
• METHOD FOR THE PRODUCTION OF EPOXY-GROUP TERMINATED POLYOXAZOLIDINONES
  申请人：Covestro Deutschland AG

  公开号：EP3750933A1

  公开（公告）日：2020-12-16

  The invention is related to a process for producing an epoxy-group terminated polyoxazolidinone comprising the copolymerization of a polyisocyanate compound (A) with two or more isocyanate groups with a polyepoxide compound (B) with two or more epoxy groups in the presence of a specific catalyst (C), wherein the molar ratio of the epoxy groups of the polyepoxide compound (B) to the isocyanate groups of the polyisocyanate compound (A) is larger than 2:1 and less than 25:1, and wherein the copolymerization is operated in the absence of an additional solvent (D-1) with an boiling point higher than 170 °C, preferred, 165 °C, more preferred 160°C most preferred 150 °C at 1 bar (absolute). The invention is also related to the resulting epoxy-group terminated polyoxazolidinones.

  本发明涉及一种生产环氧基端聚噁唑烷酮的工艺，包括具有两个或两个以上异氰酸酯基团的聚异氰酸酯化合物(A)与具有两个或两个以上环氧基团的聚环氧化合物(B)在特定催化剂(C)存在下的共聚，其中聚环氧化合物(B)的环氧基团与聚异氰酸酯化合物(A)的异氰酸酯基团的摩尔比大于2：其中共聚是在没有附加溶剂（D-1）的情况下进行的，该溶剂在 1 巴（绝对值）下的沸点高于 170℃，优选 165℃，更优选 160℃，最优选 150℃。本发明还涉及由此得到的环氧基端聚噁唑烷酮。
• METHOD FOR THE PRODUCTION OF ISOCYANATE-GROUP TERMINATED POLYOXAZOLIDINONES
  申请人：Covestro Deutschland AG

  公开号：EP3750934A1

  公开（公告）日：2020-12-16

  The invention is related to a process for producing an isocyanate-group terminated polyoxazolidinone comprising the copolymerization of a polyisocyanate compound (A) with two or more isocyanate groups with a polyepoxide compound (B) with two or more epoxy groups in the presence of a specific catalyst (C), wherein the molar ratio of the isocyanate groups of the polyisocyanate compound (B) to the epoxy groups of the polyepoxide compound (A) is larger than 2:1 and less than 25:1. The invention is also related to the resulting isocyanate-group terminated polyoxazolidinones.

  本发明涉及一种生产异氰酸酯基团封端多恶唑烷酮的工艺，包括在特定催化剂（C）存在下，具有两个或两个以上异氰酸酯基团的多异氰酸酯化合物（A）与具有两个或两个以上环氧基团的多环氧化物化合物（B）共聚，其中多异氰酸酯化合物（B）的异氰酸酯基团与多环氧化物化合物（A）的环氧基团的摩尔比大于 2:1，小于 25:1。本发明还涉及由此得到的异氰酸酯基团封端的聚噁唑烷酮。