cyclohex-4-ene-1,3-dicarboxylic acid-anhydride | 4717-62-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 内酯类
• 英文名称: cyclohex-4-ene-1,3-dicarboxylic acid-anhydride
• 英文别名: Cyclohex-4-en-1,3-dicarbonsaeure-anhydrid；3-Oxabicyclo[3.3.1]non-6-ene-2,4-dione
• CAS: 4717-62-8
• 化学式: C₈H₈O₃
• 分子量: 152.15
• InChiKey: IFFLPUCUDCCKMR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  cyclohex-4-ene-1,3-dicarboxylic acid-anhydride 生成 Δ³-tetrahydroisophthalic acid 、 环己-4-烯-1,3-二羧酸
  参考文献：
  名称：

  Farmer; Richardson, Journal of the Chemical Society, 1926, p. 2173,2177

  摘要：

  DOI：
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 乙酰氯 作用下， 生成 cyclohex-4-ene-1,3-dicarboxylic acid-anhydride 、 Δ³-tetrahydroisophthalic acid
  参考文献：
  名称：

  Farmer; Richardson, Journal of the Chemical Society, 1926, p. 2173,2177

  摘要：

  DOI：

文献信息

• Method of direct manufacture of pigmented polyurethane powder
  申请人：BAYER AG

  公开号：EP0392285A2

  公开（公告）日：1990-10-17

  The present invention is directed to a process for the direct production of a pigmented thermoplastic polyurethane powder in finely divided form by a) reacting with agitation at an overall equivalent ratio of isocyanate groups to isocyanate reactive groups of about 0.5 to 1.1 (i) a surfactant-stabilized emulsion of fine droplets of a first reactant which has an average of about two isocyanate or isocyanate reactive groups in admixture with at least one pigment with (ii) a second reactant which contain an average of about two isocyanate or isocyanate reactive groups, in an inert organic liquid in which the first reactant, the pigment and the powder are substantially insoluble or immiscible to form particles of the powder which are protected from agglomeration by the surfactant, and b) separating the particles of the powder from the inert organic liquid. The present invention is also directed to the pigmented thermoplastic polyurethane powders obtained by this process.

  本发明涉及一种直接生产精细分散的着色热塑性聚氨酯粉末的工艺，其方法是 a) 在异氰酸酯基团与异氰酸酯活性基团的总当量比约为 0.5 至 1.1 的条件下，搅拌反应 (i) 第一种反应物的表面活性剂稳定乳液，该反应物具有平均约两个异 氰酸酯基团或异氰酸酯反应基团，并与至少一种颜料混合； (ii) 第二种反应物，该反应物具有平均约两个异氰酸酯基团或异氰酸 酯反应基团，并与至少一种颜料混合。 (ii) 第二反应物，平均含有约两个异氰酸酯或异氰酸酯活性基团、 在惰性有机液体中，其中第一反应物、颜料和粉末基本上不溶或不混溶，以形成粉末颗粒，这些颗粒受到表面活性剂的保护而不团聚，以及 b) 将粉末颗粒从惰性有机液体中分离出来。 本发明还涉及通过该工艺获得的着色热塑性聚氨酯粉末。
• Continuous process for the production of powdered polyisocyanate addition products and the powders produced therefrom
  申请人：BAYER AG

  公开号：EP0394789A1

  公开（公告）日：1990-10-31

  The present invention is directed to a continuous process for the production of powdered polyisocyanate addition products in finely divided form which by simultaneously a) mixing a polyisocyanate component, an isocyanate-reactive component and an inert organic medium containing a surfactant, wherein at least one of the components is insoluble in the inert organic medium, in a low shear stator-rotor dynamic mixer operating at speeds of about 300 to 8000 rpm, utilizing a mixing wattage of about 0.05 to 10.0 watts per cubic centimeter and having a mixing volume of at least about 0.1 liters and b) reacting the polyisocyanate component with the isocyanate reactive-reactive component in the inert organic medium to form solid polyisocyanate addition products which can be separated from the inert organic medium to form a powder, the average residence time of the components and the inert organic medium in the dynamic mixer being about 3 to 300 seconds and the overall flow rate through the dynamic mixer being at least about 20 kg/h. The present inventon is also directed to the powdered polyisocyanate addition products produced by this process.

  本发明涉及一种生产粉末状多异氰酸酯添加剂细粒产品的连续工艺，该工艺通过同时 a) 在低剪切力的定转子动态混合器中混合多异氰酸酯组分、异氰酸酯反应组分和含有表面活性剂的惰性有机介质，其中至少有一种组分不溶于惰性有机介质，混合器的转速约为 300 至 8000 转/分，混合功率约为 0.05 至 10.0 瓦/立方厘米，混合体积至少约为 0.1 升，以及 b) 在惰性有机介质中使多异氰酸酯组分与异氰酸酯活性反应组分反应，形成固体多异氰酸酯添加产物，该产物可从惰性有机介质中分离出来形成粉末，组分和惰性有机介质在动态混合器中的平均停留时间约为 3 至 300 秒，通过动态混合器的总流量至少约为 20 公斤/小时。 本发明还涉及通过该工艺生产的粉末状多异氰酸酯添加产品。
• Method for producing liquid urethane prepolymer and resin composition
  申请人：Dainippon Ink and Chemicals, Inc.

  公开号：US20020077444A1

  公开（公告）日：2002-06-20

  A method for producing an isocyanate group-blocked liquid urethane prepolymer which comprises: reacting a lactone-modified diol (3) with a polyfunctional isocyanate (4) to form an isocyanate group-having urethane prepolymer (5), wherein said lactone-modified diol (3) is obtainable by ring-opening addition polymerization of a lactone monomer (2) with a diol (1) selected from the group consisting of a polyalkylene ether diol, a polyester diol and a polycarbonate diol; and then reacting said urethane prepolymer with a blocking agent (6).

  一种生产异氰酸酯基封端液体聚氨酯预聚物的方法，包括将内酯改性二元醇 (3) 与多官能度异氰酸酯 (4) 反应，形成具有异氰酸酯基团的聚氨酯预聚物 (5)，其中所述内酯改性二元醇 (3) 可通过内酯单体 (2) 与选自聚烷基醚二元醇、聚酯二元醇和聚碳酸酯二元醇组成的组的二元醇 (1) 开环加成聚合获得；然后使所述聚氨酯预聚物与封端剂 (6) 反应。
• Curable resinous compositions and scratch resistant countertops derived therefrom
  申请人：Quackenbush Michael James

  公开号：US20050096417A1

  公开（公告）日：2005-05-05

  A resinous curable composition comprises: (A) an epoxy resin; (B) at least carboxylic acid anhydride; (C) at least one inorganic filler, wherein at least 80% of the particles of the filler have a particle diameter size between about 10 to about 40 microns; and (D) at least one inorganic filler, wherein at least 80% of the particles of the filler have a particle diameter size greater than about 90 microns and is preferably either sand and/or granite chips. The curable composition may be hardened in the presence of a heat activated catalyst to render a scratch resistant hard surface, suitable for use as a countertop or laboratory bench top. The composition may contain as high as 89% inorganic filler.

  树脂固化组合物包括：(A) 环氧树脂；(B) 至少羧酸酐；(C) 至少一种无机填料，其中至少 80% 的填料颗粒的粒径大小在约 10 到约 40 微米之间；以及 (D) 至少一种无机填料，其中至少 80% 的填料颗粒的粒径大小大于约 90 微米，最好是砂和/或花岗岩碎屑。可固化组合物可在热激活催化剂存在下硬化，以形成耐刮伤的硬表面，适合用作台面或实验室台面。组合物中无机填料的含量可高达 89%。
• CURABLE RESINOUS COMPOSITIONS AND SCRATCH RESISTANT COUNTERTOPS DERIVED THEREFROM
  申请人：Laboratory Tops, Inc.

  公开号：EP1824916A1

  公开（公告）日：2007-08-29