7-tert-Butyl-2,2,4-trimethyl-6-chromanol | 14670-48-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: 7-tert-Butyl-2,2,4-trimethyl-6-chromanol
• 英文别名: 2,2,4-trimethyl-6-hydroxy-7-t-butylchroman；7-tert-Butyl-2,2,4-trimethyl-3,4-dihydro-2H-1-benzopyran-6-ol；7-tert-butyl-2,2,4-trimethyl-3,4-dihydrochromen-6-ol
• CAS: 14670-48-5
• 化学式: C₁₆H₂₄O₂
• 分子量: 248.365
• InChiKey: IFJNFWJTPMJATL-UHFFFAOYSA-N

物化性质

• 熔点：
  175-180 °C
• 沸点：
  328.3±42.0 °C(Predicted)
• 密度：
  0.990±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.5
• 重原子数：
  18
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.62
• 拓扑面积：
  29.5
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  羟基-二苯基-甲基 、 7-tert-Butyl-2,2,4-trimethyl-6-chromanol 以 异丙醇 为溶剂， 生成 二苯甲酮 、
  参考文献：
  名称：

  Grossmann, N.; Wehner, V.; Weise, A., Journal fur praktische Chemie (Leipzig 1954), 1988, vol. 330, # 2, p. 204 - 212

  摘要：

  DOI：
• 作为产物：
  描述：

  2-甲基-2,4-戊二醇 、 特丁基对苯二酚 在 Amberlyst 15 作用下， 以 正庚烷 为溶剂， 以65%的产率得到7-tert-Butyl-2,2,4-trimethyl-6-chromanol
  参考文献：
  名称：

  Eubanks, J. R. I.; Pacifici, J. G., Synthetic Communications, 1987, vol. 17, # 7, p. 829 - 836

  摘要：

  DOI：

文献信息

• Copolymer, polymer, molding material and resin molded body
  申请人：ZEON CORPORATION

  公开号：US10647811B2

  公开（公告）日：2020-05-12

  The present invention provides: a copolymer (A) which is a copolymer obtained by copolymerizing one or plural cycloolefin monomers and one or plural acyclic olefin monomers, or by copolymerizing two or more cycloolefin monomers, wherein a glass transition temperature (Tg) is 100° C. or higher, a refractive index is 1.545 or higher, and an Abbe's number is 50 or larger; a polymer (B) selected from: a ring-opening homopolymer obtained by ring-opening polymerization of only a monomer represented by formula (I), a ring-opening copolymer obtained by ring-opening copolymerization of the monomer represented by formula (I) and a monomer capable of ring-opening copolymerization with the monomer represented by formula (I), a hydrogenated product of the ring-opening homopolymer and a hydrogenated product of the ring-opening copolymer; a forming material containing the copolymer (A) or the polymer (B); and a resin formed article obtained by forming the forming material.

  本发明提供了一种共聚物(A)，该共聚物是由共聚一种或多种环氧烷单体和一种或多种非环烷烃单体得到的共聚物，或者是由共聚两种或更多的环氧烷单体得到的共聚物，其中玻璃转移温度(Tg)为100℃或更高，折射率为1.545或更高，阿贝数为50或更大；一种聚合物(B)，选择自：仅由式(I)所表示的单体进行开环聚合得到的开环均聚物，由式(I)所表示的单体和能够与式(I)所表示的单体进行开环共聚的单体进行开环共聚得到的开环共聚物，开环均聚物的氢化产物和开环共聚物的氢化产物；包含共聚物(A)或聚合物(B)的成型材料；以及通过成型材料成型得到的树脂成型品。
• RESIN MOLDED ARTICLE
  申请人：Zeon Corporation

  公开号：EP3176217A1

  公开（公告）日：2017-06-07

  The present invention pertains to a resin formed article obtained by forming a resin composition that comprises a cycloolefin resin and a styrene-based thermoplastic elastomer, the styrene-based thermoplastic elastomer having a weight average molecular weight of 20,000 to 150,000, and having a difference in refractive index (ΔnD) of more than -0.002 to less than +0.002 with respect to the cycloolefin resin, the resin composition having a residual ratio of 0.10 wt% or less when analyzed based on the residue on ignition test method specified in the Japanese Pharmacopeia, the resin composition having a light transmittance (optical path length: 3 mm) of 55% or more with respect to light having a wavelength of 450 nm when the resin composition is formed in a shape of a sheet having a thickness of 3.0 mm, and subjected to light transmittance measurement, and the resin composition having a Charpy impact strength of 5 to 40 kJ/m2 when the resin composition is formed to have a thickness of 4.0 mm, a length of 80.0 mm, and a width of 10.0 mm, and subjected to the notched Charpy impact test specified in JIS K 7111-1 at 23°C.

  本发明涉及一种通过形成树脂组合物而获得的树脂成型品，该树脂组合物包括环烯烃树脂和苯乙烯基热塑性弹性体，所述苯乙烯基热塑性弹性体的重量平均分子量为20,000至150,000，相对于环烯烃树脂的折射率差(ΔnD)大于-0.002至小于+0.002，根据日本药典规定的点火残留物测试方法进行分析，所述树脂组合物的残留物比率为0.根据日本药典规定的点火残留物测试方法进行分析时，树脂组合物的残留物比率为 0.10 wt% 或以下；当树脂组合物形成厚度为 3.0 mm 的片状时，相对于波长为 450 nm 的光，树脂组合物的透光率（光路长度：3 mm）为 55% 或以上。当树脂组合物形成厚度为 4.0 毫米、长度为 80.0 毫米、宽度为 10.0 毫米的片状，并在 23°C 下进行 JIS K 7111-1 中规定的缺口夏比冲击试验时，树脂组合物的夏比冲击强度为 5 至 40 kJ/m2。
• CYCLIC OLEFIN RING-OPENED POLYMER HYDRIDE, RESIN MOLDED ARTICLE, AND OPTICAL MEMBER
  申请人：Zeon Corporation

  公开号：EP3202812A1

  公开（公告）日：2017-08-09

  The present invention is a hydrogenated cycloolefin ring-opening polymer comprising a repeating unit derived from tetracyclododecene, and a repeating unit derived from an additional norbornene-based monomer, the hydrogenated cycloolefin ring-opening polymer having a racemo diad ratio of 65% or more with respect to the repeating unit derived from tetracyclododecene, the hydrogenated cycloolefin ring-opening polymer having a weight average molecular weight (Mw) of 10,000 to 40,000, and a resin formed article obtained by forming the hydrogenated cycloolefin ring-opening polymer having a glass transition temperature of 140 to 165°C, a melt flow rate of 8 g/10 min or more as measured at a temperature of 280°C under a load of 21.18 N, and a flexural strength of 60 MPa or more as measured by a flexural test at a test speed of 2 mm/min, and a resin formed article, and an optical member.

  本发明是一种氢化环烯烃开环聚合物，包括一个由四环十二烯衍生的重复单元和一个由另一种降冰片烯基单体衍生的重复单元、 氢化环烯烃开环聚合物与四环十二烯衍生的重复单元的外消旋二元比为 65% 或以上、 氢化环烯开环聚合物的重量平均分子量（Mw）在 10,000 至 40,000 之间，以及 通过形成氢化环烯烃开环聚合物而获得的树脂成型品，其玻璃化转变温度为 140 至 165°C，熔体流动速率为 8 g/10 min 或以上（在温度为 280°C、载荷为 21.18 N 的条件下测量），以及抗弯强度为 60 MPa 或以上（通过以 2 mm/min 的试验速度进行抗弯试验测量），以及 树脂成型品，以及 光学部件。
• RESIN COMPOSITION AND RESIN MOLDED ARTICLE
  申请人：Zeon Corporation

  公开号：EP3266829A1

  公开（公告）日：2018-01-10

  The present invention is a resin composition comprising a cycloolefin resin and at least two hydrogenated styrene-based thermoplastic elastomers, wherein a content of the cycloolefin resin is 50 to 90 wt% based on a total amount of the cycloolefin resin and the hydrogenated styrene-based thermoplastic elastomers, and a melt volume rate of the resin composition at 260°C is higher than that of the cycloolefin resin at 260°C, and a resin formed article. One aspect of the invention provides a resin composition that exhibits excellent transparency, impact resistance and melt fluidity, as well as a resin formed article obtained by forming this resin composition. The resin formed article of the present invention is preferably used as a drug container, a medical instrument or the like, since it exhibits excellent transparency and impact resistance.

  本发明是一种树脂组合物，包括环烯烃树脂和至少两种氢化苯乙烯基热塑性弹性体、 其中，根据环烯烃树脂和氢化苯乙烯基热塑性弹性体的总量，环烯烃树脂的含量为 50 至 90 wt%，以及 树脂组合物在 260°C 时的熔体体积率高于环烯烃树脂在 260°C 时的熔体体积率，以及 树脂成型制品。 本发明的一个方面提供了一种具有优异透明度、抗冲击性和熔体流动性的树脂组合物，以及通过形成这种树脂组合物获得的树脂成型品。 由于本发明的树脂成型品具有极佳的透明度和抗冲击性，因此可优先用作药物容器、医疗器械等。
• RESIN MOLDED BODY, RESIN FILM, AND INJECTION MOLDED ARTICLE
  申请人：Zeon Corporation

  公开号：EP3269752A1

  公开（公告）日：2018-01-17

  The present invention is a resin formed article comprising a hydrogenated syndiotactic crystalline dicyclopentadiene ring-opening polymer with an initial melting temperature of 260°C or higher, a melting point of lower than 280°C and a syndiotacticity of higher than 90%, and a resin film, and an injection formed article. One aspect of the invention provides a resin formed article, a resin film and an injection formed article which sufficiently reflect the properties of the hydrogenated crystalline dicyclopentadiene ring-opening polymer.

  本发明是一种树脂成型品，包括氢化辛二共晶双环戊二烯开环聚合物，其初始熔化温度为 260°C 或更高，熔点低于 280°C，辛二共晶度高于 90%；以及 树脂薄膜，以及 注塑成型制品。 本发明的一个方面提供了一种树脂成型品、一种树脂薄膜和一种注射成型品，它们充分反映了氢化结晶双环戊二烯开环聚合物的特性。