2-n-butylisophthalic acid | 5293-56-1

• 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: 2-n-butylisophthalic acid
• 英文别名: 2-butyl isophthalic acid；2-Butylisophthalic acid；2-n-Butylisophthalsaeure；2-Butyl-isophthalsaeure；2-Butylisophthalsaeure；2-Butylbenzene-1,3-dicarboxylic acid
• CAS: 5293-56-1
• 化学式: C₁₂H₁₄O₄
• 分子量: 222.241
• InChiKey: XBVFRINUJXHFCH-UHFFFAOYSA-N

物化性质

• 熔点：
  201-203 °C
• 沸点：
  394.4±30.0 °C(Predicted)
• 密度：
  1.232±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  16
• 可旋转键数：
  5
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

安全信息

• 海关编码：
  2917399090

反应信息

• 作为反应物：
  描述：

  2-n-butylisophthalic acid 在 氢溴酸 作用下， 生成 2,6-Bis(brommethyl)n-butylbenzol
  参考文献：
  名称：

  Synthesis of trans-15-n-butyl-16-methyldihydropyrene. Synthetic access to 1,2,3-trisubstituted benzene derivatives via direct alkylation of 1,3-bis(4',4'-dimethyl-2'-oxazolinyl)benzene

  摘要：

  DOI：

  10.1021/jo00398a045
• 作为产物：
  描述：

  1,3-bis(4,4-dimethyl-2-oxazoline-2-yl)benzene 在 盐酸 作用下， 生成 2-n-butylisophthalic acid
  参考文献：
  名称：

  Synthesis of trans-15-n-butyl-16-methyldihydropyrene. Synthetic access to 1,2,3-trisubstituted benzene derivatives via direct alkylation of 1,3-bis(4',4'-dimethyl-2'-oxazolinyl)benzene

  摘要：

  DOI：

  10.1021/jo00398a045

文献信息

• NEGATIVELY BIREFRINGENT POLYESTERS AND OPTICAL FILMS
  申请人：Wang Lei

  公开号：US20120170118A1

  公开（公告）日：2012-07-05

  Presently described are multilayer optical films, oriented polyester films, negatively birefringent copolyester polymers, fluorene monomers, and polyester polymers prepared from such fluorene monomers. In one embodiment, the multilayer optical film comprises at least one first birefringent optical layer; and at least one second optical layer having a lower birefringence than the first optical layer; wherein at least one of the optical layers comprises a negatively birefringent polyester polymer comprising a backbone and repeat units comprising at least one pendent aromatic group that is conformationally locked relative to the backbone.

  本文介绍了多层光学薄膜、取向聚酯薄膜、负双折射共聚酯聚合物、芴单体以及由此类芴单体制备的聚酯聚合物。在一种实施例中，多层光学薄膜包括至少一个第一双折射光学层；以及至少一个比第一光学层具有较低双折射率的第二光学层；其中至少一个光学层包括一种负双折射的聚酯聚合物，该聚酯聚合物包括主链和重复单元，其中至少有一个悬挂的芳香基固定在主链上。
• Modified copolyesters and optical films including modified copolyesters
  申请人：Hebrink J. Timothy

  公开号：US20060084780A1

  公开（公告）日：2006-04-20

  Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film.

  本发明揭示了具有相对较低折射率和相对较高玻璃转移温度的改性共聚酯。这些改性共聚酯可以用于形成光学薄膜中的一个或多个层，例如多层聚合物薄膜。
• Coating composition comprising an acetal-functional binder
  申请人：——

  公开号：US20030207104A1

  公开（公告）日：2003-11-06

  The invention relates to a coating composition comprising an acetal-functional binder and a thiol-functional cross-linker, wherein the acetal-functional binder is represented by the following formula 1 wherein P is a binder backbone, K is a divalent and/or trivalent organic moiety having 1 to 30 carbon atoms and having one or two links to the binder backbone, A is selected from oxygen, sulphur, and NR VII , wherein R VII is hydrogen or an alkyl group with 1 to 4 carbon atoms, m is an integer from 1 to 50, n is an integer from 1 to 10, and R and R′ may be the same or different and represent alkyl groups with 1 to 4 carbon atoms. In a further aspect, the invention relates to acetal-functional binders, acetal-functional monomers, a process for the preparation of said monomers, coating compositions comprising said acetal-functional binders, and to a process for the preparation of a coating composition comprising an acetal-functional polyurethane dispersion and a thiol-functional cross-linker.

  本发明涉及一种涂层组合物，包括一个醛缩功能粘合剂和一个硫醇交联剂，其中所述醛缩功能粘合剂由以下公式1表示： 其中，P是粘合剂骨架，K是一种具有1至30个碳原子并且具有一到两个链接到粘合剂骨架的二价和/或三价有机基团，A选自氧、硫和NRVII，其中RVII是氢或具有1至4个碳原子的烷基基团，m是1至50的整数，n是1至10的整数，R和R'可以相同或不同，代表具有1至4个碳原子的烷基基团。此外，本发明还涉及醛缩功能粘合剂、醛缩功能单体、制备所述单体的方法、包括所述醛缩功能粘合剂的涂层组合物，以及制备包括醛缩功能聚氨酯分散体和硫醇交联剂的涂层组合物的方法。
• MODIFIED COPOLYESTERS AND OPTICAL FILMS INCLUDING MODIFIED COPOLYESTERS
  申请人：Hebrink Timothy J.

  公开号：US20080145666A1

  公开（公告）日：2008-06-19

  Modified copolyesters having relatively low refractive indices and relatively high glass transition temperatures are disclosed. These modified copolyesters can be used in forming one or more layers in an optical film, such as a multilayer polymer film.

  本发明揭示了具有相对较低折射率和相对较高玻璃化转变温度的改性共聚酯。这些改性共聚酯可用于形成光学薄膜中的一个或多个层，例如多层聚合物薄膜。
• INCLUSION COMPLEX CONTAINING EPOXY RESIN COMPOSITION FOR SEMICONDUCTOR ENCAPSULATION
  申请人：Ono Kazuo

  公开号：US20100179250A1

  公开（公告）日：2010-07-15

  It is to improve the storage stability of a sealant, to retain the flowability of the sealant when sealing, and to achieve an effective curing rate of the sealant by heating to be applicable as a sealant for delicate semiconductors. It is an epoxy resin composition for sealing a semiconductor, comprising the following component (A) and component (B). (A) an epoxy resin, (B) a clathrate complex comprising (b1) an aromatic carboxylic acid compound, and (b2) at least one imidazole compound represented by formula (II) (wherein R 2 represents a hydrogen atom, etc.; R 3 to R 5 represent a hydrogen atom, etc.).

  这是为了改善密封剂的储存稳定性，保持密封时密封剂的流动性，并通过加热实现密封剂的有效固化速率，以适用于精细半导体的密封剂。它是一种用于密封半导体的环氧树脂组合物，包括以下组分（A）和组分（B）。（A）环氧树脂，（B）包括（b1）芳香羧酸化合物和（b2）至少一种由式（II）表示的咪唑化合物的笼形复合物（其中R2表示氢原子等；R3至R5表示氢原子等）。