1,1,1-Trimethylolethan-tris-<3-(3,5-di-t-butyl-4-hydroxyphenyl)-propionat> | 6997-02-0

• 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: 1,1,1-Trimethylolethan-tris-<3-(3,5-di-t-butyl-4-hydroxyphenyl)-propionat>
• 英文别名: [3-[3-(3,5-Ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]-2-methylpropyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate
• CAS: 6997-02-0
• 化学式: C₅₆H₈₄O₉
• 分子量: 901.278
• InChiKey: DSWQIQFHRXWINH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  15.2
• 重原子数：
  65
• 可旋转键数：
  24
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.62
• 拓扑面积：
  140
• 氢给体数：
  3
• 氢受体数：
  9

文献信息

• Method for preparing hydroxyphenyl carboxylic acid esters
  申请人：——

  公开号：US20030166962A1

  公开（公告）日：2003-09-04

  A process for the preparation of a compound of formula (I) 1 wherein R 1 and R 2 are each independently of the other C 1 -C 8 alkyl, cyclopentyl or cyclohexyl, m is 1, 2 or 3, preferably 2, n is an integer from 1 to 30, and R 3 is an n-valent radical from linear or branched C 4 -C 30 alkyl, which is optionally interrupted by one or more oxygen atoms, or (when n=1-12) an n-valent radical from C 5 -C 12 cycloalkyl, or a radical R 4 —[NR 5 —C m H 2m —] p , R 4 is hydrogen, an n-valent radical from linear or branched C 4 -C 30 alkyl, which is optionally interrupted by one or more —NR 5 — groups, or (when n=1-12) an n-valent radical from C 5 -C 12 cycloalkyl, R 5 radicals, each independently of any other(s), are hydrogen or methyl or —C m H 2m —, preferably hydrogen, and p corresponds to the number of —[NR 5 —C m H 2m —] groups that gives n —C m H 2m — radicals per molecule, by reaction of a compound of formula (II) 2 wherein R is C 1 -C 3 alkyl, with a compound of formula (III) R 3 (OH) n (III) wherein R 3 and n have the definitions given, wherein the reaction takes place at a practically neutral acid value (pH) and in the presence of at least one alkali metal salt of an organic carboxylic acid, which salt is dissolved or suspended in the reaction mixture, or in the presence of a mixture of such alkali metal salts, (i) that alkali metal salt being formed from an alkali metal cation and an anion of an organic carboxylic acid and (ii) the organic carboxylic acid being at least partially volatile under the reaction conditions applied. Preferred alkali metal salts are alkali metal formate and alkali metal acetate.

  一种制备式（I）的化合物的方法，其中R1和R2各自独立地为C1-C8烷基，环戊基或环己基，m为1、2或3，优选为2，n为1-30的整数，而R3为线性或支链C4-C30烷基的n价基团，该烷基可选地被一个或多个氧原子中断，或（当n=1-12时）为C5-C12环烷基的n价基团，或为R4—[NR5—CmH2m]p的基团，其中R4为氢，线性或支链C4-C30烷基的n价基团，该烷基可选地被一个或多个—NR5—基团中断，或（当n=1-12时）为C5-C12环烷基的n价基团，R5为独立于其他基团的氢、甲基或—CmH2m—，优选为氢，p对应于给出n个—CmH2m—基团的数量，通过将式（II）的化合物与式（III）R3(OH)n的化合物反应得到，其中R为C1-C3烷基，在实际中性酸值（pH）下，在至少一种有机羧酸的碱金属盐的存在下，该盐溶解或悬浮在反应混合物中，或在这种碱金属盐的混合物的存在下，（i）该碱金属盐由碱金属阳离子和有机羧酸的阴离子形成，（ii）该有机羧酸在应用的反应条件下至少部分挥发。优选的碱金属盐是碱金属甲酸盐和碱金属乙酸盐。
• CELLULOSE ESTER FILM, PROCESS FOR PRODUCING CELLULOSE ESTER FILM, OPTICAL FILM, POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY UNIT
  申请人：Konica Minolta Opto, Inc.

  公开号：EP1967541A1

  公开（公告）日：2008-09-10

  A cellulose ester film that excels in uniformity of retardation as an optical property, especially uniformity of retardation in the direction of film width, and further contrast; a process for producing such a cellulose ester film; and making use of the film, an optical film, polarizing plate and liquid crystal display unit. There is provided a process characterized by subjecting, to melting film formation, a solid cellulose ester having been suspension washed with a poor organic solvent to cellulose ester in the presence of an antioxidant so that the content of free acids in the cellulose ester is 50 ppm or less.

  一种纤维素酯薄膜，它在作为光学特性的延迟均匀性，特别是在薄膜宽度方向上的延迟均匀性以及进一步的对比度方面表现出色；一种生产这种纤维素酯薄膜的工艺；以及利用该薄膜、光学薄膜、偏光板和液晶显示装置。本发明提供了一种工艺，其特点是将用贫有机溶剂悬浮洗涤过的固体纤维素酯在抗氧化剂存在下熔融成膜，使纤维素酯中的游离酸含量为 50ppm 或更少。
• Method for producing maleimide block copolymer
  申请人：Nippon Shokubai Co., Ltd.

  公开号：US11015011B2

  公开（公告）日：2021-05-25

  An object of the present invention is to provide a method for producing a maleimide block copolymer having an acrylic monomer-derived structural unit. Provided is a method for producing a block copolymer having a polymer block (A) containing an acrylate-derived structural unit and a polymer block (B) containing an N-substituted maleimide ring structure and a methacrylate-derived structural unit, the method comprising a polymerization step in which a nitroxide polymer (A1) having a polymer block (A) and an organophosphorus unit-containing nitroxide structure at an end of the polymer block (A) and a monomer (B1) containing a methacrylate and an N-substituted maleimide are polymerized in the presence of a thiol compound (C1).

  本发明的目的是提供一种生产具有丙烯酸单体衍生结构单元的马来酰亚胺嵌段共聚物的方法。本发明提供了一种生产嵌段共聚物的方法，嵌段共聚物具有含有丙烯酸酯衍生结构单元的聚合物嵌段（A）和含有 N-取代马来酰亚胺环结构和甲基丙烯酸酯衍生结构单元的聚合物嵌段（B）、该方法包括一个聚合步骤，在该步骤中，具有聚合物嵌段（A）并在聚合物嵌段（A）的一端具有含有机磷单元的亚硝基结构的亚硝基聚合物（A1）和含有甲基丙烯酸酯和 N-取代马来酰亚胺的单体（B1）在硫醇化合物（C1）的存在下进行聚合。
• Process for producing cellulose ester film
  申请人：Konica Minolta Opto, Inc.

  公开号：EP1967541B1

  公开（公告）日：2013-07-03
• Polarizing plate protecting film and its manufacturing method, polarizing plate and liquid crystal display
  申请人：Murakami Takashi

  公开号：US20060062935A1

  公开（公告）日：2006-03-23

  Disclosed is a process for manufacturing a polarizing plate protecting film comprising the steps of providing a film formation composition containing cellulose resin having a total acyl substitution degree of from 2.5 to 2.9, a plasticizer and a hindered amine or hindered phenol compound, heat-melting the film formation composition to obtain a melt, extruding the melt to be in the form of sheet, and cooling the extruded sheet to form a film, wherein the cellulose resin contains an alkaline earth metal in an amount of from 1 to 50 ppm and a residual sulfuric acid (in terms of sulfur content) in an amount of from 0.1 to 45 ppm, based on the weight of cellulose resin.