2,4,5-三甲基-1,3-苯二酚 | 20427-81-0

• 分子结构分类: 有机化合物 - 苯类化合物 - 酚类
• 中文名称: 2,4,5-三甲基-1,3-苯二酚
• 英文名称: 2,4-dihydroxy-3,5,6-trimethylbenzene
• 英文别名: 2,4,5-trimethylbenzene-1,3-diol；2,4,5-trimethylresorcinol；2,4,5-trimethyl-resorcinol；3-Dihydroxy-1.2.4-trimethyl-benzol；2,4,5-Trimethyl-resorcin；3.5-Dioxy-pseudocumol
• CAS: 20427-81-0
• 化学式: C₉H₁₂O₂
• mdl: MFCD00991843
• 分子量: 152.193
• InChiKey: KRIDOPOPBBSDNT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  40.5
• 氢给体数：
  2
• 氢受体数：
  2

安全信息

• 海关编码：
  2907299090

反应信息

• 作为反应物：
  描述：

  2,4,5-三甲基-1,3-苯二酚 生成 1,2,4-trimethyl-3,5-bis-(4-nitro-benzoyloxy)-benzene
  参考文献：
  名称：

  686.改进的Gattermann反应在山梨酸甲酯和奥数酸乙酯中的应用

  摘要：

  DOI：

  10.1039/jr9490003278
• 作为产物：
  描述：

  2,4-dihydroxy-3,6-dimethylbenzaldehyde 在 盐酸 、 甲醇 、 amalgamated zinc 作用下， 生成 2,4,5-三甲基-1,3-苯二酚
  参考文献：
  名称：

  686.改进的Gattermann反应在山梨酸甲酯和奥数酸乙酯中的应用

  摘要：

  DOI：

  10.1039/jr9490003278

文献信息

• MODIFIER FOR AROMATIC POLYESTER AND AROMATIC POLYESTER RESIN COMPOSITION COMPRISING THE SAME
  申请人：TABATA Masayoshi

  公开号：US20110224343A1

  公开（公告）日：2011-09-15

  The present invention provides a modifier for aromatic polyesters which enhances the melt fluidity of aromatic polyesters without a significant decrease in the heat resistance of the aromatic polyesters, and an aromatic polyester resin composition including the modifier for aromatic polyesters. The present invention relates to a modifier for aromatic polyesters comprising polyhydric phenol residues and residues of aromatic polycarboxylic acid, acid halide or acid anhydride thereof, and the modifier comprises a material having a structure composed of a first residue selected from the group consisting of divalent residues represented by Formula (I): —Ar—W 1 x —Ar— and by Formula (II): —Ar—, the first residues being bonded to two identical or different second residues selected from the group consisting of monovalent residues represented by Formula (III): and monovalent residues represented by Formula (IV): —O—C(O)—R 7 —.

  本发明提供了一种用于芳香族聚酯的改性剂，可以增强芳香族聚酯的熔融流动性，而不明显降低芳香族聚酯的耐热性，以及包括该改性剂的芳香族聚酯树脂组合物。本发明涉及一种用于芳香族聚酯的改性剂，包括多羟基酚残基和芳香族多羧酸、酸卤或其酸酐残基，该改性剂包括具有以下结构的材料：第一残基，选择自由式(I)所代表的二价残基：—Ar—W1x—Ar—和自由式(II)所代表的：—Ar—，第一残基与选择自由式(III)所代表的单价残基：和自由式(IV)所代表的单价残基：—O—C(O)—R7—的两个相同或不同的第二残基结合。
• Wholly aromatic polyester and process for its production
  申请人：Mitsubishi Chemical Corporation

  公开号：EP0272676A2

  公开（公告）日：1988-06-29

  A wholly aromatic polyester comprising: (a) from 2 to 50 equivalent % of a 3,3'-biphenyldicarboxylic acid residue of the formula: (b) from 0 to 50 equivalent % of a dicarboxylic acid residue of the formula: wherein R1 is a bivalent aromatic hydrocarbon group or a group of the formula R4-X-R5 wherein each of R4 and R5 is a bivalent aromatic hydrocarbon group and X is an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group, an alkylene group, an ester group or a direct bond, provided that R1 is not a 3,3'-biphenyl group, (c) from 10 to 52 equivalent % of a dioxy compound residue of the formula: wherein R2 is a group of the formula wherein R6 is a C1-C4 alkyl group or a phenyl group and n is an integer of from 0 to 4, wherein X is as defined above, wherein X is as defined above, and/or and (d) from 0 to 80 equivalent % of an oxycarboxylic acid residue of the formula: wherein R3 is a bivalent aromatic hydrocarbon group or R4-X-R5 wherein R4, R5 and X are as defined above, and having a melt viscosity of at least 50 poise as measured at 275°C at 100 sec ' .

  全芳香族聚酯，包括 (a) 2%至 50%当量的式 3,3'-联苯二甲酸残基： (b) 0 至 50 当量%的式中二羧酸残基： 其中 R1 为二价芳香烃基团或式 R4-X-R5 的基团，其中 R4 和 R5 各为二价芳香烃基团，X 为氧原子、硫原子、磺酰基、羰基、亚烷基、酯基或直接键，条件是 R1 不是 3,3'-联苯基团、 (c) 10%至 52%当量的式二氧基化合物残余物： 其中 R2 是式中的一个基团 其中 R6 是 C1-C4 烷基或苯基，n 是 0 至 4 的整数、 其中 X 如上所定义、 其中 X 如上定义，和/或 和 (d) 0 至 80当量%的式中的氧羧酸残基： 其中 R3 为二价芳香烃基团或 R4-X-R5，其中 R4、R5 和 X 如上文所定义，且在 275℃、100 秒 '时测得的熔融粘度至少为 50 泊。
• STRUCTURAL MATERIAL
  申请人：NAGOYA OILCHEMICAL CO., LTD.

  公开号：EP0541814A1

  公开（公告）日：1993-05-19

  A structural material formable at low temperature, prepared by mixing a porous material with a methylol compound which acts as a binder and excipient, a resorcinol compound and/or a precondensate comprising the resorcinol compound and formaldehyde. The methylol group of the methylol compound reacts with the resorcinol compound and/or the precondensate at low temperature in a a short period of time to cause curing. Accordingly, a structural material of this invention can be formed at low temperature.

  一种可在低温下成型的结构材料，其制备方法是将多孔材料与作为粘合剂和赋形剂的甲 醇化合物、间苯二酚化合物和/或由间苯二酚化合物和甲醛组成的前缩合物混合。甲醇化合物的甲醇基团在短时间内与间苯二酚化合物和/或预缩合物在低温下发生反应，导致固化。因此，本发明的结构材料可在低温下形成。
• MOLDING MATERIAL, INNER MATERIAL USING THE SAME, AND METHOD FOR PRODUCING THE SAME
  申请人：Nagoya Oilchemical Co., Ltd.

  公开号：EP0984031A1

  公开（公告）日：2000-03-08

  An object of the present invention is to provide a material to be molded having a long storage life and good moldability and give a molded material having a good heat resistance. To attain said object, the present invention provides a material to be molded consisting of a porous material in which a thermoplastic resin is impregnated and further the present invention provides a manufacturing method of said material to be molded comprising impregnating a precondensation polymer of a thermosetting resin, heating and drying said porous material impregnating said thermosetting resin to condensate slightly to make it at B-stage.

  本发明的目的是提供一种贮存寿命长、成型性好的模塑材料，并使模塑材料具有良好的耐热性。 为了达到上述目的，本发明提供了一种由多孔材料组成的模塑材料，在该多孔材料中浸渍了热塑性树脂，本发明还提供了一种制造上述模塑材料的方法，该方法包括浸渍热固性树脂的预缩聚聚合物，加热和干燥浸渍热固性树脂的上述多孔材料，使其稍微冷凝，从而使其处于 B 阶段。
• ADHESIVE COMPOSITION, RESIN MATERIAL, RUBBER ARTICLE AND PNEUMATIC TIRE
  申请人：BRIDGESTONE CORPORATION

  公开号：EP1059346A1

  公开（公告）日：2000-12-13

  An adhesive composition according to the invention comprises a thermoplastic high molecular weight polymer (A) containing a crosslinkable functional group as a pendant group and substantially free of carbon-carbon double bond with a hydrogen radical at its allyl position in the main chain, a water-soluble high polymer (B) and a compound (C) having a structure with methylene linked aromatics having polar functional groups, or comprises the thermoplastic high molecular weight polymer (A) and a specified aqueous urethane compound (I), or comprises the water-soluble high polymer (B) and the aqueous urethane compound (I). And also, a resin material is coated with the adhesive composition and a rubber article is reinforced therewith, which is utilized as a rubber member of a pneumatic tire.

  根据本发明的粘合剂组合物包括一种热塑性高分子量聚合物（A），该聚合物含有可交联的官能团作为悬垂基团，并且在主链的烯丙基位置上基本上不存在带有氢基的碳碳双键、水溶性高聚物（B）和具有极性官能团的亚甲基连接芳烃结构的化合物（C），或由热塑性高分子量聚合物（A）和特定的水性氨基甲酸酯化合物（I）组成，或由水溶性高聚物（B）和水性氨基甲酸酯化合物（I）组成。此外，在树脂材料上涂覆粘合剂组合物，并用其增强橡胶制品，用作充气轮胎的橡胶件。