2-Hydroxy-4-methoxy-4'-t-butyl-benzophenon | 50739-53-2

• 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-Hydroxy-4-methoxy-4'-t-butyl-benzophenon
• 英文别名: (4-Tert-butylphenyl)-(2-hydroxy-4-methoxyphenyl)methanone
• CAS: 50739-53-2
• 化学式: C₁₈H₂₀O₃
• 分子量: 284.355
• InChiKey: DKGQLDWZJZFFFD-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.3
• 重原子数：
  21
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.28
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  3

文献信息

• Ultraviolet radiation stabilized polymer compositions
  申请人：GENERAL ELECTRIC COMPANY

  公开号：EP0151961A1

  公开（公告）日：1985-08-21

  A process and composition for improving the ultraviolet radiation stability of articles made from resins subject to photo degradation by contacting the article at a selected temperature with a stabilizer composition comprising an ultraviolet radiation absorber and a hindered amine light stabilizer in a nonagressive liquid carrier.

  一种工艺和组合物，用于提高由会发生光降解的树脂制成的物品的紫外线辐射稳定性，方法是在选定的温度下将物品与稳定剂组合物接触，稳定剂组合物包括紫外线辐射吸收剂和在非侵蚀性液体载体中的受阻胺光稳定剂。
• Improved process and composition for surface impregnation of thermoplastic polymers with UV-absorbing compounds
  申请人：GENERAL ELECTRIC COMPANY

  公开号：EP0322557A1

  公开（公告）日：1989-07-05

  The invention is directed to a novel UV-absorber solution for surface impregnation of a thermoplastic article which comprises a surface impregnation effective amount of an ultraviolet radiation absorbing ar­omatic organic compound dissolved in a solvent which contains from about 20% to about 50% by wt. propanediol, from about 20% to about 40% by wt. 2-butoxy ethanol and from about 20% to about 40% by wt. 4-hydroxy-­methylpentanone. In another aspect, the invention resides in a process of producing an ultraviolet radiation stabilized thermoplastic article which comprises impregnating the surface layers of the thermoplastic article with an ultraviolet radiation absorber by contacting the article, which has been preheated to a surface impregnation effective elevated temperature, with a solution which contains an ultraviolet radiation-absorbing which contains an ultraviolet radiation-absorbing aromatic organic compound and a solvent which contains from about 20% to about 50% by wt. propanediol, from about 20% to about 45% by wt. 2-butoxyethanol, and from about 20% to about 40% by wt. 4-hydroxy-4-methylpentanone.

  本发明涉及一种用于热塑性制品表面浸渍的新型紫外线吸收剂溶液，该溶液包括溶解在溶剂中的表面浸渍有效量的紫外线辐射吸收芳香族有机化合物，该溶剂含有约20％至约50％（重量百分比）的丙二醇、约20％至约40％（重量百分比）的2-丁氧基乙醇和约20％至约40％（重量百分比）的4-羟甲基戊酮。在另一方面，本发明涉及一种紫外线辐射稳定化热塑性制品的生产工艺，该工艺包括用紫外线辐射吸收剂浸渍热塑性制品的表面层，方法是将预热到表面浸渍有效升温温度的制品与含有紫外线辐射吸收剂的溶液接触，该溶液含有紫外线辐射吸收剂的芳香族有机化合物和溶剂，该溶剂含有约20%至约50%（重量百分比）的丙二醇、约20%至约50%（重量百分比）的2-丁氧基乙醇和约20%至约40%（重量百分比）的4-羟甲基戊酮。丙二醇、重量百分比为 20%至 45%的 2-丁氧基乙醇和重量百分比为 20%至 40%的 4-羟基-4-甲基戊酮。
• Ultraviolet radiation screener composition for surface impregnating hot polycarbonate sheet
  申请人：GENERAL ELECTRIC COMPANY

  公开号：EP0373401A2

  公开（公告）日：1990-06-20

  An ultraviolet radiation screening composition is provided for on-line surface impregnating hot polycarbonate sheet. The composition comprises an ultraviolet radiation screener and carrier solution which contains respective amounts of dipropylene glycol methyl ether, tripropylene glycol methyl ether, 1,2 propanediol and 1,4 butanediol. The carrier solution provides a desired level of volatility and aggressiveness for on-line surface impregnation of hot aromatic polycarbonate sheet and film.

  提供了一种紫外线辐射屏蔽组合物，用于在线浸渍热聚碳酸酯板材的表面。该组合物由紫外线辐射筛选剂和载体溶液组成，载体溶液中分别含有一定量的二丙二醇甲醚、三丙二醇甲醚、1,2 丙二醇和 1,4 丁二醇。载体溶液为热芳香族聚碳酸酯板材和薄膜的在线表面浸渍提供所需的挥发性和侵蚀性。
• UV light stabilized polyester molding composition
  申请人：HOECHST CELANESE CORPORATION

  公开号：EP0953595A1

  公开（公告）日：1999-11-03

  A UV stabilized thermoplastic polyester molding composition characterized as containing a polyester and a UV light stabilizing system characterized as an effective amount of a hindered amine, a benzotriazole or benzophenone compound, and an antioxidant to achieve acceptable UV exposure results when the composition is exposed in a Xenon arc weatherometer operated according to SAE J1885. The composition and molded parts therefrom exhibit improved color difference, as calculated in CIELab units under illumination "D-65" according to ASTM Standard D-2244, of less than about 2.20 when exposed to 601.6 kJ/m2 irradiation, and improved surface gloss retention characteristics after exposure.

  一种紫外线稳定热塑性聚酯模塑组合物，其特征在于含有一种聚酯和一种紫外线稳定体系，该体系的特征在于含有有效量的受阻胺、苯并三唑或二苯甲酮化合物和一种抗氧化剂，当该组合物在按照 SAE J1885 操作的氙弧老化试验机中暴露时，可达到可接受的紫外线暴露效果。根据 ASTM 标准 D-2244 的规定，在 "D-65 "光照下以 CIELab 单位计算，该组合物及其模塑件在 601.6 kJ/m2 照射下的色差小于约 2.20，且在照射后的表面光泽保持特性得到改善。
• Granular stabilizer compositions for use in polymer resins and methods of making same
  申请人：Cytec Industries Inc.

  公开号：US10975278B2

  公开（公告）日：2021-04-13

  Granular stabilizer compositions including concentrated blends of one or more polymer additive, and one or more co-active agent, which compositions are low-dusting and substantially free of a carrier polymer resin are disclosed herein, along with process for making the stabilizer compositions, and uses of such stabilizer compositions for providing enhanced protection of polymer resins against deleterious effects from air (oxygen), residual catalyst, mechanical stress, heat, and light.

  本文公开了颗粒状稳定剂组合物，包括一种或多种聚合物添加剂和一种或多种辅助活性剂的浓缩混合物，该组合物具有低除尘性，且基本上不含载体聚合物树脂，同时还公开了稳定剂组合物的制造工艺，以及此类稳定剂组合物的用途，可增强对聚合物树脂的保护，使其免受空气（氧气）、残留催化剂、机械应力、热和光的有害影响。