P-叔丁基苯甲酸锌

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: P-叔丁基苯甲酸锌
• 中文别名: 对叔丁基苯甲酸锌；4-(1,1-二甲基乙基)苯甲酸锌盐；p-t-丁基苯甲酸锌
• 英文名称: 4-tert-butylbenzoic acid;zinc
• 化学式: C11H14O2Zn
• 分子量: 243.6
• InChiKey: UXVMUIWCWJBWIY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.68
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

文献信息

• Stabilizer for chlorine-containing polymers, process for the preparation thereof and chlorine-containing polymer composition
  申请人：MIZUSAWA INDUSTRIAL CHEMICALS, LTD.

  公开号：EP0725109A1

  公开（公告）日：1996-08-07

  A stabilizer for chlorine-containing polymers comprises a fat or oil-saponified product/silicate composite in the form of hydrophobic particles comprising:    siliceous compound particles comprising amorphous or low-crystalline silicate of a metal of Group II, IV or V of the periodic table;    higher fatty acid salt of a metal of Group II, IV or V in the pores or on the surface of said siliceous compound; and    glycerin or a derivative thereof; process for the preparation of the stabilizer and chlorine-containing polymer compositions comprising the stabilizer.

  一种用于含氯聚合物的稳定剂包括一种疏水性颗粒形式的脂肪或油皂化产品/硅酸盐复合材料，该复合材料包括 由元素周期表第 II、IV 或 V 族金属的无定形或低结晶硅酸盐组成的硅酸盐复合物颗粒； 在所述硅质化合物的孔隙中或表面上的第Ⅱ、Ⅳ或Ⅴ族金属的高级脂肪酸盐；以及 甘油或其衍生物；制备稳定剂和包含该稳定剂的含氯聚合物组合物的工艺。
• POLYESTER PLASTICIZER AND CHLORINE-CONTAINING RESIN COMPOSITIONS
  申请人：Asahi Denka Co., Ltd.

  公开号：EP1564234A1

  公开（公告）日：2005-08-17

  A polyester plasticizer having an average molecular weight of 500 to 5000 which is obtained by the reaction of (a) a diol component comprising 100 molar parts of 2-methyl-1,3-propanediol, 10 to 1000 molar parts of 3-methyl-1,5-pentanediol, and 0 to 1000 molar parts of an additional aliphatic diol, (b) an organic dicarboxylic acid component comprising 100 molar parts of adipic acid and 0 to 100 molar parts of an additional organic dicarboxylic acid, and (c) a chain terminator comprising a monovalent aliphatic alcohol or a monovalent aliphatic organic acid. The polyester plasticizer exhibits high plasticization efficiency and imparts excellent oil resistance to synthetic resins such as chlorine-containing resins.

  一种平均分子量为 500 至 5000 的聚酯增塑剂，由以下物质反应得到：(a) 二元醇组分，包括 100 摩尔份的 2-甲基-1,3-丙二醇、10 至 1000 摩尔份的 3-甲基-1,5-戊二醇和 0 至 1000 摩尔份的另一种脂肪族二元醇、(c) 由一价脂肪醇或一价脂肪族有机酸组成的链终止剂。聚酯增塑剂具有很高的增塑效率，并赋予合成树脂（如含氯树脂）优异的耐油性。
• Light emitting device with silicone resin layer formed by screen printing
  申请人：Nichia Corporation

  公开号：EP1710847A2

  公开（公告）日：2006-10-11

  A light emitting device, including a light emitting element, and a resin layer that has been screen printed to coat said light emitting element is provided. The resin layer is formed from a curable silicone resin composition, which includes (i) an organopolysiloxane with a polystyrene equivalent weight average molecular weight of at least 5 × 103, (ii) a condensation catalyst, (iii) a solvent, and (iv) a finely powdered inorganic filler. The uniformity of the film thickness is excellent, thus resulting in little color irregularities during light emission from the light emitting element.

  本发明提供了一种发光器件，包括一个发光元件和一个丝网印刷的树脂层，该树脂层涂覆在所述发光元件上。树脂层由可固化硅树脂组合物形成，该组合物包括：(i) 聚苯乙烯当量平均分子量至少为 5 × 103 的有机聚硅氧烷；(ii) 缩合催化剂；(iii) 溶剂；(iv) 粉末状无机填料。薄膜厚度的均匀性非常好，因此在发光元件发光时几乎不会出现颜色不规则的情况。
• Resin composition for sealing optical device and method of sealing semiconductor element
  申请人：Shin-Etsu Chemical Co., Ltd.

  公开号：EP1780242A2

  公开（公告）日：2007-05-02

  The present invention provides a composition for sealing optical devices that can form a coating film that exhibits excellent levels of heat resistance, ultraviolet light resistance, optical transparency, toughness and adhesion, and also provides a cured product of the composition, and a sealing method that uses the composition. A resin composition for sealing an optical device, comprising: (i) a silylated organopolysiloxane with a polystyrene equivalent weight average molecular weight of 5 × 104 or greater, represented by an average composition formula:          R1a(OX)bSiO(4-a-b)/2 (wherein, R1 represents an alkyl group, alkenyl group, or aryl group; X represents a combination of a group represented by a formula -SiR2R3R4 (wherein, R2 to R4 are monovalent hydrocarbon groups), and an alkyl group, alkenyl group, alkoxyalkyl group or acyl group; a represents a number within a range from 1.00 to 1.5; b represents a number that satisfies 0 < b < 2, and a+b satisfies 1.00 < a+b < 2), and (ii) a condensation catalyst, as well as a transparent cured product obtained by curing the composition, and a method of sealing a semiconductor element that comprises a step of applying the composition to a semiconductor element, and a step of curing the composition that has been applied to the semiconductor element.

  本发明提供了一种用于密封光学设备的组合物，该组合物可形成具有优异的耐热性、抗紫外线性、光学透明性、韧性和附着力的涂膜，还提供了该组合物的固化产品，以及使用该组合物的密封方法。 一种用于密封光学设备的树脂组合物，包括 (i) 聚苯乙烯当量重平均分子量大于或等于 5×104 的硅烷化有机聚硅氧烷，由平均组成式表示； (ii) 聚苯乙烯当量重平均分子量大于或等于 5×104 的硅烷化有机聚硅氧烷，由平均组成式表示： R1a(OX)bSiO(4-a-b)/2 (其中，R1 代表烷基、烯基或芳基；X 代表由式 -SiR2R3R4 所代表的基团（其中，R2 至 R4 为单价烃基）与烷基、烯基、烷氧基烷基或酰基的组合；a 代表 1.00 至 1.5 范围内的数字；b 代表满足 0 < b < 2 的数字，且 a+b 满足 1.00 < a+b < 2 的数字)，以及 (ii) 缩合催化剂，以及通过固化该组合物而获得的透明固化产品，以及一种密封半导体元件的方法，该方法包括将该组合物涂在半导体元件上的步骤，以及将涂在半导体元件上的该组合物固化的步骤。
• Method of producing high molecular weight organopolysiloxane, compositon comprising the high molecular weight organopolysiloxane, and optical semiconductor device sealed with cured product thereof
  申请人：Shin-Etsu Chemical Co., Ltd.

  公开号：EP1780235A2

  公开（公告）日：2007-05-02

  Provided is a method of producing a high molecular weight organopolysiloxane with a polystyrene equivalent weight average molecular weight of at least 5 × 104, comprising the steps of producing an organopolysiloxane by subjecting a silane compound having a hydrolyzable group to a first hydrolysis and condensation, and then subjecting that organopolysiloxane to an additional second hydrolysis and condensation. The high molecular weight organopolysiloxane is stable, resistant to gelling, and resistant to cracking even when formed as a thick film. A resin composition comprising the high molecular weight organopolysiloxane and a condensation catalyst is useful for sealing an optical element and for producing an optical semiconductor device.

  本发明提供了一种生产高分子量有机聚硅氧烷的方法，该有机聚硅氧烷的聚苯乙烯当量重量平均分子量至少为 5 × 104，该方法包括以下步骤：将具有可水解基团的硅烷化合物进行第一次水解和缩合，然后再将该有机聚硅氧烷进行第二次水解和缩合，从而生产出有机聚硅氧烷。即使形成厚膜，高分子量有机聚硅氧烷也具有稳定性、抗胶凝性和抗裂性。由高分子量有机聚硅氧烷和缩合催化剂组成的树脂组合物可用于密封光学元件和生产光学半导体器件。