4-sulfo-isophthalic acid | 51084-31-2

• 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: 4-sulfo-isophthalic acid
• 英文别名: 4-Sulfo-isophthalsaeure；4-sulfobenzene-1,3-dicarboxylic Acid
• CAS: 51084-31-2
• 化学式: C₈H₆O₇S
• 分子量: 246.197
• InChiKey: JSYUFUJLFRBMEN-UHFFFAOYSA-N

物化性质

• 溶解度：
  4.06 M

计算性质

• 辛醇/水分配系数(LogP)：
  -0.3
• 重原子数：
  16
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  137
• 氢给体数：
  3
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  4-sulfo-isophthalic acid 在 barium(II) chloride 作用下， 生成 4-sulfo-isophthalic acid ; barium salt trihydrate
  参考文献：
  名称：

  Jacobsen; Loennies, Chemische Berichte, 1880, vol. 13, p. 1557

  摘要：

  DOI：
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 potassium permanganate 、 水 作用下， 生成 4-sulfo-isophthalic acid
  参考文献：
  名称：

  Remsen, Chemische Berichte, 1878, vol. 11, p. 2087

  摘要：

  DOI：

文献信息

• Polyester film
  申请人：Matsui Ryosuke

  公开号：US20050058846A1

  公开（公告）日：2005-03-17

  Polyester films of the present invention are especially used for packaging material, and particularly to polyester film that is preferably used for a food packing container and the like by coloring polyester film with organic pigment. A first polyester film of the present invention contains organic pigment of 0.01 to 5 weight % having a molecular weight of 695 to 1000 in a polyester resin. A second polyester film of the present invention is composed mainly of ethylene terephthalate units, having a polyester resin layer (A) made of polyester resin containing copolymerized compounds of 1.5 to 8 mole % and, moreover, containing of organic pigment of 0.01 to 5 weight % and ethylene terephthalate cyclic trimer of 0.2 to 0.9 weight % in the layer (A).

  本发明的聚酯薄膜特别用于包装材料，尤其是通过使用有机颜料着色的聚酯薄膜制成的食品包装容器等。本发明的第一种聚酯薄膜包含0.01至5重量％的分子量为695至1000的有机颜料在聚酯树脂中。本发明的第二种聚酯薄膜主要由乙烯对苯二甲酸酯单元组成，具有聚酯树脂层（A），该层由含有1.5至8摩尔％共聚化合物的聚酯树脂制成，并且在层（A）中含有0.01至5重量％的有机颜料和0.2至0.9重量％的乙烯对苯二甲酸酯环三聚体。
• WHITE POLYESTER FILM AND REFLECTION SHEET
  申请人：Ueda Takashi

  公开号：US20100086736A1

  公开（公告）日：2010-04-08

  A white polyester film containing voids, wherein a resin constituting the film has a layer (layer A) formed by using a polyester resin and a cyclic olefin copolymerized resin, and wherein a void ratio taken in a cross-section of the layer is more than 25% and 75% or less and the average particle size of the cyclic olefin copolymerized resin in the film is 0.1 μm or more and 3 μm or less.

  这是一种含有空隙的白色聚酯薄膜，该薄膜的树脂由聚酯树脂和环氧烷共聚树脂形成一层（A层），该层的截面内空隙比率大于25％且不超过75％，并且薄膜中环氧烷共聚树脂的平均粒径为0.1μm或更大，不超过3μm。
• Plastic film, process for preparing the same and light-sensitive photographic material using the same
  申请人：KONICA CORPORATION

  公开号：EP0476453A2

  公开（公告）日：1992-03-25

  There are disclosed a plastic resin film which comprises a polyester resin composition comprising at least two components of (A) a polyester copolymer and (B) a polymer having conductivity, preferably having a number average molecular weight of 500 to 5000, being laminated on at least one surface of a plastic film support; a light-sensitive photographic material which comprises at least one silver halide emulsion layer being laminated on said film laminate or plastic film; and a method for preparing a plastic film which comprises coating an aqueous solution of the polyester resin composition on at least one surface of a non-oriented plastic film support or uniaxially oriented plastic film support, stretching the coated support to at least monoaxial direction and then completing orientation crystallization.

  本发明公开了一种塑料树脂薄膜，该薄膜包括一种聚酯树脂组合物，该组合物至少包含两种成分：(A)一种聚酯共聚物和(B)一种具有导电性的聚合物，其平均分子量最好为 500 至 5000，该组合物被层压在塑料薄膜支架的至少一个表面上；一种感光摄影材料，该材料包括至少一个卤化银乳剂层，该材料被层压在所述薄膜层压板或塑料薄膜上；以及制备塑料薄膜的方法，该方法包括在无取向塑料薄膜支架或单轴取向塑料薄膜支架的至少一个表面上涂覆聚酯树脂组合物的水溶液，将涂覆的支架拉伸至至少单轴方向，然后完成取向结晶。
• Semi-continuous depolymerization of nylon 6 polymer
  申请人：BASF CORPORATION

  公开号：EP0612727A2

  公开（公告）日：1994-08-31

  Polyamide is semi-continuously depolymerized by: (a) charging the polyamide to a depolymerization reactor containing 5 to 50% by weight of an unpolymerized catalyst; (b) melting the polyamide and subjecting the resultant melt to a flow of superheated steam to obtain a steam distillate; (c) separating amide monomers in the distillate from other volatiles therein; (d) when conversion to amide monomers is 40 to 90% complete, recharging polyamide to the depolymerization reactor; and (e) repeating steps (a) - (d) until a desired amount of polyamide is depolymerized.

  聚酰胺的半连续解聚方法是(a) 将聚酰胺装入含有 5%至 50%（按重量计）未聚合催化剂的解聚反应器； (b) 熔化聚酰胺，并将熔体置于过热蒸汽流中，以获得蒸汽馏分；(c) 将蒸馏物中的酰胺单体与其他挥发物分离； (d) 当酰胺单体的转化完成 40%至 90%时，将聚酰胺重新注入解聚反应器； (e) 重复步骤(a)至(d)，直到解聚出所需数量的聚酰胺。
• READILY BONDABLE POLYESTER FILM
  申请人：TORAY INDUSTRIES, INC.

  公开号：EP0696502A1

  公开（公告）日：1996-02-14

  A readily bondable polyester film excellent in antistatic performance, slipperiness, bondability, blocking resistance, water solubility, solvent resistance, chipping resistance, and so forth, and suitable as magnetic recording material, various photographic materials, wrapping material, electrical insulation material, general industrial materials, and so forth. This film is composed of a polyester base and, formed on at least one side thereof, a layer formed from a mixture mainly comprising a copolyester composition and oxidized wax and/or natural wax, which composition contains a polyoxyalkylene glycol component in an amount of 1 wt. % or above to less than 40 wt. %.

  一种易于粘合的聚酯薄膜，具有优异的抗静电性能、滑爽性、粘合性、抗阻塞性、水溶性、耐溶剂性、抗崩裂性等，适用于磁性记录材料、各种照相材料、包装材料、电绝缘材料、一般工业材料等。该薄膜由聚酯基底和至少在其一侧形成的一层混合物组成，混合物主要由共聚聚酯组合物和氧化蜡和/或天然蜡组成，该组合物含有聚氧亚烷基二醇成分，含量在 1 wt.% 或以上至 40 wt.% 以下。