1,2-乙二醇与甲基环氧乙烷和环氧乙烷的聚合物 | 67462-10-6

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 1,2-乙二醇与甲基环氧乙烷和环氧乙烷的聚合物
• 英文名称: Ethane-1,2-diol;2-methyloxirane;oxirane
• CAS: 67462-10-6
• 化学式: C7H16O4
• 分子量: 164.2
• InChiKey: BHSHTJRTNBAIKT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.61
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  65.5
• 氢给体数：
  2
• 氢受体数：
  4

文献信息

• Polyol esters of alpha-hydroxy carboxylic acids and compositions containing them
  申请人：THE PROCTER & GAMBLE COMPANY

  公开号：EP0034858A2

  公开（公告）日：1981-09-02

  Polyol esters of alpha-hydroxy carboxylic acids are disclosed which are excellent oil-in-water emulsifiers for food products, drug delivery vehicles, cosmetic ointments and the like. The compounds are also useful as detergent surfactants and can be combined with cosurfactants, builders and detergent adjunct materials.

  本发明公开了α-羟基羧酸多元醇酯，它们是用于食品、给药载体、化妆品软膏等的极好的水包油型乳化剂。 这些化合物还可用作洗涤剂表面活性剂，并可与助表面活性剂、增效剂和洗涤剂辅助材料结合使用。
• Esteramide copolymers and production thereof
  申请人：Tosoh Corporation

  公开号：EP0608976A1

  公开（公告）日：1994-08-03

  Elastomeric block copolymers comprising polyether chains as soft segment in combination with aromatic polyamide chains as hard segment are disclosed, the soft and hard segments being introduced under a sequence control so as to develop excellent physical and mechanical properties. Processes for producing the elastomeric block copolymers are also disclosed.

  本发明公开了由聚醚链（作为软段）和芳香族聚酰胺链（作为硬段）组成的弹性嵌段共聚物，软段和硬段在顺序控制下引入，以形成优异的物理和机械性能。还公开了生产弹性嵌段共聚物的工艺。
• Process for preparing hydrophobically modified low foaming copolymers, hydrophobically modified low foaming copolymers and their use as cement additives
  申请人：Dow Deutschland Inc., Zweigniederlassung Stade

  公开号：EP0985691A1

  公开（公告）日：2000-03-15

  The present invention refers to a process for the preparation of a copolymer containing structural units derived from alpha, beta unsaturated mono- or dicarboxylic acids and their salts, half-esters of dicarboxylic acids or salts thereof, an olefin and a hydrophobic moiety, said hydrophobic moiety being incorporated into the copolymer chain; said process comprises reacting a) at least one monomer selected from alpha, beta unsaturated mono-carboxylic acids and their salts; and alpha, beta unsaturated dicarboxylic acids, their halfesters and salts thereof; b) at least one monomer selected from olefins; and c) at least one hydrophobic compound free of olefinic unsaturation containing units of the formula: wherein R1 is independently at each occurrence selected from hydrogen and C1-C4 alkyl with the proviso that at least one R1 is selected from C1-C4 alkyl in an amount of 0.01 to 30 wt% based on the total amount of a), b) and c); at a temperature in the range of 25°C-100°C, and in the presence of a free-radical initiator in an amount of 1.5wt%-25wt% based on the total weight of a), b) and c), to copolymers obtainable therefrom and the use of these polymers as cement additives.

  本发明涉及一种共聚物的制备工艺，该共聚物含有由α、β不饱和单羧酸或二羧酸及其盐、二羧酸半酯或其盐、烯烃和疏水基团衍生而来的结构单元，所述疏水基团与共聚物链结合；所述工艺包括以下反应 a) 至少一种选自 α、β 不饱和单羧酸及其盐；以及 α、β 不饱和二羧酸及其半酯和盐的单体； b) 至少一种选自烯烃的单体；以及 c) 至少一种不含烯烃不饱和的疏水性化合物，含有式中的单元： 其中 R1 在每次出现时均独立地选自氢和 C1-C4 烷基，但至少有一个 R1 选自 C1-C4 烷基，其含量为 a)、b)和 c)总量的 0.01 至 30 wt%； 在 25℃-100℃的温度范围内，在自由基引发剂的存在下，以 a)、b)和 c)的总重量为基准，加入 1.5wt%-25wt% 的自由基引发剂，得到共聚物，并将这些聚合物用作水泥添加剂。
• Catheter and medical tube
  申请人：TERUMO KABUSHIKI KAISHA

  公开号：EP1149598A2

  公开（公告）日：2001-10-31

  A catheter is made of a melt-extruded polymeric material consisting of non-polyvinyl chloride. The catheter has a loss tangent not less than 0.15, when the dynamic viscoelasticity thereof is measured at 25°C in a longitudinal vibration thereof. The catheter has a kinking resistance not less than 25mm, when the catheter having a length of 70mm is used under a dry condition at room temperature. A medical tube is made of a polymeric material consisting of non-polyvinyl chlorides. The medical tube consists of a compound of two or more kinds of polymeric materials. The medical tube has a loss tangent not less than 0.15, when the dynamic viscoelasticity thereof is measured at 25°C in a longitudinal vibration thereof. The medical tube has a kinking resistance not less than 25mm, when the medical tube having a length of 70mm is used under a dry condition at room temperature.

  一种导管由非聚氯乙烯熔融挤压聚合材料制成。导管在 25°C 的纵向振动条件下测量其动态粘弹性时，损耗正切值不小于 0.15。在室温干燥条件下使用长度为 70 毫米的导管时，导管的抗扭结能力不小于 25 毫米。 医用导管是由非聚氯乙烯组成的聚合物材料制成的。医用导管由两种或两种以上的聚合材料复合而成。在 25°C 的纵向振动中测量其动态粘弹性时，医用管的损耗正切值不小于 0.15。在室温干燥条件下使用长度为 70 毫米的医疗管时，医疗管的抗扭结能力不小于 25 毫米。
• Absorbent article having asymmetric absorbent core component
  申请人：Lankhof John Peter

  公开号：US10123920B2

  公开（公告）日：2018-11-13

  An absorbent article for wearing about the lower torso of a wearer includes a topsheet, a backsheet joined to at least a portion of the topsheet, and an absorbent core disposed between the topsheet and the backsheet. The absorbent core includes a first layer and a second layer, wherein the first layer is disposed in fluid communication with the second layer. The first layer has a first shape and the second layer has a second shape. The first shape is different from the second shape. Each of the first layer and second layer comprise less than about 20 percent airfelt.

  一种用于穿戴者下躯干的吸水用品包括一个表层、一个与表层至少一部分连接的背层，以及一个位于表层和背层之间的吸水芯。吸收芯包括第一层和第二层，其中第一层与第二层流体相通。第一层具有第一种形状，第二层具有第二种形状。第一种形状不同于第二种形状。第一层和第二层中的每一层都由小于约 20% 的气毡组成。