丙烯酸酯, 高纯溶剂

2-Ethylhexyl Methacrylate (EHMA)

2-Ethylhexyl Methacrylate (EHMA) 是面向工业制造与专业配方开发的化学品。Ruifen Chemicals 提供稳定的批量供应、产品技术资料、质量文件及全球物流服务。请联系团队获取规格、价格和供货信息。

属性

主要特点与优势

  • Enhanced Hydrophobicity: Provides excellent water and moisture resistance to copolymers due to its long alkyl chain structure and non-polar nature.
  • Internal Plasticization: Effectively lowers the glass transition temperature of polymer matrices, eliminating the need for adding potentially migratory external plasticizing agents.
  • Weathering Durability: Offers exceptional resistance against UV degradation and atmospheric oxidation, maintaining structural integrity and surface appearance in outdoor settings.
  • Low Volatility: High boiling point ensures minimal evaporation during radical polymerization processes and high-temperature industrial applications or curing cycles.
  • Broad Compatibility: Easily undergoes free-radical copolymerization with various acrylic, methacrylic, and vinyl monomers to customize mechanical and chemical properties.
规格

技术亮点

  • Molecular Formula and Mass: C12H22O2 with a molar mass of approximately 198.30 g/mol, which is essential for precise high-purity laboratory synthesis.
  • Glass Transition Temperature (Tg): The resulting homopolymer displays a Tg of approximately -10°C, providing the necessary soft segment flexibility and low-temperature performance.
  • Density and Refractive Index: Specific gravity is recorded as 0.885 g/cm³ at 20°C, and the refractive index typically measures at a value of 1.439.
  • Flash Point and Boiling Point: The boiling point is 214°C at 760 mmHg, while the flash point is approximately 92°C, requiring specific safety protocols.
  • Inhibitor Specification: Usually stabilized with Hydroquinone Monomethyl Ether (MEHQ) at 10-100 ppm to prevent premature polymerization during storage and transport.
实际行业应用

应用领域

  • Pressure Sensitive Adhesives: Used to manufacture high-performance tapes and labels requiring high tack, peel strength, and consistent performance in cold environment conditions.
  • Automotive Coatings: Key ingredient in high-durability clearcoats providing scratch resistance, chemical stability, and gloss retention for high-end vehicle exterior finishes.
  • Textile Auxiliaries: Applied in specialty fabric finishes and fiber treatments to enhance water repellency, durability, and soft-hand feel characteristics in apparel.
  • Oil Additives: Extensively utilized in the production of viscosity index improvers and pour point depressants for high-performance automotive and industrial lubricants.
  • Printing Inks: Frequently incorporated into UV-curable and solvent-based inks to significantly improve adhesion on various non-polar substrates and specialized plastic films.
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