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2-Hydroxy Ethyl Methacrylate (HEMA)

Name: 2-Hydroxy Ethyl Methacrylate (HEMA) поставщик | Ruifen Chemi
SKU: 868-77-9

2-Hydroxy Ethyl Methacrylate (HEMA) — химический продукт для промышленного производства и разработки рецептур. Ruifen Chemicals предлагает оптовые поставки, техническую документацию, документы качества и международную логистику. Свяжитесь с нами для получения спецификаций и информации о наличии.

Характеристики

Ключевые свойства и преимущества

High Purity: Offers exceptional chemical purity, typically exceeding 98%, ensuring consistent performance in sensitive industrial formulations.
Hydrophilic Nature: Contains a terminal hydroxyl group that provides excellent affinity for water and enhances moisture retention in polymers.
Low Volatility: Characterized by a high boiling point and low vapor pressure, reducing worker exposure during manufacturing processes.
Optical Clarity: Produces polymers with high light transmission and low refractive index, ideal for transparent coating and lens applications.
Versatile Reactivity: The vinyl group allows for seamless copolymerization with acrylics, methacrylics, and styrene monomers to tailor specific material properties.

Спецификации

Технические особенности

Molecular Formula: Represented as C6H10O3 with a precise molecular weight of 130.14 g/mol for accurate stoichiometric calculations in synthesis.
Physical State: A clear, colorless liquid with a density of 1.073 g/cm3 at 25 degrees Celsius and a refractive index of 1.453.
Boiling Point: Exhibits a boiling point of approximately 205 degrees Celsius at atmospheric pressure, ensuring stability under standard processing conditions.
Inhibitor Content: Standard grades contain 200-300 ppm of MEHQ to prevent premature polymerization during storage and transport phases.
Acid Value: Maintains a low acidity level, usually below 0.1%, to prevent interference with acid-sensitive catalyst systems during reaction.

Практическое применение в отраслях

Области применения

Contact Lenses: Widely used in the manufacture of soft contact lenses due to its biocompatibility and high water absorption capabilities.
Dental Adhesives: Acts as a primary component in light-cured dental bonding agents, improving adhesion between resins and tooth enamel structures.
Automotive Coatings: Employed in high-performance thermosetting acrylic resins to enhance the durability, gloss, and chemical resistance of automotive finishes.
Textile Finishes: Used to produce hydrophilic finishes and modifiers for synthetic fibers, improving comfort, moisture wicking, and dye uptake properties.
Printing Inks: Incorporated into UV-curable ink formulations to improve adhesion on various substrates and enhance film flexibility after polymerization.