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7 Jan 2019
Functional monomer CHDA
Chemical information
IUPAC Name: Cyclohexane-1,4-dicarboxylic acid
CAS Number: 1076-97-7
Molecular formula: C8H12O4
Molecular weight: 172.18 g/mol
Structure
Cyclohexane-1,4-dicarboxylic acid consists of a cyclohexane ring and two carboxylic acid groups (-COOH) attached at the 1 and 4 positions.
Features
Appearance: White crystalline powder
Melting point: About 210-215°C
Solubility: Soluble in water and various organic solvents
Application
1,4-Cyclohexanedicarboxylic acid has a variety of applications, including:
Polymer Industry: As monomer in the production of polyester and polyamide.
Coatings and Adhesives: Used in the formulation of high-performance coatings and adhesives due to its ability to enhance mechanical properties and chemical resistance.
Plasticizers: Plasticizers used in the manufacture of plastics that increase the flexibility and durability of plastics.
Security and Operations
Hazards: It may cause irritation to skin, eyes and respiratory system. Appropriate protective equipment such as gloves, goggles, and masks should be used when handling compounds.
Storage: Should be stored in a cool, dry place away from incompatible substances such as strong oxidants.
Synonyms
1,4-Cyclohexanedicarboxylic acid.
Hexahydroterephthalic acid.
Summary
The functional monomer CHDA (cyclohexane-1,4-dicarboxylic acid) is a multifunctional chemical mainly used in the polymer industry to produce high-performance materials. Its unique structure and properties make it valuable in enhancing the mechanical and chemical properties of various products. Proper handling and storage are essential to ensure safety and maintain efficacy.
Functional monomer HEMA-P
CAS 97344-49-5
It is called 2-hydroxyethyl methacrylate phosphate (HEMA-P). This monomer is used in a wide variety of applications due to its unique properties, including:
Adhesion Promoter: HEMA-P is commonly used as an adhesion promoter in coatings, adhesives and sealants. Its phosphate group enhances adhesion to metal substrates, making it valuable in automotive, aerospace and industrial applications.
Biocompatibility: Due to its biocompatibility, HEMA-P is used in medical and dental materials such as bone cement, dental adhesives, and contact lenses.
Polymerization: HEMA-P can undergo free radical polymerization, making it useful in the production of various copolymers and hydrogels. Applications for these materials range from biomedical devices to water treatment.
Corrosion Resistance: The phosphate group in HEMA-P provides excellent corrosion resistance, making it suitable for protective coatings in harsh environments.
Hydrophilicity: The hydroxyethyl groups in HEMA-P impart hydrophilicity, which is beneficial for applications requiring hygroscopicity or water compatibility.
02
7 Jan 2019
Chemical Structure
Molecular formula: C6H11O6P
Molecular Weight: 210.12 g/mol
SAFETY AND OPERATION
As with any chemical, appropriate safety measures should be taken when handling HEMA-P. This includes using appropriate personal protective equipment (PPE) such as gloves, goggles and lab coats, and working in well-ventilated areas. Be sure to refer to the Material Safety Data Sheet (MSDS) for detailed safety and handling information.
Application
Coatings and Paints: Enhances adhesion and corrosion resistance.
Adhesives and Sealants: Improve bond strength to a variety of substrates.
Medical and Dental Materials: Used in formulations requiring biocompatibility.
Hydrogels and Polymers: Used in the synthesis of hydrophilic polymers for a variety of applications.
In summary, 2-hydroxyethyl methacrylate phosphate (CAS 97344-49-5) is a versatile functional monomer with wide applications due to its adhesion promotion, biocompatibility, and hydrophilicity.
03
2-hydroxyethyl methacrylate (HEMA)
CAS Number 1204-10-0
7 Jan 2019
It is a functional monomer widely used in the production of various polymers and copolymers.
Chemical information
IUPAC name: 2-Hydroxyethyl 2-methylprop-2-enoate
Molecular formula: C6H10O3
Molecular Weight: 130.14 g/mol
Structure
Consists of methacrylate groups (vinyl and carboxylate) and hydroxyethyl groups.
Features
Appearance: Transparent, colorless to slightly yellow liquid
Boiling Point: Approximately 95-96°C at 10 mmHg
Density: 1.073 g/cm3 at 20°C
Solubility: Soluble in water, alcohol and other organic solvents
Application
DENTAL MATERIALS: HEMA is commonly used in dental composites and adhesives due to its ability to form strong bonds with organic and inorganic materials.
Contact lenses: It is a key component in the production of soft contact lenses, providing the necessary hydrophilicity and flexibility.
Coatings and Adhesives: HEMA is used in a variety of coatings and adhesives to improve adhesion, flexibility and water resistance.
Hydrogels: It is used to synthesize hydrogels for biomedical applications, including drug delivery systems and tissue engineering.
Polymer modification: HEMA can be copolymerized with other monomers to introduce hydroxyl groups into the polymer chain to enhance the hydrophilicity and reactivity of the polymer.
Security and Operations
Hazards: HEMA can cause skin and eye irritation. It may also cause allergic skin reactions in some people.
Caution: Wear appropriate personal protective equipment (PPE) such as gloves, goggles and lab coat when handling HEMA. Adequate ventilation is also recommended to avoid breathing vapors.
Summary
3-Hydroxyethyl methacrylate (CAS 1204-10-0) is a versatile functional monomer with a wide range of applications in dental materials, contact lenses, coatings, adhesives and hydrogels. Its ability to introduce hydroxyl groups into polymers makes it important for enhancing the properties of various polymer materials.
04
Functional monomer MEO2MA
CAS number 128481-73-2
7 Jan 2019
It is commonly known as 2-(2-methoxyethoxy)ethyl methacrylate (MEO2MA). This monomer is used in the synthesis of various polymers and copolymers, especially in applications requiring hydrophilic properties.
Key attributes
Chemical name: 2-(2-methoxyethoxy)ethyl methacrylate
CAS Number: 128481-73-2
Molecular formula: C9H16O4
Molecular weight: 188.22 g/mol
Appearance: Transparent, colorless liquid
Boiling point: Approximately 100-102°C at 0.5 mmHg
Density: Approximately 1.06 g/cm3 at 25°C
Application
Hydrogels: MEO2MA is often used in the production of hydrogels due to its hydrophilic nature, which allows the resulting polymer to absorb and retain moisture.
Coating: Used in coatings to improve flexibility, adhesion, and water resistance.
Adhesives: Monomers can be incorporated into adhesive formulations to enhance their performance, especially in wet conditions.
Biomedical Devices: Due to its biocompatibility, MEO2MA is used in the development of biomedical devices and drug delivery systems.
Textiles: It can be used to modify textile fibers to impart hydrophilic properties, improve comfort and moisture management.
Handling and Security
Storage: Store in a cool, dry place away from direct sunlight and fire.
Action: Use appropriate personal protective equipment (PPE) such as gloves and safety glasses. Make sure the work area is well ventilated.
Hazards: May cause skin and eye irritation. Avoid inhalation and prolonged contact.
Aggregatio
MEO2MA can undergo free radical polymerization, usually with a thermal or photoinitiator, to form homopolymers or copolymers with other monomers. The resulting polymer exhibits unique properties, such as temperature-responsive behavior, making it useful in a variety of advanced applications.
In summary, 2-(2-methoxyethoxy)ethyl methacrylate (CAS 128481-73-2) is a multifunctional functional monomer that is useful in hydrogels due to its hydrophilicity and biocompatibility. It has a wide range of application properties in glues, coatings, adhesives, biomedical devices and textiles.
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