Huayuan Vinyl Chloride-Vinyl Acetate Copolymer Resin
Overview
Vinyl Chloride-Vinyl Acetate Copolymer Resin (VC-VA resin) is a synthetic polymer derived from the copolymerization of vinyl chloride and vinyl acetate monomers. It is widely used in industrial applications due to its versatile properties, including excellent film-forming ability, chemical resistance, and adhesion. The resin is available in various grades, each tailored for specific applications such as coatings, adhesives, and inks. VC-VA resin is particularly valued in the coatings industry for its ability to form durable, flexible films that adhere well to substrates like metal, plastic, and paper. Its chemical resistance makes it suitable for use in harsh environments, while its solubility in organic solvents facilitates easy application.
Physical and Chemical Properties
VC-VA resin typically appears as a white to off-white powder or granules. Its density ranges from approximately 1.35 to 1.45 g/cm³, and it has a melting point between 70-100°C, depending on the specific composition. The resin is insoluble in water but dissolves readily in ketones, esters, and chlorinated hydrocarbons. Key chemical properties include its resistance to acids, alkalis, and oils, making it ideal for protective coatings. The resin's film-forming ability is enhanced by its molecular structure, which allows for flexibility and durability. These properties are adjustable by varying the ratio of vinyl chloride to vinyl acetate in the copolymer.
Main Applications
VC-VA resin is primarily used in the production of coatings, adhesives, and inks. In the coatings industry, it is employed to create protective and decorative films for metal, plastic, and paper substrates. Its excellent adhesion and chemical resistance make it suitable for industrial and marine coatings. In adhesives, the resin provides strong bonding properties and flexibility, making it ideal for use in packaging and construction. The ink industry utilizes VC-VA resin for its ability to produce high-quality, durable prints on various surfaces. Additionally, it is used in specialty applications such as magnetic tape coatings and synthetic leather.
Safety and Storage
When handling VC-VA resin, it is essential to avoid inhalation of dust and contact with skin or eyes. Personal protective equipment (PPE), such as gloves and masks, should be worn during handling. The resin should be stored in a cool, dry place away from heat sources and direct sunlight to prevent degradation. In case of accidental exposure, rinse affected areas with plenty of water and seek medical attention if necessary. Proper ventilation is recommended when working with the resin in powdered form to minimize dust inhalation risks.
B2B Procurement Guide
When procuring VC-VA resin, buyers should verify the resin's purity, particle size, and compatibility with their specific application. It is advisable to request technical data sheets (TDS) and material safety data sheets (MSDS) from suppliers to ensure compliance with industry standards. Price negotiations should consider factors such as order volume, delivery terms, and quality certifications. Buyers may also evaluate suppliers based on their ability to provide consistent quality, timely deliveries, and technical support. For reference, the current market price ranges approximately $2.5-$4.5 per kg.
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