• The difference between polyvinyl acetate and polyvinyl alcohol
    Jan 17, 2020
    Polyvinyl acetate(C4H6O2)n and polyvinyl alcohol[CH2CH(OH)]n are both polymers derived from vinyl acetate. However, they have distinct properties and applications due to their different chemical structures and properties.                                                                 Polyvinyl acetate is a thermoplastic polymer composed of repeating vinyl acetate units. It is commonly known as white glue or wood glue and is widely used as an adhesive in various applications. Polyvinyl acetate is known for its excellent bonding properties, fast drying time, and strong adhesion to porous materials like wood and paper. It forms a flexible and transparent film when it dries, making it suitable for applications such as crafting, woodworking, and packaging.   Polyvinyl alcohol, on the other hand, is produced by the hydrolysis of polyvinyl acetate. This process replaces the acetate groups with alcohol groups, resulting in a water-soluble polymer. Polyvinyl alcohol is known for its high solubility in water and biodegradability, making it an environmentally friendly material. It is used in various industries for its adhesive, film-forming, and emulsifying properties.   Polyvinyl alcohol finds applications in the textile industry for sizing yarns, in the paper industry as a surface coating agent and binder, and in the production of water-soluble packaging materials. Due to its biodegradability, Polyvinyl alcohol is also used in applications such as agricultural films, detergents, and water treatment.   In summary, polyvinyl acetate is a thermoplastic adhesive with excellent bonding properties, while polyvinyl alcohol is a water-soluble polymer known for its biodegradability and film-forming characteristics.   Website: www.elephchem.com Whatsapp: (+)86 13851435272 E-mail: admin@elephchem.com ElephChem Holding Limited, professional market expert in Polyvinyl Alcohol(PVA) and Vinyl Acetate–ethylene Copolymer Emulsion(VAE) with strong recognition and excellent plant facilities of international standards.
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