Preparation method of acrylic quaternary ammonium salt film with contact antibiosis and antifogging functions
A technology for film preparation and acrylic acid, which is applied in biocide-containing paints, anti-fouling/underwater coatings, coatings, etc., can solve the problems of PDMAEMA’s high hardness, difficult processing and molding, and limited applications, and achieve excellent mechanical properties and low cost. Inexpensive, high light transmittance effect
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[0032] Embodiment 1 Preparation of Acrylic Quaternary Ammonium Salt Film with Contact Antibacterial and Antifog
[0033] A, under argon atmosphere, use pipette gun to add reaction monomer dimethylaminoethyl methacrylate (DMAEMA) (21.44ml) in the three-necked polymerization bottle of 100ml, add organic solvent ethanol (40ml) as reaction solvent, Then add pre-treated AIBN (16.4 mg) as an initiator, seal the polymerization bottle and stir thoroughly, and repeatedly evacuate argon to ensure the removal of oxygen in the system. Place the polymerization bottle in an oil bath at 65°C, condense and reflux for 24 hours. After the reaction is completed, the product is repeatedly settled with deionized water to remove unreacted monomers to obtain a white solid, which can be freeze-dried to obtain the final binary copolymer. PBD-1 was used as the precursor, and it was stored in a desiccator for later use.
[0034] B. Weigh 1.5g binary copolymer precursor PBD-1 and dissolve it in the orga...
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