THE THERMOPLASTIC ACRYLIC RESIN FOR PVDF BINDER WHICH IS APPLICABLE ON AUTO TOP COATINGS FOR PRE-COATED METAL SYSTEM AND ITS SYNTHETIC METHOD WITH SOLUTION POLYMERIZATION

摘要

PURPOSE: An acrylic resin for a polyvinylidene fluoride resin binder is provided to have excellent durability, weatherability, flexibility, and exterior appearance. CONSTITUTION: An acrylic resin for a polyvinylidene fluoride resin binder comprises 15-20 parts by weight of methyl methacrylate, 8-12 parts by weight of n-butyl methacrylate, 5-10 parts by weight of 2-ethyl hexyl acrylate, 1-5 parts by weight of 1,6-hexanedioldiacrylate, 0.5-1 parts by weight of t-butyl amino ethyl methacrylate, 0.5-0.9 parts by weight of t-amylperoxy-2-ethyl hexanoate, 0.5-0.9 parts by weight of t-butyl peroxybenzoate as a polymerization initiator, 50-70 parts by weight of toluene or butyl acetate as a reaction solvent, and 30-50 weight% of solid phase.