Abstract
Six groups of polyacrylate binders are prepared with emulsion polymerization technique. D4 and ethenylsiloxane as modified monomers. Methyl acrylate (MA), butyl acrylate (BA) and styrene (St) are employed as basic polymerizing monomers; acrylic acid (AA) as catalyzer; glycidyl methacrylate (GMA) as reactive monomers; VTMS as coupling agent;sodium dodecylsulfate (SDS), composite fatty alcohol ether polyethylene oxide (composite AEO) as emulsifier and ammonium persulfate (APS) as initiator. The time and dosage of D4/initiator and dosage of coupling agent are changed for their effects on the reaction conversion rate and gel rate. Then, comparison with normal PA and green PA in the adhesivity, staining resistance, yellowing resistance, water tolerance and pliability of binders are carried. The studies show that the green silicone polyacrylate binder have the better comprehensive properties with D4 5% (on mass of monomers ) and ethenylsiloxane 1% (on mass of D4).
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