Mechanical, thermal properties and morphology of composite coating based on acrylic emulsion polymer and graphene oxide

Abstract

Effects of graphene oxide content on mechanical, thermal properties and morphology of composite coating based on acrylic emulsion R4152 and graphene oxide (GO) have been investigated. Obtained results showed that GO particles had insignificant effect on adhesion of composite coating but GO improved abrasion resistance of composite coatings. The abrasion durability of coatings increased with GO ratio rising to 0.5% and then abrasion resistance of coatings decreased with GO ratio continuously growing up. SEM images presented that GO particles dispersed homogenously into polymer matrix if the GO ratio is of 0.5 % wt. While the ratio increased to 1% wt., the agglomeration of GO particles in composite coating could be seen clearly in SEM images. It is assumed that the abrasion resistance decreased if using the GO ratio more than 0.5% wt. TGA results also demonstrated the thermal property of GO composite coating was improved than that of neat coating.