A composition suitable for a hot melt-type white traffic paint which has good melt flowability, good thermal stability and high whiteness is prepared by blending: (A) an acid-modified hydrocarbon resin having an acid value of 0.10 to 15 obtained by oxidizing a hydrocarbon resin or reacting it with an .alpha.,.beta.-unsaturated carboxylic acid, or an ester-modified hydrocarbon resin obtained by reacting the acid-modified hydrocarbon resin with an alcohol; with (B) titanium dioxide.
通过混合以下两种物质,可以制备适用于热熔型白色交通涂料的成分,该涂料具有良好的熔融流动性、良好的热稳定性和高白度:(A)酸改性的烃类
树脂,其酸值为0.10至15,通过
氧化烃类
树脂或与α,β-不饱和
羧酸反应而获得,或通过将酸改性烃类
树脂与醇反应而获得
酯改性烃类
树脂;(B)
二氧化钛。