Lignophenol derivative, resin composition, and resin molded article

摘要

A compound includes a lignophenol derivative having a weight average molecular weight in a range of 5000 to 10000, and satisfying the following formula (1): 3.0@pH value@4.5(1) wherein the pH value is a determined value for a liquid mixture containing 0.2 g of the lignophenol derivative added to 40 ml of pure water.