| 摘要 |
The present invention relates to a molded object of a polyesters resin with reduced contents of acetaldehyde and formaldehyde and a manufacturing method thereof. A manufacturing method of a molded object of a polyesters resin of the present invention comprises: a step of forming a polyesters resin by reacting a dicarboxylic acid component and a glycol component in the presence of catalyst compositions comprising complex metal oxides containing one or more elements selected from a group composed of aluminum (Al) and magnesium (Mg) and titanium (Ti), a zinc compound, and a phosphorus compound, and a step of molding the polyester resin. In addition, a resin molded article of the present invention comprises aldehyde compounds of less than 3ppmw. |
