The present invention relates to a process for producing a propylene-1-butene copolymer resin composition and a propylene-1-butene copolymer resin composition obtained therefrom. More particularly, the present invention relates to a process for producing a propylene-1-butene copolymer resin composition using a catalyst and a nucleating agent containing a novel metallocene compound having an excellent copolymerization activity, and a propylene-1-butene copolymer resin composition . According to the present invention, by copolymerizing propylene and 1-butene using a novel metallocene compound having excellent copolymerization activity and hydrogen reactivity, it is possible to easily control physical properties of a copolymer and to obtain propylene-1-butene copolymer The merger can be obtained.
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