An article that repels animals includes a synthetic resin composition. The synthetic resin composition includes a first thermoplastic polymer. A master blend is combined with the first thermoplastic polymer. The master blend includes a second thermoplastic polymer. At least one odorant compound is selected from the group consisting of a salicylic acid ester, menthol, corn mint oil, eucalyptus oil, camphor oil, and combinations thereof. At least one scent extender compound includes at least one cyclodextrin compound, wherein a ratio by weight of the second thermoplastic polymer to a combination of the odorant compound and the scent extender compound is about 2:1. A method for forming a master blend, a method for forming a synthetic resin composition, and an article that repels animals including a synthetic resin composition are also described.
