Thermoplastic elastomer resin composition

A thermoplastic elastomer resin composition comprising, based on 100 parts by weight of the composition,

• 97.1 to 97.8 parts by weight of thermoplastic elastomer resin;
• as reactive additive, 0.3 to 1.0 parts by weight of compound containing one or more isocyanurate functional groups;
• 0.05 to 1 parts by weight of antioxidant;
• and
• 0.1 to 5 parts by weight of surface modifier,
• wherein the thermoplastic elastomer resin consists of thermoplastic polyester elastomer (TPEE) only,
• wherein the thermoplastic polyester elastomer comprises hard segment comprising polymerized units derived from aromatic dicarboxylic compound and diol;
• and soft segment comprising polymerized units derived from polyalkylene oxide,
• wherein the thermoplastic polyester elastomer is branched by branching agent, and the branching agent comprises glycerol, pentaerythritol, neopentylglycol, or mixture of two or more thereof,
• wherein the compound containing one or more isocyanurate functional groups comprises hexamethylenediisocyanate-isocyanurate,
• wherein the aromatic dicarboxylic compound comprises terephthalic acid, isophthalic acid, 1,5-dinaphthalenedicarboxylic acid, 2,6-dinaphthalenedicarboxylic acid, dimethyl terephthalate, dimethyl isophthalate, or mixture of two or more thereof,
• wherein the diol comprises ethyleneglycol, propyleneglycol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,4-cyclohexanedimethanol, or mixture of two or more thereof,
• wherein the polyalkylene oxide comprises polyoxyethylene glycol, polyoxypropylene glycol, polyoxytetramethylene glycol, or mixture of two or more thereof, and
• wherein the surface modifier comprises a silicone resin.