| abstract |
A thermoplastic polyurethane toughened cyanoacrylate composition comprises [i] a cyanoacrylate, such as ethyl 2-cyanoacrylate or beta-methoxycyanoacrylate and [ii] 1-40 wt% thermoplastic polyurethane (TPU). Also disclosed is a method of preparing the thermoplastic polyurethane toughened cyanoacrylate. The thermoplastic polyurethane toughened cyanoacrylate composition exhibit long term viscosity stability when stored for prolonged periods at room temperature (25oC). |