The invention relates to a shape memory polymer, to a process for its production and to a process for its programming. The inventive shape memory polymer has at least two switching segments with different transition temperatures (Ttrans,1, Ttrans,2) such that the polymer, depending on the temperature,...http://www.google.com.au/patents/US8124691?utm_source=gb-gplus-sharePatent US8124691 - Shape memory polymer with polyester and polyacrylate segments and process for its production and programming
