Abstract

Block and graft copolymers are attractive materials because they combine the properties of the parent polymers and offer the possibility of tailoring the physico-chemical and thermo-mechanical properties and processibility to obtain new engineering materials. The case of silicon-containing block and graft copolymers is particularly interesting because of the unique properties of polysiloxanes. Their exceptional properties (very low glass transition temperature, very low surface energy, gas permeability, resistance to oxidation and ultraviolet (UV) light, biocompatibility, etc.) combined with the immiscibility of polysiloxanes with most other polymers lead to materials which have been investigated for a wide range of potential applications of which surfactants, biomaterials, membranes are just a few examples. Some of them have received industrial development. Since the first academic works in the 1960s, through the period of the very complete review by Yilgor and McGrath in 1988 [1], as evidenced by the number of recent articles and patents the interest in silicone-organic block and graft copolymers has not decreased.

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