A process for surface treatment of a plastic is provided. The process includes applying to at least one surface of the plastic a composition with reactive functional groups which can be polymerized and/or crosslinked by irradiation. The process can be used to form a coating such as a
Silicone material crosslinkable into silicone elastomer by polyaddition reactions is described. A material is provided offering a compromise between the following characteristics: fluidity (in non-crosslinked state), hydrophilicity (in non-crosslinked or crossliked state) and high me