| http://www.w3.org/ns/prov#value | - Copolymers, according to the invention, which are also particularly preferred are those which contain at least 0.1% by weight, preferably 0.1 to 10% by weight, of units of polymerisable organosilicon and/or organoboron compounds, especially if these compounds act as units of n-functional crosslinking agents.
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