C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/10 (2006.01) C08L 83/06 (2006.01) C09D 133/10 (2006.01) C09D 151/08 (2006.01) C09D 183/06 (2006.01) C09D 183/10 (2006.01)
Patent
CA 2103235
Herberts Gesellschaft mit beschrankter Haftung A b s t r a c t: The description relates to polysiloxane-containing binders and manufacture thereof, for use more particularly in coating agents for dirt-repellent coatings, more particularly anti-graffiti coatings. The binders are obtainable by radically initiated polymerisation of 97 to 60 wt.% of one or more (meth)acrylic monomers and optionally also one or more different radically polymerisable monomers, in the presence of 3 to 40 wt.% of one or more .alpha.,.omega.-hydroxy-, carboxy- and/or epoxy-functional polysiloxanes having the general formula (I) Image (I) in which the radicals R' can be the same or different and denote alkyl radicals containing 1 to 6 carbon atoms and in which the radicals R can be the same or different and denote - Alk - OH - Alk - (OAlk)p - OH Image Image or Image in which Alk and Alk' denote alkylene groups containing 1 to 6 carbon atoms and the alkylene groups in a molecule can be the same or different, n = 8 to 40, m = 2 to 30 and p = 1 to 20, and the percentages by weight relate to the sum of the weight of solids in the monomers and polysiloxanes used.
Brandt Lutz
Flosbach Carmen
Kalus Reinhardt
Schubert Walter
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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