C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/08 (2006.01) C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/44 (2006.01) C08G 18/50 (2006.01) C14C 11/00 (2006.01) D06N 3/14 (2006.01) D21H 19/62 (2006.01)
Patent
CA 2109178
The invention relates to coating compositions comprising (A) a polyurethane based on a polyisocyanate, a diol having an average molecular weight of from 350 to 5000, and a chain lengthening agent having a molecular weight of from 32 to 349, wherein said polyurethane (A) contains ionic groups in a quantity of from 0.1 to 75 milliequivalents per 100 g of polyurethane (A) and more than 6 to 50% by weight, based on polyurethane (A), of polyethylene oxide units (-CH2CH2 0)n- having a sequence length n of from 2 to 50 incorporated into the main chain, and (B) from 30 to 80% by weight, based on the sum of components (A) and (B), of an aqueous phase.
Nachtkamp Klaus
Pedain Josef
Schmitz Reinold
Schutze Detlef-Ingo
Thoma Wilhelm
Aktiengesellschaft Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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