| 摘要 |
Light-weight building panels based on mineral fibres A and thermoplastic binders contain 1 to 25% by weight, relative to A, of a copolymer B having a glass transition temperature from 70 to 105 DEG C and built up essentially from … … 50 to 98% by weight of methyl methacrylate I, … 2 to 50% by weight of one or more acrylates II of C1-C8-alkanols and … 0 to 2.5% by weight of one or more crosslinking monomers III as binders, … 0 to 150% by weight of fillers C and, … relative to B, 0.2 to 15% by weight of one or more amines F of the general formula …<IMAGE>… in which … … R is C8-C18-alkyl or C8-C18-alkenyl, … U and V are C2-C4-alkylene, … X and Y are hydrogen, C1-C18-alkyl or C2-C18-alkenyl and … n and m are integers from 0 to 10, … … or acid addition salts thereof. |
