Lightweight building board

Details Lightweight building board Lightweight building board

B - Operations, Transporting

27

N

B27N 3/04 (2006.01) C04B 26/06 (2006.01) C08K 5/17 (2006.01) C08K 7/04 (2006.01)

Patent

CA 2050404

O.Z. 0050/41888 Abstract of the Disclosure: Lightweight building board based on mineral fibers A and thermoplastic binders contains, based on A, from 1 to 25% by weight of a copolymer B having a glass transition temperature of from 70 to 105°C, composed essentially of from 50 to 98% by weight of methyl methacrylate I, from 2 to 50% by weight of one or more acrylic esters II of Cl-C8-alkanols, and from 0 to 2.5% by weight of one or more crosslinking monomers III as binder, from 0 to 150% by weight of filler C, and, based on B, from 0.2 to 15% by weight of one or more amines F of the formula Image where R is C8 C18 alkyl or C8-C18-alkenyl, U and V are each C2-18-alkylene, X and Y are each hydrogen, C1-C18-alkyl or C2-C18- alkenyl, and n and m are each an integer from 0 to 10, or an acid addition salt thereof.

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