WATER REPELLENT TREATMENT FOR BUILDING ELEMENTS CONTAINING MINERAL FIBRES

Hydrophobizing mineral fiber components, comprises adding siloxane compounds (I) for producing mineral fiber components. Hydrophobizing mineral fiber components, comprises adding siloxane compounds of formula (M a(M1a) b D c(D1a) d(D-alkoxy) e(T) f(Q) g) (I) for producing mineral fiber components. M...

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Bibliographische Detailangaben
Hauptverfasser: Koenig, Frank, Ferenz, Michael, Mund, Christian, Herrwerth, Sascha
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Hydrophobizing mineral fiber components, comprises adding siloxane compounds (I) for producing mineral fiber components. Hydrophobizing mineral fiber components, comprises adding siloxane compounds of formula (M a(M1a) b D c(D1a) d(D-alkoxy) e(T) f(Q) g) (I) for producing mineral fiber components. M : (R 1>) 3SiO 1 / 2; M1a : (R 1>) 2R 2>SiO 1 / 2; D : (R 1>) 2SiO 2 / 2; D1a : R 1>R 3>SiO 2 / 2; D-alkoxy : R 1>R 4>SiO 2 / 2; T : R 1>SiO 3 / 2; Q : SiO 4 / 2; a, b : 0-22; c : 5-400; d : 0-20; e : 0-40; f, g : 0-10; R 1>aliphatic or aromatic hydrocarbon radicals (optionally having ether functions and/or ester functions and carrying halo); R 2>R 3> or R 4>; R 3>polyether or H; R 4>-(CH 2) k-Si(R 6>) l(OR 6>) 3 - l; k : 2-12; l : 0-2; and R 6>alkyl or aryl. Provided that: sum of a+b is >= 2; sum of b+e is >= 2; and when e is = 1, then R 2> is R 4>. Independent claims are included for: (1) the hydrophobized mineral fibers produced by the above process; and (2) mineral fiber components produced using (I).