Formaldehyde-free phenolic resin binder.

Details Formaldehyde-free phenolic resin binder. Formaldehyde-free phenolic resin binder.

C - Chemistry, Metallurgy

08

L

C08L 61/06 (2006.01) D04H 1/64 (2006.01)

Patent

CA 2632163

The present invention concerns a composition containing: an aqueous dispersion of at least one phenol-formaldehyde resin; at least one amine compound, wherein the molecular mass of the amine compound does not exceed approximately 20 000 g/mole, at least one activated silane, as well as at least one aromatic hydroxyl compound. The composition may be employed as a formaldehyde-free binder for the manufacture of mineral wool.

L'invention concerne une composition comprenant: une dispersion aqueuse d'au moins une résine phénol-formaldéhyde; au moins un composé amine dont la masse moléculaire ne dépasse pas approximativement 20 000 g/mole, au moins un silane activé, ainsi qu'au moins un composé hydroxyle aromatique. La composition peut être utilisée comme un liant exempt de formaldéhyde pour la fabrication de laine minérale.

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