C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/14 (2006.01)
Patent
CA 2566941
The invention relates to the use of glycerol as an additive for aqueous glues which are devoid of formaldehyde and based on acrylic polymer or acrylate, used for the production of mineral-wool based products, in order to improve the resistance to ageing of said mineral-wool based products obtained after the cross-linking of said glue. The products which are based on mineral-wool which is bound with said environmentally friendly glue have the same quality as products which are bound in a conventional manner with phenolic resin. Modifications in the thickness and the flexibility of the products obtained are improved. .
La présente invention concerne l'utilisation de glycérol en tant qu'additif pour encollages aqueux, exempts de formaldéhyde, à base de polymère acrylique ou acrylate destinés à la fabrication de produits à base de laine minérale, pour améliorer la résistance au vieillissement de produits à base de laine minérale obtenus après réticulation de l'encollage. Les produits à base de laine minérale liée avec un tel encollage qui respecte l'environnement présentent la même qualité que les produits liés de manière classique avec une résine phénolique. La reprise en épaisseur et la flexion des produits obtenus sont améliorées.
Espiard Philippe
Olbrich Eva
Goudreau Gage Dubuc
Saint-Gobain Isover
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