Insulation product comprising mineral fibers and a binder
AssigneeSaint-Gobain Isover
InventorsPierre Salomon, Juliette Slootman
Life of this patent
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Abstract
An insulation product includes mineral fibers and a binder obtained by curing a binding compound, includes as components a) compounds including at least one epoxy function, including at least one epoxy precursor chosen from aliphatic compounds including at least two epoxy functions, b) a hardener chosen from compounds including at least two reactive functions chosen from hydroxyl and carboxylic acid functions, it being possible for the carboxylic acid function(s) to be in salt or anhydride form.
Claims14
An insulation product comprising mineral fibers and a binder obtained by curing a binding compound comprising as components:
- a) compounds comprising at least one epoxy function, including at least one epoxy precursor chosen from aliphatic compounds comprising at least two epoxy functions, the aliphatic compounds comprising at least two epoxy functions representing at least 50% of the total weight of the compounds comprising at least one epoxy function of the binding compound,
- b) a hardener selected from the group consisting of one or more compounds comprising at least two reactive hydroxyl functions,
- the one or more compounds being at least one polyol chosen from sucrose, glucose, fructose, lactose, isomalt, isosorbide or talitol, sorbitan, inositol, glycerol, erythritol, arabitol, xylitol, sorbitol, mannitol, iditol, maltitol, isomaltitol, lactitol, cellobitol, palatinitol, maltotritol, starch hydrolysate hydrogenation products or hemicellulose hydrolysate hydrogenation products, trimethylol propane and pentaerythritol, lignin and its derivatives, lignans, ammonium lignosulfate or the alkali or alkaline-earth metal salts of lignosulfonic acid, tannic acids, tannins and condensed tannins,
- and
- wherein the total weight of binder represents 0.5 to 15% of the total weight of the mineral fibers,
- wherein the binding compound comprises 0.5 to 50 parts by weight of epoxy precursor (a) for one part by weight of hardener (b).
An aqueous binding compound for insulation products based on mineral fibers, comprising as components:
- a) compounds comprising at least one epoxy function, including at least one epoxy precursor chosen from aliphatic compounds comprising at least two epoxy functions, the aliphatic compounds comprising at least two epoxy functions representing at least 50% of the total weight of the compounds comprising at least one epoxy function of the binding compound,
- b) a hardener that reacts with said compounds to crosslink the aqueous binding compound, the hardener being selected from the group consisting of one or more compounds comprising at least two reactive hydroxyl functions,
- the one or more compounds being
- at least one polyol chosen from sucrose, glucose, fructose, lactose, isomalt, isosorbide or talitol, sorbitan, inositol, glycerol, erythritol, arabitol, xylitol, sorbitol, mannitol, iditol, maltitol, isomaltitol, lactitol, cellobitol, palatinitol, maltotritol, starch hydrolysate hydrogenation products or hemicellulose hydrolysate hydrogenation products, trimethylol propane and pentaerythritol, lignin and its derivatives, lignans, ammonium lignosulfate or the alkali or alkaline-earth metal salts of lignosulfonic acid, tannic acids, tannins and condensed tannins,
- wherein the binding compound comprises 0.5 to 50 parts by weight of epoxy precursor (a) for one part by weight of hardener (b).
Dependencies are inferred from the claim text.