Binder for mineral and/or organic fiber mat, and products obtained
AssigneeSaint-Gobain Adfors
InventorsKatarzyna CHUDA, Aurelien Couraud
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Abstract
The present invention concerns an aqueous binder for a fiber mat, in particular mineral fibers, which comprises, in parts by weight: 50 to 95 parts of at least one lignosulfonic acid salt; 5 to 50 parts of at least one thermosetting resin selected from phenolic resins and urea-formaldehyde resins; and 5 to 20 parts of a curing catalyst selected from compounds containing phosphorus and sulfates per 100 parts of lignosulfonic acid salt and of thermosetting resin. It also concerns the products resulting from treatment of the fibers, especially mineral fibers, with said binder.
Claims22
An aqueous binder, comprising, in parts by weight:
- from 50 to 95 parts of at least one lignosulfonic acid salt;
- from 5 to 50 parts of at least one thermosetting resin selected from the group consisting of a phenolic resin and a urea-formaldehyde resin;
- and
- from 5 to 20 parts of a curing catalyst selected from the group consisting of phosphorus-comprising compounds and sulfates, per 100 parts of lignosulfonic acid salt and of thermosetting resin,
- wherein the binder is suitable for a mat of fibers.
Dependencies are inferred from the claim text.