| 摘要 |
<p>Disclosed is the use of a composition having a pH between 4 and 10, and including at least one C1-C7-monocarboxylic acid or a salt or a mixture thereof, and at least one chelating agent dissolved in a liquid aqueous vehicle, for treating wood while maintaining its original wood structure. Also disclosed is a composition comprising (i) propionic acid or sorbic acid or a salt thereof; calcium formate; or a mixture thereof, and (ii) a chelating agent selected from the group consisting of an N-bis-[2-(1,2-dicarboxyethoxy)-ethyl]-amine derivative, a biodegradable aspartic acid derivative, a biodegradable polymer that binds metals and an organic phosphorus compound; and mixtures thereof. Also disclosed is a composition comprising (i) at least one C1-C7 monocarboxylic acid or a salt or a mixture thereof, and (ii) a chelating agent selected from the group consisting of an N-bis-[2-(1,2-dicarboxyethoxy)-ethyl]-amine derivative, a biodegradable aspartic acid derivative and a biodegradable polymer that binds metals; and mixtures thereof. Also disclosed is a composition comprising ammonium formate and HEDP and having pH between 4-7.</p> |
