Wood preservative composition

摘要

Disclosed herein is a wood preservative composition comprising the following ingredients (A) and (B): (A) at least one alkyl ammonium compound, (B) at least one polyacid salt selected from the group consisting of condensated homopolyacid salts, condensated heteropolyacid salts, polycarboxylic acid salts and polyphosphonic acid salts. The (B) ingredients improve the anchoring property of the alkyl ammonium compound (A) which is the active ingredient of a wood preservative, thereby obtained a wood preservative with long-lasting preservation effect under the conditions of underground berrying or underwater installation.