Because commonly used acidic copper/chromium/arsenic solution(CCA) or ammoniacal copper and arsenic salt solution preservatives include potentially dangerous heavy metals. The use of copper in the above formulations may raise environmental and corrosion concerns. The Quaternary Ammonium Compounds have distinct environmental and safety advantages
This study discloses a method of preserving wood by impregnation with a quaternary ammonium compound, wherein the quat anion is...