| 摘要 |
<p>The present invention relates to the use of at least one alkanesulfonic acid of formula R-SO3H, in which R represents a saturated, linear or branched, hydrocarbon chain containing 1 to 4 carbon atoms, as agent for cleaning cement, mortar, concrete, lime, laitance and other derived products. The invention also relates to a method of cleaning cement, mortar, concrete, lime, laitance and other derived products using at least one alkanesulfonic acid.</p> |
