Article of cement cured and process to prepare an article of cement cured high resistance

摘要

A cured cement article containing therein an organic polymer treated with an isocyanate compound has a high flexural strength and high water resistance. The article can be prepared by impregnating a cured cement article containing therein a water-soluble polymer or a water-dispersible polymer with an isocyanate compound, or by starting from a cement composition containing the polymer and the isocyanate compounds.