| 摘要 |
<p>PURPOSE:To effectively use waste materials such as chips of paper diapers produced in a cutting process which are conventionally only discarded, and to produce an inorg. building material having high strength. CONSTITUTION:A cement compounded material is prepared by compounding 30-50wt.% cement, 30-40wt.% silica sand 5-20wt.% reinforcing pulp fiber, and aggregates as necessary. As for the pulp fiber, wasted paper diapers from which water-absorbing polymers are removed is used.</p> |
