发明名称 |
Composição para a repolpagem de pasta de massa á base de resina com resistência no estado úmido e processo para a repolpagem de pasta de massa |
摘要 |
<p>A composition containing a persulfate and a carbonate, a bicarbonate or sesquicarbonate, which composition is suitable for oxidizing wet strength resin based broke used in wet strength paper. The combination decreases the time required for effectively repulping broke from such paper. Additionally, the combination is a single product capable of beaking down the wet strength resin and adjusting or maintaining pH at a predetermined value without additional chemical treatment.</p> |
申请公布号 |
BR9405947(A) |
申请公布日期 |
1996.02.06 |
申请号 |
BR19949405947 |
申请日期 |
1994.02.24 |
申请人 |
FMC CORPORATION |
发明人 |
FRANK EDWARD CAROPRESO;DEAN SAMUEL THORP;ROBERT HUGO TIECKELMANN |
分类号 |
D21B1/14;D21C5/02;D21H21/20;(IPC1-7):D21H21/06;D21C3/02 |
主分类号 |
D21B1/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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