发明名称 |
Formulação para uso no destintamento de papel contendo matéria impressa sem impacto e método de destintamento |
摘要 |
<p>A method of de-inking non-impact printed paper comprises contacting repulped paper with a formulation comprised of a derivatized ethylene oxide/propylene oxide polymer and a petroleum hydrocarbon distillate. The process separates the ink from the paper and agglomerates the separated ink into particles of a size sufficient that they can be efficiently removed from the paper fibers.</p> |
申请公布号 |
BR9507406(A) |
申请公布日期 |
1997.09.02 |
申请号 |
BR19959507406 |
申请日期 |
1995.03.08 |
申请人 |
BUCKMAN LABORATORIES INTERNATIONAL, INC. |
发明人 |
WALTER B. HILL, JR. |
分类号 |
D21C5/02;(IPC1-7):D21C5/02 |
主分类号 |
D21C5/02 |
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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