发明名称 |
Processo para tratamento de um material fibroso e artigo do mesmo |
摘要 |
<p>A process for treating a fibrous material which includes the steps of: 1) providing a liquid suspension composed of fibrous material; 2) intermixing the liquid suspension of fibrous material with a treatment over a time period T1-wherein the treatment requires a period of time TR sufficient to treat the fibrous material; 3) depositing the liquid suspension of fibrous material and intermixed treatment onto a forming surface to form a layer and removing a substantial portion of the liquid, over a perod of time T2; and 4) applying pressurized jets of a liquid to the layer of fibrous material to wash unused treatment from the fibrous material within a period of time T3. Periods of time T1, T2 and T3 are immediately consecutive and amount to a total period of time at least as great as TR. Also disclosed is a hydraulically entangled structure composed of: 1) at least one layer a wet-laid nonwoven web containing fibrous cellulosic material; and 2) colorfast dye imparting color to the fibrous cellulosic material such that the fibrous cellulosic material is colorfast.</p> |
申请公布号 |
BR9711438(A) |
申请公布日期 |
1999.08.24 |
申请号 |
BR19979711438 |
申请日期 |
1997.07.09 |
申请人 |
KIMBERLY-CLARK WORLDWIDE, INC. |
发明人 |
FRED ROBERT RADWANSKI;HENRY SKOOG |
分类号 |
D06P1/22;D04H1/42;D04H1/46;D06P1/30;D06P1/38;D21H21/28;D21H25/00;(IPC1-7):D21H21/28 |
主分类号 |
D06P1/22 |
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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