发明名称 |
Método para a formação de uma folha compósita de múltiplas camadas e folha compósita de múltiplas camadas |
摘要 |
<p>A multi-layer composite sheet comprising a shrinkable layer intermittently bonded a to a gatherable layer with the bonds separated by a specified distance and wherein the shrinkable layer can shrink and at the same time gather the gatherable layer between the bonds. A process for preparing multi-layer composite sheets by intermittently bonding a shrinkable layer to a gatherable layer with the bonds separated by a specified distance and causing the shrinkable layer to shrink while at the same time gathering the gatherable layer between the bonds. Preferably, the shrinkable layer comprises an array of fibers or nonwoven web comprising fibers having latent spiral crimp.</p> |
申请公布号 |
BRPI0215139(B1) |
申请公布日期 |
2015.08.04 |
申请号 |
BR20020215139 |
申请日期 |
2002.12.18 |
申请人 |
INVISTA TECHNOLOGIES S.À.R.L. |
发明人 |
DIMITRI P. ZAFIROGLU;GEOFFREY DAVID HIETPAS;JEFFREY ALLEN CHAMBERS |
分类号 |
B32B5/26;B32B7/14;B32B3/28;B32B5/04;B32B7/02;B32B27/06;B32B27/12;B32B27/36;D04H1/48;D04H1/50 |
主分类号 |
B32B5/26 |
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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