发明名称 |
MATRIX FREE NON-WOVEN LAYER OF POLYPYRIDAZLE SHORT FIBER |
摘要 |
Provided are non-woven constructions and fabrics comprising polypyridazole short fiber; said short fiber characterized by an average filament tenacity of at least 15 grams per denier (gpd); an average filament modulus of at least 500 gpd; an average filament density of at least 1.6 g/cc; an average filament length of 30 to 100 mm; and an average filament denier per filament (dpf) of 0.1 to 10; wherein the construction is substantially free of matrix. |
申请公布号 |
WO2007145673(A2) |
申请公布日期 |
2007.12.21 |
申请号 |
WO2006US61738 |
申请日期 |
2006.12.07 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY;CHIOU, MINSHON, J. |
发明人 |
CHIOU, MINSHON, J. |
分类号 |
D04H1/42;B32B5/26;D04H1/46;D04H13/00 |
主分类号 |
D04H1/42 |
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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