发明名称 |
Paper comprising PIPD pulp and process for making same |
摘要 |
The invention concerns a paper comprising polypyridobisimidazole fibers, where the apparent density of the paper is from 0.1 to 0.5 g/cm3 and the tensile strength of the paper in N/cm is at least 0.00057X*Y, where X is the volume portion of polypyridobisimidazole in the total solids of the paper in % and Y is basis weight of the paper in g/m2. |
申请公布号 |
US8137506(B2) |
申请公布日期 |
2012.03.20 |
申请号 |
US20060084008 |
申请日期 |
2006.12.19 |
申请人 |
MERRIMAN EDMUND A.;AMMA ACHIM;LEVIT MIKHAIL R.;MULCAHY KEVIN A.;E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MERRIMAN EDMUND A.;AMMA ACHIM;LEVIT MIKHAIL R.;MULCAHY KEVIN A. |
分类号 |
D21H13/20 |
主分类号 |
D21H13/20 |
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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