发明名称 Meta- and para-aramid pulp and processes of making same
摘要 The present invention relates to meta- and para-aramid pulp for use as reinforcement material in products such as seals and friction materials. The pulp comprises (a) fibril free meta-aramid particles, (b) irregularly shaped, para-aramid fibrous structures, and (c) water, whereby the para-aramid fibrous structures contact and are wrapped partially around at least some of the meta-aramid particles. The invention further relates to processes for making such aramid pulp.
申请公布号 US7455750(B2) 申请公布日期 2008.11.25
申请号 US20040877860 申请日期 2004.06.25
申请人 E.I. DU PONT DE NEMOURS AND COMPANY 发明人 CONLEY JILL A.;LUNDBLAD LENARD OSCAR;MERRIMAN EDMUND A.
分类号 D21H13/26;D21H13/24 主分类号 D21H13/26
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