Para-fully aromatic polyamide pulp, an apparatus for producing thereof and a process of making thereof

摘要

PCT No. PCT/KR97/00181 Sec. 371 Date Jul. 19, 1999 Sec. 102(e) Date Jul. 19, 1999 PCT Filed Sep. 23, 1997 PCT Pub. No. WO98/13548 PCT Pub. Date Apr. 2, 1998The present invention relates to a para-fully aromatic polyamide pulp, its preparing process and its preparing equipment, more particularly, it is assemble of micro fibrils having less than 1 mu m in its average diameter and crushed oval shaped cross-section wherein the longest distance is at least 1.2 times than the shortest distance. Also, the present invention relates to a continuous process and equipment preparing for the above aromatic polyamide pulp by orienting and maturing or orienting, maturing and cutting the pre-polymer (non-oreinted) that aromatic diamine has been reacted with equivalent mole of aromatic diacid chloride in polymerization solvent.