Invention Grant
- Patent Title: Para-fully aromatic polyamide pulp, an apparatus for producing thereof and a process of making thereof
- Patent Title (中): 全芳香族聚酰胺纸浆，其制造装置及其制造方法
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Application No.: US254862Application Date: 1999-07-19
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Publication No.: US6166175APublication Date: 2000-12-26
- Inventor: Kil Yeong Jung , Won Jun Choe , Jong Cheol Kim , In Sik Han , Hyeong Rak Lee , Hyung Don Huh
- Applicant: Kil Yeong Jung , Won Jun Choe , Jong Cheol Kim , In Sik Han , Hyeong Rak Lee , Hyung Don Huh
- Applicant Address: KRX Kyunggi-do
- Assignee: Kolon Industries, Inc.
- Current Assignee: Kolon Industries, Inc.
- Current Assignee Address: KRX Kyunggi-do
- Priority: KRX96/41801 19960924; KRX96/53872 19961114; KRX97/46313 19970909; KRX97/46314 19970909
- Main IPC: D01F6/60
- IPC: D01F6/60 ; C08F6/00 ; D01D5/06 ; D21H13/26
Abstract:
The 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.
Public/Granted literature
- US5533866A Pressurized air system Public/Granted day:1996-07-09
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