Invention Grant
US3560137A Wholly aromatic polyamides of increased hydrolytic durability and solvent resistance
失效
增加的水解耐久性和耐溶剂性的单体芳族聚酰胺
- Patent Title: Wholly aromatic polyamides of increased hydrolytic durability and solvent resistance
- Patent Title (中): 增加的水解耐久性和耐溶剂性的单体芳族聚酰胺
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Application No.: US3560137DApplication Date: 1967-08-15
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Publication No.: US3560137APublication Date: 1971-02-02
- Inventor: HAHN WALTER LEOPOLD
- Applicant: DU PONT
- Assignee: Du Pont
- Current Assignee: Du Pont
- Priority: US66060267 1967-08-15
- Main IPC: D01F6/60
- IPC: D01F6/60 ; D06M23/00 ; D06M9/00
Abstract:
HEATING CRIMPED SYNTHETIC, LINEAR, WHOLLY AROMATIC POLYAMIDE AND POLYIMIDE FIBERS TO A TEMPERATURE IN THE RANGE OF 275*C. TO 400*C. FOR 1 TO 10 MINUTES INCREASES THEIR HYDROLYTIC DURABILITY AND SOLVENT RESISTANCE.
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