发明授权
US3767609A Process for the salt free manufacture of articles from linear aromatic polyamides in a lactam solvent 失效
在LACTAM溶剂中线性芳族聚酰胺制品的免费制造工艺

Process for the salt free manufacture of articles from linear aromatic polyamides in a lactam solvent
摘要:
AN IMPROVED PROCESS FOR THE PREPARATION OF SHAPED ARTICLES WHEREIN A POLYAMIDE IS FORMED BY THE POLYCONDENSATION OF A CORRESPONDING DIAMINE AND A CORRESPONDING ACID CHLORIDE IN A SOLVENT. THE SOLVENT HAVING THE FORMULA:

R-N
WHEREIN R IS AN ALKYL RADICAL HAVING 1-4 CARBON ATOMS AND N IS A WHOLE NUMBER BETWEEN 5 AND 7.
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