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公开(公告)号：CA2625586A1
公开(公告)日：2007-05-03
申请号：CA2625586
申请日：2006-10-17
Applicant: BASF AG
Inventor： STRAUCH JOACHIM , DEININGER JUERGEN , LIESE-SAUER THOMAS , GRUETZNER ROLF-EGBERT , ROSENEAU BERNHARD
Abstract: The present invention relates to novel and improved polyamides composed of meta-xylylenediamine and having an amino end group content of less than 15 mmol/kg. Also found have been processes for preparing these polyamides composed of meta-xylylenediamine and adipic acid and having an amino end group content of less than 15 mmol/kg, which comprises reacting salt solutions of adipic acid and m-xylylenediamine at temperatures of from 80 to 300° C. and a pressure of from 1 to 20 bar with removal of water.
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