Disclosed is a process for the preparation of polyamide polymers via prepolymer formation in a reactor system comprising a reactor, flasher and separator, crystallization of the prepolymer under controlled temperature conditions and the subsequent conversion of these crystallized prepolymers to high molecular weight polymer.
申请公布号
US6069228(A)
申请公布日期
2000.05.30
申请号
US19980135225
申请日期
1998.08.17
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
ALSOP, ALBERT WALTER;BLANCHARD, ELWOOD NEAL;COHEN, JEFFREY D.;IWASYK, JOHN MAURICE;LIN, CLARA YOUNG;MARKS, DAVID NEIL;STOUFFER, JAN M.