The invention concerns a micropowder with spherical particles having an essentially smooth surface structure and containing as the essential component polyarylene ether sulphones or ketones and obtained by prilling melts of such compounds or by spray-drying solutions thereof.
申请公布号
WO9415999(A1)
申请公布日期
1994.07.21
申请号
WO1994EP00007
申请日期
1994.01.04
申请人
BASF AKTIENGESELLSCHAFT;SCHOENHERR, MICHAEL;AHLERS, JUERGEN;BUCHERT, HERMANN
发明人
SCHOENHERR, MICHAEL;AHLERS, JUERGEN;BUCHERT, HERMANN