公开(公告)号：ID17679A

公开(公告)日：1998-01-22

申请号：ID972536

申请日：1997-07-21

Applicant: BASF AG

Inventor： PAKUSCH JOACHIM ,  ANGEL MAXIMILIAN ,  ROSER JOACHIM ,  DRAGON ANDRE ,  SACK HEINRICH

IPC: C04B24/22 ,  C04B24/26 ,  C08J3/12 ,  C08L101/00 ,  C08K5/053 ,  C09F9/00

Abstract: PCT No. PCT/EP97/03929 Sec. 371 Date Jan. 20, 1999 Sec. 102(e) Date Jan. 20, 1999 PCT Filed Jul. 21, 1997 PCT Pub. No. WO98/03576 PCT Pub. Date Jan. 29, 1998Phenolsulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions. Also described are a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders.