公开(公告)号：HU9801806A2

公开(公告)日：1999-03-29

申请号：HU9801806

申请日：1996-04-04

Applicant: BASF AG

Inventor： BECHERT BERTOLD ,  BAACHER REINHARD ,  FRANZMANN GERNOT ,  RECK BERND ,  REHMER GERD

IPC: C04B41/48 ,  C04B41/63 ,  C08F20/38 ,  C08F20/58 ,  C08F220/06 ,  C08F220/38 ,  C08F220/54 ,  C08F246/00 ,  C08F265/04 ,  C08F265/10 ,  C08L33/14 ,  C08L33/26 ,  C08L51/00 ,  C09D133/06 ,  C09D133/14 ,  C09D133/26 ,  C09D151/00

Abstract: In a process for preserving a mineral molding by coating the surface of the mineral molding with an aqueous composition comprising an aqueous polymer dispersion, the dispersed polymer P comprises an ethylenically unsaturated acid of the 2-acrylamido-2-methylpropanesulfonic acid type polymerized into it in free-radically polymerized form.