申请日期 | 2025-06-29 | 申请号 | FR07059062 |
公开(公告)号 | FR2923829A1 | 公开(公告)日 | 2009-05-22 |
公开国别 | FR | 申请人省市代码 | 全国 |
申请人 | ARKEMA FRANCE | ||
简介 | The present invention milked with a method of preparation of a powder of particles of polymers superabsorbants to structure “heart-shell” in which a stage of post-reticulation is carried out using a reticulating system including/understanding a (a)-oxazoline not substituted on the cycles oxazoline and a catalyst answering the formula M (X) N in which X is BF4, PF6, SbF6, AsF6 or ClO4 and M is an alkaline or alkaline-earth metal and N = 1 or 2. |
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