申请人:BASF AKTIENGESELLSCHAFT
公开号:EP1457519A1
公开(公告)日:2004-09-15
A color-stable superabsorbent polymer composition having long-term color stability, and methods of manufacturing the composition, are disclosed. The superabsorbent polymer composition contains an inorganic reducing agent and an optional metal salt, and resists color degradation during periods of extended storage, even at an elevated temperature and humidity.
本发明公开了一种具有长期颜色稳定性的颜色稳定超吸收聚合物组合物以及该组合物的制造方法。这种超吸收聚合物组合物含有一种无机还原剂和一种可选的金属盐,即使在温度和湿度升高的条件下,也能在长期储存期间防止颜色退化。