Disclosed are stabilized aqueous polymer compositions containing
A) a stabilizing amount of at least a first stabilizer comprising a heterocyclic condensed ringsystem containing nitrogen and sulphur ring heteroatoms with the exception of a phenothiazine compound or containing a stabilizing amount of said first stabilizer with a phenothiazine compound; and
B) at least one polymer comprising groups which are capable of complex formation with ions.
The aqueous polymer compositions are stabilized against thermal or other degradation processes of the polymer by addition of component A) to allow their use even under harsh conditions.
所公开的稳定
水性聚合物组合物含有
A) 至少含有第一种稳定剂的稳定剂,该稳定剂包含含有氮和
硫环杂原子(
吩噻嗪化合物除外)的杂环缩合环体系,或含有第一种稳定剂与
吩噻嗪化合物的稳定剂;以及
B) 至少一种聚合物,含有能与离子形成络合物的基团。
水性聚合物组合物通过添加 A) 组分来稳定聚合物的热降解或其他降解过程,使其即使在苛刻的条件下也能使用。