光稳定剂3853
化学名称:2,2,6,6-四甲基-4-哌啶基硬脂酸酯
英文名称:2,2,6,6-tertamethyl-4-piperidinyl-rpw stearin
CAS NO.:167078-06-0
结 构 式:

质量指标:
外观:蜡状固体 |
包装:净重25kgs塑料桶或160kgs的铁桶。
用途:本品为新型受阻胺光稳定剂,用于聚烯烃塑料、聚氨酯、ABS树脂、涂料、粘合剂、橡胶等,其光稳定效果优良,并具有高效低毒等优点。
受阻胺光稳定剂3853的合成以硬脂酸甲酯和2,2,6,6-四甲基-4-哌啶醇为原料,光稳定剂3853在催化剂甲醇钠的作用下,以二甲苯为溶剂进行酯交换而得。通过正交实验,取得了较佳的反应条件:n(C9H19NO):n(硬脂酸甲酯)=1.15:1,反应时间为7h,催化剂用量为硬脂酸甲酯质量的8%。在此条件下合成的产品符合质量标准,产品的收率达95.6%。
Last Updated: 2014-03-13
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