内容详情

当前位置:首页 > 抗臭氧老化

长效抗臭氧剂 L

发布时间:2017-10-13    点击数:327


产品简介:
本品为对苯二胺类防老剂的特殊品种,具有反应性,在橡胶硫化过程中,可参与硫化交联网络的形成,因此具有挥发性低、耐水或溶剂抽出、难迁移等特点,可发挥更长效的防护效果。
本品具有综合防护效能,尤其对臭氧老化和曲挠龟裂的防护效能更佳。

技术指标:

项   目 指   标
外   观 深褐色至紫黑色粉末 
初熔点,℃ ≥45
加热减量(105℃×2h),% ≤ 2.0



产品用途:
本品在胶料中易分散,可在终炼时加入,对胶料硫化特性无影响,可单独使用,亦可与防老剂RD并用。虽为污染性防老剂,但无迁移作用,不会引起制品变色,同时也无需考虑与含有本防老剂橡胶制品接触的物品被污染。
本品适用于轮胎、输送带等一般工业橡胶制品,同时也可作为胶鞋、胶管、密封圈等制品。

包装及储存:
牛皮纸复合袋包装,净重25.0±0.2kg。
存放于阴凉、通风、干燥处,避免与酸性物质接触。

建议运输条件
  符合一般化学品运输条件即可。



Long-term Antioxidant L


Product introduction
This product is a special kind of p-phenylenediamine antioxidant. It has reactivity and participate in the formation of cross-linking network during rubber vulcanization. Therefore, it has characteristics of low volatility, water resistance or solvent extraction and difficult to migrate. It can play long-term protective effect.  This product has comprehensive protective effect, especially for ozone aging and flexible cracking.
 
Technical data


Items Index
Appearance dark-purple powder
Initial melting point,℃ ≥45
Heating loss(105℃×2h),% ≤ 2.0

 
Product applications
This product is easy to disperse in the compound and can be added at final processing. It has no effect on the vulcanization characteristics of rubber compound. The product can be used alone or be used with antioxidant RD. Although it is a contaminated antioxidant but has no migration effect and will not cause product discoloration. At the same time, no need to worry for rubber goods which are in contact with rubber products containing this antioxidant to be contaminated.
This product is suitable for tires, conveyor belts and other general industrial rubber products. It can also be used for rubber shoes, hoses and sealing rings.
 
Package and Storage:
Packing in kraft paper composite bags, net weight 25±0.2kg.
Store in a cool, ventilated and dry place. Avoid contact with acid substances
 
Recommended transport conditions:
It can meet general chemical transportation conditions.