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2026-04-17

橡胶制品老化原因及预防措施

橡胶制品老化原因及预防措施
橡胶制品老化是指橡胶材料在储存或使用过程中,由于受到氧、臭氧、热、光、机械应力等因素的作用,导致其物理机械性能下降的现象。 **主要老化原因:** 1. 氧化老化:橡胶与空气中的氧发生反应 2. 臭氧老化:臭氧对橡胶分子链的攻击 3. 热老化:高温加速橡胶分子链断裂 4. 光老化:紫外线照射导致橡胶降解 5. 疲劳老化:反复变形导致橡胶结构破坏 **预防措施:** - 选择耐老化性能好的橡胶材料 - 添加防老剂、抗氧剂等助剂 - 避免阳光直射和高温环境 - 定期检查和更换老化制品 - 正确储存,避免挤压变形
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