| 氢氧化镁填充的VAMAC无卤低烟阻燃电缆胶料的配方与性能 |
| Halogenless，Low-fume and Flame-retardant VAMAC Cable Compound Filled with Magnesium Hydroxide |
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| DOI： |
| 中文关键词: VAMAC 电缆 低烟阻燃 氢氧化镁 硬脂酸锌 |
| 英文关键词: VAMAC cable low fume flame retardant magnesium hydroxide zinc stearate |
| 基金项目: |
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| 中文摘要: |
| 在乙烯-丙烯酸酯橡胶（VAMAC）无卤低烟阻燃电缆胶料配合中，主要填料氢氧化镁及其表面处理剂硬脂酸锌的用量是关键，硫化体系也较重要。胶料优化配方为：VAMAC 100；2，5-二甲基-2，5-双（叔丁基过氧）己烷 3.0～3.3；N，N′-间亚苯基双马来酰亚胺和三（甲基丙烯酸三羟甲基）丙酯 0.8～1.0。硬脂酸锌处理过的陶土＋LEE白滑粉 50～60；加工助剂 12～14；硬脂酸锌 1.2～1.4；氢氧化镁 43～47；其它 6～8。胶料阻燃、低烟和物理机械性能良好，成品电缆通过GB 12666-90燃烧试验，且完全满足设计和IEC502（1994）性能要求。 |
| 英文摘要: |
| The loading level of the main filler，magnesium hydroxide and its surface treating agent，zinc stearate is the most important in the halogenless，low-fume and flame-retardant VAMAC cable compound，and a special attention should be paid to the curing system. The optimized compounding formula is as follows：VAMAC 100；2，5-dimethyl-2，5-bis（tert-butyl perox）hexane 3.0～3.3；N，N′-m-phenylene bismaleimide and trimethylol propane trimethacry late 0.8～1.0；clay treated with zinc stearate＋LEE slippery white powder 50～60；processing aids 12～14；zinc stearate 1.2～1.4；magnesium hydroxide 43～47；others 6～7. The resultant compound features flame retardant，low-fume and good physical properties. The finished cable has passed GB12666—90 Burning Test and is in accordance with the requirements in IEC 502（1994）。 |
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