唐家美,郭玉花,黄 震,滕立军.LDPE/LLDPE/nano-Mg(OH)-2阻燃体系的成型工艺和阻燃性能研究[J].包装工程,2012,33(19):57-60.
TANG Jia-mei,GUO Yu-hua,HUANG Zhen,TENG Li-jun.Molding Technology and Fire-retardant Properties of LLDPE/LLDPE/nano- Mg(OH)-2 Systems[J].Packaging Engineering,2012,33(19):57-60. |
| LDPE/LLDPE/nano-Mg(OH)-2阻燃体系的成型工艺和阻燃性能研究 |
| Molding Technology and Fire-retardant Properties of LLDPE/LLDPE/nano- Mg(OH)-2 Systems |
| 投稿时间：2012-06-08 修订日期：2012-10-10 |
| DOI： |
| 中文关键词: 聚乙烯 纳米氢氧化镁 阻燃 成型 |
| 英文关键词: polyethylene nano-Mg(OH)-2 fire-retardant molding |
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| 中文摘要: |
| 以LDPE和LLDPE（60∶40）为基础物质，添加纳米氢氧化镁阻燃剂，构成阻燃体系，研究了阻燃体系的成型加工工艺参数和阻燃性能。研究表明：加入氢氧化镁后，造粒机的主螺杆转速都会提高，物料造粒时的实际挤出温度随着纳米氢氧化镁含量的增加而逐步降低；成型样条时，随着氢氧化镁含量的增加，模具温度逐渐升高，当氢氧化镁添加量大于30%以后，消除了熔滴现象，当氢氧化镁添加量达到50%时，达到了FV-0级阻燃级别。 |
| 英文摘要: |
| LDPE and LLDPE were used as basic materials and nano-Mg(OH)-2 was added into them to prepared fire-retardant systems. The molding technological parameters and fire-retardant properties of the fire-retardant systems were studied. The result showed that when Mg(OH)-2 is added, the rotational speed of the screws increases; with the increase of Mg(OH)-2 content, the extruder pelletization temperature of materials gradually decreases; when the samples are molded, with the increase of Mg(OH)-2 content, the mold temperature slowly increases; when the addition of Mg(OH)-2 is more than 30%, the droplet phenomenon eliminates; and when the addition of Mg(OH)-2 is 50%, the fire-retardant level rise to FV-0. |
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