摘要
将废旧轻质GMT回收造粒得到的短玻纤增强聚丙烯(PP-GF)加入到阻燃PP复合材料(FRPP)中获得阻燃增强PP复合材料(FRPP-GF)。力学性能测试结果表明:PP-GF的加入能够提高阻燃PP复合材料的拉伸强度,但会使材料的冲击强度下降。锥形量热测试结果显示:添加30%PP-GF的阻燃PP复合材料与FRPP相比,热释放速率峰值(PHRR)、总放热量(THR)以及平均质量损失速率(AMLR)都相差不大,但是LOI值略有下降,同时无法通过垂直燃烧UL94测试。
Short glass fiber reinforced PP （PP-GF） was obtained from recycled light-weight GMT by double screw extrusion granulation technology. It was introduced into flame retardant PP composite（FRPP） to form reinforced FRPP（ FRPP- GF）. The test results of mechanical properties showed that the addition of PP-GF increased the tensile strength of FRPP-GF, but made the impact strength slightly decreased. Cone calorimeter test results showed that the addition of 30 % PP-GF did not appreciably changed the peak heat release rate （PHRR） , total heat release （THR） and average mass loss rate （AMLR） of FRPP-GF composite. However,FRPP-GF had lower LOI value and failed in UL94 vertical burning test.
出处
《塑料》
CAS
CSCD
北大核心
2014年第4期21-24,共4页
Plastics
关键词
轻质GMT
回收
聚丙烯复合材料
增强
阻燃
light-weight GMT
recycle
PP composite
reinforced
flame retardant
