CN103739943A - 一种改性塑料的制备方法 - Google Patents

一种改性塑料的制备方法 Download PDF

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CN103739943A
CN103739943A CN201310658689.2A CN201310658689A CN103739943A CN 103739943 A CN103739943 A CN 103739943A CN 201310658689 A CN201310658689 A CN 201310658689A CN 103739943 A CN103739943 A CN 103739943A
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temperature
parts
district
preparation
zone temperature
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王永旺
康建训
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NINGBO KANGSHI PLASTIC TECHNOLOGY Co Ltd
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NINGBO KANGSHI PLASTIC TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

本发明公开了一种改性塑料的制备方法，包括：称取原料，于高速搅拌机中以800-1200转/分钟搅拌5-10分钟，待均匀后放出；所述原料包括下述重量份数的成分：聚丙烯65-75份，高密度聚乙烯9-12份，聚乙烯辛烯共弹性体4-9份，聚苯乙烯3-10份，低密度聚乙烯9-12份，防火阻燃剂1-3份；混合均匀后放出的物料加入双螺杆挤出机中，双螺杆挤出机的加工温度：一区温度190℃，二区温度为210℃，三区温度为230℃，四区温度为210℃，五区温度为215℃，六区温度为225℃，七区温度为235℃，八区温度为240℃，主机转速为300-400转/min；经过挤出后冷却牵条、风干切粒，即制备本发明所述的改性塑料。该方法制备的塑料综合性能良好。

Description

一种改性塑料的制备方法
技术领域
本发明涉及塑料制备的技术领域，具体地，本发明涉及一种改性塑料的制备方法。
背景技术
现有技术中的聚丙烯（PP）耐腐蚀性、刚性和透明度较好，但是这种塑料其耐热性、硬度和抗冲击性能较差。
发明内容
本发明所要解决的技术问题是提供一种一种改性塑料的制备方法，该方法制备的塑料综合性能良好，其不仅具有良好的耐腐蚀性、透明度和刚性；具有良好的耐冲击性、耐热性和硬度；而且还具有防火阻燃性能。
本发明解决上述技术问题所采用的技术方案是：一种改性塑料的制备方法，所述方法包括：
步骤1），称取原料，于高速搅拌机中以800-1200转/分钟搅拌5-10分钟，待均匀后放出；所述原料包括下述重量份数的成分：聚丙烯65-75份，高密度聚乙烯9-12份，聚乙烯辛烯共弹性体4-9份，聚苯乙烯3-10份，低密度聚乙烯9-12份，防火阻燃剂1-3份；
步骤2），把所述步骤1）混合均匀后放出的物料加入双螺杆挤出机中，双螺杆挤出机的加工温度：一区温度190℃，二区温度为210℃，三区温度为230℃，四区温度为210℃，五区温度为215℃，六区温度为225℃，七区温度为235℃，八区温度为240℃，主机转速为300-400转/min；经过挤出后冷却牵条、风干切粒，即制备本发明所述的改性塑料。
所述步骤1）中，搅拌时间为8分钟。
所述步骤1）中，所述高速搅拌机转速为1000转/分钟。
所述步骤2）中，主机转速为320转/min。
本发明与现有技术相比，具有如下优点：本发明制备的改性塑料综合性能较好，其不仅具有良好的耐腐蚀性、透明度和刚性；具有良好的耐冲击性、耐热性和硬度；而且还具有防火阻燃性能。
具体实施方式
为了更好地理解本发明的内容，下面结合具体实施例作进一步说明。应理解，这些实施例仅用于对本发明进一步说明，而不用于限制本发明的范围。此外应理解，在阅读了本发明所述的内容后，该领域的技术人员对本发明作出一些非本质的改动或调整，仍属于本发明的保护范围。
实施例1
本实施例改性塑料由下述重量份数的原料制备：聚丙烯70份，高密度聚乙烯10份，聚乙烯辛烯共弹性体5份，聚苯乙烯4份，低密度聚乙烯9份，防火阻燃剂2份。
实施例2
本实施例改性塑料由下述重量份数的原料制备：聚丙烯68份，高密度聚乙烯9份，聚乙烯辛烯共弹性体6份，聚苯乙烯5份，低密度聚乙烯10份，防火阻燃剂3份。
实施例3
本实施例改性塑料由下述重量份数的原料制备：聚丙烯65份，高密度聚乙烯11份，聚乙烯辛烯共弹性体7份，聚苯乙烯7份，低密度聚乙烯9份，防火阻燃剂1份。
实施例4
本实施例改性塑料由下述重量份数的原料制备：聚丙烯69份，高密度聚乙烯9份，聚乙烯辛烯共弹性体5份，聚苯乙烯6份，低密度聚乙烯10份，防火阻燃剂1份。
实施例5
本实施例改性塑料由下述重量份数的原料制备：聚丙烯72份，高密度聚乙烯9份，聚乙烯辛烯共弹性体4份，聚苯乙烯3份，低密度聚乙烯9份，防火阻燃剂3份。
实施例1-实施例5中的原料均按照以下方法制备：按照上述的重量比例称取，于高速搅拌机中以1000转/分钟搅拌5-10分钟，待均匀后放出；把混合均勺的物料加入双螺杆挤出机中，双螺杆挤出机的加工温度：一区温度190℃，二区温度为210℃，三区温度为230℃，四区温度为210℃，五区温度为215℃，六区温度为225℃，七区温度为235℃，八区温度为240℃，主机转速为320转/min；经过挤出后冷却牵条、风干切粒，即制备本发明所述的改性塑料。
本发明改性塑料综合性能良好，其不仅具有良好的耐腐蚀性、透明度和刚性；具有良好的耐冲击性、耐热性和硬度；而且还具有防火阻燃性能。
如上所述，便可以较好地实现本发明。

Claims (4)

1.一种改性塑料的制备方法，其特征在于，所述方法包括：
步骤1），称取原料，于高速搅拌机中以800-1200转/分钟搅拌5-10分钟，待均匀后放出；所述原料包括下述重量份数的成分：聚丙烯65-75份，高密度聚乙烯9-12份，聚乙烯辛烯共弹性体4-9份，聚苯乙烯3-10份，低密度聚乙烯9-12份，防火阻燃剂1-3份；
步骤2），把所述步骤1）混合均匀后放出的物料加入双螺杆挤出机中，双螺杆挤出机的加工温度：一区温度190℃，二区温度为210℃，三区温度为230℃，四区温度为210℃，五区温度为215℃，六区温度为225℃，七区温度为235℃，八区温度为240℃，主机转速为300-400转/min；经过挤出后冷却牵条、风干切粒，即制备本发明所述的改性塑料。
2.根据权利要求1所述的改性塑料的制备方法，其特征在于，所述步骤1）中，搅拌时间为8分钟。
3.根据权利要求1所述的改性塑料的制备方法，其特征在于，所述步骤1）中，所述高速搅拌机转速为1000转/分钟。
4.根据权利要求1所述的改性塑料的制备方法，其特征在于，所述步骤2）中，主机转速为320转/min。
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CN102070839A (zh) * 2011-01-10 2011-05-25 广东华盛塑料有限公司 一种改性塑料
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* Cited by examiner, † Cited by third party
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JP2002226641A (ja) * 2001-01-31 2002-08-14 Sumitomo Bakelite Co Ltd 柔軟ノンハロゲン難燃性樹脂組成物とその応用製品
US20090093576A1 (en) * 2005-08-19 2009-04-09 Michael Ballot Appearance Propylene Polymer Composition
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