CN103214841A - 聚丙烯改性的聚酰胺复合材料的制备方法 - Google Patents

聚丙烯改性的聚酰胺复合材料的制备方法 Download PDF

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CN103214841A
CN103214841A CN2013101347626A CN201310134762A CN103214841A CN 103214841 A CN103214841 A CN 103214841A CN 2013101347626 A CN2013101347626 A CN 2013101347626A CN 201310134762 A CN201310134762 A CN 201310134762A CN 103214841 A CN103214841 A CN 103214841A
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周洪保
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Changshu Kangbao Medical Appliance Factory
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0022Combinations of extrusion moulding with other shaping operations combined with cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

一种聚丙烯改性的聚酰胺复合材料的制备方法,属于高分子材料制备技术领域。先将聚酰胺66树脂25~31份、聚丙烯树脂4~8份、增韧剂2.3~3.6份、相容剂2.1~4份、填料7~13份、玻璃微珠2~3份、抗氧剂0.3~0.8份和炭黑1.2~2.3份投入高速混合机中混合;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到成品,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、五区温度235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。制备的聚丙烯改性的聚酰胺复合材料经测试具有如下的性能指标:拉伸强度112~130MPa,弯曲强度170~200MPa悬臂梁缺口冲击强度12~15kj/m2

Description

聚丙烯改性的聚酰胺复合材料的制备方法
技术领域
本发明属于高分子材料制备技术领域,具体涉及一种聚丙烯改性的聚酰胺复合材料的制备方法。
背景技术
聚酰胺是一类应用最广的工程塑料材料,广泛用于汽车、电器、建筑等领域。但是聚酰胺分子链中含酰胺基团,属于极性,容易吸潮,导致在潮湿环境中容易失效。聚丙烯分子是有碳氢组成的,极性小,对水分具有排斥作用。于是利用聚丙烯这一特点,对聚酰胺树脂进行改性,解决材料吸潮的问题具有积极意义。
发明内容
本发明的任务是要提供一种聚丙烯改性的聚酰胺复合材料的制备方法,由该方法制备的聚酰胺复合材料具有强度高和吸水率低的长处。
本发明的任务是这样来完成的,一种聚丙烯改性的聚酰胺复合材料的制备方法,其是先将按重量份数称取的聚酰胺66树脂25~31份、聚丙烯树脂4~8份、增韧剂2.3~3.6份、相容剂2.1~4份、填料7~13份、玻璃微珠2~3份、抗氧剂0.3~0.8份和炭黑1.2~2.3份投入高速混合机中并且在转速为400-420n/min的速度下混合18min,得到混合料;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到聚丙烯改性的聚酰胺复合材料,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、 五区温度 235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。
在本发明的一个实施例中,所述的聚酰胺66树脂是指熔点在210℃以上,特性黏度指数为2.4 的聚酰胺66树脂。
在本发明的另一个实施例中,所述的聚丙烯树脂为共聚聚丙烯树脂,熔点160℃。
在本发明的又一个实施例中,所述的增韧剂为高抗冲击聚苯乙烯。
在本发明的再一个实施例中,所述的相容剂为马来酸杆接枝的聚丙烯。
在本发明的还有一个实施例中,所述的填料为纳米碳酸钙。
在本发明的更而一个实施例中,所述的玻璃微珠为空心玻璃微珠。
在本发明的进而一个实施例中,所述的抗氧剂为亚磷酸三(2·4-二叔丁基苯基)酯。
在本发明的又更而一个实施例中,所述的炭黑为炉法炭黑。
本发明方法制备的聚丙烯改性的聚酰胺复合材料经测试具有如下的性能指标:拉伸强度112~130MPa,弯曲强度170~200MPa悬臂梁缺口冲击强度12~15kj/m2
具体实施方式
实施例1:
首先将按重量份数称取的熔点在210℃以上的并且特性黏度指数为2.4的聚酰胺66树脂31份、熔点160℃的共聚聚丙烯树脂4份、高抗冲击聚苯乙烯3份、由马来酸酐接枝的聚丙烯2.1份、纳米碳酸钙10份、空心玻璃微珠2份、亚磷酸三(2·4-二叔丁基苯基)酯0.5份和炉法生产的炭黑2.3份投入高速混合机中并且在转速为400n/min的速度下混合18min,得到混合料;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到聚丙烯改性的聚酰胺复合材料,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、 五区温度 235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。
实施例2:
首先将按重量份数称取的熔点在210℃以上的并且特性黏度指数为2.4的聚酰胺66树脂25份、熔点160℃的共聚聚丙烯树脂5份、高抗冲击聚苯乙烯3.6份、由马来酸酐接枝的聚丙烯4份、纳米碳酸钙13份、空心玻璃微珠3份、亚磷酸三(2·4-二叔丁基苯基)酯0.3份和炉法生产的炭黑1.2份投入高速混合机中并且在转速为420n/min的速度下混合18min,得到混合料;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到聚丙烯改性的聚酰胺复合材料,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、 五区温度 235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。
实施例3:
首先将按重量份数称取的熔点在210℃以上的并且特性黏度指数为2.4的聚酰胺66树脂27份、熔点160℃的共聚聚丙烯树脂8份、高抗冲击聚苯乙烯2.3份、由马来酸酐接枝的聚丙烯2.5份、纳米碳酸钙9份、空心玻璃微珠2.4份、亚磷酸三(2·4-二叔丁基苯基)酯0.8份和炉法生产的炭黑1.6份投入高速混合机中并且在转速为415n/min的速度下混合18min,得到混合料;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到聚丙烯改性的聚酰胺复合材料,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、 五区温度 235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。
实施例4:
首先将按重量份数称取的熔点在210℃以上的并且特性黏度指数为2.4的聚酰胺66树脂29份、熔点160℃的共聚聚丙烯树脂7份、高抗冲击聚苯乙烯2.8份、由马来酸酐接枝的聚丙烯3份、纳米碳酸钙7份、空心玻璃微珠2.7份、亚磷酸三(2·4-二叔丁基苯基)酯0.6份和炉法生产的炭黑2份投入高速混合机中并且在转速为410n/min的速度下混合18min,得到混合料;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到聚丙烯改性的聚酰胺复合材料,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、 五区温度 235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。
由上述实施例1至4得到的聚丙烯改性的聚酰胺复合材料经测试具有如下技术效果:
测试项目 实施例1 实施例2 实施例3 实施例4
拉伸强度MPa 112 117 124 128
弯曲强度MPa 171 178 185 197
悬臂梁缺口冲击强度kj/m2 12.1 12.8 13.6 14.8

Claims (9)

1.一种聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于其是先将按重量份数称取的聚酰胺66树脂25~31份、聚丙烯树脂4~8份、增韧剂2.3~3.6份、相容剂2.1~4份、填料7~13份、玻璃微珠2~3份、抗氧剂0.3~0.8份和炭黑1.2~2.3份投入高速混合机中并且在转速为400-420n/min的速度下混合18min,得到混合料;再将混合料投入并行双螺杆挤出机中熔融挤出,经切粒、干燥和包装后得到聚丙烯改性的聚酰胺复合材料,其中:并行双螺杆挤出机的螺杆温度自一区至十区分别控制为:一区温度220℃、二区温度225℃、三区温度235℃、四区温度235℃、 五区温度 235℃、六区温度235℃、七区温度235℃、八区温度235℃、九区温度235℃、十区温度235℃。
2.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的聚酰胺66树脂是指熔点在210℃以上,特性黏度指数为2.4 的聚酰胺66树脂。
3.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的聚丙烯树脂为共聚聚丙烯树脂,熔点160℃。
4.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的增韧剂为高抗冲击聚苯乙烯。
5.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的相容剂为马来酸杆接枝的聚丙烯。
6.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的填料为纳米碳酸钙。
7.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的玻璃微珠为空心玻璃微珠。
8.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的抗氧剂为亚磷酸三(2·4-二叔丁基苯基)酯。
9.根据权利要求1所述的聚丙烯改性的聚酰胺复合材料的制备方法,其特征在于所述的炭黑为炉法炭黑。
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CN101831110A (zh) * 2010-04-23 2010-09-15 深圳市科聚新材料有限公司 一种可高频焊接的聚丙烯复合材料及其制备方法
CN102993736A (zh) * 2012-08-22 2013-03-27 常熟市筑紫机械有限公司 无卤阻燃的尼龙610与聚丙烯合金复合材料

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CN107201029A (zh) * 2017-05-27 2017-09-26 巢湖市强力渔业有限责任公司 一种高强度的渔网
CN109265993A (zh) * 2018-09-21 2019-01-25 上海金发科技发展有限公司 一种具有高介电强度的组合物及其制备方法
CN112608593A (zh) * 2020-11-16 2021-04-06 天津渤化永利化工股份有限公司 一种聚酰胺66三元合金防腐树脂及其制备方法

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