CN102732011A - 阻燃的碳化硅填充的尼龙复合材料的制备方法 - Google Patents

阻燃的碳化硅填充的尼龙复合材料的制备方法 Download PDF

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CN102732011A
CN102732011A CN2012101979937A CN201210197993A CN102732011A CN 102732011 A CN102732011 A CN 102732011A CN 2012101979937 A CN2012101979937 A CN 2012101979937A CN 201210197993 A CN201210197993 A CN 201210197993A CN 102732011 A CN102732011 A CN 102732011A
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陶渭清
沈兴元
颜卫峰
陶立强
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SUZHOU YUDU MEDICAL INSTRUMENT CO Ltd
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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
    • B29C48/03Extrusion 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

一种阻燃的碳化硅填充的尼龙复合材料的制备方法,属于高分子材料制备技术领域。步骤:先将按重量份数称取的尼龙 1010 树脂 60 67 份、尼龙 6 树脂 19 25 份、硅烷助剂 0.7 1.3 份、阻燃剂 8 17 份、碳化硅 11 18 份和间苯二酚四苯基二磷酸酯 6 11 份投入混合机中混合,再投入按重量份数称取的抗氧剂 0.3 0.6 份、玻璃纤维 30 38 份芥酸酰胺 0.3 0.8 份,继续混合,得到造粒料;将造粒料投入双螺杆挤出机中熔融挤出,设置螺杆各加温区温度,得到阻燃的碳化硅填充的尼龙复合材料。优点:能够满足制作用于建筑、机械和汽车行业用的零部件的要求。

Description

阻燃的碳化硅填充的尼龙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,具体涉及一种阻燃的碳化硅填充的尼龙复合材料的制备方法
背景技术
碳化硅作为一种耐热性和耐磨性均较佳的填充材料,广泛用于高端复合材料中。尼龙作为一类工程塑料,具有高强、耐磨、耐油和耐化学腐蚀的特点,被广泛用于汽车制造、电子电器、机械设备、航空航天、体育机械等领域。将碳化硅填充在尼龙材料中,可以改善尼龙材料的耐热和冲击性能而藉以应用于建筑、机械、汽车等领域,为此本申请人作了有益的尝试,下面将要介绍的技术方案便是基于该前提下产生的
发明内容
本发明的任务在于提供一种阻燃的碳化硅填充的尼龙复合材料的制备方法,由该方法得到的尼龙复合材料具有拔萃的机械性能和耐热以及耐冲击性而适合于制造诸如汽车、机械和建筑领域使用的零部件。
本发明的任务是这样来完成的,一种阻燃的碳化硅填充的尼龙复合材料的制备方法,包括以下步骤:
A)制备造粒料,先将按重量份数称取的尼龙1010树脂  60~67份、尼龙6树脂19~25份、硅烷助剂0.7~1.3份、阻燃剂8~17份、碳化硅     11~18份和间苯二酚四苯基二磷酸酯6~11份投入混合机中混合8min,混合机转速为1000n/min,再投入按重量份数称取的抗氧剂0.3~0.6份、玻璃纤维30~38份芥酸酰胺0.3~0.8份,继续混合4min,得到造粒料;
B)造粒,将造粒料投入双螺杆挤出机中熔融挤出,其中:螺杆各加温区温度设置分别为:一区温度230℃,二区温度235℃,三区温度235℃,四区温度240℃,五区温度240℃,六区温度245℃,七区温度245℃,八区温度245℃,九区温度250℃,十区温度240℃,得到阻燃的碳化硅填充的尼龙复合材料。
在本发明的一个实施例中,所述的尼龙1010树脂是指熔点在200℃的树脂。
在本发明的另一个实施例中,所述的尼龙6树脂是指熔点在225℃的树脂。
在本发明的又一个实施例中,所述的硅烷助剂是指N-β-(氨乙基)-γ-氨丙基三甲氧基硅烷。
在本发明的再一个实施例中,所述的阻燃剂是指十溴二苯乙烷。
在本发明的还有一个实施例中,所述的碳化硅是指长径比为150~180的碳化硅晶须。
在本发明的更而一个实施例中,所述的抗氧剂是指四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯。
在本发明的进而一个实施例中,所述的玻璃纤维是指长度为3mm的无碱短切玻璃纤维。
本发明提供的阻燃的碳化硅增强的尼龙复合材料的拉伸强度大于180MPa,弯曲强度大于263MPa,悬臂梁缺口冲击强度大于28kj/m 2 , 熔融指数大于19g/10min,热变形温度达到230℃,阻燃性达到V-0(UL-94-0.8mm),能够满足制作用于建筑、机械和汽车行业用的零部件的要求。
具体实施方式
实施例1:
A)制备造粒料,先将按重量份数称取的熔点在200℃的树脂即尼龙1010树脂60份、熔点在225℃的树脂即尼龙6树脂22份、硅烷助剂即N-β-(氨乙基)-γ-氨丙基三甲氧基硅烷0.7份、阻燃剂即十溴二苯乙烷12份、长径比为150-180的碳化硅晶须11份和间苯二酚四苯基二磷酸酯6份投入混合机中混合8min,混合机转速为1000n/min,再投入按重量份数称取的抗氧剂即四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯0.4份、长度为3mm的无碱短切玻璃纤维38份芥酸酰胺0.3份,继续混合4min,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入双螺杆挤出机中熔融挤出,其中:螺杆各加温区温度设置分别为:一区温度230℃,二区温度235℃,三区温度235℃,四区温度240℃,五区温度240℃,六区温度245℃,七区温度245℃,八区温度245℃,九区温度250℃,十区温度240℃,得到阻燃的碳化硅填充的尼龙复合材料。
实施例2:
A)制备造粒料,先将按重量份数称取的熔点在200℃的树脂即尼龙1010树脂62份、熔点在225℃的树脂即尼龙6树19份、硅烷助剂即N-β-(氨乙基)-γ-氨丙基三甲氧基硅烷0.9份、阻燃剂即十溴二苯乙烷8份、长径比为150-180的碳化硅晶须14份和间苯二酚四苯基二磷酸酯7份投入混合机中混合8min,混合机转速为1000n/min,再投入按重量份数称取的抗氧剂即四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯0.6份、长度为3mm的无碱短切玻璃纤维30份芥酸酰胺0.4份,继续混合4min,得到造粒料。其余均同对实施例1的描述。
实施例3:
A)制备造粒料,先将按重量份数称取的熔点在200℃的树脂即尼龙1010树脂67份、熔点在225℃的树脂即尼龙6树脂25份、硅烷助剂即N-β-(氨乙基)-γ-氨丙基三甲氧基硅烷1.3份、阻燃剂即十溴二苯乙烷14份、长径比为150-180的碳化硅晶须18份和间苯二酚四苯基二磷酸酯9份投入混合机中混合8min,混合机转速为1000n/min,再投入按重量份数称取的抗氧剂即四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯0.5份、长度为3mm的无碱短切玻璃纤维33份芥酸酰胺0.8份,继续混合4min,得到造粒料。其余均同对实施例1的描述。
实施例4:
A)制备造粒料,先将按重量份数称取的熔点在200℃的树脂即尼龙1010树脂64份、熔点在225℃的树脂即尼龙6树脂23份、硅烷助剂即N-β-(氨乙基)-γ-氨丙基三甲氧基硅烷1.1份、阻燃剂即十溴二苯乙烷17份、长径比为150-180的碳化硅晶须16份和间苯二酚四苯基二磷酸酯11份投入混合机中混合8min,混合机转速为1000n/min,再投入按重量份数称取的抗氧剂即四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯0.3份、长度为3mm的无碱短切玻璃纤维36份芥酸酰胺0.6份,继续混合4min,得到造粒料。其余均同对实施例1的描述。
由上述实施例1至4得到的阻燃的碳化硅填充的尼龙复合材料经测试具有下表所示的技术效果:
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 180 184 186 189
弯曲强度MPa 263 267 269 272
悬臂梁缺口冲击强度kj/m 2 28.0 28.4 28.6 28.9
熔融指数g/10min 19 19.4 19.7 20.1
热变形温度℃ 230 234 237 241
阻燃性(UL-94-0.8mm) V-0 V-0 V-0 V-0

Claims (8)

1.一种阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于包括以下步骤:
A)制备造粒料,先将按重量份数称取的尼龙1010树脂  60~67份、尼龙6树脂19~25份、硅烷助剂0.7~1.3份、阻燃剂8~17份、碳化硅     11~18份和间苯二酚四苯基二磷酸酯6~11份投入混合机中混合8min,混合机转速为1000n/min,再投入按重量份数称取的抗氧剂0.3~0.6份、玻璃纤维30~38份芥酸酰胺0.3~0.8份,继续混合4min,得到造粒料;
B)造粒,将造粒料投入双螺杆挤出机中熔融挤出,其中:螺杆各加温区温度设置分别为:一区温度230℃,二区温度235℃,三区温度235℃,四区温度240℃,五区温度240℃,六区温度245℃,七区温度245℃,八区温度245℃,九区温度250℃,十区温度240℃,得到阻燃的碳化硅填充的尼龙复合材料。
2.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的尼龙1010树脂是指熔点在200℃的树脂。
3.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的尼龙6树脂是指熔点在225℃的树脂。
4.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的硅烷助剂是指N-β-(氨乙基)-γ-氨丙基三甲氧基硅烷。
5.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的阻燃剂是指十溴二苯乙烷。
6.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的碳化硅是指长径比为150~180的碳化硅晶须。
7.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的抗氧剂是指四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯。
8.根据权利要求1所述的阻燃的碳化硅填充的尼龙复合材料的制备方法,其特征在于所述的玻璃纤维是指长度为3mm的无碱短切玻璃纤维
CN2012101979937A 2012-06-15 2012-06-15 阻燃的碳化硅填充的尼龙复合材料的制备方法 Pending CN102732011A (zh)

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