CN102634207B - 一种抗菌的无卤阻燃尼龙合金材料的制备方法 - Google Patents

一种抗菌的无卤阻燃尼龙合金材料的制备方法 Download PDF

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CN102634207B
CN102634207B CN2012101286454A CN201210128645A CN102634207B CN 102634207 B CN102634207 B CN 102634207B CN 2012101286454 A CN2012101286454 A CN 2012101286454A CN 201210128645 A CN201210128645 A CN 201210128645A CN 102634207 B CN102634207 B CN 102634207B
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叶法冬
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Changshu Yamei Mannequins 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
    • B29C48/25Component 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
    • 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
    • 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

Abstract

一种抗菌的无卤阻燃尼龙合金材料的制备方法,属于高分子材料制备技术领域。包括的步骤:按重量份数称取尼龙66树脂60-65份、尼龙1010树脂30-35份、橡胶20-30份、偶联剂0.8-1.6份和阻燃剂28-35份,投入高速混合机中混合,而后投入按重量份数称取的抗菌剂1.2-2份、抗氧剂0.4-0.9份、短切玻璃纤维45-50份和表面改性剂0.3-0.8份,继续混合,得到造粒料;将得到的造粒料投入并行双螺杆挤出机中熔融挤出,控制并行双螺杆挤出机的挤出温度,得到抗菌的无卤阻燃尼龙合金材料。优点:工艺步骤简短,拉伸强度大于145MPa,弯曲强度大于215MPa,悬臂梁缺口冲击强度大于32kj/m2,熔融指数大于22g/10min,阻燃性达到V-0(UL-94-1.6mm),抵抗细菌侵蚀。

Description

一种抗菌的无卤阻燃尼龙合金材料的制备方法
技术领域
本发明属于高分子材料制备技术领域,具体涉及一种抗菌的无卤阻燃尼龙合金材料的制备方法。
背景技术
为了对尼龙赋予阻燃功能,通常添加含卤素的阻燃剂,但是含有卤素的阻燃剂的尼龙在燃烧时容易释放出有毒有害的气体,特别是在火灾发生时,容易引发二次污染。因此,在制备尼龙材料时减少乃至避免使用卤素的阻燃剂于环保、于人体均有益。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抗菌的无卤阻燃尼龙合金材料的制备方法,该方法工艺流程简短,并且能使获得的尼龙合金材料具有优异的抗菌和阻燃效果而藉以体现绿色环保。
本发明的任务是这样来完成的,一种抗菌的无卤阻燃尼龙合金材料的制备方法,包括以下步骤:
A)制备造粒料,按重量份数称取尼龙66树脂60-65份、尼龙1010树脂30-35份、橡胶20-30份、偶联剂0.8-1.6份和阻燃剂28-35份,并且投入高速混合机中混合,而后投入按重量份数称取的抗菌剂1.2-2份、抗氧剂0.4-0.9份、短切玻璃纤维45-50份和表面改性剂0.3-0.8份,并且继续混合,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入并行双螺杆挤出机中熔融挤出,并且控制并行双螺杆挤出机的挤出温度,得到抗菌的无卤阻燃尼龙合金材料。
在本发明的一个具体的实施例中,所述的尼龙66树脂是指熔点在220℃的树脂;所述的尼龙1010树脂是指树脂熔点在230℃的树脂。
在本发明的另一个具体的实施例中,所述的橡胶是指丙烯腈-丁二烯-苯乙烯共聚物。
在本发明的又一个具体的实施例中,所述的偶联剂是指乙烯基三(β甲氧乙氧基)硅烷。
在本发明的再一个具体的实施例中,所述的阻燃剂是指三聚氰胺聚磷酸铵。
在本发明的还有一个具体的实施例中,所述的抗菌剂是指载银离子的塑料抗菌剂。
在本发明的更而一个具体的实施例中,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;所述的短切玻璃纤维是指长度为3mm的无碱短切玻璃纤维。
在本发明进而一个具体的实施例中,所述的表面改性剂是指双硬脂酸酰胺。
在本发明的又更而一个具体的实施例中,所述的混合的混合时间为8-11min;所述的继续混合的时间为4-7min。
在本发明的又进而一个具体的实施例中,所述的控制并行双螺杆挤出机的挤出温度是将温度控制为:一区240℃、二区至五区均为250℃和六区为245℃。
本发明提供的制备方法具有工艺步骤十分简短的长处,并且得到的抗菌的无卤阻燃尼龙合金材料经测试具有如下技术效果:拉伸强度大于145MPa,弯曲强度大于215MPa,悬臂梁缺口冲击强度大于32kj/m2,熔融指数大于22g/10min,阻燃性达到V-0(UL-94-1.6mm),抵抗细菌侵蚀。
具体实施方式
实施例1:
A)制备造粒料,按重量份数称取尼龙66树脂(熔点为220℃)60.2份、尼龙1010树脂(熔点为230℃)30.4份、丙烯腈-丁二烯-苯乙烯共聚物20.3份、乙烯基三(β甲氧乙氧基)硅烷0.8份和三聚氰胺聚磷酸铵28.1份,并且投入高速混合机中混合10min,而后投入按重量份数称取的载银离子的塑料抗菌剂1.2份、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45份和双硬脂酸酰胺0.4份,并且继续混合6min,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入并行双螺杆挤出机中熔融挤出,挤出温度为:一区240℃、二区至五区均为250℃和六区为245℃,得到抗菌的无卤阻燃尼龙合金材料。
实施例2:
A)制备造粒料,按重量份数称取尼龙66树脂(熔点为220℃)62.5份、尼龙1010树脂(熔点为230℃)33.2份、丙烯腈-丁二烯-苯乙烯共聚物25.2份、乙烯基三(β甲氧乙氧基)硅烷1.3份和三聚氰胺聚磷酸铵30.5份,并且投入高速混合机中混合8min,而后投入按重量份数称取的载银离子的塑料抗菌剂1.6份、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47.2份和双硬脂酸酰胺0.6份,并且继续混合7min,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入并行双螺杆挤出机中熔融挤出,挤出温度为:一区240℃、二区至五区均为250℃和六区为245℃,得到抗菌的无卤阻燃尼龙合金材料。
实施例3:
A)制备造粒料,按重量份数称取尼龙66树脂(熔点为220℃)64.2份、尼龙1010树脂(熔点为230℃)34.5份、丙烯腈-丁二烯-苯乙烯共聚物28.3份、乙烯基三(β甲氧乙氧基)硅烷1.4份和三聚氰胺聚磷酸铵33.2份,并且投入高速混合机中混合11min,而后投入按重量份数称取的载银离子的塑料抗菌剂1.8份、四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯0.7份、长度为3mm的无碱短切玻璃纤维48.8份和双硬脂酸酰胺0.8份,并且继续混合4min,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入并行双螺杆挤出机中熔融挤出,挤出温度为:一区240℃、二区至五区均为250℃和六区为245℃,得到抗菌的无卤阻燃尼龙合金材料。
实施例4:
A)制备造粒料,按重量份数称取尼龙66树脂(熔点为220℃)65份、尼龙1010树脂(熔点为230℃)35份、丙烯腈-丁二烯-苯乙烯共聚物29.8份、乙烯基三(β甲氧乙氧基)硅烷1.6份和三聚氰胺聚磷酸铵34.8份,并且投入高速混合机中混合9min,而后投入按重量份数称取的载银离子的塑料抗菌剂2.0份、四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯0.9份、长度为3mm的无碱短切玻璃纤维49.9份和双硬脂酸酰胺0.9份,并且继续混合5min,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入并行双螺杆挤出机中熔融挤出,挤出温度为:一区240℃、二区至五区均为250℃和六区为245℃,得到抗菌的无卤阻燃尼龙合金材料。
由上述实施例1至4得到的抗菌的无卤阻燃尼龙合金材料具有下表所示的技术效果。
Figure BDA0000158148390000031

Claims (9)

1.一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于包括以下步骤:
A)制备造粒料,按重量份数称取尼龙66树脂60-65份、尼龙1010树脂30-35份、橡胶20-30份、偶联剂0.8-1.6份和阻燃剂28-35份,并且投入高速混合机中混合,而后投入按重量份数称取的抗菌剂1.2-2份、抗氧剂0.4-0.9份、短切玻璃纤维45-50份和表面改性剂0.3-0.8份,并且继续混合,得到造粒料;
B)造粒,将由步骤A)得到的造粒料投入并行双螺杆挤出机中熔融挤出,并且控制并行双螺杆挤出机的挤出温度,得到抗菌的无卤阻燃尼龙合金材料,所述的阻燃剂是指三聚氰胺聚磷酸铵。
2.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的尼龙66树脂是指熔点在220℃的树脂;所述的尼龙1010树脂是指树脂熔点在230℃的树脂。
3.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的橡胶是指丙烯腈-丁二烯-苯乙烯共聚物。
4.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的偶联剂是指乙烯基三(β甲氧乙氧基)硅烷。
5.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的抗菌剂是指载银离子的塑料抗菌剂。
6.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,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;所述的短切玻璃纤维是指长度为3㎜的无碱短切玻璃纤维。
7.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的表面改性剂是指双硬脂酸酰胺。
8.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的混合的混合时间为8-11min;所述的继续混合的时间为4-7min。
9.根据权利要求1所述的一种抗菌的无卤阻燃尼龙合金材料的制备方法,其特征在于所述的控制并行双螺杆挤出机的挤出温度是将温度控制为:一区240℃、二区至五区均为250℃和六区为245℃
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