CN103265803B - 无卤阻燃型通信柜用聚碳酸酯组合物及其制备方法 - Google Patents

无卤阻燃型通信柜用聚碳酸酯组合物及其制备方法 Download PDF

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CN103265803B
CN103265803B CN201310225842.2A CN201310225842A CN103265803B CN 103265803 B CN103265803 B CN 103265803B CN 201310225842 A CN201310225842 A CN 201310225842A CN 103265803 B CN103265803 B CN 103265803B
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许第修
段海斌
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Guangdong xingshengdi Technology 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

本发明属于高分子材料技术领域,特别涉及一种无卤阻燃型通信柜用聚碳酸酯组合物及其制备方法。所述组合物按照重量份计组成如下:聚碳酸酯80‑100份,阻燃剂1‑20份、增韧剂1‑15份,流动剂0.5‑5份、抗氧剂0.5‑5份。本发明的无卤阻燃型通信柜用聚碳酸酯组合物阻燃性能好,能达到UL94‑V0级别;提供的制备方法简单,成本低,对设备要求低。

Description

无卤阻燃型通信柜用聚碳酸酯组合物及其制备方法
技术领域
本发明属于高分子材料技术领域,特别涉及一种无卤阻燃型通信柜用聚碳酸酯组合物及其制备方法。
背景技术
传统的通信柜,主要采用金属制成,金属通信柜质量重,加工工艺复杂且成本较高。随着材料工业的不断发展,通过对聚碳酸酯(简称PC)作为主料进行改性后,组合树脂用于制造通信柜,不仅质量轻,加工容易且成本低廉。但目前通信柜用聚碳酸酯组合物具有加工性能较差、流动性较差的缺点,最重要的是实践中对于聚碳酸酯组合物的阻燃性能提出了更高的要求。
发明内容
本发明的目的在于提供一种无卤阻燃型通信柜用聚碳酸酯组合物及其制备方法。
本发明采用的技术方案如下:
无卤阻燃型通信柜用聚碳酸酯组合物,按照重量份计,所述组合物组成如下:
聚碳酸酯80-100份,阻燃剂1-20份、增韧剂1-15份,流动剂0.5-5份、抗氧剂0.5-5份。
优选的,所述组合物的重量份组成如下:
聚碳酸酯85份,阻燃剂1-10份、增韧剂1-10份,流动剂0.5-3份、抗氧剂0.5-3份。
所述阻燃剂优选自十溴二苯醚、十溴二苯乙烷、磷酸三苯酯、磷酸三甲苯酯、双酚A-双(二苯基磷酸酯)中的至少一种。
所述增韧剂优选自乙烯辛烯共聚物、乙烯丁烯共聚物、乙烯丙烯共聚物或苯乙烯丁二烯共聚物中的至少一种。
所述流动剂优选自PE蜡、乙撑双硬脂酰胺、季戊四醇硬脂酸酯中的至少一种。
所述抗氧剂优选自4,4’-硫代双(6-叔丁基-3-甲基苯酚)、β-(3,5-三级丁基-4-羟基苯基)丙酸十八碳醇酯、亚磷酸三酯(2,4-二叔丁基苯基)、双(2.4—二叔丁基苯基)季戊四醇二亚磷酸酯、四(β-(3,5二叔丁基-4-羟基苯基)丙酸)季戊四醇酯。
本发明所述组分均可以在市面上购买得到,且采用普通市售品即可。
本发明通过对组合物组分的调整,获得了一种无卤阻燃性能良好的通信柜用聚碳酸酯组合物,达到UL94-V0的标准,符合各国绿色环保的要求。此外,本发明聚碳酸酯组合物的加工成型性能较好,制品符合适用于复杂结构产品和薄壁型产品的要求,可避免产品出现开裂现象;产品的流动性能也得以改善。同时产品还兼备了良好的机械性能和尺寸稳定性,产品实现低成本的同时性能得以大大提高。
本发明还进一步提供了一种较好的无卤阻燃型通信柜用聚碳酸酯组合物的制备方法,方法如下:按如下重量份取各组分:聚碳酸酯80-100份,阻燃剂1-20份、增韧剂1-15份,流动剂0.5-5份、抗氧剂0.5-5份;然后将上述各组分混合均匀后挤出造粒即得无卤阻燃型通信柜用聚碳酸酯组合物。
优选的,组分的重量份如下:
聚碳酸酯85份,阻燃剂1-10份、增韧剂1-10份,流动剂0.5-3份、抗氧剂0.5-3份。
混合时可使用高速搅拌机搅拌。
优选的,挤出造粒时采用双螺杆挤出机,转速为400-500r/min。
所述双螺杆挤出机可使用但不限于使用75#双螺杆挤出机。
优选的,挤出机中各区温度如下:一区温度为265-275℃,二区温度为270-280℃,三区温度为270-280℃,四区温度为270-280℃,五区温度为265-275℃。
更为优选的,挤出机中各区温度如下:一区温度为270℃,二区温度为275℃,三区温度为275℃,四区温度为275℃,五区温度为270℃。
本发明相对于现有技术,有以下优点:
本发明的无卤阻燃型通信柜用聚碳酸酯组合物阻燃性能好,能达到UL94-V0级别;提供的制备方法简单,成本低,对设备要求低。
具体实施方式
以下以具体实施例来说明本发明的技术方案,但本发明的保护范围不限于此:
实施例1
无卤阻燃型通信柜用聚碳酸酯组合物,其重量份组成如下:
制备工艺如下:
将以上各组分用搅拌机混合均匀,然后采用双螺杆挤出机挤出造粒,挤出机转速为450r/min。
挤出机中各区温度如下:
一区温度为270℃,二区温度为275℃,三区温度为275℃,四区温度为275℃,五区温度为270℃。
获得的产品性能如下表1所示:
表1
实施例2
无卤阻燃型通信柜用聚碳酸酯组合物,其重量份组成如下:
制备工艺同实施例1,获得产品的性能如下表2所示:
表2
实施例3
无卤阻燃型通信柜用聚碳酸酯组合物,其重量份组成如下:
制备工艺同实施例1,获得产品的性能如下表3所示:
表3
实施例4-6
无卤阻燃型通信柜用聚碳酸酯组合物,其重量份组成如下表4中所示:
表4中各参数的测试标准、测试条件、单位皆同表1-3。
表4
制备工艺同实施例1,获得产品的性能见下表5:
表5
实施例4 实施例5 实施例6
拉伸强度 58 60 62
断裂伸长率 74 76 73
弯曲强度 84 85 83
弯曲模量 2100 2105 2110
悬臂梁缺口冲击强度 83 84 85
热变形温度 124 123 126
UL94阻燃级别 V0 V1 V1
对比例:
通信柜用聚碳酸酯组合物,其重量份组成如下:
制备工艺同实施例1,获得产品的性能如下表6所示:
表6
上述实施例为本发明优选的实施方式,但本发明的实施方式并不受上述实施例的限制,其他的任何未背离本发明所作的改变均应为等效的置换方式,都包含在本发明的保护范围之内。

Claims (7)

1.无卤阻燃型通信柜用聚碳酸酯组合物,其特征在于,按照重量份计,所述组合物组成如下:
聚碳酸酯80-100份,阻燃剂1-20份、增韧剂1-15份,流动剂0.5-5份、抗氧剂0.5-5份;所述阻燃剂为磷酸三苯酯、磷酸三甲苯酯或双酚A-双(二苯基磷酸酯);所述增韧剂为苯乙烯丁二烯共聚物;所述流动剂为季戊四醇硬脂酸酯。
2.如权利要求1所述的无卤阻燃型通信柜用聚碳酸酯组合物,其特征在于,所述组合物的重量份组成如下:
聚碳酸酯85份,阻燃剂1-10份、增韧剂1-10份,流动剂0.5-3份、抗氧剂0.5-3份。
3.如权利要求1或2所述的无卤阻燃型通信柜用聚碳酸酯组合物,其特征在于,所述抗氧剂选自4,4’- 硫代双(6- 叔丁基-3- 甲基苯酚)、β-(3,5-二叔丁基-4-羟基苯基)丙酸十八碳醇酯、亚磷酸三酯(2,4- 二叔丁基苯基) 、双(2,4—二叔丁基苯基)季戊四醇二亚磷酸酯、四(β-(3,5二叔丁基-4- 羟基苯基) 丙酸) 季戊四醇酯。
4.无卤阻燃型通信柜用聚碳酸酯组合物的制备方法,其特征在于,按如下重量份取各组分:聚碳酸酯80-100份,阻燃剂1-20份、增韧剂1-15份,流动剂0.5-5份、抗氧剂0.5-5份;所述阻燃剂为磷酸三苯酯、磷酸三甲苯酯或双酚A-双(二苯基磷酸酯);所述增韧剂为苯乙烯丁二烯共聚物;所述流动剂为季戊四醇硬脂酸酯。
然后将上述各组分混合均匀后挤出造粒即得无卤阻燃型通信柜用聚碳酸酯组合物。
5.如权利要求4所述的无卤阻燃型通信柜用聚碳酸酯组合物的制备方法,其特征在于,挤出造粒时采用双螺杆挤出机,转速为400-500r/min。
6.如权利要求5所述的无卤阻燃型通信柜用聚碳酸酯组合物的制备方法,其特征在于,挤出机中各区温度如下:一区温度为265-275℃,二区温度为270-280℃,三区温度为270-280℃,四区温度为270-280℃,五区温度为265-275℃。
7.如权利要求6所述的无卤阻燃型通信柜用聚碳酸酯组合物的制备方法,其特征在于,挤出机中各区温度如下:一区温度为270℃,二区温度为275℃,三区温度为275℃,四区温度为275℃,五区温度为270℃。
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CN103724962A (zh) * 2013-12-03 2014-04-16 深圳市兴盛迪新材料有限公司 耐候抗老化型聚碳酸酯与丙烯腈-苯乙烯-丙烯酸酯共聚物合金及其生产方法
CN103724963B (zh) * 2013-12-04 2017-08-04 深圳市兴盛迪新材料有限公司 一种户外用玻纤增强防霉抗菌聚碳酸树脂聚合物
CN105802184A (zh) * 2016-06-07 2016-07-27 东莞市宝化塑胶原料有限公司 高流动性高阻燃pc塑料粒子的生产配方

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CN102234415A (zh) * 2011-05-06 2011-11-09 深圳市兴迪塑胶有限公司 室内通信柜用聚碳酸酯树脂组合物及其制备方法
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CN102234415A (zh) * 2011-05-06 2011-11-09 深圳市兴迪塑胶有限公司 室内通信柜用聚碳酸酯树脂组合物及其制备方法
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