CN103194033A - 一种可应用于铅酸蓄电池外壳的共混改性树脂及其制备方法 - Google Patents

一种可应用于铅酸蓄电池外壳的共混改性树脂及其制备方法 Download PDF

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CN103194033A
CN103194033A CN2013101175403A CN201310117540A CN103194033A CN 103194033 A CN103194033 A CN 103194033A CN 2013101175403 A CN2013101175403 A CN 2013101175403A CN 201310117540 A CN201310117540 A CN 201310117540A CN 103194033 A CN103194033 A CN 103194033A
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周建利
陈彦国
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YANTAI CITY YOULI PLASTIC CO Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means 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
    • B29C48/40—Means 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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Abstract

本发明提供了一种可应用于铅酸蓄电池外壳的共混改性树脂，由下列重量配比的原料制成：ABS树脂60-80%，PC树脂20-30%，EVA共聚物5-10%，相容剂2-10%。本发明采用ABS和马来酸酐的接枝共聚物为相容剂，将ABS、PC和韧性强的EVA三种聚合物进行共混，得到的混合树脂既有PC的高强度和阻燃性，又有ABS良好的加工性能和EVA良好的韧性，具有较高的强度、尺寸稳定性、耐化学腐蚀性和较好的加工性，非常适合作为铅酸蓄电池外壳材料。

Description

一种可应用于铅酸蓄电池外壳的共混改性树脂及其制备方法
技术领域
本发明属于高分子材料技术领域，具体地说涉及一种可应用于铅酸蓄电池外壳的共混改性树脂及其制备方法。
背景技术
铅酸蓄电池是一种产量大、用途广的化学电源，广泛应用于通信、汽车、储能等各种领域。由于铅酸蓄电池壳体要求耐酸碱、高强度和较好的可加工性，通常通信用铅酸蓄电池都以ABS树脂为基础原料。ABS树脂具有较高的机械强度和良好的加工性，但其阻燃性较差，所以铅酸蓄电池外壳应用的ABS树脂大都经过阻燃改性，而在改性后其强度一般难为满足要求，还需要进行增强和增韧改性。单独使用ABS树脂阻燃性和强度较差，单独使用PC虽然机械强度和耐冲击强度高，但成本高且加工性能差，易产生内应力。
发明内容
本发明为了解决上述问题而提供了一种可应用于铅酸蓄电池外壳的共混改性树脂及其制备方法。
本发明的技术方案是这样实现的：一种可应用于铅酸蓄电池外壳的共混改性树脂，由下列重量配比的原料制成：ABS树脂60-80%，PC树脂20-30%，EVA共聚物5-10%，相容剂2-10%；
一种可应用于铅酸蓄电池外壳的共混改性树脂的制备方法，包括以下步骤：
（1）、将上述原料按重量比称取； 
（2）、 将原料混合均匀后送入双螺杆挤出机，经过六区反应成型，一区温度设定为220-230℃，二区温度设定为230-240℃，三区温度设定为240-250℃，四区温度设定为240-260℃，五区温度设定为240-260℃，六区温度设定为230-250℃，全过程持续时间为1-2分钟，主机转速设定为120-380转/分钟，压力设定为15-18兆帕；
（3）、出料后冷却、干燥、切粒；
所述的相容剂为ABS与马来酸酐的接枝共聚物；
所述的ABS树脂中丙烯腈含量30-60%，丁二烯含量20-50%，苯乙烯含量20-50%，可为乳液聚合和本体聚合树脂；
所述的PC树脂为分子量为10000-30000的双酚A型聚碳酸酯树脂；
所述的EVA共聚物的分子量为1000-3000。
本发明的有益效果是：本发明采用ABS和马来酸酐的接枝共聚物为相容剂，将ABS、PC和韧性强的EVA三种聚合物进行共混，得到的混合树脂既有PC的高强度和阻燃性，又有ABS良好的加工性能和EVA良好的韧性，具有较高的强度、尺寸稳定性、耐化学腐蚀性和较好的加工性，非常适合作为铅酸蓄电池外壳材料。
具体实施方式
    实施例1：称取PC树脂27千克，ABS树脂60千克，EVA共聚物7千克，相容剂6千克，在不锈钢混合机上将所称取的物料混合均匀，之后在双螺杆挤出机生产，加工条件为：一区温度225℃,二区温度230℃，三区温度245℃，四区温度245℃，，五区温度250℃，六区温度240℃；停留时间1分钟，主机转速280转每分钟，压力为16MPa，出料后冷却、干燥、切粒。
  实施例2：称取PC树脂24千克，ABS树脂65千克，EVA共聚物6千克，相容剂5千克，在不锈钢混合机上将所称取的物料混合均匀，之后在双螺旋挤出机生产，加工条件为：一区温度225℃，二区温度230℃，三区温度245℃，四区温度245℃，，五区温度250℃，六区温度240℃；停留时间2分钟，主机转速290转每分钟，压力为16MPa，出料后冷却、干燥、切粒。
实施例3：称取PC树脂21千克，ABS树脂70千克，EVA共聚物6千克，相容剂3千克，在不锈钢混合机上将所称取的物料混合均匀，之后在双螺杆挤出机生产，加工条件为：一区温度230℃，二区温度230℃，三区温度245℃，四区温度245℃，，五区温度250℃，六区温度240℃；停留时间1分钟，主机转速280转每分钟，压力为16MPa，出料后冷却、干燥、切粒。
下面对三个实施例进行缺口冲击强度、拉伸强度、低温冲击性能、耐腐蚀性能进行测试：
缺口冲击强度按照GB/T  1043-1993执行，选用A型缺口试样，所选摆锤为2.75J，测试设备为北京金盛鑫检测仪器有限公司生产的XJUD-5.5J电子悬臂梁冲击试验机；
拉伸强度按照GB/T 1040-1992执行，选用Ⅰ型试样，所选拉伸速度为10mm/min，测试设备为北京金盛鑫检测仪器有限公司生产的WWW-10KN电子万能试验机；
蓄电池外壳低温冲击性能参照GB/T 23754-2009执行，测试选用钢球质量为2千克，高度为1.3米；
蓄电池外壳耐腐蚀性能按照GB/T 23754-2009执行。
实施例测试结果
Figure 2013101175403100002DEST_PATH_IMAGE001
在GB/T 23754-2009铅酸蓄电池槽标准中，对于低温耐冲击性要求冲击钢球质量为1千克，最大高度为900毫米；常温耐冲击性要求冲击钢球质量为1千克，最大高度为1000毫米，耐腐蚀性的质量变化率≤1.0%。
从表中可以看出，PC/ABS/EVA三者混合改性树脂具有较好的冲击性能和拉伸性能，适合于蓄电池外壳低温耐冲击性与耐腐蚀性的要求。

Claims (6)

1.一种可应用于铅酸蓄电池外壳的共混改性树脂，其特征是由下列重量配比的原料制成：ABS树脂60-80%，PC树脂20-30%，EVA共聚物5-10%，相容剂2-10%。
2.一种可应用于铅酸蓄电池外壳的共混改性树脂的制备方法，其特征是包括以下步骤：
（1）、将上述原料按重量比称取；
（2）、 将原料混合均匀后送入双螺杆挤出机，经过六区反应成型，一区温度设定为220-230℃，二区温度设定为230-240℃，三区温度设定为240-250℃，四区温度设定为240-260℃，五区温度设定为240-260℃，六区温度设定为230-250℃，全过程持续时间为1-2分钟，主机转速120-380转/分钟，压力为15-18兆帕；
（3）、出料后冷却、干燥、切粒。
3.根据权利要求1所述的一种可应用于铅酸蓄电池外壳的共混改性树脂，其特征是所述的相容剂为ABS与马来酸酐的接枝共聚物。
4.根据权利要求1所述的一种可应用于铅酸蓄电池外壳的共混改性树脂，其特征是所述的ABS树脂中丙烯腈含量30-60%，丁二烯含量20-50%，苯乙烯含量20-50%，可为乳液聚合和本体聚合树脂。
5.根据权利要求1所述的一种可应用于铅酸蓄电池外壳的共混改性树脂，其特征是所述的PC树脂为分子量为10000-30000的双酚A型聚碳酸酯树脂。
6.根据权利要求1所述的一种可应用于铅酸蓄电池外壳的共混改性树脂，其特征是所述的EVA共聚物的分子量为1000-3000。
CN2013101175403A 2013-04-07 2013-04-07 一种可应用于铅酸蓄电池外壳的共混改性树脂及其制备方法 Pending CN103194033A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871732A (zh) * 2014-03-06 2014-06-18 安徽麦特电子股份有限公司 一种电容器外壳
CN107204491A (zh) * 2017-05-19 2017-09-26 合肥尚强电气科技有限公司 一种可快速充电的蓄电池

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671470A (zh) * 2009-10-13 2010-03-17 青岛国恩科技发展有限公司 一种阻燃高韧性复合材料及制造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101671470A (zh) * 2009-10-13 2010-03-17 青岛国恩科技发展有限公司 一种阻燃高韧性复合材料及制造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871732A (zh) * 2014-03-06 2014-06-18 安徽麦特电子股份有限公司 一种电容器外壳
CN107204491A (zh) * 2017-05-19 2017-09-26 合肥尚强电气科技有限公司 一种可快速充电的蓄电池

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Application publication date: 20130710