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CN102443259A - 一种生产机车电容器壳体的改性聚碳酸酯材料 - Google Patents

一种生产机车电容器壳体的改性聚碳酸酯材料 Download PDF

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Publication number
CN102443259A
CN102443259A CN2011104237046A CN201110423704A CN102443259A CN 102443259 A CN102443259 A CN 102443259A CN 2011104237046 A CN2011104237046 A CN 2011104237046A CN 201110423704 A CN201110423704 A CN 201110423704A CN 102443259 A CN102443259 A CN 102443259A
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parts
abs
drying
modified polycarbonate
locomotive capacitor
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CN102443259B (zh
Inventor
孔祥新
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Tongling Xintai Electric Apparatus And Capacitor Co ltd
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Tongling Xintai Electric Apparatus And Capacitor 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
    • B29C48/03—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
    • B29C48/92—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
    • B29C2948/92704—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
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

本发明涉及一种生产机车电容器壳体的改性聚碳酸酯材料，其组成原料的重量份如下：聚碳酸酯56-75份，ABS树脂15-25份，ABS-g-MAH相容剂2-4份，增韧剂MBS3-8份，阻燃剂KSS5-7份，环氧树脂0.1-0.5份，复合抗氧剂B2250.1-0.3份。用本发明材料加成出的机车电容器壳体具有重量轻，成本低，不易变形和抗电强度大的特点。

Description

一种生产机车电容器壳体的改性聚碳酸酯材料
技术领域
本发明涉及工程塑料领域，具体涉及一种生产机车电容器壳体的改性聚碳酸酯材料。
背景技术
目前用于动力机车上的电容器,其外壳外壳通常采用不锈钢或ABS工程塑料制成。前者壳体笨重，且成本高，易生锈，又极易产生壳体击穿和拉火现象，正逐渐被ABS材料所替代。而ABS材料壳体虽然重量轻，但是这种材料制成的壳体的壁厚必须在5cm以上，否侧抗变形温度低，易变形，但是壁太厚时，加工难度增大，生产时废品多，合格率低，增大了生产成本，同时ABS材料易吸水，导致电容器壳体绝缘性能降低，抗电强度下降。
发明内容
为了克服上述不足，本发明提供了一种生产机车电容器壳体的改性聚碳酸酯材料，采用本改性聚碳酸酯材料注塑而成的机车电容器壳体具有加工性能好，不易变形和抗电强度大的特点。
为实现上述目的本发明采用的技术方案如下：
一种生产机车电容器壳体的改性聚碳酸酯材料，其特征在于：其组成原料的重量份如下：
聚碳酸酯56-75份，ABS树脂15-25份，ABS-g-MAH相容剂2-4份，增韧剂MBS3-8份，阻燃剂KSS 5-7份，环氧树脂0.1-0.5份，复合抗氧剂B225 0.1-0.3份。 
所述的生产机车电容器壳体的改性聚碳酸酯材料，其特征在于：其组成原料的重量份如下：
聚碳酸酯70份，ABS树脂22份，ABS-g-MAH相容剂3份，增韧剂MBS 5份，阻燃剂KSS 6份，环氧树脂0.4份，复合抗氧剂B225 0.3份。 
所述的生产机车电容器壳体的改性聚碳酸酯材料的制备方法，其特征在于，具体包括以下步骤：
   （1）分别称取各原材料；
   （2）将称取的原材料按照配方比例混合均匀；
   （3）将混合料投入到干燥机里进行干燥，干燥温度为75-85℃，干燥时间为4-6小时；
   （4）将干燥好的混料投入双螺杆挤出机，挤出造粒，挤出机的机筒温度为210-270℃。
本发明的有益效果：
本发明的改性聚碳酸酯材料，具有兼有聚碳酸酯材料和ABS材料的双重特点，采用本改性聚碳酸酯材料注塑而成的机车电容器壳体具有加工性能好，不易变形和抗电强度大的特点。
具体实施方式
一种生产机车电容器壳体的改性聚碳酸酯材料，其组成原料的重量份如下：
聚碳酸酯70份，ABS树脂22份，ABS-g-MAH相容剂3份，增韧剂MBS 5份，阻燃剂KSS 6份，环氧树脂0.4份，复合抗氧剂B225 0.3份。 
生产机车电容器壳体的改性聚碳酸酯材料的制备方法，具体包括以下步骤：
   （1）分别称取各原材料；
   （2）将称取的原材料按照配方比例混合均匀；
   （3）将混合料投入到干燥机里进行干燥，干燥温度为80℃，干燥时间为6小时；
   （4）将干燥好的混料投入双螺杆挤出机，挤出造粒，挤出机的机筒温度为210-270℃。
实验数据
   本发明的改性聚碳酸酯材料和ABS材料的特性对比如下表：
性能 本发明的改性聚碳酸酯 ABS
抗拉强度 73-78mPa 40-55mPa
抗弯强度 105-120mPa 30-65mPa
缺口冲击韧度 70-82KJ/m2 15-35KJ/m2
吸水率 0.2-0.5% 1.1%
热变形温度 140-155 95
玻璃化温度 154 110
脆化温度 -102-130 -25
  由上表可以看出，改性聚碳酸酯的抗拉强度、抗弯强度、缺口冲击韧度都明显优于ABS材料，热变形温度和玻璃化温度高于ABS材料，吸水率低于ABS材料。
因此用本发明的改性聚碳酸酯材料加工 成的电容器壳体强度好，是ABS材料壳体2-3倍，不易变形，抗电强度大，可以使用的温度范围广，且加工性能好，尺寸稳定性好，没有缩壁现象，壳体的壁厚加工不受影响，可以按需要来增加壳体的壁厚，同时具有壳体重量轻，成本低的特点。

Claims (3)

1.一种生产机车电容器壳体的改性聚碳酸酯材料，其特征在于：其组成原料的重量份如下：
聚碳酸酯56-75份，ABS树脂15-25份，ABS-g-MAH相容剂2-4份，增韧剂MBS  3-8份，阻燃剂KSS 5-7份，环氧树脂0.1-0.5份，复合抗氧剂B225 0.1-0.3份。
2. 根据权利要求1所述的生产机车电容器壳体的改性聚碳酯材料，其特征在于：其组成原料的重量份如下：
聚碳酸酯70份，ABS树脂22份，ABS-g-MAH相容剂3份，增韧剂MBS 5份，阻燃剂KSS 6份，环氧树脂0.4份，复合抗氧剂B225 0.3份。
3.如权利要求1所述的生产机车电容器壳体的改性聚碳酸酯材料的制备方法，其特征在于，具体包括以下步骤：
   （1）分别称取各原材料；
   （2）将称取的原材料按照配方比例混合均匀；
   （3）将混合料投入到干燥机里进行干燥，干燥温度为75-85℃，干燥时间为4-6小时；
   （4）将干燥好的混料投入双螺杆挤出机，挤出造粒，挤出机的机筒温度为210-270℃。
CN2011104237046A 2011-12-17 2011-12-17 一种生产机车电容器壳体的改性聚碳酸酯材料 Expired - Fee Related CN102443259B (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109206878A (zh) * 2018-07-27 2019-01-15 会通新材料股份有限公司 一种家电用防形变聚碳酸酯复合材料及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789332A (zh) * 2005-12-20 2006-06-21 苏州市凯米克新材料有限公司 高性能阻燃聚合物pc/abs合金
CN101113235A (zh) * 2006-07-28 2008-01-30 佛山市顺德区汉达精密电子科技有限公司 Pc/abs改性合金
CN101230188A (zh) * 2007-01-26 2008-07-30 佛山市顺德区汉达精密电子科技有限公司 聚碳酸酯/丙烯腈-丁二烯-苯乙烯共聚物合金

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1789332A (zh) * 2005-12-20 2006-06-21 苏州市凯米克新材料有限公司 高性能阻燃聚合物pc/abs合金
CN101113235A (zh) * 2006-07-28 2008-01-30 佛山市顺德区汉达精密电子科技有限公司 Pc/abs改性合金
CN101230188A (zh) * 2007-01-26 2008-07-30 佛山市顺德区汉达精密电子科技有限公司 聚碳酸酯/丙烯腈-丁二烯-苯乙烯共聚物合金

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109206878A (zh) * 2018-07-27 2019-01-15 会通新材料股份有限公司 一种家电用防形变聚碳酸酯复合材料及其制备方法

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