CN102732017A - 硫酸钙晶须填充的尼龙复合材料的制备方法 - Google Patents

硫酸钙晶须填充的尼龙复合材料的制备方法 Download PDF

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CN102732017A
CN102732017A CN2012101980065A CN201210198006A CN102732017A CN 102732017 A CN102732017 A CN 102732017A CN 2012101980065 A CN2012101980065 A CN 2012101980065A CN 201210198006 A CN201210198006 A CN 201210198006A CN 102732017 A CN102732017 A CN 102732017A
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calcium sulfate
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crystal whiskers
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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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    • 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
    • B29C2948/92704—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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

一种硫酸钙晶须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 66 树脂 270-300 份、尼龙 610 树脂 90-110 份、偶联剂 3-5 份和硫酸钙晶须 80-120 份投入混合机中混合，再投入按重量份数称取的抗氧剂 1.2-3 份和短切玻璃纤维 120-160 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，螺杆挤出机的各加温区的温度控制为：一区 220 ℃，二区 230 ℃，三区 240 ℃，四区 245 ℃，五区 250 ℃，六区 252 ℃，七区 256 ℃，八区 260 ℃，九区 265 ℃和十区 255 ℃，得到硫酸钙晶须填充的尼龙复合材料。优点：工艺简短，操作方便，具有良好的耐腐蚀和耐高温性。

Description

硫酸钙晶须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，具体涉及一种硫酸钙晶须填充的尼龙复合材料的制备方法。
背景技术
硫酸钙晶须具有场径比大，平均长径比超过80，并且具有耐高温、抗化学腐蚀、韧性好、强度高的特点。因此若择用合理的配方和工艺将硫酸钙晶须的这些特点与尼龙基体材料结合起来，制备耐腐蚀，耐高温的尼龙复合材料，则可以大大扩展尼龙材料用途，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操作简单、工艺环节少的硫酸钙晶须填充的尼龙复合材料的制备方法，并且由该方法得到的尼龙复合材料不仅具有良好的物理强度，而且具有理想的耐腐蚀和耐高温性。
本发明的任务是这样来完成的，一种硫酸钙晶须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66树脂270-300份、尼龙610树脂90-110份、偶联剂3-5份和硫酸钙晶须80-120份投入混合机中混合，再投入按重量份数称取的抗氧剂1.2-3份和短切玻璃纤维120-160份，继续混合，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，螺杆挤出机的各加温区的温度控制为：一区220℃，二区230℃，三区240℃，四区245℃，五区250℃，六区252℃，七区256℃，八区260℃，九区265℃和十区255℃，得到硫酸钙晶须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66树脂为熔点在220℃树脂。
在本发明的另一个实施例中，所述的尼龙610树脂为熔点210℃树脂。
在本发明的又一个实施例中，所述的偶联剂为乙烯基三（β甲氧乙氧基）硅烷。
在本发明的再一个实施例中，所述的硫酸钙晶须为经过表面处理的并且长度为1～4微米的硫酸钙晶须。
在本发明的还有一个实施例中，所述的抗氧剂为硫代二丙酸二月桂酯。
在本发明的更而一个实施例中，所述的短切玻璃纤维为长度3mm的无碱短切玻璃纤维。
在本发明的进而一个具体的实施例中，所述的混合的时间为10-16min，混合机的转速为800-1200n/min，所述的继续混合的时间为2-4min。
本发明提供的技术方案工艺简短，操作方便，得到的硫酸钙晶须填充的尼龙复合材料的拉伸强度大于150MPa，弯曲强度大于250MPa,悬臂梁缺口冲击强度大于20kj/m 2 , 熔融指数大于17g/10min，并且具有良好的耐腐蚀和耐高温性。
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220℃的树脂即尼龙66树脂270份、熔点在210℃的树脂即尼龙610树脂110份、偶联剂即乙烯基三（β甲氧乙氧基）硅烷4份和经过表面处理的并且长度为1～4μm的硫酸钙晶须80份投入混合机中混合10min，混合机的转速为1200n/min，再投入按重量份数称取的抗氧剂即硫代二丙酸二月桂酯1.2份和长度为3mm的无碱短切玻璃纤维130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，双螺杆挤出机的各加温区的温度控制为：一区220℃，二区230℃，三区240℃，四区245℃，五区250℃，六区252℃，七区256℃，八区260℃，九区265℃和十区255℃，得到硫酸钙晶须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220℃的树脂即尼龙66树脂290份、熔点在210℃的树脂即尼龙610树脂90份、偶联剂即乙烯基三（β甲氧乙氧基）硅烷3份和经过表面处理的并且长度为1～4μm的硫酸钙晶须90份投入混合机中混合13min，混合机的转速为1000n/min，再投入按重量份数称取的抗氧剂即硫代二丙酸二月桂酯3份和长度为3mm的无碱短切玻璃纤维120份，继续混合2min，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220℃的树脂即尼龙66树脂280份、熔点在210℃的树脂即尼龙610树脂95份、偶联剂即乙烯基三（β甲氧乙氧基）硅烷3.5份和经过表面处理的并且长度为1～4μm的硫酸钙晶须120份投入混合机中混合14min，混合机的转速为900n/min，再投入按重量份数称取的抗氧剂即硫代二丙酸二月桂酯2份和长度为3mm的无碱短切玻璃纤维160份，继续混合3min，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220℃的树脂即尼龙66树脂300份、熔点在210℃的树脂即尼龙610树脂100份、偶联剂即乙烯基三（β甲氧乙氧基）硅烷4.5份和经过表面处理的并且长度为1～4μm的硫酸钙晶须110份投入混合机中混合16min，混合机的转速为800n/min，再投入按重量份数称取的抗氧剂即硫代二丙酸二月桂酯2.5份和长度为3mm的无碱短切玻璃纤维140份，继续混合2min，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得到的硫酸钙晶须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 150 152 155 158
弯曲强度MPa 250 256 259 263
悬臂梁缺口冲击强度kj/m 2 20.0 20.5 20.8 21.2
熔融指数g/10min 17 17.2 17.5 17.8

Claims (8)

1.一种硫酸钙晶须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66树脂270-300份、尼龙610树脂90-110份、偶联剂3-5份和硫酸钙晶须80-120份投入混合机中混合，再投入按重量份数称取的抗氧剂1.2-3份和短切玻璃纤维120-160份，继续混合，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，螺杆挤出机的各加温区的温度控制为：一区220℃，二区230℃，三区240℃，四区245℃，五区250℃，六区252℃，七区256℃，八区260℃，九区265℃和十区255℃，得到硫酸钙晶须填充的尼龙复合材料。
2.根据权利要求1所述的硫酸钙晶须填充的尼龙复合材料的制备方法，其特征在于所述的尼龙66树脂为熔点在220℃树脂。
3.根据权利要求1所述的硫酸钙晶须填充的尼龙复合材料的制备方法，其特征在于所述的尼龙610树脂为熔点210℃树脂。
4.根据权利要求1所述的硫酸钙晶须填充的尼龙复合材料的制备方法，其特征在于所述的偶联剂为乙烯基三（β甲氧乙氧基）硅烷。
5.根据权利要求1所述的硫酸钙晶须填充的尼龙复合材料的制备方法，其特征在于所述的硫酸钙晶须为经过表面处理的并且长度为1～4微米的硫酸钙晶须。
6.根据权利要求1所述的硫酸钙晶须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为硫代二丙酸二月桂酯。
7.根据权利要求1所述的硫酸钙晶须填充的尼龙复合材料的制备方法，其特征在于所述的短切玻璃纤维为长度3mm的无碱短切玻璃纤维。
8.根据权利要求1所述的硫酸钙晶须填充的尼龙复合材料的制备方法，其特征在于所述的混合的时间为10-16min，混合机的转速为800-1200n/min，所述的继续混合的时间为2-4min。
CN2012101980065A 2012-06-15 2012-06-15 硫酸钙晶须填充的尼龙复合材料的制备方法 Pending CN102732017A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105017768A (zh) * 2015-06-26 2015-11-04 苏州云舒新材料科技有限公司 一种聚酰胺纤维复合材料及其制备工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102108204A (zh) * 2009-12-24 2011-06-29 合肥杰事杰新材料有限公司 一种断路器用塑式外壳材料及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102108204A (zh) * 2009-12-24 2011-06-29 合肥杰事杰新材料有限公司 一种断路器用塑式外壳材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105017768A (zh) * 2015-06-26 2015-11-04 苏州云舒新材料科技有限公司 一种聚酰胺纤维复合材料及其制备工艺

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Application publication date: 20121017