CN102964827A - 一种含有纳米粉体的高强度复配尼龙料 - Google Patents

一种含有纳米粉体的高强度复配尼龙料 Download PDF

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CN102964827A
CN102964827A CN2012104269643A CN201210426964A CN102964827A CN 102964827 A CN102964827 A CN 102964827A CN 2012104269643 A CN2012104269643 A CN 2012104269643A CN 201210426964 A CN201210426964 A CN 201210426964A CN 102964827 A CN102964827 A CN 102964827A
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Prior art keywords
powder
nylon material
modification
nylon
nano
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关建军
元妍妍
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BENGBU XINDA AUTOMOBILE ELECTRONIC Co Ltd
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BENGBU XINDA AUTOMOBILE ELECTRONIC Co Ltd
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Priority to CN2012104269643A priority Critical patent/CN102964827A/zh
Publication of CN102964827A publication Critical patent/CN102964827A/zh
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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
    • B29C2948/9258—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
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

本发明公开了一种含有纳米粉体的高强度复配尼龙料，其是由下述重量份的原料造粒制得：改性尼龙料40-42，PA66+30%GF 60-62。改性纳米粉体的添加可以很好的增强本发明的尺寸稳定性，与其余原料复合，所得产品质量稳定，提高了生产效率，降低了生产成本，同时强度高，耐高温性能优异。

Description

一种含有纳米粉体的高强度复配尼龙料
技术领域
    本发明涉及尼龙材料领域，确切地说是一种含有纳米粉体的高强度复配尼龙料。
背景技术
由于尼龙具有很多的特性，因此，在汽车、电气设备、机械部构、交通器材、纺织、造纸机械等方面得到广泛应用。
随着汽车的小型化、电子电气设备的高性能化、机械设备轻量化的进程加快，对尼龙的需求将更高更大。特别是尼龙作为结构性材料，对其强度、耐热性、耐寒性等方面提出了很高的要求。尼龙的固有缺点也是限制其应用的重要因素，特别是对于PA6、PA66两大品种来说，与PA46、PAl2等品种比具有很强的价格优势，虽某些性能不能满足相关行业发展的要求。因此，必须针对某一应用领域，通过改性，提高其某些性能，来扩大其应用领域。 由于PA强极性的特点，吸湿性强，尺寸稳定性差，但可以通过改性来改善。
发明内容
为了缓解现有技术的不足和缺陷，本发明的目的在于提供一种含有纳米粉体的高强度复配尼龙料。
上述目的通过以下方案实现：
一种含有纳米粉体的高强度复配尼龙料，其特征在于，其是由下述重量份的原料造粒制得：
改性尼龙料 40-42，PA66+30%GF  60-62；
所述的改性尼龙料由下述重量份的原料造粒制得：PA66+15%GF  70-71，聚四氟乙烯8-10，抗氧剂1010  ,0.1-0.4，抗氧剂1035  0.4-0.5，二苯胺0.1-0.2，改性纳米页岩粉3-5，聚己内酯 5-8，硅烷偶联剂KH550  1-1.5，硬脂酸钙1-1.5，聚乙烯蜡0.5-0.7；
所述的改性纳米页岩粉的制备方法为：
将页岩于700-800℃下烧损4-6小时，后磨粉，再用浓度为10-15%的氢氧化钠溶液浸泡4-6小时，再用去离子水洗涤至中性，烘干后，研磨成纳米粉末，再拌入相当于粉体重量3-5%的环氧亚麻籽油，搅拌均匀后，烘干，粉碎成粉末，即得。
所述的一种含有纳米粉体的高强度复配尼龙料，其特征在于，制造方法为：
（1）取制备改性尼龙料所需原料按照重量份置于高混机中混合5-8min，得到的混合物经主喂料口加入双螺杆挤出机中，控制加工温度在250-260℃，螺杆转数在400-500rpm，熔融后挤出造粒即得到改性尼龙料；
（2）按照重量份将改性尼龙料与PA66+30%GF 置于高混机中混合3-5min，得到的混合物经主喂料口加入双螺杆挤出机中，控制加工温度在260-270℃，螺杆转速在380-400rpm，熔融后挤出造粒即得到产品。
所述的尼龙PA66+30%GF指的是30%GF玻璃纤维增强的尼龙PA66。
PA66+15%GF指的是15%GF玻璃纤维增强的尼龙PA66。
本发明的有益效果为：
改性纳米粉体的添加可以很好的增强本发明的尺寸稳定性，与其余原料复合，所得产品质量稳定，提高了生产效率，降低了生产成本，同时强度高，耐高温性能优异。
具体实施方式
一种含有纳米粉体的高强度复配尼龙料，其是由下述重量份（kg）的原料造粒制得：
改性尼龙料 40，PA66+30%GF  61；
所述的改性尼龙料由下述重量份（kg）的原料造粒制得：PA66+15%GF  70，聚四氟乙烯10，抗氧剂1010  0.4，抗氧剂1035  0.5，二苯胺0.2，改性纳米页岩粉5，聚己内酯 8，硅烷偶联剂KH550  1.5，硬脂酸钙1.5，聚乙烯蜡0.7；
所述的改性纳米页岩粉的制备方法为：
将页岩于800℃下烧损6小时，后磨粉，再用浓度为15%的氢氧化钠溶液浸泡6小时，再用去离子水洗涤至中性，烘干后，研磨成纳米粉末，再拌入相当于粉体重量5%的环氧亚麻籽油，搅拌均匀后，烘干，粉碎成粉末，即得。
所述的一种含有纳米粉体的高强度复配尼龙料，制造方法为：
（1）取制备改性尼龙料所需原料按照重量份置于高混机中混合8min，得到的混合物经主喂料口加入双螺杆挤出机中，控制加工温度在260℃，螺杆转数在450rpm，熔融后挤出造粒即得到改性尼龙料；
（2）按照重量份将改性尼龙料与PA66+30%GF 置于高混机中混合5min，得到的混合物经主喂料口加入双螺杆挤出机中，控制加工温度在270℃，螺杆转速在380rpm，熔融后挤出造粒即得到产品。
  本实施例的性能检测：
试验项目 测试方法 测试数据
拉伸强度 ASTM D638 129 MPa
弯曲强度 ASTM D790 152MPa
缺口冲击强度（23℃） ASTM D256 92KJ/㎡
热变形温度 ASTM D648 221℃

Claims (2)

1.一种含有纳米粉体的高强度复配尼龙料，其特征在于，其是由下述重量份的原料造粒制得：
改性尼龙料 40-42，PA66+30%GF  60-62；
所述的改性尼龙料由下述重量份的原料造粒制得：PA66+15%GF  70-71，聚四氟乙烯8-10，抗氧剂1010  0.1-0.4，抗氧剂1035  0.4-0.5，二苯胺0.1-0.2，改性纳米页岩粉3-5，聚己内酯 5-8，硅烷偶联剂KH550  1-1.5，硬脂酸钙1-1.5，聚乙烯蜡0.5-0.7；
所述的改性纳米页岩粉的制备方法为：
将页岩于700-800℃下烧损4-6小时，后磨粉，再用浓度为10-15%的氢氧化钠溶液浸泡4-6小时，再用去离子水洗涤至中性，烘干后，研磨成纳米粉末，再拌入相当于粉体重量3-5%的环氧亚麻籽油，搅拌均匀后，烘干，粉碎成粉末，即得。
2.根据权利要求1所述的一种含有纳米粉体的高强度复配尼龙料，其特征在于，制造方法为：
（1）取制备改性尼龙料所需原料按照重量份置于高混机中混合5-8min，得到的混合物经主喂料口加入双螺杆挤出机中，控制加工温度在250-260℃，螺杆转数在400-500rpm，熔融后挤出造粒即得到改性尼龙料；
（2）按照重量份将改性尼龙料与PA66+30%GF 置于高混机中混合3-5min，得到的混合物经主喂料口加入双螺杆挤出机中，控制加工温度在260-270℃，螺杆转速在380-400rpm，熔融后挤出造粒即得到产品。
CN2012104269643A 2012-10-31 2012-10-31 一种含有纳米粉体的高强度复配尼龙料 Pending CN102964827A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546147A (en) * 1982-11-10 1985-10-08 Monsanto Company Compositions of nylon and elastomers
CN102627854A (zh) * 2012-04-27 2012-08-08 常熟市发东塑业有限公司 耐磨高强尼龙复合材料的制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546147A (en) * 1982-11-10 1985-10-08 Monsanto Company Compositions of nylon and elastomers
CN102627854A (zh) * 2012-04-27 2012-08-08 常熟市发东塑业有限公司 耐磨高强尼龙复合材料的制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵红梅等: "油母页岩粉体的结构改性及其应用", 《合成橡胶工业》, vol. 29, no. 1, 15 January 2006 (2006-01-15), pages 35 - 39 *

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Application publication date: 20130313