CN104788946A - 一种耐磨尼龙塑料及其制备方法 - Google Patents
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Abstract
本发明公开了一种耐磨尼龙塑料及其制备方法,该耐磨尼龙塑料,由包含以下重量份的组分制成:PA6 89-96份、无机填料10-18份、中性二壬基萘磺酸钡8-10份、油酸8-10份、硬脂酸钙6-9份、乙撑双硬脂酰胺2-3份和尿素0.5-1份。本发明还提供了一种耐磨尼龙塑料的制备方法。
Description
技术领域
本发明属于塑料材料领域,特别涉及一种耐磨尼龙塑料及其制备方法。
背景技术
尼龙,又名聚酰胺纤维,其基本组成物质是通过酰胺键—[NHCO]—连接起来的脂肪族聚酰胺。尼龙其制备组分主要分为两类,一类是由二胺和二酸缩聚而得到的聚己二酸己二胺,其长链分子的化学结构式为:H—[HN(CH2)XNHCO(CH2)YCO]—OH。另一类是由己内酰胺缩聚或开环聚合得到的,其长链分子的化学结构式为:H—[NH(CH2)XCO]—OH。根据其单元结构所含碳原子数目,可得到不同品种的命名。例如锦纶6(尼龙6),是由含6个碳原子的己内酰胺开环聚合而得。
随着社会技术飞速发展,新产品大量涌出,对涉及大幅降低摩擦系数的问题,需要自身耐磨性较强的零部件。尼龙被广泛应用于汽车、机械、包装、化工、电子和电器等领域,由于其力学性能、熔点较高、干摩擦时摩擦系数高,但不宜用作高速摩擦材料,因此限制了尼龙塑料在耐磨性产品中的应用。
发明内容
针对上述的需求,本发明特别提供了一种耐磨尼龙塑料及其制备方法。
本发明的目的可以通过以下技术方案实现:
一种耐磨尼龙塑料,由包含以下重量份的组分制成:
所述无机填料为三氧化二铝、玻璃微珠和氧化锌的混合物。
所述三氧化二铝、玻璃微珠和氧化锌的质量比为1-2:1:1。
一种耐磨尼龙塑料的制备方法,该方法包括以下步骤:
(1)称取89-96份PA6、油酸8-10份、硬脂酸钙6-9份、乙撑双硬脂酰胺2-3份和尿素0.5-1份,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的无机填料10-18份和中性二壬基萘磺酸钡8-10份,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
所述双螺杆挤出机的一区温度为190-220℃,二区温度为230-250℃,三区温度为250-270℃,四区温度为260-270℃,五区温度为220-240℃。
所述双螺杆挤出机的机头温度为240-250℃。
本发明与现有技术相比,其有益效果为:
(1)本发明制得的耐磨尼龙塑料,由于加入了中性二壬基萘磺酸钡、油酸、硬脂酸钙和乙撑双硬脂酰胺,因此具有耐高温、良好的力学性能的同时,具有良好的耐磨性能,同时本发明的尼龙塑料可长时间作为耐磨材料使用。
(2)本发明制得的耐磨尼龙塑料加入了尿素,使其在不同的使用环境中仍能保持良好的稳定性和耐候性。
(3)本发明的耐磨尼龙塑料,其制备方法简单,易于工业化生产。
具体实施方式
以下结合实施例对本发明作进一步的说明。
实施例1
(1)称取89kgPA6、油酸8kg、硬脂酸钙6kg、乙撑双硬脂酰胺2kg和尿素0.5kg,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的三氧化二铝5kg、玻璃微珠2.5kg、氧化锌2.5kg和中性二壬基萘磺酸钡8kg,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
所述双螺杆挤出机的一区温度为190℃,二区温度为230℃,三区温度为250℃,四区温度为260℃,五区温度为220℃,所述双螺杆挤出机的机头温度为240℃。
制得耐磨尼龙塑料的性能测试结果如表1所示。
实施例2
(1)称取89kgPA6、油酸10kg、硬脂酸钙9kg、乙撑双硬脂酰胺2kg和尿素0.5kg,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的三氧化二铝5kg、玻璃微珠2.5kg、氧化锌2.5kg和中性二壬基萘磺酸钡8kg,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
所述双螺杆挤出机的一区温度为190℃,二区温度为230℃,三区温度为250℃,四区温度为260℃,五区温度为220℃,所述双螺杆挤出机的机头温度为240℃。
制得耐磨尼龙塑料的性能测试结果如表1所示。
实施例3
(1)称取96kgPA6、油酸10kg、硬脂酸钙9kg、乙撑双硬脂酰胺3kg和尿素1kg,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的三氧化二铝6kg、玻璃微珠6kg氧化锌6kg和中性二壬基萘磺酸钡10kg,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
所述双螺杆挤出机的一区温度为220℃,二区温度为250℃,三区温度为270℃,四区温度为270℃,五区温度为240℃,所述双螺杆挤出机的机头温度为250℃。
制得耐磨尼龙塑料的性能测试结果如表1所示。
实施例4
(1)称取96kgPA6、油酸10kg、硬脂酸钙9kg、乙撑双硬脂酰胺3kg和尿素1kg,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的三氧化二铝6kg、玻璃微珠6kg氧化锌6kg和中性二壬基萘磺酸钡10kg,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
所述双螺杆挤出机的一区温度为220℃,二区温度为250℃,三区温度为270℃,四区温度为270℃,五区温度为240℃,所述双螺杆挤出机的机头温度为250℃。
制得耐磨尼龙塑料的性能测试结果如表1所示。
实施例5
(1)称取90kgPA6、油酸9kg、硬脂酸钙8kg、乙撑双硬脂酰胺2kg和尿素0.7kg,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的三氧化二铝5kg、玻璃微珠5kg、氧化锌5kg和中性二壬基萘磺酸钡10kg,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
所述双螺杆挤出机的一区温度为200℃,二区温度为240℃,三区温度为260℃,四区温度为265℃,五区温度为230℃,所述双螺杆挤出机的机头温度为245℃。
制得耐磨尼龙塑料的性能测试结果如表1所示。
表1
本发明不限于这里的实施例,本领域技术人员根据本发明的揭示,不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。
Claims (6)
1.一种耐磨尼龙塑料,其特征在于,由包含以下重量份的组分制成:
2.根据权利要求1所述耐磨尼龙塑料,其特征在于,所述无机填料为三氧化二铝、玻璃微珠和氧化锌的混合物。
3.根据权利要求2所述耐磨尼龙塑料,其特征在于,所述三氧化二铝、玻璃微珠和氧化锌的质量比为1-2:1:1。
4.一种耐磨尼龙塑料的制备方法,其特征在于,该方法包括以下步骤:
(1)称取89-96份PA6、油酸8-10份、硬脂酸钙6-9份、乙撑双硬脂酰胺2-3份和尿素0.5-1份,倒入到油脂捏合机中,捏合至均匀;
(2)在步骤1的产物中加入充分球磨的无机填料10-18份和中性二壬基萘磺酸钡8-10份,混合均匀;
(3)加入双螺杆挤出机中,挤出、拉条、冷却、切粒后,得到耐磨尼龙塑料。
5.根据权利要求4所述的耐磨尼龙塑料的制备方法,其特征在于,所述双螺杆挤出机的一区温度为190-220℃,二区温度为230-250℃,三区温度为250-270℃,四区温度为260-270℃,五区温度为220-240℃。
6.根据权利要求4所述的耐磨尼龙塑料的制备方法,其特征在于,所述双螺杆挤出机的机头温度为240-250℃。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102408704A (zh) * | 2011-09-05 | 2012-04-11 | 浙江俊尔新材料有限公司 | 聚酰胺复合材料及其制备方法和应用 |
CN102876020A (zh) * | 2012-11-05 | 2013-01-16 | 科创聚合物(苏州)有限公司 | 环保自润滑耐磨尼龙6及其制作工艺 |
US20130023613A1 (en) * | 2010-03-30 | 2013-01-24 | Basf Se | Use of polyamides that are resistant to corrosion and stress cracking |
CN103740098A (zh) * | 2013-12-27 | 2014-04-23 | 安徽科聚新材料有限公司 | 塑料合金、其制备方法和应用 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20130023613A1 (en) * | 2010-03-30 | 2013-01-24 | Basf Se | Use of polyamides that are resistant to corrosion and stress cracking |
CN102408704A (zh) * | 2011-09-05 | 2012-04-11 | 浙江俊尔新材料有限公司 | 聚酰胺复合材料及其制备方法和应用 |
CN102876020A (zh) * | 2012-11-05 | 2013-01-16 | 科创聚合物(苏州)有限公司 | 环保自润滑耐磨尼龙6及其制作工艺 |
CN103740098A (zh) * | 2013-12-27 | 2014-04-23 | 安徽科聚新材料有限公司 | 塑料合金、其制备方法和应用 |
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