Processing and properties of flame sprayed polyamide 12/n-SiO<sub>2</sub> coatings

LI Yadong; QIANG Kegang; MA Yizhu; SUN Lei; WU Zhishen

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Processing and properties of flame sprayed polyamide 12/n-SiO₂ coatings

更新时间：2025-12-10

- Processing and properties of flame sprayed polyamide 12/n-SiO₂ coatings
- CIESC Journal Issue 10, Pages: 2650-2655(2008)
- 作者机构：
  
  1. 郑州轻工业学院河南省表界面科学重点实验室
  2. 国家建筑装修材料质量监督检验中心
  3. 河南大学特种功能材料省重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 October 2008，
  
  Published：05 October 2008
- 稿件说明：
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LI Yadong, QIANG Kegang, MA Yizhu, et al. Processing and properties of flame sprayed polyamide 12/n-SiO₂ coatings[J]. CIESC Journal, 2008, (10): 2650-2655.
DOI：

LI Yadong, QIANG Kegang, MA Yizhu, et al. Processing and properties of flame sprayed polyamide 12/n-SiO₂ coatings[J]. CIESC Journal, 2008, (10): 2650-2655. DOI：

摘要

采用火焰喷涂法制备了聚酰胺12 (PA12)及聚酰胺12/纳米SiO2 (n-SiO2)复合涂层，并利用电子拉力机、摩擦磨损试验机、红外光谱仪（FTIR）和示差扫描量热仪（DSC）等对涂层的结构与性能进行了研究。红外光谱分析表明PA12及PA12/ n-SiO2粉末在火焰喷涂过程中没有发生氧化或降解反应，表明火焰喷涂法适宜制备PA12及PA12/n-SiO2复合涂层;DSC分析结果表明n-SiO2具有成核剂作用，能提高PA12大分子的结晶速度及结晶度;涂层力学性能及摩擦磨损性能分析表明n-SiO2能提高涂层的力学性能，改善涂层的耐老化性能和摩擦磨损性能。当n-SiO2添加量为1.5%（质量）时，涂层综合性能最佳。

Abstract

Polyamide 12 (PA12) and its composite with nanometersized silica (PA12/n-SiO2) coatings were prepared by the flame spraying processThe thermal behavior

mechanical and tribological properties of the coatings were investigated with differential scanning calorimeter (DSC)

electronic tensile testing machine and wear-test machine of MRH-3Fourier transform infrared spectroscopy (FTIR) was used to characterize polymer degradationThe FTIR analysis did not reveal the presence of any oxidation or degradation during the processingThe results showed that the addition of nano-SiO2 could increase the crystallinity

improve the mechanical properties of the coatings and reduce friction and wear of pure polyamide 12 effectivelyIn addition

the nanocomposite coating containing 1.5%(mass) nanometersized silica displayed better properties

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Related Author

LI Yadong

MA Yizhu

QIANG Kegang

CAO Shaokui

ZHANG Zhijun

Related Institution

郑州轻工业学院材料工程系

郑州大学材料工程学院

河南大学特种功能材料重点实验室

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Processing and properties of flame sprayed polyamide 12/n-SiO2 coatings

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摘要

Abstract

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Keywords

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Processing and properties of flame sprayed polyamide 12/n-SiO₂ coatings