Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO<sub>2</sub> composite coating

李亚东

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Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO₂ composite coating

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- Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO₂ composite coating
- CIESC Journal Issue 3, (2011)
- 作者机构：
  
  郑州轻工业学院，河南省表界面科学重点实验室
- 作者简介：
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- Online First：05 March 2011，
  
  Published：05 March 2011
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李亚东. Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO₂ composite coating[J]. CIESC Journal, 2011, (3).
DOI：

李亚东. Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO₂ composite coating[J]. CIESC Journal, 2011, (3). DOI：

摘要

Abstract

The non-isothermal crystallization behavior of pure low-density polyethylene（LDPE） coating and LDPE/n-SiO2 composite coating prepared by flame spraying was investigated by differential scanning calorimetry (DSC)at various cooling rates.The Avrami analysis modified by Jeziorny and Mo models could describe the non-isothermal crystallization process of LDPE and LDPE/n-SiO2 composite coating successfully.The values of Zc and n increased with increasing cooling rate.The values of Zc and n of composite coatings containing nano-SiO2 were higher than those of pure LDPE coating.The half-time values of crystallization showed that the crystallization rate of LDPE/n-SiO2 composite coating was faster than that of pure LDPE coating at a given cooling rate.Furthermore

it was found that nano-SiO2 in LDPE coating acted as an effective nucleation agent.

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Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO2 composite coating

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Non-isothermal crystallization kinetics of thermally sprayed low-density polyethylene/nano-SiO₂ composite coating