纳米ZrO2对热喷涂尼龙1010涂层非等温结晶与熔融行为的影响  

Effect of Nano-ZrO_2 on the Behavior of Non-Isothermal Crystallization and Melting of Flame Sprayed Polyamide 1010 Coating

作　　者：李亚东[1] 马亿珠[2] 强克刚[1] 方少明[1] 张治军[3] 

机构地区：[1]郑州轻工业学院材料工程系,河南郑州450002 [2]国家建筑装修材料质量监督检验中心,河南郑州450004 [3]河南大学特种功能材料重点实验室,河南开封475001

出　　处：《高分子材料科学与工程》2008年第8期120-123,共4页Polymer Materials Science & Engineering

基　　金：河南省自然科学基金资助项目(0311022400);河南省教育厅科技攻关资助项目(2003530293);河南省高校杰出人才创新工程资助项目(2006KYCX007)

摘　　要：利用火焰喷涂法制备了尼龙1010(PA1010)/n-ZrO2复合涂层,采用差示扫描量热法(DSC)对复合涂层的非等温结晶过程、熔融行为进行了分析。结果表明,纳米ZrO2粒子的加入不仅能提高复合涂层的结晶速率和结晶温度,而且使复合涂层的熔融峰肩峰的熔融温度高于纯PA1010涂层。结论:纳米ZrO2粒子具有成核剂的作用,诱导尼龙大分子结晶,使其结晶能力及结晶的完善程度提高。Polyamide 1010 （PAl010）/nano-ZrO2 composite coating was prepared by flame sprayed. The processes of non-isothermal crystallization, the melt behavior of PA1010/nano-ZrO2 composite coatings were investigated by differential scanning calorimeter （DSC）. The experimental results show that the crystallization temperature of PA1010/nano-ZrO2 composite coating increases due to the heterogeneous nucleation of nano-ZrO2 particles compared with pure PA1010 coating. A phenomenon of dual melting peaks appears during the melting process of pure PA1010 and PA1010/nano-ZrO2 composite coating. And the low melt peak temperature of the PA1010/nano-ZrO2 composite coating increases obviously as a result of the addition of nano-ZrO2 particles. Meanwhile, nano-ZrO2 particles act as a nucleation agents in the PA1010 matrix.

关 键 词：火焰喷涂 尼龙1010 纳米ZRO2 非等温结晶 熔融行为 

分 类 号：TB383[一般工业技术—材料科学与工程]