尼龙6在高压退火中的晶体生长  

Crystal Growth of Nylon 6 by High Pressure Annealing

作　　者：徐伟杰[1,2] 曹大呼[1,2] 俞强 

机构地区：[1]常州大学材料科学与工程学院,江苏常州213164 [2]常州高分子材料重点实验室,江苏常州213164

出　　处：《高压物理学报》2012年第6期709-714,共6页Chinese Journal of High Pressure Physics

摘　　要：利用六面顶压机制备了高压退火的尼龙6样品,通过宽角X射线衍射(WAXD)、差示扫描量热(DSC)和红外光谱等手段,探索了高压退火对尼龙6结晶度以及晶体结构的变化。研究发现,在高压退火过程中尼龙6分子链段运动受到压力的限制,材料中晶体的形成主要依靠转氨基反应实现。Using a cubic-anvil high pressure apparatus, Nylon 6 samples were annealed under different pressures. The crystallinity and crystal structure changes of Nylon 6 were studied by the methods of wide-angle X-ray diffraction （WAXD）, differential scanning calorimetry （DSC） and infrared spectra. The results showed that the adjustment of nylon 6 molecular chains was suppressed because of the pressure loading,and the formation of the crystals was mainly realized by the reaction of transamidation.

关 键 词：高压结晶 伸直链晶体 尼龙6 高压退火 

分 类 号：O521.2[理学—高压高温物理] O631.1[理学—物理]