文献类型：期刊文献

中文题名：N-丁基苯磺酰胺改性CaCl_(2)/PA6复合材料及性能

英文题名：CaCl_(2)/PA6 composites modified by N-butylbenzene sulfonamide and its properties

作者：胡清韬 童海 李杨

第一作者：胡清韬

机构：[1]遵义铝业股份有限公司,贵州遵义563100;[2]贵州海皓新材料有限责任公司,贵州遵义563199;[3]陕西海皓新材料有限责任公司,西安710000;[4]贵州理工学院材料与能源工程学院,贵阳550003

第一机构：遵义铝业股份有限公司,贵州遵义563100

年份：2025

卷号：53

期号：5

起止页码：148-154

中文期刊名：工程塑料应用

外文期刊名：Engineering Plastics Application

收录：;EI(收录号：20252618671206);北大核心:【北大核心2023】；

基金：国家自然科学基金项目(52363009);贵州理工学院高层次人才启动项目(2023GCC003);贵州省科技计划项目(黔科合中引地〔2024〕030)。

语种：中文

中文关键词：尼龙6;N-丁基苯磺酰胺;CaCl_(2);氢键;结晶

外文关键词：nylon6;N-butylbenzene sulfonamide;CaCl_(2);hydrogen bonding;crystallization

摘要：以双螺杆共混挤出的方式制备了N-丁基苯磺酰胺(BBSA)改性CaCl_(2)/尼龙6(PA6)复合材料(BBSA/CaCl_(2)/PA6),采用傅里叶变换红外光谱、拉曼光谱研究了增塑剂BBSA的增塑过程对CaCl_(2)/PA6复合材料的分子链间氢键的影响,并采用X射线衍射、热重分析、差示扫描量热和扫描电子显微镜对BBSA/CaCl_(2)/PA6复合材料的结晶性能和微观形貌进行了分析。结果表明,增塑剂BBSA能够促使PA6分子链间氢键减弱,但是其并不与PA6分子链间基团产生化学反应。BBSA质量分数大于10%以后会产生明显的增塑作用。相对于PA6,CaCl_(2)/PA6复合材料结晶度为31.53%,下降了12.87%。BBSA的增塑作用会促使BBSA/CaCl_(2)/PA6复合材料结晶度持续下降,添加质量分数为20%的BBSA后,BBSA/CaCl_(2)/PA6复合材料结晶度仅为20.34%。与CaCl_(2)作用类似,BBSA的增塑作用能够诱导γ晶型向α晶型转变。添加质量分数为15%的BBSA后,BBSA/CaCl_(2)/PA6复合材料中γ晶型质量分数仅为14.8%,但是BBSA用量的变化对复合材料结晶度以及玻璃化转变温度影响不大。BBSA作为增塑剂能够有效提升复合材料韧性,随着BBSA的用量增加,BBSA/CaCl_(2)/PA6复合材料的拉伸强度降低,断裂伸长率随之升高。添加质量分数为20%的BBSA后BBSA/CaCl_(2)/PA6复合材料拉伸强度和断裂伸长率分别为40.12 MPa和352.14%。
N-butylbenzene sulfonamide(BBSA)modified CaCl_(2)/nylon 6(PA6)composite materials(BBSA/CaCl_(2)/PA6)was prepared by twin-screw blending and extrusion.The effects of BBSA plasticizing process on the hydrogen bonds of CaCl_(2)/PA6 composites were studied with Fourier transform infrared spectroscopy and Raman spectroscopy.The crystallization properties and microstructure of BBSA/CaCl_(2)/PA6 composites were analyzed by X-ray diffraction,thermogravimetric analysis,differential scanning calorimetry and scanning electron microscopy.The results show that BBSA could weaken the hydrogen bond between PA6 molecular chains,but does not react with PA6 interchain groups.BBSA dosage greater than 10wt%will produce obvious plasticizing effect.Compared with PA6,the crystallinity of CaCl_(2)/PA6 composite is 31.53%,which decreases by 12.87%.The plasticizing effect of BBSA will cause the crystallinity of BBSA/CaCl_(2)/PA6 composites continue to decrease,and the crystallinity of BBSA/CaCl_(2)/PA6 composite is only 20.34%after adding 20wt%of BBSA.Similar to the action of CaCl_(2),the plasticizing effect of BBSA can induce the transition ofγ-form toα-form.Theγcrystal content of BBSA/CaCl_(2)/PA6 composite is only 14.8%after adding 15wt%BBSA,but the change of BBSA dosage has little effect on the crystallinity and glass transition temperature of the composite.BBSA as a plasticizer can effectively enhance the toughness of BBSA/CaCl_(2)/PA6 composites.With the increase of the amount of BBSA,the tensile strength of BBSA/CaCl_(2)/PA6 composites decreases,and the elongation at break increases.After addition of 20wt%BBSA,the tensile strength and elongation at break of BBSA/CaCl_(2)/PA6 composites are 40.12 MPa and 352.14%,respectively.