3种评价牙膏磨损性能的方法比较

doi:10.13218/j.cnki.csdc.2016.03.009

摘要/Abstract

摘要： 研究比较了表面粗糙度法、ISO11609中附录A的放射性示踪法及附录B的表面轮廓法3种评价牙膏磨损性能的体外实验方法。实验结果表明,对于含有同种类型摩擦剂(二氧化硅或天然碳酸钙)的牙膏试样,表面粗糙度法Ra值的测试结果与放射性示踪法RDA值及表面轮廓法磨损深度的测试结果均具有良好的相关性。同时,与ISO11609中的2种方法相比,表面粗糙度法具有操作简单、刷磨过程压力可控、检测仪器性价比高、数据重复性好、测试结果不易被牙膏配方中磷酸盐等组分干扰等特点。

关键词: 牙膏, 磨损, 表面粗糙度法, 放射性示踪法, 表面轮廓法

Abstract: Three methods for the in-vitro measurement of dentifrice abrasion performance,the radiotracer method (ISO11609/Annex-A),the surface profile method (ISO11609/Annex-B) and a recently introduced method (the surface roughness method) were examined,investigated and compared.The results showed that in case the dentifrices were composed of same type of abrasive agent,either silica or natural calcium carbonate,test results Ra value obtained from surface roughness method,RDA value obtained from radiotracer method as well as the result obtained from surface profile method all display good correlations.Meanwhile,as comparing with the two methods specified in ISO11609,the surface roughness method displays other advantages such as simple operation,pressure controllable in the brushing and abrasion process,high performance price ratio,good repeatability et al.Besides,the results of the surface roughness method are more stable and not affected by the interference of the phosphate in the dentifrice formulations.

Key words: dentifrice, abrasivity, surface roughness method, radiotracer method, surface profile method

中图分类号:

TQ658.4+1

孙东方,陈健芬,施裔磊. 3种评价牙膏磨损性能的方法比较[J]. 日用化学工业, 2016, 46(3): 162-167.

SUN Dong-fang，CHEN Jian-fen，SHI Yi-lei. Comparison of three methods for the measurement of dentifrice abrasivity SUN Dong-fang¹,CHEN Jian-fen²,SHI Yi-lei²[J]. China Surfactant Detergent & Cosmetics, 2016, 46(3): 162-167.

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