李俊鹏,周兴龙,苏阳,王至冬,李楠,王树成.基于等效面积模型测试纸尿裤柔软度的研究[J].中国造纸,2025,44(7):177-185 本文二维码信息
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基于等效面积模型测试纸尿裤柔软度的研究
Research on Assessing Diapers Softness Based on Equivalent Area Model
收稿日期:2024-12-01  修订日期:2025-01-15
DOI:10.11980/j.issn.0254-508X.2025.07.021
关键词:  纸尿裤  柔软度  等效面积模型  拉伸速度
Key Words:diapers  softness  equivalent area model  stretching velocity
基金项目:河南省市场监督管理局科技计划项目(HNSCJK202559);河南省产品质量检验技术研究院重点扶持项目(YZK202408)。
作者单位邮编
李俊鹏* 河南省产品质量检验技术研究院,河南郑州,450047 450047
周兴龙 河南省产品质量检验技术研究院,河南郑州,450047 450047
苏阳 河南省产品质量检验技术研究院,河南郑州,450047 450047
王至冬 河南省产品质量检验技术研究院,河南郑州,450047 450047
李楠 河南省产品质量检验技术研究院,河南郑州,450047 450047
王树成 河南省爱尔康 卫生用品有限公司,河南新乡,453600 453600
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摘要:本研究采用等效面积模型圆环法对纸尿裤柔软度进行测试。探讨了卷曲方向、拉伸速度、尺寸(厚度和宽度)和芯体结构、选取半径(R1)对纸尿裤柔软度的影响。研究显示,纸尿裤向内卷曲柔软度≥向外卷曲柔软度;当拉伸速度在8 mm/s以下时,纸尿裤柔软度较为稳定;厚度对纸尿裤柔软度的影响大于宽度;当厚度和宽度相同时,纸尿裤的原材料、纸尿裤内部结构、内部填充材料等不同会导致纸尿裤柔软度不同;当R1和计算内半径(R)不同时,需根据E值和圆环间隔对纸尿裤柔软度进行修正。结果表明,等效面积模型圆环法可以作为纸尿裤柔软度的检测方法,根据其检测结果能够对纸尿裤柔软度进行分级,与感官柔软度测试结果基本一致。
Abstract:This study employed the equivalent area model annular method to assess the softness of diapers. The effects of curling direction (inward and outward), stretching velocity, sample dimensions (thickness and width), core structure, and selected radius (R₁) on softness of diapers were systematically investigated. The research showed that the inward curling softenss of diaper was greater than the outward curling softness. Softness remained relatively stable when the stretching velocity was below 8 mm/s. Thickness exerted a greater influence on softness than width. For samples with identical thickness and width, variations in raw materials, internal core structures, and filler materials could lead to differential softness. When the R₁ and calculated inner radius (R) differed, corrections must be applied to softness values based on the E-value (elastic modulus) and annular spacing. The results showed that the equivalent area model annular method was a viable approach for quantifying diaper softness, enabling softness grading based on objective measurements. The findings aligned closely with sensory softness evaluation results.
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