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| Study on Indicators of the Clumping and Cracking of the Diaper Core based on the Grid Method and Grading Model |
| Received:December 02, 2025 Revised:January 13, 2026 |
| DOI：10.11980/j.issn.0254-508X.2026.06.021 |
| Key Words:diapers grid method clumping cracking grading model |
| Fund Project: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）。 |
| Author Name | Affiliation | Postcode | | LI Junpeng* | 1He’nan Institute of Product Quality Inspection Technology, Zhengzhou, He’nan Province, 450047 | 450047 | | MA Yinghui | 1He’nan Institute of Product Quality Inspection Technology, Zhengzhou, He’nan Province, 450047 | 450047 | | MA Yizhu* | 1He’nan Institute of Product Quality Inspection Technology, Zhengzhou, He’nan Province, 450047 | 450047 | | ZHOU Bo | 1He’nan Institute of Product Quality Inspection Technology, Zhengzhou, He’nan Province, 450047 | 450047 | | WANG Shucheng | 2He’nan Aierkang Sanitary Products Co., Ltd., Xinxiang, He’nan Province, 453600 | 453600 |
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| Abstract:In this study， a drop collision and roll test device was used to rapidly observe the clumping and cracking of the water-absorbed diapers core. The grid method was adopted to calculate the percentage of the clumping area of the diapers core after water absorption. Combined with statistical data including the percentage of clumping area， number of cracking and breaking， a three-stage grading model was established to divide the diapers cores into five grades. The results showed that this model could present the test results of clumping， cracking， and breaking of diaper cores in an intuitive， convenient， and clear manner. |
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