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| Study on the Cooling Performance of Paper-based Composites Containing Phase Change Microcapsules |
| Received:September 16, 2025 Revised:October 09, 2025 |
| DOI：10.11980/j.issn.0254-508X.2026.04.007 |
| Key Words:paper-based composites phase change microcapsule (PCM) coating cooling effect |
| Fund Project:制浆造纸国家工程实验室基金项目（ZZY2023ZZXT02）。 |
| Author Name | Affiliation | Postcode | | ZHANG Ying* | 1Paper Industry Productivity Promotion Center, Quzhou, Zhejiang Province, 324400
3School of Chemistry, Jilin Normal University, Siping, Jilin Province,136000 | 136000 | | ZHAO Lijun* | 1Paper Industry Productivity Promotion Center, Quzhou, Zhejiang Province, 324400 | 324400 | | CHAO Lumen | 2China National Pulp and Paper Research Institute Co., Ltd., Beijing, 100102 | 100102 | | YANG Yang | 2China National Pulp and Paper Research Institute Co., Ltd., Beijing, 100102 | 100102 | | HUANG Jianbo | 2China National Pulp and Paper Research Institute Co., Ltd., Beijing, 100102 | 100102 | | LI Hongkai | 1Paper Industry Productivity Promotion Center, Quzhou, Zhejiang Province, 324400 | 324400 | | LIU Wen | 1Paper Industry Productivity Promotion Center, Quzhou, Zhejiang Province, 324400
2China National Pulp and Paper Research Institute Co., Ltd., Beijing, 100102 | 100102 | | WANG Songpeng | 1Paper Industry Productivity Promotion Center, Quzhou, Zhejiang Province, 324400 | 324400 |
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| Abstract:In this study, a novel paper-based composites containing phase change microcapsules (C-PCM) was fabricated for the cooling segment of heat not burn (HNB) cigarettes. Using paper as the substrate, a coating solution was prepared by dispersing phase change microcapsules (PCM) in a polyvinyl alcohol (PVA) solution, which was then applied onto the paper. Through optimization of PVA concentration, phase change temperature, and coating parameters, the coating solution optimal preparation conditions were determined as: PVA solution mass fraction was 5%, PCM phase change temperature was 45 ℃, coating solution solid content was 20%. The C-PCM prepared under this condition reduced the maximum temperature of the cigarette filter to 37.4 ℃, significantly outperforming commercially available HNB cigarette filters. The phase change enthalpy of C-PCM reached 120.3 J/g at this coating condition, confirming excellent heat absorption capability. Additionally, C-PCM exhibits favorable tensile index (57.4 N·m/g), hydrophilicity (water contact angle 44.2°), and oil resistance. When maintaining the cooling performance of C-PCM as much as possible, adding an appropriate amount of CaCO3 thermal conductive filler could replace an appropriate amount of phase change microcapsules to save costs. |
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