张 芸,钱 静.可降解凝胶蓄冷剂的制备及性能分析[J].包装工程,2012,33(23):40-44.
ZHANG Yun,QIAN Jing.Preparation and Performance Analysis of Biodegradable Gelatinous Refrigerant[J].Packaging Engineering,2012,33(23):40-44. |
| 可降解凝胶蓄冷剂的制备及性能分析 |
| Preparation and Performance Analysis of Biodegradable Gelatinous Refrigerant |
| 投稿时间：2012-10-11 修订日期：2012-12-10 |
| DOI： |
| 中文关键词: 蓄冷剂 温控包装 NaCl 淀粉系吸水树脂 |
| 英文关键词: refrigerant temperature control packaging NaCl solution starch based water absorbent polymer |
| 基金项目:江苏省普通高校研究生科研创新计划项目 |
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| 中文摘要: |
| 对温控包装中一种可降解凝胶蓄冷剂的制备方法进行了介绍,蓄冷剂以 NaCl 溶液作为主储能材料,淀粉系吸水树脂作为基材,通过添加成核剂来降低过冷度。 实验结果表明,蓄冷剂的相变温度和相变潜热随着NaCl 溶液浓度的增大而降低,筛选出的最佳成核剂有效降低了蓄冷剂的过冷度。 研究工作验证了蓄冷剂的可生物降解性能,给出了适用于 5 ~ -10 ℃温控包装的凝胶蓄冷剂配方及其热物性参数。 |
| 英文摘要: |
| Preparation method of a kind of biodegradable gelatinous refrigerant used in temperature control packaging was introduced. NaCl solution was used as main energy storage material and starch based super absorbent polymer as base material of refrigerant. Nucleating agent was added to reduce the degree of supercooling. The results showed the phase change temperature and latent heat of refrigerant decrease while NaCl solution concentration increases; the selected best nucleating agent can reduce the supercooling degree of refrigerant effectively. The research work validated the biodegradable property of the refrigerant and gave the formula and thermal property parameters of refrigerant which is applicable for temperature control packaging under 5 ~ -10 ℃ . |
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