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更新时间:2026.04.12
PVC塑料包装中化学物总迁移的研究

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This paper compared the overall migration of chemicals from PVC film into different food simulants,investigated the change tendency of migration with the time and temperature changed.Migration of chemicals from PVC film into the water food simulants is probably 20mg/dm2and the migration of chemicals from PVC film into the fatty food simulants(Iso-octane)is probably 100mg/dm2.Migration of chemicals from PVC into food simulants become more and more with the extension of time and the increase of temperature until the balanced of migration.

包装盒底板塑料模浇口位置和工艺参数的优化设计

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利用PRO/ENGINEER和AutoCAD软件设计了"FUSION"剃须刀刀头包装盒的塑料模具。为了减少注塑缺陷和提高一次试模的成功率,应用Moldflow软件对包装盒底板的塑料模进行仿真模拟分析,比较了选择不同的浇口位置和成型工艺参数,对塑料模的熔接痕、填充时间、气穴位置和注射压力的影响,获得了最佳的浇口位置和成型工艺参数,优化了底板塑料模的设计。图6参9

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