開孔型硬質聚氨基甲酸酯泡棉真空保溫片之隔熱性能研究

A Study of Thermal Insulation Properties of Rigid Open-cell Polyurethane Vacuum Insulation Panel System

胡應強(Ying-Chang Hu) ； 都源展(Yuan-Jan Du) ； 陶惟翰(Wei-Han Tao)

《華岡工程學報》 12期 (1998/05) Pp. 121-146

https://doi.org/10.29987/CCUHKJE.199805.0008

摘要

開孔硬質聚胺基甲酸酯(PU)爲芯材之真空保溫片，其具有不含CFCs或確HCFCs等發泡劑且高熱阻之性能：爲本文研究主題。本文研究目約爲探討珊真空保溫片熱傳導性能與製程效率之因素。
本文PU真空保溫片熱傳導性能研究係以實驗方式測量。影響PU真空保溫片熱傳導性能變代參數爲乾燥預熱時間與溫度、PU泡孔孔徑、高阻氧性(Encapsulation Barrier)積層薄膜、氧體吸附劑與抽真空壓力。
研究發現真空保溫片之絕熱性能爲傳統閉孔CFCs發泡泡棉四倍，其熱傳導係數僅爲7.1mW/mK。真空保溫片最適化之製程條件爲120℃，10分鍾預熱乾燥，以CPP/Al/PET組成之高阻氧性生層薄膜。加入適量的分子範與活性碳混合成的氣體吸附劑。並於抽真空到0.014Torr下真空封裝完成。

關鍵字

聚氨基甲酸酯泡綿 ； 氟氯碳化物發泡劑 ； 真空絕熱保溫片 ； 熱傳導係數

並列摘要

The open cell rigid polyurethane (PU) foam for vacuum insulation panel (VIP) which contain non-CFCs or non-HCFCs and with high thermal resistance have been studied in this research. The objective was to identify factors which influence the batch manufacture efficiency and the thermal conductivity performance of the PU vacuum insulation panels.
The thermal conductivity performances of vacuum insulation panels were experimentally investigated, the change of thermal conductivity of PU VIPs are as functions of drying pretreatment temperature and time, PU foam cell size, the encapsulation barrier, getter, evacuation pressure.
The VIPs have a low thermal conductivity (7.1 mW/mK), under the 120℃, 10 minutes pretreatment, 14 mTorr evacuation pressure, the composition of CPP/AIIPET laminated film bag and with zeolite and active carbon mixture getters, which insulation effectiveness is four times better than those former CFCs blowing rigid PU foam.

並列關鍵字

PU ； CFCs ； Vacuum insulation panel VIP ； Thermal conductivity