生石灰去濕劑與碳酸鈣粗顆粒影響眾乙烯微孔透氣膜耐水壓之研究

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题名:	生石灰去濕劑與碳酸鈣粗顆粒影響眾乙烯微孔透氣膜耐水壓之研究 Influence of Quicklime Desiccant and Coarse Particles of Calcium Carbonate on the Hydrostatic Pressure of MicroporousPolyethylene Films
作者:	林智祥；蔡宜壽；邱正中；張巍瀚
贡献者:	紡工系
关键词:	微孔透氣膜碳酸鈣生石灰耐水壓粒徑分布 Microporous Film calcium carbonate quicklime hydrostatic pressure particle size distribution
日期:	2010-06-01
上传时间:	2012-05-16 10:54:47 (UTC+8)
摘要:	本研究探討生石灰去濕劑用於聚乙烯微孔透氣膜對耐水壓性質所產生的影響，經SEM、XRD、FTIR、EDS、PSD篩網殘留分析得知，降低微孔透氣膜耐水壓的粗顆粒無機物是由生石灰中的氧化鈣與二氧化矽反應生成的水化矽酸鈣所造成，另外一個粗顆粒無機物來源則是碳酸鈣原料中，以粒徑分析儀器無法檢測出的粗顆粒碳酸鈣。 The effects of using quicklime as a water absorber on polyethylene microporous film under actual production conditions are studied. A twin-screw extruder was used for compounding the CaC03/PE blend into pellets containing LDPE, LLDPE, ground calcium carbonate, antioxidants and lubricant. Two dehurnidifiing methods of hot air and quicklime absorber were used in a production line equipped with a stretching unit. Physical properties of two types microporous film were compared with hydrostatic pressure， SEM, XRD, FTIR EDS and residue on 635 mesh screen analyses. The rnicroporous film with quicklime dehumidifier showed lower hydrostatic pressures on average with much greater variation than with the hot air dryer. The results indicate that adverse effects occur due to the impure ingredients of quicklime and the coarser particles of calcium carbonate which can not be detected by laser particle size analyzer.
關聯:	華岡紡織期刊 17卷2期 P.13-22
显示于类别:	[紡織工程學系] 學報-華岡紡織期刊

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