| EFFECT OF PAN-MILLING STRESS ON CRYSTAL STRUCTURES OF HIGH DENSITY POLYETHYLENE |
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| 引用本文： | Hua Huang Polymer Research Institute,Sichuan University,Chengdu 610065,China School of chemistry and Chemical Technology,Shanghai Jiao Tong University,Shanghai 200240,China. EFFECT OF PAN-MILLING STRESS ON CRYSTAL STRUCTURES OF HIGH DENSITY POLYETHYLENE[J]. 高分子科学, 2000, 0(4): 363-367 |
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| 作者姓名： | Hua Huang Polymer Research Institute Sichuan University Chengdu 610065 China School of chemistry and Chemical Technology Shanghai Jiao Tong University Shanghai 200240 China |
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| 作者单位： | Hua Huang Polymer Research Institute，Sichuan University，Chengdu 610065，China School of chemistry and Chemical Technology，Shanghai Jiao Tong University，Shanghai 200240，China |
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| 摘 要： | A detailed study was performed on the crystal structures of pan-milled high-density polyethylene (HDPE) usingdifferential scanning calorimetry (DSC) and X-ray diffraction. The crystallinity of HDPE first decreased slightly, followed bya gradual increase with increasing milling times. Monoclinic crystals appeared after 4 cycles of milling. With increasingtimes of milling, the proportion of monoclinic crystals increased significantly while the proportion of orthorhombic crystalsdecreased gradually. With increasing times of milling, the crystallite size of orthorhombic form decreased greatly, while thesize of monoclinic crystallites kept almost constant during milling.
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EFFECT OF PAN-MILLING STRESS ON CRYSTAL STRUCTURES OF HIGH DENSITY POLYETHYLENE* |
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| Hua Huang. EFFECT OF PAN-MILLING STRESS ON CRYSTAL STRUCTURES OF HIGH DENSITY POLYETHYLENE*[J]. Chinese Journal of Polymer Science, 2000, 0(4): 363-367 |
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| Authors: | Hua Huang |
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| Affiliation: | Research Institute; Sichuan University; Chengdu 610065 |
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| Abstract: | A detailed study was performed on the crystal structures of pan-milled high-density polyethylene (HDPE) usingdifferential scanning calorimetry (DSC) and X-ray diffraction. The crystallinity of HDPE first decreased slightly, followed bya gradual increase with increasing milling times. Monoclinic crystals appeared after 4 cycles of milling. With increasingtimes of milling, the proportion of monoclinic crystals increased significantly while the proportion of orthorhombic crystalsdecreased gradually. With increasing times of milling, the crystallite size of orthorhombic form decreased greatly, while thesize of monoclinic crystallites kept almost constant during milling. |
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| Keywords: | High-density polyethylene Pan-milling Crystal structure |
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