Crystallization Behavior and Compatibility of LLDPE/EAA Blends

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (6): 1-4.

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Crystallization Behavior and Compatibility of LLDPE/EAA Blends

Xu Shengqing¹, Liu Weidong¹, Huang Baotong¹, Wang Xinhua², Qin Guangming²

1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2. Xi'an Modern Chemistry Institute China Weaponry Industry Ministry, Xi'an

Received:1997-03-25 Revised:1997-08-26 Published:1997-12-10 Online:1997-12-10

Abstract

Abstract: The crystallization behavior and compatibility of linear low density polyethylene/ethylene acrylic acid copolymer(139mol% AA content), LLDPE/EAA, blends have been studied by means of DMA, DSC, PLM, WAXD and mechanical property measurements. The results show that the noncrystalline phases of LLDPE and EAA are partially compatible, but they can not cocrystallize. Both two components have effects on the crystallization behavior of the blends. LLDPE crystallizes faster than EAA in the blends. However, they do not enter into others crystal cell. LLDPE and EAA are mechanically compatible. The blends with low EAA content(lower than 40%)show good tensile properties.

Key words: linear low density polyethylene, ethylene-acrylic acid copolymer, blend, crystallization, compatibility

Xu Shengqing, Liu Weidong, Huang Baotong, Wang Xinhua, Qin Guangming. Crystallization Behavior and Compatibility of LLDPE/EAA Blends[J]. Chinese Journal of Applied Chemistry, 1997, 0(6): 1-4.

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Crystallization Behavior and Compatibility of LLDPE/EAA Blends

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