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The ethanol molecules penetrate the polymer; causing separation of the polymer chains and formation of secondary bonds which displace the interchain secondary bonds.

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lz3333

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sirljz(½ð±Ò+1):лл½»Á÷ 2010-04-10 15:19
lxsmsj(½ð±Ò+1, ·­ÒëEPI+1): 2010-04-12 23:24
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lxsmsj

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Originally posted by lz3333 at 2010-04-10 00:12:47:
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wuya123450

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sirljz(½ð±Ò+1):лл½»Á÷ 2010-04-10 15:20
lxsmsj(½ð±Ò+2): 2010-04-12 23:24
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