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1.        However, crosslinks reduce the crystallinity degree (Xc) (in Table 2) simultaneously and hence increase the free volume, which would increase the segmental mobility in the amorphous domain.
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2.        The influence of the former may be exactly counteracted by that of the latter. Hence, the Tg does not undergo any visible changes.
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3.        Thus, it can be concluded that appropriate feed of excess H is an effective and feasible approach to improve the mechanical properties
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4.        Simultaneously, as shown in Table 2, an increase in crosslink density accompanies with a reduction in Xc, which deteriorates the mechanical strengths but enhances the toughness.
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5.        While the tensile strength and flexural modulus vary little when H increases from 1.2 to 1.3, resulting from the equal influence of crosslink density and Xc.
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hubeizlc(½ð±Ò+2): 2010-05-02 13:07
1.µÚÒ»¾äµÄÔ­Òò½á¹ûŪ·´Á˰ɣ¬Ô­ÒòÊǺóÃæµÄthe free volume, which would increase the segmental mobility in the amorphous domain£¬½á¹ûÊÇÇ°ÃæµÄreduce the crystallinity degree (Xc) (in Table 2) simultaneously¡£
2.The influence of the former happens to be counteracted by the latter one. Hence, there is no obvious change in the Tg value.
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4.accompaniis with »»³É is accompanied by
5.resulting from... ¸Ä³É which is due to the influence of crosslink density is roughly the same with that of Xc.
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