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2Â¥2015-04-20 14:08:25
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ÄúºÃ£¬Ð»Ð»ÄúµÄ°ïÖú£¬ÎÒдµÄÒâ˼ÊÇ"½á¾§ÓÐÁ½ÖÖÀàÐÍ£¬Ò»ÖÖÊÇÈȽᾧ£¬Ò»ÖÖÊÇÀä½á¾§¡£Àä½á¾§¶Ô²ÄÁϵÄʵ¼ÊʹÓÃÓÐÓ°Ï죬¶øÈȽᾧÖ÷Òª¶Ô²ÄÁϼӹ¤ÓÐÓ°Ïì¡£¡°£¬È»ºóÒý³ö±¾ÎÄÖ÷ÒªÑо¿µÄÊÇÈȽᾧ¡£ ±à¼¾ÍÔÚÅÔ±ßÅú×¢¡±if originally quenched from the melt as melted in use and quenched¡° £¬Ö÷Òª¿´²»¶®Õâ¾ä»°µÄÒâ˼¡£ÎҸоõÕâ¸ö²»»áÊÇÒªÎÒ×öʵÑé°É¡£ In general, crystalline polymers are able to crystallize both from the melt and from the amorphous state. The former is termed ¡°melt crystallization¡±, and the latter one is termed ¡°cold crystallization¡±. While cold crystallization can ultimately influence mechanical properties during product use in real environments, melt crystallization determines product properties post-manufacturing. In this paper, the non-isothermal crystallization kinetics of PPXX from the melt state were studied. |
4Â¥2015-04-21 00:07:20













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