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Crystallization and melting behavior of polypropylene in ¦Â-PP/polyamide 6 blends containing PP-g-MA
The effect of thermal history of polyamide 6 on the crystallization and melting behavior of ¦Â-nucleated polypropylene/polyamide 6 blends
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3Â¥: Originally posted by ÌÔÌ­ÀɵÄÌì¿Õ at 2015-04-20 15:09:33
Òâ˼¾ÍÊÇÈÃÄã²¹³ä ʵ¼ÊÉú²úÖлá³öÏÖµÄÖ±½Ó´ã»ðµÄÏÖÏó µÄʱºò ²ÄÁϵÄÁ¦Ñ§ÐÔÄÜ

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.
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