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1. Introduction Super absorbent polymers (SAP) are a new type of functional polymer that has been developed in recent years. This material can absorb water at hundreds or even thousands of times of its weight. SAP, with its super water absorbency and retention, have wide applications in areas including personal health products, civil construction, industrial and agricultural production, and medical materials (Silberbush, Adar, & De, 1993; Zhang & Li, 2005; Sun et al., 2006; Liu, Zhang, & Zhu, 2008; Wang, Zhang, & Wang, 2008). Furthermore, SAP can be used in industries dealing with food crops, cash crops, flower vegetables, forest, lawn cultivation, and desert improvement because of its super water absorbency and retention. Thus, SAP is gradually becoming an important part of the agricultural technology system with excellent water-saving abilities (Han, Yang, & Luo, 2010; Yao & Zhou, 2003; Abedi-Koupai, Eslamian, & Asadkazami, 2008; Bhardwaj, Shainberg, Goldstein, Warrington, & Levy, 2007). In addition, a number of studies are being conducted on the use of SAP as a waterproofing agent in communication cables, humidity regulator, active enzyme carrier, artificial snow, and so on (Ficarra et al., 2002; Kabiri, Omidian, Hashemi, & Zohuriaan-Mehr, 2003). |
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haizhoubuer: ½ð±Ò+20, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, Ì«°ôÀ²£¡ 2014-11-04 09:31:49
haizhoubuer: ½ð±Ò+20, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, Ì«°ôÀ²£¡ 2014-11-04 09:31:49
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1.¼ò½é ³¬Îü¸½¾ÛºÏÎSAP£©ÊÇ×î½ü¼¸Ä꿪·¢³öÀ´µÄÒ»ÖÖÐÂÐ͹¦ÄܾۺÏÎï¡£ÕâÖÖ²ÄÁϵÄÎüË®Á¿¿ÉÒÔÊÇÆä×ÔÉíÖØÁ¿µÄÊý°ÙÉõÖÁÊýǧ±¶¡£Æ¾½èÆä³¬Ç¿µÄÎüË®ÐԺͱ£Ë®ÐÔ£¬SAPÔÚ°üÀ¨¸öÈ˽¡¿µ²úÆ·£¬ÍÁľ½¨Öþ£¬¹¤Å©ÒµÉú²ú£¬Ò½ÁƲÄÁÏ£¨Silberbush, Adar, & De, 1993; Zhang & Li, 2005; Sun et al., 2006; Liu, Zhang, & Zhu, 2008; Wang, Zhang, & Wang, 2008£©µÄÁìÓò¾ßÓй㷺µÄÓ¦Ó᣶øÇÒ£¬ÓÉÓÚÆä׿ԽµÄÎüË®ºÍ±£Ë®ÄÜÁ¦£¬SAP¿ÉÒÔÔÚ´¦ÀíÁ¸Ê³×÷Î¾¼Ã×÷ÎÊ߲ˣ¬»¨»Ü£¬ÁÖľ£¬²ÝƺÖÖÖ²£¬ÒÔ¼°É³Ä®ÖÎÀíÖÐÓ¦Óá£Òò´Ë£¬SAPÒòÆä׿ԽµÄ½ÚË®ÄÜÁ¦ÕýÖð²½³ÉΪũҵ¼¼ÊõÌåϵµÄÖØÒª×é³É²¿·Ö£¨Han, Yang, & Luo, 2010; Yao & Zhou, 2003; Abedi-Koupai, Eslamian, & Asadkazami, 2008; Bhardwaj, Shainberg, Goldstein, Warrington, & Levy, 2007£©¡£´ËÍ⣬Ðí¶àÔÚͨÐŵçÀ£¬Êª¶Èµ÷½Ú¼Á£¬»îÐÔÃ¸ÔØÌ壬ÈËÔìÑ©µÈÖÐʹÓÃSAP×÷Ϊ·ÀË®¼ÁÒ²ÕýÔÚ½øÐÐÖУ¨Ficarra et al., 2002; Kabiri, Omidian, Hashemi, & Zohuriaan-Mehr, 2003£©¡£ |
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