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3Â¥2008-01-01 11:34:42
cooboo
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·ÇÀë×Ó±íÃæ»îÐÔ¼ÁÓëÀë×Ó±íÃæ»îÐÔ¼ÁÔÚË®ÈÜÒºÖÐÐγÉÁË»ìºÏ½ºÊø£¬·ÇÀë×Ó±íÃæ»îÐÔ¼Á·Ö×Ó²åÈëÀë×Ó±íÃæ»îÐÔ¼ÁµÄ·Ö±íÃæ»îÐÔÀë×ÓÖ®¼ä£¬Ê¹µÃÔÀ´µÄÀë×Ó±íÃæ»îÐÔ¼ÁµÄÀë×ÓÍ·Ö®¼äµÄµçÐÔÅųâ×÷ÓüõÈõ£¬Ò༴½ºÍűíÃæµÄµçºÉÃܶȼõÉÙ£¬¼ÓÉÏÁ½ÖÖ±íÃæ»îÐÔ¼Á·Ö×Ó̼Á´Ö®¼äµÄÊèË®Ï໥×÷Óã¬Ê¹µÃÁ½±íÃæ»îÐÔ¼ÁÖ®¼ä²úÉúÁ˽ÏÇ¿µÄ¾»Ï໥×÷ÓÃÁ¦£¬ÓÚÊÇÔÚ»ìºÏÈÜÒºÖбȽÏÈÝÒ×ÐγɴóÁ¿½»ÁªÔÚÒ»ÆðµÄÍø×´ÈÜÒº¹Ç¼Ü½á¹¹¡£´ËÍ⣬ÓÉÓÚÒõÀë×Ó±íÃæ»îÐÔ¼Á¶Ë»ù´øÓдóÁ¿¸ºµçºÉ¿ÉÒÔÓë½ðÊôÑôÀë×Ó²úÉú½ÏÇ¿µÄ¾²µçÎüÒý×÷Óã¬ÎªÒ»Ð©¸´ÔӽṹµÄÄÉÃ×Á£×ӵĺϳÉÌṩÁËÓÕµ¼¹Ç¼Ü¡£Hybrid gel clusters of non-ionic surfactant are formed in the aqeuous solution. The molecues of non-ionic surface active agents are inserted into sub-surface active ions of the ionic surfactants, which weakens the electric repulsion between ion heads of the original ionic surfactants and consequently reduces the surface charge density of the gel clusters. Meanwhile there are dewatering interactions between carbon chains of the molecues of the two kinds of surfactant. Combination of these effects result in strong net interaction force between these two kinds of surfactants. Henceforce a great deal of reticulated solution skeletal structures that are cross linked tend to form in the hybrid solution. Additionally strong electrostatic attraction forms between the metallic cations and the anionics carrying a large number of negative charges on the terminal groups, which provides the synthesis of some nano-particles of complex structures with inducting skeleton. [ Last edited by cooboo on 2008-1-1 at 10:39 ] |
2Â¥2008-01-01 10:16:22
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4Â¥2008-01-01 12:59:36
cooboo
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5Â¥2008-01-01 20:17:49














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