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【求助】PEO有哪些规格？PEO2000分子量大概多少？
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PEO有哪些规格？PEO2000分子量大概多少？ [ Last edited by wdwsnnu on 2010-4-3 at 18:55 ] |
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wdwsnnu(金币+2):谢谢讨论 2010-04-03 18:55
milo163(金币+5):谢谢！ 2010-04-06 19:05
wdwsnnu(金币+2):谢谢讨论 2010-04-03 18:55
milo163(金币+5):谢谢！ 2010-04-06 19:05
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聚氧乙烯(PEO)Polyethylene Oxide 阴离子型，窄分布，每瓶200mg Catalog # Mp Mw Mn IV* PEOX1000K 875,000 920,000 836,400 4.882 PEOX800K 851,600 885,000 819,400 4.736 PEOX510K 498,000 510,000 486,000 3.36 PEOX400K 448,000 438,000 371,000 2.954 PEOX240K 235,300 240,000 230,750 2.12 PEOX150K 167,000 170,000 163,500 1.54 PEOX100K 111,000 108,000 96,500 1.123 PEOX80K 85,300 82,850 65,750 0.954 PEOX55K 56,100 57,000 55,300 0.67 PEOX25K 29,300 27,800 22,800 0.439 IV* - Intrinsic VIscosity (dL/g) in 0.05M Sodium Sulfate at 30°C (a = 0.693; K = 0.000365) 注：分子量20000(Mw)以下使用聚乙二醇(Polyethylene Glycol) 阴离子型，宽分布，每瓶1g Catalog # Mw Mn IV* PEOX2000K 1,750,000 540,600 6.855 PEOX1500K 1,587,000 563,100 5.61 PEOX900K 916,800 316,100 4.59 PEOX825K 825,200 325,000 4.3 PEOX700K 700,500 320,500 3.879 PEOX650K 644,400 334,000 3.25 PEOX500K 475,500 180,600 2.927 PEOX200K 204,000 47,000 1.497 PEOX120K 122,700 36,500 0.925 IV* - Intrinsic Viscosity (dL/g) in 0.05M Sodium Sulfate at 30°C (a = 0.693; K = 0.000365) |
2楼2010-04-03 14:28:05