( thgew )enerytsyoPlill)lillLF-60L4F-404i56789050505050545673214357621435762105li ( thgew rauceoM rauceoM () enerytsyoPCoumns: Lnear Cali Organc SECGPCbrationTypeColumn Eluent Flow rate Detector Column temp. : 40 ˚C: Shodex GPC LF-804 : THF: 1.0 mL/min: RIColumn Eluent Flow rate Detector Column temp. : 50 ˚C: Shodex GPC LF-804 : 20 mM H3PO4 + 20 mM LiBr in DMSO/DMF = 80/20: 0.6 mL/min: RIColumn Eluent Flow rate Detector Column temp. : 50 ˚C: Shodex GPC LF-804 x 2 : 30 mM LiBr + 30 mM H3PO4 in NMP: 0.7 mL/min: RI107106105104103102Elution volume (mL)Sample : Xylan 0.1 %, 100 µL1015Sample : Poly(pyromellitic dianhydride-co-4,4'-oxydianiline), 100 µL101520Column Eluent Flow rate Detector Column temp. : 40 ˚CColumn Eluent Flow rate Detector Column temp. : 40 ˚C107106105104103102101112132025 min2530354045min1.01.52.02.53.0Elution volume (mL)Sample : Nylon 6/6 0.1 %, 20 µL1015201015: Shodex GPC LF-604, LF-404: THF: 0.5 mL/min (LF-604) 0.3 mL/min (LF-404): RI (small cell volume): Shodex GPC LF-404: 5 mM CF3COONa in HFIP: 0.15 mL/min: RI (small cell volume)LF-404 x 1LF-404 x 2LF-404 x 3Column Eluent Flow rate Detector Column temp. : 40 ˚C: Shodex GPC LF-404 x 2: THF: 0.3 mL/min: RI (small cell volume)Column Eluent Flow rate Detector Column temp. : 40 ˚C: Shodex GPC LF-804 x 2: Methyl ethyl ketone: 1.0 mL/min: RIColumn Eluent Flow rate Detector Column temp. : 40 ˚C: Shodex GPC LF-404 x n: THF: 0.3 mL/min: RI (small cell volume)Sample : Polyurethane 0.1 %, 20 µL3.510Sample : Polymethyl methacrylate, 100 µL25min10Sample : 10 µL1. Polystyrene (Mw : 1,030,000)2. Polystyrene (Mw : 152,000)66,000)3. Polystyrene (Mw : 22,000)4. Polystyrene (Mw : 5,050)5. Polystyrene (Mw : 6. Polystyrene (Mw : 580)7. Ethylbenzene202530 min1520 min15202530minCalibration curve for LF-804 using polystyreneXylanPolyamic acidCalibration curves for LF-604 and LF-404 using polystyrenePolyamide (Nylon 6/6)Effects of using multiple LF-404 columns for the separation of polystyrenesPolyurethanePolymethyl methacrylate57
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