Table 1.
Samples | Cumulative weight fraction with different M w range (%)a | M w(g/mol)a | NH2 content (μmol/mg)c | R g (nm)a | r g b | |||
---|---|---|---|---|---|---|---|---|
103~104 | 104~105 | 105~106 | 106~107 | |||||
CS1 | 99.12 | 0.84 | — | 3.826 × 104 | 0.773 | — | 13.1 | |
CS2 | — | 98.76 | 1.14 | — | 6.337 × 104 | 0.967 | 13.7 | 5.2 |
CS3 | — | 0.73 | 98.99 | — | 1.468 × 105 | 0.854 | 20.0 | 10.5 |
a M w, M w distribution, and R g were determined by GPC-MALS. b r g was determined by SAXS. cNH2 content was determined by TNBS method.