Molar masses (MM) and molar mass distributions (dispersities, Đs) of all copolymers and precursors were determined by GPC. Samples were analysed using GPC (SECurity GPC System 1260 Infinity, Agilent Technologies). The flow rate at the time of calibration and of experimental sample analysis was 1 mL min−1 and the mobile phase used was THF with 5% Et3N. Samples were prepared by dissolution in the same solvent as the mobile phase and filtered using 0.45 μm PTFE filters prior to analysis. The system was calibrated with six PMMA standards.
Security gpc system 1260 infinity
Manufactured by Agilent Technologies
The SECurity GPC System 1260 Infinity is a high-performance liquid chromatography (HPLC) system designed for size exclusion chromatography (SEC) applications. It features a modular design and advanced software controls to provide precise and reliable separation and analysis of macromolecules and polymer samples.
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Lab products found in correlation
2 protocols using security gpc system 1260 infinity
1
Polymer Molar Mass Characterization
2
Molecular Weight Analysis by Gel Permeation Chromatography
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TABLE 4 GPC analysis of copolymers Copolymer Mn Mw Pdi GPC chromatogram 2,4-PBAP 323.3 1,109 3.4 FIG. 9 2,5-PBAP 2,448 5,186 2.11 FIG. 10 Comparative 5,582 8,615 1.544 FIG. 11 Example 6 Commercial 42,190 113,100 2.680 FIG. 12 PBAT
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Example 8
Gel Permeation Chromatography (GPC)
The molecular weight (Mn and Mw) and polydispersity (Pdi) data as generated by GPC can be found in Table 4. GPC was conducted on an Agilent SECurity GPC System 1260 Infinity using THF as the solvent, a polystyrene standard, and a light scattering detector.
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