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Record 1 of 3
| Record #: | 546 |
| Class ID: | 2.14 |
| Class Name: | polydiene |
| Polymer: | polybutadiene |
| Matrices: | pencil lead [Note: No CAS] dithranol (1143-38-0) |
| Salt: | silver trifluoroacetate (AgTFA) (with both pencil lead and dithranol); lithium trifluoroacetate (LiTFA) (with pencil lead) |
| Solvent: | tetrahydrofuran (THF) |
| Recipe | Dithranol as matrix and AgTFA as additive were prepared by dissolving the polymer in THF at a concentration of 10 g/L. A 10 μL aliquot of this solution was added to 10 μL of a 10 g/L matrix solution, and AgTFA as a MeOH solution (0.1 M) was added as cationization agent. A 1 μL aliquot of the resulting mixture was applied to a multistage target to evaporate the solvent and create a thin matrix/analyte film. In the case of pencil lead, a pencil was used to draw directly onto the target spot, ensuring that the entire surface was covered. Then, 1 μL of the sample solution was added on the top of the matrix using a pipet and left to dry in air. In some cases 1 μL of a LiTFA solution (0.1 M) was added. |
Berger-Nicoletti, E.; Wurm, F.; Kilbinger, A.F.M.; Frey, H., Pencil Lead as a Matrix for MALDI-TOF Mass Spectrometry of Sensitive Functional Polymers, Macromolecules, 40, 3, 2007, 746-751.
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Record 2 of 3
| Record #: | 338 |
| Class ID: | 2.14 |
| Class Name: | polydiene |
| Polymer: | polybutadiene |
| Matrix: | dithranol (1143-38-0) |
| Salt: | silver trifluoracetate (AgTFA) |
| Solvent: | tetrahydrofuran (THF) |
| Recipe | Solutions of dithranol (20 mg/mL), end-functional polymer (10 mg/mL), and silver trifluoroacetate (10 mg/mL) were made in tetrahydrofuran (THF). These solutions were mixed in the ratio matrix: cationizing salt: polymer (10:1:2), and 0.5 µL of the solution was deposited on the sample holder. |
Quirk, R.P.; Guo, Y.; Wesdemiotis, C.; Arnould, M.A., Investigation of Ethylene Oxide Oligomerization During Functionalization of Poly(Butadienyl)Lithium Using MALDI-TOF MS and H-1 NMR Analyses, Polymer, 45, 10, 2004, 3423.
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Record 3 of 3
| Record #: | 1221 |
| Class ID: | 2.14 |
| Class Name: | polydiene |
| Polymer: | polybutadiene |
| Matrix: | all trans-retinoic acid (302-79-4) |
| Salt: | CuI |
| Solvent: | tetrahydrofuran (analyte), tertahydrofuran/water (salt) |
| Recipe | [The analyte was] dissolved in THF (5 mg/mL), and then combined with a solution of CuI (10 mg/mL THF/H2O, 1 : 1, v/v) and a solution of retinoic acid matrix (50 mg/mL THF) in a 1 : 1 : 2 ratio (v/v/v), respectively. |
Straessler, N.A.; Li, P.; Parry, S.A.; Coleman, D.W.; Killpack, M.O.; Wright, M.E., Derivatization of Carboxyl-Terminated Polybutadiene for Determining Relative Functionality Distribution, Journal of Applied Polymer Science, 123, 2, 2012, 691-698.
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