A kind of intrinsically stretchable luminescent elastomer and its preparation method and application
A technology of elastomers and light-emitting units, applied in the directions of light-emitting materials, chemical instruments and methods, etc., can solve problems such as difficulties, increase in optoelectronic display devices, and limited applications, and achieve good solubility and film-forming properties, excellent device stability, The effect of excellent tensile properties
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Embodiment 1-1
[0048] Preparation of Elastomer P1:
[0049] (1)
[0050] (2)
[0051] (3)
[0052] Step (1): Pour (4-vinylphenyl)methanol (a) (500 mg, 3.73 mmol) and 2-bromo-2-methylpropionyl bromide (856.56 mg, 3.73 mmol) into a two-necked flask, add pyridine (3 mL) and dichloromethane (10 mL) were injected into the flask, and the reaction was completed by reacting at 0° C. for three hours. Filtration by evaporation, column chromatography (PE:DCM=1:1) gave product c (945 mg, 90% yield).
[0053] Step (2): get solid A1 (500mg, 1.77mmol), solid c (500mg, 1.77mmol), azobisisobutyronitrile (29mg, 0.177mmol) into the two-necked flask, and draw toluene solvent (10mL) into the two-necked flask . The reaction device was deoxygenated in vacuo and sealed, the reaction temperature was 70 degrees Celsius, and the reaction was completed within 48 hours. The reaction solution was evaporated and concentrated, and a large amount of methanol was added dropwise to precipitate, and the product mac...
Embodiment 1-2
[0056] Preparation of Elastomer P4:
[0057] (1)
[0058] (2)
[0059] (3)
[0060] Elastomer P4 was prepared in a similar manner to elastomer P1, except that A4 was used in place of A1 and mac4 was used instead of mac1. The yield of step (2) of Example 1-2 is 79%, and the yield of step (3) of Example 1-2 is 82%.
Embodiment 1-3
[0062] Preparation of Elastomer P8:
[0063] (1)
[0064]
[0065] Elastomer P8 was prepared in a similar manner to that of elastomer P1, except that A8 was used instead of A1 and mac8 was used instead of mac1. The yield of step (2) of Example 1-3 is 85%, and the yield of step (3) of Example 1-3 is 81%.
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