Preparation method for polymer coating
A polymer coating and polymer-based technology, applied in the field of polymer coating preparation, can solve problems such as powerlessness, and achieve the effect of coating stability
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Embodiment 1
[0030] Activation of polymer-coated substrates and grafting of polymeric groups:
[0031] a. Wash the 26mm×13mm×1mm polymer-coated quartz glass substrate 1 with deionized water and ethanol in sequence, and then use concentrated sulfuric acid with a volume ratio of 3:1 and 30% H 2 o 2 Prepare 8 mL of Piranha reagent and activate it at 100°C for 1.5 hours. After taking it out, use deionized water and ethanol to ultrasonically clean it until the residual Piranha reagent is completely removed, dry it with nitrogen, and store it at 4°C at a low temperature;
[0032] b. Add the polymer-coated quartz glass substrate 1 obtained in step a to a mixed solution of 400 μL of 3-(methacryloyloxy)propyltrimethoxysilane and 8 mL of anhydrous toluene, and place it at a temperature of 70° C. , reacted under nitrogen protection for 14 hours, then cleaned with toluene, dried and solidified under vacuum conditions at a temperature of 100° C. for 4 hours, and obtained a quartz glass substrate 2 con...
Embodiment 2
[0038] Activation of polymer-coated substrates and grafting of polymeric groups:
[0039] a. Wash the 13mm×13mm×1mm polymer-coated quartz glass substrate 1 with deionized water and ethanol in sequence, and then use concentrated sulfuric acid with a volume ratio of 3:1 and H with a mass fraction of 30%. 2 o 2 Prepare 8 mL of Piranha reagent and activate it at 80°C for 2.5 hours. After taking it out, use deionized water and ethanol to ultrasonically clean it until the residual Piranha reagent is completely removed, dry it with nitrogen, and store it at 4°C at low temperature;
[0040] b. Add the polymer-coated quartz glass substrate 1 obtained in step a to a mixed solution of 300 μL of 3-(methacryloyloxy)propyltrimethoxysilane and 4 mL of anhydrous toluene, and place it at a temperature of 80° C. , reacted under nitrogen protection for 12 hours, then cleaned with toluene, dried and solidified in vacuum at a temperature of 100° C. for 4 hours, and obtained a substrate 2 containi...
Embodiment 3
[0046] Activation of polymer-coated substrates and grafting of polymeric groups:
[0047] a. Wash the 10mm×13mm×1mm polymer-coated quartz glass substrate 1 sequentially with deionized water and ethanol, and then use concentrated sulfuric acid with a volume ratio of 3:1 and 30% H 2 o 2 Prepare 4 mL of Piranha reagent and activate it at 90°C for 1.5 hours. After taking it out, use deionized water and ethanol to ultrasonically clean it until the residual Piranha reagent is completely removed, dry it with nitrogen, and store it at 4°C at low temperature;
[0048] b. Add the polymer-coated quartz glass substrate 1 obtained in step a to a mixed solution of 400 μL of 3-(methacryloyloxy)propyltrimethoxysilane and 5 mL of anhydrous toluene, and place it at a temperature of 90° C. , reacted under nitrogen protection for 10 hours, then cleaned it with toluene, dried and solidified under vacuum at a temperature of 100° C. for 4 hours, and obtained a substrate 2 containing a polymerizable...
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