Bacteriostatic and seaweed adhesion-resistant silane modified polyampholyte hydrogel high-adhesion coating and preparation method thereof
A polyampholyte, silane modification technology, applied in coatings, antifouling/underwater coatings, paints containing biocides, etc., can solve the problem of weak adhesion between silane and substrate, non-electrolyte hydrophilic polymers Weak hydration and other problems, to achieve the effect of excellent mechanical properties
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[0031] Example 1
[0032] 1), plasma cleaning the glass substrate cleaned and dried by deionized water for 10min to obtain the hydroxylated substrate surface.
[0033] Step 2): Measure 80ml of ethanol, 20ml of deionized water and 0.2ml of acetic acid in a tetragonal container, add 2 wt% of MEMO relative to the mass of the solvent, and mix them evenly.
[0034] Step 3): Put the glass substrate in step 1) into the mixed solution in step 2), dip-coat it at room temperature for 2h, and dry it at 60℃ for 30min.
[0035] Step 4): Make the glass substrate obtained in step 3) together with untreated glass and silicone gasket into a mold, and preheat it in an oven at 90℃ for 30min.
[0036] Step 5): Weigh 3.1122g DAC(55mol％%), 2.4093g NaSS(45mol％%), 0.0039gMBAA(0.1mol％%) and 0.0037g KA(0.1mol％%) in a beaker, add 10ml deionized water, and stir at 70℃ for 15min to obtain a uniform prepolymer solution.
[0037]Step 6): Add 15μl MEMO into the prepolymer solution obtained in step 5), transfer i...
Example Embodiment
[0039] Example 2
[0040] 1), plasma cleaning the glass substrate cleaned and dried by deionized water for 10min to obtain the hydroxylated substrate surface.
[0041] Step 2): Measure 80ml of ethanol, 20ml of deionized water and 0.2ml of acetic acid in a tetragonal container, add 2wt％% MEMO and mix them evenly.
[0042] Step 3): Put the glass substrate in step 1) into the mixed solution in step 2), dip-coat it at room temperature for 2h, and dry it at 60℃ for 30min.
[0043] Step 4): Make the glass substrate obtained in step 3) together with untreated glass and silicone gasket into a mold, and preheat it in an oven at 90℃ for 30min.
[0044] Step 5): Weigh 2.9055g DAC(51.33mol％%), 2.6062g NaSS(48.66mol％%), 0.0039g MBAA(0.1mol％%) and 0.0037g KA(0.1mol％%) in a beaker, add 10ml deionized water, and stir in 70℃ water bath for 15min.
[0045] Step 6): Add 19μl MEMO into the prepolymer solution obtained in step 5), transfer it to the mold in step 4) after uniform ultrasonic mixing, ill...
Example Embodiment
[0047] Example 3
[0048] 1), plasma cleaning the glass substrate cleaned and dried by deionized water for 10min to obtain the hydroxylated substrate surface.
[0049] Step 2): Measure 80ml of ethanol, 20ml of deionized water and 0.2ml of acetic acid in a tetragonal container, add 2wt％% of MEMO and mix them evenly.
[0050] Step 3): Put the glass substrate in step 1) into the mixed solution in step 2), dip-coat it at room temperature for 2h, and dry it at 60℃ for 30min.
[0051] Step 4): Make the glass substrate obtained in step 3) together with untreated glass and silicone gasket into a mold, and preheat it in an oven at 90℃ for 30min.
[0052] Step 5): Weigh 2.8292g DAC(50mol％%), 2.677g NaSS(50mol％%), 0.0039g MBAA(0.1mol％%) and 0.0037g KA(0.1mol％%) in a beaker, add 10ml deionized water, and stir in a water bath at 70℃ for 15min to obtain a uniform prepolymer solution.
[0053] Step 6): Add 20μl MEMO into the prepolymer solution obtained in step 5), transfer it to the mold in ste...
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