Insulating anti-aging coating for unit-type looped network cabinet and preparation method of insulating anti-aging coating
An anti-aging, ring network cabinet technology, applied in the direction of coating, etc., can solve the problems that the safety of electrical equipment is difficult to be guaranteed, and the shell of electrical equipment is corroded.
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[0013] The invention provides a method for preparing an insulating anti-aging coating for a unitary ring main unit, the method comprising:
[0014] 1) Contact polyether diol, diisocyanate, expanded vermiculite, zinc borate, 4-amino-1,2,4-triazole, silica sol, ethyl acetate and tungsten disulfide under vacuum conditions react to produce component one;
[0015] 2) Put ethylene-vinyl acetate emulsion, polyether trihydric alcohol, inorganic salt whisker, lead naphthenate, hydroquinone, diatomaceous earth, aluminum oxide fiber and alkyl sulfonate alcohol ether under ultraviolet light Carrying out a contact reaction in the presence to obtain component two;
[0016] 3) Mix component one and component two, then add bone glue, urea, asphalt and silicon dioxide for ultrasonic vibration to prepare an insulating anti-aging coating.
[0017] In step 1) of the present invention, the specific conditions of the contact reaction can be selected in a wide range, but in order to make the insul...
Embodiment 1
[0031] 1) Polyether diol (weight average molecular weight is 3000), diisocyanate, expanded vermiculite, zinc borate, 4-amino-1,2,4-triazole, silica sol, ethyl acetate and tungsten disulfide according to 100: 22: 10: 3: 18: 22: 46: 0.9 weight ratio mixing, and contact reaction at a temperature of 270 ° C and a vacuum of 0.4 MPa for 100 minutes to prepare component 1;
[0032] 2) Ethylene-vinyl acetate emulsion, polyether trihydric alcohol (weight average molecular weight is 5000), inorganic salt whisker (length is 100um, aspect ratio is 100, calcium sulfate whisker), lead naphthenate, paraffin Hydroquinone, diatomaceous earth, aluminum oxide fibers (0.5mm in length, 4μm in diameter) and alkyl sulfonic acid alcohol ether are mixed according to the weight ratio of 100:87:0.8:0.9:24:8:22:59 , and carry out a contact reaction for 5 hours under the conditions of ultraviolet rays with a wavelength of 230nm and a temperature of 90°C to prepare component 2;
[0033] 3) Mix component 1...
Embodiment 2
[0035] 1) Polyether diol (weight average molecular weight is 1000), diisocyanate, expanded vermiculite, zinc borate, 4-amino-1,2,4-triazole, silica sol, ethyl acetate and tungsten disulfide according to 100: 20: 8: 1: 15: 19: 40: 0.5 weight ratio mixing, and contact reaction at a temperature of 250 ° C and a vacuum of 0.2 MPa for 80 minutes to prepare component 1;
[0036] 2) Ethylene-vinyl acetate emulsion, polyether trihydric alcohol (weight average molecular weight 3000), inorganic salt whisker (length 30um, aspect ratio 10, basic magnesium sulfate whisker), lead naphthenate , hydroquinone, diatomaceous earth, aluminum oxide fiber (0.1mm in length, 3μm in diameter) and alkyl sulfonic acid alcohol ether according to the weight of 100:80:0.4:0.7:20:4:20:55 ratio mixing, and carry out a contact reaction for 4 hours under the conditions of ultraviolet rays with a wavelength of 200nm and a temperature of 70°C to obtain component 2;
[0037]3) Mix component one and component two...
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