A kind of water and oil repellent agent and water and oil repellent automobile glass
A water and oil repellent, automotive glass technology, applied in chemical instruments and methods, other chemical processes, coatings, etc., can solve problems such as glass surface treatment, achieve excellent wear resistance, and ensure driving safety.
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Embodiment 1
[0089] Wash the surface of the 150*150mm soda-lime-silicon float glass substrate with deionized water, and clean the surface of the glass substrate with a rotary plasma processor. The distance between the plasma gun head and the glass substrate is 7mm, and the moving speed of the glass substrate is 30mm / s; Prepare water and oil repellent C1, using 7200 produced by 3M Company as solvent;
[0090] Prepare 0.3% by weight of F (CF 2 CF 2 O) i (CF 2 O) j CF 2 CH 2 CH 2 OCH{CH 2 CH 2 Si(OCH 3 ) 3} 2 and 0.9% by weight of CF3(CF2)7(CH2)2(0CH3)3 mixed solution; the above-mentioned mixed solution of 1mL is coated on the glass substrate with a non-woven fabric, and then cured in an environment of 120 ° C for 30 minutes, Form a water-repellent and oil-repellent film layer.
Embodiment 2
[0092] Wash the surface of the 150*150mm soda-lime-silicon float glass substrate with deionized water, clean the surface of the glass substrate with a rotary plasma processor, the distance between the plasma gun head and the glass substrate is 10mm, and the moving speed of the glass substrate is 20mm / s; Prepare water and oil repellent C2, using perfluorobutyl methyl ether as solvent;
[0093] Prepare 1.2% by weight of F (CF 2 CF 2 O) i (CF 2 O) j CF 2 (CH 2 ) 3 OCH 2 C{CH 2 OC(O)NH(CH 2 ) 3 Si(OCH 3 ) 3} 3 and 0.6% by weight of CF3(CF2)7(CH2)2(0CH3)3 mixed solution; the above-mentioned mixed solution of 1mL is coated on the glass substrate with a non-woven fabric, and then cured in an environment of 150 ° C for 15 minutes, Form a water-repellent and oil-repellent film layer.
Embodiment 3
[0095] Wash the surface of the 150*150mm soda-lime-silicon float glass substrate with deionized water, and polish the surface of the glass substrate with 20% by weight of cerium oxide polishing liquid, then clean the cerium oxide polishing powder, and dry the glass substrate; Water and oil repellent C3, with 7200 produced by 3M Company as solvent, prepare a mixed solution of 0.5% by weight of DAIKIN Optool UD500 and 1.0% by weight of CF3(CF2)7(CH2)2SiCl3; use non-woven fabric to mix 1mL of the above The solution is coated on a glass substrate, and then cured in an environment of 150° C. for 30 minutes to form a water-repellent and oil-repellent film layer.
[0096] evaluate
[0097] The following evaluations were performed on the water and oil repellent film layers obtained in Comparative Examples 1 to 3 and Examples 1 to 3 above.
[0098] Water repellency and oil repellency evaluation
[0099] Water repellency is evaluated by water drop contact angle and sliding angle. Befo...
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Abstract
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