Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and the preparation method that provides a kind of building glass thermal insulating coating, gained coating coating of the present invention has excellent weather-proof, chemicals-resistant, water-fast, hardness performance.
A preparation method for building glass thermal insulating coating, comprises the following steps:
Step 1, with parts by weight, ATO nano powder 20 ~ 30 parts, 2 ~ 7 parts, Yelkin TTS, ten trifluoro octyltri-ethoxysilane 1 ~ 8 part, dioctyl succinate disulfonate acid 2 ~ 9 parts are added in deionized water 40 ~ 60 parts, stir, then add silicon carbide whisker 2 ~ 6 parts, drip the sodium hydroxide solution 10 ~ 20 parts that mass concentration is 1% while stirring, continue to be stirred to and generate without precipitation, filtering-depositing, through deionization cleaning post-drying, obtains heat insulation powder;
Step 2, with parts by weight, by heat insulation for step 1 gained powder 20 ~ 40 parts, SiO
2particle 5 ~ 12 parts and Silane coupling reagent KH-570 3 ~ 9 parts mixing, mixture grinds on ball mill, obtains function powder;
Step 3, with parts by weight, function powder 10 ~ 30 parts is mixed with 5 ~ 9 parts, tetrafluoroethylene wax powder, supervinyi chloride resin 2 ~ 7 parts, zinc phosphate 1 ~ 4 part, polyacrylamide 1 ~ 3 part, 2 ~ 6 parts, N.F,USP MANNITOL, chitosan 3 ~ 7 parts, anti ultraviolet agent 1 ~ 6 part, 2 ~ 5 parts, oxidation inhibitor, stir.
Further, in step 1, bake out temperature is 110 ~ 140 DEG C, and the time is 20 ~ 40min.
Further, silicon carbide whisker diameter is 0.6 ~ 0.8 μm, length is 30 ~ 40 μm.
Further, the particle diameter of function powder is 40 ~ 60 μm.
Further, anti ultraviolet agent is UV-326, UV-327 or UV-531.
Further, oxidation inhibitor is Hinered phenols antioxidant, such as: antioxidant 264, antioxidant 1076.
Further, in step 3, whipping temp is 30 ~ 50 DEG C, and the time is 20 ~ 40min, and speed is 300 ~ 600rpm.
Further, also need in step 3 to add dimethylol propionic acid 3 ~ 7 parts.
Coating of the present invention has excellent weather-proof, chemicals-resistant, water-fast, hardness performance.
Embodiment
Embodiment 1
A preparation method for building glass thermal insulating coating, comprises the following steps:
Step 1, with parts by weight, ATO nano powder 20 parts, 2 parts, Yelkin TTS, ten trifluoro octyltri-ethoxysilane 1 part, dioctyl succinate disulfonate acid 2 parts are added in deionized water 40 parts, stir, then add silicon carbide whisker 2 parts, drip the sodium hydroxide solution 10 parts that mass concentration is 1% while stirring, continue to be stirred to and generate without precipitation, filtering-depositing, through deionization cleaning post-drying, obtains heat insulation powder;
Step 2, with parts by weight, by heat insulation for step 1 gained powder 20 parts, SiO
2particle 5 parts and Silane coupling reagent KH-570 3 parts mixing, mixture grinds on ball mill, obtains function powder;
Step 3, with parts by weight, mixes function powder 10 parts with 5 parts, tetrafluoroethylene wax powder, supervinyi chloride resin 2 parts, zinc phosphate 1 part, polyacrylamide 1 part, 2 parts, N.F,USP MANNITOL, chitosan 3 parts, anti ultraviolet agent 1 part, 2 parts, oxidation inhibitor, stirs.
Wherein, in step 1, bake out temperature is 110 DEG C, and the time is 40min; Silicon carbide whisker diameter is 0.6 μm, length is 30 μm; The particle diameter of function powder is 40 μm; Anti ultraviolet agent is UV-326; Oxidation inhibitor is antioxidant 264; In step 3, whipping temp is 30 DEG C, and the time is 40min, and speed is 300rpm.
Embodiment 2
A preparation method for building glass thermal insulating coating, comprises the following steps:
Step 1, with parts by weight, ATO nano powder 22 parts, 6 parts, Yelkin TTS, ten trifluoro octyltri-ethoxysilane 4 parts, dioctyl succinate disulfonate acid 7 parts are added in deionized water 45 parts, stir, then add silicon carbide whisker 5 parts, drip the sodium hydroxide solution 14 parts that mass concentration is 1% while stirring, continue to be stirred to and generate without precipitation, filtering-depositing, through deionization cleaning post-drying, obtains heat insulation powder;
Step 2, with parts by weight, by heat insulation for step 1 gained powder 25 parts, SiO
2particle 5 parts and Silane coupling reagent KH-570 8 parts mixing, mixture grinds on ball mill, obtains function powder;
Step 3, with parts by weight, mixes function powder 15 parts with 7 parts, tetrafluoroethylene wax powder, supervinyi chloride resin 4 parts, zinc phosphate 3 parts, polyacrylamide 2 parts, 5 parts, N.F,USP MANNITOL, chitosan 5 parts, anti ultraviolet agent 3 parts, 4 parts, oxidation inhibitor, stirs.
Wherein, in step 1, bake out temperature is 130 DEG C, and the time is 30min; Silicon carbide whisker diameter is 0.7 μm, length is 35 μm; The particle diameter of function powder is 50 μm; Anti ultraviolet agent is UV-531; Oxidation inhibitor is antioxidant 1076; In step 3, whipping temp is 40 DEG C, and the time is 30min, and speed is 500rpm.
Embodiment 3
A preparation method for building glass thermal insulating coating, comprises the following steps:
Step 1, with parts by weight, ATO nano powder 27 parts, 6 parts, Yelkin TTS, ten trifluoro octyltri-ethoxysilane 7 parts, dioctyl succinate disulfonate acid 5 parts are added in deionized water 50 parts, stir, then add silicon carbide whisker 4 parts, drip the sodium hydroxide solution 18 parts that mass concentration is 1% while stirring, continue to be stirred to and generate without precipitation, filtering-depositing, through deionization cleaning post-drying, obtains heat insulation powder;
Step 2, with parts by weight, by heat insulation for step 1 gained powder 35 parts, SiO
2particle 5 parts and Silane coupling reagent KH-570 6 parts mixing, mixture grinds on ball mill, obtains function powder;
Step 3, with parts by weight, mixes function powder 25 parts with 8 parts, tetrafluoroethylene wax powder, supervinyi chloride resin 5 parts, zinc phosphate 3 parts, polyacrylamide 2 parts, 5 parts, N.F,USP MANNITOL, chitosan 6 parts, anti ultraviolet agent 3 parts, 4 parts, oxidation inhibitor, stirs.
Wherein, in step 1, bake out temperature is 130 DEG C, and the time is 20min; Silicon carbide whisker diameter is 0.7 μm, length is 40 μm; The particle diameter of function powder is 50 μm; Anti ultraviolet agent is UV-327; Oxidation inhibitor is antioxidant 264; In step 3, whipping temp is 40 DEG C, and the time is 30min, and speed is 500rpm.
Embodiment 4
A preparation method for building glass thermal insulating coating, comprises the following steps:
Step 1, with parts by weight, ATO nano powder 30 parts, 7 parts, Yelkin TTS, ten trifluoro octyltri-ethoxysilane 8 parts, dioctyl succinate disulfonate acid 9 parts are added in deionized water 60 parts, stir, then add silicon carbide whisker 6 parts, drip the sodium hydroxide solution 20 parts that mass concentration is 1% while stirring, continue to be stirred to and generate without precipitation, filtering-depositing, through deionization cleaning post-drying, obtains heat insulation powder;
Step 2, with parts by weight, by heat insulation for step 1 gained powder 40 parts, SiO
2particle 5 parts and Silane coupling reagent KH-570 9 parts mixing, mixture grinds on ball mill, obtains function powder;
Step 3, with parts by weight, mixes function powder 30 parts with 9 parts, tetrafluoroethylene wax powder, supervinyi chloride resin 7 parts, zinc phosphate 4 parts, polyacrylamide 3 parts, 6 parts, N.F,USP MANNITOL, chitosan 7 parts, anti ultraviolet agent 6 parts, 5 parts, oxidation inhibitor, stirs.
Wherein, in step 1, bake out temperature is 110 DEG C, and the time is 40min; Silicon carbide whisker diameter is 0.6 μm, length is 30 μm; The particle diameter of function powder is 40 μm; Anti ultraviolet agent is UV-326; Oxidation inhibitor is antioxidant 264; In step 3, whipping temp is 30 DEG C, and the time is 40min, and speed is 300rpm.
Embodiment 5
The difference of the present embodiment and embodiment 3 is: also need in step 3 to add dimethylol propionic acid 3 ~ 7 parts.
A preparation method for building glass thermal insulating coating, comprises the following steps:
Step 1, with parts by weight, ATO nano powder 27 parts, 6 parts, Yelkin TTS, ten trifluoro octyltri-ethoxysilane 7 parts, dioctyl succinate disulfonate acid 5 parts are added in deionized water 50 parts, stir, then add silicon carbide whisker 4 parts, drip the sodium hydroxide solution 18 parts that mass concentration is 1% while stirring, continue to be stirred to and generate without precipitation, filtering-depositing, through deionization cleaning post-drying, obtains heat insulation powder;
Step 2, with parts by weight, by heat insulation for step 1 gained powder 35 parts, SiO
2particle 5 parts and Silane coupling reagent KH-570 6 parts mixing, mixture grinds on ball mill, obtains function powder;
Step 3, with parts by weight, function powder 25 parts is mixed with 8 parts, tetrafluoroethylene wax powder, supervinyi chloride resin 5 parts, zinc phosphate 3 parts, polyacrylamide 2 parts, 5 parts, N.F,USP MANNITOL, chitosan 6 parts, anti ultraviolet agent 3 parts, 4 parts, oxidation inhibitor, dimethylol propionic acid 6 parts, stirs.
Wherein, in step 1, bake out temperature is 130 DEG C, and the time is 20min; Silicon carbide whisker diameter is 0.7 μm, length is 40 μm; The particle diameter of function powder is 50 μm; Anti ultraviolet agent is UV-327; Oxidation inhibitor is antioxidant 264; In step 3, whipping temp is 40 DEG C, and the time is 30min, and speed is 500rpm.
At ambient temperature, be coated in embodiment 1 to 5 gained paint brush without on the pretreated glass baseplate of surface second, then coating is carried out performance test, result is as follows:
|
Embodiment 1 |
Embodiment 2 |
Embodiment 3 |
Embodiment 4 |
Embodiment 5 |
Examination criteria |
Sticking power/level |
1 |
1 |
1 |
1 |
0 |
GB/T9286-1998 |
Hardness |
2H |
2H |
2H |
2H |
3H |
GB/T6739-2006 |
Scratch resistance |
1300g |
1300g |
1300g |
1300g |
1700g |
GB/T9279-2007 |
Water tolerance |
96h |
96h |
96h |
96h |
120h |
GB/T1733-1993 |
Temperature-change resistance |
Without exception |
GB/T25-1999 |
Ultraviolet aging resistance |
Non-foaming, do not peel off, flawless |
GB/T1766-2008 |
As seen from the above table, coating of the present invention has excellent weather-proof, chemicals-resistant, water-fast, hardness performance.