Two-component silicone sealant for solar module resisting damp, heat and ageing and preparation method thereof
A solar module, silicone sealant technology, applied in chemical instruments and methods, adhesives, electrical components, etc., to achieve high room temperature strength, excellent moisture and heat aging resistance, and improve production efficiency.
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[0028] Example 1:
[0029] Add 100 parts of α,ω-dihydroxy polydimethylsiloxane with a viscosity of 5000 cps, 3 parts of methyl silicone oil with a viscosity of 20 cps, 100 parts of active nano-calcium carbonate, and 50 parts of silicon powder to the stirring tank by weight. In, control the stirring speed to 500 rpm, the temperature is 50 ℃, the vacuum degree is 0.09 ~ 0.10 MPa, stir for 3 hours, cool and pack to obtain component A;
[0030] According to parts by weight, 50 parts of MDT silicone oil, 10 parts of silyl-terminated polyether, 30 parts of MQ resin, 10 parts of methyl silicone oil, 10 parts of fumed silica, 0.5 parts of organic bentonite, 10 parts of tetramethoxysilane, 5 parts Tetraethoxysilane, 20 parts of methyltrimethoxysilane, 15 parts of dimethyldimethoxysilane, 5 parts of bis(3-triethoxysilylpropyl)amine, 2 parts of dilauric acid Add octyltin to the stirred tank, control the stirring speed to 500 rpm, the temperature is not higher than 50°C, the vacuum degree is...
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[0032] Example 2:
[0033] According to weight parts, 100 parts of α,ω-dihydroxy polydimethylsiloxane with a viscosity of 20000cps, 10 parts of MDT silicone oil with a viscosity of 2000cps, 80 parts of active nano calcium carbonate, 10 parts of mica powder, 10 parts of precipitation white Add carbon black to the stirring tank, control the stirring speed to 1200 rpm, the temperature is 100 ℃, the vacuum degree is 0.09 ~ 0.10 MPa, stir for 2 hours, cool and pack to obtain component A;
[0034] According to weight parts, 70 parts of methyl silicone oil, 20 parts of MQ resin, 10 parts of vinyl silicone oil, 20 parts of active nano calcium carbonate, 5 parts of precipitation white carbon black, 10 parts of tetramethoxysilane, 5 parts of tetrapropoxy Silane, 10 parts trimethoxysilane, 10 parts diethyldiethoxysilane, 5 parts γ-aminopropylmethyldiethoxysilane, 5 parts γ-aminopropyltriethoxysilane, 5 parts γ-methacryloxy trimethoxy silane, 6 parts γ-(2,3 glycidoxy) propyl trimethoxy silane...
Example Embodiment
[0036] Example 3:
[0037] According to weight parts, 100 parts of α,ω-dihydroxy polydimethylsiloxane with a viscosity of 50000cps, 20 parts of vinyl silicone oil with a viscosity of 500cps, 30 parts of active nano calcium carbonate, 5 parts of talcum powder, 15 parts of gas phase white Carbon black is added to the stirred tank, the stirring speed is controlled to 1000 revolutions per minute, the temperature is 50°C, the vacuum degree is 0.09 to 0.10 MPa, stirring for 1.5 hours, cooling and packaging to obtain component A;
[0038] According to weight parts, 20 parts of methyl silicone oil, 60 parts of silyl-terminated polyether, 20 parts of MQ resin, 20 parts of activated nano calcium carbonate, 10 parts of talc, 5 parts of fumed silica, 5 parts of mica powder, 0.5 parts Organobentonite, 10 parts of tetramethoxysilane, 4 parts of ethyltrimethoxysilane, 2 parts of ethyltriethoxysilane, 2 parts of vinyltrimethoxysilane, 2 parts of vinyltriethoxysilane, 15 Parts of γ-methacryloxytri...
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