High-performance sealant for building assembling and preparation method thereof
A sealant, high-performance technology, used in chemical instruments and methods, adhesives, transportation and packaging, etc., can solve the problems of mildew resistance and adhesion with concrete, not environmentally friendly, affecting colloid performance, etc., to reduce Colloidal tensile modulus, good aging resistance, and the effect of improving bonding performance
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[0037] Example 1
[0038] A high-performance sealant for building assembly, comprising the following components:
[0039] Element Weight (kg) Silane modified polyether 30000T 30 Polyether polyol PPG 5616 8 Hydrogenated Bisphenol A Diglycidyl Ether 2 Nano light calcium carbonate 40 BYK-W 985 1 γ-Aminopropyltriethoxysilane 1.5 Fumed silica R202 1.5 Anti-aging agent 0.9 Antifungal agent SZ99P 0.2 coupling agent 0.3 Dibutyltin bis(acetylacetonate) 0.1
[0040] Among them, the anti-aging agent consists of β-(4-hydroxyphenyl-3,5-di-tert-butyl) propionic acid n-octadecyl alcohol: 2'-(2'-hydroxy-3'-tert-butyl-5' -Methylphenyl)-5-chlorobenzotriazole: bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate in a weight ratio of 3:2:2 . The coupling agent is prepared by mixing N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane:bis(acetoethyl acetate)di-n-butoxytitanate in a weight ratio of 1:1.
[0041] The preparation...
Example Embodiment
[0046] Example 2
[0047] A high-performance sealant for building assembly, comprising the following components:
[0048]
[0049]
[0050] Among them, the anti-aging agent consists of β-(4-hydroxyphenyl-3,5-di-tert-butyl) propionic acid n-octadecyl alcohol: 2'-(2'-hydroxy-3'-tert-butyl-5' -Methylphenyl)-5-chlorobenzotriazole: bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate in a weight ratio of 3:2:2 . The coupling agent is prepared by mixing N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane:bis(acetoethyl acetate)di-n-butoxytitanate in a weight ratio of 1:1.
[0051] The preparation method of above-mentioned sealant is as follows:
[0052] First add silane-modified polyether 30000T, polyether polyol PPG 5616, hydrogenated bisphenol A diglycidyl ether, BYK-W985, and fumed silica R202 into the twin-shaft power mixer, stir and revolve for 10 r / min, and disperse The rotating speed is 200r / min, and stirring is for 15min; then antiaging agent and SZ99P antifungal agent are ad...
Example Embodiment
[0057] Example 3
[0058] A high-performance sealant for building assembly, comprising the following components:
[0059] Element Weight (kg) Silane modified polyether 30000T 50 Polyether polyol PPG 5616 11.2 Hydrogenated Bisphenol A Diglycidyl Ether 2.8 Nano heavy calcium 35 BYK-W 985 1.2 Vinyltris(2-methoxyethoxy)silane 1 Fumed silica R202 3 Anti-aging agent 2.4 Antifungal agent SZ99P 1.5 coupling agent 0.8 Dibutyltin bis(acetylacetonate) 0.2
[0060] Among them, the anti-aging agent consists of β-(4-hydroxyphenyl-3,5-di-tert-butyl) propionic acid n-octadecyl alcohol: 2'-(2'-hydroxy-3'-tert-butyl-5' -Methylphenyl)-5-chlorobenzotriazole: bis(2,2,6,6-tetramethyl-4-piperidinyl)sebacate in a weight ratio of 3:2:2 . The coupling agent is prepared by mixing N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane:bis(acetoethyl acetate)di-n-butoxytitanate in a weight ratio of 1:1.
[0061] The preparation me...
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