Single-component silane modified polyether sealant used in automobile glass rapid assembling, and preparation method thereof
A technology of silane-modified polyether and automotive glass, which is applied in the direction of polyether adhesives, adhesives, adhesive types, etc., and can solve the problem of insufficient initial bonding strength and poor operation convenience of silane-modified polyether sealants Improve production assembly efficiency, fast bonding and positioning, and save operating time.
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Example Embodiment
[0043] Example 1
[0044] The weight ratios of the components of Example 1 are as follows in Table 1:
[0045] Table 1
[0046]
[0047] Preparation
[0048] (1) Dry nano-calcium carbonate and high specific carbon black at 120°C for 3 hours, and then set aside;
[0049] (2) S303H, SAX530, phenyl alkyl sulfonate, polyamide wax, nano calcium carbonate, high specific carbon black and 20% by mass of vinyl trimethoxysilane are sequentially added to the planetary kettle, and dispersed at high speed for 30 min~ 40min; then stir for 20min~30min under the condition of vacuum degree -0.09MPa~-0.1MPa;
[0050] (3) Add Tinuvin 326, Tinuvin 770, Irganox 1010, ethyl orthosilicate, 80% by mass of vinyltrimethoxysilane and dibutyltin bis(acetylacetonate) are mixed uniformly, and stirred for 20min-40min under the condition of vacuum degree -0.09MPa--0.1MPa, and then the material is discharged.
Example Embodiment
[0051] Example 2
[0052] The weight ratios of the components of Example 2 are as follows in Table 2:
[0053] Table 2
[0054]
[0055] Preparation
[0056] (1) Dry nano-calcium carbonate and high specific carbon black at 120°C for 3 hours, and then set aside;
[0057] (2) Add SAX400, SAX580, alkyl phenyl sulfonate, polyamide wax, nano calcium carbonate, high specific carbon black and 20% by mass vinyl trimethoxysilane to the planetary kettle in sequence, and disperse at high speed for 30min~ 40min; then stir for 20min~30min under the condition of vacuum degree -0.09MPa~-0.1MPa;
[0058] (3) Add Tinuvin 326, Tinuvin 770, Irganox 1010, ethyl orthosilicate, N-β-(aminoethyl)-γ-aminopropyl methyldimethoxysilane, and γ-glycidyl ether oxypropylene in sequence. Trimethoxysilane, 80% by mass of vinyltrimethoxysilane, and dibutyltin bis(acetylacetonate) are mixed uniformly, and stirred for 20min~40min under the condition of -0.09MPa~-0.1MPa, Get it out of the material.
Example Embodiment
[0059] Example 3
[0060] The weight ratios of the components of Example 3 are as follows in Table 3:
[0061] table 3
[0062]
[0063] Preparation
[0064] (1) Dry nano-calcium carbonate and high specific carbon black at 120°C for 3 hours, and then set aside;
[0065] (2) Add SAX400, SAX580, cyclohexane 1,2-diisononyl dicarboxylate, polyamide wax, nano calcium carbonate, high specific carbon black and 20% vinyl trimethoxy in the planetary kettle in sequence Silane, disperse at high speed for 30min-40min; then stir under the condition of -0.09MPa~-0.1MPa for 20min~30min;
[0066] (3) Add Tinuvin 326, Tinuvin 770, Irganox 1010, ethyl orthosilicate, 80% by mass of vinyltrimethoxysilane and dibutyltin bis(acetylacetonate) are mixed uniformly, and stirred for 20min-40min under the condition of vacuum degree -0.09MPa--0.1MPa, and then the material is discharged.
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