Environmental-protection organic silicon-modified polyether building sealant
A sealant and silicone technology, applied in the direction of polyether adhesives, adhesives, adhesive types, etc., can solve the problems of sealant aging, compatibility limitations, and different chemical structures, and achieve excellent sealing, waterproof, and adhesive Good adhesion and excellent effect
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preparation Embodiment 1
[0028] Prepare
[0029] Silicone modified polyether binder
[0030] 36 kg
[0031] 15.5 kg
[0032] Calcium Carbonate 40kg
[0033] Vinyltrimethoxysilane 6kg
[0034] Dibutyltin dilaurate 0.5 kg
[0035] Anti-aging agent 2 kg
[0036] The above components were mixed uniformly in a planetary mixer under vacuum, and then sealed and packaged in plastic bottles to obtain sealant A. The performance test results are shown in Table 1.
preparation Embodiment 2
[0038] Prepare
[0039] Silicone modified polyether binder
[0040] 30 kg
[0041] 28 kg
[0042] Calcium Carbonate 20kg
[0043] Titanium dioxide 10 kg
[0044] Mercaptopropyltrimethoxysilane 8kg
[0045] Dioctyltin dilaurate 2kg
[0046] Anti-aging agent 2 kg
[0047] The above components were mixed evenly in a planetary mixer under vacuum, and then sealed and packaged in plastic bottles to obtain sealant B. The performance test results are shown in Table 1.
preparation Embodiment 3
[0049] Prepare
[0050] Silicone modified polyether binder 1
[0051] 18 kg
[0052] Silicone modified polyether binder 2
[0053] 30 kg
[0054] 30 kg
[0055] Silica 12 kg
[0056] Aminoethylaminopropyltrimethoxysilane 8 kg
[0057] 1.5kg dibutyltin dipivalate
[0058] Anti-aging agent 0.5 kg
[0059] The above components were uniformly mixed in a planetary mixer under vacuum, and then sealed and packaged in plastic bottles to obtain sealant C. The performance test results are shown in Table 1.
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