Normal-temperature curing silicate high-temperature resistant binder and preparation method thereof
A room temperature curing and adhesive technology, applied in non-polymer adhesive additives, adhesives, inorganic adhesives, etc., can solve problems such as affecting the performance of bonded products and increasing inconvenience in construction, avoiding adverse effects, reducing Cost investment, the effect of improving high temperature resistance
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Embodiment 1
[0036] The composition raw material of present embodiment high temperature resistant adhesive is as follows:
[0037] Water glass (modulus 2.5) 60%
[0038] Aluminum oxide powder (fineness 500) 20%
[0039] Alumina chopped fibers (length to diameter ratio 20:1) 10%
[0040] Silicon nitride (fineness 500) 6%
[0041] Lanthanum oxide (fineness 500) 2%
[0042] Zirconium diboride (fineness 500) 2%.
[0043] The preparation process of the high temperature resistant adhesive product of the embodiment of the present invention is as follows:
[0044] Grind alumina powder, silicon nitride, lanthanum oxide, and zirconium diboride for more than 30 minutes, mix evenly, add alumina chopped fibers into water glass, and gradually stir until uniformly dispersed before use. The application period is about 1.5h.
[0045] The fiber-reinforced high-temperature-resistant adhesive of the embodiment of the present invention can be completely cured after standing for 48 hours at normal tempera...
Embodiment 2
[0047] The composition raw material of present embodiment high temperature resistant adhesive is as follows:
[0048] Water glass (modulus 3.3) 50%
[0049] Aluminum oxide powder (fineness 200) 30%
[0050] Alumina chopped fibers (length-to-diameter ratio 5:1) 5%
[0051] Silicon nitride (fineness 200) 5%
[0052] Lanthanum oxide (fineness 200) 5%
[0053] Zirconium diboride (fineness 200) 5%.
[0054] The preparation process of the high temperature resistant adhesive product of the embodiment of the present invention is as follows:
[0055] Grind alumina powder, silicon nitride, lanthanum oxide, and zirconium diboride for 40 minutes, mix evenly, add alumina chopped fibers into water glass, and gradually stir until uniformly dispersed before use. The application period is about 1.5h.
[0056] The fiber-reinforced high-temperature-resistant adhesive of the embodiment of the present invention can be completely cured after standing for 48 hours at normal temperature and pre...
Embodiment 3
[0058] The composition raw material of present embodiment high temperature resistant adhesive is as follows:
[0059] Water glass (modulus 2.0) 40%
[0060] Aluminum oxide powder (fineness 300) 40%
[0061] Alumina Chopped Fiber (Aspect Ratio 10:1) 10%
[0062] Silicon nitride (fineness 200) 5%
[0063] Lanthanum oxide (fineness 100) 2%
[0064] Zirconium diboride (fineness 500) 3%.
[0065] The preparation process of the high temperature resistant adhesive product of the embodiment of the present invention is as follows:
[0066] Grind alumina powder, silicon nitride, lanthanum oxide, and zirconium diboride for more than 30 minutes, mix evenly, add alumina chopped fibers into water glass, and gradually stir until uniformly dispersed before use. The application period is about 1.7h.
[0067] The fiber-reinforced high-temperature-resistant adhesive of the embodiment of the present invention can be completely cured after standing for 48 hours at normal temperature and pres...
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