Structural glue containing nano material
A nanomaterial and structural adhesive technology, applied in the direction of adhesives, epoxy resin adhesives, adhesive types, etc., can solve the problem that the mechanical properties and functional properties are not perfect and comprehensive, and it is not suitable for use in areas with large temperature differences between seasons. The problem of low compressive shear strength value of composite materials can be achieved to achieve excellent mechanical properties and functional properties, improve self-compacting properties, and improve shear strength.
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Example Embodiment
[0027] Example 1
[0028] A component:
[0029] E-44 type or E-51 type epoxy resin 100 parts
[0030] Liquid polysulfide rubber 25 parts
[0031] Cement (filler) 130 parts
[0032] Nano-SiO 23 copies
[0033] Component B:
[0034] Modified curing agent 25 parts
[0035] Accelerator 5 servings
[0036] 5 parts plasticizer
[0037] 70 parts of microsilica
[0038] Titanium powder 15 parts
[0039] 10 parts aluminum powder
[0040] 10 copies of KH-550 coupling agent.
[0041] This example is used conventionally.
Example Embodiment
[0042] Example 2
[0043] A component:
[0044] E-44 type or E-51 type epoxy resin 100 parts
[0045] Liquid polysulfide rubber 10 parts
[0046] Cement (filler) 150 parts
[0047] Nano-SiO 2 3 copies
[0048] Component B:
[0049] Modified curing agent 25 parts
[0050] Accelerator 5 servings
[0051] 5 parts plasticizer
[0052] 70 parts of microsilica
[0053] Titanium powder 15 parts
[0054] 30 parts aluminum powder
[0055] 10 copies of KH-550 coupling agent.
[0056] This embodiment has good high temperature resistance, corrosion resistance, oil resistance, and toughening effect, and is suitable for occasions with poor environmental conditions.
Example Embodiment
[0057] Example 3
[0058] A component:
[0059] E-44 type or E-51 type epoxy resin 100 parts
[0060] Liquid polysulfide rubber 15 parts
[0061] Cement (filler) 130 parts
[0062] Nano-SiO 2 5 servings
[0063] Component B:
[0064] Modified curing agent 35 parts
[0065] Accelerator 10 servings
[0066] 5 parts plasticizer
[0067] 70 parts of microsilica
[0068] Titanium powder 15 parts
[0069] 10 parts aluminum powder
[0070] KH-550 coupling agent 10 parts
[0071] This embodiment is an underwater curing type, which is suitable for humid environments or occasions with high impermeability requirements.
[0072] The epoxy resin structural adhesives prepared from the A and B components of Examples 1, 2, and 3 respectively have the properties of the cured samples as shown in Table 1:
[0073] Pilot projects
[0074] It can be seen from the above test data that the cohesive compressive strength and tensil...
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