High-performance pnenolic aldehyde amine hardener for epoxy resin and preparation thereof
A technology for phenalkamine curing agent and epoxy resin, which is applied in the field of high-performance phenalkamine curing agent for epoxy resin and its preparation, which can solve the problems of low strength, high brittleness of adhesive, and influence on construction and application, and achieve simple production method , avoid risks, and solve the effect of low intensity in the later stage
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[0048] Example 1
[0049] (1) Building and bridge reinforcement adhesive components (weight percentage)
[0050] CYD128 (epoxy resin) 100
[0051] EPG660 (reactive diluent) 15
[0052] Fumed silica (thickener) 1~3
[0053] The curing agent 35
[0054] Filler (microsilica powder, calcium carbonate, etc.) 15~30
[0055] KH-550 (coupling agent) 1
[0056] DMP-30 (accelerator) 0.5~1.5
[0057] Pigment (toner) 0.5~2.0
[0058] (2) Preparation method
[0059] Weigh CYD128, EPG660, and fumed silica according to the formula, stir well, then add filler and KH-550, stir evenly, and finally add the curing agent, DMP-30 and pigment, stir evenly and carry out construction.
Example Embodiment
[0060] Example 2
[0061] (1) Sealant adhesive components (weight percentage)
[0062] CYD128 (epoxy resin) 50
[0063] E-44 (epoxy resin) 50
[0064] EPG660 (reactive diluent) 5
[0065] Fumed silica (thickener) 1~4
[0066] The curing agent 35
[0067] Filler (microsilica powder, calcium carbonate, etc.) 0~50
[0068] KH-550 (coupling agent) 1
[0069] DMP-30 (accelerator) 0.5~1.5
[0070] Pigment (toner) 0~2
[0071] (2) Preparation method
[0072] Weigh CYD128, E-44, EPG660, and fumed silica according to the ratio, stir evenly, then add filler and KH-550, stir evenly, and finally add the curing agent, DMP-30 and pigment, stir evenly and seal and bond .
[0073] Three, effect verification
[0074] Mechanical performance test of the building and bridge reinforcement adhesive prepared according to Example 1 (see Table 1)
[0075] Table 1 The mechanical properties of repair glue prepared with this curing agent
[0076]Take the repair glue in GB50367-2006 concrete structure reinfor...
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