Solidifying agent of epoxy resin for reinforcing and sealing, and method of preparing the same
A technology for epoxy resin curing and sealing, applied in the field of epoxy resin curing agent, can solve problems such as poor activity, affect construction, and difficult to cure, and achieve the effects of avoiding the risk of high temperature and high pressure synthesis, simple production method, and mild curing
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Embodiment 1
[0053] (1) Building and bridge reinforcement adhesive ratio (weight ratio)
[0054] CYD128 (epoxy resin) 100
[0055] EPG660 (reactive diluent) 15
[0056] Fumed silica (thickener) 1~3
[0057] This curing agent 45
[0058] Filler (silica powder, calcium carbonate, etc.) 15~30
[0059] KH-550 (coupling agent) 1
[0060] DMP-30 (accelerator) 0.5~1.5
[0061] Pigment (toner) 0.5~2.0
[0062] (2) Preparation method
[0063] Weigh CYD128, EPG660 and fumed silica according to the formula, stir well, then add filler, KH-550, stir well, finally add this curing agent, DMP-30 and pigment, stir well and proceed to construction.
Embodiment 2
[0065] (1) Proportion of sealing adhesive (weight ratio)
[0066] CYD128 (epoxy resin) 50
[0067] E-44 (epoxy resin) 50
[0068] EPG660 (reactive diluent) 5
[0069] Fumed silica (thickener) 1~4
[0070] This curing agent 50
[0071] Filler (silica powder, calcium carbonate, etc.) 0~50
[0072] KH-550 (coupling agent) 1
[0073] DMP-30 (accelerator) 0.5~1.5
[0074] Pigment (toner) 0~2
[0075] (2) Preparation method
[0076] Weigh CYD128, E-44, EPG660, fumed silica according to the ratio, stir evenly, then add filler, KH-550, stir evenly, finally add this curing agent, DMP-30 and pigment, stir well and carry out sealing and bonding .
[0077] 3. Effect verification
[0078] According to the mechanical performance test (shown in the table below) of the building and bridge reinforcement adhesive prepared according to embodiment 1
[0079] The table uses this curing agent to prepare the mechanical properties of building and bridge reinforcement adhesives
[0080]
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