Medium-temperature and quickly-cured colorless transparent epoxy resin curing agent and preparation method thereof
A transparent epoxy resin and epoxy resin curing technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of electronic components damage, hard and brittle texture, lead wire breakage, etc., to improve insulation resistivity, High insulation resistivity and the effect of improving toughness
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[0023] A kind of colorless and transparent epoxy resin curing agent of fast curing at medium temperature, the parts by weight of its components are:
[0024] Triethanolamine 60
[0025] Propylene carbonate 28
[0026] Ethylenediamine 12 .
[0027] The preparation method of epoxy resin curing agent is as follows:
[0028] (1) Weigh the raw materials according to the formula ratio;
[0029] (2) Add the weighed triethanolamine and propylene carbonate into the reaction kettle and stir evenly;
[0030] (3) Then, add ethylenediamine into the reaction kettle several times, and stir to mix. After all the ethylenediamine is added, stir for about half an hour, remove the water by vacuuming, and after the sampling test is qualified, you can Discharge.
[0031] Example: Epoxy resin E 44 or E 51 It is mixed with the curing agent of the present invention at a ratio of 100 to 30 by weight, and can be poured into electronic products after being evenly mixed, and finally placed in an ...
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