Method for dissolving epoxy resin
An epoxy resin, complete dissolving technology, applied in the chemical industry, can solve the problems of long dissolution, heating and dispersion, high solvent toxicity, etc., and achieve the effects of short time consumption, wide applicability and low energy consumption
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Embodiment 1
[0019] Dissolve the macromolecular epoxy resin (NPES-907 of Taiwan Nanya Company) in the mixed solvent of aromatic hydrocarbon and propylene glycol ether, and use the reflux stirring method of the reactor to dissolve it completely, then cool it, and set up six groups of experiments. See Table 1-1 for specific process conditions.
[0020] Table 1-1 Six groups of experimental dissolution process parameters
[0021] Dissolving process
group 1
group 2
group 3
group 4
Group 5
Group 6
Dissolving temperature / ℃
45
45
50
50
55
55
Reflux dispersion time / min
20
40
20
40
20
40
[0022] Table 1-2 Distribution ratio of each group in six groups of experiments (unit: parts by weight)
[0023] components
group 1
group 2
group 3
group 4
Group 5
Group 6
macromolecular epoxy resin
30
30
45
45
60
60
35
0
20...
Embodiment 2
[0029] Dissolve the macromolecular epoxy resin (DER-669 from Dow, USA) in a mixed solvent of aromatic hydrocarbon and propylene glycol ether, and stir it to dissolve completely by using the reflux stirring method of the reactor, and then cool it down. Six groups of experiments are set up. , see Table 2-1 for specific process conditions.
[0030] Table 2-1 Six groups of experimental dissolution process parameters
[0031] Dissolving process
group 1
group 2
group 3
group 4
Group 5
Group 6
Dissolving temperature / ℃
45
45
50
50
55
55
Reflux dispersion time / min
30
60
30
60
30
60
[0032] Table 2-2 Distribution ratio of each group in six experiments (unit: parts by weight)
[0033] components
group 1
group 2
group 3
group 4
Group 5
Group 6
macromolecular epoxy resin
30
30
45
45
60
60
35
0
20 ...
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