Modified melamine formaldehyde resin with high flexibility
A technology of melamine and formaldehyde resin, which is applied in the field of melamine resin production, can solve problems such as poor flexibility, and achieve the effects of increasing toughness, increasing stability and reducing brittleness
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Embodiment 1
[0023] A total of 100 kilograms of raw materials, which are made from the following raw materials in parts by weight:
[0024] Melamine: 100 parts;
[0025] Formaldehyde: 180 parts;
[0026] Isocyanurate: 12 parts;
[0027] Oleoyldiethanolamine: 6 parts;
[0028] Polyethylene glycol: 6 parts;
[0029] Nonylphenol polyoxyethylene ether (n=4): 4 parts;
[0030] Sodium hydroxide: 3 parts;
[0031] Alcohol: 45 parts;
[0032] Water: 25 parts.
[0033] Mix melamine, formaldehyde, sodium hydroxide, alcohol and water in sequence, heat to 80°C and stir for 10 minutes, then add isocyanurate, continue stirring for 1, then add oleoyl diethanolamine, polyethylene glycol, nonylphenol Oxyethylene ether (n=4), control the temperature at 80°C, stir evenly, cool to room temperature after complete dissolution, and obtain modified melamine formaldehyde resin.
Embodiment 2
[0035] A total of 100 kilograms of raw materials, which are made from the following raw materials in parts by weight:
[0036] Melamine: 100 parts;
[0037] Formaldehyde: 200 parts;
[0038] Isocyanurate: 16 parts;
[0039] Linoleoyldiethanolamine: 8 parts;
[0040] Polyethylene glycol: 8 parts;
[0041] Octylphenol polyoxyethylene ether (n=5): 5 parts;
[0042] Sodium hydroxide: 4 parts;
[0043] Alcohol: 50 parts;
[0044] Water: 30 parts.
[0045] Mix melamine, formaldehyde, sodium hydroxide, alcohol and water in turn, heat to 70°C and stir for 10 minutes, then add isocyanurate, continue stirring for 2 hours, then add linoleoyldiethanolamine, polyethylene glycol, octylphenol Polyoxyethylene ether (n=5), control the temperature at 60°C, stir evenly, cool to room temperature after complete dissolution, and obtain modified melamine formaldehyde resin.
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