Special low temperature adhesion promoter for PVC plastisol and preparation thereof
An adhesion promoter, low temperature technology, applied in the direction of adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problems of aging, reduce the protection effect, the electrophoretic paint board is easily corroded, and achieve a low curing temperature. , the effect of high adhesion
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Example Embodiment
[0011] Example one:
[0012] Add fatty acids into the reactor, heat up to 220°C and keep it for 4 hours, add N-aminoethylpiperazine and diethylenetriamine, and then continue to react for 1.5 hours under vacuum conditions. At the end of the reaction, cool to 140°C, add dilution Agent, stir evenly and cool to room temperature to obtain adhesion promoter. The percentages of the above-mentioned components in the mass of the synthesized product are 30% for fatty acid, 50% for N-aminoethylpiperazine, 20% for tetraethylenepentamine, and 35% for diluent.
Example Embodiment
[0013] Embodiment two:
[0014] Add fatty acids into the reactor, heat up to 235°C and keep it warm for 5.5 hours, add N-aminoethylpiperazine and triethylenetetramine, and then continue to react for 2.5 hours under vacuum conditions. After the reaction, the temperature is reduced to 155°C, and diluted Agent, stir evenly and cool to room temperature to obtain adhesion promoter. The percentages of the above-mentioned components in the mass of the synthesized product are 20% for fatty acid, 40% for N-aminoethylpiperazine, 40% for diethylenetriamine, and 45% for diluent.
Example Embodiment
[0015] Embodiment three:
[0016] Add fatty acid into the reactor, heat up to 245℃ and keep it for 3 hours, add N-aminoethylpiperazine and tetraethylenepentamine, then continue the reaction under vacuum for 1 hour, after the reaction, cool down to 180℃, add dilution Agent, stir evenly and cool to room temperature to obtain adhesion promoter. The percentages of the above-mentioned components in the mass of the synthesized product are respectively 45% for fatty acid, 35% for N-aminoethylpiperazine, 55% for triethylenetetramine, and 25% for diluent.
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