Waterproof flame-retardant adhesive and preparation method thereof
A flame-retardant adhesive and modification technology, applied in the direction of adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problems of flammability, poor water resistance, etc., to reduce attractiveness, improve hydrophobic performance, improve resistance The effect of flammability
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Embodiment 1
[0036] A waterproof and flame-retardant adhesive is prepared from the following raw materials in parts by weight: 45 parts of modified hydroxy acrylic resin, 1 part of methyl ethyl ketone, 2 parts of trichloroethyl phosphate, 1 part of p-tert-butyl catechol, 3 parts of dicyandiamide, 2 parts of vinyltriethoxysilane, 12 parts of talc, and 4 parts of modified aluminum hydroxide.
[0037] Wherein, the preparation method of modified hydroxy acrylic resin comprises the following steps:
[0038] (1) 120mL of dioxane and 0.05mol of azobisisobutyronitrile were added to the four-necked flask, flushed with nitrogen, then heated to 50° C., then hydroxyacrylic acid was added to the four-necked flask, stirred for 40min, to obtain Hydroxy acrylic resin prepolymer;
[0039](2) 3mol / L of dilute hydrochloric acid solvent was slowly added dropwise to the hydroxyacrylic acid prepolymer, pH was adjusted to 4, the temperature was raised to 55°C, then 0.3mol methyl ethoxy silicone oil was added, a...
Embodiment 2
[0054] A waterproof and flame-retardant adhesive is prepared from the following raw materials in parts by weight: 50 parts of modified hydroxy acrylic resin, 2 parts of methyl ethyl ketone, 3 parts of trichloroethyl phosphate, 1 part of p-tert-butylcatechol, 4 parts of dicyandiamide, 3 parts of vinyltriethoxysilane, 14 parts of talc, and 5 parts of modified aluminum hydroxide.
[0055] Wherein, the preparation method of modified hydroxy acrylic resin comprises the following steps:
[0056] (1) 123mL of dioxane and 0.06mol of azobisisobutyronitrile were added to the four-necked flask, flushed with nitrogen, then heated to 52° C., then hydroxyacrylic acid was added to the four-necked flask, stirred for 45min, to obtain Hydroxy acrylic resin prepolymer;
[0057] (2) 3.2mol / L of dilute hydrochloric acid solvent was slowly added dropwise to the hydroxyacrylic acid prepolymer, the pH was adjusted to 4.2, the temperature was raised to 58°C, then 0.32mol methyl ethoxy silicone oil wa...
Embodiment 3
[0072] A waterproof and flame-retardant adhesive is prepared from the following raw materials in parts by weight: 55 parts of modified hydroxy acrylic resin, 3 parts of methyl ethyl ketone, 5 parts of trichloroethyl phosphate, 2 parts of p-tert-butyl catechol, 5 parts of dicyandiamide, 4 parts of vinyltriethoxysilane, 15 parts of talc, and 6 parts of modified aluminum hydroxide.
[0073] Wherein, the preparation method of modified hydroxy acrylic resin comprises the following steps:
[0074] (1) 125mL of dioxane and 0.06mol of azobisisobutyronitrile were added to the four-necked flask, flushed with nitrogen, then heated to 55°C, then hydroxyacrylic acid was added to the four-necked flask, stirred for 50min, to obtain Hydroxy acrylic resin prepolymer;
[0075] (2) 3.5mol / L of dilute hydrochloric acid solvent was slowly added dropwise to the hydroxyacrylic acid prepolymer, the pH was adjusted to 4.5, the temperature was raised to 60°C, then 0.35mol methyl ethoxy silicone oil wa...
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