Environment-friendly (methyl) acrylate modified rubber type adhesive and preparation process thereof
A technology of acrylate and modified rubber, which is applied in other rubber adhesives, natural rubber adhesives, adhesive additives, etc., and can solve problems such as poor dispersion, high cross-linking density, and accelerated decrease in adhesive strength. Achieve the effect of simple bonding process, high bonding strength and high bonding strength
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[0027] Example 1
[0028] ① Mix 100kg of natural rubber with 15kg of zinc oxide and 2kg of dicumyl peroxide through a two-roll mill;
[0029] ②Process the above-mentioned rubber compound into granules or other shapes, and then mix it with 35kg acrylic acid;
[0030] ③Put the above materials in a closed container and leave them at 40-100°C for 24 hours until the acrylic acid reacts with zinc oxide completely;
[0031] ④ Dry the above materials (40-100°C, 12-48 hours) or vacuum dry (40-100°C, 2-12 hours), remove the acrylic acid that may remain in the rubber compound and recover;
[0032] ⑤The above materials are further mixed uniformly on a two-roll mill and processed into flakes, granules, strips, etc., which can be used for direct vulcanization bonding of rubber and metal.
[0033] ⑥ Combine 100 kg of the above materials with 30 kg of toluene, 125 kg of ethyl acetate, 120 # A mixed solvent composed of 125 kg of gasoline is stirred and mixed evenly to form a glue slurry, which can be use...
Example Embodiment
[0035] Example 2
[0036] ① Mix 100kg of natural rubber with 15kg of zinc oxide and 2kg of dicumyl peroxide through a two-roll mill or internal mixer, screw extruder and other equipment;
[0037] ②Then add 40kg of acrylic acid to the above-mentioned materials on the open mixer and other equipment to mix evenly, and process the above-mentioned mixed rubber into granules, strips or other small size shapes;
[0038] ③Put the above materials in a closed container and leave them at 40-100°C for 24 hours until the acrylic acid reacts with zinc oxide completely;
[0039] ④ Dry the above materials (40-100°C, 12-48 hours) or vacuum dry (40-100°C, 2-12 hours), remove the acrylic acid that may remain in the rubber compound and recover;
[0040] ⑤The above materials are further mixed uniformly on a two-roll mill and processed into flakes, granules, strips, etc., which can be used for direct vulcanization bonding of rubber and metal.
[0041] ⑥ Mix 100 kg of the above materials with 30 kg of toluene,...
Example Embodiment
[0043] Example 3
[0044] ① Mix 100kg of natural rubber with 15kg of zinc oxide and 2kg of dicumyl peroxide through a two-roll mill or internal mixer, screw extruder and other equipment, and process the above-mentioned rubber mixture into pellets. , Strips or other small size shapes;
[0045] ② Stir 100kg of the above materials, 45kg of acrylic acid, 30kg of toluene, 125 kg of ethyl acetate, and 125 kg of 120# gasoline to dissolve;
[0046] ③Place the above materials in a closed container and stir at 40-100°C for 24 hours until the acrylic acid and zinc oxide have reacted completely; it can be used for metal surface coating, and then vulcanized and bonded with rubber.
[0047] The glue-type adhesive prepared in this embodiment is used to bond natural rubber to aluminum, 45# steel, and stainless steel that has not been surface-treated, and the damage forms are all natural rubber body damage.
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