A kind of processing method of run-flat tire
A technology of explosion-proof tires and processing methods, which is applied to tires, household appliances, and other household appliances. It can solve the problems of increasing the probability of tire blowout, strong pressure, and easy further expansion, etc., and achieves the effect of increasing tensile tension and delaying tire damage.
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Embodiment 1
[0032] Embodiment one: a kind of processing method of run-flat tire, comprises the steps:
[0033] 1. Preparation of epoxy resin microcapsules:
[0034] Take 12g of urea, 12.6g of melamine, and 15mL of formaldehyde solution with a mass percentage of 30% to stir and mix, add NH 4 Cl adjusted the pH of the solution to 2, and stirred at a stirring speed of 500r / min, heated the solution to 60°C and reacted for 3.5h to obtain a resin prepolymer;
[0035] Take 20mL of epoxy resin emulsion with a mass percentage of 5% and 10mL of resin prepolymer, stir and mix, adjust the pH of the solution to 4 with triethanolamine, and polymerize at 70°C for 3 hours to prepare epoxy resin microcapsules, and keep the stirring speed during the polymerization It is 650r / min.
[0036] 2. Preparation of reinforced adhesive layer:
[0037] Select silicone sealant as the flexible glue, take 100kg of flexible glue and 5kg of epoxy resin microcapsules and stir and mix; then add 50kg of rubber particles w...
Embodiment 2
[0042] Embodiment two: a kind of processing method of run-flat tire, comprises the steps:
[0043] 1. Preparation of epoxy resin microcapsules:
[0044] Take 12g of urea, 12.6g of melamine, and 15mL of formaldehyde solution with a mass percentage of 30% to stir and mix, add NH 4 Cl adjusted the pH of the solution to 3, and stirred at a stirring speed of 600r / min, heated the solution to 70°C and reacted for 3.5h to obtain a resin prepolymer;
[0045] Take 20mL of epoxy resin emulsion with a mass percentage of 5% and 15mL of resin prepolymer, stir and mix, adjust the pH of the solution to 4 with triethanolamine, and polymerize at 70°C for 3 hours to prepare epoxy resin microcapsules, keep the stirring speed during the polymerization It is 700r / min.
[0046] 2. Preparation of reinforced adhesive layer:
[0047] Select polyurethane sealant as the flexible glue, take 100kg of flexible glue and 8kg of epoxy resin microcapsules and stir and mix; then add 60kg of rubber particles w...
Embodiment 3
[0052] Embodiment three: a kind of processing method of run-flat tire, comprises the following steps:
[0053] 1. Preparation of epoxy resin microcapsules:
[0054] Take 12g of urea, 12.6g of melamine, and 15mL of formaldehyde solution with a mass percentage of 30% to stir and mix, add NH 4 Cl adjusted the pH of the solution to 3, and stirred at a stirring speed of 800r / min, heated the solution to 60°C for 5 hours to prepare a resin prepolymer;
[0055] Take 20mL of epoxy resin emulsion with a mass percentage of 5% and 15mL of resin prepolymer, stir and mix, adjust the pH of the solution to 4 with triethanolamine, and prepare epoxy resin microcapsules at 70°C for 2 hours, and keep the stirring speed during the polymerization 800r / min.
[0056] 2. Preparation of reinforced adhesive layer:
[0057] Select SBS hot melt adhesive as the flexible adhesive, take 100kg of flexible adhesive and 10kg of epoxy resin microcapsules and stir and mix; then add 80kg of rubber particles wit...
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Abstract
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