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.

Inactive Publication Date: 2020-04-14
冯华国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, with the above method, after the tire is punctured, the pore formed at the damaged position is easy to expand further under tension, and the gas in the tire quickly flows through the damaged part.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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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PUM

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Abstract

The invention relates to a processing method of a run-flat tire. The processing method comprises the steps as follows: a reinforcing adhesive layer is prepared from a flexible adhesive and rubber particles through mixing in the mass ratio being 1:(0.5-1); the inner side of a cover tire is covered with the reinforcing adhesive layer uniformly; the reinforcing adhesive layer is subjected to blade coating or air injection so that the thickness of the reinforcing adhesive layer is uniform; the reinforcing adhesive layer is dried and the run-flat tire is prepared. The processing method of the run-flat tire has the characteristics that the process is simple and high in applicability, the outward flow speed of air in the tire at a damaged part is retarded and the burst rate is reduced when used for treating the tire.

Description

technical field [0001] The invention relates to the field of vehicle tires, in particular to a method for processing run-flat tires. Background technique [0002] When the car is running, the tire of the vehicle is pierced by a sharp object such as an iron nail, and the gas in the tire leaks from the damaged part, causing a large pressure on the damaged part, which may cause a puncture. At present, the common run-flat tires mainly have the following structures: [0003] One is a rigid support type, as shown in the Chinese patent whose authorized announcement number is CN101596845B. This patent discloses a vehicle explosion-proof safety tire, the cover tire is installed on the outside of the rim, and the part of the rim inside the cover tire is fixed with a support ring, and the support ring extends from the rim to the direction close to the cover tire. When the cover tire is damaged, the support ring can temporarily support the tire to continue walking for a certain distan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D30/06
CPCB29D30/0685B29D2030/0693
Inventor 冯华国
Owner 冯华国
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