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Open-structure tire free of tire burst

A puncture and tire technology, applied in special tires, tire parts, transportation and packaging, etc., can solve problems such as poor dynamic mechanical properties, high manufacturing costs, and inability to use high-speed automobile tires, and achieves increased vehicle stability and reliability. The effect of grip, enhanced handling and safety, excellent cooling properties

Inactive Publication Date: 2012-02-15
SHENZHEN DAOER TIRE TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are the following disadvantages: in the use of polyurethane solid tires, the internal heat is large, the mass is heavy, the rolling resistance is large, the fuel consumption is high, the dynamic mechanical properties are not good, the raw materials are used, and the manufacturing cost is high, so it can only be used in mines, ports, factories, etc. For industrial vehicles with slow speed and high load such as warehouses, it cannot be used for high-speed car tires

Method used

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  • Open-structure tire free of tire burst
  • Open-structure tire free of tire burst
  • Open-structure tire free of tire burst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] Step 1: Synthesis of support system prepolymer

[0103] Weigh 160 parts by weight of polycaprolactone diol with an average molecular weight of 2000, put it into a reaction kettle, heat to 110-130°C, evacuate until the residual pressure is 0.67Kpa, remove moisture for 2 hours, and cool down to 60-70°C , put in 50.73 parts by weight of diphenylmethane diisocyanate, gradually heat up to 80° C., and react for 2 hours. The measured isocyanate content is 4.9%, and the polyurethane prepolymer for support is obtained.

[0104] Step 2: Synthesis of tread system polyurethane prepolymer

[0105] Weigh 100 parts by weight of polycaprolactone diol with an average molecular weight of 2000, and 40 parts by weight of polytetrahydrofuran with a molecular weight of 1000, put them into a reaction kettle, heat to 110-130 ° C, vacuumize until the residual pressure is 0.67Kpa, remove Moisture for 2 hours, cool down to 60-70°C, add 54.30 parts by weight of diphenylmethane diisocyanate, gradu...

Embodiment 2

[0110] Step 1: Synthesis of support system prepolymer

[0111]Weigh 80 parts by weight of polycaprolactone diol with an average molecular weight of 2000, put polybutylene adipate diol with a molecular weight of 2000 into the reaction kettle, heat to 110-130°C, and vacuum until the residual pressure is 0.67 Kpa, remove moisture for 2 hours, cool down to 60-70°C, add 50.73 parts by weight of diphenylmethane diisocyanate, gradually heat up to 80°C, react for 2 hours, and measure the content of isocyanate groups to be 4.9%, which is to obtain polyurethane for support prepolymer.

[0112] Step 2: Synthesis of tread system polyurethane prepolymer

[0113] Weigh 100 parts by weight of polybutylene adipate diol with an average molecular weight of 2000, and 40 parts by weight of polytetrahydrofuran with a molecular weight of 1000, put them into a reaction kettle, heat to 110-130 °C, and evacuate until the residual pressure is 0.67 Kpa, remove moisture for 2 hours, cool down to 60-70°...

Embodiment 3

[0118] Step 1: Synthesis of support system prepolymer

[0119] Weigh 80 parts by weight of polycaprolactone diol with an average molecular weight of 2000, and put 80 parts by weight of polybutylene adipate diol with a molecular weight of 2000 into a reaction kettle, heat to 110-130 ° C, and evacuate to more than The pressure is 0.67Kpa, the water is removed for 2 hours, the temperature is lowered to 60-70°C, 52.70 parts by weight of diphenylmethane diisocyanate is added, the temperature is gradually raised to 80°C, and the reaction is carried out for 2 hours. The measured isocyanate content is 5.1%, which is obtained Polyurethane prepolymer for support.

[0120] Step 2: Synthesis of tread system polyurethane prepolymer

[0121] Weigh 100 parts by weight of polybutylene adipate diol with an average molecular weight of 2000, and 40 parts by weight of polytetrahydrofuran with a molecular weight of 1000, put them into a reaction kettle, heat to 110-130 °C, and evacuate until the ...

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Abstract

Provided is a tire applicable to wheel vehicles. The tire is a polyurethane open-structure tire which has a supporting and buffering structure and is free of inflation and tire burst. According to the invention, bearing and buffering structures of existing pneumatic tires are changed, and a reasonable polyurethane formula is utilized; therefore, the advantages of pneumatic tires are retained, defects of pneumatic tires are overcome, performance of the tire is improved and enhanced, the service life of the tire is prolonged, capability of the tire in dealing with complex road conditions is enhanced, a production process for the tire is simplified, and production cost for the tire is reduced.

Description

Technical field [0001] The invention relates to a manufacturing technology of a non-inflation and non-puncture polyurethane tire with a support and buffer structure, which is generally applicable to wheeled vehicles in various fields. Background technique [0002] The present invention application is a partial continuation application of the patent No. ZL200920274370.9 submitted on November 29, 2009, which has been granted a Chinese patent. [0003] Tires are one of the important transportation accessories. For the current traditional rubber pneumatic tires, because of their good dynamic performance, low heat generation during use, excellent elasticity, and comfortable riding, they have been continuously improved for more than 100 years. It has been widely used on type vehicles, but its defects have not been well resolved. First of all, the wear resistance of rubber tires is low, especially the so-called green tires in the world, which are low rolling resistance tires, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C1/00C08L75/06C08L75/08C08G18/42C08G18/48C08G18/10C08G18/12
Inventor 王冰余前孙邝银欢
Owner SHENZHEN DAOER TIRE TECH LTD
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