Environment-friendly polyurethane foaming mixed material for tyre and preparation method thereof

A polyurethane and environmentally friendly technology, applied in the field of polyurethane, can solve the problems of thin skin and poor performance, and achieve the effect of bright surface, good skinning and cost reduction

Active Publication Date: 2015-12-16
SHANDONG INOV POLYURETHANE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with normal physical foaming agent (141b), water-foamed

Method used

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  • Environment-friendly polyurethane foaming mixed material for tyre and preparation method thereof
  • Environment-friendly polyurethane foaming mixed material for tyre and preparation method thereof
  • Environment-friendly polyurethane foaming mixed material for tyre and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] Example 1

[0036] Component A: Weigh EP-330NG90Kg and POP36 / 2810Kg respectively, put them into the reactor and stir, then add 7Kg of 1,4-butanediol, 13Kg of ethylene glycol, 1.0kg of glycerol, A-331.5Kg, AK-77030.2Kg , DC-1930.2Kg, 0.5Kg of water. Stir at 30°C for 1 hour, mix well, seal and store for later use.

[0037] Component B: Weigh PE-242010Kg and place it in the kettle, stir and heat up to 100°C, and degas and degas under vacuum for 2 hours. Then, the temperature was lowered to 40°C, 30Kg of 4,4'-diphenylmethane diisocyanate and 3Kg of carbodiimide modified MDI were added with stirring, the temperature was slowly raised to 85°C, and the reaction was kept warm for 1.5 hours. Stir for 20 minutes, take samples for testing, and flush N after qualified 2 Unwind and spare.

[0038] When in use, the temperature of A and B materials is maintained at 35-40℃, and the A component and B component are poured into the dynamic tire mold at a mass ratio of 100:94. The mold tempera...

Example Embodiment

[0039] Example 2

[0040] Component A: Weigh EP360090Kg and POP36 / 2810Kg respectively into the reactor and stir, then add propylene glycol 14Kg, ethylene glycol 6Kg, diethanolamine 0.5kg, A-10.5kg, A-33: 0.8Kg, CS-120.05kg , AK-77030.2Kg, DC60700.2Kg, 0.6Kg of water. Stir at 30°C for 2 hours, mix well, seal and store for later use.

[0041] Component B: Weigh CMA-24415Kg and place it in the kettle, stir and heat up to 90°C, and deaerate and degas under vacuum for 3 hours. Then the temperature was lowered to 40°C, 30Kg of 4,4'-diphenylmethane diisocyanate and 10Kg of carbodiimide modified MDI were added with stirring, the temperature was slowly raised to 85°C, and the temperature was kept for 1.5 hours. Stir for 20 minutes, take samples for testing, and flush N after qualified 2 Unwind and spare.

[0042] When in use, the temperature of A and B materials is maintained at 35-40℃, and the A component and B component are poured into the dynamic tire mold at a mass ratio of 100:92. The...

Example Embodiment

[0043] Example 3

[0044] Component A: Weigh EP-330NG80Kg and POP93 / 2820Kg respectively, put them into the reactor and stir, then add 7Kg of 1,4-butanediol, 6Kg of ethylene glycol, 1.5kg of triethanolamine, A-331.5Kg, AK-77030.3 Kg, DC60700.3Kg, water 0.5Kg. Stir at 30°C for 1 hour, mix well, seal and store for later use.

[0045] Component B: Weigh PE-242010Kg and place it in the kettle, stir and heat up to 95°C, and degas and degas under vacuum for 2.5 hours. Then, the temperature was lowered to 40°C, 30Kg of 4,4'-diphenylmethane diisocyanate and 10Kg of carbodiimide modified MDI were added with stirring, the temperature was slowly raised to 82°C, and the reaction was kept for 1.5 hours. Stir for 20 minutes, take samples for testing, and flush N after qualified 2 Unwind and spare.

[0046] When in use, the temperature of A and B materials is maintained at 35-40℃, and they are poured into the dynamic tire mold according to the mass ratio of A component and B component at a mass r...

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PUM

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Abstract

The invention specifically relates to an environment-friendly polyurethane foaming mixed material for a tyre and a preparation method thereof, belonging to the technical field of polyurethane. The mixed material is prepared by mixing a component A and a component B according to a mass ratio of 100: 85-105. The component A is prepared from polyether polyol, polymer polyol, a chain extender, a cross-linking agent, a bubble stabilizing agent, a foaming agent and a catalyst; and the component B is a polyester polyol modified isocyanate component and is prepared from polyester polyol, isocyanate and a storage stabilizing agent. Compared with the prior art, the invention has the following advantages: the foaming agent is water, so environmental protection is realized, cost for a physical foaming agent is saved, and preparation cost is greatly reduced. The environment-friendly polyurethane foamed tyre prepared in the invention has good skinning performance and a shiny surface while meeting the requirement of hardness. The mixed material can be used for production of normally foamed tyres and is an ideal substitute material for tyre production. The invention also provides a preparation method for the mixed material. The preparation method is reasonable in process.

Description

technical field [0001] The invention belongs to the technical field of polyurethane, and in particular relates to an environment-friendly polyurethane foam tire compound and a preparation method thereof. Background technique [0002] Polyurethane foam tires are more and more accepted by everyone because of their good wear resistance, excellent acid and alkali resistance and needle stick resistance. At present, it is widely used in cargo carts, baby carriages, slow electric vehicles and other fields. [0003] Patent CN102250313A reports a self-skinning microcellular elastomer composition for polyurethane foam tires. The polyurethane foam tires prepared by this invention have excellent mechanical properties, good resilience, excellent hydrolysis resistance and mold resistance sex. However, the foaming agent it uses is a physical foaming agent—HCFC-141b, which contains chlorine atoms, which has a destructive effect on the ozone layer. Developed countries have banned the use ...

Claims

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Application Information

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IPC IPC(8): C08G18/66C08G18/48C08G18/63C08G18/42C08G18/32C08J9/08
CPCC08G18/3203C08G18/3271C08G18/42C08G18/4825C08G18/4829C08G18/632C08G18/6677C08G18/6688C08J9/08C08J2203/02C08J2375/06C08J2375/08C08G2110/0033C08G2110/0066C08G2110/0083
Inventor 孙清峰甘经虎王翠王会栾森
Owner SHANDONG INOV POLYURETHANE
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