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Compound stabilizer of tire repair glue solvent, preparation method of compound stabilizer and normal-temperature vulcanized tire repair glue

A compound stabilizer and room temperature vulcanization technology, which is applied in the field of tire repair, can solve the problems that the storage stability of tire repair glue cannot meet the market demand, reduce the adhesive force of tire repair glue, etc., and meet the requirements of tire repair, prolong the storage period, The effect of slowing down the speed of crosslinking

Active Publication Date: 2021-05-07
GUANGZHOU FENGLI RUBBER TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But, although existing part is used for the stabilizer of tire sealant glue solvent can improve the storage stability of normal temperature vulcanized tire sealant glue, but can reduce the cohesive force of tire sealant glue, make the storage stability of existing tire sealant glue Unable to meet market demand

Method used

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  • Compound stabilizer of tire repair glue solvent, preparation method of compound stabilizer and normal-temperature vulcanized tire repair glue
  • Compound stabilizer of tire repair glue solvent, preparation method of compound stabilizer and normal-temperature vulcanized tire repair glue
  • Compound stabilizer of tire repair glue solvent, preparation method of compound stabilizer and normal-temperature vulcanized tire repair glue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The application provides a normal temperature vulcanized tire sealant, comprising the following steps:

[0034] Add 100 kg of dichloroethylene, 0.40 kg of diethylamine, 0.40 kg of diisopropylamine, 0.50 kg of 2-hydroxy-4-n-octyloxybenzophenone, 0.30 kg of tetrahydrofuran and 0.80 kg of cyclohexanol into a closed stirring device. Oxychloropropane, stirred for 0.5 hours; 6 kg of constant viscose natural rubber CV60 was cut into small pieces and added to the above solvent, and after stirring for 10 hours, 0.2 kg of tetraethylthiuram disulfide (TETD) and 0.6 kg of disulfide were added. Zinc ethyl dithiocarbamate (ZDEC) and 0.6 kg of zinc ethyl phenyl dithiocarbamate (PX) accelerator, stirred for 2 hours, stopped stirring, took a sample for testing and recorded the rotational viscosity value of the sample, packed in jars, and marked For sample 1.

Embodiment 2

[0036] The application provides a normal temperature vulcanized tire sealant, comprising the following steps:

[0037] Add 100 kg of dichloroethylene into a closed stirring device, add 0.20 kg of triethylamine and 0.70 kg of diisopropylamine, 0.40 kg of N-(2-ethoxyphenyl)-N'-(2-ethylphenyl )-oxalamide, 0.40 kg of tetrahydrofuran and 0.90 kg of 2,6-di-tert-butyl-4-methylphenol, stirred for 0.5 hour; 6 kg of constant viscose natural rubber CV60 was cut into small pieces and added to the solvent, stirred After 10 hours, 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of zinc diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) were added Accelerator, stir for 2 hours, stop stirring, take a sample for testing and record the rotational viscosity value of the sample, put it in a jar, and mark it as sample 2.

Embodiment 3

[0039] The application provides a normal temperature vulcanized tire sealant, comprising the following steps:

[0040] Add 100 kg of trichlorethylene, 0.40 kg of triethylamine, 0.60 kg of diisopropylamine, 0.35 kg of N-(2-ethoxyphenyl)-N'-(2-ethylphenyl )-oxalamide, 0.55 kg of epichlorohydrin and 0.50 kg of 2,6-di-tert-butyl-4-methylphenol, stirred for 0.5 hour; 6 kg of constant viscose natural rubber CV60 was cut into small pieces and added to the solvent After stirring for 10 hours, add 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of zinc diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) Accelerator, stir for 2 hours, stop stirring, take a sample for testing and record the rotational viscosity value of the sample, put it in a jar, and mark it as sample 3.

[0041] According to the preparation method of Example 1, dichloroethylene-only, constant-viscosity natural The glue of CV60 and dithiocarbamate accelerator is marked as the compari...

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Abstract

The invention belongs to the technical field of tire repair, and particularly relates to a compound stabilizer of a tire repair glue solvent, a preparation method of the compound stabilizer and normal-temperature vulcanized tire repair glue. The compound stabilizer of the tire repair glue solvent comprises an acid acceptor, an ultraviolet inhibitor and an antioxidant; the mass of the acid acceptor is 0.5%-1.0% of the mass of the tire repair glue solvent; the mass of the ultraviolet inhibitor is 0.2%-0.5% of the mass of the tire repair glue solvent; and the mass of the antioxidant is 0.8%-1.5% of the mass of the tire repair glue solvent. The normal-temperature vulcanized tire repair glue comprises a tire repair glue solvent, natural rubber, an over-speed accelerator and a compound stabilizer. According to the application, the stability of the normal-temperature vulcanized tire repair glue in the storage process can be ensured, and the decomposition speed of the tire repair glue solvent in the storage process of the tire repair glue is reduced, so that the crosslinking speed of rubber in the glue is reduced, the storage period of the normal-temperature vulcanized tire repair glue is prolonged, and the tire repair effect of the tire repair glue can also be ensured.

Description

technical field [0001] The application belongs to the technical field of tire repair, and in particular relates to a composite stabilizer of tire repair glue solvent, a preparation method thereof, and a room temperature vulcanized tire repair glue. Background technique [0002] According to data from the Ministry of Public Security, as of September 2020, the number of motor vehicles in the country has reached 365 million, of which 275 million are cars. During the driving process, the tires are punctured by sharp objects due to road conditions and damage to the tires themselves. Influenced by factors such as quality, tire leaks are a common phenomenon in the daily driving of automobiles, and leaked tires can still be used normally after proper treatment, thus giving birth to the tire repair industry. Among the many tire repair methods in the industry, the normal temperature vulcanization repair method is favored by repairers and drivers due to its simple operation, low price,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J11/06C09J107/00
CPCC09J11/06C09J107/00C08K5/02C08K5/17C08K5/132C08K5/1515C08K5/1535C08K5/40C08K5/39C08K5/20C08K5/13
Inventor 黄体钧韩潇
Owner GUANGZHOU FENGLI RUBBER TIRE
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