CN112760059B - Composite stabilizer of tire repair cement hydrosolvent, preparation method of composite stabilizer and normal-temperature vulcanization tire repair cement - Google Patents
Composite stabilizer of tire repair cement hydrosolvent, preparation method of composite stabilizer and normal-temperature vulcanization tire repair cement Download PDFInfo
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- CN112760059B CN112760059B CN202011564260.3A CN202011564260A CN112760059B CN 112760059 B CN112760059 B CN 112760059B CN 202011564260 A CN202011564260 A CN 202011564260A CN 112760059 B CN112760059 B CN 112760059B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J107/00—Adhesives based on natural rubber
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Abstract
The application belongs to the technical field of tire repair, and particularly relates to a composite stabilizer of a tire repair glue aqueous solution, a preparation method of the composite stabilizer and normal-temperature vulcanization tire repair glue. The application provides a composite stabilizer of tyre cement hydrosolvent, includes: acid-absorbing agents, ultraviolet inhibitors and antioxidants; the mass of the acid absorbent is 0.5-1.0% of the mass of the tire cement hydrosolvent; the mass of the ultraviolet inhibitor is 0.2-0.5% of the mass of the tire cement aqueous solvent; the mass of the antioxidant is 0.8-1.5% of the mass of the tire cement aqueous solvent. The application provides a normal atmospheric temperature vulcanizes tire patching glue, includes: the rubber comprises a tire repair rubber hydrosolvent, natural rubber, an ultra-high speed accelerator and a composite stabilizer. The stability of normal atmospheric temperature vulcanization tyre repair glue in storage process can be ensured to this application, through reducing the decomposition speed of tyre repair glue water solvent in storage process to slow down the crosslinking speed of rubber in the glue, prolong the storage cycle of normal atmospheric temperature vulcanization tyre repair glue, can also guarantee the tyre repair effect of tyre repair glue.
Description
Technical Field
The application belongs to the technical field of tire repair, and particularly relates to a composite stabilizer of a tire repair glue aqueous solution, a preparation method of the composite stabilizer and normal-temperature vulcanization tire repair glue.
Background
According to the data display of the Ministry of public Security, as the year 2020 is 9 months, the number of motor vehicles in China is 3.65 hundred million, wherein 2.75 million vehicles are kept, and when the automobile runs, the tire is affected by factors such as road conditions, sharp object pricks, the quality of the tire and the like, so that the tire leakage is a phenomenon which is usually encountered in the daily running process of the automobile, and the tire with the leakage can be normally used after being properly treated, so that the tire repair industry is bred. Among the numerous tire repair methods in the industry, the normal-temperature vulcanization repair method is favored by repair personnel and drivers due to the characteristics of simple operation, low price, small damage to the tire surface and the like, and has good market prospect.
The normal temperature vulcanizing tyre repairing glue used in the normal temperature vulcanizing repairing method is generally composed of tyre repairing glue hydrosolvent, natural glue and ultra-high speed accelerator. In the actual normal-temperature vulcanization tire repair glue, a proper vulcanization accelerator is required to be selected, so that sulfur in the tire repair glue film is subjected to vulcanization with the accelerator in a short time, the tire repair glue film and the repaired surface of the tire are subjected to vulcanization crosslinking, and the purpose of repairing the leakage position of the tire is finally achieved; the selection of the tire cement hydrosolvent should select the solvent with high volatilization speed, good solubility and flame retardance as much as possible; because the oxidation reaction of the hydrosolvent of the tire repairing glue during the storage process is determined by the characteristics of the hydrosolvent of the selected tire repairing glue, the accelerator in the normal-temperature vulcanization tire repairing glue is usually a dithiocarbamate ultra-overspeed accelerator, and the crosslinking reaction of the glue in the tire repairing glue is promoted by products such as hydrogen chloride generated by the decomposition of the solvent during the storage process of the glue, the viscosity of the glue is increased quickly, and finally the glue is caked and loses efficacy and cannot be used normally. The storage life of commercial normal-temperature vulcanization tire repair glue is required to be 1-2 years under normal conditions, so that a corresponding stabilizer needs to be added into the glue to ensure the stability of a used tire repair glue solvent, and the glue can meet the normal storage requirement of a product.
However, although the conventional stabilizer partially used for the tire repair cement aqueous solution can improve the storage stability of the normal-temperature vulcanized tire repair cement, the adhesive force of the tire repair cement is reduced, so that the storage stability of the conventional tire repair cement cannot meet the market demand.
Disclosure of Invention
In view of the above, the present application provides a composite stabilizer of a tire repair cement aqueous solvent, a preparation method thereof, and a normal temperature vulcanization tire repair cement, which can ensure the stability of the normal temperature vulcanization tire repair cement in the storage process, slow down the crosslinking speed of rubber in the cement by reducing the decomposition speed of the tire repair cement aqueous solvent in the storage process, prolong the storage period of the normal temperature vulcanization tire repair cement, and simultaneously ensure the tire repair effect of the tire repair cement. .
The application provides in a first aspect a composite stabilizer for a tire cement hydrosolvent, comprising:
acid-absorbing agents, ultraviolet inhibitors and antioxidants;
the mass of the acid absorbent is 0.5-1.0% of that of the tyre repairing glue aqueous solvent;
the mass of the ultraviolet inhibitor is 0.2-0.5% of that of the tire cement aqueous solvent;
the mass of the antioxidant is 0.8-1.5% of that of the tyre cement hydrosolvent.
In other embodiments, the acid scavenger is selected from one or more of diethylamine, triethylamine and diisopropylamine.
In other embodiments, the UV inhibitor is selected from 2-hydroxy-4-N-octyloxybenzophenone and/or N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide.
In other embodiments, the antioxidant is selected from one or more of tetrahydrofuran, epichlorohydrin, and 2, 6-di-tert-butyl-4-methylphenol.
The second aspect of the present application provides a preparation method of a composite stabilizer of a tire cement aqueous solvent, comprising:
mixing an acid absorbent, an ultraviolet inhibitor and an antioxidant to prepare a composite stabilizer of a tire cement aqueous solvent; the mass of the acid absorbent is 0.5-1.0% of that of the tyre repairing glue aqueous solvent; the mass of the ultraviolet inhibitor is 0.2-0.5% of that of the tire cement aqueous solvent; the mass of the antioxidant is 0.8-1.5% of that of the tyre cement hydrosolvent.
The third aspect of the present application provides a normal temperature vulcanization tire repair glue, including:
a tire repair cement hydrosolvent, natural rubber, an ultra-high speed accelerator and the composite stabilizer;
or a tire repair glue aqueous solvent, natural rubber, an ultra-high speed accelerator and the composite stabilizer prepared by the preparation method.
In other embodiments, the natural rubber is a constant viscosity natural rubber CV60 (the mooney viscosity of constant viscosity natural rubber CV60 is 60 ± 5); the ultra-fast accelerator is selected from one or more of tetraethylthiuram disulfide (TETD), zinc Diethyldithiocarbamate (ZDEC) and zinc ethylphenyldithiocarbamate (PX) dithiocarbamate accelerators; the tire cement water solvent is selected from one or more of trichloroethylene or dichloroethylene.
In other embodiments, the composition comprises, in parts by mass:
the fourth aspect of the application provides a preparation method of normal-temperature vulcanization tire repair glue, which comprises the following steps:
carrying out first mixing on a tire repair cement hydrosolvent and a composite stabilizer to obtain a first mixture;
performing second mixing on the first mixture and the natural rubber to obtain a second mixture;
and thirdly mixing the second mixture and the ultra-fast accelerator to obtain the normal-temperature vulcanization tire repair glue.
In other embodiments, the first mixing time is from 0.2 to 0.5 hours; the second mixing time is 8-10 hours; the time of the third mixing is 1 to 2 hours.
The preparation method aims to overcome the defects in the prior art, the additives disclosed by the application are all commercially available products, raw materials are easy to obtain, and the disclosed preparation method has the advantages of simple process and low cost.
The compound stabilizer can ensure that the decomposition speed of the solvent in the storage process of the normal-temperature vulcanization tire repair glue using dichloroethylene and trichloroethylene as the solvent is reduced in the storage process of the normal-temperature vulcanization tire repair glue, so that the crosslinking speed of rubber in the glue is reduced, and the storage period of the normal-temperature vulcanization tire repair glue is prolonged; meanwhile, the composite stabilizer can ensure the adhesive force of the normal-temperature vulcanization tire repair glue taking the dichloroethylene and the trichloroethylene as solvents, and can meet the tire repair requirement.
Detailed Description
The application provides a composite stabilizer of a tire repair cement hydrosolvent, a preparation method thereof and normal-temperature vulcanization tire repair cement, which are used for solving the technical defects that in the prior art, part of a stabilizer used for the tire repair cement hydrosolvent can reduce the adhesive force of the tire repair cement, so that the tire repair effect and the storage period of the existing tire repair cement cannot meet the market demand.
The technical solutions in the embodiments of the present application will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Wherein, the raw materials or reagents used in the following examples are all sold in the market or made by the user; in the following examples, the adhesion force (N) between the tire patch and the rubber patch to be repaired is not less than 50N, and if the adhesion force is less than 50N, the tire cannot be used in practice.
Example 1
The application provides normal-temperature vulcanization tyre repair glue, which comprises the following steps:
adding 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 epichlorohydrin into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 1.
Example 2
The application provides normal-temperature vulcanization tyre repair glue, which comprises the following steps:
100 kg of dichloroethylene, 0.20 kg of triethylamine and 0.70 kg of diisopropylamine, 0.40 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide, 0.40 kg of tetrahydrofuran and 0.90 kg of 2, 6-di-tert-butyl-4-methylphenol are added to a closed stirring apparatus and stirred for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 2.
Example 3
The application provides normal-temperature vulcanization tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 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 epoxy chloropropane and 0.50 kg of 2, 6-di-tert-butyl-4-methylphenol, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of a sample, canning and marking as a sample 3.
A glue containing only dichloroethylene, homoviscous natural gum CV60 and dithiocarbamate accelerator was prepared according to the preparation method of example 1 without the addition of diethylamine, diisopropylamine, 2-hydroxy-4-n-octoxybenzophenone, tetrahydrofuran and epichlorohydrin and labeled as no stabilizer control.
The normal temperature vulcanization tyre repair glue of samples 1 to 3 prepared in examples 1 to 3 and the comparison glue without stabilizer are filled in a sealed pot and respectively kept for half a year at the temperature of 50 ℃ and normal temperature, and the rotary viscosity change of the glue is shown in the following table 1; standing the normal-temperature vulcanized tire repair glue of the samples 1-3 and the comparative glue without a stabilizer for 1 year at normal temperature, wherein the rotational viscosity results of the samples at different times are shown in a table 2; the normal temperature vulcanization tire repair glue of the samples 1 to 3 is used for coating between the tire repair rubber sheet and the repaired rubber sheet, after the solvent is volatilized, the tire repair rubber sheet and the repaired rubber sheet are attached and compressed, the tire repair rubber sheet and the repaired rubber sheet are placed for 24 hours, the bonding effect of the normal temperature vulcanization tire repair glue of the samples 1 to 3 is measured by a tensile machine, the bonding force between the tire repair rubber sheet and the repaired rubber sheet is used for representing, and the result is shown in table 3.
TABLE 1 results of rotational viscosity of samples resting at 50 ℃ for half a year at different times
Note: in the table "/" indicates that the compound in the sample has crosslinked and the viscosity cannot be measured.
TABLE 2 rotational viscosity results for samples standing at ambient temperature for 1 year at different times
Note: in the table "/" indicates that the compound in the sample has crosslinked and the viscosity cannot be measured.
TABLE 3 bonding Effect of Normal temperature vulcanization tire repair glues for samples 1-3
Note: the test conditions were: the tire repairing film is bonded with the repaired surface by glue and then is parked for 24 hours at room temperature, and the bonding force between the tire repairing film and the repaired piece is tested by a tensile machine, wherein N (the internal standard is more than or equal to 50N).
Tables 1 to 3 show that the normal-temperature vulcanized tire repair glue prepared by the composite stabilizer can still keep a flowing state after being stored at 50 ℃ for 6 months and at normal temperature for 12 months, has good storage stability, has no obvious difference from the tire repair effect in new preparation, has good adhesive force, meets the tire repair requirement and also meets the storage requirement.
Comparative example 1
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.02 kg of diethylamine, 0.01 kg of ethanolamine, 0.08 kg of n-butanol, 0.05 kg of p-tert-amylphenol, 0.02 kg of 2, 6-di-tert-butyl-4-methylphenol and 0.05 kg of 2-hydroxy-4-n-octyloxybenzophenone, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of a sample, canning and marking as a sample 4.
Comparative example 2
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.02 kg of diethylamine, 0.01 kg of triethanolamine, 0.1 kg of n-butanol, 0.1 kg of p-tert-amylphenol, 0.02 kg of 2, 6-di-tert-butyl-4-methylphenol and 0.05 kg of 2-hydroxy-4-n-octyloxybenzophenone, and stirring for 0.5 hour; cutting 6 kg of constant-viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 5.
Comparative example 3
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.02 kg of diethylamine, 0.01 kg of diisopropylamine, 0.2 kg of N-butanol, 0.1 kg of p-tert-amylphenol, 0.02 kg of 2, 6-di-tert-butyl-4-methylphenol and 0.08 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide, and stirring for 0.5 hour; cutting 6 kg of constant-viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 6.
Comparative example 4
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.05 kg of triethylamine, 0.05 kg of triethanolamine, 0.2 kg of p-tert-amylphenol, 0.1 kg of thymol, 0.05 kg of 2, 6-di-tert-butyl-4-methylphenol and 0.1 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -oxalamide, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 7.
Comparative example 5
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.08 kg of triethylamine, 0.08 kg of diisopropylamine, 0.2 kg of butylene oxide, 0.2 kg of p-hydroxyanisole, 0.05 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.05 kg of 2-hydroxy-4-n-octyloxy benzophenone and 0.05 kg of phenyl o-hydroxybenzoate, and stirring for 0.5 hour; cutting 6 kg of constant-viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 8.
Comparative example 6
The application provides contrast tire repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.1 kg of triethylamine, 0.1 kg of ethanolamine, 0.2 kg of p-tert-amylphenol, 0.3 kg of p-hydroxyanisole, 0.05 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.05 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -oxalamide and 0.05 kg of phenyl o-hydroxybenzoate into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant-viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 9.
Comparative example 7
The application provides contrast tire repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.1 kg of triethylamine, 0.1 kg of diisopropylamine, 0.3 kg of tetrahydrofuran, 0.3 kg of epoxy chloropropane, 0.05 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.05 kg of 2-hydroxy-4-N-octyloxy benzophenone and 0.05 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -oxalamide, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 10.
Comparative example 8
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.1 kg of diethylamine, 0.1 kg of diisopropylamine, 0.3 kg of tetrahydrofuran, 0.3 kg of epichlorohydrin, 0.1 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.05 kg of 2-hydroxy-4-N-octyloxybenzophenone and 0.05 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant-viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 11.
Comparative example 9
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.1 kg of triethanolamine, 0.1 kg of diisopropylamine, 0.3 kg of N-ethylcyclohexylamine, 0.3 kg of thymol, 0.1 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.08 kg of 2-hydroxy-4-N-octyloxybenzophenone and 0.08 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 12.
Comparative example 10
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.1 kg of ethanolamine, 0.1 kg of triethanolamine, 0.3 kg of tetrahydrofuran, 0.3 kg of p-hydroxybenzaldehyde, 0.1 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.08 kg of 2-hydroxy-4-n-octyloxy benzophenone and 0.08 kg of phenyl o-hydroxybenzoate, and stirring for 0.5 hour; cutting 6 kg of constant-viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 13.
Comparative example 11
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.2 kg of diethylamine, 0.2 kg of ethanolamine, 0.3 kg of tetrahydrofuran, 0.3 kg of p-cresol, 0.1 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.08 kg of 2-hydroxy-4-n-octyloxy benzophenone and 0.08 kg of 2-hydroxy-4-methoxybenzophenone, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 14.
Comparative example 12
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.2 kg of triethylamine, 0.2 kg of ethanolamine, 0.1 kg of N-butanol, 0.3 kg of tetrahydrofuran, 0.2 kg of N-ethylcyclohexylamine, 0.15 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.08 kg of N- (2-ethoxyphenyl) -N '- (2-ethylphenyl) -ethanediamide and 0.08 kg of 2- (2' -hydroxy-3 ',5' -di-tert-phenyl) -5-chlorobenzotriazole into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of a sample, canning and marking as a sample 15.
Comparative example 13
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.2 kg of diisopropylamine, 0.2 kg of ethanolamine, 0.1 kg of p-tert-amylphenol, 0.3 kg of epoxy chloropropane, 0.2 kg of thymol, 0.15 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.08 kg of phenyl o-hydroxybenzoate and 0.08 kg of 2-hydroxy-4-methoxybenzophenone, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 16.
Comparative example 14
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.2 kg of diethylamine, 0.2 kg of ethanolamine, 0.2 kg of butylene oxide, 0.2 kg of ethyl acetate, 0.2 kg of phenol, 0.15 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.08 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -oxalamide and 0.08 kg of 2-hydroxy-4-methoxybenzophenone into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of a sample, canning and marking as sample 17.
Comparative example 15
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.2 kg of diethylamine, 0.2 kg of triethanolamine, 0.3 kg of thymol, 0.3 kg of p-hydroxybenzaldehyde, 0.15 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.3 kg of 2-hydroxy-4-N-octyloxybenzophenone and 0.3 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 18.
Comparative example 16
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.6 kg of triethylamine, 0.6 kg of triethanolamine, 0.8 kg of n-butanol, 0.8 kg of tetrahydrofuran, 0.2 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.3 kg of 2-hydroxy-4-n-octyloxybenzophenone and 0.3 kg of phenyl o-hydroxybenzoate, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as 19.
Comparative example 17
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.6 kg of diethylamine, 0.6 kg of diisopropylamine, 0.8 kg of p-hydroxyanisole, 0.8 kg of epoxy chloropropane, 0.2 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.3 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -oxalamide and 0.3 kg of phenyl o-hydroxybenzoate, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 20.
Comparative example 18
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.6 kg of triethylamine, 0.6 kg of ethanolamine, 0.8 kg of tetrahydrofuran, 0.8 kg of epoxy chloropropane, 0.2 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.3 kg of 2-hydroxy-4-n-octoxy benzophenone and 0.3 kg of 2-hydroxy-4-methoxybenzophenone, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 21.
Comparative example 19
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene into a closed stirring device, adding 0.6 kg of ethanolamine, 0.6 kg of triethanolamine, 1 kg of ethyl acetate, 1 kg of phenol, 0.2 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.3 kg of phenyl o-hydroxybenzoate and 0.3 kg of 2-hydroxy-4-methoxybenzophenone, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural gum CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning and marking as sample 22.
Comparative example 20
The application provides contrast tyre repair glue, which comprises the following steps:
adding 100 kg of trichloroethylene, 0.8 kg of diethylamine, 0.8 kg of diisopropylamine, 1.5 kg of butylene oxide, 1.5 kg of tetrahydrofuran, 0.2 kg of 2, 6-di-tert-butyl-4-methylphenol, 0.3 kg of N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -ethanediamide and 0.3 kg of 2-hydroxy-4-methoxybenzophenone into a closed stirring device, and stirring for 0.5 hour; cutting 6 kg of constant viscosity natural rubber CV60 into small pieces, adding the small pieces into the solvent, stirring for 10 hours, adding 0.2 kg of tetraethylthiuram disulfide (TETD), 0.6 kg of Zinc Diethyldithiocarbamate (ZDEC) and 0.6 kg of zinc ethylphenyldithiocarbamate (PX) accelerator, stirring for 2 hours, stopping stirring, sampling, testing and recording the rotational viscosity value of the sample, canning, and marking as a sample 23.
The control puncture-sealing glues of samples 4 to 23 were placed in a sealed jar, the initial viscosities (cP) of the control puncture-sealing glues of samples 4 to 23 were measured, the puncture-sealing sheets and the repaired sheets were left for 24 hours after being bonded using the control puncture-sealing glues of samples 4 to 23, the adhesive force between the puncture-sealing sheets and the repaired sheets, and the left-right effect of the control puncture-sealing glues of samples 4 to 23 at 50 ℃, and the results are shown in table 4.
TABLE 4
Table 4 shows that samples 4 to 9 and 12 to 23 are added with other acid absorbing agents (such as ethanolamine or/and triethanolamine), other antioxidants (one or more of N-butanol, p-tert-amylphenol, butylene oxide, p-hydroxyanisole, pyridine, ethyl acetate, N-ethylcyclohexylamine, phenol, thymol, p-hydroxybenzaldehyde and p-cresol), and other ultraviolet absorbers [ one or more of phenyl o-hydroxybenzoate, 2-hydroxy-4-methoxybenzophenone and 2- (2 ' -hydroxy-3 ',5' -di-tert-phenyl) -5-chlorobenzotriazole ], and that samples 4 to 9 and 12 to 18 have unsatisfactory standing effect in an environment of 50 ℃ and cannot be stored for a long time, and the adhesion test between the tire repair sheet and the repaired sheet using samples 4 to 9 and 12 to 18 shows that the adhesion is too low to meet the tire repair requirement; the addition amounts of the acid absorbent, the antioxidant and the ultraviolet absorbent of the sample 10 and the sample 11 are too low, and the tire repair cement prepared by the sample 10 and the sample 11 is solidified after being placed in an environment of 50 ℃ for 30 days, so that the storage stability of the tire repair cement cannot be ensured by the sample 10 and the sample 11. While samples 19 to 23 can ensure the storage stability of the samples, they cannot satisfy the tire repair requirements.
The foregoing is only a preferred embodiment of the present application and it should be noted that, as will be apparent to those skilled in the art, numerous modifications and adaptations can be made without departing from the principles of the present application and such modifications and adaptations are intended to be considered within the scope of the present application.
Claims (7)
1. The composite stabilizer of the tire cement hydrosolvent is characterized by comprising the following components:
acid-absorbing agents, ultraviolet inhibitors and antioxidants;
the mass of the acid absorbent is 0.5-1.0% of that of the tire repairing glue aqueous solvent;
the mass of the ultraviolet inhibitor is 0.2-0.5% of that of the tire cement aqueous solvent;
the mass of the antioxidant is 0.8-1.5% of that of the tyre cement hydrosolvent;
the acid absorbent is selected from one or more of diethylamine, triethylamine and diisopropylamine;
the ultraviolet inhibitor is selected from 2-hydroxy-4-N-octoxybenzophenone or/and N- (2-ethoxyphenyl) -N' - (2-ethylphenyl) -oxalamide;
the antioxidant is selected from one or more of tetrahydrofuran, epoxy chloropropane and 2, 6-di-tert-butyl-4-methylphenol.
2. The preparation method of the composite stabilizer of the tire cement aqueous solvent as claimed in claim 1, which comprises:
mixing an acid absorbent, an ultraviolet inhibitor and an antioxidant to prepare a composite stabilizer of a tire cement aqueous solvent; the mass of the acid absorbent is 0.5-1.0% of that of the tire repairing glue aqueous solvent; the mass of the ultraviolet inhibitor is 0.2-0.5% of that of the tire cement aqueous solvent; the mass of the antioxidant is 0.8-1.5% of that of the tyre cement hydrosolvent.
3. The normal-temperature vulcanization tire repair glue is characterized by comprising the following components:
a tire cement aqueous solvent, natural rubber, an ultra-high speed accelerator, and the composite stabilizer of claim 1.
4. The normal-temperature vulcanization tire puncture repair glue according to claim 3, wherein the natural rubber is a constant-viscosity natural rubber CV60, and the ultra-high speed accelerator is one or more selected from the group consisting of tetraethylthiuram disulfide, zinc diethyldithiocarbamate, and zinc ethylphenyldithiocarbamate; the tire cement water solvent is selected from trichloroethylene or/and dichloroethylene.
5. The normal-temperature vulcanization tire repair glue according to claim 3, characterized by comprising, in parts by mass:
6. a method for preparing room temperature vulcanization tyre repair glue according to any one of claims 3 to 5, characterized by comprising:
first mixing a tire cement hydrosolvent and the composite stabilizer of claim 1 to obtain a first mixture;
carrying out second mixing on the first mixture and the natural rubber to obtain a second mixture;
and thirdly mixing the second mixture and the ultra-high speed accelerator to obtain the normal-temperature vulcanization tire repair glue.
7. The method of claim 6, wherein the first mixing is for a time of 0.2 to 0.5 hours; the second mixing time is 8-10 hours; the time of the third mixing is 1 to 2 hours.
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| CN202011564260.3A CN112760059B (en) | 2020-12-25 | 2020-12-25 | Composite stabilizer of tire repair cement hydrosolvent, preparation method of composite stabilizer and normal-temperature vulcanization tire repair cement |
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| CN202011564260.3A CN112760059B (en) | 2020-12-25 | 2020-12-25 | Composite stabilizer of tire repair cement hydrosolvent, preparation method of composite stabilizer and normal-temperature vulcanization tire repair cement |
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| CN102850179A (en) * | 2012-10-08 | 2013-01-02 | 江苏省格林艾普化工股份有限公司 | Stabilizer for trichloroethylene |
| CN104072332A (en) * | 2013-03-27 | 2014-10-01 | 杭州泽泉生物科技有限公司 | Trichloroethylene stabilizing agent for cleaning |
| CN105623553A (en) * | 2016-01-20 | 2016-06-01 | 兰州大学 | Preparation method of auto-vulcanized tire cement |
| CN105950317A (en) * | 2016-05-17 | 2016-09-21 | 芜湖融汇化工有限公司 | TCE (trichloroethylene) compound stabilizer, preparation method thereof and TCE cleaning agent |
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