CN112679698A - Environment-friendly solvent-free trimer curing agent - Google Patents
Environment-friendly solvent-free trimer curing agent Download PDFInfo
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- CN112679698A CN112679698A CN202011433929.5A CN202011433929A CN112679698A CN 112679698 A CN112679698 A CN 112679698A CN 202011433929 A CN202011433929 A CN 202011433929A CN 112679698 A CN112679698 A CN 112679698A
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Abstract
The invention discloses an environment-friendly solvent-free trimer curing agent, which comprises the following components in percentage by weight: isocyanate, antioxidant, coupling agent, reinforcing agent, catalyst, colorant and defoaming agent; the weight parts of the components are respectively as follows: 170-190 parts of isocyanate, 4-6 parts of antioxidant, 3-6 parts of coupling agent, 1-3 parts of reinforcing agent, 1.5-3.5 parts of catalyst, 0.6-1.2 parts of colorant and 0.4-0.8 part of defoaming agent; the raw materials are subjected to polymerization treatment, so that the volatility of the raw materials is reduced, the pollution of the curing agent is reduced, the ecological environment is protected, the problem that volatile gas damages the bodies of workers is solved, the health of the workers is guaranteed, the viscosity of the curing agent is enhanced by adopting a solvent-free mixing mode, the curing effect of the curing agent is improved, the solid content of the curing agent is increased, the preparation cost of the curing agent is reduced, the oxidation resistance of the curing agent is enhanced, and the long-term storage of the curing agent is facilitated.
Description
Technical Field
The invention relates to the technical field of curing agents, in particular to an environment-friendly solvent-free trimer curing agent.
Background
The curing agent, also known as a hardening agent, a curing agent or a setting agent, is a substance or a mixture for promoting or controlling a curing reaction, and the quality of the curing agent has great influence on the mechanical property, heat resistance, water resistance, corrosion resistance and the like of a cured product. However, most of the traditional curing agents have the problems of high volatility and high pollution, not only is the staff very easy to inhale excessive volatile gas in the preparation process, and the body is uncomfortable, the health of the staff is damaged, but also certain pollution can be caused to the ecological environment after the volatile gas is discharged into the air, and the traditional curing agents generally adopt a solvent mixing mode, so that the viscosity of the curing agents is inevitably weakened, the curing effect of the curing agents is influenced, the solid content of the curing agents is reduced, the preparation cost of the curing agents is improved, meanwhile, the oxidation resistance is low, the reaction with oxygen in the air is easy, and the long-term storage of the curing agents is not facilitated.
Disclosure of Invention
The invention aims to provide an environment-friendly solvent-free trimer curing agent to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: an environment-friendly solvent-free trimer curing agent, which comprises the following formula: isocyanate, antioxidant, coupling agent, reinforcing agent, catalyst, colorant and defoaming agent; the weight parts of the components are respectively as follows: 170-190 parts of isocyanate, 4-6 parts of antioxidant, 3-6 parts of coupling agent, 1-3 parts of reinforcing agent, 1.5-3.5 parts of catalyst, 0.6-1.2 parts of colorant and 0.4-0.8 part of defoaming agent.
According to the technical scheme, the isocyanate is any one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate and isophorone isocyanate.
According to the technical scheme, the antioxidant is any one of tea polyphenol, butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone.
According to the technical scheme, the coupling agent is any one of gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane and gamma-aminopropyltrimethoxysilane.
According to the technical scheme, the reinforcing agent is any one of diatomite, alumina micro powder, calcium carbonate micro powder, silica micro powder and mica powder.
According to the technical scheme, the catalyst is any one of potassium acetate, sodium carbonate, sodium methoxide, sodium benzoate and cesium fluoride.
According to the technical scheme, the colorant is any one or two of cobalt blue, molybdenum-chromium red, chrome yellow, titanium dioxide, iron oxide black and cochineal red.
According to the technical scheme, the defoaming agent is any one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene.
Compared with the prior art, the invention has the following beneficial effects: the environmental-friendly solvent-free trimer curing agent reduces the volatility of raw materials through polymerization treatment, reduces the pollution of the curing agent, protects the ecological environment, avoids the problem of damage of volatile gas to the bodies of workers, and ensures the health of the workers; the solvent-free mixing mode is adopted, so that the viscosity of the curing agent is enhanced, the curing effect of the curing agent is improved, the solid content of the curing agent is increased, and the preparation cost of the curing agent is reduced; enhances the oxidation resistance of the curing agent, prevents the curing agent from reacting with oxygen, and is beneficial to the long-term storage of the curing agent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that:
example 1:
an environment-friendly solvent-free trimer curing agent, which comprises the following formula: isocyanate, antioxidant, coupling agent, reinforcing agent, catalyst, colorant and defoaming agent; the weight parts of the components are respectively as follows: 170 parts of isocyanate, 4 parts of antioxidant, 3 parts of coupling agent, 1 part of reinforcing agent, 1.5 parts of catalyst, 0.6 part of coloring agent and 0.4 part of defoaming agent, wherein the isocyanate is selected from any one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate and isophorone isocyanate, the antioxidant is selected from any one of tea polyphenol, butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone, the coupling agent is selected from any one of gamma-aminopropyl triethoxysilane, gamma-glycidyl ether oxypropyl trimethoxysilane and gamma-aminopropyl trimethoxysilane, the reinforcing agent is selected from any one of diatomite, alumina micropowder, calcium carbonate micropowder, silica micropowder and mica powder, the catalyst is selected from any one of potassium acetate, sodium carbonate, sodium methoxide, sodium benzoate and cesium fluoride, the coloring agent is any one or two of cobalt blue, molybdenum chrome red, chrome yellow, titanium pigment, iron oxide black and cochineal red, and the defoaming agent is any one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene.
Example 2:
an environment-friendly solvent-free trimer curing agent, which comprises the following formula: isocyanate, antioxidant, coupling agent, reinforcing agent, catalyst, colorant and defoaming agent; the weight parts of the components are respectively as follows: 180 parts of isocyanate, 5 parts of antioxidant, 4.5 parts of coupling agent, 2 parts of reinforcing agent, 2.5 parts of catalyst, 0.9 part of coloring agent and 0.6 part of defoaming agent, wherein the isocyanate is selected from any one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate and isophorone isocyanate, the antioxidant is selected from any one of tea polyphenol, butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone, the coupling agent is selected from any one of gamma-aminopropyl triethoxysilane, gamma-glycidyl ether oxypropyl trimethoxysilane and gamma-aminopropyl trimethoxysilane, the reinforcing agent is selected from any one of diatomite, alumina micropowder, calcium carbonate micropowder, silica micropowder and mica powder, the catalyst is selected from any one of potassium acetate, sodium carbonate, sodium methoxide, sodium benzoate and cesium fluoride, the coloring agent is any one or two of cobalt blue, molybdenum chrome red, chrome yellow, titanium pigment, iron oxide black and cochineal red, and the defoaming agent is any one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene.
Example 3:
an environment-friendly solvent-free trimer curing agent, which comprises the following formula: isocyanate, antioxidant, coupling agent, reinforcing agent, catalyst, colorant and defoaming agent; the weight parts of the components are respectively as follows: 190 parts of isocyanate, 6 parts of antioxidant, 6 parts of coupling agent, 3 parts of reinforcing agent, 3.5 parts of catalyst, 1.2 parts of coloring agent and 0.8 part of defoaming agent, wherein the isocyanate is selected from any one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate and isophorone isocyanate, the antioxidant is selected from any one of tea polyphenol, butyl hydroxy anisole, dibutyl hydroxy toluene and tert-butyl hydroquinone, the coupling agent is selected from any one of gamma-aminopropyl triethoxysilane, gamma-glycidyl ether oxypropyl trimethoxysilane and gamma-aminopropyl trimethoxysilane, the reinforcing agent is selected from any one of diatomite, alumina micropowder, calcium carbonate micropowder, silica micropowder and mica powder, the catalyst is selected from any one of potassium acetate, sodium carbonate, sodium methoxide, sodium benzoate and cesium fluoride, the coloring agent is any one or two of cobalt blue, molybdenum chrome red, chrome yellow, titanium pigment, iron oxide black and cochineal red, and the defoaming agent is any one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene.
The environmentally-friendly solvent-free trimer curing agent obtained in the above embodiment is respectively subjected to volatile organic compound emission detection, and compared with a common curing agent on the market as a comparison example, and the data is as follows:
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An environment-friendly solvent-free trimer curing agent, which comprises the following formula: isocyanate, antioxidant, coupling agent, reinforcing agent, catalyst, colorant and defoaming agent; the method is characterized in that: the weight parts of the components are respectively as follows: 170-190 parts of isocyanate, 4-6 parts of antioxidant, 3-6 parts of coupling agent, 1-3 parts of reinforcing agent, 1.5-3.5 parts of catalyst, 0.6-1.2 parts of colorant and 0.4-0.8 part of defoaming agent.
2. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the isocyanate is any one of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate and isophorone isocyanate.
3. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the antioxidant is any one of tea polyphenol, butyl hydroxy anisol, dibutyl hydroxy toluene and tert-butyl hydroquinone.
4. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the coupling agent is any one of gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane and gamma-aminopropyltrimethoxysilane.
5. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the reinforcing agent is any one of diatomite, alumina micro powder, calcium carbonate micro powder, silica micro powder and mica powder.
6. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the catalyst is any one of potassium acetate, sodium carbonate, sodium methoxide, sodium benzoate and cesium fluoride.
7. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the colorant is any one or two of cobalt blue, molybdenum chrome red, chrome yellow, titanium dioxide, iron oxide black and cochineal red.
8. The environmentally friendly solvent-free trimer curing agent of claim 1, wherein: the defoaming agent is any one of polyoxyethylene polyoxypropylene pentaerythritol ether, polyoxyethylene polyoxypropylene amine ether, polyoxypropylene glycerol ether and polyoxypropylene.
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| US5459220A (en) * | 1993-07-16 | 1995-10-17 | Lisco, Inc. | Use of biuret and trimer isocyanates as crosslinkers in golf ball coatings |
| EP0978545A1 (en) * | 1998-07-13 | 2000-02-09 | Stephen Finch | Solvents for polyurethane coatings |
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| CN105754070A (en) * | 2016-03-16 | 2016-07-13 | 上海展辰涂料有限公司 | Low-free-TDI tripolymer curing agent and preparation method thereof |
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| CN109401475A (en) * | 2018-11-04 | 2019-03-01 | 广西南宁维防腐科技有限公司 | A kind of oil tank outer wall heat insulating and corrosion two-component coating and preparation method thereof |
| CN110092887A (en) * | 2019-04-22 | 2019-08-06 | 何嘉妍 | A kind of preparation method of water-based polyurethane curing agent |
| CN110857330A (en) * | 2018-08-24 | 2020-03-03 | 重庆韩拓科技有限公司 | Special TDI tripolymer curing agent for gold stamping and preparation method thereof |
| CN111004363A (en) * | 2019-12-18 | 2020-04-14 | 常州市恒邦化工有限公司 | Preparation method of toluene diisocyanate and hexamethylene diisocyanate mixed trimer curing agent |
| CN111138961A (en) * | 2020-01-16 | 2020-05-12 | 广汉华气防腐工程有限公司 | Finish paint and preparation method thereof |
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2020
- 2020-12-10 CN CN202011433929.5A patent/CN112679698A/en active Pending
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| US5459220A (en) * | 1993-07-16 | 1995-10-17 | Lisco, Inc. | Use of biuret and trimer isocyanates as crosslinkers in golf ball coatings |
| EP0978545A1 (en) * | 1998-07-13 | 2000-02-09 | Stephen Finch | Solvents for polyurethane coatings |
| CN104447413A (en) * | 2015-01-08 | 2015-03-25 | 甘肃银光聚银化工有限公司 | HDI tripolymer preparation method |
| CN105754070A (en) * | 2016-03-16 | 2016-07-13 | 上海展辰涂料有限公司 | Low-free-TDI tripolymer curing agent and preparation method thereof |
| CN105906784A (en) * | 2016-05-10 | 2016-08-31 | 华南理工大学 | Non-toxic grade matte TDI (Toluene Diisocynate) tripolymer curing agent and preparation method thereof |
| CN110857330A (en) * | 2018-08-24 | 2020-03-03 | 重庆韩拓科技有限公司 | Special TDI tripolymer curing agent for gold stamping and preparation method thereof |
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| CN111138961A (en) * | 2020-01-16 | 2020-05-12 | 广汉华气防腐工程有限公司 | Finish paint and preparation method thereof |
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Application publication date: 20210420 |