News Details
Latent type coating crosslinking agent
2017-3-15 18:04:05
Latent type coating crosslinking agent,Refers to join the epoxy resin and its composition of one-component system have certain storage stability at room temperature, and in the heat, light, humidity, pressure and other conditions can quickly on the crosslinking reaction of cross-linking agent. But the latent epoxy resin sex, many different kinds of coupling agent, but each type of cross-linking agent has certain advantages and disadvantages, so far, still have not found a particularly fine performance, the ideal latent sexual coupling agent.
Mixed with epoxy resin, the relative long-term stability at room temperature (epoxy resin general requirements in more than 3 months, just have large practical value, the ideal insist on half a year or more than one year), and only when it is exposed to heat, light, moisture and other conditions, the crosslinking reaction.
Latent type of crosslinking agent is basically in physical and chemical methods closed the activity of crosslinking agent. So, in some book also put these varieties is divided into ambush crosslinking agent, can be called functional latent crosslinking agent, actually.
Because the latent type cross-linking agent can be mixed with epoxy resin made from a type liquid complexes, simplify the procedures of the application of epoxy resin with, its application range from single to coating packaging adhesives, impregnating varnish, potting compound, powder coating, etc.
Latent type of crosslinking agent is becoming more and more attention in abroad, can be said to be the focus of the research and development, all kinds of crosslinking agent modified varieties and cooperate with the new technology emerge in endlessly, very active.
Latent sexual intercourse agent features:
With the current widely used two-component epoxy resin system, compared the latent sexual intercourse agent made from mixed with epoxy resin of one-component epoxy resin system has simplified the operation process, to prevent the pollution of the environment, improve product quality, adapt to the modern large-scale industrialized production, etc.
Latent sex research of coupling agent
Latent sexual intercourse agent research usually by means of physical and chemical, for ordinary use of low temperature and high temperature crosslinker crosslinked activity is improved.
Chinese name: Diethyl toluene diamine(DETDA)
Diethyltoluenediamine Raw material :
TDA industrial, Sichuan production
Ethylene (Et) polymer grade, Shanghai production
TEA industrial imports
A reagent grade additives
Mainly take the following two improved methods: one is to some high reactivity and the storage stability of crosslinking agent are closed, the reactivity of passivation; 2 it is to put some good storage stability and reactivity of the crosslinking agent with low reactivity, stimulating students. Eventually reach the crosslinking agent added to the epoxy resin at room temperature have certain storage stability, when in use by external conditions, such as light, heat will release activity of crosslinking agent, so as to achieve the aim of making quick crosslinked epoxy resin.
Epoxy resin as anti-corrosion material not only has a solid, good water resistance and leakage resistance, high strength, etc. At the same time, has the strong adhesion, normal temperature operation, convenient construction, good manufacturability, and the price is moderate.
With this kind of epoxy resin materials of anti-corrosion engineering generally includes: FuChen resin adhesive material of FRP surface as a whole and isolation layer, paving block surface resin cement and mortar, resin cement seam jointing and filling piece of surface layer, resin thin cement or mortar made the whole surface of the single and compound and the isolation layer, glass flake resin surface and so on.
Chosen material variety, anti-corrosion engineering function and the applicable scope of final product will be quite different. Expert says, is commonly used in corrosion protection engineering of epoxy resin in addition to the used alone, also can and unsaturated polyester resin, vinyl ester resin, phenolic resin and furan resin and other resin composite use, form a composite structure to give full play to their strengths, reduce cost, improve product quality and convenient construction.
Can also be used with other resins to form modified resin, modified method of physical method and chemical method. Epoxy coal tar is relatively typical physical modified epoxy resin, its performance between epoxy resin and coal tar. Physical secondary resin modified resin in general 30-50% of total; Modification resin after fundamental changes have taken place in its product performance, vinyl ester resin is the most typical chemical modification of epoxy resin.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
Diethyl toluene diamine(DETDA) http://www.yaruichem.com
Mixed with epoxy resin, the relative long-term stability at room temperature (epoxy resin general requirements in more than 3 months, just have large practical value, the ideal insist on half a year or more than one year), and only when it is exposed to heat, light, moisture and other conditions, the crosslinking reaction.
Latent type of crosslinking agent is basically in physical and chemical methods closed the activity of crosslinking agent. So, in some book also put these varieties is divided into ambush crosslinking agent, can be called functional latent crosslinking agent, actually.
Because the latent type cross-linking agent can be mixed with epoxy resin made from a type liquid complexes, simplify the procedures of the application of epoxy resin with, its application range from single to coating packaging adhesives, impregnating varnish, potting compound, powder coating, etc.
Latent type of crosslinking agent is becoming more and more attention in abroad, can be said to be the focus of the research and development, all kinds of crosslinking agent modified varieties and cooperate with the new technology emerge in endlessly, very active.
Latent sexual intercourse agent features:
With the current widely used two-component epoxy resin system, compared the latent sexual intercourse agent made from mixed with epoxy resin of one-component epoxy resin system has simplified the operation process, to prevent the pollution of the environment, improve product quality, adapt to the modern large-scale industrialized production, etc.
Latent sex research of coupling agent
Latent sexual intercourse agent research usually by means of physical and chemical, for ordinary use of low temperature and high temperature crosslinker crosslinked activity is improved.
Chinese name: Diethyl toluene diamine(DETDA)
Diethyltoluenediamine Raw material :
TDA industrial, Sichuan production
Ethylene (Et) polymer grade, Shanghai production
TEA industrial imports
A reagent grade additives
Mainly take the following two improved methods: one is to some high reactivity and the storage stability of crosslinking agent are closed, the reactivity of passivation; 2 it is to put some good storage stability and reactivity of the crosslinking agent with low reactivity, stimulating students. Eventually reach the crosslinking agent added to the epoxy resin at room temperature have certain storage stability, when in use by external conditions, such as light, heat will release activity of crosslinking agent, so as to achieve the aim of making quick crosslinked epoxy resin.
Epoxy resin as anti-corrosion material not only has a solid, good water resistance and leakage resistance, high strength, etc. At the same time, has the strong adhesion, normal temperature operation, convenient construction, good manufacturability, and the price is moderate.
With this kind of epoxy resin materials of anti-corrosion engineering generally includes: FuChen resin adhesive material of FRP surface as a whole and isolation layer, paving block surface resin cement and mortar, resin cement seam jointing and filling piece of surface layer, resin thin cement or mortar made the whole surface of the single and compound and the isolation layer, glass flake resin surface and so on.
Chosen material variety, anti-corrosion engineering function and the applicable scope of final product will be quite different. Expert says, is commonly used in corrosion protection engineering of epoxy resin in addition to the used alone, also can and unsaturated polyester resin, vinyl ester resin, phenolic resin and furan resin and other resin composite use, form a composite structure to give full play to their strengths, reduce cost, improve product quality and convenient construction.
Can also be used with other resins to form modified resin, modified method of physical method and chemical method. Epoxy coal tar is relatively typical physical modified epoxy resin, its performance between epoxy resin and coal tar. Physical secondary resin modified resin in general 30-50% of total; Modification resin after fundamental changes have taken place in its product performance, vinyl ester resin is the most typical chemical modification of epoxy resin.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
Diethyl toluene diamine(DETDA) http://www.yaruichem.com
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