News Details
Mimidazo resin paint crosslinking agent
2017-8-7 23:35:44
Mimidazo resin paint crosslinking agent
Imidazoles resin coating crosslinking agent in 80-120 ℃ crosslinked epoxy resin, crosslinking thermal deformation temperature is higher.
Imidazoles resin crosslinking agent: white crystal, melting point 90 ℃, dosage of 6-8%.
704 # and 705 # mimidazolids crosslinking agent:
704 # and 705 # are the addition of 2-methyl imidazole and epoxy propane butyl ether and epoxy-propyl isooctyl ether. At room temperature for brown viscous liquid, rapidly cross-linked epoxy resin in the 80-120 ℃, dosage of 10% and 15% respectively
2-ethyl-4-methylimidazole
Palm red liquid, low toxicity, dosage of 6-10%. With the crosslinking agent to promote six hydrogen of benzene anhydride cross-linked epoxy resin, heat distortion temperature (HDT) is 143 ℃.
Imidazole crystalline solid melting point of 88-88 ℃ / 100 standard resin with 4 to 8 of crosslinking: 6-8 hours 60-80 ℃ / 80 ℃ for 4 hours long lifespan, low toxicity
2-methyl imidazole 2 mz white crystalline melting point of 135-135 ℃ / 100 standard resin with 4 to 8 of crosslinking: 6-8 hours 60-80 ℃ / 80 ℃ for 4 hours long lifespan, reactive temperature 82-87 ℃ heat deformation temperature of 130 ℃
2 - ethyl imidazole white crystalline melting point of 61-61 ℃ / 100 standard resin with 3-5 copies of crosslinking: 6-8 hours 60-80 ℃ / 150 ℃ for 4 hours long lifespan, reactive temperature 82-87 ℃
2, 4 - dimethyl imidazole white crystalline melting point 92 ℃ / 100 standard resin with 3 to 7 of crosslinking: 6-8 hours 60-80 ℃ / 150 ℃ for 4 hours long lifespan, reactive temperature 82-87 ℃
2 - ethyl 4 - methyl imidazole e4mz EMZ - 242 white crystalline melting point 45 ℃ 2-10 per 100 standard resin with crosslinking: 6-8 hours 60-80 ℃ / 150 ℃ could 4 hours long, 82-87 ℃ temperature operation convenient and heat deformation temperature of 135 ℃
2 - methyl imidazole and epoxy propane butyl ether adduct 704 dark brown liquid resin with 2 to 10 per 100 standard crosslinking: 70 ℃ 6 hours long lifespan, low toxicity of crosslinking temperature, heat resistant, solvent resistance
Chinese name: Diethyl toluene diamine(DETDA)Physical and chemical properties: light yellow transparent liquid, slightly soluble in water, soluble in alcohols, ethers, ketones and other polar organic solvents, and polyether, polyester polyol compatibility.
Density 1.022
Viscosity (20 ℃) ??mPa·ss290±10
Pour Point ℃-9
Boiling point of310°C
Flash Point°C161.1°C
2 - methyl imidazole and epoxy propane isooctyl ether adduct 705 dark brown liquid with 15 per 100 standard resin crosslinking: 80 ℃ for 4 hours long, could toxicity in the low temperature crosslinking, heat resistance, solvent resistance
2-methyl imidazole with different epoxy propane octyl ether adduct 163 dark brown liquid resin with 15 per 100 standard crosslinking: 100 ℃ 8 hours long lifespan, low toxicity in the crosslinking temperature, heat resistance, solvent resistance
M-phenylene diamine containing imidazole promoter and dichloro diphenyl methane mixture 780 dark brown liquid with 15 per 100 standard resin crosslinking: 100 ℃ for 4 hours long lifespan, low toxicity of crosslinking temperature, heat resistance, solvent resistance
2-methyl imidazole and acrylonitrile adduct 781 tan viscous liquid resin with 10 per 100 standard crosslinking: 60-80 ℃ 8 hours long lifespan, low toxicity of crosslinking temperature, heat resistance, solvent resistance
Various imidazole with toluene diisocyanate (TDI), isophorone diisocyanate (IPDI), six methyl diisocyanate (HDI) reaction product made from closed, weakened the imidazole ring on the activity of amino and have a long life, when the temperature rises to above 100 ℃, sealing up lifted and imidazole recovery activity, epoxy crosslinking.
Imidazole is between molecular structure containing two nitrogen atoms of the five yuan of aromatic heterocyclic compound, imidazole ring 1 - a nitrogen atom in the lone electron pair in annular conjugate, electron density of nitrogen atom is reduced, on the nitrogen atom of hydrogen is easy to form hydrogen ions to leave. It is acidic and alkaline, which can form salt with strong alkali.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
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