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Fatty aromatic polyamide coatings crosslinking agent
2017-7-23 17:50:33
Fatty aromatic polyamide coatings crosslinking agent
M-pdas, MPD, (NH2) 2C6H4, molecular weight 107, active hydrogen equivalent 26.7, white crystals (black solid?) , melting point 62 ℃, each with 14-16, 100 standard resin crosslinking 60 ℃ for 2 hours, 2 hours + 150 ℃, the suitable period 500 g 2.5 hours 50 ℃, thermal deformation temperature of 150 ℃, the bending strength of 1050 kg/cm2, the compressive strength of 710 kg/cm2, the tensile strength of 540 kg/cm2, 3.0% elongation, impact strength, 0.2-0.3 feet - pounds per inch, rockwell hardness of 108.
Dielectric constant (50 hz 23 ℃) 3.3, power factor (50 hz 23 ℃) 0.007, heat resistance, corrosion resistance, good electric properties, low toxicity. Because it is solid, it is not convenient to use, and it is necessary to prevent gel when mixing with resin.
Between benzene dimethylamine: MXDA, C6H4 (NH2CH2), molecular weight 135, lively hydrogen equivalent 33.2, colorless liquid, each with 16-100 standard resin 18, crosslinking temperature + 70 ℃ for 24 hours, 1 hour or at room temperature 4 days. Applicable period 100 grams of 25 ℃ for 50 minutes, thermal deformation temperature of 130-150 ℃, the bending strength of 1200 kg/cm2, the compressive strength of 1030 kg/cm2, the tensile strength of 720 kg/cm2, elongation is 6.7%, dielectric constant (50 hz 23 ℃) 4.0, the power factor (50 hz 23 ℃) 0.005, volume resistance is greater than 2 x1016 Ω. Cm, temperature of crosslinking, heat resistance, corrosion resistance, good electric properties, low toxicity. The crosslinking temperature is low, the viscosity is low, the toxicity is small, the application period is long, the solvent resistance is good. It's easy to absorb carbon dioxide from the air as the cause of the bubble.
Diamino diphenyl methane: DDM, HT - 972, DEH - 50, [(CH3) C6H4 (NH2),] 2 ch2, molecular weight 196, 49, lively hydrogen equivalent white crystalline, brown on the long exposure in the sun, melting point 89 ℃, resin with 25 to 30 per 100 standard, crosslinking 60 ℃ for 2 hours, + 150 ℃ for 2 hours. Is applicable to the period of 500 grams of 50 ℃ for 3 hours, thermal deformation temperature of 145-150 ℃, the bending strength of 1190 kg/cm2, the compressive strength of 710 kg/cm2, 550 kg/cm2, tensile strength, elongation is 4.4%, impact strength, 0.3-0.5 feet - pounds per inch, rockwell hardness of 106. Dielectric constant (50 hz 23 ℃) 4.4, power factor (50 hz 23 ℃) 0.004, volume resistance is greater than 1015 Ω. Cm, heat resistance, corrosion resistance, good electric properties, low toxicity. High heat and mechanical strength. Because it is solid, it is not convenient to use, and it is necessary to prevent gel when mixing with resin.
Chinese name: Diethyl toluene diamine(DETDA)Diethyltoluenediamine packing： net weight 200KG/ galvanized iron drum (a small cabinet pallet loaded 16 tons), 1000KG/IB barrels (a small cabinet loaded 18 tons or 23 tons of ISOTANK).
Diamino diphenyl sulfone, DDS, HT - 976, (NH2) C6H4, 2 so2, molecular weight 248, equivalent to 62 active hydrogen, melting point 175 ℃, with 35 to 40 per 100 standard resin, crosslinking, 130-130 ℃, 3 days to 2 hours. 1.5 hours, it is suitable for 500 grams of 500 ℃, usually for BF3 - amine complex compound accelerator dosage (0.5 2%), heat distortion temperature 175-190 ℃, the bending strength of 1220 kg/cm2, the compressive strength of 710 kg/cm2, 580 kg/cm2, tensile strength, elongation is 3.3%, impact strength, 0.3-0.5 feet - pounds per inch, rockwell hardness of 110. Heat resistance, corrosion resistance, good electrical performance, low toxicity. Slow reaction. Heat resistant 175 ℃.
Between amino methylamine, MAMA, group (NH2) (CH2NH2 C6H4), molecular weight 123, lively hydrogen equivalent 30.7, melting point 38 ℃, with 14 to 18 per 100 standard resin, crosslinking, 130-130 ℃, 3 days to 2 hours. The breaking elongation is high.
Benzidine, (NH2) C6H4, C6H4, (NH2)
4-chloro-o-phenylenediamine, CPDA, (NH2) 2C6H3, CL
Benzene dimethylamine trimer, GY - 51, CH 2, viscosity of 60 ℃ the CPS, 2000-6000 per 100 standard resin for 30 to 60, crosslinking temperature 60 ℃, 7 days - 1 hour. Low toxicity.
CH, WA - 060-3, viscosity of 60 ℃ the CPS, 6000-10000 per 100 standard resin for 30 to 60, crosslinking temperature 60 ℃, 7 days - 1 hour.
Benzene dimethylamine trimer derivatives, 25 ℃ for 5 CPS, viscosity, CPS, 40, 100 CPS, with 25 to 30 per 100 standard resin, crosslinking temperature 60 ℃, 7 days - 1 hour. Low viscosity. Low toxicity.
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