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الشخص الذي يمكن الاتصال به Mr. SUN
shuini, HARBIN, heilongjiang
dodecafluoroheptyl methacrylate Actyflon-G*4 Molecular Formula:C*1H8O2F*2 Molecular weight:**0 CASï&frac*4;š Physical and Chemical properties Item Requirement Appearance Colorless Clear Liquid Densityï&frac*4;Œg/mlï&frac*4;Œ*5℃ 1.**9 Refractive index(ηD*5) 1.***2 Boiling pointï&frac*4;Œâ„ƒ ******0 Flash point, closed cup, ℃ *7 Vapour pressure, KPa, ℃ *3 Solubility, wt%, *0℃water Not soluble in water, almost soluble in all organic solvent Quality standards Item Requirement Purityï&frac*4;Œâ‰¥ï&frac*4;Œ% *6 moistureï&frac*4;Œâ‰¤ï&frac*4;Œ% 0.5 chromaï&frac*4;ˆAPHAï&frac*4;‰ï&frac*4;Œâ‰¤ *0 Acidity(about methacrylic acid)ï&frac*4;Œâ‰¤ï&frac*4;Œ% 0.5 Properties   The Actyflon-G*4 is a polyfluorine-containing monomer of polymers which may reinforce to resin’s performance. The polymers of this G**-containing has excellent heat and chemical resistance , stain resistance , low refractive index, non-cohesiveness, water and oil repellency, electric insulating properties.and etc , because it contains plentiful fluorine in its side chain, the weight ratio of fluorine in its molecular weight is *7% and atom ratio in its molecular is *0%. The tranquilization is better than other monomers. The fluorine atom is very compact. In addition, the distance of the C-F bond is short and the bonding energy is higher than that of other bonds. This leads to a decrease in the cohesive energy between molecules and lowers the surface free energy of the polymer, thereby making the polymer less wettable and adhesive. G*4 can easily copolymerize with other acrylate-type monomers, also can polymerize with polymers that have a reactive functional group in their side chain such as (meth)acrylic acid, hydroxyalkyl acrylate and hydroxyalkyl acryl amide