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Molecular formula : MW : CAS :
nature : one containing two or more of these functional groups as the monomer synthesis and simultaneous deposition of low molecular weight polymer-products (such as water, hydrogen chloride, etc.) process. For example dicarboxylic acid and diamines by condensation from polyamide, and produce water. Polycondensation reaction is characterized by : most of the reversible reaction and the reaction gradually, reaction time and molecular weight of the extension is gradually increasing, but the monomer conversion rate has almost nothing to do with the time. Under the reaction conditions can be divided into melt polycondensation reaction, solution polymerization, polycondensation reaction interface and solid-phase polycondensation reaction of four; According to materials used can be divided into both polycondensation reaction mixed polycondensation reaction and a total of three polycondensation reaction; According to the structure of the product can be divided into two to condensation or linear polycondensation reaction to the condensation and three or two body polycondensation reaction.
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