Molecular formula :
nature : isocyanate itself can polymerization, aromatic isocyanate reaction by dimer formation dimer urea dione, the reversible reaction, dimer under high temperature decomposition, in the absence of catalyst under 2,4-TDI dimer 150 ° Cdecomposition, the 175 ° C to degrade completely. IPDI dimer can be used as a powder coating curing agent, decompose at high temperatures to make polyester, separate aliphatic isocyanates yet to be obtained dimer.
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