Reference of 21436-03-3, An article , which mentions 21436-03-3, molecular formula is C6H14N2. The compound – (1S,2S)-Cyclohexane-1,2-diamine played an important role in people’s production and life.
The invention provides a Schiff base iron compound, its preparation method and its application as catalyst, the present invention provides of the Schiff base iron compound, of formula (I) has a structure shown in, wherein Y is – CH2 – CH2 – CH2 – Or R is – H or alkyl. The present invention provides of the Schiff base iron compound has NNOO coordination capability is carried, so as to form a metal active center binding site, to obtain four coordination sheaff alkali iron catalyst. The invention will be the states the sheaf alkali iron compound for catalyzing lactide and caprolactone ring-opening polymerization, catalytic activity is very high, at the same time racemic lactide has considerable selectivity, improves the polymerization product of the regularity of the microscopic chain structure. The experiment shows that, the method of the invention for the preparation of poly lactic acid monomer conversion rate may reach 90%, polycaprolactone monomer conversion rate may reach 99%. When the lactide as racemic when lactide, polylactic acid three-dimensional regularity (Pm) can be up to 0.60. (by machine translation)
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