| 摘要 |
A process for the preparation of novel polymers comprises reacting a primary polyether polyamine of the formula A(EpNH2)m, wherein A is the residue of a polyether initiator having m initiator groups, E is an ether moiety from an oxirane compound, p is 5-90 and m is 2-8; with an aqueous solution of formaldehyde or with paraformaldehyde in the absence of a diluent.
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