Rhodia Operations

Hiroyuki Kitayama

Hironao Sajiki

Yasunari Monguchi

A method for producing a polyamine is described that provides excellent safety, a lot of flexibility regarding a variety of its productions, and that can produce a polyamine of high-molecular weight easily and inexpensively. The polyamine includes a combination of units of formula (1) or (2):&#x2014;(NH&#x2014;(CH)&#x2014;NH&#x2014;(CH))&#x2014;&#x2003;&#x2003;(1)(in the formula (1), independently in every unit, 'm' indicates an integral number of 0 or more and 'n' indicates an integral number of 3 or more.)&#x2014;(NH&#x2014;y&#x2014;NH &#x2014;Z)&#x2014;&#x2003;&#x2003;(2)(in the formula (2), independently in every unit, &#x201c;Y&#x201d; and &#x201c;Z&#x201d; are the same as or different from each other, and they indicate substituted or unsubstituted groups including unsaturated aliphatic, cyclic aliphatic or aromatic hydrocarbon radicals that can include hetero atoms.).

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Yao, Japan

Hiroyuki Kitayama