Polycondensation

...In these cases, since the monomer is gas, gas-phase polymerization is also carried out.
[Condensation polymerization]
Polycondensation is also called polycondensation. In a condensation polymerization reaction, a reaction occurs between molecules of a compound that has two reactive groups in the same molecule to produce a polymer, and at the same time, small molecular products are produced as by-products.

*Some of the terminology that mentions "polycondensation" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…これらの場合モノマーは気体なので，気相重合も行われる。
【縮合重合condensation polymerization】
　重縮合(縮重合)polycondensationともいう。縮合重合反応(重縮合反応)では，同一分子の中に2個の反応性基をもつ化合物の分子の間で反応が起こって高分子が生成し，同時に小さい分子の生成物が副生する。…

※「polycondensation」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報