作者: Katsuji Ito , Masashi Matsuo , Masayuki Tamura
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摘要: A high performance water and oil repellant composed of a compound comprising at least two terminal segments an intermediate segment connecting the having molecular weight from 800 to 20,000, each containing one polyfluoroalkyl group connected by --CONH-- linking group, said being urethane oligomer groups in molecule, group.