| 英文名称: | | 1,4-butanediol, polymers with 2,3-bis[( gamma- omega -perfluoro-c6-20-alkyl)thi | | o]-1,4-butanediol, c36-alkylene diisocyanate and 1,6-diisocyanato-2,2,4(or 2,4, | | 4)-trimethylhexane | | 1,4-butanediol, polymers with 2,3-bis[( gamma- omega-perfluoro-c6-20-alkyl)thio]-1,4-butanediol, c36-alkylene diisocyanateand 1,6-diisocyanato-2,2,4(or 2,4,4)-trimethylhexane |
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