期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 25, 期 21, 页码 1865-1869出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400310
关键词
crosslinking; hydrogels; organogels; poly(epsilon-caprolactone); poly(ethylene glycol)
The reaction of triphosgene with poly(ethylene glycol) yielded poly(ethylene glycol) dichloroformate. This difunctional cross-linker was allowed to react with poly-(epsilon-caprolactone) bearing carbanionic sites obtained by activation with lithium diisopropylamide. The reaction resulted in the cross-linking of poly(epsilon-caprolactone) chains by poly(ethylene glycol) segments, giving copolymer networks that gel in both organic and aqueous media.
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