期刊
MACROMOLECULES
卷 43, 期 5, 页码 2377-2381出版社
AMER CHEMICAL SOC
DOI: 10.1021/ma902740t
关键词
-
资金
- Spanish Ministry of Science and Innovation [MAT2005-01179, MAT200763355]
The internal plasticization of PVC by displacement of chlorine with phthalate-based thiol additives, that is, the covalent attachment of the plasticizer to the PVC chain, is described for the first time. Using this methodology, a good plasticization efficiency is achieved although flexibility is reduced compared with that of commercial PVC-phthalate systems. However, the migration is completely suppressed. This approach may open new ways to the preparation of flexible PVC with permanent plasticizer effect and zero migration.
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