发明名称 |
SYNTHESIS OF CHLOROTRIFLUOROETHYLENE-BASED BLOCK COPOLYMERS BY IODINE TRANSFER POLYMERIZATION |
摘要 |
Methods for the synthesis of CTFE-based block copolymers through iodine transfer polymerization are disclosed. In an exemplary embodiment, a method includes reacting a fluoromonomer “M” with a chain transfer agent of the formula X—Y or Y—X—Y, wherein X represents a C1-C3 hydrocarbon, a C1-C6 hydrofluorocarbon, C1-C6 hydrochlorofluorocarbon, or C1-C6 fluorocarbon and Y represents iodine or bromine, in the presence of a radical initiator, to form a macro-initiator of the formula: X-poly(M)-Y or Y-poly(M)-X-poly(M)-Y, wherein poly(M) represents a polymer of the fluoromonomer. The method further includes reacting the macro-initiator with chlorotrifluoroethylene (CTFE) in the presence of a radical initiator to form a diblock or a triblock CTFE-based block copolymer of the formula: X-poly(M)-block-poly(CTFE) or PCTFE-block-poly(M)-X-poly(M)-block-PCTFE. |
申请公布号 |
EP3052536(A1) |
申请公布日期 |
2016.08.10 |
申请号 |
EP20140848121 |
申请日期 |
2014.09.12 |
申请人 |
HONEYWELL INTERNATIONAL INC.;CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE |
发明人 |
THENAPPAN, ALAGAPPAN;AMADURI, BRUNO;LOPEZ, GERALD |
分类号 |
C08F297/00;C08F2/00;C08F214/00 |
主分类号 |
C08F297/00 |
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