- Fluorine-containing olefin, fluorine-containing polymer and thermoplastic resin composition prepared by using said polymer
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To provide a fluorine-containing olefin represented, for example, by CH2 =CFCF2 --Rf6 --(CH2)k --X2 [wherein, X2 is STR1 Rf6 is a fluorine-substituted fluorine-containing alkyl group having 1 to 40 carbon atoms or --ORf7 --(Rf7 is a fluorine-substituted fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-substituted fluorine-containing ether group having 3 to 50 carbon atoms), k is 0 or an integer of 1 to 6]; a fluorine-containing polymer with functional group which is prepared by polymerizing the above-mentioned olefin, has good affinity with various heat-resisting thermoplastic resins and is capable of forming homogeneous dispersion with the thermoplastic resin; and a thermoplastic resin composition comprising the above-mentioned fluorine-containing polymer with functional group and an aromatic polyester or the like as the heat-resisting thermoplastic resin.
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- Novel fluorovinyl ether and copolymer comprising the same
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A fluorovinyl ether of the formula: wherein X is a hydrogen atom or a halogen atom (e.g. fluorine, chlorine, bromine and iodine); Y is a fluorine atom or a trifluoromethyl group; m is an integer of 0 to 5; and n is 0, 1 or 2, which can modify a polymer of at least one ethylenically unsaturated compound.
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- 2,2-difluoropropionic acid derivatives
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2,2,3-trifluoropropionyl fluoride is prepared by opening the ring of tetrafluorooxetane in the presence of a catalyst. Analogously, a novel 2,2-difluoropropionic acid derivative of the formula: wherein X is chlorine, bromine, iodine, a group of the formula: or wherein R1 R2 are each an aliphaic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms or an aromatic hydrocarbon group having 6 to 8 carbon atoms optionally bearing at least one substituent, or a group of the formula: wherein X' is fluorine, chlorine, bromine, iodine, the group of the formula: R1 O--or R2 COO--; and Y is fluorine or a group of the formula: wherein R3 is an aliphatic or halogenated aliphatic hydrocarbon group having 1 to 8 carbon atoms except a perfluorohydrocarbon group or an aromatic hydrocarbon group having 6 to 8 carbon atoms optionally bearing at least one substituent or of the formula : wherein Rf is an aliphatic perfluorohydrocarbon having 1 to 7 carbon atoms is prepared.
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