26-09-2013 дата публикации
Номер: US20130253221A1
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Described herein is an oligomer having a pendant bromine-containing moiety according to formula II and/or formula III; and combinations thereof; wherein X, X, and Xare each independently selected from F, Cl, H, and CF; R is a linear or branched linking group, which may be saturated or unsaturated, substituted or unsubstituted, and may comprise a heteroatom; each Zand Zis independently selected from F and CF; n is 0 or 1; q is 0 or 1; and m is at least 2. 4. The composition according to claim 3 , wherein the monomer is selected from:{'sub': 3', '2', '4', '9', '2', '3', '2', '3', '7', '2', '2', '2', '3', '2', '2', '3', '2', '2', '2', '2', '2', '2', '2', '2', '2', '3', '2', '2', '3', '2', '2', '2', '3', '2', '2', '2', '2', '2', '2', '2', '2', '2', '3, 'ethylene, tetrafluoroethylene, propylene, hexafluoropropylene, vinyl chloride, vinyl fluoride, a fluoroalkyl substituted ethylene, vinylidene fluoride, allyl iodide, fluorinated alkyl vinyl ethers, fluorinated alkoxy vinyl ethers, bromotrifluoroethylene, chlorotrifluoroethylene, CFCH═CH, CFCH═CH, CFOCF═CF, CFOCF═CF, CF═CFOCFCF(CF)OCFCFCF, CF═CFOCFCFCFCN, CF═CFOCFCFCFCOCH, CF═CFOCFCF(CF)OCFCFCOCH, CF═CFOCFCFCFCHOH, and CF═CFOCFCFCFOCF.'}5. The composition according to claim 1 , wherein the X claim 1 , X claim 1 , and Xare all F claim 1 , n is 1 claim 1 , and R is a perfluorinated alkylene.6. The composition according to claim 1 , wherein R is selected from: —(CH)— claim 1 , —(CF)— claim 1 , —(CF)—O—(CF)— claim 1 , —(CFCF(CF)O)— and —(CF)—[O—(CF)]— claim 1 , —[(CF)—O]—[(CF)—O]— claim 1 , —[(CF)—O—]—[(CFCF(CF)O)—]— claim 1 , and combinations thereof claim 1 , wherein a claim 1 , b claim 1 , c claim 1 , and d are each independently at least 1.9. The method according to claim 8 , wherein the energy source is added during the step of brominating the polysulfinate oligomer.10. The method according to claim 7 , wherein the brominating step is conducted in the presence of water.11. The method according to claim 8 , wherein the ...
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