Process for the purification of polyol PFPE derivatives

A process for purifying a polyol (per)fluoropolyether derivative [polyol (P)] from a mixture of hydroxyl (per)fluoropolyether derivatives [mixture (M)]. Such polyol (P) comprising one or more hydroxyl (per)fluoropolyether derivatives [PFPE (OH)] comprising at least one (per)fluoropolyoxyalkylene chain (chain R f ) and at least one end-group having formula (t 3 )-CF 2 CH 2 OCH 2 CH(OH)CH 2 OCH 2 CH(OH)CH 2 OH. Such mixture (M) comprising the polyol (P) and at least one PFPE (OH) different from the polyol (P) and comprising at least one chain R f and at least one end-group selected from end-groups having formula (t 1 )-CF 2 CH 2 OH and formula (t 2 )-CF 2 CH 2 OCH 2 CH(OH)CH 2 OH. The process comprises the steps of: 1) reacting the mixture (M) with a ketone, an aldehyde or a combination thereof to yield corresponding mixture of cyclic ketal/acetal (per)fluoropolyether derivatives [PFPEs (OH) p ] [protected mixture (P)]; 2) carrying out a molecular distillation of the protected mixture (P) to isolate a protected product heavy residue [product (P r )]; 3) hydrolyzing the product (P r ) to yield deprotected product [product (P d ]); and 4) carrying out a distillation under reduced pressure of the product (P d ) to obtain polyol (P).

Crosslinkable fluororubber composition and crosslinked rubber article

Obtaining a crosslinked rubber with high flexibility at low temperature includes crosslinking a fluororubber composition. The fluororubber composition includes a fluororubber and a compound of formula (X—) x (Z—) z Y. In the formula, X is U—(CF 2 ) a O(CF 2 CF 2 O) b —; Z is R F O(CF 2 CF 2 O) c —; Y is a (x+z) valent perfluoro saturated hydrocarbon group, optionally interrupted by an etheric oxygen atom; x is an integer of at least 3; z is an integer of at least 0; U is a monovalent group with an unsaturated hydrocarbon, a bromine atom, an iodine atom, or a combination thereof; R F is a C 1-20 linear perfluoroalkyl group, optionally interrupted by an etheric oxygen atom; a is an integer of from 0 to 20; b is an integer of from 1 to 200; and c is an integer of from 3 to 200.

Simplified organic electronic device employing polymeric anode with high work function

An electronic device employing a polymeric anode with high work function.

CURABLE FLUOROELASTOMER COMPOSITION

Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain carbazates. The carbazate is of the general formula ROC(O)NHNHR, wherein Ris 9-fluorenylmethyl, benzyl, aryl, or a heterocycle; Ris H, alkyl, aryl, heterocycle, CORor CHR; Ris alkyl, aryl, benzyl or a heterocycle; and Ris a fluoroalkyl group. 1. A curable composition comprising:A) a fluoroelastomer comprising copolymerized units of a nitrile group-containing cure site monomer; and{'sup': 1', '2', '1', '2', '3', '4', '3', '4, 'sub': 2', '2, 'B) a carbazate of the general formula ROC(O)NHNHR, wherein Ris 9-fluorenylmethyl, benzyl, aryl, or a heterocycle; Ris H, alkyl, aryl, heterocycle, CORor CHR; Ris alkyl, aryl, benzyl or a heterocycle; and Ris a fluoroalkyl group.'}2. A curable composition of wherein Ris H or COR.3. A curable composition of wherein said carbazate is selected from the group consisting of 9-fluorenylmethyl carbazate; diphenylmethyl carbazate; 1-(tert-butoxycarbonyl)-2-phenylhydrazine; phenyl carbazate; and benzyl carbazate.4. A curable composition of wherein said carbazate has at least one oxygen atom replaced by a sulfur atom.5. A curable composition of further comprising a curative accelerator.6. A cured article made from the composition of .7. A cured article of having a volume swell claim 6 , measured according to ASTM D1414 claim 6 , after exposure to 225° C. water for at least 168 hours of less than 5% and a compression set claim 6 , 300° C. claim 6 , 70 hours claim 6 , 15% compression claim 6 , measured according to ASTM D395 of less than 70%. This application claims the benefit of U.S. Provisional Application No. 61/469,856 filed Mar. 31, 2011.This invention relates to curable fluoroelastomer compositions and more particularly to fluoroelastomer compositions containing certain carbazates as curing agents.Fluoroelastomers have achieved outstanding commercial success and are used in a wide variety ...

CURABLE FLUOROELASTOMER COMPOSITION

Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain hydrazide curatives. The hydrazide is of the general formula R(C(O))NHNHR, wherein n is 1 or 2; Ris NH, NHNH, NHR, NR, NHNHC(O)NH, NHNHC(O)NHNH, NHNHR, or NHC(O)NHNH; Ris H, alkyl, aryl, heterocycle, COR, C(O)R, CHR, or C(O)R; Ris alkyl, aryl, heterocycle, or CHR; and Ris a fluoroalkyl group. 1. A curable composition comprising:A) a fluoroelastomer comprising copolymerized units of a nitrile group-containing cure site monomer; and{'sup': 1', '2', '1', '3', '3', '2', '2', '3', '3', '4', '4', '3', '4', '4, 'sub': n', '2', '2', '2', '2', '2', '2', '2', '2', '2, 'B) a hydrazide of the general formula R(C(O))NHNHR, wherein n is 1 or 2; Ris NH, NHNH, NHR, NR, NHNHC(O)NH, NHNHC(O)NHNH, NHNHR, or NHC(O)NHNH; Ris H, alkyl, aryl, heterocycle, COR, C(O)R, CHRor C(O)R; Ris alkyl, aryl, heterocycle, or CHR; and Ris a fluoroalkyl group.'}2. A curable composition of wherein n is 1; Ris NH claim 1 , NHNH claim 1 , NHR claim 1 , NR claim 1 , NHNHC(O)NH claim 1 , NHNHC(O)NHNH claim 1 , NHNHR claim 1 , or NHC(O)NHNH; and Ris H.3. A curable composition of wherein n is 2; Ris NH claim 1 , NHNH claim 1 , NHR claim 1 , NR claim 1 , NHNHC(O)NH claim 1 , NHNHC(O)NHNH claim 1 , NHNHR claim 1 , or NHC(O)NHNH; and Ris H.4. A curable composition of wherein n is 1; Ris NH claim 1 , NHNH claim 1 , NHR claim 1 , NR claim 1 , NHNHC(O)NH claim 1 , NHNHC(O)NHNH claim 1 , NHNHR claim 1 , or NHC(O)NHNH; and Ris COR.5. A curable composition of wherein n is 2; Ris NH claim 1 , NHNH claim 1 , NHR claim 1 , NR claim 1 , NHNHC(O)NH claim 1 , NHNHC(O)NHNH claim 1 , NHNHR claim 1 , or NHC(O)NHNH; and Ris COR.6. A curable composition of wherein said hydrazide is selected from the group consisting of carbohydrazide; carbonic dihydrazide claim 1 , dihydrochloride; 4-phenylsemicarbazide; 4-phenylsemicarbazide hydrochloride; 4 claim 1 ,4-diphenylsemicarbazide; oxamic ...

Adhesive composition containing resin having carbon-carbon multiple bond

An adhesive composition has a polymer that contains a unit structure of Formula (1): L 1 -O-T 1 -O  Formula (1) (where L 1 is an arylene group or a combination of an arylene group and a sulfonyl group or a carbonyl group, and T 1 is a fluoroalkylene group, a cyclic alkylene group, an arylene group having a substituent, or a combination of an arylene group optionally having a substituent and a fluoroalkylene group or a cyclic alkylene group) and contains, at a terminal or in a side chain or the main chain, at least one group containing a structure of Formula (2-A), a structure of Formula (2-B), or both structures:

Thermoprocessable per(halo)fluoropolymer composition

The invention pertains to a thermoprocessable composition comprising: at least one thermoprocessable per(halo)fluoropolymer [polymer (A)]; at least one inorganic filler [filler (I)]; and at least one perfluoropolyether block copolymer [polymer (E)] comprising: A) one or more (per)fluoropolyoxyalkylene segment (chain R f ), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and B) one or more polyalkylene segment (chain R a ) comprising recurring units of formula: —(CR 1 R 2 —CR 3 R 4 )— wherein R 1 , R 2 , R 3 , R 4 , equal to or different from each other, are selected from the group consisting of H, halogens (preferably F, Cl); C 1 -C 6 (hydro)carbon groups, optionally containing fluorine or other heteroatoms, preferably perfluoroalkyl or (per)fluorooxyalkyl.

Fluoropolyether elastomer compositions having low glass transition temperatures

A curable composition is provided. The curable composition has at least one functionalized fluoropolyether and at least one radical curing system. Further provided are fluoroelastomer compositions having a glass transition temperature of less than −40° C. and shaped articles comprising fluoroelastomers having glass transition temperatures of less than −40° C. obtained by curing the curable compositions. Also described are methods of making fluoroelastomer compositions having glass transition temperatures of less than −40° C.

METHOD FOR FORMING COATING FILM OF PHOTOCURABLE FLUOROPOLYETHER-BASED ELASTOMER COMPOSITION

Provided is a method for forming a coating film of a photocurable fluoropolyether-based elastomer composition, with which a uniform cured product of the composition can be obtained even in an interface, dark portion and deep portion of a base material without being subjected to a curing inhibition from the base material (resin base material in particular). The method for forming the coating film of the photocurable fluoropolyether-based elastomer composition includes a step of applying a light-irradiated photocurable fluoropolyether-based elastomer composition to a surface of a base material. 1. A coating film forming method for forming a coating film of a photocurable fluoropolyether-based elastomer composition , comprising:a step of applying a light-irradiated photocurable fluoropolyether-based elastomer composition to a surface of a base material.2. The coating film forming method for forming the coating film of the photocurable fluoropolyether-based elastomer composition according to claim 1 , wherein after finishing performing light irradiation on the photocurable fluoropolyether-based elastomer composition claim 1 , the photocurable fluoropolyether-based elastomer composition is then applied to the surface of the base material.3. The coating film forming method for forming the coating film of the photocurable fluoropolyether-based elastomer composition according to claim 1 , wherein the photocurable fluoropolyether-based elastomer composition is applied to the surface of the base material while performing light irradiation on the photocurable fluoropolyether-based elastomer composition.4. The coating film forming method according to claim 1 , wherein light irradiation is performed with an ultraviolet light whose maximum peak wavelength is in a range of 300 to 400 nm claim 1 , where an irradiation dose is 100 mJ/cmto 100 claim 1 ,000 mJ/cmin terms of cumulative intensity.5. The coating film forming method according to claim 1 , wherein the photocurable ...

FLUORINATED COMPOUND, COMPOSITION FOR FORMING HARD COAT LAYER, AND ARTICLE HAVING HARD COAT LAYER

A fluorinated compound represented by D-R—O—CH—(CFO)-A (wherein Dis CF— or CF—O—, Ris a Cfluoroalkylene group containing at least one hydrogen atom, a Cfluoroalkylene group containing at least one hydrogen atom and having an etheric oxygen atom between carbon-carbon atoms, etc., m is an integer of from 1 to 6, n is an integer of from 1 to 200, and A is a monovalent organic group having at least one (meth)acryloyl group), which is capable of imparting excellent antifouling properties (oily ink repellency, fingerprint stain removability) and lubricity to e.g. a hard coat layer; a hard coat layer-forming composition which contains such a fluorinated compound; and an article having a hard coat layer formed from such a composition. 2. The fluorinated compound according to claim 1 , wherein said (CFO)is {(CFO)(CFCFO)}(wherein n1 is an integer of at least 1 claim 1 , and n2 is an integer of at least 0 claim 1 , provided that n1+n2 is an integer of from 1 to 200 claim 1 , and bonding order of n1 number of CFO and n2 number of CFCFO is not limited).9. The fluorinated compound according to claim 1 , which has a number average molecular weight of from 800 to 80 claim 1 ,000.10. A hard coat layer-forming composition comprising a fluorinated compound as defined in claim 1 , a photopolymerizable compound (excluding the above fluorinated compound) claim 1 , and a photopolymerization initiator.11. The hard coat layer-forming composition according to claim 10 , which further contains a liquid medium.12. The hard coat layer-forming composition according to claim 11 , wherein the content of the fluorinated compound is from 0.01 to 5 mass % in the solid content (100 mass %).13. An article comprising a substrate and a hard coat layer formed from the hard coat layer-forming composition as defined in .14. The article according to claim 13 , wherein the material for the substrate is a metal claim 13 , a resin claim 13 , a glass claim 13 , a ceramics claim 13 , or a composite material ...

Perfluoro surfactant and preparation method therefor

A perfluoro surfactant and a preparation method therefor. A carbon fluorine bond is not prone to break when the perfluoro surfactant is used as an emulsifier in a fluorine polymer reaction, such that the average molecular weight of a fluorine polymer generated in the fluorine polymer reaction is significantly increased. The preparation method is implemented in a continuous micro-channel reaction system, where the retention time of a reactant in the reaction system can be greatly shortened to few minutes or even seconds, a back-mixing phenomenon in the reaction system can be basically eliminated, and thus the occurrence of a side reaction, an optical coupling reaction, can be greatly reduced. There are reaction stages comprising an ozonization reaction and a photo-oxidation reaction.

PERFLUOROPOLYETHER-BASED RUBBER COMPOSITION, CURED OBJECT OBTAINED THEREFROM, AND PRODUCT INCLUDING SAME

A perfluoropolyether-based rubber composition which gives cured objects excellent in terms of heat resistance, low-temperature resistance, organic-solvent resistance, and acid resistance, the rubber composition being characterized by comprising (a) a linear perfluoropolyether compound having a number-average molecular weight of 1,000-100,000 and including at least two azido groups in the molecule and a divalent perfluoroalkyl ether structure in the main chain and (b) a linear perfluoropolyether compound having at least three ethynyl groups in the molecule. 1. A perfluoropolyether-based rubber composition comprising:(a) a linear perfluoropolyether compound containing at least two azide groups per molecule and a divalent perfluoroalkylether structure in its main chain, and having a number average molecular weight of 1,000 to 100,000 and(b) a linear perfluoropolyether compound containing at least three ethynyl groups per molecule.6. The perfluoropolyether-based rubber composition of which is heat curable.7. The perfluoropolyether-based rubber composition of claim 1 , further comprising (c) a transition metal catalyst.8. The perfluoropolyether-based rubber composition of which is room temperature curable.9. A perfluoropolyether-based rubber cured product which is formed by curing the perfluoropolyether-based rubber composition of .10. An article comprising the cured product of .11. The article of which is a rubber part for use in an automobile claim 10 , chemical plant claim 10 , inkjet printer claim 10 , semiconductor manufacturing line claim 10 , analytical or scientific instrument claim 10 , medical equipment claim 10 , residential environment or aircraft. This invention relates to a perfluoropolyether-based rubber composition comprising a linear perfluoropolyether compound containing at least two azide groups per molecule and a linear perfluoropolyether compound containing at least three ethynyl (—C≡C—H) groups per molecule, and a cured product thereof. More ...

FLUORINATED COMPOUND, CURABLE COMPOSITION COMPRISING SAME, AND CURED PRODUCT

A fluorinated compound having at least one (meth)acrylate functional group disclosed. A curable composition comprising the fluorinated compound and polyfunctional acrylate, a cured product formed from the curable composition, and method of forming the cured product are also disclosed. 5. The fluorinated compound of wherein each Yis independently said bivalent linking group claim 1 , said bivalent linking group being independently selected from the group of a hydrocarbylene group claim 1 , a heterohydrocarbylene group claim 1 , or an organoheterylene group.6. The fluorinated compound of wherein R: (i) is partially fluorinated; (ii) comprises a perfluoropolyether segment; or (iii) both (i) and (ii).7. The fluorinated compound of wherein Rcomprises said perfluoropolyether segment claim 6 , said perfluoropolyether segment comprising moieties of general formula (7):{'br': None, 'sub': 3', '6', 'x', '2', '4', 'y', '2', 'z, '—(CFO)—(CFO)—(CF)—\u2003\u2003(7);'}wherein subscripts x, y, and z are each independently selected from 0 and an integer from 1 to 40, with the proviso that x, y, and z are not simultaneously 0.9. The fluorinated compound of comprising two or more (meth)acrylate functional groups represented by R.10. The fluorinated compound of wherein one Ris represented by —Y—R.11. A curable composition claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'said fluorinated compound of ; and'}a polyfunctional acrylate.12. The curable composition of further comprising:a fluoro-substituted compound different from the fluorinated compound and having an aliphatic unsaturated bond; anda reinforcing filler.13. A cured product formed by curing the curable composition of .14. An article comprising the cured product of and a substrate claim 13 , the cured product being disposed on the substrate.15. The article of claim 14 , the article comprising an electronic article claim 14 , an optical article claim 14 , consumer appliance or a component thereof claim 14 ...

COMPOUNDS, COMPOSITIONS INCLUDING THE SAME, AND LAYERED STRUCTURES AND DEVICES PREPARED FROM THE COMPOSITIONS

A composition including a perfluoropolyether compound, and an organic solvent configured to dissolve or disperse the perfluoropolyether compound, wherein the perfluoropolyether compound includes a first end and a second end facing each other and a perfluoropolyether moiety disposed between the first end and the second end, wherein the first end includes an organic group having 6 or more carbon atoms, and wherein the second end includes a hydrolysable silicon-containing residual group. 1. A composition , comprising:a perfluoropolyether compound; andan organic solvent configured to dissolve or disperse the perfluoropolyether compound,wherein the perfluoropolyether compound comprises a first end and a second end facing each other and a perfluoropolyether moiety disposed between the first end and the second end,wherein the first end comprises an organic group comprising 5 or more carbon atoms, andwherein the second end comprises a hydrolysable silicon-containing moiety.2. The composition of claim 1 , wherein the organic group comprises a C5 to C60 substituted or unsubstituted aliphatic hydrocarbon group claim 1 , a C5 to C60 substituted or unsubstituted aromatic hydrocarbon group claim 1 , a C6 to C60 substituted or unsubstituted aliphatic hydrocarbon group wherein at least one methylene is replaced by sulfonyl (—S(═O)—) claim 1 , carbonyl (—C(═O)—) claim 1 , ether (—O—) claim 1 , sulfide (—S—) claim 1 , sulfoxide (—S(═O)—) claim 1 , ester (—C(═O)O—) claim 1 , amide (—C(═O)NR—) (wherein claim 1 , R is hydrogen or a C1 to C10 linear or branch alkyl group) claim 1 , imine (—NR—) (wherein claim 1 , R is hydrogen or a C1 to C10 linear or branch alkyl group) claim 1 , or a combination thereof claim 1 , a substituted or unsubstituted poly(alkylene oxide) residual group claim 1 , a substituted or unsubstituted polyester residual group claim 1 , or a combination thereof.3. The composition of claim 1 , wherein the organic group is a C5 to C60 substituted or unsubstituted alkyl ...

FLUOROELASTOMER COMPOSITION

The invention pertains to a fluoroelastomer composition including at least a nitrile-containing (per)fluoropolyether compound and at least one bis-amino(thio)phenol compound of formula (I), wherein: A is —SO—, —O—, —C(O)— or divalent hydrocarbon groups of 1 to 10 carbon atoms, E is independently oxygen or sulphur and —NH2 groups are in ortho with respect to EH groups; to a process for manufacturing a (per)fluoropolyether-based thermoset and to a (per)fluoropolyether-based thermoset obtained therefrom. 115-. (canceled)17) The composition according to claim 16 , wherein A is hexafluoropropylidene.18) The composition according to claim 16 , wherein:{'sub': f', 'fs, 'said compound (CN-PFPE) comprises a (per)fluoropolyether backbone chain [chain (R)] and, optionally, one or more (per)fluoropolyether side chains [chain(s) (R)], and'}{'sub': f', 'fs', 'f', 'fs, 'one or more nitrile groups of said plurality are pendant groups from at least one of said chain (R) and chain(s) (R), and/or are positioned at a terminal position of one or more of said chain (R) and chain(s) (R) or at a position adjacent to said terminal position.'}19) The composition according to claim 18 , wherein said compound (CN-PFPE) has formula (II):{'br': None, 'sup': A', '1', 'A′, 'sub': 'f', 'T-O—R-T\u2003\u2003(II)'}wherein:{'sub': f', 'f', 'n1', 'f', 'n2, 'sup': 1', '2', '3, 'Ris a (per)fluoropolyoxyalkylene backbone chain with formula [R—O][R—O],'}wherein:{'sub': 'f', 'sup': '2', 'each of R, equal to or different from each other at each occurrence, is a (per)fluoroalkylene group;'}{'sub': 'f', 'sup': '3', 'each of R, equal to or different from each other at each occurrence, is a (per)fluoroalkylene group comprising at least one nitrile group;'}n1 and n2 are integers different from zero,{'sup': A', 'A′, 'sub': '2', 'Tand T, equal to or different from each other, are groups of formula Y—CF—, wherein'}{'sub': 1', '3, 'Y is selected from the group consisting of F, Cl, and a C-Cperfluoroalkyl group.'}20) ...

FLUOROSURFACTANTS

The present invention provides a surfactant having a formula selected from the group consisting of: B—((X)—(CH)-M(VI), (A-(CH)—(X)—B—(X)—(CH)-A)(IV), (A-(CH)—(X)—B)(V), and (B)—(X)—(CH)—A (VII), wherein A is a perfluoropolyether; a is a positive integer; X is either a covalent bond or a linking group; x is a positive integer; B is a polyalkylene oxide unit; n is a positive integer greater than and, in compounds comprising more than one A, B, X, a and x, each may be the same or different. The present invention also relates to methods of making such surfactants, uses of such surfactants and emulsions comprising such surfactants. 1. A surfactant having a formula selected from the group consisting of:{'br': None, 'sub': x', '2', 'a', 'n, 'B—((X)—(CH)-M\u2003\u2003(VI),'}{'br': None, 'sub': 2', 'a', 'x', 'x', '2', 'a', 'n, '(A-(CH)—(X)—B—(X)—(CH)-A)\u2003\u2003(IV),'}{'br': None, 'sub': 2', 'a', 'x', 'n, '(A-(CH)—(X)—B)\u2003\u2003(V), and'}{'br': None, 'sub': n', 'x', '2', 'a, '(B)—(X)—(CH)-A \u2003\u2003(VII),'}wherein,A is a perfluoropolyether;a is a positive integer;X is either a covalent bond or a linking group;x is a positive integer;B is a polyalkylene oxide unit;n is a positive integer greater than 1 and, in compounds comprising more than one A, B, X, a and x, each may be the same or different.2. A surfactant as claimed in having the formula (II):{'br': None, 'sub': 2', 'a', 'x', 'x', '2', 'a, 'A-(CH)—(X)—B—(X)—(CH)-A \u2003\u2003(II),'}wherein each A, X, a and x may be the same or different.3. A surfactant as claimed in claim 1 , wherein each A comprises a repeat unit of the formula:{'br': None, 'sub': 3', '2', 'b, '—[CF(CF)CFO]—,'}wherein b is a positive integer or {'br': None, 'sub': 2', '2', 'c', '3', '2', 'b, '˜[CFCFO]—[CF(CF)CFO]—,'}, 'wherein each A comprises a unit of the formulawherein b and c are each 0 or a positive integer, with the proviso that b and c are not both 0; or {'br': None, 'sub': 3', '2', '2', '3', '2', 'b', '3, 'CFCFCFO—[CF(CF)CFO]—CF(CF ...

CURABLE FLUOROPOLYETHER GEL COMPOSITION AND GEL ARTICLE

A curable fluoropolyether gel composition comprising (A) a linear polyfluoro compound having at least two alkenyl groups and a perfluoropolyether structure in its backbone, (B) a polyfluoromonoalkenyl compound having one alkenyl group and a perfluoropolyether structure in its backbone, (C) a fluorinated organohydrogensiloxane having at least two SiH groups, and (D) a platinum-based hydrosilylation catalyst is improved by adding (E) a fluorinated acetylene alcohol as reaction regulator. The resulting composition has advantages including uniform dispersion of the catalyst, storage stability, consistent curability, and cured hardness. 1. A curable fluoropolyether-based gel composition comprising(A) 100 parts by weight of a linear polyfluoro compound containing at least two alkenyl groups per molecule and having a perfluoropolyether structure in the backbone,(B) 1 to 300 parts by weight of a polyfluoromonoalkenyl compound containing one alkenyl group per molecule and having a perfluoropolyether structure in the backbone,(C) a fluorinated organohydrogensiloxane having at least two silicon-bonded hydrogen atoms (i.e., SiH groups) per molecule, in an amount to provide 0.5 to 3.0 moles of SiH groups per mole of alkenyl groups in components (A) and (B),(D) a platinum group metal-based hydrosilylation catalyst in an amount to provide 0.1 to 500 ppm of platinum group metal, and(E) 0.05 to 3.0 parts by weight of a fluorinated acetylene alcohol.4. The composition of claim 1 , wherein the fluorinated organohydrogensiloxane (C) contains at least one monovalent perfluoroalkyl claim 1 , monovalent perfluorooxyalkyl claim 1 , divalent perfluoroalkylene or divalent perfluorooxyalkylene group per molecule.6. A gel article comprising a cured product of the curable fluoropolyether-based gel composition of .7. Use of the gel article of in automobiles claim 6 , chemical plants claim 6 , inkjet printers claim 6 , semiconductor manufacturing lines claim 6 , analytical and scientific ...

INTERMEDIATE TRANSFER MEMBERS

An intermediate transfer member that includes a hydroxyl terminated poly(oxetane) based fluorinated polyether optionally crosslinked with an aminoplast resin. 1. An intermediate transfer member comprising a hydroxyl terminated poly(oxetane) based fluorinated polyether.2. An intermediate transfer member in accordance with wherein there is generated a crosslinked component by reacting said hydroxyl terminated poly(oxetane) based fluorinated polyether with an aminoplast resin.4. An intermediate transfer member in accordance with wherein said aminoplast resin is a melamine formaldehyde resin or a methylated/butylated melamine formaldehyde resin.5. An intermediate transfer member in accordance with wherein x is from about 2 to about 20 claim 3 , or from about 5 to about 12 claim 3 , and y is from about 2 to about 20 claim 3 , or from about 5 to about 10 claim 3 , and wherein said aminoplast resin is a melamine formaldehyde resin.7. An intermediate transfer member in accordance with where the fluoride content of said hydroxyl terminated poly(oxetane) based fluorinated polyether is from about 10 to about 70 weight percent.8. An intermediate transfer member in accordance with where the fluoride content of said hydroxyl terminated poly(oxetane) based fluorinated polyether is from about 20 to about 50 weight percent.9. An intermediate transfer member in accordance with wherein the crosslinked percentage is from about 55 to about 99 percent.10. An intermediate transfer member in accordance with wherein said conductive component is carbon black.12. An intermediate transfer member in accordance with wherein n is from about 75 to about 225 claim 11 , or wherein n from about 100 to about 175.13. An intermediate transfer member in accordance with wherein said polyimide is generated from curing at a temperature of from about 190° C. to about 325° C. a polyamic acid selected from the group consisting of the polyamic acid of biphenyl tetracarboxylic dianhydride/4 claim 11 ,4′- ...

SURFACE TREATMENT AGENT

A surface-treating agent containing (1) at least one perfluoro(poly)ether group containing silane compound of any of the formulae (A1), (A2), (B1), (B2), (C1), (C2), (D1) and (D2): 2. The surface-treating agent according to wherein the content of the fluorine containing oil having a molecular weight of 2.0 or more times higher than the number average molecular weight of the fluorine-containing oil among the fluorine containing oil of the formula (O) is 5 mol % or less.3. The surface-treating agent according to wherein a content of the fluorine containing oil having a molecular weight of 1.8 or more times higher than the number average molecular weight of the fluorine-containing oil among the fluorine containing oil of the formula (O) is 10 mol % or less.4. The surface-treating agent according to wherein the content of the fluorine containing oil having a molecular weight of 1.8 or more times higher than the number average molecular weight of the fluorine-containing oil among the fluorine containing oil of the formula (O) is 5 mol % or less.5. The surface-treating agent according to wherein a number average molecular weight of the fluorine containing oil is 1 claim 1 ,500 or more and 30 claim 1 ,000 or less.6. The surface-treating agent according to wherein the number average molecular weight of the fluorine containing oil is 2 claim 5 ,000 or more and 10 claim 5 ,000 or less.8. The surface-treating agent according to wherein the content of the fluorine containing oil having a molecular weight of 5 claim 7 ,000 or more in the fluorine containing oil of the formula (O) is 5 mol % or less.9. The surface-treating agent according to wherein a dispersity of the fluorine containing oil is 1.00 or more and 1.20 or less.10. The surface-treating agent according to wherein the dispersity of the fluorine containing oil is 1.00 or more and 1.10 or less.11. The surface-treating agent according to wherein the number average molecular weight of the fluorine containing oil is 1 ...

Compounds

The present invention relates to compounds according to formula (Ia) or formula (Ib);wherein each W is independently selected from the group consisting of H, F, Cl, Br, I and (CY2)mCY3; each Y is independently selected from the group consisting of F, Cl, Br and I; each Z is independently selected from the group consisting of H, OH, (CW2)pCW3, CY3, OCW3, O(CW2)pCW3, OCW((CY2)mCY3)CWCW2, (CW2)pOH, polyalkylene glycol and polyolester; n is an integer from 2 to 49; m is an integer from 0 to 3; p is an integer from 0 to 9; the molecular weight average (MW) is ≤5500; and the polydispersity index is ≤1.45; compositions comprising these compounds and methods for their production.

SURFACE TREATMENT AGENT FOR SUBSTRATE, COMPRISING PERFLUOROPOLYETHER GROUP-CONTAINING PHOSPHATE COMPOUND

To provide a surface treatment agent capable of imparting excellent water/oil repellency, fingerprint stain removability, abrasion resistance and lubricity to the surface of a substrate. 1: A surface treatment agent , comprising a perfluoropolyether group-containing phosphate compound , wherein the perfluoropolyether group-containing phosphate compound is a compound represented by formula (1):{'br': None, 'sup': 1', '1, 'sub': m', '2m', 'n1, 'B—(CFO)-A\u2003\u2003(1)'}{'sup': 1', '1', 'F1', '1', '1', '1', '1', '2', '1', '2', '1', 'F1', '1', '1, 'sub': 2', '2, 'wherein Ais a monovalent organic group having at least one phosphoric acid group at its terminal, Bis R—O— or D-Q-O—CH— and a compound represented by the formula (1) wherein Ais a monovalent organic group having at least one phosphoric acid group at its terminal, Bis A-O—, wherein a content of the compound represented by the formula (1) wherein Bis A-O— is from 10 to 60 parts by mass, per 100 parts by mass in total of the compound represented by the formula (1) wherein Bis R—O— or D-O—O—CH—,'}{'sup': F1', '1', '1', '2, 'sub': 1-6', '3', '3', '1-20', '2-20', '1-20', '2-20, 'wherein Ris a Cperfluoroalkyl group, Dis CF— or CF—O—, Ois a Cfluoroalkylene group comprising a hydrogen atom, a Cfluoroalkylene group comprising a hydrogen atom and having an etheric oxygen atom between carbon-carbon atoms, a Calkylene group, or a Calkylene group having an etheric oxygen atom between carbon-carbon atoms, and Ais a monovalent organic group having at least one phosphoric acid group at its terminal,'}m is an integer of from 1 to 6, and{'sub': m', '2m', 'n1', 'm', '2m, 'n1 is an integer of from 1 to 200, provided that when n1 is at least 2, (CFO)may be one composed of at least two types of (CFO) different in m.'}2: (canceled)3: The surface treatment agent according to claim 1 , wherein (CFO)is a group represented by formula (2-1):{'br': None, 'sub': r', '2r', 'n2', 's', '2s', 'n3, '(CFO)(CFO)\u2003\u2003(2-1)'}{'sub': r', '2r', ...

HYBRID FLUOROELASTOMER COMPOSITION, CURABLE COMPOSITION, AND METHODS OF MAKING AND USING THE SAME

A curable composition comprises a fluorinated polyether represented by the formula: Z—Xand a nonfluorinated polyether represented by the formula Q-XZrepresents a p-valent perfluorinated polyether group. Qrepresents a y-valent hydrocarbon polyether group. Each Xand Xgroup independently represents a functional group. p and y are integers ≧2. At least some of the p Xgroups are reactive to at least some of the y Xgroups to form a covalently cross-linked polymer network. Hybrid fluoroelastomers made by curing the curable compositions are also disclosed. 118-. (canceled)19. A curable composition comprising: [{'br': None, 'sup': 1', '1, 'sub': 'p', 'Z—X'}, [{'sup': '1', 'Zrepresents a p-valent perfluorinated polyether group;'}, {'sup': '1', 'each Xgroup independently represents a functional group selected from the group consisting of: —I; —Br; —Cl; —CN; nonfluorinated monovalent organic groups containing at least one —I, —Br, —Cl, —CN; and nonfluorinated monovalent free-radically polymerizable ethylenically-unsaturated organic groups; and'}, 'p is an integer greater than or equal to 2; and, 'wherein'}], 'a fluorinated polyether represented by the formula [{'br': None, 'sup': 1', '2, 'sub': 'y', 'Q-X'}, [{'sup': '1', 'Qrepresents a y-valent hydrocarbon polyether group;'}, {'sup': '2', 'each Xgroup independently represents a functional group selected from the group consisting of: aminoalkyl groups having from 1 to 6 carbon atoms, N-alkylaminoalkyl groups having from 2 to 12 carbon atoms, and nonfluorinated monovalent free-radically polymerizable ethylenically-unsaturated organic groups; and'}, 'y is an integer greater than or equal to 2, and, 'wherein'}, {'sup': 1', '2, 'wherein at least some of the p Xgroups are reactive to at least some of the y Xgroups to form a covalently cross-linked polymer network.'}], 'a nonfluorinated polyether represented by the formula'}20. The curable composition of claim 19 , wherein:{'sup': '1', 'sub': 4', '8', '3', '6', '2', '4', '2, ' ...

ANION EXCHANGE MEMBRANE BASED ON AROMATIC POLYMER FUNCTIONALIZED WITH IMIDAZOLIUM GROUP, PREPARATION METHOD THEREOF, AND VANADIUM REDOX FLOW BATTERY INCLUDING THE MEMBRANE

Disclosed are an anion exchange membrane based on an aromatic polymer functionalized with an imidazolium group, a preparation method thereof, and a vanadium redox flow battery including the membrane. The anion exchange membrane based on an aromatic polymer functionalized with an imidazolium group contains a compound represented by a following Chemical Formula 1: 2. The anion exchange membrane of claim 1 , wherein an ion exchange capacity (IEC) of the anion exchange membrane is in a range of 1.2 to 1.5 meq/g.3. The anion exchange membrane of claim 1 , wherein the anion exchange membrane has permeability of vanadium ions (VO) therethrough in a range of 1.2 to 2.0 10cm/min.4. The anion exchange membrane of claim 1 , wherein the anion exchange membrane has a thickness in a range of 120 to 140 μm.6. The method of claim 5 , wherein when reacting polyarylene ether ketone (PAEK) and 1-(3-aminopropyl) imidazole (API) with each other claim 5 , a molar ratio between a content of polyarylene ether ketone (PAEK) and a content of 1-(3-aminopropyl) imidazole (API) is in a range of 1:1.5 to 2.0.7. The method of claim 5 , wherein when reacting polyarylene ether ketone (PAEK) and 1-(3-aminopropyl) imidazole (API) with each other claim 5 , a molar ratio between a content of polyarylene ether ketone (PAEK) and a content of 1-(3-aminopropyl) imidazole (API) is 1:2.0.9. The method of claim 8 , wherein when reacting the intermediate compound and 1-(3-aminopropyl)imidazole (API) with each other claim 8 , a molar ratio between a content of the intermediate compound and a content of 1-(3-aminopropyl)imidazole (API) is in a range of 1:1.5 to 2.0.10. The method of claim 8 , wherein when reacting the intermediate compound and 1-(3-aminopropyl)imidazole (API) with each other claim 8 , a molar ratio between a content of the intermediate compound and a content of 1-(3-aminopropyl)imidazole (API) is 1:2.0.11. The method of claim 8 , wherein polyarylene ether ketone (PAEK) and N-hydroxysuccinimide ( ...

Method for the manufacture of fluorinated polymers and polymers obtainable therefrom

A method for the manufacture of fluorinated polymers and polymers obtainable therefrom are herein disclosed. The method envisages the reaction of a) first reagent [reagent (R1)] which is an alcohol selected from a (per)fluoropolyether (PFPE) alcohol a fluoroalkylene diol and a mixture thereof; b) a second reagent [reagent (R2)] which is a sulfonic ester of a PFPE, a sulfonic diester of a fluoroalkylene diol or a mixture thereof and, optionally, c) a third reagent which is a mono-functional (per)haloalkyl alcohol or a sulfonic ester thereof in the presence of an organic or inorganic base. At least reagent (R1) is a PFPE alcohol (A) or at least reagent (R2) is a PFPE sulfonic ester (B) and the overall equivalents of alcohols are the same as the overall equivalents of sulfonic esters. The method allows to obtain in a convenient way non-functional polymers comprising at least a PFPE segment and having high molecular weight.

(PER)FLUOROPOLYETHER (PFPE) POLYMERS

The present invention relates to novel (per)fluoropolyether polymers characterized by high molecular weight and high functionality, to a process for their manufacture and to their use as intermediate compounds in the preparation of further polymers. 117-. (canceled)18. A perfluoropolyether polymer [polymer (PFPE)] comprising a fully fluorinated backbone having two chain ends [chains (E)] bonded to opposite sides of said backbone ,{'sub': PFPE-EST', 'PFPE-EST', '3, 'sup': 1', '1', '1', '1, 'at least one of said chain (E) comprising one group of formula —C(═O)Xwith Xbeing —OH or an alkoxy chain comprising from 1 to 6 carbon atoms, and the other chain (E) comprising a group of formula —F, —CFor —C(═O)Xwith Xbeing as defined above,'} {'br': None, 'sup': '#', 'sub': z1', 'f', 'z2', 'F', '2', '2', '2', 'z', 'CF', '2', 'z*', '2', '2', 'Pf-F', 't, '—(CFX)O(R)(CFX*)D*—[O—CFCF(CF)O—R—O(CF)CFCF—R]—'}, 'and wherein said backbone complies with the following formulawherein:t is in integer from 1 to 30,each of z and z* is independently 0 or 1;z1 is an integer equal to or higher than 1;z2 is 0 or an integer equal to or higher than 1;{'sup': #', '#, 'sub': '3', 'X and X*, equal or different from each other, are —F or —CF, provided that when z1 and/or z2 are higher than 1, X and X* are —F;'}{'sub': 'F', 'D* is a perfluorinated alkylene chain comprising from 1 to 6 carbon atoms, said alkyl chain being optionally substituted with at least one perfluoroalkyl group comprising from 1 to 3 carbon atom;'}{'sub': 'CF', 'Ris a perfluoro alkyl chain comprising from 2 to 12 carbon atoms, optionally interrupted by one or more oxygen atoms;'}{'sub': 'f', 'sup': '∘', '(R) comprises repeating units R, said repeating units being independently selected from the group consisting of{'sub': '3', '(i) —CFXO—, wherein X is F or CF;'}{'sub': '3', '(ii) —CFXCFXO—, wherein X, equal or different at each occurrence, is F or CF, with the proviso that at least one of X is —F;'}{'sub': 2', '2', '2, '(iii) — ...

SURFACE TREATING AGENT

A surface-treating agent including at least one fluoropolyether group-containing compound of the following formula (1) or (2) as defined herein and a chlorine ion, wherein a chlorine ion concentration in the surface-treating agent is 0.1 ppm by mass or more and 1.0 ppm by mass or less. Also disclosed is a pellet including the surface-treating agent and an article including a base material and a layer which is formed on a surface of the base material from the surface-treating agent: 2. The surface-treating agent according to claim 1 , wherein Rfis each independently at each occurrence a Cperfluoroalkyl group.3. The surface-treating agent according to claim 1 , wherein Rfis each independently at each occurrence a Cperfluoroalkylene group.4. The surface-treating agent according to claim 1 , wherein Ris each independently at each occurrence a group of the formula:{'br': None, 'sub': 6', '12', 'a', '10', 'b', '4', '8', 'c', '3', '6', 'd', '2', '4', 'e', '2', 'f, 'sup': 'Fa', '—(OCF)—(OCSF)—(OCF)—(OCR)—(OCF)—(OCF)—'}{'sup': 'Fa', 'claim-text': 'a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, and the occurrence order of the respective repeating units enclosed in parentheses provided with a, b, c, d, e or f is not limited in the formula.', 'wherein Ris each independently at each occurrence a hydrogen atom, a fluorine atom or a chlorine atom; and'}5. The surface-treating agent according to claim 4 , wherein Ris a fluorine atom.6. The surface-treating agent according to claim 1 , wherein Ris each independently at each occurrence a group of the following formula (f1) claim 1 , (f2) claim 1 , (f3) claim 1 , (f4) or (f5):{'br': None, 'sub': 3', '6', 'd, '—(OCF)—\u2003\u2003(f1) {'br': None, 'sub': 4', '8', 'c', '3', '6', 'd', '2', '4', 'e', '2', 'f, '—(OCF)—(OCF)—(OCF)—(OCF)—\u2003\u2003(f2), 'wherein d is an integer of 1 to 200;'} e and f are each independently an integer of 1 to 200;', 'the sum of c, d, e, and f ...

HIGHLY FLUORINATED ELASTOMERS

Described herein is a peroxide curable, highly fluorinated elastomer derived from (a) a fluorinated di-iodo ether compound of the following formula I: R—CF(I)—(CX)(CXCXR)—O—R″f-O—(CXR′CX)—(CX)—CF(I)—R′wherein X is independently selected from F, H, and Cl; Rand R′are independently selected from F and a monovalent perfluoroalkane having 1-3 carbons; R is F, or a partially fluorinated or perfluorinated alkane comprising 1-3 carbons; R″is a divalent fluoroalkylene having 1-5 carbons or a divalent fluorinated alkylene ether having 1-8 carbons and at least one ether linkage; k is 0 or 1; and n, m, and p are independently selected from an integer from 0-5, with the proviso that when k is 0, n+m is at least 1 and p+q is at least 1; and (b) a fluorinated monomer. 1. A composition comprising a highly fluorinated elastomer gum wherein the highly fluorinated elastomer gum is derived from {'br': None, 'sub': 2', 'n', '2', 'm', 'f', 'k', '2', 'p', '2', 'q', 'f, 'Rf—CF(I)—(CX)—(CXCXR)—O—R″—O—(CXR′CX)—(CX)—CF(I)—R′'}, '(a) a fluorinated di-iodo ether compound of the following formula I X is independently selected from F, H, and Cl;', {'sub': f', 'f, 'Rand R′are independently selected from F and a monovalent perfluoroalkane having 1-3 carbons;'}, 'R is F, or a partially fluorinated or perfluorinated alkane comprising 1-3 carbons;', {'sub': 'f', 'R″is a divalent fluoroalkylene having 1-5 carbons or a divalent fluorinated alkylene ether having 1-8 carbons and at least one ether linkage;'}, 'k is 0 or 1; and n, m, and p are independently selected from an integer from 0-5, with the proviso that when k is 0, n+m is at least 1 and p+q is at least 1; and, 'wherein'}(b) a fluorinated monomer wherein the fluorinated monomer is are selected from at least one of vinylidene fluoride, tetrafluoroethylene, hexafluoropropylene, fluorinated allyl ethers, fluorinated vinyl ethers, and combinations thereof.2. The composition of claim 1 , wherein the fluorinated di-iodo ether compound of formula I ...

FLUOROPOLYETHER COMPOUND, LUBRICANT USING SAME AND USAGE THEREOF

An object of an aspect of the present invention is to provide: a lubricant excellent in adsorbability on the surface of a magnetic disk and in contamination resistance; and a magnetic disk which uses the lubricant and which is excellent in durability. The lubricant in accordance with an aspect of the present invention contains a fluoropolyether compound having, at a terminal thereof, a hydroxyalkenyl group or a hydroxyalkynyl group. 1. A fluoropolyether compound having a structure represented by Formula (1) below:{'br': None, 'sup': 1', '2', '3, 'R—R—R\u2003\u2003(1)'}where:{'sup': '2', 'Rrepresents a perfluoropolyether;'}{'sup': 1', '3, 'Rand Reach independently represent an organic group having, at a terminal thereof, a hydroxyl group, a halogenated alkyl group, an alkoxy group, a carboxy group, an amino group, an ester group, an amide group, or an aryl group; and'}{'sup': 1', '3, 'at least one of Rand Rcontains a hydroxyalkenyl group which has a hydroxyl group at a terminal thereof, or a hydroxyalkynyl group which has a hydroxyl group at a terminal thereof.'}2. The fluoropolyether compound as set forth in claim 1 , wherein:{'sup': 1', '3, 'in a case where at least one of Rand Rcontains the hydroxyalkenyl group which has a hydroxyl group at a terminal thereof, the hydroxyalkenyl group has a structure represented by Formula (2) below; and'}{'sup': 1', '3, 'claim-text': {'br': None, 'sub': 2', 'a', '2', 'b, '—(CH)—CH═CH—(CH)—OH\u2003\u2003(2)'}, 'in a case where at least one of Rand Rcontains the hydroxyalkynyl group which has a hydroxyl group at a terminal thereof, the hydroxyalkynyl group has a structure represented by Formula (3) below {'br': None, 'sub': 2', 'c', '2', 'd, '—(CH)—C≡C—(CH)—OH\u2003\u2003(3)'}, 'where a and b are each a real number of 1 to 4, and'}where c and d are each a real number of 1 to 4.4. The fluoropolyether compound as set forth in claim 1 , wherein:{'sup': 1', '3', '1', '3, 'in a case where at least one of Rand Rcontains the ...

(PER)FLUOROPOLYETHER POLYMERS

The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers, to certain novel (per)fluoropolyether polymers. The present invention also relates to the use of the (per)fluoropolyether polymers thus obtained as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM). 1. A process (P) for the synthesis of at least one polymer (FH) , said polymer (FH) comprising a partially fluorinated polyether backbone having two chain ends , wherein said chain ends comprise at least one group selected from hydroxy group , allyl group and vinyl group , said process (P) comprising:(I) contacting at least one compound (F), wherein compound (F) is a perfluoro compound comprising at least two unsaturated groups selected from vinyl groups and allyl groups, with at least one compound (H), wherein compound (H) is a fully or partially hydrogenated compound comprising at least two hydroxy groups,to provide a polymer (FH),said polymer (FH) being characterized in that its backbone comprises recurring unit(s) derived from said at least one compound (F) alternately arranged with recurring unit(s) derived from said at least one compound (H).2. The process according to claim 1 , wherein said compound (F) complies with the following formula:{'br': None, 'sub': 2', '2', 'z', 'CF', '2', 'z', '2, 'CF═CF(CF)ORO(CF)*CF═CF'}whereineach of z and z* is independently 0 or 1; and{'sub': 'CF', 'Ris a perfluoro alkylene chain comprising from 1 to 20 carbon atoms and optionally interrupted by one or more oxygen atoms; and/or'} {'br': None, 'sub': 'H', 'HO—(R)—OH'}, 'said compound (H) complies with the following formulawherein{'sub': 'H', 'Ris a linear or branched alkylene chain comprising from 2 to 12 carbon atoms,'}said alkyl chain optionally comprising one or more fluorine atoms(s) and optionally being interrupted by one or more oxygen atoms.3. The process according to claim 1 , wherein step ...

DUAL MODALITY UPS NANOPROBES FOR TUMOR ACIDOSIS IMAGING

The present disclosure relates to polymers which contain a hydrophobic and hydrophilic segment which is sensitive to pH as well as a metal chelating group. In some aspects, the metal chelating group is chelated to a metal ion capable of positron emission. In some aspects, the polymers form a micelle which is sensitive to pH and results in a change in fluorescence based upon the particular pH. In some aspects, the disclosure also provides methods of using the polymers for the imaging of cellular or extracellular environment or delivering a drug. 4. The polymer according to claim 1 , wherein Ris hydrogen.5. The polymer according to claim 1 , wherein Ris alkyl.6. (canceled)8. The polymer according to claim 1 , wherein Ris alkyl.9. (canceled)10. The polymer according to claim 1 , wherein R′ is alkyl.11. (canceled)1322-. (canceled)2432-. (canceled)33. The polymer according to claim 1 , wherein each Ris incorporated consecutively to form a block.34. The polymer according to claim 1 , wherein each Ris incorporated consecutively to form a block.35. The polymer according to claim 1 , wherein each Ris present as a block and each Ris present as a block.36. The polymer according to claim 1 , wherein each Rand each Rare randomly incorporated within the polymer.3858-. (canceled)59. The polymer according to claim 1 , wherein n is 75-150.60. (canceled)61. The polymer according to claim 1 , wherein x is 1-99.62. The polymer of claim 61 , wherein x is from 1-5 claim 61 , 5-10 claim 61 , 10-15 claim 61 , 15-20 claim 61 , 20-25 claim 61 , 25-30 claim 61 , 30-35 claim 61 , 35-40 claim 61 , 40-45 claim 61 , 45-50 claim 61 , 50-55 claim 61 , 55-60 claim 61 , 60-65 claim 61 , 65-70 claim 61 , 70-75 claim 61 , 75-80 claim 61 , 80-85 claim 61 , 85-90 claim 61 , 90-95 claim 61 , 95-100 claim 61 , 100-105 claim 61 , 105-110 claim 61 , 110-115 claim 61 , 115-120 claim 61 , 120-125 claim 61 , 125-130 claim 61 , 130-135 claim 61 , 135-140 claim 61 , 140-145 claim 61 , 145-150 claim 61 , 150-155 ...

Process for the synthesis of (per)fluoropolyether amines

A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.

METHOD FOR PRODUCING PERFLUOROPOLYETHER ACYL FLUORIDE

A process for producing a perfluoropolyether acyl fluoride which includes reducing a peroxyperfluoropolyether by using a formyl group-containing compound in the presence of a transition metal catalyst. 1. A process for producing a perfluoropolyether acyl fluoride which comprises reducing a peroxyperfluoropolyether by using a formyl group-containing compound in the presence of a transition metal catalyst.4. A process for producing a fluoropolyether acyl fluoride containing composition comprising a fluoropolyether acyl fluoride having HCF— group at its terminal of 0.01 to 5.00 mol % with respect to the whole of fluoropolyether acyl fluoride which comprises reducing peroxyperfluoropolyether by using a formyl group-containing compound in the presence of a transition metal catalyst.5. The process according to wherein the formyl group-containing compound is formic acid or formic acid derivative.6. The process according to wherein the formyl group-containing compound is formic acid.8. The process according to wherein the transition metal is selected form Pd claim 1 , Pt claim 1 , Rh claim 1 , Ru and a mixture thereof.9. The process according to wherein the used amount of the transition metal catalyst is in the range of 0.1 to 10.0% by mass with respect to peroxyperfluoropolyether.10. The process according to wherein the used amount of the transition metal catalyst is in the range of 1.0 to 10.0% by mass with respect to peroxyperfluoropolyether.11. The process according to wherein the reaction temperature is 50 to 200° C.12. The process according to wherein the reduction temperature is 50 to 150° C.13. The process according to which is performed in a solvent-free condition.14. The process according to which is performed in a non-aqueous solvent.15. A fluoropolyether acyl fluoride containing composition comprising fluoropolyether acyl fluoride having HCF— group at its terminal of 0.01 to 5.00 mol % with respect to the whole of fluoropolyether acyl fluoride.16. The process ...

Coating process

Methods of making components for a medicinal delivery device are described, in which a base composition comprising a polysulphone is applied to the surface of a component to create a base layer, a primer composition comprising a silane having two or more reactive silane groups separated by an organic linker group is applied to the base layer to create primed surface, and a coating composition comprising an at least partially fluorinated compound is applied to the primed surface. Corresponding coated components and a medicinal delivery device are disclosed.

NOVEL (PER)FLUOROPOLYETHER POLYMERS

The present invention relates to novel (per)fluoropolyether polymers and their use as lubricants, in particular for Magnetic Recording Media (MRM). 1. A polymer [polymer (P)] comprising:{'sub': 'pf', 'at least one (per)fluoropolyether chain (R) and'}at least one chain (C) comprising at least one hydroxy group and at least one group (H) comprising a heteroatom selected from the elements belonging to group 15 of the periodic table, {'br': None, 'sup': 1', '1, 'sub': 2', 'r', '2', 's', '2', '2', 't', '2', 'u', '2', '2', 'v, 'RRN—[CH]—[CFO]—[CFCFO]—[CFO]—CF—[CH]—NRR'}, 'provided that polymer (P) does not comprise amide group(s) and is different from a polymer of formula'}whereinr, s, t, u and v are independently zero or an integer, with the proviso that s, t and u are not all zero, and{'sup': '1', 'sub': 2', '2', 'y', '2', '2', '2', '2', '2', '2', '3, 'R and Rare independently selected from —[OCHCH]OH, —OCHCH(OH)CHOH, —CHCHOH and —CHCHCH.'}2. The polymer (P) according to claim 1 , wherein said heteroatom selected from the elements belonging to group 15 of the periodic table is nitrogen or phosphorous.3. The polymer (P) according to claim 2 , wherein said heteroatom is phosphorous (III) and said at least one group (H) is a phosphino group.4. The polymer (P) according to claim 2 , wherein said heteroatom is nitrogen (III) and said at least one group (H) is an amino group.5. The polymer (P) according to claim 1 , wherein chain (R) is a chain of formula —(CFX)O(R)(CFX′)— claim 1 , whereina and b, equal or different from each other, are equal to or higher than 1;{'sub': '3', 'X and X′, equal or different from each other, are —F or —CF,'}provided that when a and/or b are higher than 1, X and X′ are —F;{'sub': 'f', 'sup': '∘', 'claim-text': [{'sub': '3', '(i) —CFXO—, wherein X is F or CF;'}, {'sub': '3', '(ii) —CFXCFXO—, wherein X, equal or different at each occurrence, is F or CF, with the proviso that at least one of X is —F;'}, {'sub': 2', '2', '2, '(iii) —CFCFCWO—, wherein ...

Perfluoropolyether Compound, Lubricant, And Magnetic Disk

Provided is a compound with which a lubricant having excellent adhesion to a magnetic disk, particularly to a protective layer can be provided. A perfluoropolyether compound in accordance with one aspect of this invention has a structure in which two perfluoropolyethers are bonded to each other through an aliphatic ether, the aliphatic ether including a carbon atom to which a primary alcohol is bonded. 1. A perfluoropolyether compound having a structure in which two perfluoropolyethers are bonded to each other through an aliphatic ether , the aliphatic ether including a carbon atom to which a primary alcohol is bonded.4. A lubricant comprising the perfluoropolyether compound recited in .5. A magnetic disk comprising:a recording layer;a protective layer disposed on the recording layer; and{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, 'a lubricant layer disposed on the protective layer, the lubricant layer containing the lubricant recited in .'} The present invention relates to a perfluoropolyether compound, a lubricant, and a magnetic disk.Many of the existing magnetic disks are constituted by: a recording layer disposed on a substrate; a protective layer disposed on the recording layer in order to protect information recorded on the recording layer; and a lubricant layer disposed on the protective layer.As conventional techniques related to a surface lubricant for a magnetic disk, the techniques disclosed in Patent Literatures 1 to 4 are known, for example. Patent Literatures 1 to 4 disclose various perfluoropolyether compounds.[Patent Literature 1][Patent Literature 2][Patent Literature 3][Patent Literature 4]However, the above-described conventional techniques have room for improvement in terms of bringing the lubricant layer into close contact with the magnetic disk, particularly with the protective layer.An aspect of the present invention has an object to provide a lubricant having excellent adhesion with respect to a magnetic disk, particularly with respect ...

CURABLE FLUOROPOLYETHER ADHESIVE COMPOSITION AND OPTICAL PARTS

This curable fluoropolyether adhesive composition contains specific amounts of 1. A curable fluoropolyether adhesive agent composition comprising:(A) 100 parts by weight of a linear polyfluoro compound having two or more alkenyl groups in one molecule and having a perfluoropolyether structure in a main chain,(B) a fluorine-containing organohydrogensiloxane having, in one molecule, a monovalent perfluoroalkyl group or a monovalent perfluorooxyalkyl group, or having a divalent perfluoroalkylene group or a divalent perfluorooxyalkylene group, and further having two or more hydrogen atoms directly bonded to silicon atoms (SiH groups), and free of an epoxy group and an alkoxy group directly bonded to a silicon atom in the molecule,(C) 0.1 to 120 parts by weight of sodium fluoride,(D) 0.1 to 2,000 ppm in terms of the weight of platinum group metal atoms with respect to the component (A) of a platinum group metal-based catalyst,(E) 0.1 to 20 parts by weight of an organopolysiloxane having, in one molecule, a hydrogen atom directly bonded to a silicon atom (SiH group), a monovalent perfluoroalkyl group or a monovalent perfluorooxyalkyl group, and an epoxy group or a trialkoxysilyl group bonded to a silicon atom via a divalent hydrocarbon group which may contain an oxygen atom, or both groups,wherein the compounding amount of the component (B) is an amount such that the amount of hydrogen atoms directly bonded to silicon atoms in the component (B) is 0.5 to 3 mol, based on 1 mol of alkenyl groups contained in the composition.2. The curable fluoropolyether adhesive agent composition according to claim 1 , wherein the alkenyl group content of the linear polyfluoro compound as the component (A) is 0.005 to 0.3 mol/100 g.6. The curable fluoropolyether adhesive agent composition according to claim 1 , which gives a cured product having a total light transmittance of 80% or more at a thickness of 2 mm measured according to JIS K7361-1.7. An optical component comprising a cured ...

FLUORINATED ETHER COMPOUND, COMPOSITION, AND ARTICLE PROVIDED WITH WATER AND OIL REPELLENT LAYER

To provide a fluorinated ether compound capable of forming a water and oil repellent layer with excellent abrasion resistance on a metal surface of a substrate, a composition, and an article provided with a water and oil repellent layer. 1. A fluorinated ether compound characterized by being represented by the formula (1-1):{'br': None, 'sup': f', '1', '1', '1', '11', '12, 'sub': m', 'j1', 'g11', 'g12, '[R—(OX)—O—]Y—Z[-L-S—R][R]\u2003\u2003(1-1)'}in the formula (1-1),{'sup': 'f', 'Ris a perfluoroalkyl group,'}X is a fluoroalkylene group having at least one fluorine atom,m is an integer of at least 2,{'sup': '1', 'Yis a single bond or a (j1+1) valent linking group,'}{'sup': '1', 'Zis a (g11+g12+1) valent linking group,'}{'sup': '1', 'Lis a single bond or a divalent linking group,'}{'sup': '11', 'Ris a hydrogen atom or a monovalent substituent,'}{'sup': '12', 'Ris a monovalent substituent,'}j1 is an integer of at least 1,g11 is an integer of at least 2, andg12 is an integer of at least 0.2. The fluorinated ether compound according to claim 1 , wherein g11 in the formula (1-1) is an integer of at least 3.3. A fluorinated ether compound characterized by being represented by the formula (1-2):{'br': None, 'sup': 21', '22', '21', '21', '21', '22', '22', '22', '23', '24, 'sub': g21', 'g22', 'm', 'g23', 'g24, '[R][R—S-L-]Z—Y—(OX)—O—Y—Z[-L-S—R][R]\u2003\u2003(1-2)'}in the formula (1-2),{'sup': 21', '24, 'Rand Rare each independently a monovalent substituent,'}{'sup': 22', '23, 'Rand Rare each independently a hydrogen atom or a monovalent substituent,'}{'sup': 21', '22, 'Land Lare each independently a single bond or a divalent linking group,'}{'sup': '21', 'Zis a (g21+g22+1) valent linking group,'}{'sup': '22', 'Zis a (g23+g24+1) valent linking group,'}{'sup': 21', '22, 'Yand Yare each independently a single bond or a divalent linking group,'}X is a fluoroalkylene group having at least one fluorine atom,m is an integer of at least 2,g21 and g24 are each independently an ...

(per)fluoropolyether polymers

The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers and to certain novel (per)fluoropolyether polymers. The present invention also relates to the use the (per)fluoropolyether polymers thus obtained, as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM).

FLUOROPOLYETHER GROUP-CONTAINING POLYMER AND PRODUCTION METHOD THEREFOR

The present invention is capable of producing a fluoropolyether group-containing polymer, which is represented by general formula (1) 4. The fluoropolyether group-containing polymer of claim 1 , wherein X in the formula (1) is an alkylene group of 2 to 12 carbon atoms or an arylene group-containing alkylene group of 8 to 16 carbon atoms.5. The fluoropolyether group-containing polymer of which has a number-average molecular weight of from 1 claim 1 ,000 to 50 claim 1 ,000 in terms of polystyrene.7. The method for preparing the fluoropolyether group-containing polymer of claim 6 , wherein the organometallic reagent having a β-hydrogen is a Grignard reagent. The present invention relates to a fluoropolyether group-containing polymer (a compound having on the molecule a monovalent or divalent fluorooxyalkylene group-containing polymer residue). More particularly, the invention relates to a fluoropolyether group-containing polymer that forms a film having excellent water and oil repellency and abrasion resistance, and to a method for producing such a polymer.Touch panel technology is rapidly being adopted today in cell-phone displays and other screens for electronic devices. However, a problem with touch panels is that the screen is in an exposed state, creating numerous opportunities for direct contact with the fingers, cheeks, etc. and readily allowing contaminants such as skin oils to adhere. To improve appearance and visibility, there has been a growing need for ways in which to make it harder for users to leave fingerprints on the surface of a display and easier to remove smudges, leading to a desire for materials that can address such demands. In particular, because fingerprints readily form on touch panel displays, it is desired that a water/oil repellent coat be provided on the display. Unfortunately, conventional water/oil repellent coats have a high water and oil repellency and excellent contaminant wipeability, but the anti-smudging performance falls off ...

FLUORINATED ETHER COMPOUND, FLUORINATED ETHER COMPOSITION, COATING LIQUID, ARTICLE AND ITS PRODUCTION METHOD

To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it. 5. The fluorinated ether compound according to claim 1 , wherein Ris a perfluoroalkylene group.6. A fluorinated ether composition comprising at least one type of the fluorinated ether compound as defined in claim 1 , and other fluorinated ether compound.7. A coating liquid comprising the fluorinated ether compound as defined in claim 1 , and a liquid medium.8. An article comprising a substrate and a surface layer formed of the fluorinated ether compound as defined in on a surface of the substrate.9. The article according to claim 8 , which has the surface layer on a surface of a member constituting a plane to be touched with fingers of a touch panel.10. A method for producing an article claim 1 , which comprises treating a surface of a substrate by dry coating method using the fluorinated ether compound as defined in to form a surface layer formed of the fluorinated ether compound on the surface of the substrate.11. A method for producing an article claim 7 , which comprises applying the coating liquid as defined in to a surface of a substrate by wet coating method claim 7 , followed by drying to form a surface layer formed of the fluorinated ether compound on the surface of the substrate.15. The fluorinated ether compound according to claim 12 , wherein Ris a perfluoroalkylene group. The present invention relates to a fluorinated ether compound, a fluorinated ether composition, a coating liquid, an article and its production method.A fluorinated ether compound having a poly(oxyperfluoroalkylene) chain is capable of forming on a surface of a substrate a surface layer having high lubricity, water/oil repellency, etc. and thus is suitably ...

FLUORINATED ETHER COMPOUND, FLUORINATED ETHER COMPOSITION, COATING LIQUID, ARTICLE AND ITS PRODUCTION METHOD

To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer and a method for producing it. 4. The fluorinated ether compound according to claim 3 , wherein Qis a (p+1) valent hydrocarbon group.5. A fluorinated ether composition comprising at least one type of the fluorinated ether compound as defined in claim 1 , and other fluorinated ether compound.6. A coating liquid comprising the fluorinated ether compound as defined claim 1 , and a liquid medium.7. An article comprising a substrate and a surface layer formed of the fluorinated ether compound as defined in on a surface of the substrate.8. The article according to claim 7 , which has the surface layer on a surface of a member constituting a plane to be touched with fingers of a touch panel.9. A method for producing an article claim 1 , which comprises treating a surface of a substrate by dry coating method using the fluorinated ether compound as defined in to form a surface layer formed of the fluorinated ether compound on the surface of the substrate.10. A method for producing an article claim 6 , which comprises applying the coating liquid as defined in to a surface of a substrate by wet coating method claim 6 , followed by drying to form a surface layer formed of the fluorinated ether compound on the surface of the substrate.14. The fluorinated ether compound according to claim 13 , wherein the (p+1) valent organic group is a (p+1) valent hydrocarbon group. The present invention relates to a fluorinated ether compound, a fluorinated ether composition, a coating liquid, an article and its production method.A fluorinated ether compound having a poly(oxyperfluoroalkylene) chain is capable of forming on a surface of a substrate a surface layer having high lubricity, water/oil ...

SURFACE TREATMENT AGENT

A surface-treating agent including (α) a compound represented by the following formula (α1) or formula (α2) and (β) a perfluoropolyether group-containing silane compound having an OCFunit: 9. The surface-treating agent according to claim 1 , wherein (β) the perfluoropolyether group-containing silane compound having an OCFunit is a compound represented by formula (C1) or (C2).11. The surface-treating agent according to claim 1 , further comprising a solvent.12. The surface-treating agent according to claim 1 , for use as an antifouling coating agent or a water-proof coating agent.13. The surface-treating agent according to claim 1 , which is for vacuum deposition.14. A pellet comprising the surface-treating agent according to .15. An article comprising: a base material; and a layer formed on a surface of the base material from the surface-treating agent according to .16. The article according to claim 15 , wherein the article is an optical member. This is a Continuation application under 37 C.F.R. § 1.53(b) of International Application No. PCT/JP2019/035035 filed Sep. 5, 2019, which claims priority from Japanese Patent Application No. 2018-185812 filed Sep. 28, 2018. The above noted applications are incorporated herein by reference in their respective entireties.The present disclosure relates to a surface-treating agent containing a perfluoropolyether group-containing compound.It is known that certain fluorine-containing silane compounds can provide excellent water-repellency, oil-repellency, antifouling property, or the like when used for the surface treatment of a base material. A layer obtained from a surface-treating agent containing a fluorine-containing silane compound (hereinafter, also referred to as “surface-treating layer”) is applied as a so-called functional thin film to a variety of base materials such as glass, plastics, fibers and construction materials, for example.As such a fluorine-containing silane compound, for example, perfluoropolyether group- ...

Allyl-bearing fluorinated ionomers

The present invention provides a fluorinated ionomer [polymer (I)] comprising recurring units derived from at least the following monomers: (i) 5 to 50% by weight of a fluorinated monomer [monomer (A)] containing at least one —SO 2 X functionality, preferably having the formula of CF 2 ═CF—O—(CF 2 CF(CF 3 )O) m —(CF 2 ) m SO 2 X (I) wherein m is 0 or 1, n is an integer between 0-10, and X is selected from F, OH, and O − Me + , wherein Me + indicates an alkali metal ion or an ammonium cation of formula NR 4 − where each R independently represents a hydrogen atom or a monovalent organic radical selected from aliphatic radicals having from 1 to 8 carbon atoms and arylic or alicyclic radicals having from 3 to 8 carbon atoms; (ii) a non-functional fluorinated monomer [monomer (B)] having at least one ethylene unsaturation; and (iii) a fluorinated polyfunctional compound having the general formula: (CR 1 R 2 ═CFCF 2 —O) a —R f —((O) c —CF═CR 3 R 4 ) b (II) wherein: a is an integer equal to or larger than 1, preferably a is 1, 2, or 3; b is 0 or 1 and the sum of a and b is an integer equal to or larger than 2; c is 0 or 1; R 1 , R 2 , R 3 and R 4 are independently selected from F, H, alkyl, alkoxy, polyoxy alkyl, perfluoroalkyl, perfluoroalkoxy or perfluoropolyoxy alkyl, preferably F; and R f represents a hydrocarbon or fluorocarbon group having at least two carbon atoms. The low-EW perfluorinated ionomers made of polymer (I) are adapted to be processed into thin films, which are found to have superior physical stability than the existing products and are thus well suited for low humidity or high temperature electrochemical applications. Moreover, these low-EW ionomers are melt processable and have limited loss of volatile substances at their melt processing temperatures.

PROCESS FOR THE MANUFACTURE OF POLYETHER POLYMERS

The present invention relates to a method for the synthesis of certain perfluoropolyether polymers having well-defined recurring units structure, and whereas the fraction of reactive end groups can be easily tuned. 114-. (canceled)16. The method of claim 15 , wherein the compound (F) used in Step (1) is represented by the following formula:{'br': None, 'sub': 2', '2', 'a', 'f', '2', 'b', '2, 'CF═CF(CF)ORO(CF)CF═CF'}wherein{'sub': 'f', 'claim-ref': {'@idref': 'CLM-00015', 'claim 15'}, 'R, a and b have the meaning as defined in .'}19. The method according to claim 15 , wherein in Step (2) claim 15 , mixture (P) is reacted with COFby bubbling a gaseous flow of COFthrough a reaction medium comprising mixture (P) and enabling excess COFto escape the reaction medium.20. The method according to claim 15 , wherein Step (2) leads to a mixture (P) comprising a major amount of any di-fluoroformate compounds of formula (III):{'sub': 2', 'H', '2', '2', 'f', 'f', 'a', 'f', 'f', 'f', 'b', '2', '2', 'H', 'n′', '2, 'sup': 1', '2', '1', '2, 'F—C(O)—O—CH—R—[CH—O—CFCHF—(CRR)—O—R—O—(CRR)—CFHCF—O—CH—R—]—CH—O—C(O)—F; and optionally comprising a minor amount of a compound of formula (II), as above detailed, which is not modified/not reacted in said Step (2), and wherein substantially all hydroxyl groups of compounds of formula (I) are converted into fluoroformate groups.'}21. The method according to claim 15 , wherein mixture (P) consists essentially of compounds of formula (III) and optionally (II) claim 15 , wherein formula (III) is as follows:{'br': None, 'sub': 2', 'H', '2', '2', 'f', 'f', 'a', 'f', 'f', 'f', 'b', '2', '2', 'H', 'n′', '2, 'sup': 1', '2', '1', '2, 'F—C(O)—O—CH—R—[CH—O—CFCHF—(CRR)—O—R—O—(CRR)—CFHCF—O—CH—R—]—CH—O—C(O)—F.'}22. The method according to claim 15 , wherein in Step (3) claim 15 , mixture (P) is contacted with a source of molecular fluorine selected from gases containing fluorine claim 15 , and wherein a halogenated olefin is added.23. The method according to ...

PEGYLATED RESOLVING AGENTS FOR IMPROVED RESOLUTION OF RACEMIC MIXTURE

The present invention is related to a product for the resolution of racemic mixtures in which various separation processes of a salt composed of a PEGylated resolving agent and an enantiomer in a racemic mixture is utilized. Separation can be caused by temperature-dependent phase transformation of the said salt pair in aqueous or organic media as well as other methods used is separation of PEG such as salting out (e.g. addition of ammonium sulfate). The first cycle of racemic resolution by this method was shown to afford 85% optically pure amino acid from a 50:50 mixture of racemic L,D-amino acids esters. An additional cycle improved optical purity up to 95%. 1. A resolving agent that can be used for the resolution of racemic mixtures and is composed of a chemically activated linear or branched polyethylene glycol (PEG) from molecular weights of 400 to 4 million in which the PEG is activated in one terminus or many termini and condensed with to a pure stereoisomer and in which the PEG termini carries an nucleophile(s) to be condensed with a pure isomer carrying an electrophile or in which the PEG termini carries an electrophile(s) to be condensed with a pure isomer carrying an nucleophile.2. Utilizing the said PEGylated resolving agent in an aqueous or organic medium for diastereomeric salt pair formation between the said PEGylated resolving agent and a mixture of enantiomers by cooling the resulting mixture or by the addition of agents known to result in the precipitation of polyethylene glycol.3. A resolving agent of composed of various known polyethylene glycols such as linear or branched (PEG) claim 1 , attached to a pure stereoisomer (SI) claim 1 , including those traditionally used for resolution of racemic mixtures such as mandelic acid claim 1 , brucine claim 1 , strychnine claim 1 , (D)- or (L)-tartaric acid claim 1 , valine or any stereochemicaly pure compound capable of forming diastereomeric salts with racemic mixtures of enantiomers claim 1 , via a ...

METHOD OF MAKING MIXTURE OF POLYMERS

The present invention relates to a process for the synthesis of partially and fully fluorinated polyether (PFPE) polymers comprising cyclic moieties in the backbone chain, to PFPE polymers obtained therefrom and to the use of said PFPE polymers as intermediate compounds for the manufacture of additives for plastic and glass coating. 117.-. (canceled)18. A method [method (PFH)] for the synthesis of a mixture of polymers [polymer mixture (FHcyclic)] said polymers comprising a partially fluorinated polyether backbone possessing a plurality of recurring units including at least one cyclic group;said process comprising: at least one fluorinated compound [compound (F)] comprising at least two acyl-fluoride groups; and', 'at least one hydrogenated compound [compound (H)] comprising at least two fluoroformate groups of formula —CRH1RH2-O—C(O)F, wherein each of RH1 and RH2, equal to or different from each other at each occurrence, is independently H or a C1-C6 hydrocarbon group,, 'Step (I): a step of contactingin the presence of at least one fluoride-containing compound,wherein: {'br': None, 'F—C(═O)-Ef-Rcf-Ef-C(═O)—F'}, '(i) at least one compound (F) is a compound (FC) of formula each of Ef, equal to or different from each other, is a bond, or a divalent fluorocarbon group, possibly comprising one or more than one heteroatoms selected from Cl, N, O and S;', 'Rcf is a divalent fluorocarbon cyclic group, which may be a cycloaliphatic or a cycloaromatic group, which may comprise one or more than one cyclic moiety, and which may comprise one or more than one heteroatom included in the cycle, said heteroatom being selected from N, O and S;, 'whereinand/or {'br': None, 'F—C(═O)O—CRH1RH2-EHC-RHC-EHC-CRH1RH2-OC(═O)—F'}, '(ii) at least one compound (H) is a compound (HC) of formula each of EHC is selected from a bond, a —O— group and a divalent linear or branched (oxy)alkylene group, wherein said (oxy)alkylene group comprises from 1 to 8 carbon atoms and is optionally interrupted by ...

(PER)FLUOROPOLYETHER POLYMERS

The present invention relates to a novel process for the synthesis of (per)fluoropolyether polymers, to certain novel (per)fluoropolyether polymers. The present invention also relates to the use of the (per)fluoropolyether polymers thus obtained as intermediate compounds for the manufacture of further polymers suitable for use as lubricants, notably for magnetic recording media (MRM). 117.-. (canceled)20. The method of claim 19 , wherein at least one compound (H) is a compound (Hc) claim 19 , and is reacted with compounds (F) which are different from compound (Fc).21. The method of claim 20 , wherein polymers of mixture (FH) have a backbone which comprises units (RFHc).22. The method according to claim 18 , wherein said method (FH) comprises a Step (3) of contacting mixture (FH) with a source of molecular fluorine to effect fluorination of polymers of mixture (FH).23. The method according to claim 22 , said method (FH) further including an additional Step (2) claim 22 , after Step (1) and before Step (3) claim 22 , in which end groups of hydroxyl-type are protected claim 22 , and wherein Step (2) is a step of converting hydroxyl groups of formula: HO—[CRH1RH2]h1- and/or —[CRH1RH2]h2-OH into corresponding fluoroformate groups of formula F—C(O)—O—[CRH1RH2]h1- and/or formula —[CRH1RH2]h2-O—C(O)—F.24. The method of claim 23 , said method (FH) further comprising a Step (4) claim 23 , after Step (3) claim 23 , wherein said Step (4) comprises reacting polymers having one or more than one fluoroformate group to provide corresponding polymers having one or more than one carboxylic acid groups of formula —COOH and/or ester group of formula —C(═O)O—Ralk wherein Ralk is a linear or branched alkyl chain comprising from 1 to 10 carbon atoms.25. The method of claim 24 , wherein in Step (4) mixture (FF—OC(O)F) including polymers having one or more than one fluoroformate group is submitted to hydrolysis conditions in the presence of water claim 24 , wherein polymers possessing ...

PROCESS FOR THE PURIFICATION OF (PER) FLUOROPOLYETHERS WITH CARBOXYLATE END GROUPS

The invention relates to a batch chromatography process the purification of (per)fluoropolyether (PFPE) carboxylates, in particular to a process for increasing the average functionality of PFPE carboxylates mixtures. 1. A batch chromatography process for the purification of (per)fluoropolyethers (PFPE) carboxylates , the process comprising:a) contacting a mixture (M) of non-functional PFPEs and functional PFPEs carboxylates wherein Mn of the (per)fluoropolyoxylakylene chain in the PFPE carboxylate is equal to or higher than 1,500, said mixture (M) having functionality (F), with a solid phase and a fluorinated organic solvent at ambient conditions to obtain a suspension (S) of a solid phase having adsorbed onto it a mixture (M1) of functional PFPE carboxylates with functionality (F1) higher than (F) and a liquid phase having therein dissolved a mixture (M2) with functionality (F2) lower than (F);b) separating the liquid phase from the solid phase;c) optionally carrying out one or more washings of the solid phase with the same fluorinated solvent as used in step a);d) adding the solid phase with a mixture of an alcohol and a fluorinated organic solvent to obtain a suspension (S2) of the solid phase in a liquid phase, said liquid phase having mixture (M1) therein dissolved;e) separating the liquid phase from the stationary phase.2. The process according to claim 1 , wherein the (per)fluoropolyether mixture (M) complies with formula (I) below:{'br': None, 'sub': 'f', 'A-O—R—B \u2003\u2003(I)'} [{'sub': 3', '1', '4, 'A and B, equal to or different from one another, are functional groups of formula —CFXCOOH in which X is F or CF, or non-functional straight or branched C-Cperfluoroalkyl groups wherein one fluorine atom can be substituted by one chlorine atom or one hydrogen atom; provided that, when chlorine is present in a non-functional group A or B, it is in a molar amount lower than 2% with respect of the non-functional group;'}, {'sub': f', '3', '2', '2', '3', '6', '2 ...

SURFACE-TREATING AGENT COMPRISING PERFLUORO(POLY)ETHER GROUP-CONTAINING COMPOUND

A surface-treating agent including a perfluoro(poly)ether group-containing silane compound and a perfluoro(poly)ether group-containing compound. The perfluoro(poly)ether group-containing compound contains a radical capturing group or a UV absorbing group in the molecule. 118-. (canceled)20. The surface-treating agent according to claim 19 , wherein Rfand Rfare each independently at each occurrence a perfluoroalkyl group having 1 to 16 carbon atoms.22. The surface-treating agent according to claim 19 , wherein Ris at least one residue selected from the group consisting of residues of benzophenones claim 19 , benzotriazoles claim 19 , benzoic acid esters claim 19 , phenyl salicylates claim 19 , crotonic acids claim 19 , malonic acid esters claim 19 , organoacrylates claim 19 , hindered amines claim 19 , hindered phenols claim 19 , triazines claim 19 , hydroxybenzophenones claim 19 , esters of a substituted and unsubstituted benzoic acid or salicylic acid compound claim 19 , acrylate or alkoxycinnamates claim 19 , oxamides claim 19 , oxanilides claim 19 , benzoxazinones claim 19 , and benzoxazoles.24. The surface-treating agent according to claim 19 , wherein X is a divalent organic group.25. The surface-treating agent according to claim 19 , wherein X claim 19 , X claim 19 , Xand Xare each independently at each occurrence a divalent organic group.26. The surface-treating agent according to claim 19 , wherein the perfluoro(poly)ether group-containing silane compound and the perfluoro(poly)ether group-containing compound are contained at a mass ratio ranging from 100:0.001 to 100:110.27. The surface-treating agent according to claim 19 , wherein the number average molecular weights of an Rf—PFPE portion and an Rf—PFPE portion each independently range from 500 to 30 claim 19 ,000.28. The surface-treating agent according to claim 19 , wherein the number average molecular weight of the perfluoro(poly)ether group-containing compound ranges from 2 claim 19 ,000 to 8 claim 19 ...

Fluoropolyether-containing polymer

A fluoropolyether-containing polymer of formula (1) is novel wherein Rf is a polymer residue containing a monovalent fluorooxyalkyl or divalent fluorooxyalkylene group, Z is a divalent hydrocarbon group, and α is 1 or 2. The polymer may be converted into a fluoropolyether-containing polymer-modified silane, which forms a water/oil repellent coating having weatherability.

FLUOROPOLYETHER-CONTAINING POLYMER-MODIFIED SILANE, SURFACE TREATING AGENT, AND ARTICLE

A fluoropolyether-containing polymer-modified silane having (1) is provided wherein Rf is a fluorooxyalkyl or fluorooxyalkylene-containing polymer residue, Y is a divalent to hexavalent hydrocarbon group, R is C-Calkyl or phenyl, X is a hydrolyzable group, n is an integer of 1 to 3, m is an integer of 1 to 5, and α is 1 or 2. A surface treating agent comprising the silane or partial hydrolytic condensate thereof cures under mild conditions into a water/oil repellent layer having abrasion resistance, weatherability and low dynamic friction. 2. The silane of wherein a is 1 claim 1 , and Rf is a group having the general formula (2):{'br': None, 'sub': 2', 'p', '2', '4', 'q', '3', '6', 'r', '4', '8', 's, 'F\ue8a0CFO\ue8a0\ue8a0CFO\ue8a0\ue8a0CFO\ue8a0\ue8a0CFO\ue8a0\u2003\u2003(2)'}wherein p, q, r and s are each independently an integer of 0 to 200, the sum p+q+r+s is 3 to 200, each repeating unit may be linear or branched, and individual repeating units may be randomly arranged.3. The silane of wherein a is 2 claim 1 , and Rf is a group having the general formula (3):{'br': None, 'sub': 2', 'p', '2', '4', 'q', '3', '6', 'r', '4', '8', 's, '—O—\ue8a0CFO\ue8a0\ue8a0CFO\ue8a0\ue8a0CFO\ue8a0\ue8a0CFO\ue8a0\u2003\u2003(3)'}wherein p, q, r and s are each independently an integer of 0 to 200, the sum p+q+r+s is 3 to 200, each repeating unit may be linear or branched, and individual repeating units may be randomly arranged.4. The silane of wherein Y is selected from the group consisting of an alkylene group of 3 to 10 carbon atoms claim 1 , a phenylene-containing alkylene group claim 1 , a divalent group having alkylene groups bonded via a silalkylene or silarylene structure claim 1 , and a divalent to tetravalent group having alkylene groups bonded to a divalent to tetravalent claim 1 , linear claim 1 , branched or cyclic organopolysiloxane residue of 2 to 10 silicon atoms.5. The silane of wherein X is selected from the group consisting of a C-Calkoxy group claim 1 , C- ...

WATER-REPELLENT, OIL-REPELLENT MEMBER AND METHOD FOR MANUFACTURING WATER-REPELLENT, OIL-REPELLENT MEMBER

This water-repellent, oil-repellent member is obtained via a method comprising: a step for wet-coating a substrate surface with a solution containing an organic silicon compound comprising multiple silanol groups and a solvent; a step for drying the solvent to form a primer layer; a step for wet-coating the primer layer with a solution containing a fluorine-containing compound and a solvent, followed by drying the solvent, or dry-coating with the fluorine-containing compound obtained by evaporating the solvent from the solution; and a step for curing the fluorine-containing compound to form a water-repellent, oil-repellent layer. The water-repellent, oil-repellent member is obtained by providing, on various substrates, a primer layer of a specific thickness containing, as a main component, an organic silicon compound comprising multiple silanol groups, followed by providing, on the primer layer, a water-repellent, oil-repellent layer of a specific thickness containing, as a main component, the cured fluorine-containing compound according to the above mentioned method. It is thus possible to stably and simply form a water-repellent, oil-repellent coating exhibiting superior abrasion resistance on various substrates, and the primer layer and water-repellent, oil-repellent layer can be applied using a room-temperature (25° C.) process. 1. A water/oil repellent member comprising a substrate , a primer layer deposited on at least one surface of the substrate as a first layer , and a water/oil repellent layer deposited thereon as a second layer ,the primer layer being composed mainly of an organosilicon compound having a plurality of silanol groups and having a thickness of 0.5 to 500 nm,the water/oil repellent layer being composed mainly of a cured product of a fluorinated compound and having a thickness of 0.5 to 30 nm.2. The water/oil repellent member of wherein the organosilicon compound having a plurality of silanol groups is a hydrolytic dehydrated condensate of ...

FLUOROPOLYETHER-CONTAINING POLYMER-MODIFIED SILANE, SURFACE TREATING AGENT, AND TREATED ARTICLE

A fluoropolyether-containing polymer-modified silane has general formula (1) 3. The polymer-modified silane of claim 1 , wherein α in formula (1) is 2 and Rf is a moiety of general formula (3){'br': None, 'sub': d', '2d', '2', 'p', '2', '4', 'q', '3', '6', 'r', '4', '8', 's', 'd', '2d, '—CF—O—(CFO)—(CFO)—(CFO)—(CFO)—CF—\u2003\u2003(3)'}{'sub': d', '2d, 'wherein p, q, r and s are each an integer from 0 to 200, the sum p+q+r+s=3 to 200, each recurring unit may be linear or branched, individual recurring units may be randomly arranged, d is an integer from 1 to 3, and the CFunits may be linear or branched.'}4. The polymer-modified silane of wherein claim 1 , in formula (1) claim 1 , Y is selected from the group consisting of alkylene groups of 3 to 10 carbon atoms claim 1 , alkylene groups of 2 to 8 carbon atoms containing an arylene group of 6 to 8 carbon atoms claim 1 , divalent groups having alkylene groups of 2 to 8 carbon atoms bonded to each other via a C-Csilalkylene or C-Csilarylene structure claim 1 , and divalent to tetravalent groups having an alkylene group of 2 to 10 carbon atoms bonded at a valence position on a divalent to tetravalent organopolysiloxane residue that is linear and has 2 to 10 silicon atoms or is branched or cyclic and has 3 to 10 silicon atoms.5. The polymer-modified silane of wherein claim 1 , in formula (1) claim 1 , W is selected from the group consisting of alkylene groups of 2 to 10 carbon atoms claim 1 , alkylene groups of 2 to 8 carbon atoms containing an arylene group of 6 to 8 carbon atoms claim 1 , alkylene groups of 2 to 6 carbon atoms containing a diorganosilylene group claim 1 , divalent groups having alkylene groups of 2 to 8 carbon atoms bonded to each other via a C-Csilalkylene or C-Csilarylene structure claim 1 , and divalent to tetravalent groups having an alkylene group of 2 to 10 carbon atoms bonded at a valence position on a divalent to tetravalent organopolysiloxane residue that is linear and has 2 to 10 silicon ...

FLUORINE-CONTAINING ALKYLSILANE COMPOUND AND METHOD FOR PRODUCING THE SAME

A fluorine-containing alkylsilane compound represented by the general formula: 1. A fluorine-containing alkylsilane compound represented by the general formula:{'br': None, 'sub': 3', '2', 'n', '2', '2', 'a', '2', '2', 'b', '2', '3', '3-d', 'd, 'CF(CF)(CHCF)(CFCF)(CF)SiRX\u2003\u2003[I]'}{'sub': 1', '3, 'wherein n is an integer of 0 to 5; a is 1 or 2; b is an integer of 0 to 3; R is a C-Calkoxy group, a fluorine-containing alkoxy group, or an alkenyl group; X is halogen; and d is an integer of 0 to 3.'}2. A method for producing the fluorine-containing alkylsilane compound according to claim 1 , the method comprising reacting claim 1 , in the presence of a transition metal catalyst claim 1 , a polyfluoroalkyl allyl compound represented by the general formula:{'br': None, 'sub': 3', '2', 'n', '2', '2', 'a', '2', '2', 'b', '2', '2, 'CF(CF)(CHCF)(CFCF)CHCH═CH\u2003\u2003[II]'}{'sub': 1', '3, 'wherein n is an integer of 0 to 5, a is 1 or 2, and b is an integer of 0 to 3, with an alkoxysilane having a C-Clower alkyl group.'}3. A method for producing the fluorine-containing alkylsilane compound according to claim 1 , the method comprising reacting claim 1 , in the presence of a transition metal catalyst claim 1 , a polyfluoroalkyl allyl compound represented by the general formula:{'br': None, 'sub': 3', '2', 'n', '2', '2', 'a', '2', '2', 'b', '2', '2, 'CF(CF)(CHCF)(CFCF)CHCH═CH\u2003\u2003[II]'}{'sub': 1', '3, 'wherein n is an integer of 0 to 5, a is 1 or 2, and b is an integer of 0 to 3, with a chlorosilane, followed by a reacting with a C-Clower alcohol or metal alkenyl.'}4. The method for producing the fluorine-containing alkylsilane compound according to claim 2 , wherein the transition metal catalyst is a Pt-based or Rh-based catalyst.5. A surface-treating agent comprising the fluorine-containing alkylsilane compound according to as an active ingredient.6. The method for producing the fluorine-containing alkylsilane compound according to claim 3 , wherein the ...

Component Removal from a Gas

A device, system, and method for removing a component from a gas are disclosed. A bead consisting of a core and an outer layer is provided. The outer layer consists of a first impermeable material. The core consists of a second material. A carrier gas, containing a vapor, is passed across the bead, desublimating or desublimating and condensing a portion of the vapor onto the bead. In some embodiments, the beads are passed into the column at a first temperature and the carrier gas is passed across the beads. A portion of the vapor desublimates or desublimates and condenses onto the beads as a solid product, causing the beads to expand in volume as they are warmed to a second temperature. The beads with the solid product are passed out of the column.

Antifouling article

An antifouling article including a base material, a diamond-like carbon layer and an antifouling coating layer formed of a surface-treating agent on the diamond-like carbon layer. The surface-treating agent includes a group having a carbon-carbon unsaturated bond, a group having a carbon-nitrogen unsaturated bond, or a leaving group.

POLYAMIDES MODIFIED WITH (PER)FLUOROPOLYETHER SEGMENTS

The present invention relates to thermoplastic polyamides (PA) comprising recurring units derived from a PFPE dicarboxylic acid (PFPA-DA) or a PFPE diamine (PFPE-NN) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (PA) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers. 1. A polyamide (PA) consisting of recurring units derived from monomers (A) and (B) , wherein monomer (A) is selected from at least one of: one or more hydrogenated aliphatic, cycloaliphatic or aromatic diamine(s) [amine (NN)] or derivative(s) thereof; and', 'one or more hydrogenated aliphatic, cycloaliphatic or aromatic dicarboxylic acid(s) [acid (DA)] or derivative(s) thereof; and, '(i) a mixture of(ii) one or more aminoacid(s) [aminoacid (AN)] or lactam(s) [lactam (L)], and wherein monomer (B) is at least one (per)fluoropolyether monomer (PFPE-M) selected from a PFPE-diamine (PFPE-NN) and PFPE-dicarboxylic acid (PFPE-DA), wherein the amount of monomer (B) ranges from 0.1 to 10% wt with respect to the overall weight of monomers (A) and (B).2. The polyamide (PA) according to claim 1 , wherein amine (NN) is an alkylene diamine having 2 to 36 carbon atoms.3. The polyamide (PA) according to claim 1 , wherein amine (NN) is an aromatic diamine selected from meta-xylylene diamine (MXDA) claim 1 , and para-xylylene diamine.4. The polyamide (PA) according to claim 1 , wherein acid (DA) is aromatic dicarboxylic acid comprising two reactive carboxylic acid groups [acid (AR)] or an aliphatic dicarboxylic acid comprising two reactive carboxylic acid groups [acid (AL)].5. The polyamide (PA) according to claim 4 , wherein acid (DA) is an acid (AL) selected from adipic acid and sebacic acid.6. The polyamide (PA) according to claim 1 , wherein (PFPE-DA) is a fluoropolymer comprising a fully or partially fluorinated polyalkyleneoxy chain ...

ZWITTERIONIC DERIVATIVES OF (PER)FLUOROPOLYETHERS

(Per)fluoropolyether polymers comprising a (per)fluoropolyether chain having two ends, wherein one or both ends comprise one or more zwitterionic groups at one or both polymer ends, methods for their manufacture and uses thereof are herein disclosed. The polymers can be used in particular for protecting materials in contact with biological fluids or fluids containing biological material from contamination by organic compounds therein contained. 1. A polymer comprising a (per)fluoropolyether chain (R) having two ends , wherein one or both ends comprise(s) at least one zwitterionic group (Z).2. The polymer according to wherein one or both ends comprise one zwitterionic group (Z).3. The polymer according to wherein chain (R) is a straight or branched fully or partially fluorinated polyoxyalkylene chain that comprises repeating units (R) claim 1 , said repeating units being independently selected from the group consisting of:{'sub': '3', '(i) —CFXO—, wherein X is F or CF,'}{'sub': '3', '(ii) —CFXCFXO—, wherein X, equal or different at each occurrence, is F or CF, with the proviso that at least one of X is —F,'}{'sub': 2', '2', '2, '(iii) —CFCFCWO—, wherein each of W, equal or different from each other, are F, Cl, H,'}{'sub': 2', '2', '2', '2, '(iv) —CFCFCFCFO—,'}{'sub': 2', 'j', 'f', 'f', '2', '2', '2', '2', '2', '2', '2', '2', '3', '1', '3, '(v) —(CF)—CFZ—O— wherein j is an integer from 0 to 3 and Z is a group of general formula —OR′T, wherein R′ is a fluoropolyoxyalkene chain comprising a number of repeating units from 0 to 10, said recurring units being selected from: —CFXO—, —CFCFXO—, —CFCFCFO—, and —CFCFCFCFO—, with each X being independently F or CFand T being a C-Cperfluoroalkyl group.'}4. The polymer according to wherein the zwitterionic group (Z) is:a straight or branched alkyl group, optionally partially unsaturated and optionally containing at least one heteroatom and containing a cationic and an anionic group or{'sub': 1', '4', '1', '4, 'a 5- to 7-member ...

PROCESS FOR PRODUCING RECEIVING OBJECT HAVING TRANSFERRED PATTERN

The invention provides a method for producing a transfer target which is less likely to separate from a substrate or adhere to a mold even when transfer is repeated. The production method includes the steps of: (1) applying a composition containing a fluoropolyether to a release layer of a mold having an uneven pattern on a surface thereof; (2) pressing the mold to a transfer target and transferring the uneven pattern; and (3) releasing the mold from the transfer target, thereby providing the transfer target having a transferred pattern. 1. A method for producing a transfer target , comprising the steps of:(1) applying a composition containing a fluoropolyether to a release layer of a mold having an uneven pattern on a surface thereof;(2) pressing the mold to a transfer target and transferring the uneven pattern; and(3) releasing the mold from the transfer target, thereby providing the transfer target having a transferred pattern,wherein the fluoropolyether is free from hydrolyzable group.2. The production method according to claim 1 ,wherein the transfer target contains an ultraviolet-curable resin.3. The production method according to claim 1 ,wherein in the step (2), the transfer target is irradiated with ultraviolet rays while the mold is pressed to the transfer target.4. The production method according to claim 1 ,wherein the composition further contains a solvent. The invention relates to methods for producing a transfer target having a transferred pattern.Release agents are used for improving the releasability between a mold (cast) and a polymer resin serving as a material to be processed in general machine processing. Conventionally known release agents include silicone oil and fluororesin solutions. Silicone oil or a fluororesin solution, when used as a release agent for an imprint mold (a mold for imprint processing), unfortunately enter recessed grooves with a micrometer-scale width and depth of the fine pattern of a mold. This prevents transfer of a ...

METHOD FOR PRODUCING FLUOROPOLYETHER

A process for preparing a low-molecular weight fluoropolyether containing an acid fluoride by decomposing a triflate or trifluoroacetate of a fluoropolyether having a hydroxyl group in the presence of a Lewis acid. 1. A process for preparing a low-molecular weight fluoropolyether containing an acid fluoride by decomposing a triflate or trifluoroacetate of a fluoropolyether having a hydroxyl group in the presence of a Lewis acid.2. The process as defined in claim 1 , wherein the fluoropolyether having a hydroxyl group is one having a recurring unit of —(CFCFO)x(CFO)y- claim 1 , and x and y are a real number of 1 to 100.3. The process as defined in claim 1 , wherein the fluoropolyether having a hydroxyl group is one having a recurring unit of —(CFCFCFO)z- claim 1 , and z is a real number of 1 to 100.4. The process as defined in claim 1 , wherein the fluoropolyether having a hydroxyl group is one having a recurring unit of —(CFCFCFCFO)n- claim 1 , and n is a real number of 1 to 100.5. The process as defined in claim 1 , wherein the triflate is at least one selected from the group consisting of{'sub': 2', '2', '2', '2', '2, 'A-(CFCFO)x(CFO)yCFCHOTf,'}{'sub': 2', '2', '2', '2', '2', '2', '2, 'TfOCHCFO(CFCFO)x(CFO)yCFCHOTf,'}{'sub': 2', '2', '2', '2', '2', '2, 'A-(CFCFCFO)zCFCFCHOTf,'}{'sub': 2', '2', '2', '2', '2', '2', '2', '2', '2, 'TfOCHCFCFO(CFCFCFO)zCFCFCHOTf,'}{'sub': 2', '2', '2', '2', '2', '2', '2', '2, 'A-(CFCFCFCFO)nCFCFCFCHOTf, and'}{'sub': 2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2', '2, 'TfOCHCFCFCFO(CFCFCFCFO)nCFCFCFCHOTf,'}{'sub': 3', '2, 'wherein A is fluoroalkoxy, Tf is CFSO, and x, y, z and n are a real number of 1 to 100.'}6. The process as defined in claim 1 , wherein the trifluoroacetate is at least one selected from the group consisting of{'sub': 2', '2', '2', '2', '2, 'A-(CFCFO)x(CFO)yCFCHOTfa,'}{'sub': 2', '2', '2', '2', '2', '2', '2, 'TfaOCHCFO(CFCFO)x(CFO)yCFCHOTfa,'}{'sub': 2', '2', '2', '2', '2', '2, 'A-(CFCFCFO)zCFCFCHOTfa,'}{'sub': ...

MIXTURES OF MONO-, BI- AND NON-FUNCTIONAL FLUORINATED POLYMERS COMPRISING A PLURALITY OF (PER)FLUOROPOLYETHER SEGMENTS

Disclosed are mixtures containing: mono- and bi-functional polymers [polymers (P-A) and (P-B)] comprising a plurality of (per)fluoropolyether segments [segments (S)] joined together by hydrogenated (poly)ether segments [segments (S)], said polymers having two ends, wherein one or both ends comprises a hydroxy or a leaving group; a non-functional polymer comprising a plurality of (per)fluoropolyether segments (S) joined together by hydrogenated (poly)ether segments (S), with the proviso that the hydrogenated (poly)ether segments (S) are not segments of formula —CHOCHOCH—. Disclosed are also monofunctional polymers (P-A) that can be isolated from such mixtures. Methods for the obtainment of the mixtures and for separating the polymers therein contained are also provided, as well as methods of using the mixtures or each polymer therein contained as intermediates or building blocks for the synthesis of other polymers or as ingredients of compositions. 1. A mixture of polymers , said mixture containing:{'sup': RF', 'H, 'monofunctional polymers (P-A) and bifunctional polymers (P-B) each independently comprising a plurality of (per)fluoropolyether segments (S) joined together by hydrogenated (poly)ether segments (S), said polymers having two ends, wherein one or both ends comprises a hydroxy or a sulfonate group;'}{'sup': RF', 'H, 'a non-functional polymer (P-C) comprising a plurality of (per)fluoropolyether segments (S) joined together by hydrogenated (poly)ether segments (S),'}{'sup': 'H', 'sub': 2', '2', '2, 'with the proviso that the hydrogenated (poly)ether segments (S) are not segments of formula —CHOCHOCH—.'}2. The mixture according to wherein polymers (P-A)-(P-C) comprise at least two (per)fluoropolyether segments (S).3. The mixture according to claim 3 , wherein polymers (P-A)-(P-C) comprise at least three (per)fluoropolyether segments (S).5. The mixture according to claim 4 , wherein segments (S′) and (S″) each independently comprise a fully or partially ...

SURFACTANT

A surfactant of formula (I): 1. A surfactant of formula (I):{'br': None, 'sub': 1', 'a', '2', 'b', '2', 'c, 'A-(L)-(CH)-(L)-X \u2003\u2003(I)'}whereinA is a perfluoropolyether;{'sub': 1', '1-6, 'Lis CONR′, wherein R is selected from H and Calkyl;'}a is 0 or 1;b is 0 or an integer between 1 and 10;{'sub': '2', 'Lis a linking group;'}c is 0 or 1; andX is a charged group.2. A surfactant as claimed in claim 1 , wherein said perfluoropolyether comprises any one of (a) a repeat unit of the formula —[CF(CF)CFO]— claim 1 , wherein m is a positive integer claim 1 , (b) a unit of the formula —[CFCFO]—[CF (CF)CFO]— claim 1 , wherein m and n are each 0 or a positive integer claim 1 , with the proviso that m and n are not both 0; and (c) CFCFCFO—[CF(CF)CFO]—CF(CF)— claim 1 , wherein m is a positive integer.3. (canceled)4. (canceled)5. A surfactant as claimed in claim 2 , wherein m is an integer from 1 to 100.6. A surfactant as claimed in claim 1 , wherein a is 0.7. A surfactant as claimed in claim 1 , wherein a is 1 and Lis CONH or CONCH.8. A surfactant as claimed in claim 1 , wherein b is an integer from 1 to 10 claim 1 , more preferably 2 to 3.9. A surfactant as claimed in claim 1 , wherein c is 0.10. A surfactant as claimed in claim 1 , wherein X is a positively charged group.12. (canceled)13. (canceled)14. (canceled)16. A surfactant as claimed in claim 1 , wherein X comprises a zwitterionic group.18. (canceled)19. (canceled)20. (canceled)22. A surfactant as claimed in claim 1 , wherein X comprises a negatively charged group.24. (canceled)25. (canceled)26. (canceled)33. A composition comprising a surfactant as claimed in claim 1 , preferably wherein said composition further comprises a multicharged compound or polymer claim 1 , and more preferably claim 1 , wherein said multicharged compound or polymer is oppositely charged to said surfactant.34. (canceled)35. (canceled)36. (canceled)37. (canceled)38. The composition as claimed in claim 33 , wherein the composition is an ...

Fluoropolyether-group-containing polymer, surface treatment agent, and article

A surface treatment agent which comprises a fluoropolyether-group-containing polymer represented by the following formula (1) or (2) Rf 1 —[N(V) β (E) γ ] α   (1) Rf 1 -[Q-(G) δ -(E′) ε -B] α   (2) and/or a product of partial (hydrolytic) condensation of the polymer. The surface treatment agent forms a cured coating film excellent in terms of water and oil repellency and resistance to abrasion with erasers. (In formulae (1) and (2), Re is a mono- or divalent polymer residue containing a fluorooxyalkylene group; N is C, Si, N, or a tri- to octavalent group optionally substituted by F; V is a monovalent group containing a hydroxy group or hydrolyzable group at the terminal; E is a monovalent group containing an oxyalkylene group; a is 1 or 2; β and γ are each 1-6, and β+γ is 2-7; Q is a single bond or a divalent group; G is a divalent group containing a hydroxy group or hydrolyzable group; E′ is a divalent group containing an oxyalkylene group; B is H, an alkyl group, or a halogeno; δ is 0-10; and ε is 1-10.)

Low refractive layer and anti-reflective film comprising the same

The present invention relates to a low refractive layer and an anti-reflective film comprising the same. The low refractive layer can exhibit excellent optical properties such as a low reflectance and a high light transmittance, and excellent mechanical properties such as high wear resistance and scratch resistance at the same time, without adversely affecting the color of the polymer resin forming the low refractive layer. In particular, due to the excellent alkali resistance, the low refractive layer can maintain excellent physical properties even after alkali treatment. Therefore, when introducing a low refractive layer to the display device, it is expected that the production process can be simplified and further the production rate and the productivity can significantly increase.

AMINO DERIVATIVES OF PERFLUOROPOLYETHERS

The present invention relates to (per)fluoropolyether (PFPE) amnino derivatives, a method for their manufacturing and their uses. 1. A polymer (P) comprising:at least one aromatic moiety (A) optionally substituted with at least one halogen atom,{'sub': 'pf', 'at least one (per)fluoropolyether chain (R) linked to moiety (A), and'}{'sub': 'H', 'at least one amino group (N) linked to moiety (A) through an alkylenyl bridging group (R) comprising from 1 to 12 carbon atoms and at least one heteroatom directly bonded to moiety (A).'}2. The polymer (P) according to claim 1 , wherein said moiety (A) is a 5- to 10-membered aromatic ring claim 1 , optionally comprising at least one heteroatom and/or optionally being bounded to or condensed with one or more further aromatic rings.3. The polymer (P) according to claim 1 , wherein chain (R) is of formula —O—R— claim 1 , wherein Ris a fully or partially fluorinated polyoxyalkylene chain (R) that comprises repeating units R° claim 1 , said repeating units being independently selected from the group consisting of:{'sub': '3', '(i) —CFXO—, wherein X is F or CF;'}{'sub': '3', '(ii) —CFXCFXO—, wherein X, equal or different at each occurrence, is F or CF, with the proviso that at least one of X is —F;'}{'sub': 2', '2', '2, '(iii) —CFCFCWO—, wherein each of W, equal or different from each other, are F, Cl, H;'}{'sub': 2', '2', '2', '2, '(iv) —CFCFCFCFO—;'}{'sub': 2', 'j', '(f-a)', '(f-a)', '2', '2', '2', '2', '2', '2', '2', '2', '3', '1', '3, '(v) —(CF)—CFZ—O— wherein j is an integer from 0 to 3 and Z is a group of general formula —O—R-T, wherein Ris a fluoropolyoxyalkene chain comprising a number of repeating units from 0 to 10, said recurring units being selected from: —CFXO—, —CFCFXO—, —CFCFCFO—, and —CFCFCFCFO—, with each X being independently F or CFand T being a C-Cperfluoroalkyl group.'}4. The polymer (P) according to claim 1 , wherein group (N) is a primary claim 1 , secondary or tertiary amino group.5. The polymer (P) according ...

BIFUNCTIONAL FLUORINATED POLYMERS COMPRISING A PLURALITY OF (PER)FLUOROPOLYETHER SEGMENTS

A polymer [polymer (P)] comprising a plurality of (per)fluoropolyether (PFPE) segments [segments (S)] joined together by hydrogenated (poly)ether segments [segments (S)], said polymers (P) having two end groups [groups (E)], each group (E) comprising a hydroxy or a leaving group, with the proviso that the hydrogenated (polytether segment (S) is not a segment of formula —CHOCH2 OCH— is herein disclosed. Disclosed is also a method for the manufacture of polymer (P) and a polymer obtainable by full or partial fluorination of polymer (P). Polymer (P) and polymers obtainable therefrom by full or partial fluorination can be conveniently used in the manufacture of lubricant compositions or of compositions for imparting hydro-/oleo-repellence to substrates. Said polymers can also be used as intermediates for the manufacture of other polymers or block copolymers. 1. A polymer (P) comprising a plurality of (per)fluoropolyether (PFPE) segments (S) joined together by hydrogenated (poly)ether segments (S) , said polymer (P) having two end groups (E) , each group (E) comprising a hydroxy or a sulfonate group , with the proviso that the hydrogenated (poly)ether segments (S) are not segments of formula —CHOCHOCH—.2. The polymer according to complying with formula (P-1):{'br': None, 'sup': RF', 'H', 'RF', 'H', 'RF', 'H', 'RF', 'H', 'RF, 'sub': p', 'q, '(E)-(S′)—(S′)—(S″)—[(S″)—(S′)—(S)—(S″)][(S″)—(S′)]-(E′) \u2003\u2003(P-1)'}wherein:{'sup': RF', 'RF', 'RF, '(S′) and (S″), equal to or different from one another, are (per)fluoropolyether segments (S);'}{'sup': H', 'H', 'H, '(S′) and (S″), equal to or different from one another, are hydrogenated (poly)ether segments (S);'}(E′) is an end group equal to or different from (E);p is 0 or a positive number andq is 0 or 1.3. The polymer according to in which:p is 0 or 1 andq is 1.4. The polymer according to in which (S) and (S′) each independently comprise a chain (R) having a number average molecular weight ranging from 400 to 5 claim 2 , ...

HEAT-CURABLE FLUOROPOLYETHER-BASED ADHESIVE COMPOSITION AND ELECTRIC/ELECTRONIC COMPONENT

Provided are a heat-curable fluoropolyether-based adhesive composition capable of being cured and adhering to various kinds of base materials made of, for example, a metal, ceramic and/or plastic in a short period of time; and an electric/electronic component employing the same. The composition is a heat-curable fluoropolyether-based adhesive composition having, as an adhesion imparting agent, an alicyclic epoxy group-containing and fluorine-containing organohydrogensiloxane having in one molecule: a monovalent perfluoroalkyl or perfluorooxyalkyl group(s), or a divalent perfluoroalkylene or perfluorooxyalkylene group(s); and at least one silicon atom-bonded hydrogen atom (SiH group). 1. A heat-curable fluoropolyether-based adhesive composition comprising:(A) 100 parts by mass of a linear polyfluoro compound having at least two alkenyl groups in one molecule, and a perfluoropolyether structure in a main chain;(B) an alicyclic epoxy group-free and fluorine-containing organohydrogensiloxane having in one molecule: a monovalent perfluoroalkyl or perfluorooxyalkyl group(s), or a divalent perfluoroalkylene or perfluorooxyalkylene group(s); and at least two silicon atom-bonded hydrogen atoms (SiH groups), the component (B) being in an amount at which the SiH groups therein are in an amount of 0.3 to 3 mol per 1 mol of the alkenyl groups in the component (A);(C) an alicyclic epoxy group-containing and fluorine-containing organohydrogensiloxane having in one molecule: a monovalent perfluoroalkyl or perfluorooxyalkyl group(s), or a divalent perfluoroalkylene or perfluorooxyalkylene group(s); and at least one silicon atom-bonded hydrogen atom (SiH group), the component (C) being in an amount at which the SiH group(s) therein are in an amount of 0.01 to 2 mol per 1 mol of the alkenyl groups in the component (A); and(D) a platinum group metal-based catalyst, the component (D) being in an amount of 0.1 to 2,000 ppm in terms of mass of platinum group metal atoms with respect to ...

FLUORINATED ETHER POLYMER, THE PREPARATION METHOD THERFORE AND USE THEREOF

The embodiments herein relate to a fluorinated ether polymer which is capable of forming coatings with stain resistance, anti-fingerprint and anti-scratching properties. The polymer may be cured with multiple measures, therefore it has a variety of applications in coating and ink industry. The fluorinated ether polymers of the embodiments herein may be added into coating formulations to decrease the surface energy of resulting coatings. It is also feasible that the fluorinated ether polymers of the embodiments herein are used as the main resin component in coating formulations. The embodiments herein also relates to a method for manufacturing the polyester resin, and the use of the polyester resin in industries. 2. The fluorinated ether polymer of claim 1 , wherein n is an integer claim 1 , on average claim 1 , ranging from 10 to 30.3. The fluorinated ether polymer of claim 1 ,{'sup': 'f', 'wherein the number average molecular weight of Ris from 1000 to 3000.'}4. The fluorinated ether polymer of claim 1 , wherein Ris derived from{'sub': 3', '2', 'n', '3, 'F(CFCFCFO)CFCFCOOH,'}{'sub': 3', '2', 'n', '3', '2, 'F(CFCFCFO)CFCFCHOH,'}{'sub': 2', '2', 'm', '2', '2', '2', '2', 'p', '2', '2', '2', '2', '2', 'm, 'HO(CHCHO)CHCFO(CFCFO)(CFO)CFCH(OCHCH)OH'}{'sub': 2', '2', '2', '2', 'p', '2', '2, 'HOCHCFO(CFCFO)(CF2O)CFCHOH'}{'sub': 3', '3', '2', 'n', '3, 'HOOCCFFC(CFCFCFO)CFCFCOOH'}{'sub': 2', '2', 'n', '3, 'F(CFCFO)CFCFCOOH'}{'sub': 3', '2', '2', 'n', '3, 'HOOCCFCF(CFCFO)CFCFCOOH'}{'sub': 2', '2', 'n', '2, 'F(CFCFO)CFCOOH'}{'sub': 2', '2', '2', 'n', '2, 'HOOCCF(CFCFO)CFCOOH'}{'sub': 2', '2', '2', '2', '2', 'n', '2, 'F (CFCFOCFCFCFO)CFCOOH'}{'sub': 2', '2', '2', '2', '2', '2', 'n', '2, 'HOOCC F(CFCFOCFCFCFO)CFCOOH'}{'sub': 2', '2', '2', '2', 'm', '2', 'n', '2', '2, 'HOOCCHCFO(CFCFO)(CFO)CFCHCOOH'}{'sub': 3', '2', '2', 'm', '2', 'n', '2', '2, 'CFO(CFCFO)(CFO)CFCHCOOH'}{'sub': 2', '2', 'n', '2', '2', '2', '2', 'm', '2', 'n', '2', '2', '2', '2', 'n, 'HOOC(OCHCH)CHCFO(CFCFO)(CFO) ...

METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM

A method of manufacturing a magnetic recording medium forms an unfinished product including a magnetic recording layer and a protection layer that are successively formed on a substrate, and forms a lubricant layer on the protection layer of the unfinished product. The lubricant layer is formed by coating a first organic fluorine compound on the protection layer of the unfinished product, and supplying a gas, including a second organic fluorine compound, onto the protection layer of the unfinished product, and decomposing the second organic fluorine compound by Townsend discharge and ultraviolet ray irradiation. The protection layer includes carbon, and the first organic fluorine compound includes a functional group at a terminal thereof. 1. A method of manufacturing a magnetic recording medium , comprising:forming an unfinished product of the magnetic recording medium, including a magnetic recording layer and a protection layer that are successively formed on a substrate; andforming a lubricant layer on the protection layer of the unfinished product, coating a first organic fluorine compound on the protection layer of the unfinished product, and', 'supplying a gas, including a second organic fluorine compound, onto the protection layer of the unfinished product, and decomposing the second organic fluorine compound by Townsend discharge and ultraviolet ray irradiation,, 'wherein the forming the lubricant layer includes'}wherein the protection layer includes carbon, and the first organic fluorine compound includes a functional group at a terminal thereof.2. The method of manufacturing the magnetic recording medium as claimed in claim 1 , wherein the first organic fluorine compound has a perfluoropolyether structure claim 1 , a carboxyl group or a hydroxyl group at one terminal thereof claim 1 , and a weight average molecular weight of 1500 or greater.3. The method of manufacturing the magnetic recording medium as claimed in claim 2 , whereinthe second organic ...

Process for preparing halogen-containing polyether

Surface treatment of substrate containing metal, especially vehicle windscreen or headlamp

(Chloro)fluoroalkane derivatives (I) with a polar or dipolar group, are used in the form of a liquid system in a vehicle as protective coating for producing a charging matrix on an optical plate, which has a surface containing metal, especially a surface coating. (Chloro)fluoroalkane derivatives of formula (I), which have a polar or dipolar group, are used in the form of a liquid system in a vehicle as protective coating for producing a charging matrix on an optical plate, which has a surface containing metal, especially a surface coating; Rf-V (I) Rf = a partly or completely fluorinated or chlorofluorinated, linear or branched aliphatic hydrocarbyl group, optionally with oxygen (O), nitrogen (N) or sulfur (S) atom(s) in the chain; V = a polar or dipolar group selected from -COOR, -COR, -COF, -CH2OR, -OCOR, -CONR2, -CN, -CONH-NR2, -CON=C(NH2)2, -CH=NOR, -NRCONR2, -NR2COR, -Nw, -SO3R, -OSO2R, -OH, -SH, B, -OP(OH)2, -OPO(OH2)2, -OP(ONH4)2, -OPO(ONH4)2 and -CO-CH=CH2; R = hydrogen (H), phenyl or linear or branched alkyl or alkyl ether group, which may be (partly) (chloro)fluorinated and has <= 12, preferably <= 8 carbon (C) atoms, or -Rv-V; w = 2 or 3; or Rv = linear or branched alkylene, which may be (partly) (chloro)fluorinated and has 1-12, preferably <= 8 C. Independent claims are also included for (a) the treatment process; and (b) optical plates produced in this way.

Polymers

Lubrificanti perfluoropolieterei contenenti gruppi solfonilfluoruro

Separation of bifunctional perfluoropolyethers having methylol end groups

A process for separating bifunctional perfluoropolyethers (PFPEs) having two terminations -CH 2 OH from their mixtures with monofunctional PFPEs with one termination -CH 2 OH, of general formula          X 1 -O-Rf-Y     (I) wherein Rf is a perfluoropolyoxyalkylene chain having a number average molecular weight of 500-10,000; X 1 and Y are end groups selected from -CFXCH 2 OH (wherein X is F or CF 3 ), -CF 3 , -CF 2 Cl, -CF 2 CF 2 Cl, -C 3 F 6 Cl, -CF 2 Br, -CF 2 CF 3 , wherein at least one of the two end groups is -CFXCH 2 OH, said process comprising the steps of: a) addition of the PFPE mixture to an adsorbing solid phase, under stirring; b) filtration of the mixture obtained in a): c) addition to the solid phase filtered in b), of a PFPE mixture having an average functionality higher than that of the PFPE mixture of the liquid filtered in b); c2) filtration of the mixture obtained in c); and subsequent treatment of the solid phase separated in c2) with a polar solvent obtaining a liquid containing the PFPE having high functionality.

Polymers

The present invention relates to polymers comprising one or more perfluoroalkylpolyether units and one or more different charged units, to a process for producing such polymers in non-porous or particularly in porous form and to mouldings composed thereof.The novel polymers have an improved wettability and cell growth ability and are thus useful, for example, for the manufacture of biomedical devices, in particular opthalmic devices.

Fluorine-containing polyether compound and method for producing the same

A fluorine-containing polyether compound having the following general formula: (where R 1 is a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, or a phenyl group X is a bromine atom or an iodine atom; 1 and m each are independently an integer of 10 or more; and 1 + m is 30-200) can be produced by reaction of a fluorine-containing dicarboxylic acid fluoride compound having the following general formula: (where 1 and m each are independently an integer of 10 or more, and 1 + m is 30-200) with an aromatic amine compound having the following general formula: [where R 1 is a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, or a phenyl group, R 2 is a hydrogen atom or a group represented by the general formula -SiR 3 R 4 R 5 (where R 3 , R 4 and R 5 each are independently an alkyl group having 1 to 10 carbon atoms or a phenyl group) ; and X is a bromine atom or an iodine atom] preferably in the presence of pyridine or a tertiary amine compound such as triethylamine, etc.

Cyclic phosphazene compounds and use thereof as additives of perfluoropolyether oils

Cyclic phosphazene compounds of formula (I): wherein: Q is a cyclic compound of formula: A is an end group of the -OCF 2 X, -OC 2 F 4 X, -OC 3 F 6 X type, wherein X = F, Cl, H; R f and R' f are (per)fluoropolyoxyalkylene chains having a number average molecular weight in the range 280-5,000.

Use of perfluorinated polyethers for modification of polycarbonate copolymers

Disclosed herein are compositions comprising from about 0.01 wt. % to about 98 wt. % of a polycarbonate polymer component; and from greater than 1 wt. % to about 10 wt. % of a perfluorinated polyether additive, wherein the combined weight percent value of all components does not exceed 100 wt. %, and all weight percent values are based on the total weight of the composition. The composition exhibits a viscosity less than that of a substantially identical composition in the absence of the perfluorinated polyether additive when tested in accordance with ASTM D3835 at a shear rate of 500 s−1. The composition may comprise a wear factor K of less than 200×10-10 in 5-min/ft-lb-hr as measured at 50 fpm and 40 psi compared to steel in accordance with a modified ASTM D-3702.

FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM

A fluorine-containing ether compound represented by the following formula (1). 2. The fluorine-containing ether compound according to claim 1 ,{'sup': '1', 'wherein the alicyclic structure of Ris a saturated alicyclic structure.'}3. The fluorine-containing ether compound according to claim 1 ,{'sup': '1', 'wherein the alicyclic structure of Ris one selected from the group consisting of cyclopropane, cyclobutane, cyclopentane, cyclohexane, cycloheptane, cyclooctane, cyclononane, cyclodecane, cycloundecane, cyclododecane, cyclotridecane and adamantane.'}4. The fluorine-containing ether compound according to claim 1 ,{'sup': 1', '2, 'wherein any one of a carbon atom, an oxygen atom and a nitrogen atom included in Ris bonded to a carbon atom included in R.'}5. The fluorine-containing ether compound according to claim 1 ,{'sup': '1', 'wherein the alicyclic structure of Rhas a substituent, which is selected from a functional group selected from the group consisting of a hydroxyl group, an alkoxy group, an amide group, an amino group, a carbonyl group, a carboxyl group, a nitro group, a cyano group and a sulfo group, or an alkyl group having the functional group.'}6. The fluorine-containing ether compound according to claim 1 ,{'sup': '3', 'claim-text': {'br': None, 'sub': 2', '2', '2', 'b', '2', 'c', '2, '—CFO—(CFCFO)—(CFO)—CF—\u2003\u2003(3)'}, 'wherein Ris any of the following formulae (3) to (5),'} {'br': None, 'sub': 3', '3', '2', 'd', '3, '—CF(CF)—(OCF(CF)CF)—OCF(CF)—\u2003\u2003(4)'}, '(b and c in the formula (3) indicate average degrees of polymerization and each independently represents 0 to 30; here, there is no case where b and c become 0 at the same time)'} {'br': None, 'sub': 2', '2', '2', '2', '2', 'e', '2', '2, '—CFCFO—(CFCFCFO)—CFCF—\u2003\u2003(5)'}, '(d in the formula (4) indicates an average degree of polymerization and represents 0.1 to 30)'}(e in the formula (5) indicates an average degree of polymerization and represents 0.1 to 30).7. The fluorine- ...

Modified hydrogenated polymers

Hydrogenated fluoromodified polymers obtainable by reaction among hydrogenated polymers and the modifier having a polyether structure: RfO(CF 2 CF 2 O) m (CF 2 O) n -CF 2 -A q -T p wherein A is a linking bridge bound to the end group -CF 2 - of the perfluoropolyether chain, T represents one or more reactive functional groups; p and q are integers, p ranges from 1 to 4, q is an integer from 0 to 1; m and n are integers such that m/n is comprised between 0.2 and 5, Rf is a perfluoroalkyl from 1 to 3 carbon atoms.

Processo per preparare perfluoropolietri

Low profile lubricant with cyclophosphazene ring attached

A compound comprising a backbone with a perfluoropolyether chain. The compound also has one or more cyclophosphazene rings attached to or incorporated into the backbone. The compound further includes at least two functional groups attached to the backbone, attached to the one or more cyclophosphazene rings, or a combination thereof.

신규 기능화된 퍼플루오로폴리에테르 및 그의 제조방법

내용 없음.

polymers

Amides and esters of perfluoropolyoxaalkylenesulfo- or perfluoropolyoxaalkylene carboxylic acids and a method of their synthesis

FIELD: organic chemistry. SUBSTANCE: products: amides and esters of perfluoropolyoxaalkylenesulfo- or perfluoropolyoxaalkylene carboxylic acids of the general formula where R F CF 3 O-, C 2 H 5 O-, C 3 F 7 O-; ; ( _ CF 2 CF 2 O) n CF 2 -,; , n 8-5; Z=-CO-, -SO 2 -,; Q = -N(C m H 2m OH) 2 , where m 2,3,4,6,8,10; -N[(C 2 H 4 O) 4 C 3 H 6 OH];; NHC 2 H 4 OR n , where R n = CH 3 , C 2 H 5 , C 3 H 7 , -NH(C 2 H 4 O) 5 H, OC e H 2e N(C e H 2e OH) where e 2,4; C k H 2k+1 O, where R 6, 8, 10. Compound is synthesized by mixing fluoroanhydride of perfluoropolyoxaalkylenesulfo- or perfluoropolyoxaalkylene carboxylic acid of the general formula where R F =CF 3 , -(CF 2 CF 2 CF 2 O) n CF 2 CF 2 -,; n 8-55; Z -CO-, -SO 2 -, with primary, secondary or tertiary amine or alkanoylamine of the general formula H 3-x N(R) x where X 1, 2, 3; R R=(C n H 2n OH) x , where n 2, 3, 4, 6, 8, 10; -[(C 2 H 4 O) 4 C 3 H 6 OH] x at X 2 or -(C 2 H 4 OCH 3 ) x ,, -(C 2 H 4 OC 2 H 5 ) x ,, -(C 2 H 4 OC 3 H 7 ) x ,, -[(C 2 H 4 O) 5 -H] x at X 1 or (C n H 2n OH) x ,; X 3; n 2, 4, or higher fatty alcohol of the general formula C n H 2n+1 OH where n 6, 8, 10, and compound from the group: alkaline or alkaline-earth metal fluoride, ammonium fluoride or aluminium fluoride, alkaline metal carbonate, hydrocarbonate at molar ratio of indicated compounds 1.0: (1.2-4.0):(1.5-3.0), respectively, at (-25) (+8) C followed by heating up to 40-60 C, keeping reaction mixture at this temperature for 0.6-3.0 hr and isolation of the end product. Mixing parental products of reaction can be carried out in the presence of polyfluorocarbon solvent. Synthesized compounds were used for preparing antifriction, antiwearing, antiscratching addition agents to lubricant oils and as protective coating against atmosphere corrosion. EFFECT: improved method of synthesis, enhanced quality of products. 4 cl УТУ 9ЗУтОС ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 2 045 544 ' 13) Сл С 08 © 65/48 12) ОПИСАНИЕ ...

一种光氧化聚合制备带过氧的全氟聚醚的生产工艺

本发明公开了一种光氧化聚合制备带过氧的全氟聚醚的生产工艺，包括设有紫外光发生器和搅拌器的光聚合反应釜，光聚合反应釜内设气体分布器，气体分布器连通气相进料口形成氧气通道，搅拌器位于气体分布器出口的下方，操作时，将含氟烯烃由液相进料口送入光聚合反应釜，控制釜温在‑40～‑25℃，然后将氧气持续由氧气通道送入光聚合反应釜，在紫外光发生器的辐照下进行氧化聚合反应，得到反应中间产物，再经蒸发回收未反应单体后，得到含过氧的全氟聚醚产物。本发明采用特殊结构设计的聚合反应设备，再结合合理聚合工艺技术控制，实现带过氧的全氟聚醚的规模化生产，具有工艺简单，光引发效率和原料利用率高、易于工业化大规模生产等特点。

퍼폴로로폴리에테르들의 제조공정

본 발명은 과산화 퍼플로로폴리에테르들을 제조하는 공정으로, 압력이 2내지 15절대 압력 범위이고, 용매를 포함하는 액체상내에서 화학적 개시체의 존재하에, 화학적 개시체들에 대한 테트라플로로에틸렌의 몰비가 35보다 크게하고, 테트라폴로로에틸렌을 산소와 반응시키는 것이다. 본 발명의 공정에 의하면 동일한 과산화적 산소 함량에서 퍼플로로폴리에테르들의 분자량을 증가시킬 수 있다.

Copolymer having perfluoropolyether segment and polydiorganosiloxane segment

包含氟化内增塑剂的过氧化物可固化的高度氟化聚合物以及由其制得的制品

本文描述了一种官能化低聚化合物，该官能化低聚化合物可被聚合成过氧化物可固化的高度氟化聚合物。官能化低聚化合物为以下中的至少一种：式(I)的单官能化合物R‑L‑X，其数均分子量为1000g/mol‑16,000g/mol；或者式(II)的双官能化合物，即R 1 ‑(L‑X 1 ) 2 ，其数均分子量为1000g/mol‑6000g/mol；其中：X包括以下中的至少一者：‑CH＝CH 2 、‑CH 2 CH＝CH 2 、‑OCH＝CH 2 、‑OCH 2 CH＝CH 2 、‑OCH 2 C(CH 3 )＝CH 2 、‑C(CH 3 )＝CH 2 和‑OCF＝CF 2 ；X 1 包括以下中的至少一者：‑CH＝CH 2 、‑CH 2 CH＝CH 2 、‑OCH＝CH 2 、‑OCH 2 CH＝CH 2 、‑OCH 2 C(CH 3 )＝CH 2 和‑C(CH 3 )＝CH 2 ；L包括以下中的至少一者：化学键、‑CH 2 OC(＝O)‑、‑CH 2 OC(＝O)NHCH 2 CH 2 OC(＝O)‑和‑C(＝O)NHCH 2 CH 2 OC(＝O)‑；R为一价全氟聚醚烷基基团；并且R 1 为二价全氟聚醚烷亚基基团。此类官能化低聚化合物可用于改善高度氟化聚合物的可加工性，并且可改善所得固化的含氟聚合物的物理特性。

橡胶组合物、含氟弹性体和密封材料

一种橡胶组合物，其中，含有：(a)交联反应性含氟橡胶；(b)由下述式(b‑1)表示的化合物；和 (c)由下述式(c‑1)表示的化合物；

Fluorine-containing polyether and fluorine-containing lubricant

할로겐화 폴리에테르 조성물

본 발명은 화학식(Ia) 또는 화학식(Ib)에 따른 화합물, 상기 화합물을 포함하는 조성물, 및 이의 제조 방법에 관한 것으로서, 상기 식에서, 각각의 W는 H, F, Cl, Br, I and (CY 2 ) m CY 3 로 구성된 군으로부터 독립적으로 선택되고; 각각의 Y는 F, Cl, Br, 및 I로 구성된 군으로부터 독립적으로 선택되며; 각각의 Z는 H, OH, (CW 2 ) p CW 3 , CY 3 , OCW 3 , O(CW 2 ) p CW 3 , OCW((CY 2 ) m CY 3 )CWCW 2 , (CW 2 ) p OH, 폴리알킬렌 글리콜, 및 폴리올에스테르로 구성된 군으로부터 독립적으로 선택되고; n은 2 내지 49의 정수이며; m은 0 내지 3의 정수이고; p는 0 내지 9의 정수이며; 평균 분자량(M W )은 ≤5500이고; 그리고 다분산 지수는 ≤1.45이다.

불소화 유기 화합물의 제조 방법

A. 적어도 1개의 탄소-수소 결합을 포함한, 직쇄, 분지쇄 및 고리형 알칸 및 직쇄, 분지쇄 및 고리형 에테르로 이루어진 군에서 선택되며, -C(O)- 관능기를 함유하지 않는 화합물을 제공하는 단계; 및 B. 적어도 1개의 탄소-탄소 이중결합을 포함하며 적어도 1개의 불소 또는 염소 원자를 상기 이중결합의 탄소 원자 중 임의의 한 탄소 원자 상에 함유하는 적어도 1종의 (퍼)할로올레핀의 존재 하에, 상기 화합물을 불소와 반응시켜 적어도 1개의 탄소-수소 결합이 탄소-불소 결합에 의해 치환된 화합물을 수득하는 단계를 포함하는 탄화수소 화합물의 불소화 방법을 개시한다. 또한 상기 방법으로 수득되는, 부분적으로 불소화된 화합물의 조성물을 개시한다.

混杂含氟弹性体组合物、可固化的组合物以及它们的制备和使用方法

本发明公开了一种可固化的组合物，所述可固化的组合物包含由式Z 1 ‑X 1 p 表示的氟化聚醚以及由式Q 1 ‑X 2 y 表示的非氟化聚醚。Z 1 表示p价全氟化聚醚基团。Q 1 表示y价烃聚醚基团。每个X 1 和X 2 基团独立地表示官能团。p和y为≥2的整数。p个X 1 基团中的至少一些可与y个X 2 基团中的至少一些反应以形成共价交联的聚合物网络。本发明还公开了通过使可固化的组合物固化而制备的混杂含氟弹性体。

Coatings based on fluoropolyethers

플루오르화된 부분 R F 와 선택적으로 염기수용체들로의 수소결합들에 의하여 결합될 수 있는 기들을 함유하지 않은 수소화된 부분 R H , 염기수용체들과의 수소결합들에 의하여 결합될 수 있는 작용기를 적어도 하나 함유하는 결합다리들로서 서로 같거나 다른 수소화된 부분 Rh 1 및 Rh 2 을 포함하며, 플루오르화된 부분을 수소화된 부분에 연결시키는 결합들은 에테르 C-O 단순타입이고, 말단기들 T a '과 T"은 구조를 일-, 이- 또는 다리작용기적으로 만들어 플루오르화된 중합체가 연속적인 교차결합되도록 하고, 일작용기적인 생성물은 상술한 타입보다 항상 더 높은 작용기성을 가지는 수지와 혼합되어 있는 것을 특징으로 하는 교차결합가능한 고건조제제들을 제조하기 위한 플로로폴리에테르 기재의 플루오르화된 중합체들의 사용방법; 바람직한 플루오르화된 생성물들은 다음과 같은 화학식을 가진다: A functional group which can be bonded by the hydrogen bonding with the fluorinated part R F and optionally a hydrogenated part that does not contain a group that can be coupled by hydrogen bonding to the nucleotide receptor R H, nucleotide receptors at least one same-containing each other as bonding bridge, or comprises a different hydrogenated part Rh 1 and Rh 2, a bond that connects the fluorinated part to the hydrogenated part are of ether CO simple type, the end groups of T a 'and T Quot; means that the structure is made mono-, bi-, or penta-functional so that the fluorinated polymer is continuously cross-linked and the monofunctional product is always mixed with a resin having a higher functionality than the above-mentioned type A method of using fluoropolymers based on polyfluoroethers to prepare cross-linkable high dry formulations comprising The homologous products have the following chemical formulas:

Halogenated Optical Polymer Composition

본 발명은 방향족 또는 헤테로방향족 잔기; 각각의 플루오르화된 알킬렌, 아릴렌 또는 폴리에테르 잔기가 -O- 또는 -S- 결합을 통하여 상기 방향족 또는 헤테로방향족 잔기에 결합되어 있는 2 개 이상의 플루오르화된 알킬렌, 아릴렌 또는 폴리에테르 잔기; 및 각각의 에틸렌계 불포화 잔기가 상기 플루오르화된 알킬렌, 아릴렌 또는 폴리에테르 잔기의 하나에 결합되어 있는 하나 이상의 에틸렌계 불포화 잔기를 갖는 화합물을 포함하는 에너지 경화성 조성물을 제공한다. 본 발명은 또한 이소시아누레이트 잔기, 상기 이소시아누레이트 잔기의 질소에서 상기 이소시아누레이트에 결합된 3 개의 플루오르화된 알킬렌, 아릴렌 또는 폴리에테르 잔기, 및 상기 플루오르화된 알킬렌, 아릴렌 또는 폴리에테르 잔기의 하나에 결합된 하나 이상의 에틸렌계 불포화 잔기를 갖는 화합물을 포함하는 에너지 경화성 조성물을 제공한다. 본 발명은 또한 이들 조성물을 이용하여 제조된 중합 재료 및 광학적 장치를 제공한다. The present invention is directed to aromatic or heteroaromatic moieties; At least two fluorinated alkylene, arylene or polyether residues, wherein each fluorinated alkylene, arylene or polyether residue is bonded to the aromatic or heteroaromatic residue via an -O- or -S- bond. ; And a compound having at least one ethylenically unsaturated moiety, wherein each ethylenically unsaturated moiety is bonded to one of said fluorinated alkylene, arylene or polyether moieties. The invention also relates to isocyanurate residues, three fluorinated alkylene, arylene or polyether residues bonded to the isocyanurate at the nitrogen of the isocyanurate residue, and the fluorinated alkylene, Provided are energy curable compositions comprising a compound having at least one ethylenically unsaturated moiety bonded to one of arylene or polyether moieties. The invention also provides polymeric materials and optical devices made using these compositions. 할로겐화, 광학적 중합체, 에너지 경화성, 이소시아누레이트, 광학적 장치 Halogenated, optical polymer, energy curable, isocyanurate, optical device

Fluoroalkylalkoxylates

The present invention provides a fluorinated alkylalkoxylate of Formula (1) R f —(CH 2 CF 2 ) n (CH 2 ) m —(CH 2 CH 2 O) p —XH  (1) wherein R f is a linear or branched perfluoroalkyl group of 1 to 6 carbon atoms; n is an integer from 1 to 4; X is O; m is an integer from 1 to 6; and p is an integer from 1 to about 40; and a method of altering the surface behavior of a liquid with the fluorinated alkylalkoxylate of Formula (1).

Process for the alkoxylation of alcohols

Processes for the alkoxylation of alcohols using alkylene epoxides in the presence of boron based catalysts are provided.

Polymers

The present invention relates to polymers comprising one or more perfluoroalkylpolyether units and one or more different charged units, to a process for producing such polymers in non-porous or particularly in porous form and to mouldings composed thereof.The novel polymers have an improved wettability and cell growth ability and are thus useful, for example, for the manufacture of biomedical devices, in particular opthalmic devices.

Curable fluoropolyether rubber composition and rubber product