Abstract: Provided are fluorine-containing compounds, and polymers derived therefrom, for use in compositions used for treating textile substrates. The present invention further provides methods of making fluorine-containing compounds and polymers derived therefrom, compositions comprising the compounds and/or polymers of the present invention, methods of treating substrates, and the treated products derived therefrom.

Abstract: A polymerization process in microemulsion of: (I) one or more fluorinated monomers containing at least one ethylene unsaturation; (II) one or more fluorinated monomers containing sulphonyl groups —SO2F; said process comprising: a) preparation of an aqueous microemulsion, having a pH in the range 4-7, of perfluoropolyethers (PFPEs); b) feeding of the microemulsion to the polymerization reactor, in an amount higher than 18 ml per liter of reaction medium; c) introduction of the monomer (II) in liquid form into the reactor, reactor pressurization with the gaseous monomers (I); d) addition of the initiator, and feeding of the monomers (I) during the polymerization so as to maintain constant the reactor pressure.

Abstract: The present invention concerns polymers obtained by anionic initiation and bearing functions that can be activated by cationic initiations that are not reactive in the presence of anionic polymerization initiators. The presence of such cationic initiation functions allow an efficient cross-linking of the polymer after moulding, particularly in the form of a thin film. It is thus possible to obtain polymers with well-defined properties in terms of molecular weight and cross-linking density. The polymers of the present invention are capable of dissolving ionic compounds inducing a conductivity for the preparation of solid electrolytes.

Abstract: Fluorochemical polymers for use in providing stain-release properties to a substrate material are disclosed. The present invention provides for polymeric fluorochemical polymers that include perfluoroaliphatic, hydrophilic, cationogenic, and either N-hydroxyalkylacrylamide and/or diacrylate monomers.

Abstract: The present invention provides novel surface modified biodegradable polyesters having fluorocarbon chains at the terminal end of the polyesters. The compounds of the present invention are obtained by the addition of fluorocarbon chains at the surface of the polyester. Any commonly used polyester material can be used in the present invention; however, polyglycolic or polylactic acids or co-polymers thereof are preferred.

Abstract: A water- and oil-repellent containing a copolymer of (a) a fluoroalkyl group-containing monomer having a melting point of 60 to 80° C. in the state of a homopolymer, and (b) a hydrophilic group-containing monomer is extremely superior in soil releasability.

Abstract: The present invention relates to a process for the manufacture of porous polymers, wherein a polymerizable component comprising at least one free radically polymerizable unsaturated monomer of formula Q—X—A  (1), wherein the variables are defined as described in the claims, is polymerized in the presence of a specific solvent mixture, and the resulting porous polymer, after removal of the solvent, is subjected to an aftertreatment in an acidic or basic medium. The polymers obtainable according to the invention are useful, for example, as substrates for the attachment and growth of mammalian cells and tissue and in particular as materials for the manufacture of biomedical devices and prostheses, including implanted devices.

Abstract: An antifouling composition comprising, as an effective component, a copolymer comprising the following polymer units (a), (b), (c) and (d): (a) polymer units of a (meth)acrylate having a polyfluoroalkyl group, (b) polymer units of a (meth)acrylate having a polyoxyethylene group, (c) polymer units of a (meth)acrylate having a polyoxypropylene group, and (d) polymer units of a (meth)acrylate having a blocked isocyanate group.

Abstract: An electronic article having a thin film of a triazine ring-containing fluoropolymer obtained by trimerization of a cyano group of a cyano group-containing fluoropolymer having a polymerization unit of the formula (1): —[CF2—CF(A1)]—  (1) wherein A1 is —OR1CN, —CN or —R1CN, and R1 is a C1-C15 polyfluoroalkylene group which may have an ether bond.

Abstract: In vivo polymerizable intraocular lens compositions which comprise substituted fluoroalkyl or perfluoroalkyl monomers having anionic, cationic, and/or nonionic surface active functionality in the unsaturated fluorophobic ends. The compositions are preferably cured by UV photoinitiation and are useful in repairing torn or detached retinal tissue or forming intraocular lenses in situ.

Abstract: In order to improve the barrier effect to fats of the cationic fluorinated copolymers of Patent EP 542,598 resulting from the copolymerization of at least one polyfluorinated monomer, of at least one aminoalkyl (meth)acrylate and of at least one vinyl monomer (in particular vinyl acetate), they are subjected to the action of hydrogen peroxide during the salification stage or after the latter.

Abstract: Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the carboxylic acid results in mesogens that are capable of forming thermotropic and single-phase lyotropic mesophases over a broad range of compositions. The mesophases can be polymerized to lock in the ordered phases.

Abstract: In one aspect, the present invention provides a water-soluble and shelf-stable aqueous fluorochemical polymeric treatment useful to treat porous substrates to render them repellent to water- and oil-based stains. The treatment comprises a water-soluble fluorochemical polymer containing only carbon atoms in the backbone, with a plurality of each of the following groups pendent from the backbone: (a) fluoroaliphatic groups, (b) carboxyl-containing groups, (c) oxyalkylene or polyoxyalkylene groups, and, optionally, (d) silyl groups.

Abstract: Macromonomers of the formula I are described:Q-B(L-B).sub.n T (I)wherein n is at least 1.0;Q is a polymerizable group;B may be the same or different and is a difunctional block of molecular weight in the range of from 100 to 4000 and wherein at least one B is a perfluorinated polyether of formula II;--OCH.sub.2 CF.sub.2 O(CF.sub.2 CF.sub.2 O).sub.x (CF.sub.2 O).sub.y CF.sub.2 CH.sub.2 O-- (II)wherein the CF.sub.2 CF.sub.2 O and CF.sub.2 O units may be randomly distributed or distributed as blocks throughout the chain and wherein x and y may be the same or different such that the molecular weight of the perfluorinated polyether is in the range of from 242 to 4,000;L is a difunctional linking group; andT is a terminal group.These macromonomers may be used in the production of contact lenses, corneal implants, cell growth substrate or medical implant.

Abstract: A macromer of formula (I) is described: Q-(PFPE-L).sub.n-1 -PFPE-Q, wherein n>1.0; PFPE may be the same or different and is a perfluorinated polyether of formula (II): --OCH.sub.2 CF.sub.2 O(CF.sub.2 CF.sub.2 O).sub.x (CF.sub.2 O).sub.y CF.sub.2 CH.sub.2 O--, wherein the CF.sub.2 CF.sub.2 O and CF.sub.2 O units may be randomly distributed or distributed as blocks throughout the chain and wherein x and y may be the same or different such that the molecular weight of the PFPE is in the range of from 242 to 4,000; L is a difunctional linking group; and Q may be the same or different and is a polymerizable group. The macromer may be used preferably in the production of contact lenses.

Abstract: Amorphous fluoropolymers contain tetrafluoroethylene and perfluoro(ethyl vinyl ether).

Abstract: Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the carboxylic acid results in mesogens that are capable of forming thermotropic and single-phase lyotropic mesophases over a broad range of compositions. The mesophases can be polymerized to lock in the ordered phases.

Abstract: A stainproofing composition having water- and oil-repellency, containing a polymer emulsion prepared by dissolving at least one polyfluoroalkyl group-containing compound selected from the group consisting of a polyfluoroalkyl group-containing (meth)acrylate polymer, a polyfluoroalkyl group-containing polyester, a polyfluoroalkyl group-containing maleate and a polyfluoroalkyl group-containing fumarate in at least one monomer selected from the group consisting of a (meth)acrylate ester, a vinyl ester, a styrene compound and vinylidene chloride, vinyl chloride, emulsifying the resultant solution in water to prepare an oil-in-water emulsion, and polymerizing the emulsion exhibits excellent water- and oil-repellency and stainproof properties. It is also superior in sedimentation stability of the emulsion.

Abstract: A process for making oxidized olefins is disclosed. Specifically, the process comprises providing an olefin and oxygen in combination in a reaction medium comprising carbon dioxide, and then oxidizing the olefin in the reaction medium to make the oxidized olefin. Preferably, a perfluoropolyether is produced by the process.

Abstract: There is disclosed a liquid crystal polyacrylate mono- or co-polymers having a repeat unit (I), wherein R.sub.1 and R.sub.2 are independently alkyl or hydrogen, R.sub.3 is alkyl, hydrogen or chlorine, m is 0 or an integer 1-20, W is a linkage group COO, OOC or O and X is a mesogenic group.

Abstract: A soft intraocular lens consisting of a copolymer formed from a perfluorooctylethyloxypropylene (meth)acrylate monomer, a 2-phenylethyl (meth)acrylate monomer, an alkyl (meth)acrylate monomer and a crosslinking monomer as essential components restores its original shape to stabilize itself in a proper period of time, e.g., approximately 20.about.60 seconds, without remaining folded or self-adhering in its optical portion when folded to a small size, inserted into the eye while being held in a folded state and then released from a folding force.

Abstract: A polymerizable compound represented by Formula (I): ##STR1## where X is a hydrogen atom or a methyl group; l and m are independently an integer of 0 to 14; Y is a single bond, --COO--, --OCO--, or --O--; n and p are independently an integer of 0 to 18; q and s are independently an integer of 0 or 1; and R.sup.A and R.sup.B are independently represented by Formula (II) or (III); ##STR2## provided that, when q=1, p.gtoreq.2; and when R.sup.A is represented by the Formula (II), R.sup.B is represented by the Formula (II).

Abstract: A polymerizable compound represented by Formula (I): ##STR1## where X is a hydrogen atom or a methyl group; Y and Z are independently a hydrogen atom or a fluorine atom; l is an integer of 0 to 14; m and n are independently an integer of 0 or 1; R is represented by Formula (II), (III), or (IV); and when m=1, l.gtoreq.

Abstract: To provide a fluorine-containing olefin represented, for example, by CH.sub.2 .dbd.CFCF.sub.2 --R.sub.f.sup.6 --(CH.sub.2).sub.k --X.sup.2 ?wherein, X.sup.2 is --CH.sub.2 OH, ##STR1## or ##STR2## R.sub.f.sup.6 is a fluorine-substituted fluorine-containing alkyl group having 1 to 40 carbon atoms or --OR.sub.f.sup.7 -- (Rf.sup.7 is a fluorine-substituted fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-substituted fluorine-containing ether group having 3 to 50 carbon atoms), k is 0 or an integer of 1 to 6!; a fluorine-containing polymer with functional group which is prepared by polymerizing the above-mentioned olefin, has good affinity with various heat-resisting thermoplastic resins and is capable of forming homogeneous dispersion with the thermoplastic resin; and a thermoplastic resin composition comprising the above-mentioned fluorine-containing polymer with functional group and an aromatic polyester or the like as the heat-resisting thermoplastic resin.

Abstract: A photopolymerizable resin material composition for forming a polymer used for a liquid crystal display apparatus includes at least one acrylate compound selected from the group consisting of a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.ltoreq..alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8 and a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8 and a bifunctional acrylate compound having a fluorine substitution ratio .alpha. in the range of 0.1<.alpha.<0.8, and a photopolymerization delaying resin material.

Abstract: Process for preparing a water- and oil-repelling agent composition, which is obtained by solution-polymerizing a polymerizable monomer component which contains at least a monomer having a polyfluoroalkyl group in a polymerization solvent which contains at least one compound with a boiling point of 0.degree. to 150.degree. C. selected from the group consisting of a hydrochlorofluorocarbon having 2 to 3 carbon atoms and a hydrofluorocarbon having 4 to 6 carbon atoms and 4 or more fluorine atoms, said solvent containing the compound in an amount of at least 5% by weight, and the water- and oil-repelling agent composition prepared thereby.

Abstract: Novel fluorosiloxane-containing monomers are disclosed which are especially useful for the preparation of biomedical materials such as contact lenses.

Abstract: The invention relates to copolymers made from mono-reactive liquid and/or di-reactive liquid crystals which can be photopolymerized to form copolymers and to novel reactive liquid crystal compound having a nematic phase. Preferentially the reactive liquid crystal is polymerized while in the liquid crystal phase to produce an oriented birefringent polymer film. To do this, the reactive liquid crystal, in its nematic or smectic phase is aligned (by well known techniques such as rubbed polyimide, etc.) and the thin film containing a small amount of photoinitiator, is subjected to ultraviolet light whereupon it polymerizes into a thin, aligned polymer film.

Abstract: A fluorine-containing polymer composition comprising a polymer having a functional group and a fluorine-containing aliphatic cyclic structure dissolved in a solvent mixture of an aprotic fluorine-containing solvent and a protic fluorine-containing solvent.

Abstract: Disclosed is a polymeric article at least a portion of which is manufactured from a hydrogel material having a hydration level of from between about 45% and 56% by weight, which hydrogel is formed from a xerogel which is a copolymer system that can be solvolyzed and hydrated and during which undergoes a linear expansion of from about -7% to about +7%. The polymeric article is comprised of a copolymer system comprising dichloroacetate ester of glyceryl acrylate, methacrylate and ethacrylate and one or more compatible ethylenically unsaturated monomers without such solvolyzable groups.

Abstract: To provide a water- and oil-repellent agent which, when it is used to treat natural fibers such as cotton and silk, does not damage the feeling of the fibers and does shown an excellent continuation property of water- and oil-repellency effect.A fluorine system water- and oil-repellent agent comprising, as a main component, units derived from a copolymer comprising polyfluoro-oxyalkyl-containing (meth)acrylate and units derived from a dicarboxylic acid anhydride-containing (meth)acrylate.

Abstract: Polymerizable, organic-soluble, oligomeric fluorochemical surfactant compositions having at least two pendent fluoroaliphatic groups, at least two organic-solubilizing groups, and a pendent polymerizable olefinic group. Also a method of preparing such surfactant compositions. The compositions reduce the surface energy of acrylate-containing mixtures and acrylate-based pressure-sensitive adhesives. They can be used in preparing acrylate-based pressure-sensitive adhesives that coat well due to the presence of the surfactant and maintain adhesive performance upon aging.

Abstract: Fluorine-containing copolymers for use in coating substrates or for incorporation thereinto in order to impart water- and oil-repellent properties thereto are provided, starting from the following monomers:a) a polyfluorinated alcohol ester with a monocarboxylic alkene acid;b) an amino-alcohol ester with a monocarboxylic alkene acid;c) vinyl monomer having an alkylcarboxylate or alkylether group.

Abstract: A laminate has at least two layers, at least one of which comprises a polymer having more than one perfluorocyclobutane group. Such polymers impart qualities of enviornmental or protection, chemical and solvent resistance, hydrolytic stability, lubricity, low dielectric, hydrostatic stability, weatherability, flame resistance, chemical resistance, hydrolytic stability, lubricity, environmental protection, scratch resistance, solvent resistance, surface passivation, water repellancy, lower surface refractive index, lower surface coefficient of friction, fluid barrier properties, oil repellancy, thermal stability, and/or reduced moisture pick-up. Additionally, the coatings are optically clear, easy to apply either neat, in a solvent or otherwise, have relatively low cure temperatures for their temperature resistance, and exhibit insulating and planarizing capabilities.

Abstract: Novel fluorosiloxane-containing monomers are disclosed which are especially useful for the preparation of biomedical materials such as contact lenses.

Abstract: Novel fluorosiloxane-containing monomers are disclosed which are especially useful for the preparation of biomedical materials such as contact lenses.

Abstract: Repeat units having pendant functional groups increase the solubility of polymers containing repeat units of perfluoro-2,2-dimethyl-1,3-dioxole.

Abstract: This invention relates to a contact lens formed of a copolymer containing, as essential components, at least one fluorine-containing monomer and at least one hydrophilic monomer, and the contact lens of this invention has hydrous nature and sufficient oxygen permeability to alleviate a burden which is caused on the cornea when a contact lens is fitted on.

Abstract: The present invention comprises a flourochemical composition exhibiting water and oil repellency properties which is soluble in an a hydrocarbon solvent system which is non-halogenated or substantially free of halogens and strong carbonyl solvents.

Abstract: A contact lens material which is suitable for producing a contact lens having intermediate and low hydrous nature and which has hardness suitable for machining by cutting and polishing, is formed of a copolymer obtained by copolymerizing a monomer mixture which contains, based on 100 parts by weight of the monomer mixture, 35 to 65 parts by weight of at least one fluorine-containing monomer of the formula (I), ##STR1## wherein R.sub.1 is CH.sub.3, R.sub.2 is H or CH.sub.3, a is an integer of 1 to 9, m is an integer of 1 to 5, n is an integer of 4 to 10, p is an integer of 8 or greater, q is an integer of 0 or greater, and p, q and n have the relationship of p+q=2n+1,and 30 to 45 parts by weight of at least one amide group-containing monomer as essential components and which also contains other monomer as an optional component. The contact lens is obtained from the above contact lens material.

Abstract: A compound comprising 0.001 to 100 mole percent of a structural unit of the formula ##STR1## wherein W is --CMe.sub.2 -- or --Se--, R.sup.1 is C.sub.1 -C.sub.20 alkyl or aralkyl, R.sup.2 to R.sup.5 each represents H, C.sub.1 -C.sub.6 alkyl, etc., R.sup.6 and R.sup.7 each represents H, C.sub.1 -C.sub.6 alkyl, etc., X is O or S, provided that when W is --CMe.sub.2 --, X is S, and 0 to 99.999 mole percent of a structural unit of the formula ##STR2## wherein Y is H or Me and Z represents alkoxycarbonyl, phenyl, etc.

Abstract: A compound having at least one perfluorovinyl group and at least one functional group is suitable for reacting with and/or forming polymers. The compound is preferably of Formula I:(G)n-R-(X--CF.dbd.CF.sub.2).sub.mwherein R represents an optionally substituted hydrocarbyl group, X represents any group which links R and a perfluorovinyl group; n is the number of G groups, m is the number of (XCF.dbd.CF.sub.2) groups; and G represents any reactive functional group or a group convertible into a reactive functional groups.A process for preparing a compound of Formula I comprises the steps of:(a) preparing a 2-halotetrafluoro compound of the Formula III:(Q--CF.sub.2 --CF.sub.2 -X).sub.m -R-(G").sub.

Abstract: This invention relates to a contact lens formed of a copolymer obtained by copolymerizing a monomer mixture containing, as essential components, perfluorooctylethyloxyalkylene (meth)acrylate, siloxanyl (meth)acrylate, alkyl (meth)acrylate, a hydrophilic monomer and a crosslinking agent, and said contact is excellent in all of oxygen permeability, hardness and water wettability and is useful in practical use.

Abstract: There is disclosed an organic nonlinear optical material which comprises a polymer having the following constitutional units, in amounts of 5 to 100 mole % of (I) and 0 to 95 mole % of (II), and a weight average molecular weight (Mw) of the polymer being 10,000 to 2,000,000. ##STR1## wherein the symbols represent the same meanings as defined in the specification. ##STR2## A nonlinear optical element has large nonlinear optical effect and yet is excellent in molding processability so that it can be widely applied to the filed of optical processings.

Abstract: Acrylic copolymer comprising, per 100 parts by weight:approximately from 2 to 65 parts by weight of at least one polyoxyether (meth)acrylate of formula: ##STR1## in which: R.sub.1 is a methyl radical or a hydrogen atom,R.sub.2 is a hydrocarbon radical containing from 1 to 18 carbon atoms,1.ltoreq.m.ltoreq.20 and 1.ltoreq.n.ltoreq.20,from 1 to 6 parts by weight of (meth)acrylic anhydride,from 0 to 65 parts by weight of at least one fluoroalkyl (meth)acrylate, andfrom 0 to 97 parts by weight of at least one alkoxyalkyl (meth)acrylate.Process for coating a bituminous material, according to which the said material is coated with a formulation comprising an aqueous dispersion of a copolymer such as defined above.

Abstract: The fluorine-containing epoxy(meth)acrylate resin of the invention is represented by the following general formula (I). ##STR1## wherein R.sub.f is selected from the group consisting of --.phi.--C(CF.sub.3).sub.2 --.phi.-- (where .phi. stands for ##STR2## --C(CF.sub.3).sub.2 --.phi.'--C(CF.sub.3).sub.2 -- (where .phi.' stands for ##STR3## and --CH.sub.2 (CF.sub.2).sub.6 CH.sub.2 --; n is zero or a positive integer; and X is hydrogen or methyl group. The resin of the invention may be prepared by reacting a diglycidyl ether of a fluorine-containing hydrocarbon (R.sub.f) with acrylic acid or methacrylic acid. Further provided is an adhesive composition comprising the aforementioned fluorine-containing epoxy(meth)acrylate resin and a photo polymerization initiator, which can be cured at room temperature within a short time by irradiation with an UV ray to form a cured product having a refractive index n.sub.D.sup.20 ranging from 1.434 to 1.532.

Abstract: The epoxy resins according to the invention demonstrate the following structure: ##STR1## The cross-linked epoxy resins exhibit non-linear optical properties.

Abstract: Copolymers and graft copolymers of perfluoroalkylacrylates or methacrylates and esters of the general formula (I) or (II) ##STR1## wherein R, R.sub.1 and R.sub.2 denote hydrogen or methyl,p denotes 2 to 6,q denotes 2 to 200 andx and y denote 3-30,are outstandingly suitable for finishing textile materials, leather and paper.

Abstract: Compounds have a structure represented by Formula I:CF.sub.2 .dbd.CF--X--R--(X--CF.dbd.CF.sub.2).sub.mwherein R represents an unsubstituted or inertly substituted hydrocarbyl group; each X is independently selected from the group consisting of groups having at least one non-carbon atom between R and --CF.dbd.CF.sub.2 ; and m is an integer of from 1 to about 3. Polymers formed from such compounds are also prepared. The compounds are preferably prepared by a method by a process comprising the steps of:(a) forming a salt having anion corresponding to a compound of Formula II:HX--R--(XH.sub.m);wherein X, R and m are as defined for Formula I:(b) reacting the salt with a 1,2-dihalo-1,1,2,2-tetrafluoroethane wherein the halo groups are iodine, bromine, chlorine or mixtures thereof, at least one halo group being bromine or iodine, to form a compound of Formula III:Z--CF.sub.2 CF.sub.2 --X--R--(X--CF.sub.2 CF.sub.2 --Z).sub.

Abstract: A fluorine-containing polymer composition comprising a polymer having a functional group and a fluorine-containing aliphatic cyclic structure dissolved in a solvent mixture of an aprotic fluorine-containing solvent and a protic fluorine-containing solvent.