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This page is updated frequently with new Fluoropolymer-related patent applications. Subscribe to the Fluoropolymer RSS feed to automatically get the update: related Fluoropolymer RSS feeds. RSS updates for this page: Fluoropolymer RSS RSS


Electrical cable resistant to partial discharges

Date/App# patent app List of recent Fluoropolymer-related patents
08/14/14
20140228531
 Method for manufacturing fluoropolymers patent thumbnailMethod for manufacturing fluoropolymers
Wherein x1, x2, x3, equal or different from each other are independently selected among h, f, and c1-6 (per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; l represents a bond or a divalent group; rf is a divalent fluorinated c1-3 bridging group; y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.. .
08/14/14
20140227533
 Laminate body and method for producing laminate body patent thumbnailLaminate body and method for producing laminate body
The present invention aims to provide a laminate in which a metal and a fluoropolymer are directly and firmly attached to each other. The present invention relates to a laminate including a layer (a) including a metal, and a layer (b) formed on the layer (a), wherein the layer (b) includes a copolymer containing a polymer unit based on tetrafluoroethylene and a polymer unit based on a perfluoro(alkyl vinyl ether), the copolymer contains a carboxyl group at a terminus of a main chain and has a melt flow rate of not lower than 20 g/10 min and a melting point of not higher than 295° c., and the metal is at least one selected from the group consisting of copper, stainless steel, aluminum, iron, and an alloy thereof..
08/14/14
20140227532
 Method of bonding a fluoroelastomer compound to a metal substrate using low molecular weight functional hydrocardons as bonding promoter patent thumbnailMethod of bonding a fluoroelastomer compound to a metal substrate using low molecular weight functional hydrocardons as bonding promoter
Provided are methods of bonding a fluoroelastomer to a metal substrate; fluoropolymer compounds comprising a fluoroelastomer, a curing agent and a bonding promoter; and composite materials obtained by curing the compound. Further provided is the use of bonding promoters for increasing the bond strength between a fluoroelastomer and a metal substrate..
08/14/14
20140224521
 Electrical cable resistant to partial discharges patent thumbnailElectrical cable resistant to partial discharges
An electrical cable is provided having an elongate electrically conductive element (2) and at least one electrically insulating fluoropolymer layer (4) surrounding the electrically conductive element (2). The electrical cable is exempt from polyimide-containing layer between the electrically conductive element and the electrically insulating fluoropolymer layer..
08/07/14
20140221589
 Polymerizable fluoromonomer, fluoropolymer, resist material, and method of pattern formation patent thumbnailPolymerizable fluoromonomer, fluoropolymer, resist material, and method of pattern formation
Disclosed is a polymerizable fluoromonomer represented by the following general formula (1). In the formula, r1 represents a hydrogen atom, methyl group, fluorine atom, or trifluoromethyl group.
08/07/14
20140220490
 Polymerizable fluoromonomer, fluoropolymer, resist material, and method of pattern formation patent thumbnailPolymerizable fluoromonomer, fluoropolymer, resist material, and method of pattern formation
Disclosed is a polymerizable fluoromonomer represented by the following general formula (1). In the formula, r1 represents a hydrogen atom, methyl group, fluorine atom, or trifluoromethyl group.
08/07/14
20140216532
 Multilayered film and method for manufacturing same patent thumbnailMultilayered film and method for manufacturing same
A multi-layered film, a method of preparing the same and a photovoltaic module are provided. A barrier film having excellent moisture barrier properties can be coated with a fluoropolymer having excellent weather resistance by means of a primer layer including a silane-modified acrylic copolymer, and an interfacial adhesive strength can also be ensured.
07/31/14
20140213720
 Compositions of ionisable fluoropolymers patent thumbnailCompositions of ionisable fluoropolymers
The invention relates to a composition of ionisable fluoropolymers, in particular to polymer compositions comprising: a) at least one fluorinated ionisable polymer (a), which comprises recurring fluorinated blocks and recurring functional blocks, each of said recurring functional blocks comprising at least one ionisable anionic group, and in which polymer (a) at least one of the said recurring functional blocks is comprised between two fluorinated blocks; b) at least one fluorinated ionisable polymer (b), which comprises recurring fluorinated blocks and recurring functional blocks, each of said recurring functional blocks comprising at least one ionisable cationic group, and in which polymer (b) at least one of the said recurring functional blocks is comprised between two fluorinated blocks; wherein the ratio between the ionic equivalents of polymer (a) and the ionic equivalents of polymer (b) ranges from 1.1 to 0.9.. .
07/31/14
20140209153
 Multilayer film and manufacturing method thereof patent thumbnailMultilayer film and manufacturing method thereof
Provided are a multi-layered film, a backsheet for a photovoltaic cell, a method of forming the same and a photovoltaic module. The multi-layered film may include a primer layer and a fluoropolymer coating layer formed by coating, and thus the fluoropolymer coating layer, which is a surface layer, may have excellent durability and weather resistance due to an inter-diffusion effect between materials in the respective layers, and a high interface adhesive strength with a substrate and the primer layer.
07/24/14
20140205757
 Blended fluoropolymer compositions patent thumbnailBlended fluoropolymer compositions
Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer.
07/10/14
20140194023
Laminates with fluoropolymer cloth
A laminate includes a first layer of a first fluoropolymer. The laminate can further include a second layer of at least one ply of a fluoropolymer fabric overlying the first layer.
07/10/14
20140190724
Multi-layer insulated conductor having improved scrape abrasion resistance
An insulated conductor and method for making it are disclosed. The insulated conductor includes an elongate conductor and a multi-layer insulation system.
06/26/14
20140180402
Elastomeric leaflet for prosthetic heart valves
A leaflet for a prosthetic valve formed of at least one layer that includes a composite material containing at least one expanded fluoropolymer membrane having serpentine fibrils and an elastomer is provided. The fluoropolymer may be polytetrafluoroethylene.
06/26/14
20140179868
Method of producing fluoropolymers using alkyl sulfate surfactants
The invention relates to methods of polymerizing fluoromonomers using non-fluorinated surfactants, in particular to emulsion polymerization method for producing fluoropolymer latex. Specifically, the method of polymerization uses one or more alkyl sulfate surfactants..
06/26/14
20140178658
Fuser member
A fuser member having a substrate and a polyimide aerogel layer disposed on the substrate is shown. The polyimide aerogel layer has a porosity of from about 50 percent to about 95 percent.
06/26/14
20140178579
Method of making a fuser member
A method of manufacturing a fuser member is described. The method includes obtaining a substrate and coating a composition of an anhydride capped polyamic acid oligomer, a multi-amine and a solvent on the substrate to form a polyimide gel layer on the substrate.
06/26/14
20140173843
Paint applicators including paint application element having non-stick coating
A paint applicator having a non-stick coating, such as a fluoropolymer polymer resin, applied thereto in order to improve the cleanability thereof.. .
06/19/14
20140172066
Medical balloon devices and methods
A balloon or balloon cover comprising a composite material having a least one expanded fluoropolymer material and an elastomer is provided. The expanded fluoropolymer material can contain serpentine fibrils.
06/19/14
20140170409
Low-wear fluoropolymer composites
A low-wear fluoropolymer composite body comprises at least one fluoropolymer and additive particles dispersed therein. Also provided is a process for the fabrication of such a fluoropolymer composite body.
06/12/14
20140162916
Slurry technique for producing fluoropolymer composites
A fluoropolymer composite comprising at least one fluoropolymer and particulate filler material is formed using a slurry process, in which the particulate filler material is first dispersed in a polar organic liquid, which is then combined with a suitable particulate fluoropolymer. The combination is dried to form a composite powder material.
06/12/14
20140162172
Electrolyte membrane, preparing method thereof, and membrane electrode assembly and fuel cell including the membrane
An electrolyte membrane including: a host polymer having a fluoropolymer molecular chain having a segment of the formula —cf2—cf(m)ch2—cf2—, wherein m is at least one selected from —cf3—, —cf2h—, —cfh2— and a combination thereof, the segment being defluorinated or dehydrofluorinated and chemically crosslinked by a low molecular weight basic compound having at least two amino groups; and a proton conductive polymer having a polymer chain being a co-polymerization product of a low molecular weight polymerizable proton conductor monomer including an acidic group having a dissociable proton and at least one polymerizable functional group, with a crosslinking agent; wherein the molecular chains of the host polymer and the proton conductive polymer form an interpenetrating polymer network.. .
06/12/14
20140162065
Ceramic filled fluoropolymer compositions, methods and applications thereof
The present disclosure is in the field of electrical circuits and particularly to circuits characterized by plural conductive paths supported on a non-conductive substrate. The disclosure relates to ceramic filler compositions and methods for preparing said compositions.
06/12/14
20140159536
Magnet wire with shielded high temperature perfluoropolymer insulation
An electrical submersible pumping system includes a pump assembly and a motor assembly. The motor assembly includes a plurality of stator coils and each of the plurality of stator coils comprises magnet wire.
06/12/14
20140157677
Motor vehicle window regulator with low friction guide rails
A motor vehicle window regulator in which a matrix coating is applied to a metal blank. The matrix coating is comprised of particles of a fluoropolymer (such as polytetrafluoroethylene) carried in an organic polymer binder.
06/05/14
20140155549
Chemical resistant and fire retardant polycarbonate polyester composition
A composition comprising a blend of: a) one or more polycarbonates; b) one or more polyesters; c) one or more core shell rubbers having glycidyl groups on the surface of the core; and d) one or more halogenated fire retardant agent; wherein the polycarbonates and polyesters form separate phases and the core shell rubber is located in the polyester phase. The compositions may further comprise a fluoropolymer capable of functioning as an anti-drip agent.
06/05/14
20140154798
Red blood cell storage container
Red blood cell storage container includes: a container body made of a resin composition consisting of at least one of: polyolefin polymer, polyamide polymer, polyurethane polymer, polystyrene polymer, polybutadiene polymer, polyester polymer, fluoropolymer, polycarbonate polymer, polyacrylic polymer, and polysulfone polymer; and a coating part formed on an inner surface of the coating body and made of diamond-like carbon.. .
06/05/14
20140154512
Surface coating and fuser member
Described is a fuser member having a substrate and a release layer disposed on the substrate. The release layer includes a non-woven matrix of a plurality of polymer fibers.
06/05/14
20140154493
Apparatuses and methods for the production of fibers
A method of producing fibers, includes placing a composition that includes one or more fluoropolymers in the body of a fiber producing device and rotating the device at a speed sufficient to eject material from the fiber producing device to form fluoropolymer microfibers and/or nanofibers.. .
05/29/14
20140148528
Irradiated fluoropolymer articles having low leachable fluoride ions
The invention relates to fluoropolymer articles that have been irradiated with at least 5 kilo gray of radiation, where the resulting articles have low levels of leachable or extractable fluoride ion. The low fluoride ion migration from the irradiated article is due to the presence of low levels of metalic salts or oxides in the fluoropolymer composition.
05/29/14
20140147773
Pellicle for lithography, pellicle-mounted photomask, and exposure treatment method
To provide a pellicle for lithography having a pellicle membrane excellent in light resistance against light with a wavelength of at most 250 nm, particularly at most 200 nm, a pellicle-mounted photomask using it, and an exposure treatment method. A pellicle for lithography having a multilayer pellicle membrane including a membrane made of a fluoropolymer (a) which contains, as the main component, repeating units obtained by cyclopolymerization of a pertluorodiene having one etheric oxygen atom, and a membrane made of a fluoropolymer (b) which has fluorinated alicyclic ring structures each containing, in the ring structure, two or three etheric oxygen atoms not being adjacent to one another, wherein the total thickness of the membrane made of the fluoropolymer (b) is at most 40% of the total thickness of the membrane made of the fluoropolymer (a)..
05/29/14
20140147690
Bearing components and processes for depositing additives, especially fluoropolymers, on cellulose
A method for applying an additive, e.g. A fluoropolymer, to cellulose.
05/29/14
20140147568
Cooking release sheet materials and release surfaces
A cooking release material includes a layer comprising fluoropolymer. The cooking release material has a major surface having nucleation structures in a density of at least 10 per square inch.
05/29/14
20140147301
Metalized polymer components for use in high temperature pumping applications
A seal section for use in a downhole submersible pumping system includes a housing and a seal bag located within the housing. The seal bag includes a substrate having a plurality of substrate surfaces and a metal coating layer on at least one of the plurality of substrate surfaces.
05/29/14
20140147180
Fuser member
There is disclosed a fuser member that includes a substrate layer and a surface layer disposed on the substrate layer. The surface layer includes a fluoropolymer having dispersed therein fluorinated graphene particles.
05/29/14
20140144427
Polymeric materials for external applications with self-healing surface properties after scratches or abrasion damage
The surface enhancement comprises a self-healing coating based on crosslinkable fluoropolymers, e.g. Pfeve (polyfluoroethylene alkylvinyl ethers).
05/22/14
20140142209
Fluoropolymer, production method for fluoropolymer, and porous polymer film
Wherein one of x1 and x2 is a hydrogen atom, and the other is a fluorine atom; and r is a hydrogen atom or a c1-c8 alkyl group.. .
05/22/14
20140142011
Lubricant compositions comprising epoxide compounds
A lubricant composition including an epoxide compound is disclosed. An additive package including the epoxide compound is also disclosed.
05/22/14
20140142010
Lubricant compositions comprising epoxide compounds
A lubricant composition including an epoxide compound is disclosed. An additive package including the epoxide compound is also disclosed.
05/22/14
20140142009
Lubricant compositions comprising epoxide compounds
A lubricant composition including an epoxide compound is disclosed. An additive package including the epoxide compound is also disclosed.
05/22/14
20140142008
Lubricant compositions comprising epoxide compounds
A lubricant composition including an epoxide compound is disclosed. An additive package including the epoxide compound is also disclosed.
05/22/14
20140138304
Porous polymer film and production method for porous polymer film
The present invention aims to provide a porous polymer membrane that is excellent not only in water permeability and alkali resistance but also in mechanical strength. The porous polymer membrane of the present invention includes a fluoropolymer (a) that includes a vinylidene fluoride unit and a tetrafluoroethylene unit..
05/15/14
20140135897
Elastic stent graft
A stent graft including (1) a stent having a wall having at least one opening, an outer surface, and an inner surface and (2) a covering of a composite material having a least one expanded fluoropolymer membrane and an elastomer is provided. The cover can be used to cover the outer and/or the inner surface of the stent.
05/15/14
20140135463
Melt-fabricable perfluoropolymers having improved heat aging property
Heat aging of the composition comprising melt-fabricable tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer, the alkyl containing 1 to 5 carbon atoms and melt flowable polytetrafluoroethylene is effective to cause thermal transformation of the composition in the solid state, which is epitaxial co-crystallization of the polymer components of the composition, and other valuable changes, such as increased continuous use temperature.. .
05/15/14
20140131268
Process for manufacturing porous membranes
The present invention pertains to a process for the manufacture of a porous membrane, said process comprising the following steps: (i) providing a composition [composition (f)] comprising: —at least one fluoropolymer [polymer (f)] comprising recurring units derived from at least one (meth)acrylic monomer (ma) having formula (i) wherein: —r1, r2 and r3, equal to or different from each other, are independently selected from a hydrogen atom and a c1-c3 hydrocarbon group, and —rx is a hydrogen atom or a c1-c5 hydrocarbon moiety comprising at least one functional group selected from a hydroxyl, a carboxyl, an epoxide, an ester and an ether group, and —at least one poly(alkylene oxide) (pao); (ii) processing said composition (f) to provide a film; (iii) treating the film so obtained with an aqueous composition to provide said porous membrane. The present invention also relates to films and compositions used in said process, to porous membranes obtained from said process and to use of said porous membranes as separators in lithium-ion batteries, as filtration membranes or in biomedical applications..
05/08/14
20140127434
Fluoropolymer composition for multilayer assemblies
The invention pertains to a composition (c1) comprising: at least one (meth)acrylic modified vdf polymer [polymer (a)] comprising recurring units derived from comprising recurring units derived from vinylidene fluoride (vdf) monomer and at least one hydrophilic (meth)acrylic monomer (ma) of formula (i), wherein each of r1, r2, r3, equal or different from each other, is independently a hydrogen atom or a c1-c3 hydrocarbon group, and roh is a hydrogen or a c1-c5 hydrocarbon moiety comprising at least one hydroxyl group; at least one inorganic uv blocker compound in an amount not exceeding 5% wt, with respect to the weight of polymer (a), to multilayer assemblies comprising one layer made from said composition (c1), to a method for manufacturing said multilayer assemblies and to the use of the same in different field of use, including protection of pv modules.. .
05/08/14
20140126927
Developer, image-forming apparatus, and method for forming image
A developer contains a toner having an external additive deposited thereon. The developer is used with an image-forming apparatus including an image carrier including a surface layer in which fluoropolymer resin particles are dispersed and a cleaning member disposed in contact with an outer surface of the image carrier.
05/08/14
20140124031
Optoelectronic devices incorporating fluoropolymer compositions for protection
The fluoropolymer compositions of the present invention generally incorporate ingredients comprising one or more fluoropolymers, an ultraviolet light protection component (hereinafter uv protection component), and optionally one or more additional ingredients if desired. The uv protection component includes a combination of at least one hindered tertiary amine (hta) compound having a certain structure and a weight average molecular weight of at least 1000.
05/01/14
20140121298
Method of powder coating and powder-coated fuser member
Methods for powder coating that include applying a powder coating composition to a substrate via an electrostatic gun. The powder coating composition includes a mixture of two or more materials having different densities, such as a mixture of aerogel particles and fluoropolymer-containing particles.
05/01/14
20140120286
Fluoropolymer articles having a high surface roughness and high coarseness
The present invention furthermore relates to a membrane comprising, or consisting of, a fluoropolymer having a coarseness index ρ/ebp of at least 0.3, an air permeability of 15 ft3/ft2/min or higher and a node aspect ratio of below 25.. .
05/01/14
20140116465
Applicator with hydrophobic coating transferable to contacting surface
A coating composition for imparting a hydrophobic film on a target surface is provided that, includes an oil of a silicone oil or a fluoropolymer oil or a combination thereof, a resin, and a dry lubricant. A solvent is present to form a solution of the oil and resin.
04/24/14
20140114024
Azide-containing fluoropolymers and their preparation
Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.. .
04/24/14
20140113144
Superhydrophobic nanocomposite coatings
The invention relates to a superhydrophobic coating composition containing a polyurethane; a fluoropolymer; a nanofiller; and an organic solvent. The polyurethane to fluoropolymer are present in a weight ratio from about 1:2 to about 15:1.
04/24/14
20140110641
Method for producing active material particles for lithium ion secondary battery, electrode and lithium ion secondary battery
Active material particles (x) for a lithium ion secondary battery are contacted with a composition containing a compound (a) having a metal element (m) selected from the group consisting of li, mg, ca, sr, ba, pb, y, ti, zr, hf, v, nb, ta, cr, mo, w, mn, fe, co, ni, cu, zn, al, in, sn, sb, bi, la, ce, pr, nd, gd, dy, er and yb and a composition containing a fluoropolymer (b) having repeating units represented by —[cf2—cr1, r2]— (wherein each of r1 and r2 is h, f or —cf3), followed by heating.. .
04/24/14
20140110146
Down-hole cable having a fluoropolymer filler layer
A system and method for a down-hole cable is provided. The down-hole cable includes an insulated conductor portion.
04/17/14
20140107280
Fluoroelastomer compositions having self-bonding characteristics and methods of making same
Self-bonding curable fluoroelastomer compositions are provided wherein the compositions including a) a fluoropolymer composition having at least one curable fluoropolymer; and b) a compound selected from the group consisting of aluminum acrylates, silicon acrylates, and ammonia acrylates, wherein the self-bonding curable fluoroelastomer composition is able to bond directly to a substrate. Bonded structures formed of such self-bonding compositions and a substrate having a surface bonded thereto are also described herein along with a method for bonding a self-bonding curable fluoroelastomer composition to a substrate surface.
04/17/14
20140106997
Lubricant compositions comprising boroxines and amine compounds to improve fluoropolymer seal compatibility
A lubricant composition including a boroxine compound is disclosed. A lubricant composition and additive package including a boroxine compound and an amine compound are also disclosed.
04/17/14
20140106996
Lubricant compositions comprising boroxines and sterically hindered amines to improve fluoropolymer seal compatibility
A lubricant composition including a boroxine compound is disclosed. A lubricant composition and additive package including a boroxine compound and a sterically hindered amine compound are also disclosed.
04/17/14
20140106162
Low-wear fluoropolymer composites
A low-wear fluoropolymer composite body comprises at least one fluoropolymer and additive particles dispersed therein. Also provided is a process for the fabrication of such a fluoropolymer composite body.
04/17/14
20140106156
Compositions for treating textile fibers and floor coverings comprising the same
In one aspect, compositions are described herein which, in some embodiments, can improve or enhance the oil and soiling resistance of textile fibers, including fibers used in carpet and floor coverings. A composition described herein, in some embodiments, comprises a fluoropolymer component, a hydrophilic soil release polymeric component and a hardening component comprising one or more polymeric species having a glass transition temperature (tg) greater than about 85° c..
04/17/14
20140105955
Thermoplastic fluoropolymer-coated medical devices
A medical device provided with at least a partial surface coating of a thermoplastic copolymer of tetrafluoroethylene and perfluoroalkylvinylether that is free of cross-linking monomers and curing agents. The fluoropolymer coating is preferably an amorphous thermoplastic, is highly inert and biocompatible, has elastomeric characteristics that provide desirable mechanical properties such as good flexibility and durability.
04/17/14
20140102758
High temperature insulating tape and wire or cable sheathed therewith
A composite coating includes a first layer, a second layer, and a fluoropolymer film disposed on the second layer. The first layer includes a polymer matrix with mica particles dispersed throughout, while the second layer includes a polyether ether ketone (peek)..
04/17/14
20140101945
Formation of thin uniform coatings on blade edges using isostatic press
The invention discloses utilizing isostatic-press (ip) processes apply a polymeric material (e.g, a ptfe foil) to uncoated razor blade edges forming thin, dense, and uniform coatings on blade edges which in turn exhibit low initial cutting forces correlating with more comfortable shaves. The isostatic press may be a hot isostatic press (hip) or a cold isostatic press (cip) or any other isostatic press process.
04/10/14
20140100313
Solvents for fluoropolymers
The invention also relates to the solutions comprising the said solvent system and the said fluoropolymer, and to their uses in the manufacture of films, membranes and coatings.. .
04/10/14
20140100144
Maintenance-free slide bearing with a combined adhesive sliding layer
Slide bearings and methods of producing slide bearings are disclosed. The slide bearing has a metal support and a sliding layer.
04/10/14
20140099461
Self-bonding fluoropolymers and methods of producing the same
A method of making expanded fluoropolymer articles thermally bonds portions of expanded fluoropolymers together, without using an adhesive or crushing force, to produce stronger bonds at the joint between the expanded fluoropolymers than the bonds within the constituent expanded fluoropolymers. The method involves placing the portions of expanded fluoropolymers to be thermally bonded together in intimate contact with each other after wet-stretching the expanded fluoropolymers, and removing the wetting agent used to wet-stretch the expanded fluoropolymers, without subsequent expansion or stretching, to yield an expanded fluoropolymer article exhibiting unexpected and superior properties that can be used in a variety of medical and industrial applications..
04/10/14
20140096694
Anti-marking jackets comprised of fluoropolymer and methods of using in offset printing
In a printing press having a blanket for transferring a print image to a substrate, a blanket cleaning device. The device comprises a feed cylinder, a continuous tape having an adhesive on one surface initially stored on the feed cylinder, a take-up cylinder configured to take-up consumed continuous tape, and a drive mechanism synchronized to the rotation of a blanket cylinder that rotates the feed cylinder and the take-up cylinder, whereby the continuous tape removes surfactants from the blanket..
04/03/14
20140094564
Article prepared from clean fluoropolymers
There is provided an article prepared from a fluoroelastomer, the fluoroelastomer being derived from an emulsion, the emulsion comprising a fluorinated emulsifier represented by the formula f—(cf2)t—[o(cf2)n]m—o—(chf)o—(cf2)p—x.. .
04/03/14
20140094546
Fluoropolymer coatings
The present invention relates to a fluoropolymer coating having improved tribological properties, which coating comprises nanodiamond particles in a concentration between 0.01 wt. % and 5 wt.
04/03/14
20140090257
Formation of thin uniform coatings on blade edges using isostatic press
The invention discloses isostatic-pressing (ip) applied to polymer (e.g., ptfe) coated razor blade edges to produce thin, dense, and uniform blade edges which in turn exhibit low initial cutting forces correlating with a more comfortable shaves. The isostatic press utilized may be a hot isostatic press (hip) or cold isostatic press (cip) or any other isostatic press process.
03/27/14
20140087195
Chlorofluoropolymer coated substrates and methods for producing the same
Disclosed is a coated substrate, which includes a substrate comprising a cellulosic fiber material and a copolymer coated in a thin film on at least one surface of the substrate. The copolymer has at least two comonomer units of the formula: cx2cya, wherein each x is independently selected from the group consisting of h, cl and f; y is selected from the group consisting of h, cl, f, o(cz2)ncz3, (cz2)ncz3, (ocz2cz2)ncz3 and (o(cz2)n)ncz3, wherein each n is independently from about 1 to about 12 and each z is independently selected from the group consisting of h, cl and f; and a is selected from the group consisting of h, cl and f; provided that for at least one comonomer unit, at least one of a, y, and either x or any z is cl..
03/27/14
20140083550
Process for lining metal pipelines
The present invention pertains to a process for lining a metal pipeline, said process comprising the following steps: (i) processing a thermoplastic fluoropolymer composition to yield a pipe liner having an outer diameter greater than the inner diameter of said metal pipeline, said thermoplastic fluoropolymer composition comprising: (a) from 10% to 60% by weight, on the total weight of polymer (a) and polymer (b) of at least one vinylidene fluoride (vdf) homopolymer [polymer (a)], (b) from 40% to 90% by weight, based on the total weight of polymer (a) and polymer (b) of at least one vdf copolymer comprising from 2% to 15% by moles of recurring units derived from at least one other fluorinated comonomer (f) [polymer (b)], and (ii) deforming said pipe liner, (iii) introducing the deformed pipe liner in said metal pipeline; and (iv) expanding the deformed pipe liner to fit with the inner diameter of said metal pipeline. The present invention also relates to a pipeline system..


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Fluoropolymer topics: Fluoropolymer, Air Cleaning, Alkyl Group, Fatty Acid, Fatty Acid Amide, Benzaldehyde, Nanoparticle, Polytetrafluoroethylene, Tetrafluoro, Tetrafluoroethylene, Interrupted, Dielectric Constant, Semiconductor

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