22255H). The disclosed articles include a "selective layer" that is selectively permeable for the desired component to be separated from the gas mixture. The selective layer is composed of an amorphous fluorinated copolymer. Optionally, the article may include other layers which serve various purposes such as, for example, a porous support layer, a "gutter layer," which allows the permeate gas to pass from the selective layer to the porous layer with minimal flow impedance, and a protective layer, which protects the selective layer from fouling. Each component of the separation articles described herein and methods for making and using the same are provided below.
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
Described herein are separation articles such as, for example, films, membranes and the like separating at least one component from a gaseous mixture comprising two or more components comprising difluoromethane (HFC-32, CH2F2) and pentafluoroethane (HFC-125, C2F5H). The disclosed articles include a “selective layer” that is selectively permeable for the desired component to be separated from the gas mixture. The selective layer is composed of an amorphous fluorinated copolymer. Optionally, the article may include other layers which serve various purposes such as, for example, a porous support layer, a “gutter layer,” which allows the permeate gas to pass from the selective layer to the porous layer with minimal flow impedance, and a protective layer, which protects the selective layer from fouling. Each component of the separation articles described herein and methods for making and using the same are provided below.
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
3.
AMORPHOUS FLUORINATED COPOLYMERS AND METHODS OF MAKING AND USING THE SAME
Described herein are amorphous fluorinated copolymers produced by the polymerization of one or more fluorinated ring monomers and one or more fluorinated comonomers containing multiple ether oxygens. The copolymers are suitable in many high-technology applications, such as optical fibers, anti-reflection coatings, protective coatings, and gas separation membranes. In one aspect, the copolymers are useful is in the field of membrane-based gas separation processes. In one aspect, amorphous copolymer is produced by polymerizing (a) one or more fluorinated ring monomers in the amount of 1 mol % to 99.5 mol %, wherein the fluorinated ring monomer is at least a five membered ring and (b) a comonomer in the amount of from 0.5 mol % to 99 mol %, wherein the comonomer comprises a fluorinated compound with two or more ether oxygens.
C08F 216/12 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical by an ether radical
C10L 3/10 - Working-up natural gas or synthetic natural gas
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
4.
GAS SEPARATION ARTICLES COMPOSED OF AMORPHOUS FLUORINATED COPOLYMERS OF DIOXOLANES AND OTHER FLUORINATED RING MONOMERS AND METHODS OF MAKING AND USING THEREOF
Described herein are articles for separating gases. The article includes an amorphous fluorinated copolymer containing, one or more types of fluorinated dioxolane ring monomers, and one or more types of fluorinated non-dioxolane ring monomers, optionally with crosslinking between the fluorinated copolymer chains. The copolymers of fluorinated dioxolane ring monomers and fluorinated non-dioxolane ring monomers show a large differential in the permeability of certain gases compared with other gases. The resulting polymer membranes have superior selectivity and reliability performance in certain gas separations compared with previous compositions known to the art. Methods for making and using the article described are also provided,
C08F 234/02 - Copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring in a ring containing oxygen
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
5.
GAS SEPARATION ARTICLES COMPOSED OF AMORPHOUS FLUORINATED COPOLYMERS OF DIOXOLANES AND OTHER FLUORINATED RING MONOMERS AND METHODS OF MAKING AND USING THEREOF
Described herein are articles for separating gases. The article includes an amorphous fluorinated copolymer containing one or more types of fluorinated dioxolane ring monomers, and one or more types of fluorinated non-dioxolane ring monomers, optionally with crosslinking between the fluorinated copolymer chains. The copolymers of fluorinated dioxolane ring monomers and fluorinated non-dioxolane ring monomers show a large differential in the permeability of certain gases compared with other gases. The resulting polymer membranes have superior selectivity and reliability performance in certain gas separations compared with previous compositions known to the art. Methods for making and using the article described are also provided.
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Polymers for use industry and science, namely, clear unprocessed fluoropolymer resins and solutions, namely, cyclic amorphous fluorinated homopolymers and copolymers for use in optical polymer fibers and cables, optical sensors for gases and molecules, optical waveguides, liquid dispersions, dielectric and insulating layers, semiconductor pellicle membranes, UV robust protective coating or adhesive layers, anti-reflective coatings, water- and oil-repellent coatings, chemically-resistant coatings, mixed gas separation membranes, mixed liquid separation membranes, hydrogen purification membranes, mold releases, UV LED encapsulation layers, electric materials, and ionomers Polymer materials, namely, semi-processed or processed clear fluoropolymer resins and solutions, namely, cyclic amorphous fluorinated homopolymers and copolymers for use in the manufacture of optical polymer fibers and cables, optical sensors for gases and molecules, optical waveguides, liquid dispersions, dielectric and insulating layers, semiconductor pellicle membranes, UV robust protective coating or adhesive layers, anti-reflective coatings, water- and oil-repellent coatings, chemically-resistant coatings, mixed gas separation membranes, mixed liquid separation membranes, hydrogen purification membranes, mold releases, UV LED encapsulation layers, electric materials, and ionomers
7.
GAS PERMEABLE WINDOWS COMPOSED OF AMORPHOUS CROSSLINKED FLUORINATED COPOLYMERS AND METHODS OF MAKING AND USING THEREOF
Described herein are optically transparent and semipermeable windows composed of at least one layer of an amorphous crosslinked fluorinated copolymer. Also disclosed are a process and apparatus for three-dimensional continuous liquid interface production (CLIP) printing using the windows described herein. The amorphous crosslinked fluorinated copolymers have improved mechanical properties, thereby reducing the susceptibility of the window to brittle failures such as cracking and crack propagation. The gas permeable windows have superior durability and reliability compared with other available structures and compositions.
C08F 34/00 - Homopolymers or copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring
C08F 34/02 - Homopolymers or copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring in a ring containing oxygen
8.
GAS SEPARATION ARTICLES COMPOSED OF AMORPHOUS CROSSLINKED FLUORINATED COPOLYMERS AND METHODS OF MAKING AND USING THEREOF
Described herein are articles for separating gases. The article includes a selective layer consisting of a crosslinked amorphous fluorinated copolymer containing one or more types of fluorinated ring monomers, with crosslinking between the fluorinated copolymer chains. The crosslinking improves the mechanical properties of the fluoropolymer, thereby permitting use of polymer types which would otherwise be excessively brittle. The resulting crosslinked polymer membranes have superior selectivity and reliability performance compared with previous compositions known to the art. Methods for making and using the article described are also provided.
C08F 234/02 - Copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring in a ring containing oxygen
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 71/76 - Macromolecular material not specifically provided for in a single one of groups
C07C 7/144 - Purification, separation or stabilisation of hydrocarbons; Use of additives using membranes, e.g. selective permeation
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Fluorocarbon solvents used for dissolution of amorphous fluorinated polymer materials for the purposes of filtration of fluoropolymer resins for use in optical polymer fibers and cables, and other high-purity applications, formation of liquid dispersions, removal and patterning of amorphous fluoropolymer materials, deposition of amorphous fluoropolymer films and layers in optical waveguides and optical sensors for gases and molecules, deposition of amorphous fluoropolymers as dielectric and insulating layers, electret materials, and semiconductor lithography mask pellicle membranes, deposition of amorphous fluoropolymer coatings and layers as UV robust protective layers, UV LED encapsulation layers, adhesive layers, antireflective coatings, water- and oil-repellent coatings, chemically resistant coatings, and mold releases, deposition of amorphous fluoropolymer membranes for mixed gas separation membranes, mixed liquid separation membranes, and hydrogen purification membranes, deposition of amorphous fluoropolymer ionomers in membrane electrode assemblies
10.
Gas permeable windows composed of amorphous crosslinked fluorinated copolymers and methods of making and using thereof
Described herein are optically transparent and semipermeable windows composed of at least one layer of an amorphous crosslinked fluorinated copolymer. Also disclosed are a process and apparatus for three-dimensional continuous liquid interface production (CLIP) printing using the windows described herein. The amorphous crosslinked fluorinated copolymers have improved mechanical properties, thereby reducing the susceptibility of the window to brittle failures such as cracking and crack propagation. The gas permeable windows have superior durability and reliability compared with other available structures and compositions.
C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
B29C 64/124 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
B32B 17/10 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29K 27/12 - Use of polyvinylhalogenides as moulding material containing fluorine
B29K 105/24 - Condition, form or state of moulded material cross-linked or vulcanised
11.
Gas separation articles composed of amorphous crosslinked fluorinated copolymers and methods of making and using thereof
Described herein are articles for separating gases. The article includes a selective layer consisting of a crosslinked amorphous fluorinated copolymer containing one or more types of fluorinated ring monomers, with crosslinking between the fluorinated copolymer chains. The crosslinking improves the mechanical properties of the fluoropolymer, thereby permitting use of polymer types which would otherwise be excessively brittle. The resulting crosslinked polymer membranes have superior selectivity and reliability performance compared with previous compositions known to the art. Methods for making and using the article described are also provided.
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 67/00 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
12.
Polymer optical fiber with tunable, hydrolytically stable overcladding
A polymer optical fiber is provided which shows improved hydrolytic stability. This fiber comprises a polymeric optical core and cladding layer, surrounded by a polymeric overcladding layer which comprises a miscible blend of one or more hydrolytically stable amorphous polymers. By varying the ratios of the component polymers in the overcladding blend, the glass transition temperature and the coefficient of thermal expansion of the overcladding layer may be tuned to optimize the attenuation and bandwidth of the plastic optical fiber.
A polymer optical fiber is provided which shows improved hydrolytic stability. This fiber comprises a polymeric optical core and cladding layer, surrounded by a polymeric overcladding layer which consists of a miscible blend of one or more hydrolytically stable amorphous polymers. By varying the ratios of the component polymers in the overcladding blend, the glass transition temperature and the coefficient of thermal expansion of the overcladding layer may be tuned to optimize the attenuation and bandwidth of the plastic optical fiber.
Described herein are amorphous fluorinated copolymers produced by the polymerization of one or more fluorinated ring monomers and one or more fluorinated comonomers containing multiple ether oxygens. The copolymers are suitable in many high-technology applications, such as optical fibers, anti-reflection coatings, protective coatings, and gas separation membranes. In one aspect, the copolymers are useful is in the field of membrane-based gas separation processes. In one aspect, amorphous copolymer is produced by polymerizing (a) one or more fluorinated ring monomers in the amount of 1 mol% to 99.5 mol %, wherein the fluorinated ring monomer is at least a five membered ring and (b) a comonomer in the amount of from 0.5 mol% to 99 mol%, wherein the comonomer comprises a fluorinated compound with two or more ether oxygens.
C08F 34/02 - Homopolymers or copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring in a ring containing oxygen
C08F 124/00 - Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a heterocyclic ring containing oxygen
01 - Chemical and biological materials for industrial, scientific and agricultural use
09 - Scientific and electric apparatus and instruments
Goods & Services
Unprocessed polymers; polymer cladding and core materials for optical fibers; polymer base compositions used in the manufacture of commercial, industrial and domestic goods Optical fiber and optical fiber cables
The present disclosure includes an optical fiber ribbon, using polymer optical fibers and an extremely thin adhesive coating to provide adhesion between the fibers. The external surfaces of the optical fiber ribbons are precisely placed with respect to the optical cores of the constituent fibers, and the optical cores of the fibers are precisely placed with respect to each other. Therefore, the external surface of the ribbon is used as a reference surface for aligning the array of optical fiber cores to arrays of optical emitters or detectors at the ends of the ribbon. Thus, the optical fiber ribbon of the present disclosure is cut, either by a sharp blade or other tool as suitable to expose a cross-section of the ribbon, and inserted as a single unit into a receptacle that aligns the outer surface of the ribbon with respect to the array of optical emitters or detectors.
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
The present disclosure includes an optical fiber ribbon, using polymer optical fibers and an extremely thin adhesive coating to provide adhesion between the fibers. The external surfaces of the optical fiber ribbons are precisely placed with respect to the optical cores of the constituent fibers, and the optical cores of the fibers are precisely placed with respect to each other. Therefore, the external surface of the ribbon is used as a reference surface for aligning the array of optical fiber cores to arrays of optical emitters or detectors at the ends of the ribbon. Thus, the optical fiber ribbon of the present disclosure is cut, either by a sharp blade or other tool as suitable to expose a cross-section of the ribbon, and inserted as a single unit into a receptacle that aligns the outer surface of the ribbon with respect to the array of optical emitters or detectors.
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
The present disclosure includes an optical fiber ribbon, using polymer optical fibers and an extremely thin adhesive coating to provide adhesion between the fibers. The external surfaces of the optical fiber ribbons are precisely placed with respect to the optical cores of the constituent fibers, and the optical cores of the fibers are precisely placed with respect to each other. Therefore, the external surface of the ribbon is used as a reference surface for aligning the array of optical fiber cores to arrays of optical emitters or detectors at the ends of the ribbon. Thus, the optical fiber ribbon of the present disclosure is cut, either by a sharp blade or other tool as suitable to expose a cross-section of the ribbon, and inserted as a single unit into a receptacle that aligns the outer surface of the ribbon with respect to the array of optical emitters or detectors.
