72 results about "Liquid polymer" patented technology

Articles of apparel and methods of making articles of apparel comprising one or more continuous threads wound around anchor points. In some embodiments, the methods can comprise winding a continuous thread around a plurality of projections to form a thread layer comprising a plurality of thread lines and impregnating at least a portion of the continuous thread with a flowable liquid polymer. In some embodiments, the methods can comprise bonding a thread layer to a rigid plate such that one or more thread lines extend across an opening formed in the rigid plate.

To provide a method of manufacturing fibers having improved comfort and water and odor adsorption properties.SOLUTION: There is provided a method for making fibers, the method including: doping a liquid polymer with zeolite particles encapsulated in a sealing material, wherein the zeolite particles have an average diameter of 0.2 to 50 micron (inclusive) and are present in fibers at a concentration of 250 to 25,000 parts per million; forming fibers from the particle-doped polymer; and treating the fiber with 5 to 25% NaOH, LiOH, or KOH at about 80°C to 100°C for about 15 to 45 minutes to remove a portion of a surface layer of the fiber to form weight-reduced fibers, wherein the portion of the surface layer of the fiber that is removed has a thickness of about 0.1 to 10 times the average diameter of the zeolite particles, and wherein the fiber forms a multifilament yarn or a staple fiber with an odor adsorption or an odor activity value (OAV) of at least 15.SELECTED DRAWING: None

To provide a rubber composition with excellent on-ice performance. To solve the above issue, the present disclosure contains a rubber component, a fatty acid amide, and a liquid polymer with a polystyrene-equivalent weight average molecular weight measured by gel permeation chromatography of 5,000 or more and less than 40,000.

The invention relates to a polyion liquid modified polyamide material and a preparation method thereof. The polyamide material provided by the invention comprises a polyionic liquid synergist which comprises an ionic liquid polymer with a synergistic flame-retardant function and specifically comprises one or more of the following components: quaternary ammonium type dihydric phosphate polyionic liquid, imidazole type dihydric phosphate polyionic liquid and pyridine type dihydric phosphate polyionic liquid. The polyamide material provided by the invention can realize excellent flame retardant property, significantly reduce precipitation of the flame retardant and maintain excellent mechanical properties.

The utility model belongs to the technical field of liquid polymer potting forming, and particularly relates to a storage module potting positioning tool. Comprising a cavity, a mold core, an adjusting screw, a pressing block and a screw, a cavity is formed in the upper surface of the cavity; the storage module is placed in the cavity, the liquid polymer is poured into the cavity to wrap the storage module, and curing forming is performed after standing; two ends of the mold core are fixed on the cavity through screws; a boss is arranged on the lower surface of the middle of the mold core; the pressing block is fixed to the cavity through a screw, and the pressing block and the cavity are jointly matched to be used for liquid polymer forming.

Embodiments of this disclosure relate to a method for selectively depositing polysilicon after forming a fluid polymer film to protect a substrate surface within a feature. A first silicon (Si) layer is deposited by physical vapor deposition (PVD). A fluid polymer film is formed on the first silicon (Si) layer on the bottom. A portion of the first silicon (Si) layer is selectively removed from the top surface and at least one side wall. The fluid polymer film is removed. In some embodiments, a second silicon (Si) layer is selectively deposited on the first silicon (Si) layer to fill the feature. In some embodiments, the remaining portion of the first silicon (Si) layer on the bottom is oxidized to form a first silicon oxide (SiO₂) on the bottom. x ) forms a layer, and a silicon (Si) layer or a second silicon oxide (SiO) layer x The ) layer is the first silicon oxide (SiO x It is deposited on top of layers.

A liquid polymer is deposited onto the end face of an optical fiber and cured to form a matching layer having an outer surface that faces away from the end face. During the curing process, the optical fiber may be oriented so the end face faces downward to produce a matching layer having a curved outer surface, or oriented so the end face faces upward to produce a matching layer having a flat outer surface. The end face may include a peripheral area formed from an easy-to-clean coating that confines the liquid polymer to the core and cladding areas of the end face. The easy-to-clean coating also prevents spillover of the liquid polymer onto the cladding of the optical fiber. Matching layer thickness may be tuned using a spin coating process.

The continuous solution polymerization process according to an exemplary embodiment comprises: producing a product comprising a polymer through a polymerization process in a reactor; separating the product into a first solution comprising the polymer and a second solution comprising the polymer in the liquid-liquid separator; supplying the first solution to a devolatilizer and supplying the second solution separated to a solid-liquid separator (S / L separator); separating the second solution into a vapor comprising the polymer and a liquid-state polymer in the devolatilizer; separating the second solution and the vapor comprising the polymer into a solvent capable of being introduced into the reactor and a solid comprising the polymer in the solid-liquid separator (S / L separator); and introducing and recirculating the solvent capable of being introduced into the reactor into the reactor.

A continuous solution polymerization process may include producing a product including a polymer through a polymerization process in a reactor; separating the product into a first solution including the polymer and a second solution including the polymer in the liquid-liquid separator; supplying the first solution to a devolatilizer and supplying the second solution to a solid-liquid separator (S / L separator); separating the second solution into a vapor including the polymer and a liquid-state polymer in the devolatilizer; separating the second solution and the vapor including the polymer into a solvent capable of being introduced into the reactor and a solid including the polymer in the solid-liquid separator (S / L separator); and introducing and recirculating the solvent capable of being introduced into the reactor into the reactor.

A polyaniline composition including a polyaniline complex composed of a polyaniline doped with a dopant, and a liquid polymer.

This invention discloses a novel method for fabricating a photofluidic variable-focus microlens array, belonging to the field of microfluidics. First, a liquid polymer is cast onto a microfluidic mold and cured to obtain an elastomer film with microchannels. Next, a microlens array is fabricated within the microchannels using a near-field electro-inking system. Then, a microfluidic chip with the embedded microlens array is prepared through encapsulation. Finally, the focal length of the microlens array is adjusted by introducing solutions of different refractive indices into the microfluidic channels. The fabrication method of this invention allows control of the microlens size by controlling the deposition time of the printed droplets. The focal length of the microlenses can be adjusted by changing the liquid in the microfluidic channels. This invention does not require complex process steps or expensive processing equipment, representing a flexible manufacturing method.

The present invention relates to an elastomeric compound for tyres for vehicle wheels, in particular an elastomeric compound for tread band of a tyre, preferably for big enduro motorcycles. By virtue of the use of special diene elastomeric polymers in admixture, preferably associated with liquid polymers, the elastomeric compound incorporated in the tread band gives the tyre long mileage together with high handling, especially in wet conditions.

The present application discloses a non-contact liquid cutting device and a cutting method, which relate to the technical field of cutting equipment. The non-contact liquid cutting device includes a base, an electrode plate, a tool holder module, a tool and a high-voltage power supply; the electrode plate is arranged on the base, and the liquid polymer to be cut is placed thereon; the tool holder module is arranged on the base; the tool is detachably arranged on the tool holder module, and the blade of the tool faces the upper surface of the electrode plate; the positive pole of the high-voltage power supply is electrically connected to the tool, and the negative pole of the high-voltage power supply is electrically connected to the electrode plate and is grounded; wherein, the high-voltage power supply is used to provide a high voltage voltage to the tool, so that the blade generates an ion wind extending along its own length, and the length of the ion wind is greater than or equal to the width of the liquid polymer along the cutting direction. The non-contact liquid cutting device disclosed in the present application extends the life of the tool, expands the types of cutting, does not produce harmful substances, and is economical and environmentally friendly.

This invention provides a rubber composition for sealing materials with excellent destructive properties and sealing performance, and an inflatable tire (self-healing tire) using the same. The rubber composition for sealing materials contains, relative to 100 parts by weight of butyl rubber, 5 to 20 parts by weight of a resin curing agent and 100 to 300 parts by weight of a liquid polymer.

A method involves mixing metallic particles and a liquefied polymer to form a mixture, placing the mixture within a mold, placing a magnet in the vicinity of the mixture within the mold, thereby causing the metallic particles to position themselves in a self-assembly formation within the mixture in response to a magnetic field generated by the magnet, and solidifying the liquefied polymer, such that a polymer matrix is formed. The metallic particles are distributed and secured in the self-assembly formation throughout the polymer matrix, thereby forming a ballast for an untethered downhole tool configured to be lowered into a well formed in a subterranean formation. The polymer matrix is configured to dissolve in response to being exposed to downhole fluid within the well at specified downhole conditions.

The application discloses a kind of core-shell structure silicon carbon nanowire negative electrode materials and preparation method and application, including the following steps: S1, after mixing even with silica powder, reduced carbon powder and proper alcohol, preforming compression is carried out, and green compact is obtained;S2, green compact is placed in high-temperature vacuum equipment, after inert gas is purged and is extracted to high vacuum, temperature is raised to 900~1300 ℃, and after heat preservation, silicon nanowire is condensed in the condensation area of equipment;S3, the temperature of equipment is reduced to 200~400 ℃, after liquid polymer precursor is vaporized, it is brought into equipment by carrier gas, and polymer is deposited on the surface of silicon nanowire;S4, stop purging precursor, and the chamber of equipment is thoroughly cleaned with inert gas, and then temperature is raised to 700~900 ℃ and heat preservation, so that polymer is decomposed, carbonized into amorphous carbon, and after cooling, core-shell structure silicon carbon nanowire negative electrode material is obtained.The method is simple, suitable for mass production, and the specific capacity of the prepared negative electrode material is high, and the cycle life is long.

The invention discloses an anionic polymer and a preparation method thereof, and the preparation method comprises the following steps: (1) carrying out an anionic solution polymerization reaction on a polymeric monomer in the presence of a lithium initiator to obtain a polymer solution; (2) adding a terminating agent into the polymer solution for terminating, and then sequentially carrying out sedimentation and phase separation to obtain a terminated polymer solution; the terminator is a demulsifier aqueous solution; wherein the demulsifying agent is selected from at least one of a cationic demulsifying agent and a nonionic demulsifying agent; (3) washing the terminated polymer solution with water to obtain a washed polymer solution; and (4) optionally adding an anti-aging agent into the washed polymer solution, and then carrying out post-treatment to obtain the anionic polymer. According to the method disclosed by the invention, the emulsification degree of the glue solution is greatly reduced, the residual quantity of metal ions in the anionic polymer is low, the residual quantity of the terminator is low, and a liquid polymer product is good in light transmission.

A liquid polymer dosing and mixing chamber and pump having a hollow chamber, a blending reactor, a progressive cavity pump, a mixing cup, a submersible actuator, and an aging cup within the hollow chamber adapted to create doses, via the progressive cavity pump, of a first substance and to mix it with one or more substances introduced into the blending reactor via one or more inlets.

The present invention relates to a devolatilization apparatus for devolatilizing compositions containing volatile components, such as for devolatilizing solid or liquid polymer compositions containing unreacted monomers, solvents, and / or by-products, the devolatilization apparatus comprising a vessel having at least one inlet for the composition to be devolatilized, at least one outlet for the devolatilized composition, at least one outlet for gas, at least one heatable tray, and optionally at least one heatable distributor, the vessel comprising a hollow vessel having upper and lower plates, at least a section of the at least one heatable tray and / or the at least one heatable distributor arranged one on top of the other but spaced apart such that a void chamber is defined between the upper and lower plates. The vessel comprises a double-plate assembly, each plate having a plurality of openings, each opening of the upper plate being surrounded by a wall that extends through the void chamber to form a plurality of passages that are fluid-tightly separated from hollow spaces defined in the void chambers between the passages and that surround the openings of the lower plate, the hollow spaces being connected to an inlet and an outlet for the heating medium, the upper and lower plates of the hollow double-plate assembly being connected to each other at their sides via side walls that define the void chambers therebetween, and at least one heatable tray and / or at least one heatable distributor extending over 10 to 99% of the cross-sectional area of ​​the vessel and surrounded by a non-perforated weir.

The present invention provides a method for treating a polymer-containing material, comprising: providing a starting material comprising a polymer which is a polyester derived from an aliphatic polyalcohol having 2 to 15 carbon atoms and an aliphatic polycarboxylic acid having 2 to 15 carbon atoms, wherein the aliphatic polyalcohol comprises at least 70% by weight of a polyalcohol having at least three hydroxyl groups, and the aliphatic polycarboxylic acid comprises at least 70% by weight of a tricarboxylic acid, and the polyester has a degree of polymerization of at least 0.7, the degree of polymerization being the ratio of the number of reacted functional groups to the maximum number of reactive functional groups; In the depolymerization step, the starting material is contacted with a nucleophilic agent at a temperature of at least 80°C for not more than 24 hours to depolymerize the polymer, resulting in a polymer having a degree of polymerization that is reduced by at least 0.1 compared to the degree of polymerization of the polymer in the starting material and is in the range of 0.1 to 0.8, wherein the nucleophilic agent is at least one of water, a liquid polymer that is the polymerization product of an aliphatic polyalcohol having 2 to 15 carbon atoms and an aliphatic polycarboxylic acid having 2 to 15 carbon atoms, and a liquid monomer of the polymer. It has been found that the method according to the invention makes it possible to reduce the molecular weight of the polymer in an efficient and cost-effective manner, while providing a material that can be applied in various ways in industry.

A method of applying a fibrous material to a medical device component involves: connecting the medical device component with a holder device; rotating a reservoir device containing a liquid polymer solution to expel at least a portion of the liquid polymer solution from an orifice of the reservoir device, the expelled at least a portion of the liquid polymer solution forming one or more streams of fibrous material in a deposition plane; and rotating the holder device at least partially within the deposition plane to apply at least a first portion of the one or more streams of fibrous material to one or more surfaces of the medical device component to form a fibrous covering on the one or more surfaces of the medical device component.

The invention discloses an imbricated solar cell string. The shingled solar cell string has flexible joints made of a cured liquid polymer binder for connecting solar cells. A conductive interconnect passes through the flexible joint. The shingled solar cell string also has an interconnection reinforcement made of a cured liquid polymer binder for increasing the adhesion of the interconnects to the front surfaces of the solar cells.

The present invention relates to a process for production of water-absorbing textile composite materials comprising the use of a polymeric composite solution and a textile material (non-woven, woven and other). The textile material is impregnated with the composite polymeric solution, which after thermal treatment is cross-linked in situ. More particularly, the present invention relates to an absorbent textile composite article comprising textile fibers and a polymers network interpenetrating the textile fibers, the polymers network comprising natural polymer crosslinked to synthetic polymer in the absence of non-polymeric crosslinking agent. The textile composite article exhibits excellent absorbency of aqueous media such as food liquids, cosmetic liquids, pharmaceutical liquids or human body secretions.

A soft pneumatic pulsating method for milking at least one teat of a plurality of livestock and a soft pneumatic pulsating device thereof are developed. The pulsating device comprises at least one soft pneumatic pulsating teat cup comprises at least two soft actuators, at least one separator ring, at least one pneumatic system, a self-healing polymer hydrogel, and a semi-liquid polymer gel. The soft pneumatic pulsating device is used in the dairy, livestock, and veterinary industries which cause a better and more stable performance compared to the conventional vacuum milking machines.

Methods for the construction of new thermally insulated flat roofs with improved fire protection encompass the following steps: a) Provision of a flat roof structure with a vapor barrier, and b) Applying an intumescent roof sealant directly or indirectly to thermal insulation, wherein the intumescent roof sealant is based on liquid polymers and is used in liquid form with an intumescent additive; d) Erecting a framework with a photovoltaic system on the intumescent roof waterproofing, characterized in that the intumescent roof waterproofing (4) is applied in two layers in combination with a surface fabric as reinforcing fabric, wherein the first layer of the intumescent roof waterproofing (4) comprises less wt% expandable graphite or more wt% expandable graphite than the second layer of the intumescent roof waterproofing (4), in each case based on the total weight of the liquid plastic.

The application belongs to the technical field of zinc metal negative electrode, and discloses a plastic soft solid zinc powder composite negative electrode material and a preparation method and application thereof. The negative electrode material is composed of zinc powder, carbon and liquid polymer oligomer with a mass ratio of (6-8):(1-2):(1-3). The pre-composite of carbon and zinc powder is uniformly mixed with a polymer oligomer solution, and then the solvent in the mixture is removed. The obtained dry substance is kneaded into a group to obtain the plastic soft solid zinc powder composite negative electrode material. The material has excellent electrochemical performance and plasticity, can be processed into electrodes with different shapes, and shows good electrodeposition / peeling performance, cycle stability and coulomb efficiency, and can be used as a self-supporting zinc powder composite negative electrode. The method is simple, and the polymer oligomer matrix in the composite has moderate rheological property, which not only plays a bonding role, but also significantly improves the electrochemical performance and diversified processing performance of the zinc powder composite negative electrode.

A 3D printing system includes a tank containing a liquid photopolymer resin. A textured surface is disposed in the tank. The textured surface is configured such that light passes through therethrough and into the liquid polymer resin. A layer of an inert material is disposed on the textured surface.

The disclosure provides a recycle method of a polyester fabric, which includes the following steps. A decolorization treatment is performed on the polyester fabric to form a decolorized polyester fabric. The decolorized polyester fabric is mixed with a thickening material to form an initial feed. A liquid state polymerization is performed on the initial feed to form a liquid state polymer product. The liquid state polymer product is refluxed to be mixed with the initial feed to form an intermediate feed. The liquid state polymerization is performed on the intermediate feed to form a final polymer product.

Liquid-liquid polymer leuprolide acetate (LA) formulations comprising a biodegradable polymer and biocompatible solvent, and methods of using the formulations.

The application provides a diffraction optical waveguide and a preparation method thereof and an AR display device, wherein, on the basis of defining a coupling-in grating area pattern and a coupling-out grating area pattern by using a patterned hard mask layer, nano-imprinting is performed on a liquid polymer resist based on a grating imprinting template; the patterned polymer resist after imprinting and solidification and the patterned hard mask layer are used to etch the coupling-in grating area and the coupling-out grating area at one time, so that the integration of the coupling-in grating area and the coupling-out grating area is realized, the relative position accuracy of the coupling-in grating area and the coupling-out grating area is effectively ensured, and the display effect of the AR device is further improved. Meanwhile, the second pattern area of the grating imprinting template is provided with grooves with different depths, so that the coupling-out grating units with different depths in the coupling-out grating area can be realized by one-time etching, and the modulation efficiency of the diffraction optical waveguide is effectively improved.