38 results about "Liquid polymer" patented technology

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.

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 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.

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 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.

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.

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.

The invention discloses a movable mask device for preparing a layered wrinkle structure, a deposition method and the obtained wrinkle structure. The device comprises a chassis, a substrate mounting module, a mask movement assembly, a replaceable mask library and a control module. The mask motion assembly is composed of a plurality of linear motion driving modules and a plurality of rotary driving modules, and can realize programmable compound motion of the mask in translation and rotation directions; the mask library is detachably installed in the mask frame, and spatial selective control over the deposition area is achieved through adjustment and control over the motion trail and the retention time. According to the method, by selecting different mask patterns and setting a mask movement track and deposition time, metal is deposited on the surface of a flexible substrate to construct adjustable area thickness distribution; then, in the liquid polymer curing or substrate cooling process, due to the spatial gradient of the rigid layer thickness and the stress, non-uniform strain occurs on the interface, so that a layered wrinkle microstructure with directivity and hierarchy is spontaneously formed.

The present invention discloses a BIPV module with a surface that needs temporary protection using a liquid protection film, the core of which is to use a solvent-free liquid for forming the liquid protection film on a BIPV module, preferably by ultraviolet radiation or another possible method. That is, a heat-curable or room-temperature curable polymer is cured by a UV curing system. In the market, there are also curable liquid polymers, which will not be dissolved or expanded by water and whose adhesion to substrates is significantly lower than that of liquid-etchable photoresists, so the crosslinked polymers may be removed from coated surfaces after curing by mechanical peeling. These resists allow for their use as protective films for substrate surfaces such as the front glass of a SKALA module.

A method for producing carbonized or graphitized molding parts is particularly simple to implement and also allows producing complex molding parts without mechanical post-processing. This is achieved by the production of a pourable liquid polymer mixture which is as homogenized as possible, consisting of a carbon granulate, pitch, soot or graphite powder and polyacrylnitrile dissolved in a solvent, filling the liquid polymer mixture into a casting mold and immersing the filled casting mold in water over a predetermined period of time until the polymer mixture is sufficiently cured and dimensionally stable, and subsequent breaking of the casting mold and stabilizing the prefabricated cured molding part by uniform heating up in a furnace in air at a predefined temperature for stabilizing and degassing volatile constituents, and performing a high-temperature treatment for carbonizing or graphitizing the molding part in a furnace under protective gas.

The problem addressed by the present invention is to provide: a regenerated carbon black capable of maintaining the physical properties of a rubber composition even when reused in the rubber composition; and a mixture of regenerated carbon black and a liquid polymer. This problem is solved by: a regenerated carbon black obtained by decomposing a crosslinked rubber containing a diene rubber and carbon black, said regenerated carbon black being characterized in that the content of organic components remaining in the regenerated carbon black after toluene washing is 5 mass% or more; and a mixture of regenerated carbon black and a liquid polymer, the mixture being characterized in that the weight average molecular weight of the liquid polymer is 300,000 or less.

The invention relates to the technical field of polymer chemistry and coatings, and discloses a modified self-repairing super-hydrophobic antifouling coating material and a preparation method thereof.The preparation method comprises the steps that in a homogeneous mixture containing a net forming monomer system and a hydrophobic liquid polymer front system, phase separation is induced through in-situ polymerization; a solid porous network and a liquid hydrophobic layer physically imprisoned and chemically anchored by the network are synchronously constructed, and by constructing a dynamic liquid hydrophobic interface, the problem that the performance of a traditional solid coating is permanently degraded due to damage of a physical structure is avoided; the solid-state network and the liquid-state functional layer which are integrally constructed also respectively have intrinsic light stability and environmental ion response self-adaptive capability, so that the coating shows excellent comprehensive durability and long-acting antifouling performance under complex ocean working conditions.

The invention discloses a heat-conducting composite material synthesis method based on graded filler deposition and a composite material. The method comprises the following steps: selecting at least two high-thermal-conductivity factor components with different size distribution, and performing interfacial activator or surface layer functionalization treatment on the high-thermal-conductivity factor components; the method comprises the following steps: compounding high-thermal-conductivity factor components with different size distributions with a functional base-loaded liquid polymer according to a ratio, and mixing under a high shear stress condition to obtain each construction unit with required shear viscosity; depositing on a substrate supporting surface layer by layer according to a sequence from larger size distribution to smaller size distribution; applying an external guide and control field in each layered deposition process; adding a bridging wetting structure layer between any two continuous construction units; a micro-cavity structure body of a thermally driven releasable reactive component is mixed and packaged in the bridging wetting structure layer; and a curing process is applied to the deposition body for treatment, and the heat-conducting composite material with the graded heat-conducting channels is obtained.

A method of joining a base component with a polymer may include irradiating the base component with laser illumination, where one or more properties of the laser illumination is selected to induce surface structures on a surface of the base component that wick a polymer component into cavities of the surface structures. For solid polymers, the method may include heating a surface of the polymer component to create a molten layer, then joining the surface of the polymer component with the surface of the base component, where the molten layer wicks into the cavities to bond the components. For liquid polymer components including polymers or polymer precursors in a liquid state, the method may include joining the liquid polymer component with the surface of the base component, where the liquid polymer component wicks into the cavities, followed by curing or drying the polymer component to bond the components.

The invention belongs to the technical field of oilfield development, and relates to a high-polymer-yield treatment method and device for a flooding well and a storage medium. The method comprises the steps that the concentration of polymer in output liquid of the flooding well is obtained; determining the type of an output liquid polymer of the oil displacement well; determining the concentration of the polymer blocking material according to the stratum permeability; the polymer plugging radius of the oil displacement well is determined; calculating the polymer blocking dosage of the oil displacement well; and carrying out in-layer plugging and accumulation construction on the oil displacement well. According to the high-polymer-yield treatment method and device for the oil displacement well and the storage medium, the success rate of in-layer polymer plugging is greatly increased, and cost reduction and efficiency improvement of a chemical flooding technology in the oilfield development process are facilitated.

Composition comprising a multi-layered polymer and a (meth)acrylic polymer, its preparation process, and its use. The present invention relates to a composition comprising a multi-layered polymer, a (meth)acrylic polymer, and a monomer or prepolymer, its preparation process, and its use. In particular, the present invention relates to a process for preparing a composition comprising a multi-layered polymer in the form of polymeric particles, a (meth)acrylic polymer, and a monomer or prepolymer. More particularly, the present invention relates to a liquid polymer composition comprising a multi-layered polymer, a (meth)acrylic polymer, and a monomer or prepolymer, its preparation process, and its use, particularly as a masterbatch.

A liquid-liquid polymer leuprorelin acetate (LA) formulation comprising a biodegradable polymer and a biocompatible solvent, and methods of using the formulation.

This invention discloses a polymer viscosity testing device and method. The polymer viscosity testing device includes: a worktable, multiple testing components arranged side-by-side at intervals on the worktable, a rotary viscometer, and a moving component. The testing components include a testing container for storing liquid polymer disposed on the worktable and a placement cylinder disposed on the testing container. The rotary viscometer includes an upper main unit and at least one measuring rotor vertically slidably disposed within the placement cylinder. The upper main unit has a rotor connector suitable for being driven to rotate. The moving component includes a horizontal driving mechanism and a vertical driving mechanism. The vertical driving mechanism is connected to the upper main unit to drive the upper main unit to move in the vertical direction, thereby driving the rotor connector to engage with the measuring rotor, thereby driving the measuring rotor part to extend into the liquid polymer in the testing container to perform viscosity testing on the liquid polymer. By setting the measuring rotor, the limitation of needing to clean after each test is avoided.

Embodiments of this disclosure relate to a method for selectively depositing a metal after using a fluid polymer to protect a substrate surface within a feature. A first metal layer is deposited by physical vapor deposition (PVD). The semiconductor substrate surface is exposed to one or more monomers to form a fluid and flexible polymer film on the first metal layer within at least one feature. The fluid polymer film is formed on the first metal layer at the bottom. One or more monomers are selected from one or more difunctional amines, difunctional aldehydes, difunctional cyanates, difunctional ketones, and difunctional alcohols. At least a portion of the first metal layer is selectively removed from the top surface and at least one sidewall. The fluid polymer film is removed.