1432 results about "Thermoplastic polymer" patented technology

A shoe, a shoe production system and a method for producing a shoe including the steps: a. providing an upper assembly (2), wherein the upper assembly includes an upper (3) being mounted on a carrier (4), wherein the upper (3) includes a bottom section (5) being made from a thermoplastic polymer upper material; b. providing a sole molding unit (6), wherein the sole molding unit defines a cavity; c. inserting the upper assembly (2) at least partially into the cavity; introducing a midsole polymer composition comprising a molten thermoplastic polymer midsole material which has a melting temperature being equal or higher than the melting temperature of the thermoplastic polymer upper material into the cavity and foaming the molten thermoplastic polymer midsole material inside the cavity to provide a foamed midsole and to establish a material-bonded connection between the upper (3) and the foamed midsole (8).

Devices, assemblies, kits, systems and methods for shaping of elongated elements containing thermoplastic polymers are disclosed.

The present invention relates to the technical field of flexible electronics, and relates to a breathable and stretchable circuit capable of being activated by imprinting, and a preparation method therefor and a use thereof. The preparation method for the breathable and stretchable circuit capable of being activated by imprinting in the present invention comprises the following steps: dissolving a thermoplastic polymer in a solvent, adding liquid metal particles, and mixing and dispersing to obtain a mixed solution; carrying out electrospinning on the obtained mixed solution to prepare a nanofiber membrane; and using a stamping model having a circuit pattern to stamp the obtained nanofiber membrane so as to obtain the breathable and stretchable circuit capable of being activated by imprinting. The present invention ensures the breathability and the stretchability by using the nanofiber membrane. The liquid metal particles match fibers in diameter, and therefore, liquid metal in nanofibers can be overflowed by means of imprinting to form a conductive path, achieving high-precision preparation of circuits.

A glass fiber-reinforced thermoplastic polymer composition has a sheathed continuous multifilament strand including a core that extends in the longitudinal direction and a polymer sheath which intimately surrounds the core, wherein the core has an impregnated continuous multifilament strand having at least one continuous glass multifilament strand, wherein the at least one continuous glass multifilament strand is impregnated with an impregnating agent, the polymer sheath is a thermoplastic polymer composition including a thermoplastic polymer, wherein the thermoplastic polymer contains a polyester having a weight average molecular weight of 15,000 to 80,000 Daltons as measured by gel permeation chromatography (GPC) using polystyrene standard and as measured by differential scanning calorimetry with a heating rate of 20° C. / minute on first heating according to ASTM D3418-08, at least one crystalline melting point (Tm) of 200 to 290° C.

A connection system for reinforced thermoplastic polymer (RTP) pipe includes a first pipe with a first end and a reinforced thermoset resin (RTR) coupler positioned adjacent to the first end of the first pipe. The RTR coupler has an annular body with a first socket extension extending into the first end of the first pipe and a first thermoplastic tie layer provided between the first socket extension and the first end of the first pipe. A first set of wedges is positioned around an outer surface of the first end of the first pipe, and a first flange is fitted around the first set of wedges, wherein the first set of wedges is wedged between the first end and the first flange.

To provide a technique with which a thermoplastic polymer foamed particle itself is made identifiable, and a thermoplastic polymer foamed particle molded body is made identifiable without damaging its beautiful appearance by making it composed of identifiable thermoplastic polymer foamed particles.SOLUTION: Thermoplastic polymer foamed particles 100 exhibit a light emission reaction derived from a light-emitting rare-earth element 10 through irradiation with electromagnetic waves. A molded body thereof is formed through in-mold molding of the foamed particles and thereby exhibits a light emission reaction. An identification method therefor comprises: (i) a step for irradiating the surfaces of the foamed particles or the molded body with electromagnetic waves; and (ii) a step for detecting a light emission reaction derived from a light-emitting rare-earth element through electromagnetic wave irradiation by using a detection device, so as to obtain a light emission spectrum. A first identification method further comprises a step for observing contrast between the light emission spectrum and a blank spectrum in which the light emission reaction derived from the light-emitting rare-earth element is not exhibited. A second identification method further comprises a step for comparing the light emission spectrum with a preset standard light emission spectrum in which the light emission reaction derived from the light-emitting rare-earth element is exhibited.SELECTED DRAWING: Figure 1

The invention relates to a method (100) for manufacturing a photocatalytic multi-component fiber including the following steps:Supplying a support mixture (110), including at least one thermoplastic polymer;Supplying an active mixture (120), including:at least one organic polymer,at least one photocatalyst at a concentration of at least 10% by weight relative to the weight of active mixture,at least one coupling agent resistant to oxidation,Spinning (130) a multi-component fiber from support and active mixtures;Eliminating (160) the at least one organic polymer on the surface of the multi-component fiber so as to generate a photocatalytic multi-component fiber.The invention also relates to a multi-component fiber, a textile and a filter.

The invention discloses a conductive yarn and a preparation method thereof, relates to the technical field of functional textile materials and composite conductive fiber preparation, and can solve the problems that an existing conductive yarn is poor in flexibility, insufficient in durability, prone to oxidation failure and difficult to integrate multiple functional performances. The preparation method comprises the following steps that S1, PBO yarn is soaked in a dopamine solution, a PDA modification layer is formed on the surface of the PBO yarn through a polydopamine self-polymerization reaction, and the PDA modification layer provides a chelation site and a bonding interface for metal deposition; s2, the PDA modified PBO yarn obtained in the step S1 is subjected to chemical silver plating, silver is deposited on a PDA modified layer to form a continuous conductive layer, and conductive PBO core yarn is prepared; s3, carrying out melt blending and granulation on the low-dielectric-constant flame-retardant filler and thermoplastic polymer resin to prepare flame-retardant composite particles; and S4, spinning by taking the conductive PBO core yarn prepared in the step S2 as a core layer and a melt formed by melting the flame-retardant composite particles prepared in the step S3 as a skin layer to prepare the conductive yarn.

The invention relates to the field of composite fibers, in particular to a core-shell type gradient magnetic composite fiber and a spinning method thereof.The core-shell type gradient magnetic composite fiber comprises a magnetic core layer and a magnetic core layer which are sequentially compounded from inside to outside, and the magnetic core layer comprises a thermoplastic polymer matrix and first magnetic particles dispersed in the thermoplastic polymer matrix; the middle transition layer is formed by coating the magnetic core layer with an elastomer material, and second magnetic particles are dispersed in the middle transition layer; the outer functional layer is composed of an antibacterial skin-friendly polymer; wherein the weight percentage of the first magnetic particles is higher than that of the second magnetic particles, and a magnetic intensity gradient decreasing structure from the core layer to the outer layer is formed. By means of the innovative core-shell gradient structure design, the technical problem that the mechanical property of traditional magnetic fibers is sharply reduced under the high magnetic content is successfully solved.

Membranes are provided. A membrane comprises a cap layer, a core layer, and a substrate located between the cap layer and the core layer. The cap layer comprises a first cap sublayer and a second cap sublayer, with the second cap sublayer located between the first cap sublayer and the substrate. The first cap sublayer comprises a first thermoplastic polymer, and no greater than 10 parts of a first fire retardant per 100 parts of the first thermoplastic polymer. The second cap sublayer comprises a second thermoplastic polymer, and a second fire retardant, wherein an amount of the second fire retardant in the second cap sublayer is greater than an amount of the first fire retardant in the first cap sublayer. Related systems and methods are also provided.

The invention provides a preparation method and application of a dynamic covalent bond compatibilized thermoplastic blend, and relates to the technical field of high polymer materials, the method comprises the following steps: (1) carrying out melt blending on at least two incompatible or partially compatible thermoplastic polymer blends, a reaction reagent containing acid anhydride or carboxyl groups, an initiator and an auxiliary agent according to a mass ratio of 100: (0.5-12): (0.05-1.5): (0.5-12), carrying out reactive extrusion to obtain a grafted modified material; and (2) carrying out melt blending on the grafted modified material, a cross-linking agent containing an epoxy group or a hydroxyl group and a catalyst according to a mass ratio of 100: (1-20): (0.1-5), and carrying out reactive extrusion to form a dynamic covalent bond network so as to obtain the compatibilization blend. According to the invention, the compatibility and mechanical properties of the thermoplastic blend are improved, and the problems of high recovery cost, complex recovery technology, serious plastic pollution and the like of the waste thermoplastic plastic blend in real life are solved.

The invention provides a carbon nanotube modified high-thermal-conductivity and high-strength carbon fiber network body with gradient pore and hierarchical pore characteristics and a preparation method and application thereof, and belongs to the technical field of structure and function integrated composite materials. The preparation method comprises the following steps: blowing carbon fibers and hot-melt polymer fibers into a net through gas to obtain a two-dimensional fiber network body; laying the two-dimensional fiber network body according to the surface density gradient of'low-high-low ', and introducing fibers in the thickness direction for fixing to obtain a three-dimensional carbon fiber network body; sequentially carrying out carbon phase densification and graphitization treatment on the three-dimensional carbon fiber network body to obtain a high-thermal-conductivity three-dimensional carbon fiber network body; and dispersing the high-thermal-conductivity three-dimensional carbon fiber network body into the composite dispersion liquid, and sequentially performing freezing, vacuum drying and magnetic field-assisted induced carbonization to obtain the high-thermal-conductivity three-dimensional carbon fiber composite material. By reasonably designing the pore structure, the mechanical and thermal performance of the carbon fiber network body is improved, and the micro-area heat exchange efficiency of the phase change energy storage composite material is optimized.

The invention discloses a fused electrostatic spinning polymer / molecular sieve blended composite fiber as well as a preparation method and application thereof. The melt electrostatic spinning polymer / molecular sieve blended composite fiber is prepared from the following raw materials in parts by weight: 25-90 parts of a thermoplastic polymer matrix, 5-75 parts of a molecular sieve, 1-10 parts of a compatibilizer and 0-5 parts of a conductive additive. According to the polymer / molecular sieve blended composite fiber material and the preparation technology, no solvent participates in the whole process, and the green manufacturing requirement is met. Moreover, in the fiber material, the molecular sieves can be uniformly distributed on the superfine polymer fibers, scanning electron microscope pictures show that the molecular sieves are uniformly embedded into the material, no aggregate larger than 10 microns exists, and the fiber material has a hierarchical pore structure, a high specific surface area and excellent mechanical properties. Therefore, the fiber material can be applied to the fields of air filtration, catalytic reaction, drying purification, adsorption separation and the like.

A method of controlling or changing a bow or curvature in laminated glass structures includes heating a thermoplastic polymer of a laminated glass structure having an initial curvature. A force is utilized to change the curvature, and the laminated structure is cooled to harden the thermoplastic polymer, upon cooling, whereby the laminated glass structure has a curvature that is different than the initial curvature.

The present invention relates to a lid film for airtight sealing of beverage capsules, in particular coffee capsules, comprising excellent barrier properties against gas ingress, water or humidity and oxygen: i.) at least one layer of paper, ii.) at least one layer containing polylactic acid, iii.) at least one layer of metallization, iv.) at least one sealing layer containing at least one thermoplastic polymer made from glucose, lignin or cellulose.

This invention provides a multifunctional gradient composite filament for 3D printing, its preparation method, and its applications, relating to the field of additive manufacturing materials technology. The filament's cross-section includes at least two structurally or functionally distinguishable regions, each region composed of a thermoplastic polymer with different chemical properties, or a thermoplastic polymer matrix with the same chemical properties but different functional modifications. These at least two regions are arranged in an ordered spatial pattern on the filament's cross-section using a multi-component co-extrusion technique, enabling pre-design and integration of properties. This invention overcomes the inherent limitations of traditional single-material filaments, achieving multifunctionality and performance designability of a single filament. It significantly improves the interlayer bonding performance of multi-component 3D printing and the comprehensive mechanical properties of the printed composite material. Furthermore, it allows for the production of components with both functional gradients and high mechanical properties in a single printhead operation, making it suitable for mass production.

A horizontal support arm including a thermoplastic polymer defines a horizontal axis extending along the horizontal support arm. A track is formed in the horizontal support arm. The track extends along the horizontal axis. A first vertical support arm extends from the horizontal support arm. The first vertical support arm includes a front engagement protrusion. The first vertical support arm includes the thermoplastic polymer. A receiving orifice is defined in the horizontal support arm. A horizontal extension portion is slidably received in the receiving orifice by sliding horizontally along the track formed in the horizontal support arm. A second vertical support arm extends from the horizontal extension portion. The second vertical support arm includes a rear engagement protrusion. The second vertical support arm includes the thermoplastic polymer. A lug nut blocking plate extends from the first vertical support arm. The lug nut block plate includes the thermoplastic polymer.

A graphene neural electrode, a preparation method therefor, and use thereof. The preparation method comprises the following steps: (1) performing laser printing on a polyimide film according to a preset electrode pattern to obtain laser-induced graphene; (2) subjecting the laser-induced graphene to transfer printing to a water-soluble adhesive tape, then arranging a thermoplastic polymer thin film on one side of the laser-induced graphene away from the water-soluble adhesive tape, and then removing the water-soluble adhesive tape, so that the laser-induced graphene is subjected to transfer printing to the thermoplastic polymer thin film to obtain a first prefabricated product; (3) placing the first prefabricated product in a conductive polymer monomer solution for electrochemical polymerization, and forming a conductive polymer layer to obtain a second prefabricated product; and (4) arranging a thermoplastic polymer packaging layer on the conductive polymer layer of the second prefabricated product to obtain the graphene neural electrode. The graphene neural electrode prepared by using the method has excellent flexible characteristics and mechanical properties, high mechanical and electrochemical stability, and low electrochemical impedance, thereby achieving long-term stable signal monitoring in an organism.

Provided is a separator for an electricity storage device, the separator including a base material 10 that is a microporous polyolefin membrane containing polyolefin as a main component and a coating layer 20 disposed on at least one surface of the base material 10, wherein the coating layer 20 includes an inorganic filler 1 and a thermoplastic polymer, the thermoplastic polymer includes a particulate polymer 2 protruding from the surface of the inorganic filler portion 1, and a particle size distribution of the particulate polymer 2 has two or more particle diameters.

The invention relates to a nanocellulose-silicon-based hybrid material, preparation and application thereof and a thermoplastic polymer composite material. Comprising the following steps: combining nano SiO2 containing hydrophilic hydroxyl on the surface with hydroxyl on the surface of cellulose, then adding a silane coupling agent, reacting and hydrolyzing the silane coupling agent to obtain silanol, combining the silanol with hydroxyl on the surface of nano SiO2 particles and hydroxyl on the surface of nano cellulose, drying, dehydrating the silanol into siloxane, and grafting the siloxane on the surface of nano cellulose / SiO2, thereby obtaining the nano SiO2 / silanol composite material. Grinding to obtain a nanocellulose-silicon-based hybrid material, blending the obtained hybrid material with a thermoplastic polymer matrix, and preparing a corresponding product through a thermal forming process. The process is environment-friendly, the method is simple, the product is easy to form, operation and control are simple and convenient, and industrial production is facilitated; the prepared hybrid material has good stability, dispersibility and polymer matrix compatibility, and shows excellent mechanical properties and thermal properties when applied to thermoplastic polymers.

The invention relates to a bionic mist catching net material and a construction method and application thereof, and belongs to the field of air water collecting materials. The bionic mist catching net is a thermoplastic polymer fiber net, and radiation refrigeration particles are blended in fibers of the fiber net; and the part coated with the hydrophobic micro-nano coating and the part not coated with the hydrophobic micro-nano coating on the surface of the fiber net are alternately distributed. The radiation refrigeration particles are introduced into the bionic mist catching net material, and the hydrophobic coating is distributed on the surface of the bionic mist catching net material, so that the light reflectivity and the intermediate infrared emissivity are improved, and the radiation refrigeration efficiency is improved. Besides, the surface hydrophobic coating part forms a super-hydrophobic area, fog drops are promoted to be quickly coalesced into beads after collision, energy dissipation caused by spreading of a liquid film is reduced, the fiber substrate without the coating is kept hydrophilic, a heterogeneous wetting surface is formed, Laplace pressure difference is generated by surface energy difference at a hydrophilic-super-hydrophobic interface, and the super-hydrophobic surface is formed. The spontaneous migration of liquid drops from a super-hydrophobic region to a hydrophilic region is accelerated, and the water collection efficiency is remarkably improved.

A laminate (110) of polypropylene films (100), a luggage shell (120) constructed of the laminate (110), a method (200) of making the laminate (110), and a method (280) of making the luggage shell (120) are provided. The films (100) include a core (102) and at least one outer layer (104). The laminate (110) includes a plurality of films (100). The laminate (110) may be formed by laminating a plurality of films 100 under predetermined pressure, temperature, and time conditions. The shell (120) may be formed by deep drawing a sheet of laminate (110) while applying heat and tension to the laminate (110).

The disclosure describes a device, method, and transfer apparatus for stamping thermoplastic composite blanks. The blanks may consist of laminated fibrous plies which may comprise continuous fibers in a thermoplastic polymer matrix. Supporting unidirectional fibers or holding tapes, pre-impregnated with polymer and extending beyond a shaping area's edges may be clamped in jaws, allowing the blank to be suspended and heated without sagging. The transfer system moves the blank between a heating station and a stamping station, where a punch and die may shape it while maintaining calibrated tension to reduce defects such as creasing or delamination. Advanced jaw mechanisms, including pivoting jaws with multiple clamping slots, enable differential tensioning of plies for precise forming of complex geometries. After stamping, excess fiber extensions may be trimmed and may be recycled. This approach eliminates the need for nonrecyclable polyimide films and improves process reliability for thick or heavy blanks.

Composites materials comprising continuous fibers and a polymer matrix including a thermoplastic polymer and a high aspect ratio filler are disclosed. Multilayer assemblies comprising the inventive composite materials are characterised by reduces micro-cracking. The invention further relates to articles incorporating the thermoplastic composites material.

In one aspect, there is provided a composition comprising a waste particulate material and a biodegradable polymer; wherein the biodegradable polymer comprises a thermoplastic polymer; a weight portion of said biodegradable polymer within said composition is between 10 and 50%; and wherein said composition is flowable at a temperature between 100 and 220° C.. Furthermore, shaped articles derived from the composition and method of manufacturing thereof are also provided.

The present application provides a preparation method for a thermally expandable microsphere containing hydrophilic organic-modified colloidal silicon dioxide. In the preparation method, hydrophilic organic-modified colloidal silicon dioxide is mixed with a mixture of a monomer material capable of polymerizing to form a thermoplastic polymer shell and at least one foaming agent to form an emulsion, and the emulsion is polymerized to form the thermally expandable microsphere. Surface-modified colloidal silicon dioxide with hydrophilic organic group in the present application has good salt tolerance stability, can be stabilized in brine and is beneficial to the preparation of the thermally expandable microsphere; and the prepared microsphere has a narrow particle size distribution, can be easily dispersed in water and an organic system, and has good wettability. The application also relates to a thermally expandable microsphere and use thereof.

The invention relates to a thermoplastic molding composition (P) comprising: (A) thermoplastic polymer composition (A) comprising: (A-1) 10 to 50 wt.-% of graft copolymer (A-1), (A-2) 1 to 50 wt.-%, of thermoplastic polymer matrix (A-2) based on one or more vinylaromatic copolymers, (A-3) 20 to 50 wt.-%, of polymerized alkyl methacrylate component (A-3), and (A-4) 0 to 45 wt.-% of comonomer which is copolymerized with the at least one polymerized alkyl methacrylate component (A-3), where the sum of (A-1), (A-2), (A-3) and optional comonomers (A-4) is 83.2 to 99.8 wt.-%; (B) a hindered amine light stabilizer composition (B), comprising at least two of substances (B-1) to (B-3): (B-1) 0 to 0.9 wt.-%, of at least one hindered amine light stabilizer having a dipiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the dipiperidine structure (B-2) 0 to 0.9 wt.-%, of a hindered amine light stabilizer mixture having a monopiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the monopiperidine structure, and (B-3) 0 to 2 wt.-%, of at least one hindered amine light stabilizer having a polymeric structure comprising piperidine groups with at least one alkyl group at each of the 2 and 6 positions of the piperidine groups (C) 0 to 5 wt.-%, of one or more further additives (C), different from (B); and (D) 0 to 10 wt.-%, of colorants, dyes and / or pigments (D), different from (C); wherein the constituents (A) to (D) sum up to 100 wt.-% of the molding composition (P).

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a component present therein. Composite filaments suitable for additive manufacturing may comprise a continuous polymer phase of a first thermoplastic polymer and a second thermoplastic polymer that are immiscible with one another, and electrically conductive particles distributed in the continuous polymer phase, such as microparticles, nanoparticles, or any combination thereof. The first thermoplastic polymer is dissolvable or degradable and the second thermoplastic polymer is insoluble or non-degradable under specified conditions. Removal of the first thermoplastic polymer from a printed part may introduce porosity thereto, thereby inducing or enhancing piezoresistivity within the printed part. An aqueous mixture comprising the electrically conductive particles and the first and second thermoplastic polymers may have water removed therefrom, and the resulting composite residue may be extruded to form the composite filaments.

The invention belongs to the technical field of composite materials, and particularly relates to a composite wire, a 3D printed piece and a preparation method and application of the 3D printed piece. According to the invention, the short fiber felt and the thermoplastic polymer sheet are adopted, and the composite material with orientation in the fiber plane is successfully prepared through a laminating and hot-pressing compounding technology. And then, a composite wire with the fiber length direction basically the same as the wire length direction is further prepared through a heating, softening and rolling process. In the 3D printing process, the extrusion effect of the spray head and the optimized printing technology are utilized, the fibers are oriented again, and finally a 3D printed piece with the high fiber orientation degree and the excellent mechanical property is obtained. The preparation process of the 3D printed piece not only effectively exerts the original performance of the fiber, but also enables the 3D printed piece to show more excellent mechanical properties. In addition, the preparation process of the composite wire is simple, convenient and efficient, the requirement for equipment is low, and powerful support is provided for meeting application requirements in multiple fields.

The invention relates to the technical field of heat transfer printing ink, and discloses a heat transfer printing technology-based temperature-variable color formula which comprises the following components in percentage by mass: 30%-40% of a thermoplastic polymer carrier, 5%-10% of a temperature-sensitive color-variable pigment, 1%-3% of a dispersing agent, 5%-8% of a connecting material, 0%-5% of an ultraviolet light absorber and the balance of a solvent, the invention further discloses a printing technology of the temperature-variable color formula based on the heat transfer printing technology. The printing technology comprises the following steps that S1, the temperature-sensing color-variable ink is printed on transfer printing paper through digital printing equipment. By adopting the liquid crystal microcapsule pigment, the thermoplastic polymer carrier with narrow molecular weight distribution, the efficient dispersant and the improved preparation process, accurate color change, smooth transition and excellent aging resistance of the ink in a specific temperature range are realized, and meanwhile, the light stability, the storage stability and the definition of a printed pattern are improved; the method is suitable for multiple indoor and outdoor scenes, and meets the high-quality requirements of personalized customization of commodities.