245 results about "Polymer architecture" patented technology

An electronic device may have a display mounted in a housing. The display may have a display panel with an array of pixels on a flexible substrate. A display cover layer may overlap the display panel. The flexible substrate may have a protruding portion that forms a tail. When the display is mounted in the housing, the tail may be bent back on itself to create a bend. The bend may be embedded in molded polymer. The device may have structures that help prevent the display cover layer from being compressed inwardly towards the rear of the housing such as frame structures embedded in the molded polymer and / or housing sidewall structures. Optical components and optical waveguides may be embedded within the molded polymer. Mating chamfers on the display cover layer and housing may help seat the display cover layer in the housing.

A user support includes a hood structure that is supported by a back frame structure of the user support. The hood structure may comprise a one-piece homogeneous polymer structure that is formed by an additive process. The hood structure may include solid structures and at least one porous lattice matrix that is integrally formed with the solid structures.

The invention discloses a preparation method of a self-repairing layer coating liquid, and particularly relates to a preparation method of a self-repairing layer coating liquid with high elongation at break, which comprises the following steps: 1) synthesizing a polyurethane prepolymer solution A terminated by double isocyanate groups; (2) synthesizing a single-side double-bond end-capped polyurethane prepolymer; (3) synthesizing a bottle-brush-shaped polymer; and 4) preparing the self-repairing layer coating liquid with high elongation at break. Meanwhile, the invention also relates to a paint surface protective film. The invention solves the technical problem of providing a high-elongation-at-break self-repairing layer with rigidity and ductility and applying the high-elongation-at-break self-repairing layer to a paint surface protective film. According to the self-repairing layer coating liquid prepared through the method, polyurethane with the self-repairing performance serves as the basis, by introducing a bottle-brush-shaped polymer structure, the ductility of a self-repairing layer after curing is improved, the elongation at break of a coating is improved, it is predicted that the elongation at break can be increased from 100% to 300% or above, and then the problem of coating cracking is effectively avoided.

A composite separator comprises at least one base film layer and a self-healing functional layer laminated on a surface of the base film layer, wherein the self-healing functional layer contains a thermally cyclopolymerizable precursor material, and / or after the self-healing functional layer has self-healed, the precursor material forms a crosslinked polymer structure. The surface of the base film layer of the composite separator of the present application is provided with a self-healing functional layer, and the composite separator functions to isolate the positive electrode plate from the negative electrode plate and conduct lithium ions while blocking electrons when the secondary battery is under normal working conditions. When overheating or thermal runaway occurs inside the secondary battery, the precursor material in the self-healing functional layer undergoes a thermal polymerization reaction to generate a high-temperature-resistant and high-mechanical-strength crosslinked polymer.

The invention discloses a high-temperature-resistant environment-friendly drilling fluid filtrate reducer based on humic acid and sodium alginate and a preparation method of the high-temperature-resistant environment-friendly drilling fluid filtrate reducer, and belongs to the technical field of petroleum drilling engineering oil fields. On the premise that a sulfonic acid group is not introduced, humic acid and sodium alginate are selected as main raw materials of the filtrate reducer, and a stable polymer structure is constructed by grafting acrylamide and N-vinyl pyrrolidone 4-acryloylmorpholine, so that the filtrate loss control capability at high temperature is effectively improved, the filtrate reducer does not contain sulfonic acid groups, and the filtrate reducer is environment-friendly and pollution-free. The environment-friendly property and the degradability are excellent. Compared with the existing filtrate reducer, the filtrate reducer provided by the invention has obvious advantages in the aspects of raw material source, synthesis cost, thermal stability, environmental protection performance and the like, is particularly suitable for high-temperature and high-salt complex working conditions of a green drilling fluid system, and has good popularization and application prospects.

The application belongs to the technical field of polymer medicine synthesis, and particularly relates to a polymer for inducing tumor immunogenic cell death, a preparation method and application. The polymer for inducing tumor immunogenic cell death provided by the application has a structure as shown in formula I: in formula I, m is an integer of 110-120; n is an integer of 70-75; p is an integer of 21-79; and R is one of a tertiary amine group, a sulfide group and a tertiary amine sulfide group. The polymer provided by the application has pH responsiveness, can be self-assembled to obtain a polymer nanovesicle, can load drugs, can induce tumor immunogenic cell death (ICD) after application to form an in-situ tumor vaccine, can realize controllable release of a hydrophobic immunoadjuvant, can polarize tumor-associated macrophages (TAMs), and is suitable for tumor immunotherapy application.

A method, in accordance with one aspect of the present invention, includes, during performance of an additive manufacturing process that includes photocuring of a resin, monitoring light output generated by a fluorophore in the resin that exhibits aggregation-induced emission (AIE) behavior. The method also includes outputting an indication of an extent of photocuring based on the monitored light output. The method also includes adjusting in real time a parameter of the additive manufacturing process based on the output indication. A method, in accordance with another aspect of the present invention, includes analyzing at least one mechanical property of a polymeric structure formed by an additive manufacturing process based on light output generated by a fluorophore in the structure.

The invention discloses an ultra-microporous branched polyaryl piperidinyl anion exchange membrane material as well as a preparation method and application thereof, and relates to the field of anion exchange membrane materials for producing hydrogen by electrolyzing water. According to the ultra-microporous branched polyaryl piperidinyl anion exchange membrane material, a four-functionality branching agent with a structure shown in a formula I is introduced into a polymer structural unit of polyterphenyl piperidone, and a polyaryl piperidinyl compound with a four-branch norbornene bis-benzocyclobutane structure is formed. By adopting the technical scheme, the structural rigidity of a polymer skeleton is improved, the formation of a large number of ultra-microporous structures is promoted, the ionic conductivity of the membrane material is effectively improved, and meanwhile, the problem of relatively poor dimensional stability caused by excessive water absorption of the membrane material is solved; the prepared anion exchange membrane has a wide application prospect in the field of hydrogen production by water electrolysis.

This invention discloses a four-armed star-shaped polymer containing a polyoxyethylene structure, its preparation method, composition, and applications. The polymer is prepared by mixing an unsaturated organic carboxylic acid compound, an unsaturated sulfonic acid compound, and water, stirring to obtain a reaction solution, and continuously stirring and heating the reaction solution. An aqueous solution of a polyether macromonomer compound and the initiator aqueous solution are added to the heated reaction solution, followed by polymerization and purification. The polymer structure contains a large number of carboxyl groups, sulfonic acid groups, and ether groups, as well as abundant polyoxyethylene groups and alkyl chains, giving the polymer good water solubility and excellent chelating properties for metal ions. The polymer prepared by this method shows good effects in cleaning, defoaming, and scale inhibition. Furthermore, compositions formed by combining the polymer with other corrosion and scale inhibitors exhibit good compatibility and can be used for scale inhibition in high-hardness water.

The invention discloses a high-stability pyrene tetraketone quinone polymer negative electrode material as well as a preparation method and application thereof. The negative electrode material is prepared by taking pyrene-4, 5, 9, 10-tetraone and an aminoquinone compound as reaction monomers through condensation reaction in a solvent medium, and a stable polymer structure with an expanded pi conjugated skeleton and rich proton storage active sites can be formed; the material effectively improves proton storage capacity, charge transfer dynamic performance and structural stability in a long-term cycle process, shows outstanding electrochemical performance after being assembled into an organic water-based proton battery, effectively solves the defects that a traditional organic electrode material is easy to dissolve in a water-based system, limited in specific capacity and short in cycle life, and has a wide application prospect. The method has a good application prospect in the field of energy conversion such as large-scale electrochemical energy storage.

A dissolvable solid cleansing article that includes from about 5% to about 60%, by weight on a dry article basis, of a polymeric structurant, from about 13% to about 90%, by weight on a dry article basis, of a surfactant system comprising. The surfactant system includes from about 10% to about 54% by weight on dry article basis, of a taurate surfactant comprising an acyl taurate surfactant. The dissolvable solid article can be a dissolvable solid fibrous article and the polymeric structurant can be polyvinyl alcohols (PVOH).

The invention relates to the technical field of high polymer materials, and discloses a stabilizer-containing high-temperature-resistant chlorinated polyvinyl chloride and a preparation method thereof.The chlorinated polyvinyl chloride is prepared by taking chlorinated polyvinyl chloride, polyvinyl chloride, a calcium-zinc stabilizer and a high-temperature-resistant stabilizer as raw materials through mixing and extrusion processes, wherein the high-temperature-resistant stabilizer is basalt fiber of a macromolecular polymer of which the surface is modified with benzophenanthrene and sulfydryl functional groups, and in the subsequent melt extrusion process, the macromolecular polymer can interact with chlorinated polyvinyl chloride and polyvinyl chloride, so that the interface problem between the basalt fiber and a base material is properly solved; and the macromolecular polymer structure contains a rigid triphenylene ring, so that the rigidity and the stability of a molecular chain network can be improved, and the high-temperature resistance of the material is effectively improved.

Disclosed is a dissolvable solid article comprising: (a) from about 5% to about 60%, by weight on a dry article basis, of a polymeric structurant; (b) from about 5% to about 90%, by weight on a dry article basis, of a surfactant system; (c) from about 0.1% to about 25%, by weight on a dry article basis, of a liquid material having ClogP of from about 0 to about 5 such as triethyl citrate. The dissolvable solid article disclosed herein can: incorporate skin care additives without deteriorating properties of the articles, wherein such properties are, for example, dissolution property; and / or improve bonding between piles and / or fibrous elements, when the article is layered and comprises at least 2 plies and / or when the article is a fibrous article comprising a plurality of fibrous elements.

In a method for producing a mineralised polymer component, a support structure (1) made of a polymer-based material is formed on the basis of an image data set, wherein the support structure (1) has at least one first region (5), in which the polymer-based material is formed, and at least one second region (2), which is designed as a hollow structure. Subsequently, at least one inorganic mineral phase is formed on the surface of the support structure (1) and / or within the first region (5) and / or on at least one inner surface of the first region (5).

This platform integrates machine learning models with traditional mathematical optimization to efficiently solve complex, multi-objective problems in polymer discovery. Machine learning models, such as neural networks, generate initial polymer structures by modeling complex, non-linear relationships between various molecular properties. These initial structures are then refined through mathematical optimization techniques to ensure they meet specific constraints and performance criteria related to the desired molecular properties. This hybrid approach accelerates polymer development across various applications, including drug delivery, sustainable materials, and advanced technologies, offering tailored solutions that optimize performance, environmental sustainability, and efficiency.

This invention relates to an equivalent accelerated testing method for plexiglass based on creep constitutive equations, belonging to the technical field of accelerated testing of polymer structures. Addressing the testing requirements for the creep performance of plexiglass structures, this invention shortens the testing cycle and saves testing costs through the design of testing temperature and pressure. Simultaneously, the reduced testing time indirectly saves manpower and material resources, and also reduces the frequency of random risks such as power outages and equipment failures. Therefore, the testing method of this invention has significant timeliness and economic efficiency, and can effectively improve the accuracy of quantitative analysis, possessing important value for engineering practice.

The application relates to the field of photoelectric technology, and discloses a conjugated polymer thin film and a preparation method and application thereof. In the presence of a first solvent and a first catalyst, ternary copolymerization is carried out on (4,8-bis(5-(2-ethylhexyl)-4-fluorothiophenyl)benzo[1,2-b:4,5-b']dithiophenyl)bis(trimethyl tin), 1,3-bis(5-bromothiophene-2-yl)-5,7-bis(2-ethylhexyl)benzo[1,2-c:4,5-c']dithiophene-4,8-dione and a monomer shown in formula I, so as to obtain a ternary conjugated polymer; the obtained ternary conjugated polymer, a second solvent, a crosslinking agent and a second catalyst are blended to form a film, and annealing is carried out to obtain the conjugated polymer thin film. The conjugated polymer thin film can be used as a light absorption layer to prepare an organic electronic device. The conjugated polymer thin film obtained by the method has significantly improved mechanical performance on the basis of ensuring photoelectric performance; the in-situ crosslinking strategy is adopted, solution processing performance is ensured, the operation is simple, the controllability of the polymer structure is high, and batch repeatability is high.

The application discloses a tannin acid-based epoxy resin and anticorrosive paint and relates to the technical field of paint. The tannin acid and the epoxy resin are combined through chemical reaction to generate a novel tannin acid-based epoxy resin. The tannin acid-based epoxy resin retains the function of generating chelate with iron rust, meanwhile, multiple epoxy structures in the structure generate thermosetting high-density crosslinked polymer structures after curing with a curing agent, the compactness of the paint film is greatly improved, the further corrosion of the corrosion medium is hindered, and the long-term effectiveness of the low-surface-treatment anticorrosive paint is ensured. Experimental results show that the adhesion of the tannin acid-based epoxy resin to the anticorrosive paint and the base material exceeds 13 MPa, and the neutral salt spray test reaches 4500 hours.

A liquid crystal device (400) is provided comprising: a liquid crystal layer having a thickness and comprising: a liquid crystal material; and a plurality of polymer structures (414a, 414b) comprising polymerised liquid crystal material. Each polymer structure (414a, 414b) is located at a different depth in the thickness of the liquid crystal layer. Electrodes are provided configured to apply an electric field to the liquid crystal layer. Each polymer structure (414a, 414b) has a different selected locked-in liquid crystal state.

The present disclosure provides a composite material housing for a battery pack for reducing or minimizing thermal runaway propagation. The composite material housing includes a polymeric structure defining an interior-facing surface and an exterior-facing surface. The polymeric structure includes a fire resistant material layer and a reinforcing material layer, where the fire resistant material layer defines an interior-facing surface, and the reinforcing material layer defines the exterior-facing surface. The composite material further includes a metallic layer disposed along the exterior-facing surface, where in a first operational mode the metallic layer contacts the exterior-facing surface and in a second operational mode, after exposure to a thermal load of greater than or equal to about 500° C., the metallic layer at least partially delaminates from the exterior-facing surface and forms one or more insulating air gaps that define a thermal barrier.

The application discloses a bisphenol A type haloketone monomer, a polyaryletherketone resin and a preparation method and application thereof. The polyaryletherketone resin is a linear polymer composed of structural unit 1 or a polymer linearly and randomly arranged by structural unit 1 and structural unit 2: -R1-A-, structural unit 1; -R2-A-, structural unit 2; wherein A is 1'4-benzenedioxy, 1'3-benzenedioxy or 4'4-biphenyldioxy. The polyaryletherketone resin prepared by using the bisphenol A type haloketone monomer has better mechanical properties, and also has better thermal stability and crystallinity.

To provide an additive excellent in the effect of improving the pumpability and laminatability of a hydraulic composition for lamination shaping.SOLUTION: There is provided a two-component additive comprising a first additive and a second additive in a separated state, in which the first additive comprises a polymer having the following structural unit (I) and structural unit (II). (In the structural unit (I), X1 is C=O or (CH2)p [p is an integer of 0 to 5], R4O is a 2C to 8C oxyalkylene group, n is an average addition mole number of the oxyalkylene group and is a number from 2 to 100, R5 is hydrogen or a 1C to 8C hydrocarbon group, and the remaining R1 to R3 are identical to or different from each other and represent hydrogen or a 1C to 8C hydrocarbon group. In the structural unit (II), R6 to R8 are identical to or different from each other and represent hydrogen atoms, methyl groups, or COOM2, M1 and M2 represent hydrogen atoms or cationic species, and the second additive is one or more post-additives selected from the group consisting of an accelerator and a thickener.SELECTED DRAWING: None

The invention discloses a guanidyl zinc / aluminum complex as well as a preparation method and application thereof, and relates to the technical field of polymerization catalysts. The guanidyl zinc / aluminum complex prepared by the invention has a single catalytic activity center, and accurate control on the structure and molecular weight of a polymer can be realized by regulating and controlling a ligand structure, metal types and polymerization conditions. The catalyst has the remarkable advantages of low toxicity, low cost, simplicity in synthesis, high catalytic activity, stable performance and the like, and is suitable for lactone ring-opening polymerization reaction. Under the protection of inert gas, the polycaprolactone has excellent activity when catalyzing polymerization of lactide, caprolactone and other lactone monomers, the molecular weight of the obtained polycaprolactone is up to 219.2 kg / mol, and an effective way is provided for preparation of high-molecular-weight polyester. In addition, the catalyst can still keep high activity and stability under simulated industrial conditions, and has wide industrial application prospects.

To provide a composition capable of providing an adhesive layer having excellent adhesive strength, an adhesive composition, an adhesive obtained by curing the adhesive composition and an adhesive sheet containing the adhesive.SOLUTION: There is provided a composition comprising a graft copolymer (A) having a main chain polymer structure and a side chain polymer structure, wherein the graft copolymer (A) comprises a structural unit derived from a monomer (a) which generates active species by excitation and forms a crosslinked structure, comprises a structural unit derived from at least one selected from a straight-chain alkyl (meth)acrylate (b-1) or a branched alkyl (meth)acrylate (b-2) as the structural unit of the main chain polymer structure and comprises 0.1 mass% or more of a structural unit derived from the branched alkyl (meth)acrylate (b-2) based on 100 mass% of the side chain polymer structure as the structural unit of the side chain polymer structure.SELECTED DRAWING: None

Disclosed is a method for the enhancement of the transduction of a target cells by a viral vector using a cationic block-copolymer introduced as an additive alone or formulated with nanoparticles. The method includes a step of contacting a target cells with viruses and a cationic block co-polymer. The structure of this additive incorporates both hydrophilic and hydrophobic regions which represents different areas in the backbone of the polymer. This polymeric construction is ended by cationic chemical functions which contribute to further enhance the viral transduction. Also disclosed are new cationic poloxamers that can be used in the disclosed method. Furthermore, another embodiment is the colloidal stabilization of iron-based nanoparticles using these polymers and their use in increasing transduction efficiency.

The application relates to the field of organic materials, and provides an organic compound, a polymer, ink and an electronic device. The organic compound has a structure as shown in formula 1. The organic compound is a low-molecular-weight cross-linkable compound. In the preparation of a light-emitting device, cross-linking groups on the molecules of the compound can be cross-linked in situ, so that a network polymer structure resistant to solvents is formed.

An exemplary holographic metasurface lithography system and method that project a hologram having two or more different wavelengths of light onto a hybrid resin to simultaneously or concurrently cure / form both (i) a first material structure, e.g., a metal structure and (ii) a second material structure, e.g., a polymer structure, from the hybrid resin in the same three-dimensional space. The hologram is generated by a metasurface mask that encodes spatial information for both the metal structure and the polymer structure, and the resin has both (i) UV-sensitive metal precursors to form the metal structure and (ii) monomers, crosslinkers, wavelength-selective photosystems to form the polymer structure.

Aspects of the present disclosure include methods for making a polymeric structure having a micro-void space. Methods according to certain embodiments include irradiating a polymerizable composition positioned between a build elevator and a build surface to generate a polymerizable composition having a polymerized region of the polymerizable composition having a micro-void space in contact with the build elevator and a non-polymerized region of the polymerizable composition in contact with the build surface, displacing the build elevator away from the build surface, contacting the generated micro-void space with a non-reactive composition and repeating in a manner sufficient to generate a polymeric structure having a resolved micro-void space. Systems for preparing a polymeric structure according to the subject methods are also described. Polymeric structures having a resolved micro-void space such as where the micro-void space is filled with a non-polymerizable composition are also provided.

The application provides a preparation method of a biodegradable polybutylene succinate and polybutylene adipate block copolymer, in which succinic acid and adipic acid are respectively esterified and pre-polycondensed to prepare a prepolymer, the prepolymer is respectively polycondensed under high vacuum conditions, and then co-polycondensation is carried out. The method solves the problems of random distribution of polymer structure, many by-products, poor thermal performance, low molecular weight and the like in the prior art, the preparation method can make the polymer have a block structure, significantly reduce the generation of side reactions and the yield of by-products, improve the thermal performance and mechanical performance of the polymer, and a block polymer with excellent performance and high molecular weight is obtained.

The present disclosure pertains to recyclable multilayered polymeric structures comprising a number N of layers. Said recyclable multilayered polymeric structures comprise an outer surface layer N1, an inner surface layer N2, and optionally one or more layers between N1 and N2. Said recyclable multilayered polymeric structures comprise at least two different layers. The outer surface layer N1 is a barrier layer comprising a first polymer P1, P1 is polyethylene-based polymer with an ethylene content of at least about 50 mol% functionalized with polar groups and having an oxygen transmission rate (OTR) below 30 cc•20µm / m2•atm•day; a melting temperature above 160°C; a moisture resistance characterized by a water vapor transmission rate (WVTR) of less than 2 g•mm / m2•atm•day; and a density below 1.10 g / cm3. Said recyclable multilayered polymeric structures are for use in packaging applications, such as food packaging, building liners, geomembranes, pipes or containers for liquids.