96 results about "Plastic polymer" patented technology

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.

The invention relates to a process for preforming a composite material (I) in the form of a plate comprising reinforcing fibers bonded together, in particular by a plastic polymer material. In particular, such a process comprises an intermediate forming phase (b) comprising at least the following operations:introducing gas (III) into the second chamber (4), while maintaining the pressure P2 of the second chamber (4) below the external pressure Pext, and in particular atmospheric pressure, when the external pressure Pext is equal to atmospheric pressure, and thereby locally maintaining the upper diaphragm (2) at a distance from the lower diaphragm (1), and while maintaining, at the contact zone (5), both the alignment and the contact between the composite material (I) and the two diaphragms (1 and 2),evacuating gas (III) contained in the first chamber (3), so as to press the lower diaphragm (1) over the entire forming surface (22) present at the bottom (21) of the mold (20).The invention also relates to a device adapted to the implementation of such a process.

A process for separating fillers from catalysts and gases in plastics in a fluidized bed catalytic pyrolysis process is described that converts waste plastics, polymers, and other waste materials to useful chemicals and fuel products, such as aromatics such as paraffins, olefins, and BTX.

The present invention discloses a portable snack placemat designed to be easily foldable and easy to stow. The portable snack placemat comprises a placemat portion with a lip, molded snack containers with matching lids, and a locking device. The placemat portion further comprises two indentions which allow the snack placemat to fold upon itself while maintaining a narrow base so that the snack placemat can stand upright when in the folded position. The snack placemat further comprises an attachment piece. When the placemat portion is folded along the two indentions, the attachment piece creates a locking mechanism. The snack placemat is now in the folded position and can easily fit in any diaper bag, cooler, or backpack due to its compact and flat size. The portable snack placemat may be made of silicone or another similar synthetic rubber or synthetic plastic polymer with analogous qualities.

A solvent-based plastic recycling method that removes color and produces plastic polymers substantially free of exogenous colorants. The method comprises selecting a solvent that selectively dissolves an individual polymer and has low solubility of colorants and decomposition products of the colorants. A combined precipitator and piston device is used to precipitate the polymer solution and mechanically remove the solvent from the precipitate before thermal drying. An adsorption bed is used to clean the recovered solvent as it is recycled to the process.

The present invention relates to a method for preforming a composite material (I) into a plate shape, the composite material comprising reinforcing fibers bonded together, particularly by means of a plastic polymer material. Specifically, the method includes an intermediate molding stage (b) comprising at least the following operations: - introducing gas (III) into a second chamber (4) while the external pressure Pext equals atmospheric pressure, simultaneously maintaining the pressure P2 in the second chamber (4) below the external pressure Pext and, in particular, atmospheric pressure, and thus locally maintaining a distance between the upper membrane (2) and the lower membrane (1), and simultaneously maintaining the positioning and contact between the composite material (I) and the two membranes (1 and 2) in the contact area (5); - evacuating gas (III) contained in the first chamber (3) to press the lower membrane (1) onto the entire molding surface (22) present at the bottom (21) of the mold (20). The invention also relates to an apparatus suitable for carrying out this method.

The utility model relates to the technical field of plastic polymer master batch forming equipment, in particular to a cooling device with a quick drainage structure for master batch production, which is characterized in that a recovery tank is inserted and fixed on a bottom plate of a cooling tank, an inner cavity of the recovery tank is communicated with an inner cavity of the cooling tank, a water stop plate is arranged in the cooling tank and is erected above the recovery tank, and the water stop plate is arranged in the cooling tank. The side edge of the water stop plate movably abuts against the inner side wall of the cooling tank, the filter box is fixedly arranged on the lower side wall of the cooling tank, the connecting pipe is fixed to the lower end of the side wall of the recycling tank in a penetrating mode, the outlet end of the connecting pipe is fixed to an end plate of the filter box in an inserted mode, and the water pump is fixedly arranged on a lower side plate of the cooling tank. The water pump is respectively connected with the cooling tank and the filter box; by arranging the recycling structure close to the cooling tank in length, the corresponding opening and closing drainage structure and the corresponding filtering and recycling structure, the drainage speed of the cooling tank is increased by enlarging the opening structure.

A process for producing a porous hybrid material based on plastics polymer is provided including the steps of: converting a plastics polymer or a mixture of different plastics polymers into a solution by addition of a solvent or a solvent mixture of at least two solvents; admixing one or more different functional materials; precipitating the hybrid material including the plastics polymer or the mixture having different plastics polymers and the functional material or two or more different functional materials by addition to a liquid and / or gaseous precipitant. A porous hybrid material and to the use thereof are also provided.

The present invention provides for a method for depolymerizing a mixture of plastics, said method comprising: (a) providing a composition comprising a synthetic plastic polymer; (b) introducing an amine solvent compound to the composition to form a polymer-amine solvent composition, and (c) incubating the polymer-amine solvent composition for a period of time to produce a depolymerized composition such that at least a portions of the synthetic plastic polymer is depolymerized into monomers.

Polymers, and especially recycled PET, can be marked to identify origin or other information by adding one or more marker compounds that each: 1. consists essentially of alkyl moieties, aryl moieties and / or ether moieties; and 2. contains at least 3 aromatic rings; and 3. is chemically and thermally stable in contact with the thermoplastic polymer at 280℃ for 30 minutes; and 4. has a boiling point of at least 250℃.

A reusable modular structural member that may replace wooden structures used in concrete forming, transportation, marine, and construction applications. The reusable modular structural member includes a structural profile with first and second sides; a plurality of support beams extending from the first to the second side; at least two fasteners, one at a first end and another at a second end of each of the plurality of ribs; and a groove on a first edge and a tongue on a second edge that are configured to form a dovetail joint that can attach two reusable modular structural members of similar configuration. A reusable modular member can include the modular structural profile and interfacial layers covering the first and second sides. The reusable modular member may be made by extruding the structural profile and molding a plastic polymer to external portions of the structural profile to form the interfacial layers.

A bioplastic polymer or composition or article including the same are described herein. The bioplastic polymer or composition includes at least one polycaprolactone (PCL) and at least one bioplastic. The bioplastic polymer or composition described herein has increased / enhanced degradation / biodegradation characteristics, such as marine degradation / biodegradation characteristics (e.g., aerobic biodegradation and / or bio-disintegration in seawater), relative to the at least one bioplastic alone. A method of making a bioplastic polymer or composition is further described herein. The method includes admixing or mixing at least one PCL and at least one bioplastic to prepare a PCL-bioplastic blend or mixture; and blending the PCL-bioplastic blend or mixture to produce the bioplastic polymer or composition.

The present disclosure relates to the production of biomass from at least one plastic polymer. More specifically, the present disclosure relates to use of a feed for production of biomass, wherein larvae of the family Pyralidae or of the family Tenebrionidae are fed on a feed comprising at least one plastic polymer, a related use of increasing pupation in a population of larva.

The Binary Transmitter and Receiver is a circuit for Binary information to travel through Air without wires from the end out FIG. 4 without wires.The transmitter circuit and Receiver is powered by FIG. 2 (volt, current, amp), FIG. 1 (capacitance), and resistance with its information of 0 or 1 in a series or parallel circuit or both.It was tested in wood (a box). To be housed in plastic (a polymer), tin, copper, metal or Metal alloy. To function with keys from 0-9 key punch, A-Z and special character's key punch, and other inputs and outputsThat uses switches, nor-gates, and-gate, diodes, resistors and capacitors FIGS. 1A and 1B for a functional transmitter and a functional receiver.Mini technology is required in models for mobile traveling with Lithium batteries or non-Lithium batteries for its power source.

The application provides a method for preparing modified calcium carbonate from phosphogypsum and application thereof, and the preparation method comprises the following steps: S1, uniformly mixing phosphogypsum, POF (Porous Organic Frameworks) material and water to prepare a slurry; S2, adding ammonia water into the slurry, and controlling the sulfur-nitrogen ratio to be 40-50%; S3, introducing carbon dioxide gas into the slurry of S2 to react, and after the reaction is completed, filtering and washing are performed, and the filter residue is dried to obtain POF material modified calcium carbonate. The method uses phosphogypsum as raw material, modifies the calcium carbonate in the preparation process of the calcium carbonate, and uses the modified calcium carbonate for plastic products, so that the compatibility problem of the calcium carbonate and plastic polymers can be solved, the strength and toughness of the plastic products are significantly improved, the cost is low, the process is simple, and the method is also helpful for resource utilization of the phosphogypsum.

The utility model discloses an automatic feeder for plastic polymer products, which relates to the technical field of plastic processing and comprises a bottom support and a bottom support, and a top support is fixedly mounted at the top of the bottom support. And the grabbing assemblies are installed on the inner walls of the two sides of the top support and used for grabbing and transporting the plastic particle packaging bags. Compared with the prior art, through cooperation of the grabbing assembly and the bag opening assembly, plastic particle packaging bags are opened in the moving process, pouring of plastic particles is completed, meanwhile, the packaging bags and the plastic particles can be separated, the empty packaging bags are carried away, the bag opening work of workers is reduced, the labor intensity of workers is reduced, and the working efficiency is improved. According to the plastic particle feeding device, the feeding speed of plastic particles is increased, the side faces of passing plastic particle packaging bags are beaten through the arrangement assembly, it is guaranteed that the plastic particles cannot be retained in the empty packaging bags, and waste of raw materials is reduced.

This invention relates to engineered plastic-degrading enzymes with improved functional features. In particular, modified PETases capable of hydrolysis of PET or polyethelene terephthalate plastic polymer are disclosed herein. These engineered PETases contain one or more amino acid modifications at specified residue or residues, for example, N233, and exhibit improved enzymatic activity as well as therrnostability.

A protective cap to cover impalement hazards, by means of increasing the surface area associated with said hazard may include utilizing a metal plate embedded within a plastic / polymer cap, with a flat top and a receiving shaft housing below, with mechanical means of securing the cap to said hazard with a mechanical plunger. The mechanical plunger is driven from the exterior of the housing by means of a biasing element to selectively engage the impalement hazard and compressively hold the protective cap to the impalement hazard.

The present invention belongs to the field of plastic / polymer recovery and relates to a process for converting, for example, an end-use / waste PET polymer, a very common polyester, into a commonly used pure monomeric compound, such as BHET, which can be reused in the production of "original" PET, i.e. PET having a similar or the same quality as unrecovered PET. In addition, the invention can also be used to recover BHET and textiles (e.g., cotton) from PET / textile blends.

A reusable modular structural member that may replace wooden structures used in concrete forming, transportation, marine, and construction applications. The reusable modular structural member includes a structural profile with first and second sides; a plurality of support beams extending from the first to the second side; at least two fasteners, one at a first end and another at a second end of each of the plurality of ribs; and a groove on a first edge and a tongue on a second edge that are configured to form a dovetail joint that can attach two reusable modular structural members of similar configuration. A reusable modular member can include the modular structural profile and interfacial layers covering the first and second sides. The reusable modular member may be made by extruding the structural profile and molding a plastic polymer to external portions of the structural profile to form the interfacial layers.

Systems and methods of the inventive subject matter are directed to components that are used to form lengths of conduit. Such a system can include a male component and a female component, where the male component has a male conical tapered surface on a threaded end and the female component comprises a female conical tapered surface on a threaded end. A B nut can be slid over the male component so a sleeve can be screwed onto the threaded end of the male component, and the B nut can then screw onto the threaded end of the female component, thereby pulling on the sleeve to bring the male component and the female component toward each other. Systems of the inventive subject matter are made from non-metal materials such as machinable ceramics, plastics, polymers, and the like.

The invention discloses a high-strength masterbatch of plastic pipe and a preparation method thereof, belonging to the technical field of polymer materials, including 15-20 parts of polyolefin elastomer, 65-70 parts of flame retardant, 15-20 parts of dispersant, and 1-3 parts of compatibilizer; the flame retardant is prepared by the following steps: 3-hydroxybutyric acid is added dropwise to 2-methyl-2,5-dioxy-1,2-oxaphospholane, and the reaction is stirred to obtain carboxyl phosphate; carboxyl phosphate is added to a magnesium chloride solution while stirring, heat-activated diatomaceous earth is added, and the dispersion is stirred and dispersed to obtain a dispersion liquid; the dispersion liquid is adjusted to be alkaline to obtain a flame retardant. The flame retardant has good toughening and flame retardant effects. In plastic masterbatch and in application, the internal structure of plastic polymer material is too regular, which is not conducive to the dispersion of flame retardant, and the short chain in the carboxyl phosphate structure in the flame retardant can play the role of connecting molecules, so that the toughness of the material is enhanced, so that the performance of the material blending system is improved.

A spacer for insulated glazings includes a polymeric main body including two pane contact surfaces, a glazing interior surface, an outer surface, and a cavity, wherein the polymeric main body contains a thermoplastic polymer as a base material at a proportion of 30 wt.-% to 70 wt.-%, as an elastomeric additive, a thermoplastic elastomer, and / or a thermoplastic terpolymer having an elastomeric component at a proportion of 0.5 wt.-% to 20 wt.-% in total, and a reinforcing agent at a proportion of 20 wt.-% to 45 wt.-%, the thermoplastic polymer as a base material includes a styrene-based polymer, and the polymeric main body has a foamed pore structure.

The invention discloses a novel full-bio-based degradable plastic polymer material and a preparation method thereof, and belongs to the technical field of degradable plastic products. According to the material, through the synergistic effect of the high-proportion bamboo powder and the degradable plastic, the target material is expected to have excellent mechanical properties such as light weight and high impact strength, meanwhile, complete biodegradation is achieved, and a new technical path is provided for solving the problem of dependence of plastic pollution and fossil resources. The mechanical property of the full-bio-based degradable novel plastic polymer is remarkably optimized, and light weight and high toughness are both considered. Wherein 65-75% of high-proportion bamboo powder is used for filling, so that the impact strength and fracture resistance of the material are effectively improved through interface combination with a degradable plastic body while the density of the material is reduced, the problems of high brittleness and weak impact resistance of biodegradable materials such as degradable plastics are solved, and the requirements of the fields of packaging, daily necessities and the like on light weight and impact resistance are met.

A solvent-based plastic recycling method that removes color and produces plastic polymers substantially free of exogenous colorants. The method comprises selecting a solvent that selectively dissolves an individual polymer and has low solubility of colorants and decomposition products of the colorants. A combined precipitator and piston device is used to precipitate the polymer solution and mechanically remove the solvent from the precipitate before thermal drying. An adsorption bed is used to clean the recovered solvent as it is recycled to the process.

Disclosed herein is a method for producing a shoe comprising the steps: a. providing an upper assembly (2), wherein the upper assembly comprises an upper (3) being mounted on a carrier (4), wherein the upper (3) comprises 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). Furthermore, a shoe and a show production system is disclosed.

The utility model discloses a regenerated plastic polymer thermal washing additive liquid premixing device, which belongs to the technical field of liquid premixing and comprises a reaction kettle, supporting plates are symmetrically and fixedly mounted at the top end of the reaction kettle, a mixing barrel is rotatably mounted between the two supporting plates, a partition plate is fixedly mounted on the inner wall of the mixing barrel, and the partition plate is fixedly mounted on the top end of the reaction kettle. Stirring assemblies are installed on the two sides of the partition plate respectively, a feeding pipe is fixedly installed on one supporting plate, one end of the feeding pipe penetrates through one side of the mixing barrel in a sliding mode and is arranged in a sealed mode, a groove matched with the feeding pipe is formed in one side of the supporting plate, and the feeding pipe is connected with the inner wall of the groove in a sealed and sliding mode. A feeding hole is formed in the top end of the outer side of the feeding pipe, a driving assembly is installed on one side of the mixing barrel, discharging pipes are symmetrically installed on the outer side of the mixing barrel, the device can continuously add additive liquid for premixing, meanwhile, the mixing speed is increased through layered mixing, and the working efficiency is improved.

A semi-crystalline blended polymer useful for additive manufacturing is comprised of an amorphous thermoplastic polymer and a thermoplastic semi-crystalline polymer, each of the polymers being essentially miscible in the other and being blended at a weight ratio of amorphous polymer / semi-crystalline polymer of greater that 1 to about 20. The semi-crystalline blended polymer displays a DSC melt peak enthalpy of at least about 3 joules / g. The semi-crystalline polymer may be made by blending the aforementioned polymers at the weight ratio and subject to heating between the melt temperature of the semi-crystalline polymer and the glass transition temperature of the amorphous polymer. The semi-crystalline blended polymer may revert to essentially an amorphous polymer when additive manufactured by fusing layers of said polymer powders together.

According to a first aspect of the invention, there is provided a polymer connector plate, and in particular a fibre reinforced polymer connector plate, the connector plate comprising a polymer connector plate base; and a plurality of polymer legs extending from the plate base. According to a second aspect of the invention, there is provided a method of manufacturing a polymer connector plate, the method comprising extruding raw plastic polymer material, typically comprising fibre reinforced polymer pellets, to define the polymer connector plate defined above. According to a third aspect of the first embodiment of the invention, there is provided an apparatus for manufacturing a polymer connector plate, and in particular a fibre reinforced polymer connector plate, the apparatus comprising an injection moulding apparatus.

Systems and methods of the inventive subject matter are directed to components that are used to form lengths of conduit. Such a system can include a male component and a female component, where the male component has a male conical tapered surface on a threaded end and the female component comprises a female conical tapered surface on a threaded end. A B nut can be slid over the male component so a sleeve can be screwed onto the threaded end of the male component, and the B nut can then screw onto the threaded end of the female component, thereby pulling on the sleeve to bring the male component and the female component toward each other. Systems of the inventive subject matter are made from non-metal materials such as machinable ceramics, plastics, polymers, and the like.