665 results about "Thermoplastic" patented technology

The invention discloses environmentally degradable plastic as well as a preparation method and application thereof, and belongs to the technical field of degradable plastic. The degradable modified plastic is prepared from the following raw materials: polylactic acid, poly (butylene terephthalate)-adipate, modified thermoplastic starch, modified cellulose, poly (butylene succinate), epoxidized soybean oil, polyvinyl alcohol, glycerol monolaurate and ethylenediaminetetraacetic acid. Wherein the modified thermoplastic starch is obtained by thermoplastic modification of starch through a plasticizer and modification of castor oil and toluene diisocynate; the modified cellulose is obtained by modifying cellulose acetate with chitosan. By regulating and controlling the types and proportions of the raw materials for preparing the plastic, the plastic with excellent degradation performance and mechanical performance can be obtained, the shopping bag is prepared from the plastic, the loading capacity can be remarkably improved, the plastic is easily degraded by microorganisms in the environment after being discarded, and environmental pollution is avoided.

The invention is directed to a biodegradable, thermoplastic multiblock copolymer, to a process for preparing a biodegradable, thermoplastic multiblock copolymer, to the use of a biodegradable thermoplastic multiblock copolymer, to a composition for the delivery of at least one pharmacologically active compound to a host, and a medical device comprising a biodegradable, thermoplastic multiblock copolymer. The biodegradable, thermoplastic multiblock copolymers of the invention comprise at least one prepolymer (A) segment and at least one hydrolysable amorphous prepolymer (B) segment, wherein the segments are linked by a multifunctional chain extender, wherein the at least one prepolymer (A) segment comprises: a) one or more hydrolysable linkages, b) a water-soluble polyoxazoline-based polymer, and c) reaction products of one or more cyclic monomers and / or one or more non-cyclic monomers, wherein the water-soluble polyoxazoline-based polymer is a polymer containing a repeating unit of structure −[N(COR1)CH2CH2]n− where R1 is independently selected for each repeating unit from an alkyl group and n is 3-100, and wherein the multiblock copolymer is amorphous.

The invention relates to a method (400) for manufacturing a casing (102) of a turbine engine (10), the casing (102) comprising a skin (102a) having an annular shape about an axis (A) and comprising tubular vents (106) which project on an outer annular face (102e) of the skin (102a) and are oriented radially with respect to the axis, the method (400) comprising the following steps: - preparing (402) an annular skin made of a thermoplastic-based material, the skin comprising openings (102h) passing through in the radial direction, - preparing (404) tubular vents made of thermoplastic-based material, - attaching (406) the tubular vents to the skin, with the attachment step (406) comprising, for each vent (106): • welding (406a) a support (200) to the skin at one of the openings, and • welding (406b) a sleeve (202) to the support and / or the skin, with the assembly formed by the support and the sleeve forming the vent.

The invention discloses low-odor thermoplastic vulcanized rubber for an automobile skin as well as a preparation method and application of the low-odor thermoplastic vulcanized rubber. The raw materials comprise 50 to 80 parts of ethylene-propylene-diene copolymer rubber, 20 to 50 parts of polypropylene, 5 to 15 parts of a compatilizer, 0.5 to 2.5 parts of a compound cross-linking agent, 0.5 to 2.0 parts of an odor adsorbent and 0.5 to 1.0 part of an antioxidant. The preparation method comprises the following steps: banburying and blending, dynamically vulcanizing by using a first double-screw extruder, adsorbing and deeply devolatilizing by using a second double-screw extruder, and carrying out vacuum baking at 100 DEG C. By utilizing the synergistic effect of the cross-linking agent and the assistant cross-linking agent, the degradation of polypropylene is inhibited while the cross-linking efficiency is ensured, and a low-boiling-point reaction by-product (tert-butyl alcohol) is thoroughly removed through a multi-stage devolatilization process, so that the problems that the traditional TPV material is strong in odor and easy to atomize are solved. The smell grade of the obtained material is less than or equal to 3.0 grade, and the atomization value is lt; and the coating is suitable for high-end automotive trim skins.

A pile is comprised of a pipe, i.e., a hollow tube or hollow cylinder, with a coextensive internal reinforcement comprised of a plurality of intersecting walls. The pile is comprised of a blend of a thermoplastic and 20 to 50% (pbw) pelletized chopped strand glass fibers. The outer surface includes a co-extruded cap stock that is relatively smooth and exhibits a relatively low coefficient of friction. Internal walls define a central channel useful for water jetting, and peripheral channels useful for electrical, plumbing and mechanical lines. The internal structures exhibit roughness, bumpiness and a relatively high coefficient of friction for an extruded plastic. A groove may be formed in the pile adjacent to an end for resistance to uplift.

A process for preparing a fiber reinforced thermoplastic is disclosed. The process includes melting a first thermoplastic and a second thermoplastic in a melting zone of a twin-screw processor, feeding at least one continuous fiber downstream of the melting zone into a melted mixture of the first thermoplastic and the second thermoplastic, incorporating the at least one continuous fiber into the melted mixture in a mixing zone, the mixing zone including at least one wave element having a continuous outer surface in the form of a helical wave, and obtaining the fiber reinforced thermoplastic from the twin screw processor. Further, a fiber reinforced thermoplastic composition prepared by an extrusion process the composition having a density between 1.3 g / cc to 1.7 g / cc and a flexural modulus of at least 4000 MPa is disclosed.

This invention relates to a hybrid thermoplastic fiber and its preparation method, applicable to the field of polymer-based composite materials technology. The hybrid fiber is composed of thermoplastic resin and uncured epoxy resin, and is prepared by wet spinning. Specifically, the thermoplastic resin and uncured epoxy resin are stirred in a ratio of 1:1 to 5:1 to obtain a mixed powder; the mixed powder is then wet-spun to obtain the hybrid thermoplastic fiber. The advantages of this invention are that the hybrid fiber can act as a shaped carbon fiber preform and as a resin guide during liquid molding, improving the toughness of carbon fiber composites without sacrificing other mechanical properties and heat resistance.

A process for preparing a fiber reinforced thermoplastic is disclosed. The process includes melting a first thermoplastic and a second thermoplastic in a melting zone of a twin-screw processor, feeding at least one continuous fiber downstream of the melting zone into a melted mixture of the first thermoplastic and the second thermoplastic, incorporating the at least one continuous fiber into the melted mixture in a mixing zone, the mixing zone including at least one wave element having a continuous outer surface in the form of a helical wave, and obtaining the fiber reinforced thermoplastic from the twin screw processor. Further, a fiber reinforced thermoplastic composition prepared by an extrusion process the composition having a density between 1.3 g / cc to 1.7 g / cc and a flexural modulus of at least 4000 MPa is disclosed.

Improved reinforced thermoplastic hoses exhibiting improved layer adhesion, improved burst pressure response, and better fitting retention are provided. High quality adhesion between tube, cover, and reinforcement layers is exhibited. Improved methods of making reinforced thermoplastic hoses to reduce use of SVHC chemicals and improve manufacturing efficiency are also provided. The thermoplastic hoses are suitable for pneumatic and hydraulic applications.

A method for forming a shaped battery can include: adding electrolyte to a dry battery cell, shaping the battery cell, relieving stress and / or strain from the battery cell, curing the electrolyte, and / or injection moulding a thermoplastic or thermoset around the battery cell. A battery cell can include a cathode, an anode, a separator disposed between the cathode and the anode, a gel polymer electrolyte, an overmoulded housing surrounding the cathode, the anode, the separator, and the gel polymer electrolyte, where the battery cell comprises a non-zero radius of curvature about at least 1 axis.

The present application relates to the field of polyurethane, in particular to a kind of fluorine-free high-efficiency carbon-forming flame-retardant polyether polyurethane and preparation method thereof.Flame-retardant polyether polyurethane includes the following components by mass fraction: thermoplastic polyether polyurethane matrix 75-87 parts, halogen-free fluorine-free catalytic carbon composite flame retardant 13-18 parts, functional additive 0-5 parts.The present application realizes high-efficiency flame retardation under very low addition amount through synergistic effect of phosphorus-nitrogen flame-retardant system and catalytic carbon system, only 13-18 parts of flame retardant addition amount is needed, 0.5-3.0mm wall thickness product can reach UL1581 VW-1 highest flame-retardant grade, completely no dripping, solve the industry pain point of traditional halogen-free flame-retardant system high addition amount, thin-wall flame-retardant substandard, rely on fluorine-containing additive anti-dripping, perfect adaptation to the flame-retardant demand of thin-wall product such as electric wire and cable.

The present application relates to a fan blade (10) for an industrial axial fan. The fan blade (10) comprises an airfoil (12) and a blade root (14) arranged proximal to the airfoil (12) and configured for attaching the fan blade (10) to a hub (62) of an axial flow fan. The airfoil (12) includes a tip (22) at a distal end (23) and a base (24) at a proximal end (25), a leading edge (26) and an oppositely disposed trailing edge (28), whereby both edges (26, 28) extend from the tip (22) to the base (24). The airfoil (12) has a variable thickness defined as a distance between a top surface (30) and a bottom surface (32). Furthermore, the airfoil (12) is an injection molded unitary structure integrally formed in one piece from a composite material, where the composite material comprises carbon fibers and a thermoplastic selected from the group consisting of polyamide, polybutylene terephthalate and polypropylene.

The invention discloses a high-durability multifunctional composite material for landscape architecture and a preparation method of the high-durability multifunctional composite material, and relates to the technical field of outdoor wood composite materials. Thermoplastic, plant fibers, a hydrophobic agent, a compatilizer and a composite antioxidant are blended to prepare a hydrophobic modified wood-plastic composite material, and the hydrophobic modified wood-plastic composite material is used as a core layer; the preparation method comprises the following steps: blending a wood unit, a low-temperature sintered ceramic precursor, nano titanium dioxide and an inorganic binder to prepare a photocatalyst-loaded microporous ceramic-wood composite material, and forming a functional surface layer of the photocatalyst-loaded microporous ceramic-wood composite material; according to the high-durability multifunctional composite material for the landscape architecture, synchronous co-extrusion is utilized, the surface of the core layer is coated with the functional surface layer, curing and shaping are conducted, and the high-durability multifunctional composite material for the landscape architecture is obtained and is a novel landscape material which integrates high durability, long service life, low maintenance, environment friendliness and aesthetic value and can actively keep the surface clean.

A method of making a thermoplastic copolyester elastomer-based fiber is disclosed. The method comprises: providing a thermoplastic copolyester elastomer having a number average molecular weight of greater than 35,000 g / mol; and spinning the thermoplastic copolyester elastomer to provide a fiber comprising a spun thermoplastic copolyester elastomer, wherein the spun thermoplastic copolyester elastomer has a number average molecular weight that is 98% or less to 50% or more the number average molecular weight of the thermoplastic copolyester elastomer. A thermoplastic copolyester elastomer-based fiber made according to the aforementioned method and a fabric comprising the aforementioned thermoplastic copolyester elastomer-based fiber are also disclosed.

The invention relates to polyethersulfones which can be used as engineering thermoplastics and also as polymers suitable for use in membrane technologies. A method for producing a polyethersulfone includes carrying out a nucleophilic polycondensation between 4,4'dioxydiphenyl sulfone and 4,4'dichlorodiphenyl sulfone in the presence of potassium carbonate in an aprotic solvent environment in two steps of: a) obtaining a dipotassium salt of 4,4'dioxydiphenyl sulfone and b) adding 4,4'dichlorodiphenyl sulfone to the salt obtained in the first step, then holding the resulting mixture while controlling the viscosity thereof to provide a mixture containing a polyethersulfone in a dissolved form in which the mass fraction of the polymer is from 50.5 to 53.3%, isolating the polyethersulfone and drying same. The invention makes it possible to produce a high-molecular-weight polyethersulfone having a controlled set mass-average molecular mass of from 85340 to 104300 g / mol, rendering the polymer suitable for use in the production of finished articles.

To provide a power storage device in which deformation and thermal stress occurring in a resin member for fixing a terminal member to a case member are suppressed, and to provide a method of manufacturing the power storage device.SOLUTION: In the power storage device 1 including the resin member 50 that fixes the terminal member 40 to the case member 25, the resin member includes the interposed portion 54 located between the case member and the terminal outward surface 44a of the terminal member, and includes the first resin portion 60, 160 formed of the first resin material 61 including the first resin 61a that is thermoplastic and electrically insulating and the first filler 61b, and the second resin portion 70, 170 formed of the second resin material 71 including the second resin 71a that is thermoplastic and electrically insulating and integrally molded with the case member and the terminal member and fixed to the case member and the terminal member. The interposed part has a first interposed part 64164 of the first resin component and a second interposed part 74174 of the second resin component, and an average second alignment direction H2av of the second filler in the second interposed part intersects with an average first alignment direction H1av of the first filler in the first interposed part.SELECTED DRAWING: Figure 2

The invention discloses a thermoplastic engineering plastic and a preparation method thereof, and the thermoplastic engineering plastic comprises the following components by weight: 83-93% of ABS resin, 3-10% of flake alumina and 3-4% of a processing aid; wherein the surface of the flaky aluminum oxide is connected with a lipophilic group. According to the invention, the surface-modified flaky aluminum oxide is adopted as a functional filler and is compounded with the ABS resin to prepare the ABS thermoplastic engineering plastic, and the flaky aluminum oxide can realize single-sheet stripping after being subjected to surface treatment, so that the characteristics of portability, impact resistance, weather resistance and great improvement of dimensional stability can be achieved only by using 3-10% of additive amount; meanwhile, the production cost of the ABS plastic and the increase amplitude of the overall weight are reduced due to the low filler addition amount, and no obvious adverse effect is generated on the mechanical property of the plastic; the preparation method does not need to change the forming processing technology of the existing ABS plastic, the production cost is low, and the product can be recycled.

1. A low density thermoplastic foam comprising: (a) thermoplastic polymer cells having cell walls forming closed cells, the thermoplastic polymer comprising an ethylene furanoate portion and an optional ethylene terephthalate portion, the polymer comprising from about 1 mol % to about 100 mol % of the ethylene furanoate portion, and optionally at least about 1 mol % of the ethylene terephthalate portion; and (b) one or more HFOs having 3 or 4 carbon atoms and / or one or more HFCOs having 3 or 4 carbon atoms contained within the closed cells.

The present application belongs to the technical field of 3D printing of composite materials, and particularly relates to a continuous fiber reinforced polyhexahydrotriazine 3D printing heat-conducting composite material. The composite material uses a polyhexahydrotriazine prepolymer / heat-conducting filler mixed solution to impregnate continuous fiber filaments or tapes, adjusts the glue solution content and the filament / tape shape, removes the solvent through a heat flow channel, completely solidifies the resin, adjusts the cross-sectional shape of the consumable through a shaping mechanism, and obtains a 3D printing consumable after cooling. The printing consumable has good plasticity, can not rely on thermoplastic plastic as an adhesive, and can be printed through 3D printing technology alone to obtain a continuous fiber reinforced resin-based heat-conducting composite material. The consumable structure includes 25% to 75% of heat-conducting continuous fiber filaments or tapes in terms of volume percentage, 5% to 30% of heat-conducting fillers, and 20% to 70% of completely solidified intrinsic heat-conducting polyhexahydrotriazine resin. The 3D printing heat-conducting composite material has excellent heat-conducting, mechanical and chemical resistance, and can be degraded and recycled under special conditions.

The invention relates to thermoplastic molding compositions based on semi-aromatic polyesters, which are particularly suitable for extrusion coating processes, in particular on paper substrates. The invention also relates to molded articles and films comprising the thermoplastic molding, in particular to coated articles. In another aspect, the invention relates to methods for producing thermoplastic molding compositions and to extrusion methods using these thermoplastic molding compositions. The invention also relates to a packaging material comprising a coated article coated with a thermoplastic molding composition according to the invention.

A process for producing a hybrid polymer material based on a reactive polymer resin and one or more Si compounds from the group comprising silanes, siloxanes, silazanes and silicone resins, wherein an inorganic solid and one or more other solids selected from the group comprising thermoplastics, thermosets, elastomers, recycled plastics, aramid fibers, carbon fibers, natural fibers and plant solids are first combined with the reactive polymer resin and the one or more Si compounds as well as additives to form a raw material, the raw material is compacted and subsequently reacted and cured, wherein the one or more other solids are used in a proportion of 30 wt.% to 75 wt.% of the raw material.

The application discloses a durable pleat cotton fabric and application thereof to clothes, and relates to the technical field of cotton fabric production, which comprises cotton fibers and core-sheath type bicomponent thermoplastic fibers, wherein the cotton fibers account for 80-98% of the mass share of the fabric, and the core-sheath type bicomponent thermoplastic fibers account for 2-15% of the mass share of the fabric; the core-sheath type bicomponent thermoplastic fibers are of a core-sheath structure with a core layer of high-melting-point polymer and a sheath layer of low-melting-point polymer; the fabric is subjected to low-temperature short-time heating treatment at a pleat position to locally melt the sheath layer and form solidification points at adjacent fiber contact; and the fabric is subjected to padding with a crosslinking agent and heat curing treatment. The application breaks through the limitation of cotton fabric in making durable pleat products by means of the built-in and local melting structure of the core-sheath type bicomponent thermoplastic fibers in the fabric, and provides a characteristic durable pleat cotton product.

The invention relates to a method for producing a plastic part (1), comprising at least two plate-shaped sub-parts (2.1, 2.2, 2.3) which are arranged one above the other and each have at least one recess (3) on the side facing one another, said recesses (3) jointly delimiting a channel (4), and wherein each of the sub-parts (2.1, 2.2, 2.3) is produced in a thermoplastic foam injection molding process and subsequently connected layer by layer to form the plastic part (1).

The present invention relates to a method for converting co-mingled thermoplastics into a feedstock master batch for use in end-product applications. The method includes mechanically breaking co-mingled thermoplastic waste material into particles; heating the particles to a predetermined temperature to form a molten blend; extruding the molten polymer blend; and granulating the extruded polymer material to form a master batch comprising granules of the extruded polymer blend.

A panel, particularly for a piece of furniture, comprises plastic, in particular thermoplastic plastic, in particular polyethylene terephthalate. The panel has a first main surface (3), an opposing second main surface (4) and at least one edge region (5), which in turn has at least one edge-side recess (6) and at least one edge surface (8) extending between the first main surface (3) and the second main surface (4), which spatially delimits the at least one edge-side recess (6).

A conveyor, power transmission or machine belt (1) which is open ended and has two end edges (6, 7) and a longitudinal length L in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) each extending in the longitudinal direction and separated from each other by a transverse width (W); b) a first fabric layer (2); c) a first coating layer (3); and optionally d) one or more through holes (5) through the overall thickness (T) of the belt, each of the through holes (5) being formed by a hole edge (5a), characterized in that i) the first fabric layer (2) comprises fibers or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or a thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasonic or laser cuts and / or the optional hole edges (5a) are laser cuts. The belt or band has melt sealed edges, can be made into a loop by conventional end joining, and can be used in environments where lint is produced, such as a spool belt.

The application discloses a kind of encapsulation carrier plate and thermoplastic polyester elastomer material and preparation method, it is related to polymer material technical field.The thermoplastic polyester elastomer material includes following weight parts raw materials: 25-40 parts modified dimethyl terephthalate, 15-25 parts 1, 4-butanediol, 0.07-0.25 parts titanium acid tetraisopropyl ester, 0.25-0.5 parts antioxidant 168, 12-20 parts polytetrahydrofuran ether glycol, 8-15 parts modified 1, 4-butanediol, 1-3 parts isophorone diisocyanate, 5-10 parts basalt fiber, 2-6 parts flake graphite, 2-5 parts tributyl citrate, 1-4 parts methyl phenyl silicone resin, 2-3 parts polyolefin elastomer, 0.2-0.8 parts ultraviolet absorber UV-1577.The thermoplastic polyester elastomer uses modified dimethyl terephthalate and modified 1, 4-butanediol to improve performance, basalt fiber and flake graphite are treated by silanization to enhance compatibility, stepwise temperature control initiation process optimizes grafting uniformity, by double prepolymer melt blending, mechanical properties and stability are considered, the service life is extended by adding antioxidant and ultraviolet absorber.

A method for manufacturing a plastic web includes a step of hot extrusion of thermoplastic particles. The thermoplastic particles comprise polyolefin particles that are selected from: thermoplastic polyolefin (TPO) particles; thermoplastic vulcanized polyolefin (TPV) particles; thermoplastic elastomer polyolefin (TPE) particles; and a mixture of all or some of these particles. A quantity of polyolefin particles is between 50% and 96% by weight, relative to a total weight of thermoplastic particles, the polyolefin particles being at least partially derived from recycled materials.

The invention belongs to the technical field of polyamide thermoplastic elastomer preparation and elastic fibers, and discloses a fiber-grade polyamide thermoplastic elastomer preparation method, which comprises a ring-opening reaction, a pre-polycondensation reaction and a polycondensation reaction, and specifically comprises the following steps: firstly, preparing a double-carboxyl-terminated prepolymer of which the end group is carboxyl through a ring-opening reaction of caprolactam; then the binary acid mixture and the diamine mixture are sequentially subjected to pre-polycondensation reaction and polycondensation reaction to prepare the polyamide thermoplastic elastomer, and the obtained polyamide thermoplastic elastomer can be used for preparing the polyamide elastic fiber through melt spinning. The polyamide thermoplastic elastomer disclosed by the invention does not have a bonding phenomenon in a melt spinning process, and has excellent mechanical properties and elastic properties. The preparation method is simple, large-scale preparation can be carried out in an existing polymerization device, the obtained elastomer can be subjected to spinning processing in existing spinning equipment, the production efficiency is high, and the preparation method has great application prospects.