452 results about "Polymer alloy" patented technology

The present invention provides an aggregate of nanofibers having less spread of single fiber fineness values that can be used in wide applications without limitation to the shape and the kind of the polymer, and a method for manufacturing the same. The present invention is an aggregate of nanofibers made of a thermoplastic polymer having single fiber fineness by number average in a range from 1×10⁻⁷ to 2×10⁻⁴ dtex and single fibers of 60% or more in fineness ratio have single fiber fineness in a range from 1×10⁻⁷ to 2×10⁻⁴ dtex.

Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.

A method for manufacturing a film or sheet comprises deforming a polymeric alloy at a temperature effective to impart to the deformed alloy a birefringence retardation of greater than or equal to about 350 nanometers. A method of substantially eliminating comets and veins in an optical film or sheet comprises annealing the film or sheet comprising a polymeric alloy to a temperature proximate to a glass transition temperature of a polymeric resin contained in the alloy. A composition comprises a first polymeric resin in an amount of about 1 to about 99 wt %; and a second polymeric resin in an amount of about 1 to about 99 wt %, wherein the polymeric resins are treated with a deforming force or with an energy effective to produce a polymeric alloy having a birefringence retardation of greater than or equal to about 350 nanometers or with a birefringence retardation of less than or equal to about 150 nanometers.

A polymeric material comprised of (i) at least one random copolymer comprised of ethylene oxide and one or more other alkylene oxide(s) and (ii) at least one non-random polymer comprised of one or more poly(alkylene oxide)s has been discovered. Preferably, it is a polymer alloy. Alkylene oxide homo-polymers or block copolymers may be the non-random polymer. In a related discovery, an adhesive material can be made by suspending (a) particles in (b) a matrix of at least one poly(ethylene oxide) copolymer of ethylene oxide and propylene oxide, or a combination thereof. The handling characteristics may be adjusted for different utilities (e.g., from runny oil to hard wax). Applications include use as adhesive, cohesive, filler, lubricant, surfactant, or any combination thereof. In particular, the hard materials may be used for cleaning or waxing.

A solar module polymer backsheet comprising a basement layer, tie layer on each side of the basement layer, a fourth film layer and a fifth film layer on the other side of the tie layer, the basement layer comprises at least one of the following components: polyamide polymers, polypropylene and propylene polymers, polyethylene and vinyl polymers, poly(vinylidene chloride), styrene polymers, ABS resins, liquid crystal polymers, acrylic polymers, polyphenylene oxides, polycarbonates, and polymer alloys of polycarbonates with poly(C_2-6 alkylene glycol phthalates). The manufacturing process of the backsheet was provided, one polymer or a mixture of more polymers are used to form the film configuration in place of the former PET layer, thus excellent processability, material mechanical performances, barrier property and ageing resistance can be obtained; furthermore, the laminated films of the backsheet are formed via melt co-extrusion or extrusion composite process, which significantly upgraded the adhesion strength between the laminated films, and simplified manufacturing process.

The invention relates to a crimped yarn and a fiber structure. The crimped yarn is characterized in that: a multifilament yarn composed of a synthetic fiber is crimped to obtain the crimped yarn; the synthetic fiber is composed of an aliphatic polyester resin (A) and a thermoplastic polyamide resin (B); the ratio of the exposed surface area of the aliphatic polyester resin (A) to the surface area of the fiber is below 5%. The fiber structure is characterized in that at least part of the fiber structure comprises the crimped yarn. The invention also relates to the crimped yarn and the fiber structure. The crimped yarn is composed of a polymer alloy synthetic fiber or core-sheath-type composite fiber. The polymer alloy synthetic fiber is composed of the aliphatic polyester resin (A) and the thermoplastic polyamide resin (B). The core component of the core-sheath-type composite fiber is composed of the aliphatic polyester resin (A) or a polymer alloy composed of the aliphatic polyester resin (A) and the thermoplastic polyamide resin (B). The sheath component is composed of the thermoplastic polyamide resin (B). The fiber structure is characterized in that at least part of the fiber structure comprises the crimped yarn.

A polymer alloy has been developed comprising a polysulfone and a vinyl lactam polymer. The resulting alloy has excellent thermal characteristics and even in the presence of substantial quantities in vinyl lactam polymers, has solvent resistance to both organic and aqueous solvent materials. The materials, when dissolved in solvents, can be spun from a variety of solvents into a variety of useful fiber materials. The resulting fine fiber, microfiber and nanofiber materials have excellent thermal and chemical resistance for a variety of fiber applications. The polymer alloys of the invention can be spun into nanofiber mats that can act as a filtration media and can also be combined into conventional substrate materials for fabrication into filter structures.

There is provided an insulated wire having an insulation film composed of a plurality of layers provided on a conductor, in which: the insulation film includes a first film layer and a second film layer; the first film layer is made of a first resin composition formed by graft-polymerizing a graft compound with an ethylene-tetrafluoroethylene copolymer and is provided on a circumference of the conductor; and the second film layer is made of a second resin composition being a polymer alloy made of a polyphenylene sulfide resin and a polyamide resin, or being a polymer alloy made of a polyether ether ketone resin and a polyamide resin and is provided on a circumference of the first film layer.

The invention discloses a functional co-extrusion composite alloy material floor-heating floor and a manufacturing method thereof. The floor is of a five-layer composite structure, a board vacuum coating reflection layer is arranged on the bottommost layer, a heating layer which is the conductive heating plastic layer is arranged above the reflection layer, a PVC-based polymer alloy composite material layer is arranged above the heating layer, and a co-extrusion composite decorative layer is arranged above the PVC-based polymer alloy composite material layer. The heating layer, the PVC-based polymer alloy composite material layer and the co-extrusion composite decorative layer integrally form the whole structure through the co-extrusion technology, and a transparent layer protective layer processed through UV anti-microbial wear-resistance processing is arranged on the topmost layer. The manufacturing method of the functional co-extrusion composite alloy material floor-heating floor comprises the following steps of (1) mixture and manufacturing of the PVC-based polymer alloy composite material layer, (2) on-line co-extrusion composite of the heating layer, the co-extrusion composite decorative layer and the PVC-based polymer alloy composite material layer, (3) surface one-line knurling processing of the co-extrusion composite decorative layer, (4) vacuum coating conducted on the surface of boards and (5) surface layer UV anti-microbial wear-resistance processing. The manufacturing method of the functional co-extrusion composite alloy material floor-heating floor is simple in process, and the functional co-extrusion composite alloy material floor-heating floor manufactured by the method has the good floor heating conductivity, good size stability, anti-fouling environmental protection performance and using durability.

An object to be solved Disclosed is a novel resin modifier which enables to improve the low-temperature impact resistance of a polymer alloy including a polar group-containing polymer and an olefin polymer and enables to obtain a molded article with smooth surface when the polymer alloy is molded. Also disclosed is a polar group-containing polymer composition including the resin modifier. The polar group-containing polymer composition which is suitable in the invention is a resin composition of a polylactic acid and a polypropylene.

Means for solving the object A resin modifier (C) obtained by reacting a polyolefin (A) having a group which reacts with a carbodiimide group, and a carbodiimide group-containing compound (B), wherein the content of the carbodiimide group is from 1 to 200 mmol per 100 g of the resin modifier, and a polar group-containing polymer composition (F) comprising from 1 to 30% by weight of the resin modifier (C), from 99 to 20% by weight of a polar group-containing polymer (D), and from 0 to 80% by weight of an olefin polymer (E).

The invention provides a polymer alloy with added wood (bamboo) powder and a flake material, which comprises the wood (bamboo) powder, a polymer material (ABS (Acrylonitrile Butadiene Styrene)/PVC (Polyvinyl Chloride) alloy, PC (Polycarbonate)/PE (Polyethylene) alloy, PP (Polypropylene), PE (Polyethylene), PVC (Polyvinyl Chloride), PS (Polystyrene), a coupling agent, an impact modifier, a stabilizer, a plasticizer, a foaming agent, a flame retardant, a compatilizer, a dispersing agent, a lubricating agent and an ultraviolet absorbent, wherein 5-35 parts by weight of surface modified flake glass or surface modified metal flake or surface modified organic resin flake and 15-40 parts by weight of the wood (bamboo) powder are added into the polymer material.

The invention relates to a light jute fiber reinforced polypropylene alloy composite plate. Main raw materials of the composite plate are jute and a polymer material. In a manufacturing process, polypropylene, polyethylene, compatibilizer (such as reactive-type polymer compatibilizer MPP), toughening agent (such as rubber-like EPDM ) and filler are added to the polymer alloy raw material, wherein the filler is talcum powder, CaCO3, lubricant (WAX), foaming agent (AC) for facilitating lightweight foaming, cross-linking agent (DCP) and the like. The composite plate is manufactured through a special machining process. Because various raw materials adopted in the invention are all nontoxic, no pollution can be caused to workshops or ecological environment during manufacture; due to pipeline operation, no raw materials can be wasted; due to the special machining process and coupling-agent treatment performed on the related raw materials, all performance indexes of a light jute fiber reinforced low-foamed alloy plate are greatly improved; and due to the promotion of product performance, the composite plate can be used to be made into automobile inner decoration materials in various shapes, and can be particularly used as an automobile ceiling, a front/back top plate, a back panel, a side panel, an airduct and the like.

This invention is a method for manufacturing a polymer alloy, by making at least two resins used as components miscible, and inducing the spinodal decomposition for causing phase separation, for forming a co-continuous structure with a wavelength of concentration fluctuation of 0.001 to 1 mum or a dispersed structure with a distance between particles of 0.001 to 1 mum. This invention is also a polymer alloy manufactured by the method. The polymer alloy of this invention can provide a molded article, film, fibers and the like respectively with excellent mechanical properties at high productivity.

A flame resistant polyester fiber, while maintaining physical properties, such as heat resistance, tensile strength and elongation, etc. of usual polyester fibers, having excellent flame resistance and excellent setting property, and furthermore having controlled gloss of fiber is provided. A composition obtained by melt kneading of a polyester (A) comprising polyalkylene terephthalates, and one or more kinds of copolymerized polyesters having polyalkylene terephthalate as a principal component; a polymer alloy (B) consisting of polyalkylene terephthalates and polyarylates; phosphorus based flame resistant agents (C); and phosphite based compounds (D), and organic fine particles (E) and/or inorganic fine particles (F) are mixed thereto to obtain a composition. The obtained composition is melt spun to obtain a flame resistant polyester fiber in which the above-mentioned problems are solved, and to obtain artificial hair using the fiber.

The invention relates to a random copolymer of polycarbonate and aromatic polyester based on 1,4;3,6-diglycidyl hexanehexol and a preparation method and an application of the random copolymer. The random copolymer is prepared by taking 1,4;3,6-diglycidyl hexanehexol, carbonic acid diester, aromatic binary acid (or ester of aromatic binary acid) and aliphatic dihydric alcohol as monomers through a one-pot method or two-pot method in the presence of inert gases. Compared with homopolymerized carbonate, the random copolymer is relatively greatly improved in molecular weight, mechanical property, processing capability, thermal stability and chemical stability, and meanwhile relatively high glass-transition temperature is maintained. The number-average molecular weight of the random copolymer is 3.0*10<3>-4.0*10<5>, the glass-transition temperature is 90-180 DEG C, and the random copolymer is excellent in comprehensive property and can be used for preparing polymer blends, polymer alloy, heat-resisting containers, bottles, films, fibers, sheets, optical products and the like.

The invention discloses a polyamide composition of high impact thick-walled product, which comprises the following parts: a) 1-99wt% polyamide resin, b) 0. 5-40wt% thermoplastic elastomer of olefin copolymer, c) 1-95wt% phenylethene resin, d) 0. 05-60wt% modified ethylene copolymer with alpha, beta-unsaturated fatty acid anhydrides or its deritative, or e) 0. 05-60wt% modified ethylene copolymer with alpha, beta-unsaturated fatty acid. The invention can keep original superior strength, fluidity and low-temperature shock resistance of thin-walled product, which confers superior shock resistance for thick-walled product.