618 results about "Polyketone" patented technology

The invention relates to polyketone compounds and the at least partially hydrogenated products thereof, the use of said polyketone compounds and/or the at least partially hydrogenated products thereof as plasticizers, processes of making polyketone compounds and the at least partially hydrogenated products thereof, compositions comprising the polyketone compounds and/or the at least partially hydrogenated products thereof, and to articles formed from products of the invention.

A three-dimensional, multi-layer plastic product that is resistant to damage caused by environmental factors such as heat, chemicals, desiccants, oxygen, and/or weather is disclosed. The multi-layer product includes an engineering resin layer affixed to a commodity resin layer. The engineering resin layer of the multi-layer film may be directly fused to the commodity resin or post-consumer regrind layer. Alternatively, the engineering resin layer may be tied to the commodity resin or post-consumer regrind layer through the use of one or more adhesive and/or tie layers. The commodity resin layer may be manufactured from an economical polymer material such as a polypropylene, polyethylene, polystyrene or post-consumer regrind. Suitable engineering resins may be any of a variety of suitable materials such as a polysulphone, polymethylpentene, polyester, polycarbonate, polyetherimide, nylon, polyarylate, polyphenylenesulphide, polyphenylene oxide, polyethersulphone, aromatic polyketone, liquid crystal polymer, and mixtures thereof, for example, a method for manufacturing a three-dimensional multi-layer plastic product is also disclosed which includes the steps of providing an extruded or laminated sheet comprising an engineering resin layer, thermoforming a three-dimensional shell from the sheet, and injection molding a commodity resin layer onto the thermoformed shell.

The invention discloses a gravure alcohol aquosity composite plastic ink, which comprises the following parts: polybasic allyl propionate copolymerized resin, polyketone resin, dye, dispersant, adhesion accelerating and chelant and alcohol. The invention makes ink possess excellent alcohol solubility and solvent releasing property, which improves ink fluidity and adhesion effectively.

An electrical wire comprising a conductor and a covering disposed over the conductor. The covering comprises a thermoplastic composition. The thermoplastic composition comprises a blend of an aromatic polyketone and a polysiloxane/polyimide block copolymer. The composition can further comprise one or more additives.

A composition comprises a blend of an aromatic polyketone and a polysiloxane/polyimide block copolymer. The composition can further comprise one or more additives.

A propellant is disclosed, comprising, as binder, an ethylene copolymer especially ethylene/vinyl acetate copolymer. The binder may be silane-grafted and moisture curable. A solid propellant composition may contain a plasticizer that is solid or semi-solid at 20° C., and an additive to increase one or more of elongation, adhesion and tack. Examples of the solid or semi-solid plasticizer are selected from microcrystalline wax, macrocrystalline wax, an oxidized hydrocarbon polyolefin and a polyketone wax. Examples of the additive are selected from an aliphatic hydrocarbon, an aromatic, a hydrogenated hydrocarbon resin and a derivative of a rosin. Preferably, the binder composition contains 10-30% by weight of liquid plasticizer, 0-30% by weight of solid or semi-solid plasticizer and 20-40% by weight of at least one said additive. The propellant is particularly useful as a rocket propellant. A method of manufacture is disclosed.

The invention relates to application of a heat-resistant porous diaphragm to a lithium ion battery. The porous diaphragm is prepared from one or more than two of heat-resistant high-molecular polymers such as polysulfone, polyketone, polyimide, polybenzimidazole and polyetherimide; the pore diameter of the porous diaphragm is 5-500 nm, and the porosity rate is 30-70%. The porous diaphragm is high in porosity rate, the pore structure of porous diaphragm is easy to regulate, and obtained pores have a certain degree of curvature, so that when the porous diaphragm is applied to the lithium ion battery, micro short circuit and self-discharge phenomena can be effectively avoided, and meanwhile, higher electrolyte affinity and cycling stability are realized. A preparation method for the diaphragm is simple, environment-friendly, and easy to popularize; the porous diaphragm has a relatively good application prospect in the field of lithium ion batteries.

The invention provides waterproof UV snowflake printing ink and a preparation method thereof. The printing ink comprises the following components in percentage by weight: 20-35% of aliphatic polyurethane acrylate resin or aromatic polyurethane acrylate resin, 0-25% of epoxy acrylate resin, 0-20% of thermoplastic acrylic resin, 5-25% of polyketone resin or keto-aldehyde resin or urea formaldehyde, 10-45% of bifunctional acrylic monomer or polyfunctional acrylic monomer, 5-20% of sand powder or effect powder, 0-5% of bodying agent, 0-5% of adhesion promoter, 3-5% of photoinitiator, 0.1-2% of polymerization inhibitor and 0.2-5% of auxiliaries. The invention further provides a method for preparing the printing ink by adopting the formula. The waterproof UV snowflake printing ink prepared by the formula and the preparation method of the invention still keeps excellent adhesive force on the surface of wet paper printing stock and is very easy to operate and promote.

The invention discloses a transfer printing ink for polypropylene plastics, and a preparation method and application thereof. The transfer printing ink for polypropylene plastics is composed of the following components: 15-35% chlorinated polypropylene resin, 20-30% thermoplastic acrylic resin, 5-15% polyketone resin, 1-2% stuffing, 4-20% pigment, 5-10% auxiliaries, and 20-40% solvent. The transfer printing ink is high in drying speed and stable, high in color concentration and stable in colloid properties; the transfer printing ink has good effects if being applied to direct transfer printing on the surface of the polypropylene plastics without pre-treatment; besides, the transfer printing ink is good in continuous printability, free of wire drawing, convenient for cleaning, clear in printed patterns, good in third dimension and excellent in adhesion.

The invention discloses a flame-retarding ABS/POK alloy and its preparation method. The flame-retarding ABS/POK alloy is prepared from, by mass, 30-65 parts of ABS resin, 10-45 parts of polyketone resin, 13-25 parts of flame retardant, 3-8 parts of flame retardant synergist, 2-5 parts of compatilizer, 0.3-1 part of antioxidant, and 0.3-1 part of processing aid. The preparation method includes steps of 1), raw material drying and blending; 2), extrusion, cooling, prilling and drying of raw materials through a dual-screw extruder. The flame-retarding ABS/POK alloy is excellent in heat resistance, and the highest thermal deformation temperature is up to 130 DEG C; the flame-retarding ABS/POK alloy has very good physical performance, flame retarding performance and processing performance; therefore, the application scale of the ABS material is greatly widened, and the preparation technique is simple and convenient to large-scale production.

The invention relates to the technical field of printing ink, particularly discloses alcohol-soluble polyamide gravure plastic surface printing ink. The alcohol-soluble polyamide gravure plastic surface printing ink is prepared by mixing the following component by weight: 15-25% of an alcohol-soluble polyamide resin solution, 6-15% of an alcohol-soluble rosin-modified maleic acid resin solution, 2-4% of an alcohol-soluble polyketone resin solution, 5-10% of an alcohol ester-soluble nitro-cotton resin solution, 0.5-1% of wax powder, 9-30% of pigment, 30-40% of anhydrous ethanol, and 0.5-1% of an anti-settling agent. The surface printing ink disclosed by the invention adopts the alcohol-soluble polyamide resin as the main resin, and the alcohol-soluble rosin-modified maleic acid resin and the alcohol-soluble polyketone resin as the auxiliary resins, these three resins all adopt ethanol as a solvent for dissolution, and when the alcohol-soluble polyamide gravure plastic surface printing ink is prepared, ethanol is also used as a solvent system, so that benzene solvent is basically eliminated, and the problems that the benzene solvent system surface printing ink in the prior rat pollutes the environment and is harmful for human bodies and the like are solved.

This invention relates to a pneumatic tire with an improved driveability and a reduced weight as well as a maintained traveling durability, and particularly a pneumatic tire having a high post cure inflation pressure, and being best suited as a pneumatic tire for a light truck with a high air pressure. In the pneumatic tire, twisted cords formed of a polyketone fiber represented by the following formula (a), and having a thermal shrinkage stress value, at a dry heat temperature of 150° C., of not less than 0.19 cN/dtex are used as cords for forming a carcass layer:

—(CH₂—CH₂—CO)n-(R—CO—)m-  formula (a);

• • where the relationship between n and m is represented by the following formula (b), and R represents an alkylene group having 3 or more carbon atoms:

1.05≧(n+m)/n≧1.00  formula (b).

The invention discloses a polycarbonate and polyketone alloy and a preparation method thereof. The polycarbonate and polyketone alloy is prepared from the following ingredients in parts by weight: 60 to 95 parts of polycarbonate, 5 to 40 parts of polyketone, 0.2 to 10 parts of maleic anhydride graft modification polyolefin elastomers, 0 to 10 parts of methyl methacrylate-butadiene-styrene terpolymers, 0.2 to 3 parts of antioxidants and 0.2 to 3 parts of processing agents. The alloy material has the advantages that the defect of poor solvent-resistant performance of the polycarbonate is effectively overcome; and meanwhile, the alloy material has good heat-resistant performance and mechanical property. The polycarbonate, the polyketone, the maleic anhydride graft modification polyolefin elastomers, the methyl methacrylate-butadiene-styrene terpolymers, the antioxidants and the processing agent are fed and are uniformly mixed; the mixture is fed into a double-screw extruder; and a product is obtained through melt extrusion granulation. The production can be performed by using the existing production equipment; the operation is simple; and the industrial production is easy.

A pneumatic tire for a motorcycle, wherein the tire is optimized in the ground contact shape and the ground contact pressure distribution during high-speed running to achieve excellent driving stability, is provided. Furthermore, a pneumatic tire for a motorcycle, wherein the tire is optimized in the ground contact shape and the ground contact pressure distribution during high-speed running to realize excellent gripping force to stabilize the behavior of the tire near its cornering limit and excellent cornering ability, is provided.

Provided is a pneumatic tire for a motorcycle, which employs a multifilament-twist polyketone fiber cord, as a reinforcing material, having a total dtex value of 1000 to 20000 dtex per cord and satisfying the relationships represented by the following Expressions (I) and (II):

σ≧−0.01E+1.2  (I)

σ≧0.02  (II)

(wherein, E is an elastic modulus (cN/dtex) at 25° C. under a load of 49 N, and σ is a heat shrinkage stress (cN/dtex) at 177° C.).

The invention discloses a performance controllable epoxy-polyketone grouting material as well as a preparation method and application thereof. The epoxy-polyketone grouting material mainly comprises components A and B, wherein the component A comprises epoxy resin, s reactive solvent and sm interface modifier; and the component B comprises sn amine curing agent, a curing regulator, a curing accelerant and a catalyst. The reactive solvent forms polyketone resin under the actions of the catalyst and the like and further forms an interpenetrating network structure together with epoxy, so the mechanical property, the permeability, the operable time and the like of the grouting material are controllable; and the grouting material has low initial viscosity, strong spreading property on various rock, soil and concrete interfaces, good permeability and operable time controllability, quick later mechanical strength enhancement and high grouting body mechanical strength, and can be used for filling concrete cracks and repairing rock defects, can be used for strengthening foundation reinforcement and water and permeation prevention of large projects and buildings such as roads, bridges, ports and the like.

Improvements in compressor manufacture are achieved by utilizing polymeric components which retain at least 90% of their dimensions after being exposed to a mixture of refrigerants and/or lubricants for 30 days at 60° C. Polymeric materials include (i) polyetherimides, (ii) polyphenylene sulfides, (iii) polyketones, (iv) polysulfones, (v) liquid crystal polymers, and (vi) combinations thereof. Metal coatings on the polymers are the preferred embodiments for housings.

The invention discloses a polyketone composition applied to supporting and sliding elements in architectural engineering. The polyketone composition is prepared from the following raw material components in parts by mass: 71.5-98 parts of aliphatic polyketone resin, 0.3-10 parts of abrasion-resistant agents, 1-10 parts of polymer toughening agents, 0.3-1.5 parts of heat stabilizers, 0.1-1 part oflubricants, 1-5 parts of compatilizers and 0.3-1 part of other auxiliary additives. The polyketone composition applied to supporting and sliding elements in architectural engineering has excellent mechanical property, heat resistance, chemical resistance, low-temperature property and self-lubrication property, particularly has low friction coefficient, high abrasion resistance and high compressivestrength, and is applicable to conditions with higher load and wider use of temperature. Through combination of the formula of the polyketone composition, compared with the existing polyketone material extrusion molding scheme, a plate extruding scheme and a compression molding scheme which are used as two new product preparation processes are provided; the problem that the extrusion pelletizing-injection molding scheme is incapable of molding large-sized products and thick products is solved.

The present invention provides graphene dispersion slurry and organic and inorganic general priming paint modified by the graphene dispersion slurry, and relates to the technical field of chemical industry. First, the graphene dispersion slurry with a good dispersion effect is prepared, the graphene dispersion slurry comprises graphene powder, an ultra-dispersing agent, a silane coupling agent, a multi-functional additive, polyketone resin, hydrated magnesium silicate and a solvent, wherein the mass ration of graphene powder to ultra-dispersing agent to silane coupling agent to multi-functional additive to polyketone resin to hydrated magnesium silicate to solvent is 8-10: 5-10:3-5:1-3:7-12:0.5-1: 75.5-59. The graphene dispersion slurry is used for modifying the organic and inorganic general priming paint, so that paint films of the organic and inorganic general priming paint have self-repairing function, and have good salt spray resistance, and in addition, the priming paint production cost can be reduced, and corrosion resistance and mechanical properties of the priming paint can be improved.

The invention relates to an ultraviolet radiation curing gravure freezing-point ink and a preparation method thereof. The ink comprises the following raw materials in parts by weight of: 15-25 parts of unsaturated acrylate resin, 15-25 parts of polyketone resin, 25-35 parts of acrylate monomer, 1-2 parts of matt powders, 5-8 parts of wax powders, 2-8 parts of inorganic filler, 0.4-0.8 parts of antifoaming agents, 0.6-1.0 part of wetting and leveling agents, 5-10 parts of photoinitiators, and 5-10 parts of promoters. The preparation method of the ultraviolet radiation curing gravure freezing-point ink comprises a step of pre-preparing resin liquid and a step of mixing, dispersing and tempering. The invention provides the ultraviolet radiation curing gravure freezing-point ink, which has the advantages of environmental friendless, no toxicity, no pollution, no emission of harmless gas, rapid printing speed and high production efficiency.

The invention relates to the field of high-polymer materials, and particularly relates to a high-impact halogen-free flame-retardant POK/PA (polyketone/polyamide) alloy material. The alloy material is composed of the following components in parts by weight: 200-400 parts of POK, 400-700 parts of PA6, 10-100 parts of compatibility and impact modifier, 50-150 parts of halogen-free flame retardant and 5-15 parts of aid. The high-impact halogen-free flame-retardant POK/PA alloy material has favorable high-impact properties (up to 250 J/M at 23 DEG C and up to 150 J/M at -30 DEG C); the halogen-free flame retardancy can reach V-0; the abrasion coefficient of the material is better than that of the simple flame-retardant PA6, and is up to 6.9 mm<3>/kg/km; and the heat-deformation temperature of the material is higher than that of the simple flame-retardant PA6, and is up to 190 DEG C.

The invention relates to a composition of a macromolecular compound, in particular to a glass fiber enhanced polyamide composition and a preparation method and application thereof. The glass fiber enhanced polyamide composition is prepared from polyamide 6 or polyamide 66, low-melting-point polyamide, aliphatic polyketone, alkali-free chopped glass fibers and POE-grafted maleic anhydride. By the adoption of unique formula design and a two-step extrusion process, the glass fiber enhanced polyamide composition with low melting point, high wear resistance, low floating fiber content and high size stability is prepared, and can be widely applied to the fields of automobiles, engineering structural members, electronic and electrical products and the like which have high appearance requirement and relatively high requirements on rigidity and toughness balance, wear resistance and size stability.