76 results about "Polybutene" patented technology

A container closure, particularly a vacuum turnlock closure, comprises a sealing element containing or made of a polymer compound (excluding PVC). The polymer compound comprises at least one polybutene polymer, at least one polymer derived from at least partially 1,2-bonded isobutylene monomer, at least one (co)PP polymer, and optionally other components and additives. In a preferred embodiment, the polybutene polymer is a copolymer with ethylene in particular. In a preferred embodiment, the polybutene polymer has a Shore A hardness of less than 85.

A method for preparing a polybutene-1 composition with an elevated crystallization temperature, comprising blending as components A) 99.5-99.9% by weight, relative to the total weight of A)+B), of a butene-1 homopolymer, said butene-1 polymer being brought into or maintained in the molten state during the blending step, with B) 0.1-0.5% by weight, relative to the total weight of A)+B), of one or more alkanoyl hydrazines of specific formulas, the polybutene-1 composition thus obtained having a crystallization temperature T satisfying the following relationship: c C has. [0010] JPEG2024542582000029.jpg4092 Here, T c A is the crystallization temperature of butene-1 polymer A).

The application belongs to the technical field of polymer preparation, and discloses a preparation method of high isotactic polybutene-1. 10 The application discloses a preparation method of high isotactic polybutene-1, which comprises the following steps: carrying out a polymerization reaction on butene-1 and optional C2-C 10 α-olefin monomers under the action of a Ziegler-Natta catalyst system; the Ziegeller-Natta catalyst system contains a solid catalyst component, an organic aluminum compound and an external electron donor; the solid catalyst component contains a catalyst carrier, an internal electron donor and a reaction product of a halide containing titanium, and the internal electron donor contains a carboxylic acid ester compound and a polyhydric alcohol ester compound; the polymerization reaction conditions include that the polymerization temperature is 0-150 DEG C, and the polymerization pressure is higher than the saturated steam pressure of butene-1 at the corresponding polymerization temperature. The preparation method has high polymerization activity, and the obtained polymer has high isotacticity.

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) composite material as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The invention provides an ABS (Acrylonitrile Butadiene Styrene) composite material. The ABS composite material comprises the following components in parts by weight: 60-90 parts of a styrene-butadiene-acrylonitrile copolymer, 15-35 parts of PETG (Polyethylene Terephthalate Glycol) resin, 3-10 parts of polybutylene resin and 0.5-2 parts of an auxiliary agent. According to the invention, the styrene-butadiene-acrylonitrile copolymer, the PETG resin and the polybutylene resin are selected as raw material components, and the cold-resistant and solvent erosion cracking-resistant ABS composite material is prepared.

Lubricant compositions comprising an oil of lubricating viscosity and a viscosity modifier that is a hydrocarbon polymer having a number average molecular weight (Mn) of less than 10,000 Daltons (Da). The viscosity modifier is present at greater than 2 wt %, based on a total weight of the lubricant composition. Exemplary hydrocarbon polymers include, but are not limited to, olefin polymers, such as polyisobutylene polybutene, ethylene α-olefin copolymers, or combinations thereof.

This invention provides a method for accelerating the crystal form transformation of isotactic polybutene-1 and the isotactic polybutene-1 resin prepared therefrom. The method includes blending isotactic polybutene-1, a hyperbranched polymer, and an optional antioxidant, followed by melt treatment, extrusion granulation, and storage. The hyperbranched polymer is selected from at least one of aliphatic and aromatic hyperbranched polymers. This invention is the first to propose a method for accelerating the crystal form transformation of isotactic polybutene-1 using a hyperbranched polymer. This method mainly utilizes the internal lubrication effect of the hyperbranched polymer to accelerate the rate of polymer chain conformation adjustment and chain rearrangement during the crystal form transformation of isotactic polybutene-1, thereby significantly improving the crystal form transformation rate. The method of this invention can shorten the time for isotactic polybutene-1 to transform from crystal form II to crystal form I from 7 days to within 2-4 days, showing good prospects for industrial application.

The present application provides a perovskite solar cell, a preparation method therefor, and a photovoltaic module. The perovskite solar cell includes a perovskite light absorption layer. The perovskite light absorption layer includes a perovskite material and a complexing agent. The complexing agent includes one or more of a hydroxycarboxylic acid-based complexing agent, an organic phosphonic acid-based complexing agent, a polyacrylic acid-based complexing agent, and a polybutenoic acid-based complexing agent. The perovskite solar cell, the preparation method therefor, and the photovoltaic module according to the present application reduce ion migration in perovskite while passivating defects, to reduce the degradation of the perovskite light absorption layer and the failure of functional layers, thus improving the device efficiency and stability.

The invention relates to a film adhesive modified polybutylene polymer vibration-resistant material and a preparation method thereof, and belongs to the field of vibration-resistant materials, and the film adhesive modified polybutylene polymer vibration-resistant material comprises a film adhesive and a polybutylene polymer, the film adhesive comprises an ethylene copolymer, a tackifier, a dissolving agent, an emulsifier, a filler, a stabilizer and water; the polybutylene polymer comprises a polybutylene copolymer, a tackifier, a dissolving agent and a reinforcing agent. The raw materials used in the invention and the prepared vibration damping material are environment-friendly materials, are stable in performance in a room temperature environment, are not easy to deliquesce and mildew, do not generate substances harmful to a human body, prolong the storage life of the material, and do not influence the health of the human body. The prepared vibration damping material is good in flexibility, and the low-temperature mechanical property, the sound vibration absorption performance and the weakening performance are improved. According to the preparation method, the solvent can be thoroughly removed, the solvent recovery rate is high, the environment is not polluted, and operators are not hurt. The anti-vibration material prepared by the invention has a good anti-vibration effect.

The invention relates to the technical field of polyurethane materials, and discloses a formula and a preparation method of hydrolysis-resistant polyurethane synthetic leather, the formula comprises: 85.0-90.0 parts of poly (1, 4-butylene adipate); 12.0 to 15.0 parts of dimer acid polyester polyol; 3.0 to 4.0 parts of epoxy linseed oil; 1.0 to 1.5 parts of castor oil; and 41.0 to 46.0 parts of diphenylmethane diisocyanate (diphenylmethane diisocyanate). 13.3 to 20.0 parts of a chain extender solution and the like. The preparation method comprises the following steps: premixing the hydrophobic components, adding the main soft segment, dehydrating, reacting with isocyanate to obtain a prepolymer, carrying out solution chain extension to obtain slurry, and finally carrying out wet solidification, washing and drying to obtain a finished product. By utilizing the hydrophobic shielding effect of the long carbon chain side group of the dimer acid and the steric hindrance effect of the special chain extender, the hydrolysis resistance of the resin layer is remarkably enhanced, and the service life of the synthetic leather is prolonged.

To provide a thermoplastic resin composition that can produce molded articles with excellent extrusion moldability, flexibility, flame retardancy, and dielectric breakdown properties. [Solution] A thermoplastic resin composition comprising (A) 100 parts by mass of polybutylene (terephthalate / dodecadioate) copolymer having a melt mass flow rate of 3.0 g / 10 min or less, measured at a temperature of 250°C and a load of 1000 g in accordance with ISO 1133, (B) 10 to 20 parts by mass of a flame retardant having a benzene ring in its side chain, and (C) 3 to 8 parts by mass of an antimony compound.

The present invention provides a non-metallocene catalyst, a preparation method therefor, and a use thereof. The molecular structure of the non-metallocene catalyst is as represented by formula 1. In formula 1, R1 and R2 each are independently one of H, methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, and tert-butyl. The non-metallocene catalyst provided by the present invention has an open spatial structure and a multi-metal active center and can highly actively catalyze a polymerization reaction of butene-1 to prepare a polybutene product having bimodal width distribution.

The invention relates to the technical field of polybutylene-1, and discloses a preparation method of polybutylene-1 resin and a method for improving the polybutylene-1 content of a solution containing the polybutylene-1 resin. The preparation method of the polybutylene-1 resin comprises the following steps: (1) in the presence of a solvent, carrying out polymerization reaction on butylene-1 to obtain a solution containing a polymer; (2) heating and cooling the solution containing the polymer to obtain a polymer dilute phase and a polymer enriched phase; wherein the temperature of the polymer-containing solution after heating is 25 DEG C or more higher than the temperature of the polymerization reaction. According to the method disclosed by the invention, the concentration effect of the polymer solution can be realized within a short time, and two-phase separation of a polymer dilute phase and a polymer enriched phase is realized, so that the subsequent separation process of unreacted monomers and polymers is simplified and shortened.

The invention belongs to the field of cable insulating materials, and relates to a modified polybutylene in-kettle alloy, application and a cable. The modified polybutylene in-kettle alloy is a polybutylene in-kettle alloy grafted copolymer; based on the total weight of the modified polybutylene in-kettle alloy, the content of the grafting unit in the modified polybutylene in-kettle alloy is 0.5-14wt%; the content of an n-heptane soluble substance is 20-75wt%; the melt flow rate of the modified polybutylene in-kettle alloy under the conditions that the temperature is 230 DEG C and the load is 2.16 kg is 0.1-6 g / 10 min; moreover, the modified polybutylene in-kettle alloy has at least one of the following characteristics: the elongation at break is greater than or equal to 250%; the tensile strength is greater than 16MPa; and the bending modulus is 450 to 750 MPa. The modified polybutylene in-kettle alloy disclosed by the invention has good insulating property, mechanical property and processability, and is particularly suitable for being used in middle and high voltage cables.

The application discloses an interlayer easy-peeling film, which comprises at least three layers of connecting layer, functional layer and heat-sealing layer which are sequentially stacked; wherein the connecting layer is a metallocene-catalyzed polyolefin material, the functional layer is a mixture of polybutene or polypropylene and polyethylene, and the heat-sealing layer is a low-stretching-property low-temperature heat-sealing material; and the polybutene or polypropylene:polyethylene is 1:1, 1:2 or 2:1. The application can control the degree of combination between the heat-sealing layer and the functional layer by adjusting the formula of the materials of the functional layer and the heat-sealing layer, that is, the peeling strength between the two layers can be controlled, so that a good peeling hand feeling can be obtained. The heat-sealing layer adopts a low-temperature heat-sealing material, and a trace of color masterbatch is added to cause visible heat-sealing transfer, which is suitable for medical packaging. Since the interlayer peeling strength between the heat-sealing layer and the functional layer is 3-5 N / 15 mm, the heat-sealing layer can be easily peeled from the functional layer, so that a stable peeling effect can be obtained.

The application relates to the field of polybutene, and provides a long-chain branched 1-butene / alpha-olefin copolymer and a preparation method thereof. The 1-butene / alpha-olefin copolymer contains a structure of omega-olefin-based dihalosilane inserted into a main chain of the 1-butene / alpha-olefin copolymer, and the molar percentage content of Si atoms in the 1-butene / alpha-olefin copolymer is 0.0001 ‰-1 ‰. The H type long-chain branched 1-butene / alpha-olefin copolymer has high creep resistance and mechanical properties.

To solve the above problems, the present application provides a heat-sealable laminated body and a heat-sealable packaging container. The heat-sealable laminated body is a laminated body in which a base material (A), an adhesive layer (B) and a heat-sealable resin layer (C) are sequentially arranged, the adhesive layer (B) contains an acrylic copolymer (D), and the heat-sealable resin layer (C) contains a polyethylene resin and further contains at least either of a polypropylene resin and a polybutylene resin.

The application relates to the technical field of polymer composite packaging films, and specifically discloses an anti-fatigue liquid packaging film material and a preparation method thereof. The anti-fatigue liquid packaging film material is a three-layer co-extrusion structure, the outer layer comprises the following components: 100 parts of bimodal high-density polyethylene, 60-90 parts of linear low-density polyethylene, 0.5-2 parts of an anti-scratching agent, 0.3-1 part of micron-sized silicon dioxide and 0.6-2.5 parts of a processing aid A; the core layer comprises the following components: 100 parts of a polyolefin elastomer, 4-12 parts of polybutene-1, 2-5 parts of an ethylene-vinyl acetate copolymer and 0.7-2.1 parts of a processing aid B; and the inner layer comprises the following components: 100 parts of a polyester polymer, 4-6 parts of polyisobutylene, 3-4 parts of an ethylene-acrylic acid copolymer, 1-3 parts of a maleic anhydride grafted polyolefin elastomer and a processing aid C. The film material prepared by the application has excellent anti-fatigue performance.

The invention belongs to the field of insulating materials, and relates to a polar modified polybutylene composition, application and a cable with a thermoplastic insulating layer. The polar modified polybutylene composition is prepared from a homo-polypropylene-acrylate graft polymer and polybutylene-1; the content of the homo-polypropylene-acrylate graft is 20 to 55 weight percent, and the content of the polybutylene-1 is 45 to 80 weight percent; the homo-polypropylene-acrylate graft comprises homo-polypropylene serving as a matrix and an acrylate grafting unit grafted on the homo-polypropylene, wherein the acrylate grafting unit accounts for 1.5-25wt% of the total weight of the homo-polypropylene-acrylate graft; the melt flow rate of the polar modified polybutylene composition under the conditions that the temperature is 230 DEG C and the load is 2.16 kg is 0.1-6 g / 10 min, and the bending modulus of the polar modified polybutylene composition under the conditions that the temperature is 230 DEG C and the load is 2.16 kg is 500-750 MPa. The polar modified polybutylene composition disclosed by the invention has both mechanical properties and electrical properties at a relatively high working temperature, and is suitable for working conditions of high temperature and high operation field intensity.

This invention relates to a polypropylene alloy material with high toughness, high light transmittance, and high haze. The alloy material comprises 69 to 85 parts by weight of polypropylene, 15 to 30 parts by weight of polybutene-1 elastomer, and 0.5 to 1 part by weight of a light diffusing agent. The polypropylene has a melt index greater than or equal to 30 g / 10 min at 230°C and 2.16 kg; the polybutene-1 elastomer has a melt index of 0.1 g / 10 min to 4.0 g / 10 min at 190°C and 2.16 kg. The polypropylene alloy material provided by this invention, through a reasonable combination of high melt index polypropylene, low melt index polybutene-1 elastomer, and light diffusing agent, can obtain a polypropylene alloy material that simultaneously possesses high toughness, high light transmittance, and high haze. This invention also relates to a method for preparing the above-mentioned polypropylene alloy material and its application, as well as an automotive trim part.

The invention relates to a vehicle tire which contains at least in one tread a vulcanizate obtained by sulfur vulcanization of a rubber mixture which contains at least the following components: a) 50 to 100 phr of at least one styrene-butadiene rubber (SBR) and b) 2 to 30 phr of a prevulcanized rubber sealing material homogeneously distributed in the rubber mixture, comprising at least one polybutene with a chlorine content of less than or equal to 5 mg / kg.

The application discloses a production method of dry-process lithium battery diaphragm and application thereof, and belongs to the technical field of lithium battery diaphragm. The production method of the dry-process lithium battery diaphragm is disclosed, polybutene-1 is blended with polypropylene to improve the mechanical property and heat resistance of the diaphragm, high-frequency high-voltage corona discharge is used on the surface of the treated plastic to generate low-temperature plasma, free radical reaction is generated on the surface of the diaphragm to make the polymer crosslink, the surface becomes rough and the wettability of the diaphragm to electrolyte is increased, the surface molecules of the treated surface are oxidized and polarized, ion electric shock erodes the surface, and the surface properties are changed to improve the hydrophilic ability, thereby the liquid absorption rate of the diaphragm is improved, the affinity to organic electrolyte is strong, and the liquid affinity performance is good. The production method disclosed by the application is simple and convenient, environment-friendly, low in cost, high in added value and free of environmental pollution.

The invention belongs to the technical field of high polymer materials and forming processing thereof, and particularly relates to a polybutylene modified polypropylene composite material and a preparation method and application thereof. The polybutylene modified polypropylene composite material provided by the invention comprises the following components in parts by weight: 65-90 parts of block co-polypropylene; 5 to 15 parts of modified polybutylene; 1 to 5 parts of maleic anhydride grafted SEBS; and 5-15 parts of a filling agent. Through the synergistic effect of the components, the polybutylene modified polypropylene composite material disclosed by the invention has the comprehensive properties of low flow mark, high toughness and high adhesive strength, and is expected to be more widely applied in the fields of household appliances and automobiles.

The invention discloses a polybutylene oxygen-barrier pipe master batch, a pipe and a preparation method of the pipe. The polybutylene oxygen-barrier pipe master batch comprises fluorosilane, nano cerium oxide, polybutylene resin and a compatibilizer. Compared with other forming methods for preparing the pipe through three-layer / five-layer co-extrusion, the preparation method of the polybutylene oxygen-resistant pipe is low in raw material cost and simple in forming process. The inorganic filler nano cerium oxide is added, the particle size of nano particles is small, molecular gaps of a polymer can be filled, the porosity of the material is reduced, and a better barrier effect is achieved. The compatibilizer used in the invention has high molecular polarity, so that the molecules are tightly combined to make gas diffusion difficult, the air permeability of the pipe is reduced, and the barrier property of the pipe is improved.

The application provides a plunger type anti-blocking blowdown valve, a blowdown system and a method, relates to the technical field of a reaction kettle blowdown valve, and comprises a blowdown main pipe, a plunger and a blowdown branch pipe; the plunger is provided with a top sealing ring and a bottom sealing ring, two groups of sealing rings are arranged to better block polybutylene from leaking out from between the plunger and the inner wall of the blowdown main pipe, and the defect that a conventional pneumatic plunger blowdown valve is prone to internal leakage is solved; the minimum distance between the top sealing ring and the bottom sealing ring is greater than the distance from the top of the blowdown port to the bottom of the discharge port, that is, when the plunger closes the blowdown port of the reaction kettle, the space between the top sealing ring and the bottom sealing ring is communicated with the blowdown branch pipe, so that the polybutylene remaining in the blowdown valve can be discharged in time; and the plunger protrudes from the bottom surface of the reaction kettle when the blowdown port is closed, so that the polybutylene at the plunger can be disturbed by the stirring equipment of the reaction kettle, and the problem that the plunger and the bottom surface of the reaction kettle have a gap in conventional technologies, so that the polybutylene is caked in the gap, is avoided.

The invention belongs to the technical field of fire extinguishing agents, and particularly relates to a superfine dry powder fire extinguishing agent and a preparation method thereof.The superfine dry powder fire extinguishing agent is prepared from, by mass, 7-10 parts of alkaline residues, 30-40 parts of sodium bicarbonate, 0.5-1 part of talcum powder, 5-8 parts of marlstone, 1-3 parts of xonotlite, 30-45 parts of ammonium sulfate, 3-7 parts of ammonium polyphosphate, 10-20 parts of gypsum, 1-4 parts of tin oxide, 2-5 parts of silicon nitride, 1-2 parts of silicone oil and 0.4-0.6 part of polybutylene. The prepared product is good in fluidity and hydrophobicity, high in caking resistance and high in fire extinguishing performance, and the fire extinguishing time is shortened.

The invention belongs to the field of insulating materials, and relates to a polar modified polybutylene in-kettle alloy, application and a cable. The polar modified polybutylene in-kettle alloy is a polybutylene in-kettle alloy-acrylate monomer grafted copolymer; the content of a grafting unit derived from an acrylate monomer in the polar modified polybutylene in-kettle alloy is 0.5-10 wt%; the content of n-heptane soluble substances is 22 to 78 weight percent; the melt flow rate under the conditions that the temperature is 230 DEG C and the load is 2.16 kg is 0.1 to 6g / 10min; the elongation at break is greater than or equal to 250%; the tensile strength is greater than 18MPa; and the bending modulus is 450 to 750 MPa. The polar modified polybutylene in-kettle alloy disclosed by the invention not only has good insulating property, but also can meet the requirements of middle and high voltage grade cables.

The present invention provides an oily solid cosmetic composition containing plant-based and / or animal-derived waxes that exhibits excellent meltability, smooth glide, and especially high-temperature stability and durability. [Solution] The present invention provides an oily solid cosmetic composition comprising (A) candelilla wax, (B) plant-based and / or animal-based wax having a melting point of 70°C or higher, (C) a monoester of a monovalent linear saturated fatty acid and a monovalent linear saturated fatty alcohol having a total of 40 to 48 carbon atoms, and (D) at least one selected from the group consisting of (polyglyceryl-2 isostearate / dimer dilinoleate) copolymer, hydrogenated castor oil dimer dilinoleate, hydrogenated castor oil isostearate, phytosteryl / octyldodecyl lauroyl glutamate, octyldodecyl stearoyloxystearate, polyglyceryl-10 isostearate, polyglyceryl-10 diisostearate, polyglyceryl-10 decaisostearate, and polybutene.

This disclosure relates to a sealant film comprising one or more polypropylene layers and a sealing layer comprising a polypropylene terpolymer and one or more polymers selected from polybutene-1 or plastomer. The sealant film is a mechanically oriented (MDO) film comprising at least 95% by weight of polypropylene. Also disclosed are multilayer packaging films comprising such sealant films, and hermetically sealed packages (e.g., retort pouches) formed from multilayer packaging films.

The application provides an aluminum-color long-glass-fiber reinforced polypropylene material, a preparation method and a vehicle, relates to the technical field of vehicle exterior parts, and the aluminum-color long-glass-fiber reinforced polypropylene material is prepared from polypropylene, glass fiber, polybutene, EPDM, aluminum powder, an aluminum compound, a salt compound, a compatilizer, a dispersing agent and an anti-aging agent. According to the technical scheme of the application, a specific formula system composed of polypropylene, glass fiber, polybutene, EPDM, aluminum powder, an aluminum compound, a salt compound, a compatilizer and an anti-aging agent is adopted, so that the dual purposes of realizing a high-simulation aluminum color appearance and high-strength structure bearing without spraying are achieved, and the technical problems of traditional long-glass-fiber reinforced polypropylene materials, such as strong plastic feeling, easy peeling of paint film, poor metal texture, high multi-process spraying cost and great environmental protection pressure are solved.

The subject of the application is an oil for hot heat treatment of steel, which contains 80.5% - 92.0% (m / m) of base oil containing I) 20.0% - 60.0% (m / m) of wax - modified lanolin having a kinematic viscosity at 40°C of 485.0 - 598.0 mm2 / s and a pour point of 2°C - 16°C and characterized by a distillation range such that less than 5% V / V distils to 458°C and at least 95% V / V distils to 645°C, II) 20.0% - 45.0% (m / m) of mineral oil having a kinematic viscosity at 40°C of 28.0 - 39.0 mm2 / s and a pour point of -8°C to -18°C and which is characterized by a distillation range such that less than 5% V / V distills to 315°C and at least 95% V / V distills to 470°C, III) 5.0 - 40.0 (m / m) of Brightstock base oil, having a kinematic viscosity at 40°C of 470.0 - 560.0 mm2 / s and a pour point of -5°C to -12°C, and which is characterized by a distillation range such that,that less than 5% V / V distils up to 440°C and at least 95% V / V distils up to 675°C and contains two packages of improvers in the amount of: a) 1.5% - 6.0% (m / m) of a package of improvers containing, calculated on the total weight of this package, 5% - 9.9% (m / m) bis(nonylphenyl)amine and 5% - 9.9% (m / m) sulphurised calcium salts and alkyl derivatives of phenols, mainly dodecylphenol and 0.5% - 0.99% (m / m) tetrapropenylphenol isomers dissolved in mineral base oil, the content of which in the package is from 30% to 60% (m / m), b) 1.5% - 8% (m / m) of a package of improvers containing, in calculated on the total weight of this package, a mixture of 70% (m / m) hydrocarbon resins with 30% (m / m) non-aromatic hydrocarbons obtained from the vacuum residue after distillation of crude oil or by separating the raffinate - oil in the process of deasphalting the vacuum residue, and additionally contains 2 refining additives with different functions, in amounts of c) 0.2% - 4,0% (m / m) of ashless dispersant, type mono- and / or bis-polybutenesuccinimides, with a base number of not more than 18 mg KOH / g and a viscosity at 100°C of not more than 330 mm2 / s, d) 0.2% - 3.0% (m / m) of viscosity modifier - polymer of esters of acrylic acid and methacrylic acid with aliphatic alcohols (C1-C18), dissolved in mineral base oil and with a viscosity of the entire mixture at 100°C in the range from 660 mm2 / s to 980 mm2 / s,