179 results about "Polybutene" patented technology

The invention relates to a polyethylene and silica gel mixed material, a preparation method thereof and application of the polyethylene and silica gel mixed material in a composite optical cable silicon core tube. The composite material comprises the following components in parts by weight: high-density polyethylene, an ethylene-siloxane copolymer elastomer, a maleic anhydride grafted polyolefin elastomer, hydroxylated nano silicon dioxide, liquid paraffin, a crystallization nucleating agent, an ultraviolet light absorber, an auxiliary stabilizer, a processing aid and color master batch. The liquid paraffin is formed by blending dual-molecular-weight paraffin with different carbon chain lengths, and part of the liquid paraffin is grafted and modified by polybutylene so as to enhance the anchoring capacity of the lubricating phase; in addition, nano cellulose crystals grafted by a PEG-PCL (Polyethylene Glycol-Polycaprolactone) block copolymer are introduced, so that the dimensional stability and the interface structure integrity of the material are synergistically enhanced. The composite material has excellent low friction, thermal oxidation stability, creep resistance and ultraviolet aging resistance, and is suitable for preparation of a high-performance composite optical cable silicon core tube.

The invention belongs to the technical field of adhesives, and particularly relates to a hot-melt pressure-sensitive adhesive and a preparation method thereof.The hot-melt pressure-sensitive adhesive is prepared from, by weight, 100 parts of modified styrene-butadiene-styrene block copolymer, 10-20 parts of rosin pentaerythritol ester, 15-20 parts of polybutylene, 0.5-1 part of antioxidant, 1-5 parts of flexibilizer and 0.5-2 parts of filler; wherein the flexibilizer is prepared from 10-20 parts of lactic acid, 1-5 parts of phenylalanine and 5-8 parts of epoxidized soybean oil through a copolymerization reaction. According to the invention, the styrene-butadiene-styrene block copolymer is modified by lactic acid, the epoxidized soybean oil is activated and modified by lactic acid and phenylalanine, and a winding system is formed through the cooperation of the modified styrene-butadiene-styrene block copolymer, the flexibilizer, pentalyn and polybutylene; and finally, forming a uniform system with the antioxidant and the filler, thereby enhancing the toughness and permanent adhesion of the hot-melt pressure-sensitive adhesive.

A multilayer film having a first surface layer of a polyethylene or polypropylene polymer; a tear layer comprising from 70% to 95% by weight of a continuous phase polyethylene polymer and from 5% to 30% by weight of one or more dispersed phase olefin polymers selected from the group consisting of polybutylene, polypropylene, cycloolefin copolymers, EVOH and ionomers; and optionally a second surface layer of a polyethylene or polypropylene polymer. The multilayer film is oriented in the machine direction and is characterized by a ratio of transverse Elmandoff tear strength to longitudinal Elmandoff tear strength of greater than 10. A multilayer film may have a sealing layer added to form a laminate, and the laminate may be used to form a packaging product.

The invention relates to the field of films, in particular to a low-temperature-resistant polypropylene matt film, a preparation method thereof and a cold laminating composite film, the matt film comprises a matt layer, a core layer and a laminating layer which are arranged in sequence; the matt layer comprises 45-55 wt% of polypropylene random copolymer and 45-55 wt% of high-density polyethylene, the core layer comprises homo-polypropylene and 5-10 wt% of poly (1, 4-butylene glycol-1-butylene random copolymer, and the laminating layer comprises homo-polypropylene and 2-5 wt% of n-alkyl maleate grafted modified ethylene-vinyl acetate copolymer. The matt film disclosed by the invention has proper flexibility in a low-temperature environment, proper adhesive force still exists between the fitting layer and the adhesive layer, and the matt film is smooth to wind and unwind during manufacturing and can be used as a base film of a low-temperature-resistant cold laminating film.

The present invention relates to a composition in the form of an oil-in-water bigel and comprising: (1) a (C1-C2 alkyl) acrylic acid / (C1-C2 alkyl) acrylic acid C10-C30 alkyl ester copolymer as an aqueous phase thickener; (2) an oil phase thickener preferably comprising one or more selected from the group consisting of olive oil sorbitol ester, dextrin palmitate and polybutylene; (3) a polyglycerol emulsifier having an HLB value from 0 to 8, preferably from 1 to 8, more preferably from 3 to 8; and (4) a solvent. By using the composition in the form of oil-in-water double gel containing the components, a cosmetic product which simultaneously has a high SPF value, good stability, water resistance and improved skin feeling can be prepared. The invention also relates to a preparation method of the composition and application of the composition for preparing cosmetics, especially sunscreen cosmetics.

To provide a polybutene resin composition from which a molding excellent in initial elongation can be obtained, and a molding thereof.SOLUTION: The resin composition contains a polybutene resin and an additive and has a heat of crystal fusion in the range of 60-140°C of 37.0 mJ / mg or less as measured by a differential scanning calorimeter. The additive is, for example, at least one selected from the group consisting of methyl-cyclodextrin and clathrate compounds containing methyl-cyclodextrin and a polypropylene wax.SELECTED DRAWING: None

Disclosed is a polybutylene terephthalate composition comprising polybutylene terephthalate (PBT), an amorphous polymer having a refractive index of at least 1.55 and free of carbonate groups, an alkali metal carbonate or bicarbonate, optionally glass fibers, and optionally additives, which exhibits significantly enhanced LT compared to polybutylene terephthalate compositions without such carbonate and / or bicarbonate while maintaining a balance of other properties.

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.

What are described are a polymer mixture or polymer blend comprising polybutylene succinate and polybutylene succinate-co-adipate, a composite material or compound comprising polybutylene succinate and polybutylene succinate-co-adipate and / or said polymer mixture or polymer blend and one or more filler constituents, an article and / or single-use article comprising or consisting of said composite material or compound, and processes for producing the aforementioned composite material or compound or the aforementioned article or single-use article. Also described are the use of the polymer mixture or polymer blend for production of said composite material or compound, and the use of the composite material or compound for production of an article or single-use article that is compostable in particular.

A polypropylene composition (I) comprising: (A) at least 90 wt.% of a propylene polymer comprising: (a) from 20 wt.% to 44 wt.% of a propylene-hexene copolymer, (b) from 25 wt.% to 45 wt.% of a propylene-hexene-ethylene terpolymer, (c) from 25 wt.% to 50 wt.% of a propylene-ethylene copolymer; wherein-the melt flow rate of components (a) + (b) + (c) ranges from 3.5 to 12.0 g / 10 min; the propylene polymer (A) has a xylene soluble content ranging from 16.4% to 35.3% by weight, and the propylene polymer (A) has a melting point ranging from 122 DEG C to 132 DEG C, and (B) up to and including 10.0% by weight of polybutene, the amounts of (A) and (B) being based on the total weight of (A) + (B).

The invention describes an environmentally friendly hot melt adhesive based on renewable raw materials. The hot melt adhesive formulation consists of bio-based polyesters, specifically a combination of polylactic acid and polybutylene succinate, as well as resins, plasticizers, and stabilizers. Optionally, further additives can be added, such as waxes, fumed silica, lime, or color pigments. The raw materials used are sustainable, biodegradable, and harmless to the environment. The adhesive exhibits very good adhesion to wood, paper, cardboard, and some predominantly non-polar plastics such as PMMA, ABS, PC, PLA, or PET and can be applied using standard equipment.

The invention provides a fuel composition comprising: (a) a gasoline base fuel suitable for use in a spark-ignition internal combustion engine; and (b) a polybutylene polymer wherein the polybutylene polymer has a number average molecular weight in the range of 200 g / mol to 10,000 g / mol, and wherein greater than 30% of the polymer molecules in the polybutylene polymer have terminal vinylidene groups; and (c) a tetraalkylethane compound of formula (I): # imgabs0 # wherein Ar represents an aryl group and each X is independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted linear or branched C1-C12 alkyl group, (CH2) nOH or (CH2) nNH2 wherein n is in the range of 1 to 9, with the proviso that at least one of the X groups in each CX3 group is a hydrogen atom. The fuel composition of the present invention provides improved engine power and reduced combustion duration.

The invention relates to the field of polymer foam materials, and discloses a polypropylene alloy bead foam material as well as a preparation method and application thereof. The foaming material is prepared from co-polypropylene and homo-polybutylene-1; wherein relative to 100 parts by weight of the co-polypropylene, the content of the homo-polybutylene-1 is 10-25 parts by weight. The preparation method of the polypropylene alloy bead foaming material comprises the step of physically foaming the co-polypropylene, the homo-polybutylene-1 and the auxiliaries. When the foaming material is used for preparing a foaming product, the steam forming pressure is relatively low (0.21-0.25 MPa), and relatively good rigidity and specific strength can be kept.

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 present invention relates to a polyethylene sheet material, the raw material of which is mainly polyethylene particles, the gram weight of the polyethylene sheet material is more than 40g / square meter, and the BET specific area is 9m 2 / gm or more; the mass fraction of polyethylene particles in the polyethylene sheet material is more than 80%; the raw materials also include polyethylene homologues, polypropylene, polyolefins, polybutene-1, poly(4-methyl-1-pentene), polyvinylidene fluoride, or more. The present application has good performance and a wide range of applications.

The invention relates to the technical field of polyolefin copolymers, in particular to a high-hardness high-internal-density polyethylene propylene butylene copolymer and a preparation method thereof. The problems of low hardness and insufficient cohesion of the copolymer in the prior art are solved. The preparation method comprises the following steps: preparing an alkenyl-terminated dimethyl polysiloxane modified propylene matrix to obtain modified polypropylene; carrying out copolymerization on the modified nano calcium carbonate, 1-butene and 2-butene to obtain modified polybutene; the preparation method comprises the following steps: modifying acrylic acid and acrylamide to obtain modified polyethylene, mixing the components according to a specific ratio, carrying out polymerization reaction under the action of a composite initiator, adding melamine formaldehyde resin for crosslinking, and carrying out extrusion molding and heat treatment to obtain the copolymer. Ethylene, propylene and butylene monomers are modified, and siloxane and nano calcium carbonate are added, so that the cohesive energy of the copolymer is improved; and a three-dimensional cross-linked network is constructed by utilizing the synergistic effect of all the modified components, so that the hardness of the copolymer is improved.

The invention discloses a glue manufacturing process, glue, a Bundy wire manufacturing process and a Bundy wire. Relates to the technical field of Bundy wire manufacturing. The glue manufacturing process comprises the following steps: pouring a polybutylene adhesive and purified water into a stirring container for first stirring, and after the first stirring is completed, pouring ammonium hydroxide into the stirring container for second stirring; after the second stirring is completed, a coupling agent and a degreasing agent are poured into the stirring container for third stirring; after the third stirring is completed, the non-phosphorus agent and the emulsifier are poured into the stirring container for fourth stirring, and after the fourth stirring is completed, polyacrylamide is poured into the stirring container for fifth stirring, and the glue is obtained. The glue manufactured by the glue manufacturing process can be applied to the Bundy line, the adhesion effect of the glue is relatively good, and the adhesion degree of the Bundy line can be improved, so that the quality of the Bundy line is improved, and the probability that the Bundy line is loose can be reduced.

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.

This application relates to a biodegradable yarn which exhibits an increased flame resistance. The biodegradable yarn comprises from 25 to 55 weight-%, preferably from 35 to 45 weight-% of viscose fibers or of viscose filaments and from 45 to 65 weight-%, preferably from 50 to 60 weight-%, most preferably 55 weight-% of polybutylene succinate fibers. The viscose fibers or filaments are preferably free of chlorine. Further, the present application concerns a method for manufacturing a biodegradable yarn having an increased flame resistance.

The invention discloses a method for regulating and controlling butylene polymer crystallization through temperature and blending components, and belongs to the technical field of polymer crystallization, the method comprises the following steps: heating a polybutylene / polypentene blend to eliminate thermal history, and carrying out primary cooling to crystallize polybutylene in the blend to obtain an initial crystal; and heating the initial crystal until the initial crystal is molten, and cooling again to obtain the butylene polymer crystal. The invention provides the method for regulating and controlling the crystallization of the butylene polymer through temperature and blending, the blank that the existing polybutylene blend product is less is filled, the polypentene component is added, and the mass fraction of the polypentene in the polybutylene / polypentene blend is regulated, so that the crystallization of the butylene polymer is regulated and controlled. A series of polybutylene / polypentene blends with high crystallization capacity are obtained, the crystallization capacity of polybutylene is improved by changing the melting temperature and the initial crystal form, the crystal form of the polybutylene is regulated and controlled, and a feasible method is provided for rapidly obtaining the stable crystal form of a polymer and improving the processing efficiency.

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.

Disclosed are a polybutylene terephthalate resin composition, a method of preparing the same and a molded article including the same. The polybutylene terephthalate resin composition can provide an excellent physical property balance between mechanical strength and flame retardancy at a level equivalent to or higher than that of a polyester resin composite material containing a halogen-based flame retardant, has excellent processability due to excellent flowability, and is specifically suitable as a material for automotive electronic components.

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 application discloses a preparation method of a three-layer co-extrusion film for cigarette soft box packaging and belongs to the technical field of biaxially oriented polypropylene film. The application provides a film prepared by adopting a three-layer co-extrusion biaxial stretching process, which has a three-layer structure, i.e., an inner layer, a core layer and an outer layer, and the core layer is located between the inner layer and the outer layer. According to 100% of the mass percentage of each layer, the inner layer comprises heat-sealing material 50%-95%, stiffening agent 5%-50%, slip agent 1%-5%, anti-blocking agent 1%-5% and degradation agent 0%-10%; the core layer comprises propylene homopolymer 50%-90%, ethylene acrylic acid copolymer 10%-30%, stiffening agent 5%-35%, antistatic agent 1%-10% and degradation agent 0%-10%; and the outer layer comprises heat-sealing material 50%-95%, stiffening agent 5%-50%, slip agent 1%-5%, anti-blocking agent 1%-5% and degradation agent 0%-10%; the heat-sealing material is composed of ionic polymer, polybutylene resin and ethylene acrylic acid copolymer at a mass ratio of (4-6):(2-4):2. The cigarette soft packaging film provided by the application has high heat-sealing strength, high softness, good optical performance and degradable performance.

The invention belongs to the technical field of high polymer material processing, discloses a polybutylene pipe and a preparation method thereof, and solves the problems of insufficient weather resistance and filler dispersion of a traditional PB pipe through a rare earth sulfide composite light stabilizer, dopamine modified nano layered double hydroxide and a CO2-assisted forming process. The invention aims to provide the polybutylene pipe and the preparation method thereof, so as to solve the problems that the traditional polybutylene pipe is insufficient in weather resistance, is easy to photooxidize and degrade after long-term ultraviolet radiation, is reduced in mechanical property, is poor in nano filler dispersibility and is weak in interface bonding, and the conventional polybutylene pipe adopts multi-layer co-extrusion or a heavy metal stabilizer, so that the cost is low. And the composite material is suitable for harsh outdoor and high and low temperature environments, and is suitable for building water supply and drainage, floor heating systems and outdoor conveying pipelines.

The present invention relates to a pipe material with high heat-resistant creep and shape memory and a preparation method thereof. The pipe material is composed of 100 parts by weight of a polybutene-based resin, 0.1-5 parts by weight of an antioxidant, 0-15 parts by weight of a dye, 0.01-5 parts by weight of an initiator, and 0.02-10 parts by weight of a co-initiator. The pipe material of the present invention can be prepared by a melt extrusion method. The pipe material after melt extrusion has good oil resistance, high temperature creep resistance, and shape memory function, and can be used for long-distance trenchless pipe repair of hot and cold water pipes and oil pipelines.

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 utility model relates to a polybutylene toughened polypropylene random copolymer composite antibacterial pipe. The problems that in the prior art, pipe fitting materials are soft, poor in toughness and prone to hole shrinkage are solved. The pipe fitting comprises a pipe fitting body, a polypropylene antibacterial inner layer is arranged on the inner side of the pipe fitting body in the circumferential direction, a polypropylene random copolymer outer layer is arranged on the outer side of the polypropylene antibacterial inner layer in the circumferential direction, a polybutylene structure middle layer is arranged between the polypropylene antibacterial inner layer and the polypropylene random copolymer outer layer, and a sliding type stretching structure is arranged on the outer wall of the polypropylene random copolymer outer layer in the circumferential direction. Inserting connection assemblies are arranged at the two ends of the pipe fitting body, and the ends of the sliding type stretching structures are connected with the inserting connection assemblies. The utility model has the advantages that the structural toughness and the pressure resistance are good, the drift diameter of the pipe is increased on the premise of ensuring the design pressure, and the water flow is increased.

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.