533results about How to "Improve impact resistance" patented technology

Disclosed is a gas barrier multilayer film having excellent gas barrier properties, transparency and excellent impact resistance. Also disclosed is a method for producing such a gas barrier multilayer film. Specifically disclosed is a gas barrier multilayer film wherein a vapor deposition film of an inorganic oxide is formed on a base and a gas barrier coating film is formed on the vapor deposition film. Such a gas barrier multilayer film is characterized in that a side of the base on which the vapor deposition film is to be formed is subjected to a pretreatment or a primer coating treatment and the gas barrier coating film is formed by applying a gas barrier coating liquid on the inorganic oxide film and then heating the thus-applied coating liquid.

A fiber reinforced polypropylene composite headliner substrate panel. The headliner substrate panel is molded from a composition comprising at least 30 wt % polypropylene based resin, from 10 to 60 wt % organic fiber and from 0 to 40 wt % inorganic filler, based on the total weight of the composition, the headliner substrate panel having an outer surface and an underside surface. A process for producing a headliner substrate panel for a vehicle is also provided. The process includes the step of molding a composition to form the composite headliner substrate panel, the headliner substrate panel having at least an outer surface and an underside surface, wherein the composition comprises at least 30 wt % polypropylene, from 10 to 60 wt % organic fiber and from 0 to 40 wt % inorganic filler, based on the total weight of the composition.

The present invention includes a laminate and formation of a laminate having at least one layer of an ionomer and at least one layer of an acid polymer or blend of acid polymer and a thermoplastic polyolefin that can be thermoformed to form a shaped laminate. The shaped laminate can then be contacted with a plastic substrate such as a thermoplastic polyolefin to form a composite article by such means as, for example, injection molding. The laminate can be pigmented to eliminate the need to paint the surface of the plastic substrate. Impact and scratch resistant articles can be formed from the laminated substrate such as automotive parts, appliance body parts and sporting equipment.

An organic light emitting diode display includes a panel assembly for displaying an image and a first surface stress enhancing member arranged on a rear surface of the panel assembly. In one embodiment, the organic light emitting diode display includes a second surface stress enhancing member arranged on a front surface of the panel assembly. In anther embodiment, the organic light emitting diode display includes a lower bezel arranged on a rear surface of the first surface stress enhancing member and a shock absorption tape arranged between the first surface stress enhancing member and the lower bezel. The structure of the organic light emitting diode display efficiently prevents damages caused by an external impact.

An aerogel composite comprises a support comprising a melamine-formaldehyde copolymer, wherein the support comprises a plurality of micro-openings, and an aerogel matrix disposed in the micro-openings.

The invention is applicable to the technical field of building materials, and provides a concrete and a preparation method of the concrete. The concrete comprises a cementing material, river sands, a super plasticizer, water, steel fibers and polypropylene fibers. The concrete of the invention has a gradation synergetic effect by utilizing mixed graded steel fibers, so as to greatly improve compressive strength and bending strength, crack resistance and impact resistance of concrete; and the concrete overcomes early-stage microcrack problem of concrete via fine polypropylene fibers, and mainly improves toughness of concrete via coarse polypropylene fibers, so as to realize the advantages of concrete such as high compressive strength and bending strength, high crack resistance, and good durability. The concrete preparation method is easy in operation and low in cost, and is very suitable for industrial production.

The invention discloses an aqueous epoxy modified alkyd resin and a preparation method thereof, and belongs to the chemical technology field. According to the aqueous epoxy modified alkyd resin, an epoxy resin serves as a modified material, an epoxy ester is synthesized through the reaction of the epoxy resin and a fatty acid, and the aqueous epoxy modified alkyd resin with good mechanical properties, water solubility, stabilities and rot resistance is synthesized through ester exchange of the epoxy ester and the alkyd resin. The aqueous epoxy modified alkyd resin is applied in aqueous industrial anticorrosion coatings, the manufactured aqueous industrial anticorrosion coatings have high adhesive force and hardness, good impact resistance and the like, no solvent exists in an aqueous industrial anticorrosion coating system, the discharge amount of volatile organic compounds (VOC) is low, and performances can reach or exceed performance indexes of similar solvent coatings. The aqueous epoxy modified alkyd resin has the advantages of being energy saving, environment friendly, capable of improving safeties of transportation and construction and suitable for large-scale popularization and application.

The invention relates to the technical field of display, in particular to a support structure and a display device. The support structure is arranged at one side of a flexible display panel, and at least comprises a first bendable region; a bending axial line corresponding to the first bendable region extends in the first direction; the first bendable region is provided with a plurality of first main bending regions and a plurality of first deformation compensation regions; the first main bending regions and the first deformation compensation regions are alternately distributed in the first direction; each first main bending region comprises a plurality of first main strip-shaped holes in array distribution; the first main strip-shaped holes extend in the first direction; each first deformation compensation region comprises a plurality of groups of first hollow patterns in array distribution; each group of first hollow patterns are formed by combining a plurality of hollow holes; and at least two hollow holes in the plurality of hollow holes have different shapes or different extending directions. Through such a design, the structure stability of the support structure is ensured; and the anti-impact and bending-resistant performance of the flexible display panel is enhanced.

The invention discloses a high impact polyphenylene sulfide alloy material and preparing method, which comprises the following steps: allocating with mass ratio as 30-55% polyphenylene sulfide, 5-20% polycaproamide, 30-50% glass fiber, 2-8% inclusive agent, 0. 2-0. 5% anti-oxidant and 0. 1-2% other auxiliary agent; mixing; adding into twin-screw extruder; controlling the temperature at 250-280 deg. c; controlling the rotary speed of the bolt at 400-500rpm; pelleting; getting the product. This invention possesses high impact strength, high modulus and high-intensity, which can modify the defects of the material.

The present invention relates to a low gloss polypropylene composition and a preparation method thereof. The low gloss polypropylene composition comprises the following blended components, by weight, 100 parts of polypropylene and 1-20 parts of an extinction modifier, wherein the extinction modifier comprises a powder rubber and grafted polypropylene, the powder rubber is a fully vulcanized powder rubber with an average particle size of 20-2000 nm and a cross-linked structure, gel content of the rubber is 60 wt% or higher, the grafted polypropylene is maleic anhydride grafted polypropylene, a maleic anhydride grafting ratio is 1-5%, and a weight ratio of the powder rubber to the grafted polypropylene is 1:(0.2-1). The low gloss polypropylene composition of the present invention has good toughness and low gloss. The preparation method of the present invention has characteristics of simple process, easy condition control, and strong applicability. In addition, the composition of the present invention can be used for automotive interior trims, household appliance shells and the like.

The invention discloses a preparation method of an impact-resistant artificial leather, comprising the following steps of: stirring 100 parts of polrvinyl chloride resin, 30-100 parts of plasticizer, 10-80 parts of filler, 0.5-1 part of lubricant, 2-5 parts of heat-resistant stabilizer, 3-5 parts of pigment, 1-10 parts of regulating agent and 3-15 parts of processing agent for 100-200 seconds at the temperature of 120-130DEG C through a high-speed dispersing mixer; charging the mixture obtained in the former step into an internal mixer to mix for 200-300 seconds at the temperature of 130-150DEG C; and charging the product obtained in the former step into a rubber fining mixer for plastication for 10-20 minutes at the temperature of 120-130 DEG C; calendaring into a sheet material with 0.3-0.5mm by a calendar at the temperature of 150-170 DEG C, and fitting the sheet material and a calendaring base material, wherein a fitting pressure is larger than or equal to 1T; and charging into a foaming machine and heating to 190-205 DEG C, foaming, embossing and shaping in a cooling way. The surface of the impact-resistant artificial leather prepared by the method is good in an impact-resistant effect, so that the application range of the impact-resistant artificial leather prepared by the preparation method in the shoemaking and the ball products can be effectively expanded.

Provided is a high strength hot-dip galvanized steel sheet having a tensile strength of at least 1180 MPa and excellent impact resistance and bending workability, wherein: the steel sheet satisfies a specific alloy composition; the steel sheet is obtained from 0-10% area ratio of ferrite, 15-60% area ratio of martensite, 20-50% area ratio of tempered martensite, and 20-50% area ratio of bainitic ferrite; the respective mean grain sizes of the massive martensite, tempered martensite, and bainitic ferrite are 15 Miu or less; the value obtained by subtracting the tempered martensite area ratio from the bainitic ferrite area ratio is 20% or less; in the total martensite area ratio, the area ratio of martensite for which the neighboring phase is obtained solely from martensite is 5% or less; and the value obtained by subtracting the Vickers hardness at a depth of 20 miu from the steel sheet surface from the Vickers hardness at a depth of 100 Miu from the steel sheet surface is 30 or more. Also provided is a manufacturing method therefor.

An endoscope tip part has impact resistance even when applied to a thin endoscope, and the light distribution characteristics thereof can be improved even at a wide angle of view. An endoscope tip part includes a tip part main body that is attached to the tip of an insertion section of an endoscope and a positive-power transparent-plastic tip lens that is integrated with the tip part main body through two-color molding. The tip lens is a lens that is located closest to an object, among optical elements constituting an illumination optical system of the endoscope, and the tip part main body is provided with an insertion hole into which two positive-power rear lenses that will be disposed behind the tip lens are inserted.

Provided is a polycarbonate-based resin composition, including, with respect to 100 parts by mass of (A) a resin mixture formed of 30 to 100 mass % of a polycarbonate-polyorganosiloxane copolymer (A-1) having a structural unit represented by the general formula (I) and a structural unit represented by the general formula (II), and having an average number of repetitions n of an organosiloxane constituent unit in the general formula (II) of 50 to 500, and 0 to 70 mass % of an aromatic polycarbonate (A-2) except the copolymer (A-1), 1 to 5.5 parts by mass of (B) a polyorganosiloxane-acrylic composite rubber, the composition having a viscosity-average molecular weight of 17,000 to 23,000. Also provided is a molded article thereof.

A cyclic olefin based resin composition which includes: a cyclic olefin based resin (A); a modified cyclic olefin based resin (B) prepared by grafting and/or copolymerizing an unsaturated carboxylic acid or an unsaturated carboxylic acid anhydride to the cyclic olefin based resin (A); an olefinic elastomer (C); and a modified polyolefin (D) having an epoxy group, and in which a weight ratio of the component A to the component B, i.e. A/B, is in the range of 98/2 to 2/98, a weight ratio of the component C to the component D, i.e. C/D, is in the range of 98/2 to 2/98, and a ratio of the total weight of components A and B to the total weight of components C and D, i.e. (A+B)/(C+D), is in the range of 95/5 to 50/50. A molding composed of the cyclic olefin based resin composition is excellent in impact resistance, resistance to flaking off, and the like.

Disclosed are a battery pack and a method of manufacturing the same, in which a case accommodating a core pack including a bare cell and a protection circuit member is integrally formed as a single body by using a foam, thereby improving impact resistance of the core pack and improving working efficiency and productivity without the need of an adhesive coating step. The battery pack includes a core pack including a bare cell and a protection circuit member attached to one side of the bare cell, a case formed of a foam and accommodating the core pack, and a shielding layer formed on a surface of the protection circuit member.

A chemical mechanical polishing pad is suitable for polishing at least one of semiconductor, optical and magnetic substrates. The polishing pad has a high modulus component forming a continuous polymeric matrix and an impact modifier within the continuous polymeric matrix. The high modulus component has a modulus of at least 100 MPa. The impact modifier includes a low modulus component having a modulus of at least one order of magnitude less than the high modulus component that increases the impact resistance of the polishing pad.

The invention relates to the technical field of plastic additives, in particular to a weather-proof and low temperature-resistant organosilicone impact modifier as well as a preparation method and application thereof. The weather-proof and low temperature-resistant organosilicone impact modifier comprises an inner core layer, a grafting layer and a shell layer from inside to outside, wherein the inner core layer is formed by polymerizing organo-siloxane monomers, the grafting layer is formed by polymerizing soft monomers with low glass transition temperature, and the shell layer is formed by polymerizing hard monomers with high glass transition temperature. The weather-proof and low temperature-resistant organosilicone impact modifier is excellent in weather fastness, high in low temperature resistance, good in impact resisting effect, and excellent in impact resistance under low temperature.

A plastic lens plastic includes a plastic substrate (1) having a first main surface that is a convex surface (1A) and a second main surface that is a concave surface (1B), a photochromic compound-containing photochromic layer formed on the convex surface side of the substrate, and an impact-absorbing primer layer formed on the concave surface side of the substrate.

Disclosed is a method for preparing a thermoplastic resin with superior impact resistance, chemical resistance and processability as well as excellent gloss and whiteness. The method includes emulsion-polymerizing a conjugated diene compound monomer to prepare a rubber latex having an average particle diameter of 1,800 Å to 5,000 Å, a polymerization conversion ratio of at least 90% and a swelling index of 12 to 40, an average gel content of 70 to 95%, emulsion-polymerizing 45 to 75 parts by weight of the rubber latex with 17 to 40 parts by weight of an aromatic vinyl compound and 4 to 20 parts by weight of a vinyl cyanide compound to prepare a graft copolymer latex, and coagulating the graft copolymer latex with a coagulant at 60 to 80° C., and aging the graft copolymer latex at 80 to 99° C. to obtain a graft copolymer powder.

The invention provides a manufacturing method of an ultrasonic transducer so as to achieve the purpose, which is characterized by comprising the following steps: (1) cutting piezoelectric ceramics into array elements, and bending the piezoelectric ceramics into a concave shape; (2)respectively bonding two circuit boards on the right side and the reverse side of an aluminium block, and aligning one end of a circuit board circular arc to a central circular arc line of the concave of the piezoelectric ceramics, with both centers of circles superposed and both curvature radii differing by about 5 mm; (3) welding one end of an electrode wire on a welding pad at one end of the circuit board circular arc, and welding the other end of the electrode wire on a welding spot of an array element signal electrode surface of the piezoelectric ceramics; and (4) filling the concave space of the piezoelectric ceramics and the welded part of the electrode wire with an elastic polymer material mixture by a casting method, namely carrying out backing casting. The manufacturing method can greatly improve the fastness and the reliability of the welding spot and the shock resistance of the transducer, and has a very obvious effect on resisting expansion caused by heat and contraction caused by cold.

The invention relates to an anti-collision guardrail with internally inlaid metal materials, which comprises metal materials and a guardrail made of wood plastics or PVC or PP or PE or glass plastics or rubber materials, and metal materials are inlaid in a W-shaped anti-collision guardrail plate.

To provide a piezoelectric actuator whereby impact resistance can be greatly improved without complicating the design or causing a reduction in drive efficiency.

When a piezoelectric actuator 31 is incorporated into a main plate 14, an arm part 513 of a vibrator 50 is disposed across from a protrusion 144 via spaces SP1, SP2 having specific dimensions. With the presence of these spaces SP1, SP2, a free end FR moves freely within the spaces SP1, SP2 during driving, but a vibrating part 511 is captured at the free end FR by the protrusion 144 when external impact is applied, and the vibrating part 511 can therefore be prevented from moving beyond the dimensions of the spaces. Resistance against impact from falling can thereby be easily and greatly improved without reducing the drive efficiency, and the usual difficulty of reconciling both drive efficiency and impact resistance can be resolved.

The invention discloses a polycrystalline diamond-hard alloy composite rock breaking button down-the-hole bit and a manufacturing process thereof. The bit comprises a hard alloy button main body (1), and at least one polycrystalline diamond is arranged in the hard alloy button main body (1). The polycrystalline diamond is a polycrystalline diamond short cylinder (2) which is arranged in a hole of the hard alloy button main body (1); and the polycrystalline diamond short cylinder (2) has the length and diameter dimension of 1-50mm*phi 1-30mm. The manufacturing process comprises the following steps of: obtaining a down-the-hole bit steel body in needed dimension through a machining mode; fixing the hard alloy button main body of the polycrystalline diamond-hard alloy composite button in the hole of the down-the-hole bit steel body; and fixing the composite button of the down-the-hole bit steel body, performing post-treatment, inspecting the quality, packaging and discharging. Therefore, the manufactured polycrystalline diamond-hard alloy composite button down-the-hole bit has high capacity of impacting and breaking rocks.

A multilayer article that includes a first polymer foam layer; a second polymer foam layer; and a carbon layer located between the first polymer foam layer and the second polymer foam layer. An article, such as a helmet, can comprise the multilayer article.

The invention provides an organic silicon acrylic acid modified waterborne epoxy emulsion and a preparation method thereof. The core layer consists of low-grade bisphenol A epoxy resin, reactive diluent, epoxy silane, a reactive emulsifier, an initiator, an assistant and an acrylic acid monomer; the shell consists of vinyl siliane, an acrylic acid monomer, a reactive emulsifier, an assistant, an initiator and de-ionized water. The obtained organic silicon acrylic acid modified waterborne epoxy emulsion is small and even in particle size and excellent in stability, is excellent in mechanical strength, environment-friendly and energy-saving after being formed to be films. The dry film matched with modified amine curing agent via the modified waterborne epoxy emulsion can reach the level of close to the film property of solvent-type epoxy resin.

The invention discloses a pyridine degradable bacteria and application thereof. The pyridine degradable bacteria are Shinella zoogloeoides BC026 CGMCC No.2224. Applying the inventive Shinella zoogloeoides BC026 in decomposition of pyridine in drain system, not only high decomposition efficiency is obtained, but also the inventive Shinella zoogloeoides BC026 has characteristic of distillage recycle, can exert important function in drain processing, impact endurance of the system is enhanced.

The invention provides a battery holder, a battery receiving case, a battery pack, an electricity accumulation system, and an electronic instrument. The battery holder comprises a plurality of battery unit accommodating parts for accommodating battery units. Each deformation part and each space part are formed between outer peripheral surfaces of two battery unit accommodating parts, wherein the deformation parts generate elastic deformation due to transmission of external shocks, and the space parts is used for allowing elastic deformation of the deformation parts.

The invention discloses a synchronous denitrification and dephosphorization sewage treatment device for an immobilized microorganism CASS (cyclic activated sludge system). The synchronous denitrification and dephosphorization sewage treatment device comprises a pond. A water inlet tube is arranged at one end of the pond, a water outlet tube is arranged at the other end of the pond, a hollow gridding reaction box is disposed in the pond, immobilized microorganism carriers are arranged in the hollow gridding reaction box, and an aeration device is arranged at the bottom of the pond. The synchronous denitrification and dephosphorization sewage treatment device aims to overcome shortcomings in the prior art, is simple in structure, and is efficient and stable.

The invention discloses a rubber-like copolymer particle and preparing method for transparent rubber modified styrene resin compound composite, which is characterized by the following: comprising 20-80 wt core layer copolymer and 80-20 wt shell layer copolymer; setting the grain size of the core layer copolymer at 100-1000nm; setting the core layer copolymer as 5-50 wt styrene monomer and 95-50 wt diene monomer; setting gel content of the core layer copolymer latex as 65-85%; setting the shell layer copolymer as 10-70 wt styrene monomer and 90-30 wt (metyl group) acrylic ester monomer; adjusting composite, grain size, grain size disperse, gel content of the core layer copolymer and composite of rubber-like copolymer particle; making the transparent rubber modified styrene resin with good transparency and shockproof property.