44 results about "Impact resistance" patented technology

The invention provides a long-fiber enhanced thermoplastic composite material vane used for a wind energy generator, which is composed of a long-fiber enhanced thermoplastic composite material, wherein the long fiber is glass fiber, carbon fiber or the composite fiber of glass fiber and carbon fiber; the content of the long fiber in the vane is 32-75wt%, the reservation length of the long fiber is 2.8-25mm and can form a mutually-tangled three-dimensional net structure characteristics, and therefore the product has a higher impact resistance, and especially has low-temperature impact resistance; the preferable size of the vane manufactured by the injection molding technology is 46-2200mm; the vane surface is provided with a primer layer; and the primer layer is sprayed with a UV (ultraviolet) photocuring light shade surface. In the product, the vane is manufactured by the injection molding technology, and the product has the excellent performances of simple production technology, low cost, long service life, low specific gravity, low-temperature warping deformation resistance, stable size, no water and moisture adsorption, high strength, low-temperature impact resistance, scratch resistance, ultraviolet aging resistance, chemical solvent corrosion resistance and the like.

The invention discloses functional composite coating and a preparing method thereof and belongs to the technical field of coatings. The functional composite coating solves the problems that a corrosion-resisting coating in the prior art is large in thickness, low in elasticity, easy to damage in larger stress impact, poor in friction resistance, poor in marine corrosion resistance, short in service life and unable to be used in a wider temperature range. The composite coating is composed of a base coat, a floating coat and a cover coat, wherein the base coat is composed of a zinc chromate primer and a zinc chromate primer curing agent according to a weight ratio of 8 to 1, the thickness of the base coat is 35-65mum, the floating coat is composed of epoxy resin, an epoxy curing agent, a flexibilizer and a filling agent, the thickness of the floating coat is 0.25-0.45mum, the cover coat is composed of fluorocarbon painting and functional painting according to a weight ratio of 1 to 1, and the thickness of the cover coat is 0.4-0.8mum. The composite coating has excellent corrosion resistance, friction resistance and impact resistance, is small in coating thickness and high in elasticity, can resist high-low temperature change of seawater and can be used in a wider temperature range.

Disclosed are a thermal stabilizer-free thermoplastic resin composition and a method of preparing the same. The thermal stabilizer-free thermoplastic resin composition has superior impact resistance, falling ball impact resistance and gloss without using a separate thermal stabilizer. Particularly, the thermal stabilizer-free thermoplastic resin composition improves production efficiency when applied to a squeezing dehydrator because the thermoplastic resin composition is prepared without using a drying process.

The invention discloses a high-strength environment-friendly composite board which is characterized by being prepared from the following raw materials in parts by weight: 5-10 parts of debregeasia orientalis powder, 5-10 parts of corncobs, 20-30 parts of bamboo powder, 5-10 parts of wollastonite powder, 5-10 parts of brucite fibers, 0.5-1 part of sodium lignosulfonate, 0.5-1 part of polyethylene wax micropowder, 0.1-0.2 part of sodium benzoate, 0.5-1 part of a titanate coupling agent TMC-201 and 10-20 parts of a bonding aid. The composite board has high strength, high toughness and excellent impact resistance, and is strong in water-proof and corrosion-proof performances, good in durability, stable in property, uniform in texture, good in use performance, wide in raw material source, low in price, simple in process, environment-friendly, nontoxic, harmless, economic and practical.

The present invention relates to polypropylene impact copolymer compositions which exhibit improved stiffness without degrading the impact resistance performance. The polypropylene impact copolymer comprises a matrix and a dispersed phase. The matrix comprises a polypropylene homopolymer or a propylene/alpha-olefin random copolymer which comprises more than 50 wt. % of units derived from propylene monomer. The matrix should have a relatively high crystallinity, preferably 50% or greater. The polypropylene homopolymer or a propylene/alpha-olefin random copolymer preferably has a MWD between 4 and 8, such as typically obtained using Ziegler-Natta catalysts. The dispersed phase in the impact copolymer comprises an ethylene-propylene copolymer which comprises from 45 to 70 wt. % of units derived from an ethylene monomer. Preferably the dispersed phase comprises from 20 to 50 percent by weight of the polypropylene impact copolymer.

The invention discloses an oxidation-resistant polymer film with memory function. The oxidation-resistant polymer film with memory function is prepared from carboxylated graphene oxide, nano silicon dioxide, modified kudzu root starch, nano silver, curcumin, proanthocyanidin, vinyl triguaiacyl trimethoxy silane, epoxy soybean oil, nitrile-butadiene rubber powder, tetramethylsilane, dodecylbenzene sulfonic acid, paraffin oil, meerschaum wool, metallocene polyethylene and a polypropylene random copolymer. The polymer film has the advantages of simple components, low cost, no toxicity, no corrosiveness, no impurity, bright surface, impact resistance and tear resistance, is non-combustible, has favorable service performance, and is green and environment-friendly. The polymer film has low ash content, and can enhance the electric properties and high cleanliness of capacitors. The polymer film has excellent heat resistance, is non-combustible, and has high electrochemical activity. The polymer film has high oxidation resistance and stable performance, and thus, can obviously enhance the user stability and service life of the capacitors. The polymer film has the characteristics of high mechanical properties, acid/alkali resistance, corrosion resistance and high recoverability.

The invention relates to the technical field of polymer materials, and concretely relates to a high-rigidity and high-toughness resin material for clothing buttons. The resin material includes unsaturated polyester resin, styrene, acrylate, rigid toughened mother powder, polyamide wax, a pearlescent pigment, an ultraviolet absorber, a promoter, an initiator and an antioxidant, wherein the rigid toughened mother powder is a special high-hardness elastomer material; the ultraviolet absorber is one of an ultraviolet absorber UV-327, an ultraviolet absorber UV-P and an ultraviolet absorber UV-9; the promoter is cobalt isooctylate or cobalt naphthenate; the initiator is methyl ethyl ketone peroxide; and the antioxidant is an antioxidant 1076, an antioxidant 164 or an antioxidant TNP. The buttons made of the resin material have the advantages of high toughness, difficulty in fracture, good rigidity and outstanding impact resistance.

The invention relates to the field of transformers, and provides a continuous dry-type transformer winding with free arrangement in the radial direction and a processing method thereof. The continuousdry-type transformer winding comprises an electromagnetic wire and an insulating inner cylinder, wherein the electromagnetic wire is wound on the insulating inner cylinder, the winding is a structurethat the electromagnetic wire is freely arranged in the radial direction and continuously wound on the whole in the axial direction, and the electromagnetic wire and the insulating inner cylinder areintegrally cast by resin. According to the winding method, the electromagnetic wire is wound from the winding starting end to the other side and is continuously wound on the whole in the axial direction, the electromagnetic wire is freely stacked on a winding die to form the radial height of the winding, and inter-layer insulation or inter-turn insulation is not required to be placed. According to the invention, the production efficiency is greatly improved, and materials are saved; meanwhile, the space occupancy rate of the wire in the winding is increased, the structure is simple, the winding is simple and convenient, the mechanical performance is good, the impact resistance is strong, the axial voltage gradient distribution is uniform, the inter-turn potential difference is small, thepartial discharge capacity is low, and the electrical performance is greatly improved.

A high-stationarity articulated stake for the navigation lamp is composed of lamp, floating chamber consisting of at least one floating body made of elastic foam core and elastic armour, and a central tube passing through said floating body, a sunk stone, and a short chain for linking the lower end of said central tube to sunk stone. Its advantages are high impact resistance, stability and anticorrosion nature.

The invention discloses a high-impact flame-retardant reinforced PC/ABS alloy material and a preparation method thereof. The PC/ABS alloy material comprises the following components in parts by mass:42.8-68.9 parts of polycarbonate, 20 to 30 parts of ABS, 10 to 20 parts of a glass fiber filler, 0.3 to 0.8 part of a coupling agent, 3.0 to 7.0 parts of a toughening agent, 0.2 to 1.0 part of a flameretardant, 0.1 to 0.5 part of an anti-dripping agent, 0.4 to 1.0 part of an antioxidant, and 0.2-1.0 part of a lubricant. The glass fiber reinforced PC/ABS alloy material has the advantages that theprepared glass fiber reinforced PC/ABS alloy material has the characteristics of high impact resistance and high flame retardancy, meets the requirements of materials in the electronic and electric appliance industry, can improve the mechanical strength of parts, and also can achieve the effects of high impact resistance and high flame retardancy; compared with traditional glass fiber reinforced polycarbonate, the high-impact flame-retardant reinforced PC/ABS alloy material can achieve more ideal rigidity and toughness balance, and has the advantages of simple preparation process, lower cost and easiness in large-scale industrial production.

The invention discloses damp-proof light plastering gypsum capable of releasing negative oxygen ions, and a preparation method of the plastering gypsum. The plastering gypsum comprises the following components in parts by weight: 60-85 parts of a beta semi-hydrated gypsum component, 8-15 parts of a light aggregate component, 0-5 parts of a pH regulator component, 0.1-0.5 part of a water-retainingagent component, 0.01-0.1 part of a modifier component, 0.05-0.5 part of a waterproof agent component, 0.1-0.4 part of a retarder component, and 1-10 parts of a negative oxygen ion powder component. The plastering gypsum provided by the invention not only has all the properties of flame retardance, environmental protection, heat insulation, sound absorption, impact resistance and the like of traditional plastering gypsum, but also has the functions of moisture prevention and negative oxygen ion release.

The invention relates to ultralight bulletproof cloth and a manufacture method thereof, and belongs to the technical field of textile materials and protection materials. The manufacture method includes taking modified carbon fiber filaments as central core threads, taking modified ultra-high molecular weight polyethylene as a middle coating layer, taking cellulose acetate fibers as an outer coating layer, and preparing covering yarns; blending modified aramid fibers 1414, the modified ultra-high molecular weight polyethylene, graphene fibers and the cellulose acetate fibers to acquire blended yarns; spinning the covering yarns and the blended yarns into the ultralight bulletproof cloth by a spinner, wherein warp yarns are arrayed sequentially according to the principle that one covering yarn is matched with one blended yarn, and weft yarns are arrayed sequentially according to the principle that one covering yarn is matched with two blended yarns. The ultralight bulletproof cloth and the manufacture method thereof have the advantages that full polymer modified materials are adopted, and the carbon fiber framework design is introduced, so that strength, tenacity and impact resistance are high, penetration of low-speed bullets, bomb fragments and the like can be resisted effectively, and safety of human bodies can be guaranteed.

The invention discloses a wave-absorbing breathable environment-friendly molding. The wave-absorbing breathable environment-friendly molding is prepared from the following raw materials in parts by weight: 5 to 9 parts of calcium borate, 55 to 65 parts of high-strength gypsum, 14 to 18 parts of fibrilia, 6 to 8 parts of polyester fiber, 10 to 16 parts of adsorbed filled earth, 1 to 2 parts of terbium oxide, 1 to 2 parts of iron oxide, 8 to 12 parts of inorganic filler, 10 to 14 parts of flame retardant additives and 12 to 18 parts of an adhesive. The wave-absorbing breathable environment-friendly molding disclosed by the invention has the excellent characteristics of good wave-absorbing effect, light quality, high mechanical strength, breathability and no cracking; in addition, the molding has the advantages of smooth surface, good toughness and impact resistance, the function of adsorbing harmful substances in the air, and relatively-excellent flame retardancy and dimensional stability; meanwhile, the preparation method disclosed by the invention has the advantages that the low cost of materials is relatively low raw materials are easy to obtain, and the process is simple; the molding for decoration has a relatively-high practical value and a good application prospect.

The invention relates to high-weatherability anti-corrosive paint, which is mainly applied to an iron tower assembly. Raw materials of the paint mainly comprise organic silicon resin and fluorine or fluorine surface active agents. The iron tower assembly comprises an assembly body, wherein a zinc-containing layer and a composite layer are arranged outside the body, and the composite layer comprises organic silicon resin mixed with the fluorine or the fluorine surface active agents, i.e. the composite layer is the high-weatherability anti-corrosive paint. The high-weatherability anti-corrosive paint and the iron tower assembly disclosed by the invention are characterized in that the paint is applied to the outer surface coating of steel (iron) materials, because the organic silicon rein and the fluorine or the fluorine surface active agents are adopted as major parts of the raw materials, the ultravioresistant capability is greatly improved, in addition, the attaching force is good, the waterproof capability is good, and the iron tower assembly is difficult to age and corrode and has strong impact-resistance capability in outdoor use environment for a long time.

The invention relates to a food packaging bag and a preparation method thereof and belongs to the field of plastic product processing. The food packaging bag is prepared from, by weight, 60-90 parts of polypropylene, 0.5-4 parts of coupling agent, 1-5 parts of filler, 3-12 parts of starch, 5-15 parts of cellulose, 4-7 parts of vermiculite power, 2-8 parts of insect repellant, 1-7 parts of preservative and 1-3 parts of flexibilizer. The food packaging bag is high in mechanical strength, resistant to stretching, low in mass and good in anti-tear performance, and meanwhile has good low-temperature impact resistance; by adding the insect repellant, the food bag has the effects of resisting mildew and repelling insects, and the raw materials are easy to obtain, purely naturally, safe and environmentally friendly; the preparation method is simple, the cost of the raw materials is low, the requirement on mechanical equipment is not high, large-scale application and popularization are easy, and good economic benefits are achieved.

The invention discloses a diamond composite sheet and a preparation method thereof. The method comprises the following steps: plating a layer of metal cobalt on the surface of diamond micro-powder inadvance to obtain the diamond micro-powder with the metal cobalt plated on the surface; filling a metal cup or a carbon mould with the diamond micro-powder with the metal cobalt plated on the surfaceand a hard alloy substrate, and performing vacuum treatment on an assembled component; and filling a sintering mould with the component which is subjected to the vacuum treatment, and sintering to thediamond composite sheet. According to the diamond composite sheet and the preparation method thereof, the problems that the strength, the impact resistance, the toughness and the wear resistance of the diamond composite sheet of the diamond composite sheet are not high because the metal cobalt is distributed unevenly in the existing diamond composite sheet are solved.

The invention discloses a film-coated plate with a high-strength impact function, and belongs to the field of films. The film-coated plate with the high-strength impact function comprises a base plate, an annular groove is formed in the outer end of the base plate, a cut-off opening is formed in the inner end of the annular groove, the upper end and the lower end of the base plate are both connected with film covering assemblies, and the outer sides of the film covering assemblies are both matched with the annular groove and the cut-off opening; and each film covering assembly comprises a protective film. An annular groove and a cut-off opening are formed in the outer end of the base plate in advance, so that after the base plate is covered with the film covering assembly, edge closing can be conducted on the film covering assembly through the annular groove and the cut-off opening, the film covering assembly can be effectively bonded with the base plate, the phenomena of warping and edge curling in the later period are effectively avoided the film laminating quality is improved, the service life of the film-coated plate is prolonged, the two layers of protective films are subjected to texture staggered film laminating, the deformation strength of the protective films is effectively improved, the impact resistance of the base plate is improved, and the use performance of the film-coated plate is improved.

The invention discloses an attractive, elegant and high-impact-resistance automobile trim material. The attractive, elegant and high-impact-resistance automobile trim material is prepared from, by weight, 30-35 parts of bamboo fibers, 2-3 parts of antimonous oxide, 5-7 parts of shell powder, 10-12 parts of waterborne polyurethane, 0.2-0.4 part of silane coupling agent kh570, 1-2 parts of polyethylene wax, 10-13 parts of polyvinyl alcohol, 100-105 parts of polylactic acid, 60-68 parts of dimethylacetamide, 30-35 parts of dimethyl sulfoxide, 9.4-10.2 parts of shale stone, 3.5-4.5 parts of hydroxyethylmethylcellulose, 5.5-6.5 parts of strontium carbonate, 7.9-8.7 parts of dry coconut shell powder and a proper amount of deionized water. A preparation method is simple and controllable and low in production cost, and the material has the advantages of being good in stability, attractive, elegant, good in impact resistance, high in strength, resistant to fire and abrasion and the like, and is worthy of being popularized.

The invention discloses a flame-retardant finish paint for furniture. The flame-retardant finish paint comprises a main agent, a curing agent and a diluent, wherein the main agent comprises the following raw material components in parts by weight: 30-38 parts of amino resin, 24-32 parts of acrylic resin, 12-18 parts of vinyl acetate, 0.2-0.6 part of a defoaming agent, 2-5 parts of a flame retardant, 0.4-0.9 part of a dispersant and 0.2-0.4 part of a thixotropic agent; the curing agent comprises the following raw material components in parts by weight: 25-32 parts of a toluene diisocyanate trimer, 14-20 parts of imidodicarbonic acid diamide, and 8-15 parts of butyl acetate; the diluent comprises the following raw material components in parts by weight: 20-27 parts of ethanol, 5-9 parts of paraffin oil, and 32-40 parts of ethyl acetate; and a mass ratio of the main agent, the curing agent and the diluent is 1:(0.25-0.4):(0.55-0.65). The invention provides the flame-retardant finish paintfor furniture which has the following beneficial effects: the finish paint is applied to timber furniture, has very excellent flame-retardant performance, does not contain toxic organic volatiles, belongs to an environment-friendly coating, and is high in impact resistance and excellent in overall performance.

The invention relates to a preparation method of composite filler for improving the impact resistance of plastic. The filler is prepared by using the following method comprising the following steps: attapulgite treatment, montmorillonoid treatment, mixed soil modification, carbonizing and coupling. Through adsorption and connection action of the composite filler, the situation that tensile strength and the like of a material are obviously reduced as cracks are formed by remarkable increment of craze can also be avoided, and after compounding, a good increasing effect on the flame retardance ofthe material is also obtained.