466 results about "Industrial material" patented technology

This invention relates to processes and systems of rapid prototyping and production. Its features includes flexible material deposition along tangential directions of surfaces of a part to be made, thereby eliminating stair-shape surface due to uniform horizontal layer deposition, increasing width of material deposition to increase build up rate, applying the principles of traditional forming/joining processes, such as casting, fusion welding, plastic extrusion and injection molding in the fabrication process so that various industrial materials can be processed, applying comparatively low cost heating sources, such as induction heating and arc-heating. Additional features include varying width and size of material deposition in accordance with geometry to be formed and applying a differential molding means for improved shape formation and surface finishing.

A new shape changing staple and instrument for the fixation of structures to include bone tissue and industrial materials. This new staple stores elastic mechanical energy to exert force on fixated structures to enhance their security and in bone affect its healing response. This staple once placed changes shape in response to geometric changes in the materials structure, including healing bone tissue. The staple is advanced over prior staples due to its: 1) method of operation, 2) high strength, 3) method of insertion, 4) compressive force temperature independence, 5) energy storing staple retention and delivery system, 6) compatibility with reusable or single use product configuration, 7) efficient and cost effective manufacturing methods, and 8) reduction in the steps required to place the device. In addition to the staple's industrial application an embodiment for use in the fixation of the musculoskeletal system is shown with staple, cartridge, and extrusion handle.

A polyamide characterized in that the polyamide is obtained by thermal polycondensation of (a) dicarboxylic acid components comprising 10 to 80% by mole in total carboxylic acid components of 1,4-cyclohexanedicarboxylic acid having a trans/cis molar ratio of 50/50 to 97/3 and (b) an aliphatic diamine component is disclosed. The alicyclic polyamide having 1,4-cyclohexanedicarboxylic acid in a backbone thereof as a dicarboxylic acid unit, which is suitable as materials for various uses such as automotive parts, electric/electronics parts, industrial materials, engineering materials and daily household goods, and superior in heat resistance, low water absorption, light resistance, moldability and light weight, as well as superior in toughness, chemical resistance and appearance, and molded articles thereof.

A functional styrene-butadiene copolymer is disclosed. More specifically, the copolymer is prepared by radical polymerization of a styrene monomer, a butadiene monomer and an epoxy acrylate monomer in an emulsion state and ring-opening of the resultant styrene-butadiene-epoxy acrylate copolymer. When blended with silica, the disclosed copolymer provides excellent wet stopping performance and superior wear resistance. Therefore, it can be usefully applied for industrial materials including fuel-efficient tires, snow tires, belts, hoses, etc.

PCT No. PCT/JP97/01387 Sec. 371 Date Dec. 11, 1997 Sec. 102(e) Date Dec. 11, 1997 PCT Filed Apr. 22, 1997 PCT Pub. No. WO97/40075 PCT Pub. Date Oct. 30, 1997A catalyst component for polyolefin production catalysts comprising a metallocene compound represented by general formula (1) (symbols have the meanings as described in the specification), polyolefin production catalyst containing the component, and method for producing polyolefin with the catalyst are provided. Use of a catalyst containing the novel metallocene compound as a catalyst component of the invention in polymerization of alpha -olefin, particularly propylene, enables one to prepare high rigid, high melting point isotactic polypropylene useful as an industrial material for automobiles and the like, more specifically isotactic polypropylene having highly controlled stereoregulartity and regioregularity, particularly the one having a high regioregularity that has been difficult to achieve with conventional metallocene catalysts.

A new shape changing staple and instrument for the fixation of structures to include bone tissue and industrial materials. This new staple stores elastic mechanical energy to exert force on fixated structures to enhance their security and in bone affect its healing response. This staple once placed changes shape in response to geometric changes in the materials structure, including healing bone tissue. The staple is advanced over prior staples due to its: 1) method of operation, 2) high strength, 3) method of insertion, 4) compressive force temperature independence, 5) energy storing staple retention and delivery system, 6) compatibility with reusable or single use product configuration, 7) efficient and cost effective manufacturing methods, and 8) reduction in the steps required to place the device. In addition to the staple's industrial application an embodiment for use in the fixation of the musculoskeletal system is shown with staple, cartridge, and extrusion handle.

It relates to high purity single-walled carbon nanotubes having controlled diameter, useful as industrial materials, including high-strength carbon wire rods, particularly uniform single-walled carbon nanotubes having diameter fallen in a range of from 1.0 to 2.0 nm, and a method for producing the same efficiently, in large amount and inexpensively. The single-walled carbon nanotube obtained is characterized in that its diameter is fallen in a range of from 1.0 to 2.0 nm, and an intensity ratio IG/ID between G-band and D-band in a Raman spectrum is 200 or more. Furthermore, those single-walled carbon nanotubes are synthesized by a gas-phase flow CVD method that uses a saturated aliphatic hydrocarbon which is liquid at ordinary temperature as a first carbon source and an unsaturated aliphatic hydrocarbon which is gas at ordinary temperature as a second carbon source.

A new shape changing staple and instrument for the fixation of structures to include bone tissue and industrial materials. This new staple stores elastic mechanical energy to exert force on fixated structures to enhance their security and in bone affect its healing response. This staple once placed changes shape in response to geometric changes in the materials structure, including healing bone tissue. The staple is advanced over prior staples due to its: 1) method of operation, 2) high strength, 3) method of insertion, 4) compressive force temperature independence, 5) energy storing staple retention and delivery system, 6) compatibility with reusable or single use product configuration, 7) efficient and cost effective manufacturing methods, and 8) reduction in the steps required to place the device. In addition to the staple's industrial application an embodiment for use in the fixation of the musculoskeletal system is shown with staple, cartridge, and extrusion handle.

A resin composition includes: a resin component comprising 50 to 100 parts by mass of (i-1) a polylactic acid and 50 to 0 part by mass of (i-2) a polyolefin [the total of (i-1) and (i-2) is 100 parts by mass], and 1 to 100 parts by mass, per 100 parts by mass of the resin component, of (ii) a functional group-containing, hydrogenated, diene-based polymer containing at least one kind of functional group selected from the group consisting of carboxyl group, acid anhydride group, epoxy group, (meth)acryl group, amino group, alkoxysilyl group, hydroxyl group, isocyanate group and oxazoline group; and a molded article thereof. The resin composition and the molded article are superior in balance between tensile property or stiffness and impact resistance as well as in appearance when molded and, moreover, have biodegradability (disintegratability); and, therefore, can be used in various applications such as packaging materials, industrial materials, industrial products, containers, medical tools and the like.

The present invention belongs to environment concordant piezoelectric ceramic. The lead-free piezoelectric ceramic of the present invention may be expressed in the general expression of (LixNayK1-x-y)(Nb1-zRz)O3+aLMnO3, where, x is 0-0.3, y 0-1, (x+y) is 0-1, z 0-0.4, a is the weight percentage of LMnO3, 0-15 wt%, R is Ta and/or Sb, L is RE element, such as Y, Er, Ho, Dy , Tm, etc. The piezoelectric ceramic has d33 up to 150 pC/N and kp up to 27.0 %, and may be prepared with industrial material and through traditional piezoelectric ceramic process.

A method and an apparatus for efficiently mass-producing a single-wall carbon nanotube (SWCNT) film are disclosed. The SWCNT film is useful as an industrial material, at low temperature and low cost. The method and apparatus are characterized in that carbon nano-tubes (CNTs) are synthesized from a raw material source through a gas-phase chemical vapor deposition (CVD) process, and the synthesized CNTs are directly deposited on a substrate in a chamber connected with a reaction tube, thereby forming a CNT film on the substrate.

The invention provides a method for preparing benzaldehyde or substituted benzaldehyde by catalytically oxidizing methylbenzene or substituted methylbenzene and relates to the field of chemical industrial material intermediates. The benzaldehyde or substituted benzaldehyde of a general formula (1) and relevant side products are prepared by using a substance containing ferroporphyrin, derivatives of the ferroporphyrin or relevant load as a catalyst, adding a proper cocatalyst according to requirements, and oxidizing methylbenzene or substituted methylbenzene by using oxygen-containing gases such as oxygen, air and the like. In the method, the reaction is performed at a certain temperature of between 25 and 250 DEG C and pressure of 0.1 to 2 MPa; the using amount of the catalyst is small, and is 1 ppm to 1 mass percent under a non-load condition and 0.1 to 10 mass percent under a load condition; and other solvents are not added, and if necessary, a certain amount of cocatalyst is added. The method has the characteristics of environmental friendliness and simple process.

The polycomponent lead-free piezoelectric ceramic composition with excellent performance is one perovskite type environment consistency piezoelectric ceramic composition. The composition has the general expression of (1-e-f-g)(Bi1-uLu)1-w(Na1-x-yKxLiy)wTiO3+eBaTiO3+fSrTiO3+gCaTiO3+aMalphaObeta, where x is 0-1, y 0-0.5, u 0-0.12, (x+y) 0-1, e 0-1, f 0-1, g 0-1, (e+f+g) 0-1, w 0.3-0.7, L is RE elements La, Ce, Pr, Nd, Sm, etc.; MalphaObeta is doping oxide(s) in the content an of 0-10 %; M is +1~+6 valent element capable of forming solid oxide, such as Na, K, Li, Zn, Cr, etc. with alpha and beta being atom number. The piezoelectric ceramic composition has d33 up to 200 pC/N, kp up to 36.0 % and stable technological process, may be produced via traditional piezoelectric ceramic preparation process and industrial material, and is practical.

The invention discloses a physical testing method capable of directly observing the internal deformation of a rock mass model, which belongs to a physical testing method for rock mass models. The method is implemented through mixing three industrial materials, i.e. silicon powder, liquid paraffin and n-tridecane at a mass ratio of 1:0. 836:0.702 so as to form a transparent rock mass similar material; then, pouring the transparent rock mass similar material into a rock mass model testing device for many times to carry out vacuum-pumping treatment, so that air in the similar material is discharged, and in the process of pouring for vacuum-pumping, regularly paving colored homogeneous silicon powder particles on several planes of the inside of a rock mass model so as to form artificial spot-making planes; and after a transparent rock mass model is completely manufactured, carrying out displacement tracking monitoring on artificial colored particles in the model in the process of testing by using a digital camera photogrammetry technology, so that rock mass deformation evolving data of each key part in the model is obtained. The method disclosed by the invention has the advantages that the direct observation on the internal deformation of a rock mass is realized; and the method can monitor full-field deformation, and is simple and flexible, economic in use, good in stability, and easy to promote.

The invention discloses a separation method for agriculture and forestry biomass components. The separation method is to obtain cellulose, hemicelluloses and lignin, which have relatively complete molecular structure, by separating the agriculture and forestry biomass components step by step with a precipitator after cell walls dissolve completely. In the separation process, the operation is simple, the efficiency is high, the yields of the separated components are high, the used solvent and ionic liquid can be recovered and reused, and cost is saved. The separation method can provide a reliable theoretical basis for producing new industrial materials and biomass chemical products by using agriculture and forestry biomass as the raw material and provide a technical support for the development and utilization of renewable resources such as the agriculture and forestry biomass.

A biaxially stretched laminated polyester film having tensile break strengths in the machine and transverse directions of 40 to 200 MPa, and satisfying at least one of the following items: (1) wetting tension of at least one side of the film is not less than 48 mN/m; (2) surface resistivity of at least one side of the film is not more than 5×10¹² Ω/□; and (3) a barrier layer is provided on at least one side of the film. Such a film is suited for use as a composing material of packages for industrial materials, medicines, hygienic materials, foods, etc., and is also suited as a packaging material which excels in printing ink adhesion and also has excellent laminating compatibility with other materials, antistatic gas barrier properties and hand cutting quality. The present invention also pertains to a biaxially stretched laminated polyester film whose tensile break strength in the machine and transverse directions is 41 to 170 MPa, and such a film can be suitably used as a covering of receptacles of the type which is ripped off in use, such as a covering of press-through packages for medicines such as tablets and capsules, various kinds of foods, industrial parts, etc., and a covering of the cup-type drink containers of which the content is sucked through a straw thrust into the container by breaking through the cover.

An apparatus includes a vessel 10 for storing a liquid mixture 11 containing a liquid fuel 2 and an incompatible liquid 4 such as water or for allowing the liquid mixture 11 to flow therethrough, a vibrator 13 having at least one portion making contact with the liquid mixture in the vessel, a vibration generator 20 for vibrating the vibrator at high frequency, and a reflector 14 spaced from the vibrator 13 at a small distance. The incompatible liquid 4 is dispersed in and mixed with the fuel 2 by vibrating the vibrator at high frequency, whereby an emulsion fuel 12 having an ultra fine particle size and high mixture density is produced. According to the above configuration, cavitation can be extremely efficiently generated. The following technique is disclosed: a technique for producing various types of liquid mixture having an ultra fine particle size using the cavitation efficiently. In particular, the following mixture can be produced in a short time with high efficiency: a liquid mixture, such as an emulsion fuel, a liquid industrial material, a food product, a cosmetic product, or a drug product, having an ultra fine particle size, high mixture density, and high quality. If the liquid mixture is stored over a long period of time, liquid components thereof are hardly separated from each other.

The invention relates to agricultural machinery, in particular to a multifunctional corn combine harvester for both ears and stalks, which comprises a header including an upper layer and a lower layer. The upper header is an ear picking table, and the lower header is a stalk header. The corn combine harvester for both ears and stalks further comprises an ear harvesting collection box device, a stalk crushing device, a stalk thrower, a stalk baler, an intermediate drive device and a stalk stubble cleaning and returning device mounted on the rear lower portion of a frame and the like. Compared with the prior art, the corn combine harvester for both ears and stalks has the advantages that the functions of corn ear picking, husking and collection, stalk laying, stalk crushing and returning, stalk crushing for feed or industrial materials, and stalk stubble cleaning and returning are achieved on the corn combine harvester, the requirements of different users in different areas can be met, operation functions and cross-area operational adaptability of the corn combine harvester are improved greatly, comprehensive usability of corn stalks is improved greatly.

The invention provides a simple dynamic sulfur dioxide gas toxicant exposure experimental device. The device consists of a gas decompression dosing device, a dynamic gas toxicant exposure cabinet/chamber and a waste gas absorption and discharge device, wherein the gas decompression dosing device has functions of directly decompressing and quantifying high-purity sulfur dioxide gas, thus omitting assembly of a special decompression gauge and a flow gauge and realizing quantitative control on toxic gas in advance; the dynamic gas exposure cabinet/chamber ensures that a simulated toxicant exposure environment is closer to a natural exposure environment and concentration of the toxic gas is uniform and accurate and can be regulated and controlled in real time; and the discharged gas meets thesafe discharge standard through the waste gas absorption and discharge device. The overall device has the advantages that operation method is simple, the manufacturing expense is low, and the continuous long-time toxicant exposure can be realized, thus solving the difficulty of continuous dynamic toxic gas exposure for a large number of animals, and realizing sulfur dioxide fumigation for variousfood and industrial materials and the like.

The lead-free bismuth sodium titanate piezoelectric ceramic composition is one perovskite type environment consistency piezoelectric ceramic composition. The composition has the general expression of (1-x-y-z)Bi1-wNawTiO3+xBi0.5K0.5TiO3+yBaTiO3+zSrTiO3+aMalphaObeta, where x is 0-1, y 0-1, z 0-1, (x+y+z) 0-1, w 0.3-0.7; MalphaObeta is doping oxide(s) in the content an of 0-10 %; M is +1~+6 valent element capable of forming solid oxide, such as Na, K, Li, Al, Cu, etc. with alpha and beta being atom number. The piezoelectric ceramic composition has d33 up to 190 pC/N, kp up to 24.0 % and stable technological process, may be produced via traditional piezoelectric ceramic preparation process and industrial material, and is practical.

The present invention belongs to the building material technology field, in particular to relate to a cement base plate material with high-intension and low water-absorbing capacity and the corresponding preparation method. The mortar material uses a technical process of a self-compact active powder concrete to be cast into a plate with the thickness from several mm to more than 10mm. The present invention is made of cement, silicon ash, quartz powder, sand, water reducer, crack-proof agent and water according to the weight ratio. The present invention uses the new type water reducer and the rational weight ratio to decrease the water consumption and to make the flow expanding degree for the prepared cast mortar up to 255mm (flow degree of the mortar desk, sectioned cone circular mould, not being vibrated); and then the present invention can cast the plate with the required thickness directly without needing vacuum dehydration and pressure. The prepared plate is compact, with the water-absorbing capacity less than 2 percent that is far lower than that of each fibre strengthened cement plate in the prior market (about 20 percent). The folding strength can be adjusted by changing the content of the strengthened fibre, which can be up to 15-25MPa. The materials used in the present invention all are common industrial materials; so the present invention can simplify the manufacturing process, decrease the manufacturing cost greatly and enhance the product quality. The present invention can be widely used.

The invention discloses a method of reducing CO2 to prepare methanoic acid, methanol and methane under hydrothermal conditions by using metal, and relates to the method of transforming pure CO2 gas or CO2 in waste gas into industrial material that is the methanoic acid, the methanol and the methane. The pure CO2 or CO2 in waste gas, water as well as reducer, and a catalyst are put in a hydrothermal reactor; the CO2 is performed through hydrothermal reduction to obtain the methanoic acid, the methanol and the methane under the conditions that the addition quantity of the reducer is 1 to 25 times (by molar ratio) the content of the CO2 which is put in the reaction equipment, the addition quantity of the catalyst is 0 to 10 times (by molar ratio) the quantity of the reducer, the reaction temperature ranges from 200 DEG C to 245 DEG C, the reaction pressure ranges from 5MPa to 25MPa, the pH value ranges from 8 to 14, and the reaction time ranges from 10 minutes to 12 hours. A gaseous phase products that is the methane can be collected through gas-liquid separation, and the methanoic acid and the methanol mixed solution is separated and purified at the same time. The method efficiently transforms the CO2 into organic matters with high additional value in a low consumption way, the CO2 is changed into resource, the technology is simple without the secondary pollution, and worthful economic and social benefits are realized.

The present invention belongs to the building material technology field, in particular to relate to a self-compact active powder concrete and the corresponding preparation method. The self-compact active powder concrete is made of cement, silicon ash, quartz powder, sand, water reducer and water according to the weight ratio. The cement is one of Portland cement or the common silicate; the water reducer is poly carboxylate water reducer. The present invention uses the new type water reducer to make the flow expanding degree for the active powder concrete up to 255mm; and moreover the age losing for the flow degree is much smaller; the flow degree within 2 hours is not changeable basically; so the present invention can enhance the convenience performance for the construction. The compression strength in 28d maintaining reaches up to 100Mpa; the compression strength in 90 DEG C and 3d water maintenance reaches up to 150Mpa. The materials used in the present invention all are the common industrial materials, so the present invention can decrease the manufacturing cost greatly and is convenient to be widely used. The present invention is of simple preparation method and wide application.