62 results about "Amorphism" patented technology

The invention discloses a distortion-resistance wind power generation cable sheath material and a cable. The cable material comprises the following components in weight parts: 100 parts of chlorinated polyethylene, 10-30 parts of amorphism copolymer, 10-20 parts of cold-resistant plasticizer, 40-80 parts of reinforcing filler, 5-15 parts of nanosacle inorganic active agent, 2.5-5 parts of cross-linking agent, 2-5 parts of cross-linking assistant agent, 1-2.5 parts of antioxidant antiager and 10-30 parts of inorganic fire retardant, wherein the amorphism copolymer is a mixture of amorphism polyolefin thermoplastic elastomer and chlorinated polyethylene elastic body; and the nanoscale inorganic active agent is nanoscale zinc oxide and magnesium oxide. The cable of the invention has low-temperature resistance (-60DEG C)and distortion resistance, excellent flexibility, improves the homogenisieren property of the other materials by adding the nanoscale inorganic active materials, improves the molecular structure, has better flexibility because of the uvio-resistance, and has the characteristics of distortion, cold, oil and corrosion resistance and the like.

The invention discloses a preparation method of ferric phosphate and a product thereof. The preparation method comprises the following steps of: (1) introducing a ferric iron source solution into an acid resistant reaction kettle by using a metering pump, and then adding a certain dosage of phosphoric acid solution and stirring for 1h; (b) adding a certain dosage of organic solvent to the acid resistant reaction kettle, and preserving heat at 15-98 DEG C and aging for 0.5-24h; and (c) carrying out washing, filtering and spray drying on the obtained ferric phosphate slurry to obtain a final ferric phosphate product, wherein the proportion by weight of the water to the iron to the phosphoric acid to the organic solvent is 100:1-20:1-30:1-500. In the method, the traditional alkali is replaced by the organic solvent to prepare the ferric phosphate; and because the organic solvent has milder property and no harm to the human body, and the operating environment is beneficially improved after mass production. The ferric phosphate of two different crystal forms of amorphism and orthorhombic systems can be prepared by adopting the method.

The invention discloses a TS-1 zeolite material with multi-level pores. The TS-1 zeolite material comprises TS-1 zeolite and a TiO2-SiO2 carrier, and a weight ratio of the TS-1 zeolite to the TiO2-SiO2 carrier is 1:(4.8-9); the zeolite material is an integral forming material having macropores of 0.20-2 [mu]m, mesopores of 2-15 nm and micropores of 0.5-2 nm, a crystal lattice structure of the zeolite material is that a part of Ti<4+> enters a molecular sieve skeleton, a part of Ti<4+> is uniformly embedded in a SiO2 skeleton in a manner of an anatase crystal form, and SiO2 exhibits an amorphous state. The zeolitic material disclosed by the invention adopts a TiO2-SiO2 material as the carrier, a silicon source and a titanium source, under the vapor phase condition, the skeleton is partiallyconverted into the TS-1 zeolite, and a micron-sized through-hole skeleton structure of the carrier is maintained; and the prepared TS-1 zeolite has an uniform and stable structure and the multi-levelpores communicating with one another, thereby having very important significance for a macromolecular catalytic reaction.

The invention relates to a solid desulfurating agent, comprising an active constitute cubic system crystalline phase Fe3O4, amorphism Fe2O3 and amorphism Fe2O3.H2O, and a paste product which is obtained from the reaction of assistant binder ferrous sulphate salt and calcium hydroxide; the invention further disclose a preparation method of the solid desulfurating agent on the basis of disclosing the constitutes of the solid desulfurating agent. The side pressure strength of the solid desulfurating agent prepared by the method in the invention can be as high as 85N/cm, and can be widely applied to the desulfurating technique of high temperature coal gasification materials.

Chemical composition (in volume úÑ) of magnetic rheology liquid of containing superfine amorphous material is as following: magnetic particle 10-50úÑ is as reduced carbonyl iron in crystalline state and iron based amorphous soft magnetic alloys; carrier liquid 45-89úÑ is poly alpha olefin with viscosity as 1-300mPa.s under room temperature; surfactant 1-5úÑ is as titanate coupler and composite aluminium-titanium coupler. In the said magnetic particle, the reduced carbonyl iron in crystalline state (90-95úÑ of the magnetic particle)is spheroidal particle with size range 1-30 micro; and iron based amorphous soft magnetic alloys (5-10úÑ of the magnetic particle)is acicular particles. Comparing prior art, the invention possesses advantages of lower viscosity coefficient in zero field, high yield stress, fine antiflooding stability and excellent magnetic performance.

The invention discloses a method to quickly detect polyethylene pipe material rank of ISO9080, it includes (1) detect polyethylene pipe material structure distribution in condensation state, the structure distribution in condensation state includes mass per centum content distribution of crystal phase, interface phase and amorphism phase;(2)compute the mass per centum content distribution of crystal phase, interface phase and amorphism phase;(3) bases the result of the (2)step, process the ISO9080 ratings of the polyethylene pipe material: the mass per centum content of crystal phase is 50-90%for polyethylene pipe material with PE80 rank and more than it, the mass per centum content of interface phase is 5-45%, the mass per centum content of amorphism phase is 0-15%. Compared to pipe certification authority hydrostatic test rating, This method has advantages of convenient, fast, and saving money, accelerate the new pipe material products into research development process, and with high accuracy, wide adaptation.

The invention relates to an amorphous tellurium-cadmium-mercury/crystalline silicon heterojunction infrared-detector, which is characterized by being composed of a crystalline silicon substrate, amorphous tellurium-cadmium-mercury, a first metal electrode and a second metal electrode, wherein the amorphous tellurium-cadmium-mercury and the crystalline silicon substrate form heterojunction, the first metal electrode is connected with the amorphous tellurium-cadmium-mercury, and the second metal electrode is connected with the crystalline silicon substrate. The preparation process comprises the following steps of substrate cleaning, amorphous tellurium-cadmium-mercury film preparation, photosensitive surface forming, metal electrode preparation and package test; or substrate cleaning, second metal electrode preparation, amorphous tellurium-cadmium-mercury film preparation, photosensitive surface forming, first metal electrode preparation and package test. The amorphous semiconductor material has no selectivity for the substrate, the lattice matching performance between materials forming heterojunction is better, and the significant photoelectric response exists. The optimum working temperature of the detector is close to room temperature, two stages of semiconductors are utilized for refrigeration, and the weight, the power consumption and the manufacturing cost of the infrared detector assembly are reduced.

The invention discloses high-oxygen-content iron-based amorphous composite powder and a preparation method thereof. The preparation method comprises the following steps: proportioning the following materials in atom percentage: 74-78at.% of Fe, 4-6at.% of Cu, 7-9at.% of P, 5-7at.% of C, 1-3at.% of B and 4-6at.% of O; mixing; and performing high-energy ball milling to obtain the high-oxygen-content iron-based amorphous composite powder, wherein the volume fraction of an amorphous phase exceeds 90%, and the microstructure takes the amorphous phase as the base and takes alpha-Fe nanocrystal as a second phase. According to the invention, the designed composite powder has high amorphism forming capacity, a wide supercooled liquid phase region is obtained, and the adverse effect of oxygen on iron-based alloy amorphism forming is overcome, thereby being beneficial to the design of a new alloy system. The method is simple and convenient to operate, and can provide a raw material for the preparation of a high-density big amorphous composite material based on a sintering method.

The invention provides a planarization method of a magnetic tunnel junction. The magnetic tunnel junction comprises an amorphous iron-cobalt-boron layer. The method is characterized in that the methodcomprises the step that ion or plasma beams are adopted to bombard the amorphous iron-cobalt-boron layer. According to the planarization method of the invention, low-power ion or plasma beam bombardment is adopted, so that surface atoms can acquire a certain kinetic energy but cannot escape, and therefore, a material can be shifted from rough protrusions to troughs, and an MTJ (magnetic tunnel junction) multilayer film deposition of atomic-level smoothness can be obtained.

This invention relates to a method for preparing modified starch. The method solves the problems of high energy consumption, long reaction time, low controllability, complex process, low efficiency and unstable quality faced by the present techniques. The method utilizes vibrational ultrafine pulverizer to realize ultrafine pulverization of starch by high-frequency multi-dimensional vibration. One or more metal materials are used as the grinding medium. The method changes the morphologies and sizes of starch particles, increases the specific surface area and porosity, transforms starch from pleomorphism into amorphism, and changes molecular weight distribution and linear chain/branched chain ratio. Modified starch has such advantages as low gelatinization temperature, high light transmittance, high freeze-thaw stability, high water absorbency and low viscosity.

The invention discloses a cable sheath material for wind power generation and belongs to the field of cable sheath materials. The cable sheath material is prepared from, by weight, 70-85 parts of HDPE, 15-30 parts of modifying agent, 15-25 parts of amorphism copolymer, 20-25 parts of acetylene carbon black, 10-20 parts of cold-resistant plasticizer, 20-35 parts of reinforcing filler, 5-15 parts of nano-scale inorganic active agent, 1-3 parts of cross-linking agent, 2-5 parts of auxiliary cross-linking agent, 1-3 parts of anti-aging agent and 10-20 parts of inorganic flame retardant. The cable material has low-temperature resistant and distortion resistant performance and good flexibility, and is suitable for distortion resistant cables, drag chain cables and control cables for wind power generation.

The invention relates to crystalline-noncrystalline-crystalline stereotriblock polybutadiene, which belongs to the technical field of the high molecular material synthesis and the preparation. The invention is characterized in that the polymer has the following symmetric structure: HTBR-LCBR-HTBR, wherein, HTBR is high trans-1,4-polybutadiene block, LCBR is low cis-polybutadiene block, the numberaverage molecular weight of stereoblock polymer is 5*10 <4> to 55*10 <4>, the block ratio of HTBR/LCBR is 10/90 to 60/40 (weight ratio), the general range of 1, 2-structural content in the LCBR block is 5 percent to 55 percent (weight percentage), and the general range of trans-1, 4-structural content in the HTBR block is 50 percent to 95 percent (weight percentage). The invention has the advantages that the preparation method for the crystalline-noncrystalline-crystalline stereotriblock polybutadiene is provided, and important promotion effect to the characterization research work of the crystalline and noncrystalline polymer is realized.

An embodiment of the invention relates to an environment-friendly waterborne block copolymer dispersant and a preparation method thereof. The environment-friendly waterborne block copolymer dispersantis made from, by mass, 20-30% of a polymerization monomer, 5-10% of cyclic alkyl sultone, 5-10% of a long-chain alkyl monomer, 1-3% of polysiloxane, 1-3% of an initiator, 0.5-1% of an activator, 2-5%of a chain transfer agent, 1-3% of waterborne RAFT (reversible addition-fragmentation chain transfer polymerization) agent, 1-2% of a neutralizer, and 45-55% of deionized water. The environment-friendly waterborne block copolymer dispersant provided by an embodiment of the invention has the special structure block copolymer and allows characteristics of different homopolymers to be integrated, amorphism and elasticity of flexible block and crystallinity and rigidity of rigid block help pigment-filler and mineral powdery particles to dispersedly suspend in the solutions, such as a paint base,for long time, macroscopic separation can be prevented, secondary flocculation is avoided, and a prepared colored paint system has good storage stability and brighter color that lasts for long time.

The invention belongs to the technical field of polyether polyol synthesis and specifically relates to a preparation method of low-molecular-weight polyether polyol for polyetheramine. According to the preparation method, 2-methyl-1,3-propylene glycol, which is used as a starting agent, reacts with epoxide in the presence of an alkali metal catalyst at low temperature; and then, the reaction product is end-capped with epoxypropane at high temperature so as to obtain low-molecular-weight polyether polyol for polyetheramine. During the polymerization, 2-methyl-1,3-propylene glycol is used as the starting agent. Due to structural regularity and symmetry of 2-methyl-1,3-propylene glycol, activities at two ends are identical. During polymerization between 2-methyl-1,3-propylene glycol and the epoxide, polyether structure is more regular. During amino-capping, activities at two ends are consistent. The product has characteristics of amorphism, strong weatherability, tension resistance, strong bending resistance and the like. By the structure, polyetheramine can be endowed with characteristics of low melting point, low viscosity and good intersolubility with auxiliaries.