967results about How to "Excellent formability" patented technology

This invention discloses a poly (lactic acid)/natural fiber composite, which is mainly composed of poly (lactic acid) resin and natural fibers. The production method comprises: performing surface treatment on natural fibers with coupling agent, mixing with poly (lactic acid) resin, antioxidant, nucleating agent and lubricant, melt-extruding, and granulating to obtain the product. The method has such advantages as easy operation and high efficiency. The poly(lactic acid)/natural fiber composite has such advantages as high modulus, good heat resistance, good processability, and good biodegradability, and can be used in the fields of automobile industry, architecture and domestic decoration.

The invention provides a solar cell assembly backplane, belonging to the technical field of solar energy. The solar cell assembly backplane comprises a base film layer as well as a second film layer and a third film layer arranged at two sides of the base film layer. The solar cell assembly backplane is characterized in that: the base film layer as well as the second film layer and the third film layer arranged at two sides of the base film layer are directly composited into one film through a melting co-extrusion process. At the same time, the invention also provides a preparation method of the solar cell assembly backplane. According to the invention, the use of an adhesive is avoided; and the preparation process of the solar cell assembly backplane can be completed by a single step with simple and efficient techniques; and the solar cell assembly backplane is advantaged in improved processing-shaping performance, mechanical properties, barrier properties and aging resistance performance.

This invention intends to provide an aligned single-walled CNT aggregate and the like which can be produced easily and has a high specific surface area, in which individual CNTs are aligned and which has excellent shape processability due to low bulk density. The aligned single-walled CNT aggregate of this invention comprises a base material, catalyst particles with a density of 1×10¹⁰ to 5×10¹³N/cm² disposed on the base material, and a plurality of single-walled carbon nanotubes (CNTs) grown from the fine particles of the catalyst, in which the plurality of single-walled CNTs have a specific surface area of 600 m²/g to 2600 m²/g, and a weight density from 0.002 g/cm³ to 0.2 g/cm³, and the alignment degree is defined by a specific condition or conditions.

The invention discloses a heat-conducting thermosetting molding composite material and application thereof. The heat-conducting thermosetting molding composite material comprises the following basic components in percentage by weight: (1) 15-65% of thermosetting matrix resin; (2) 20-80% of heat-conducting filler with a thermal conductivity greater than 1 W/m.DEG C; and (3) other additives, such as a toughening agent, an enhancer, a stabilizer and the like. The invention also discloses application of the heat-conducting thermosetting molding composite material in manufacturing LED (light emitting diode) lighting heat-radiation components. The molding temperature of the composite material can be controlled to below 220 DEG C that is the general soldering operation temperature, so that the assembly process of an LED lamp and a heat radiator and the molding process of a thermosetting material heat radiator can be integrated, and the substrate surface or heat-conducting metal support of the LED lamp can be directly connected with the heat-conducting material; and the molding die of the composite material and auxiliary systems thereof have the characteristics of effective heat insulation and temperature control and easy cleaning, and can effectively lower the processing and manufacturing cost of the LED lamp and improve the heat radiation capability of the LED heat radiator, thereby reducing the operating temperature of LED devices.

The invention relates to an injection moulding wood plastic compound material and the process technology. It is made up from recycled P or HDPE or PVC 100 portions, wood flour 80-130 portions, chlorinated polyethylene 5-10 portions, polyethylene wax 0.5-5.0 portions, geoceric acid or stearate 1.0-5.0 portions, nanometer reinforcing agent 4.0-8.0 portions, organic esters flexibilizer 5.0-15.0 portions, and PE grafted by maleic anhydride 5.0-20 portions. Mixing the materials at low speed (300-600round/min), high speed (1500-2500 round/min), low speed (300-600 round/min) for 5-10min, 25-40min, and 5-10min, the premixed material would be gained. After being extruded from extruder, the moulding wood plastic compound material would be gained. It could be widely used in producing complex shaped products.

The invention provides an electroplating PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy material and a preparation method thereof. The electroplating PC/ABS alloy material comprises the following components in parts by weight: 30-70 parts of PC, 40-60 parts of ABS, 5-30 parts of styrene-acrylonitrile copolymer, 5-30 parts of butadiene graft rubber, 1-3 parts of compatilizer, 1-10 parts of heat-resistance modifier and 0.5-1 part of processing assistant. The alloy material provided by the invention has the advantages of favorable electroplating properties, excellent mechanical properties and favorable heat resistance, and can be used for designing automobile internal and external ornaments, including heat dissipation grids, door grips, vehicle logos, instrument panel decorating strips and the like.

The invention provides a high-strength brake hardening car body aluminum alloy plate and a manufacturing method thereof, and belongs to the technical field of aluminum alloy. The aluminum alloy has the component characteristic that a Zn element is added on the basis of the conventional AL-Mg-Si-Cu quaternary alloy, so that the alloy has higher brake hardening performance; and interaction, strengthening-phase separation process and the like among solute elements are reasonably adjusted through reasonable pre-ageing process optimization control, and therefore, a novel car material Al-Mg-Si-Cu-Zn quinary aluminum alloy with excellent comprehensive performances is successfully developed. By adding the element Zn, the aluminum alloy material disclosed by the invention has the performance characteristic of being low in yield strength, good in plasticity and conductive to stamping and forming a car covering piece before baking finish; and after baking finish is finished, the yield strength is greatly improved, the tensile strength is high and the bake hardening performances are high.

The invention discloses a continuously-produced full-degradable starch-based plastic alloy and a preparation method thereof. The starch-based plastic alloy contains the following components in parts by weight: 40-90 parts of starch, 5-60 parts of poly(butylene succinate), 5-60 parts of polylactic acid, 10-40 parts of plasticizer, 0.1-10 parts of compatibilizer and 1-10 parts of processing acid. The preparation method comprises the steps of mixing starch, plasticizer and part of processing aid, and extruding to obtain thermoplastic starch particles; then, mixing the thermoplastic starch particles with poly(butylene succinate), polylactic acid, compatibilizer and the residual processing aid, and extruding to obtain the starch-based plastic alloy. The starch-based plastic alloy disclosed by the invention is favorable in hydrophobicity and strength, good in component compatibility, favorable in thermoplastic processability, capable of realizing continuous production and processing as well as simple and feasible in technical process.

An epoxy resin mold plastic and its production are disclosed. The mold plastic consists of liquid-crystal epoxy resin, methyl-phenolic epoxy resin, epoxy resin containing biphenyl unit structure, melamine modified linear phenolic resin, silicone micro-powder, imidazo curing improver, toughening agent and silane coupling agent. The process is carried out by treating silicone micro-powder in mixer by coupling agent for 2-5mins, adding into other components, mixing for 3-5mins, melt milling at 95-135 degree for 3-5mins, cooling, crushing, mesh screening, pressing into material cake and storing below 6degree. Its advantages include low thermal expansion coefficient, excellent heat and fire resistances, better toughness and fluidity, no phosphor, no antimony and environmental pollution. It can be used to pack large-scale circuit and electronic devices.

The invention belongs to the technical field of materials, and particularly relates to a hybrid fiber reinforced friction material for train braking and a preparation method thereof. In the invention, a composite modified phenolic resin is used as an adhesive, and hybrid fibers, including carbon fiber, metal fiber, inorganic mineral fiber and the like, are used as the reinforcing fibers. Compared with the prior art, the invention improves the contour machining property of the organic synthetic brake, and the yield of the material is high; the brake has stable frictional property at different braking speeds, does not has obvious degradation of frictional property at high speed, and does not have the phenomena of shedding and cracking on the working surface after the braking test. The friction material provided by the invention can be widely used for manufacturing brake pads, brakes, brake shoes and the like in braking systems of passenger and freight trains, municipal rail transportation, subways and the like.

The invention discloses a reinforced toughened self-lubricating polyformaldehyde composite material and a preparation method thereof, belonging to the field of polymer materials and molding processing thereof. The polyformaldehyde composite material disclosed by the invention comprises the following components in percent by weight: 45-70 percent of POM (Polyoxymethylene), 10-30 percent of TPEE (Thermoplastic Polyether Ester Elastomer), 4-6 percent of polytetrafluoroethylene, 5-15 percent of glass fiber, 0.2-1 percent of antioxygen, 0.5-0.8 percent of formaldehyde absorbing agent, 0.3-0.5 percent of surface lubricating agent, 1-8 percent of zinc oxide whiskers, 0.1-0.2 percent of coupling agent and 1-2 percent of compatilizer. The polyformaldehyde composite material is prepared by adopting the method comprising the steps of: drying 10-30 percent of TPEE at a temperature of 100 DEG C for 2-4h; adding the dried TPEE in a high-speed mixing machine, adding the 45-70 percent of POM, the 4-6 percent of polytetrafluoroethylene, the 5-15 percent of glass fiber, the 0.2-1 percent of antioxygen, the 0.5-0.8 percent of formaldehyde absorbing agent, the 0.3-0.5 percent of surface lubricating agent, the 0.1-0.2 percent of coupling agent and the 1-2 percent of compatilizer for mixing for 15-20min at a room temperature; and adding a mixture obtained in the last step into an extruder, adding the 1-8 percent of zinc oxide whiskers from an exhaust hole on the dual-screw extruder, extruding and granulating, and injection-molding. The composite material provided by the invention has the advantages of dispersing uniformity, good mechanical property and better abrasion resistance.

The present invention relates to a thermoplastic resin composition comprising two different thermoplastic resins (component A and component B), conductive carbon black (component C), and conductive carbon black having a larger specific surface area than that of component C or hollow carbon fibril (component D),

• • said thermoplastic resin composition having an island-and-sea micro structure constituted by component A and component B,
  • component C existing mostly in the island phase, and
  • component D existing mostly in the sea phase.

The present invention provides a bifunctional phenylene ether oligomer compound having a thermosetting functional group at each terminal, an epoxy resin containing the above oligomer compound and a use thereof. That is, it provides a sealing epoxy resin composition for sealing an electric part, an epoxy resin composition for laminates, a laminate, a printed wiring board, a curable resin composition and a photosensitive resin composition. The resins and resin compositions of the present invention are used in electronics fields in which a low dielectric constant, a low dielectric loss tangent and high toughness are required and also used for various uses such as coating, bonding and molding.

The invention relates to a kind of scraping tolerance type special material for ornament in motor and preparation method, comprising(by weight parts): polypropylene 80-90 parts, superfine talcum powder 10-20 parts, lubricant 0.5-3.0 parts, antioxidant1010 1.0-2.0 parts. The method comprises: 1) stirring and mixing the polypropylene and lubricant, antioxidant at rotate speed of 300-500 rpm for 3-5 minutes; 2) adding superfine talcum powder and stirring and mixing at rotate speed of 300-500 rpm for 5-10 minutes; 3) stirring and mixing at rotate speed of 1500-2000 rpm for 10-15 minutes; 4) stirring and mixing at rotate speed of 300-500 rpm for 5-10 minutes to obtain premix material; 5) extruding the premix material by extruder to pelletizen finally the finished product being obtained. The invention has features: low odor emission, low cost, high surfaceness, better impact resistance, intension and toughness and good melt flowing, widely used in production of ornament in motor.

A paper container is provided that allows the content to be checked, prevents the content from deteriorating for a long period of time, and is excellent in, for example, storage and preservation properties. Furthermore, a paper container is provided that can be subjected to a retort sterilization process, prevents the content from deteriorating for a long period of time, and is excellent in, for example, storage and preservation properties. A paper container formed of a laminate including at least a paper layer is provided. The paper layer has a cutout part that is covered with a gas barrier laminate. The gas barrier layer of the gas barrier laminate is formed of a composition containing a neutralized product of a polymer containing at least one functional group selected from a carboxyl group and a carboxylic anhydride group, and a hydrolysis condensation product of at least one compound (L) containing a metal atom to which at least one characteristic group selected from a halogen atom and an alkoxy group has been bonded. The —COO— groups contained in the at least one functional group are neutralized at least partly with a metal ion having a valence of two or more.

The invention discloses a high-performance easy-to-process nickel-based deformation high-temperature alloy and a preparation method thereof and belongs to the technical field of nickel-based deformation high-temperature alloy materials. The chemical elements of the deformation high-temperature alloy comprise, by mass, 0.02-0.08% of C, 18-20% of Cr, 9.1-12% of Co, 8.1-9.1% of Mo, 1.4-1.7% of Al, 1.8-2.25% of Ti, 0.002-0.012% of B, Nb with the mass percent less than or equal to 0.7%, Fe with the mass percent less than or equal to 2%, Zr with the mass percent less than or equal to 0.03%, 0.02-0.5% of V, 0.002-0.1% of Nd and the balance nickel and unavoidable impurities. The high-performance easy-to-process nickel-based deformation high-temperature alloy has the advantages that the demand foroperation at 940 DEG C or below is met, the alloy has four kinds of performance including long high-temperature-resistance service life, creep deformation resistance, good formation processing performance and excellent welding performance, through optimized matching of conventional alloy elements, novel alloy elements Nd and V are introduced, and the aim is achieved.

The invention discloses a flame retardant reinforced polybutylene terephthalate (PBT) composite and a production method of the composite. The flame retardant reinforced PBT composite is prepared by PBT, other polyesters, fiberglass, bromide, antimony trioxide, toughening, a compatibilizer, an antioxidant, an anti-dripping agent and a nucleating agent. The flame retardant reinforced polybutylene terephthalate (PBT) composite has the advantages that: other polyester materials (PTT) are added into the flame retardant reinforced PBT composite, the comprehensive mechanical property of the composite is enhanced, such as the tensile strength and the bending strength, and a plurality of new characters are given to the composite, meanwhile, compared with the pure PBT resin as reinforced flame retardant material, the composite has higher heat distortion temperature; furthermore, the preparation technique has simple process and low cost.

The present invention discloses one kind of biomedicine beta-titanium alloy material comprising Ti-Nb 25-30 wt%, Zr 1-5 wt%, Fe 0.2-1 wt%, and Ta 10-15 wt%. The beta-titanium alloy material is produced through vacuum arc melting, casting, vacuum homogenizing under the protection of argon, cold rolling, forming solid solution, water quenching, artificial ageing, water cooling and other steps. It is produced into 2 mm thick plate, and has excellent comprehensive performances, including elastic modulus 40-60 GPa, breaking strength 600-910 MPa, yield strength 480-650 MPa, elongation 14-18 % and reduction of area 40-52 %. It has simple and reliable production process.

The invention discloses a making technology of high-silafont electronic packing material, which comprises the following steps: A) preparing powder: blending industrial pure aluminum and high-pure silicon at 6-8.8:4-1.2 percentage to prepare Al-Si alloy powder; B) proceeding ball grinding disposal for Al-Si alloy powder at 5-15:1 percentage for 8-32 h; C) loading oxide alloy powder in the pure aluminum; proceeding squeezing disposal on the 300-500 ton hydrostatic machine through forward squeezing pattern; keeping temperature at 400-520 deg.c for 0.5-2 h for Al-Si alloy powder before squeezing; placing each squeezing mould in the heat stove at 10-21 squeezing rate to preheat at 200-400 deg.c; squeezing to produce the product. The invention can improve heat conductivity, airtightness and tensile strength obviously, which keeps low expansion coefficient.