76results about How to "Does not affect processing performance" patented technology

The invention discloses an antistatic polyolefin permeable film compound and a process for preparing the antistatic polyolefin permeable film. The compound comprises 30-60 parts by weight of linear low density polyethylene, 10-40 parts by weight of high-pressure polyethylene, 30-60 parts by weight of antistatic resin, 100-180 parts by weight of calcium carbonate and 0.4-1.0 parts by weight of anti-oxidant. The invention overcomes the weakness of traditional antistatic agent and antistatic filling, not only ensures the antistatic property of permeable film through adding antistatic resin, but also not affects the processing property, permeable property and the appearance of film. The processing flow-ability, the dispersing evenness of organic filling and processing stability of antistatic polyolefin permeable film compound in the invention can meet the production requirements of extrusion filmmaking. The water vapor permeable rate of the antistatic polyolefin permeable film which is prepared by the invention is not lower 2000g/m2 24h, and the surface electrical resistivity is no higher 10 9 omega/m2.

The invention discloses a novel low-odor low-volatilization PC/ABS (polycarbonate/acrylonitrile- butadiene-styrene copolymer) alloy material and a method for preparing the same. The PC/ABS alloy material comprises the following compositions by weight percentage: 50 to 80 percent of polycarbonate, 10 to 45 percent of ABS/PP graft, 1.0 to 5.0 percent of hydrophobic odor adsorption master particles. 0.1 to 1.0 percent of antioxidant and 0 to 0.5 percent of other additives. The preparation method comprises: firstly, 20 to 70 percent of ABS resin and 30 to 80 percent of attapulgite modified by quaternary ammonium salt type surfactant are mixed, extruded and pelletized to form high-concentration hydrophobic odor adsorption master particles; and secondly, the high-concentration hydrophobic odor adsorption master particles and the polycarbonate, the ABS/PP graft, the antioxidant and other additives are mixed, are placed in a double-screw extruder and are subjected to fusion, extrusion and pelletization. The obtained novel PC/ABS alloy material has the characteristics that the material is not influenced in molding processing at all and has excellent physical and chemical comprehensive performance and excellent odor property and the like.

The invention discloses an environment-friendly HPVC door frame, which is obtained by kneading and extruding. The main raw materials include PVC, a stabilizer, and a surface treatment agent, and are composed of the following substances by weight: PVC resin powder: 45-55, calcium Zinc composite stabilizer: 1-6, chlorinated polyethylene: 1-6, stearic acid: 0.1-1 part, polyethylene wax 0.1-1 part, ethylene bisstearamide: 0.1-0.8 part, acrylate copolymer Matter: 1-3, active calcium carbonate: 8-20, dioctyl phthalate: 0.1-1.5, epoxy soybean oil 0.3-1.2, triphenyl phosphite: 0.2-1.2, toner: 0.2-1 . The preparation method includes the steps of compounding, kneading, granulation and door frame extrusion. The performance index of the environment-friendly door frame prepared according to the invention meets the requirements of the RoHS directive, and the new formula does not affect the processing performance of the original equipment; the raw materials of the formula are easy to obtain and the price is low, and are suitable for industrial production.

The invention relates to a lithium-rich manganese-based material and a preparation method thereof. The preparation method is a sol-spray pyrolysis method and comprises the steps of precursor sol preparation, spray drying, high-temperature calcining and the like. The preparation method disclosed by the invention has the advantages of simple process flow, less equipment input, high continuous degree and no exhaust of tail gas or discharge of waste liquid. The lithium-rich manganese-based anode material disclosed by the invention has excellent electrochemical performance, discharge capacity as high as 225-250A.h.g<-1> and favorable excellent performance; and under the multiplying power of 0.5C, the discharge capacity of the lithium-rich manganese-based material can be maintained over 150mA.h.g<-1>.

The invention discloses a flame retarding polymer composite material which is compounded by resin system, intumescent flame retardant and flame retardant synergist which are melted by a extruding machine or a mill mixer. The intumescent flame retardant comprises a triazine compound and polyphosphate. The flame retardant synergist is silicon magnetism containing inorganic substance. The triazine compound has good thermal stability and water resisting property, is used as carbon source and air source and compounded with ammonium polyphosphate to constitute the intumescent flame retardant which is applied in the flame-retardant polymer which has good flame retardant effect. The obtained coal bed reveals out compact and continuous structure. The silicon magnetism containing inorganic substance is added as the flame retardant synergist, thus promoting the formation of the coal bed, improving the quality of the coal bed, obtaining the flame retarding polymer materials with higher flame retardance in the condition of keeping the same addition of the flame retardant.

The invention discloses a floating boring head for processing inner surface of bent tube billets, wherein one end of a boring bar connector is connected with a boring bar while the other end thereof is flexibly connected with a universal connection block; the other end of the universal connection block is connected with a support shaft; a guide mould is installed on the support shaft through a bearing; a boring cutter mechanism comprises a cutterhead and a boring cutter; the other end of the support shaft is fixedly connected with the cutterhead; and two boring cutters are symmetrically fixed by the central line on the cutterhead. In the floating boring head, as the other end of the boring rod connector is flexibly connected with the universal connection block, the guide mould can vertically and transversely move relative to the boring bar in the tube billet and adapts curvature of the tube billets effectively; moreover, the guide mould and the boring cutter mechanism are in a rigid connection manner; thus, the guide mould can transfer the curvature of the tube billets to the boring cutters well so as to ensure wall thickness uniformity of the processed tube billets, realize high processing efficiency, wide processing range, and small equipment upgrading investment and not influence the processing performance of the original boring lathe after transformations.

The present invention provides a fiber reinforced resin matrix composite weatherability improvement composition and application thereof, the composition comprises a complex antioxidant system and a light stabilizer system; and the weight ratio of the complex antioxidant system to the light stabilizer system is 1: 0.1-5. The composition can improve the fiber-reinforced resin matrix composite weatherability, can effectively inhibit the fiber reinforced resin matrix composite aging in processing and use processes, and can prolong the service life. Furthermore, the composition is a liquid composition, and when the composition is added into the fiber reinforced resin matrix composite, the product processing performance is not affected.

The invention relates to the technical field of modified materials, and discloses a poly-methyl ethylene carbonate composition and a preparation method thereof. The composition comprises the following raw materials: a poly-methyl ethylene carbonate matrix, a modified material and an adjuvant, wherein the modified material is composed of thermoplastic polyurethane and polyvinyl alcohol in melting and blending manners; the mass ratio of the modified material to the poly-methyl ethylene carbonate is (10-100) to 100; polyvinyl alcohol accounts for 30%-50% by mass of the modified material; the adjuvant accounts for 0.5%-2%. The preparation method comprises the following steps: melting and blending TPU with PVA; and then blending and pelletizing with PPC. The composition disclosed by the invention has the advantages of good film-forming property and dimensional stability, good tensile strength, breaking elongation, biodegradability and the like. The composition disclosed by the invention does not agglomerate or deform, and does not affect the processability after being placed for a long period of time when the matrix cost is lowered; the film is not bonded; the breaking elongation of the film disclosed by the invention after water absorption is increased; and meanwhile, good tensile strength is kept.

The invention provides an EVA foaming material with high-temperature resistance and aging resistance as well as a preparation method and an application of the EVA foaming material. The foaming material is prepared from an EVA composite by foaming, wherein the EVA composite comprises 40-50 parts of EVA, 10-55 parts of AEM rubber, 10-20 parts of polyolefin elastomers, 10-20 parts of OBC, 0.5-0.8 parts of a peroxide crosslinking agent, 3-5 parts of a foaming agent, 1-4 parts of an active agent and 3-12 parts of a reinforcing agent. The thermal shrinkage rate of the foaming material in the embodiment is 0.6%-1%, which is lower than that of the traditional EVA foaming material. After the foaming material is aged under hot air, the permanent compression deformation change rate, the mechanical property change rate and the hardness change rate are all lower than 20%, original properties of the material are well maintained, and the foaming material has good high-temperature resistance and agingresistance. The processing temperature of the material is low, and thus, subsequent bonding is facilitated.

The invention provides an aluminum-carbon composite material used for a tension-resisting joint fitting and a preparing method of the aluminum-carbon composite material. Aluminum powder and carbon powder dispersed in an organic solvent are evenly mixed, dried, subjected to ball grinding and pressed into an aluminum-carbon powder block; and the above aluminum-carbon powder block and an aluminum block are used as raw materials to be subjected to smelting, ingot casting, cogging and rolling, and a joint fitting material high in strength and resistant to loosening is obtained. The electric conductivity of the joint fitting prepared through the aluminum-carbon composite material is equivalent to that of pure aluminum. Due to the adding of carbon particles, the hardness, strength and high-temperature loosening resisting performance of the joint fitting are greatly improved. Due to the fact that carbon has very good stability in the atmosphere and does not form an alloy or a compound with aluminum, the corrosion resistance of aluminum is not obviously changed. Preparing steps are simple, operation is convenient, and practicability is high.

An embodiment of the invention discloses a fault handling method of a food processor. The method includes the steps: controlling the food processor to suspend work when detecting abnormal condition signals in the working process of the food processor; detecting whether the abnormal condition of the food processor returns to normal or not within a preset first time duration when determining that afault type generating the abnormal condition signals is a restorable fault type; not giving a fault alarm if the abnormal condition of the food processor returns to normal within the first time duration, and continuing work according to working steps in work suspension of the food processor. The food processor can continue working after the abnormal condition returns to normal, food material wasteis avoided, food processing performance cannot be affected, and user experience is improved.

The invention provides organic silicon rubber which is prepared by the following steps: (1) mixing low-phenyl silicon rubber, saccharose polyester modified fluorinated silicone rubber, a structure controller and organic modified silicon micro powder by using a kneading machine so as to obtain a mixture; (2) putting a vulcanizing agent and a 2,4-pentadienoic acid zinc salt into the mixture, uniformly mixing, treating for 2-3 hours at 140-180 DEG C, heating for 25-40 minutes at a vacuum state, cooling to the room temperature, and discharging so as to obtain blended rubber; (3) cutting the blended rubber, carrying out mold pressing, carrying out hot pressing for 10-15 minutes by using a hot press at 200-220 DEG C at 15-20MPa so as to obtain a molded vulcanization product; (4) placing the molded vulcanization product into an oven for 10-12 hours at 250-300 DEG C, so as to obtain the organic silicon rubber. The organic silicon rubber provided by the invention has an excellent mechanical property, and is aging resistance, wearing resistance and oil resistance.

The invention relates to a preparation method of a low-temperature-resistant and scratch-resistant automobile zip-fastener sheath special material, wherein the composite material comprises the following components in parts by weight: 65-80 parts of polypropylene; 1-5 parts of a scratch-resistant agent; 10-25 parts of an elastomer; and 0.5-2 parts of an antioxidant. The invention relates to the preparation method of the low-temperature-resistant and scratch-resistant automobile zip-fastener sheath special material. The low-temperature-resistant and scratch-resistant automobile zip-fastener sheath special material not only improves scratch resistance and low temperature resistance of polypropylene, but also has excellent mechanical properties, and besides, does not affect the processing properties of products.

The invention discloses a production method of an antibacterial stainless steel drainer drawn piece. The method sequentially comprises primary drawing, primary intermediate annealing, secondary drawing, secondary intermediate annealing, edge curling, coarse wire drawing and fine wire drawing; austenite stainless steel is used as a raw material, Cu ranges from 3.5wt% to 4.5wt%, C is less than or equal to 0.08wt%, Si is less than or equal to 1.0wt%, Mn is less than or equal to 2.0wt%, P is less than or equal to 0.045wt%, S is less than or equal to 0.03wt%, Ni ranges from 8wt% to 10.5wt%, Cr ranges from 17wt% to 19wt%, and the balance is Fe; the primary intermediate annealing is bright annealing, the annealing atmosphere is ammonia gas, the annealing temperature is 1,000-1,060 DEG C, and the annealing holding time is 2-10 min; the secondary intermediate annealing is bright annealing, the annealing atmosphere is ammonia gas, the annealing temperature is 1,010-1,050 DEG C, and the annealing holding time is 2-10 min. The drainer drawn piece produced with the production method has the bright, clean and flat surface and is low in cost and stable in antibacterial performance, and mass production is easy to realize.

The invention discloses an ABS composition for improving the ultrasonic welding strength, and a preparation method thereof. The composition comprises, by weight, 80-99 parts of ABS resin, 1-20 parts of a reversible reaction cross-linking agent and 0.1-1 part of an antioxidant. The reversible reaction cross-linking agent is composed of a copolymer A with a side group containing a furan functional group and a copolymer B with a side group containing maleimide. The preparation method of the ABS composition comprises the following steps: (1) adding the ABS resin, the reversible reaction cross-linking agent and the antioxidant into a mixing stirrer, and performing premixing; and (2) carrying out melt blending, extrusion and granulation on a mixture obtained in step (1) by using a double-screw extruder, and performing granulation to obtain the ABS composition for improving the ultrasonic welding strength. Compared with like products in the prior art, the ABS composition of the invention hasthe following advantages: after the reversible reaction cross-linking agent is added, the effect of remarkably improving the welding strength with a PMMA product can be achieved, and the purpose of improving the welding efficiency can be achieved.

The invention relates to a boring cutter. The boring cutter comprises a cutter bar and a cutter body. A conical body is arranged at the left end of the cutter bar and is matched with another conical body of a main shaft hole of a boring machine, and an inner threaded hole is formed in the axis of the conical body. The conical body is connected with a connecting rod of a main shaft of the boring machine through a metric thread, so that the tensioning effect is achieved. Shoulder shafts are arranged at the right end of the cutter bar, a left radial cutter body fixing hole and a right radial cutter body fixing hole are formed in the right ends of the shoulder shafts respectively, and a left boring cutter and a right boring cutter are fixed in the left cutter body fixing hole and the right cutter body fixing hole respectively. The boring cutter is simple in structure, and can carry out hole diameter machining beyond the machining range of equipment.