45results about How to "Guaranteed flame retardant" patented technology

The invention provides a phosphorus-containing flame retardant composition, including: a hypophosphite compound, a DOPO derivative and a polyphosphazene compound. The composition as a flame retardant can play a synergistic effect of several phosphorus-containing compounds, realizes halogen-free flame retardance under small addition amount and reaches level V-0. The invention also provides a contains a polyphenyl ether resin composition containing the above phosphorus-containing flame retardant compositions and a prepreg and a copper clad laminated board prepared from the same. After curing, the polyphenyl ether resin composition achieves flame retardance of V-0 grade under the condition to which the halogen flame retardant does not apply and keeps good dielectric property and heat resistance of polyphenyl ether resin; the prepreg and copper clad laminated board made from the composition have good dielectric property and heat resistance, and realize halogen-free flame retardance to UL 94-V0 grade while ensuring excellent heat resistance and dielectric property; and the composition is applicable to the field of high speed and high frequency printed circuit board, and is in line with the future requirements of green and environmental protection.

The invention relates to a novel mineral reflective thermal insulation coating for architecture and a preparation method thereof. The coating comprises, by weight, 0.1-0.6% of a thickener, 0.2-1.2% of an antifoaming agent, 0.1-0.5% of a dispersing agent, 0.5-1.0% of a stabilizer, 6.0-20.0% of functional pigments, 5.0-27.0% of fillers, 4.0-10.0% of a modified emulsion with a concentration of 46-50wt%, 15.0-23.0% of potassium silicate with a concentration of 28-32wt%, 1.0-5.0% of a water repellent agent, 6.0-10.0% of ceramic microbeads, 0-1.5% of a rheological agent and the balance water. According to the coating and the preparation method thereof, defects of latex type reflective thermal insulation coatings are overcome, national standards are accorded with, and the advantages of being energy-saving, economical, environment-friendly, low-carbon, flame retardant, high temperature resistant, good anti-aging and anti-contamination performances and the like of inorganic coatings are maintained.

The invention relates to a method for preparing honeycomb enhanced phenolic foam composite materials. The method is characterized by including the steps of: (1) pouring phenolic resin foam composite into a die; (2) vertically placing a honeycomb in the phenolic resin foam composite in the die; (3) placing the die with the phenolic resin foam composite and the honeycomb in the step (2) into a baking oven at the temperature of 50-100 DEG C for foaming for 5-10h, and obtaining the honeycomb enhanced phenolic foam composite material. Via one-time soaking and heating consolidation, the method is capable of preparing the honeycomb enhanced foam composite materials with phenolic foam ingredients in the honeycomb materials and phenolic foam filled in honeycomb lattice holes, the operation procedure is extremely simple, only the die and the baking oven are utilized as equipment, so that the method has the advantages of efficiency and low cost, meanwhile, the composite material products can be guaranteed to have the advantages of good combination properties like light weight, sound insulation, heat insulation, specific strength, specific modulus, water resistance and flame retardance.

The invention discloses a high-performance cable for construction. The high-performance cable for construction solves the problem that the existing cable for construction is low in fire resistance, poor in weather resistance, short in service life and the like. The high-performance cable for construction has the advantages of being environmentally friendly, inflaming retarding, waterproof, moistureproof, strong in antijamming capability, excellent in electric performance, long in service life and the like. The high-performance cable for construction structurally comprises a cable core which is composed of a plurality of insulating wire cores arranged in a filling body, each insulating wire core comprises a conductor and a double-layer co-extrusion heterogeneous insulating layer arranged outside the conductor in a pressing and wrapping mode, and the cable core is sequentially wrapped by a wrapping layer, a cable shielding layer, an oxygen separating layer, an armor layer and a cable outer sheath sequentially from inside to outside.

The invention provides a halogen-containing and antimony-free resin composition, a prepreg applying the same, a laminated board and a printed circuit board. The halogen-containing and antimony-free resin composition is composed of, by weight part, 20-50 parts of phosphorous-containing epoxy resin, 20-50 parts of non-frame-retardant epoxy resin, 20-60 parts of compound curing agent, 0.05-1.0 partsof curing promoter and 10-50 parts of compound filler, wherein the compound filler is the combination of phosphorous flame-retardant materials and nitrogen flame-retardant materials, and the compoundcuring agent is halogen-containing compound curing agent. The halogen-containing and antimony-free resin composition achieve phosphorous-bromine-nitrogen synergistic fire-retardant effects through thecompound filler and the compound curing agent, meet the requirements of restriction of International Environment Law on antimony compounds, and meanwhile can endow cured materials with the advantagesof good thermal resistance and dip soldering resistance, low water absorbency and the like.

The invention belongs to the related technical field of lithium ion batteries, and discloses a lithium ion battery, a novel current collector and a preparation method of the novel current collector. The novel current collector comprises a base material layer, bonding layers and a metal layer, the bonding layers are arranged on the two opposite surfaces of the base material layer respectively, the metal layer is arranged on the surfaces, far away from the base material layer, of the bonding layers, and a flame retardant is arranged in the base material layer. Therefore, the commercial copper foil or aluminum foil can be effectively thinned by the polymer base material layer, so that the energy density of the battery is improved, flame retardance can be ensured after the battery is burnt by using the flame retardant, and hidden dangers are reduced.

The invention discloses a high-strength industrial filter cloth and a preparation method thereof. The high-strength industrial filter cloth comprises, by weight, 30 to 40 parts of polyphenylene sulfide yarn, 5 to 10 parts of HDPE, 10 to 20 parts of nylon resin, 4 to 6 parts of polydimethylsiloxane, 0.3 to 0.6 part of carbon black and 6 to 10 parts of BuGong tea saponin. The invention has the following beneficial effects: the polyphenylene sulfide yarn and the nylon resin are used as base materials for preparation of the filter cloth, so the filter cloth has the advantages of high mechanical strength, high temperature resistance, resistance to chemicals, flame retardancy, good thermal stability, excellent electrical performance, etc.; meanwhile, the BuGong tea saponin is used as an additive, so the industrial filter cloth has greatly improved water-absorbing quality, luster and hand feeling.

The invention provides a halogen antimony-free resin composition, as well as prepreg, laminate and printed circuit board using the same. The halogen antimony-free resin composition is prepared from the following components in parts by weight: 25-70 parts of flame-retardant epoxy resin, 10-40 parts of non-flame-retardant epoxy resin, 20-60 parts of a compound curing agent and 0.05-1.0 part of a curing accelerant, wherein the flame-retardant epoxy resin is a composition comprising phosphorus containing epoxy resin, brominated epoxy resin and nitrogen containing epoxy resin. The compound curing agent is further compounded by combining the flame-retardant epoxy resin and non-flame-retardant epoxy resin, so that the phosphorus-bromine-nitrogen synergistic flame-retardant effect can be achieved;and excellent flame retardance is given to a CEM-1 copper cladded laminate, and the technical bottleneck that the halogen antimony synergistic flame-retardant system in a traditional halogen CEM-1 copper cladded laminate cannot be substituted is broken through. The halogen antimony-free resin composition has comprehensive performance advantages of high heat resistance, high damp-heat resistance,low water absorption rate and the like.

The invention provides a flame-retardant PP (polypropylene) composite material and a preparation method thereof. The flame-retardant PP composite material comprises components as follows: 55-65 partsof PP resin, 15-25 parts of wollastonite, 5-10 parts of magnesium-aluminum hydrotalcite, 1-3 parts of phosphomolybdic acid, 3-6 parts of modified nano-zinc oxide, 5-10 parts of silicon rubber, 1-3 parts of a titanate coupling agent, 5-10 parts of a flexibilizer, 0.2-0.8 parts of an antioxidant and 0.5-1.5 parts of polyethylene wax. The preparation method comprises steps as follows: 1), firstly, wollastonite, the silicon rubber, the titanate coupling agent, the PP resin accounting for 30%-40% of total mass and the flexibilizer accounting for 10%-20% of total mass are mixed uniformly, and masterbatches are prepared by an internal mixer; 2), the masterbatches obtained in step 1) are mixed with magnesium-aluminum hydrotalcite, phosphomolybdic acid, modified nano-zinc oxide, the antioxidant, polyethylene wax, the remaining flexibilizer and the remaining PP resin, and a mixture is subjected to melt mixing and dispersing at 210-240 DEG C in a twin-screw extruder and subjected to extruded granulation. The composite material has good hydrophobic property, friction resistance and flame retardant performance.

The invention discloses ultrathin EMI electromagnetic shielding adhesive tape. The adhesive tape includes a tape body, an optical PET layer, a buffer layer and a copper coil layer. The optical PET layer is arranged on one side of the interior of the tape body, a heat conducting layer is installed at the portion, on one side of the optical PET layer, of the interior of the tape body, and the bufferlayer is installed on the side, where the heat conducting layer is away from the optical PET layer, of the interior of the tape body; buffer strips are uniformly installed in the buffer layer, a resin thin film layer is installed on the side, where the buffer layer is away from the heat conducting layer, of the interior of the tape body, and an anti-corrosion layer is installed on the side, wherethe resin thin film layer is away from the buffer layer, of the interior of the tape body. By installing the copper coil layer at the portion, on one side of a first bonding layer, of the tape body,forming second saw teeth on both sides of the copper coil layer and installing the resin thin film layer in the tape body, the surface roughness and the contact surface can be effectively increased, the bonding force among the copper coil layer, an aluminum coil layer and a glue layer is enhanced, the structural stability of the adhesive tape is ensured, and meanwhile, the electromagnetic shielding capability of the adhesive tape is improved.

The invention discloses an anti-wrinkle silver reflecting film and a processing technology thereof. The processing technology comprises the steps that heat conduction powder A and heat conduction powder B are mixed, a solvent is poured into the mixture to prepare heat conduction powder slurry, then an anti-aging oxidation auxiliary, polyurethane resin and the solvent are stirred and mixed, the heat conduction powder slurry is added, and a heat conduction coating is prepared; the upper surface and the lower surface of a PET film are coated with the heat conduction coating at the coating speed of 1.3-1.5 g/m<2> and the coating speed of 0.6-0.9 g/m<2> correspondingly, and a heat conduction pre-coating film is prepared; and the heat conduction pre-coating film and the silver plating film are attached together through polyester-polyurethane glue, and an anti-wrinkle silver reflecting film is obtained. According to the anti-wrinkle silver reflecting film and the processing technology thereof, the prepared silver reflecting film has good anti-wrinkle performance, aging and layering phenomena do not occur even if the silver reflecting film works in a high-temperature environment for a longtime, the adhesion between film layers is good, and the practicability is high.

The invention discloses an improved anti-pollution flashover coating, which is prepared from the following ingredients in parts by weight: 100 parts of hydroxyl-terminated polydimethylsiloxane, 10 to 20 parts of white carbon black, 15 to 50 parts of aluminum hydroxide, 20 to 50 parts of aluminum oxide microspheres, 15 to 30 parts of decabromodiphenyl ether, 5 to 10 parts of pigments, 200 to 300 parts of mixed solvents, 1 to 5 parts of silane coupling agents, 1 to 10 parts of cross-linking agents, 0.5 to 5 parts of catalysts and 5 to 20 parts of lubricating agents. The invention also discloses a preparation method of the improved anti-pollution flashover coating. According to the improved anti-pollution flashover coating disclosed by the invention, aluminum hydroxide and aluminum oxide microspheres with different particle sizes are compounded, and the lubricant is matched, so that the improved anti-pollution flashover coating can greatly reduce the adhesive force of covering ice on the surface of equipment; when the surface of equipment operating outdoors is iced, compared with a traditional anti-pollution flashover coating, the anti-pollution flashover coating can enable ice to fall off more quickly, so that the influence of frost on the operating equipment is reduced.

The invention discloses a method for improving the dyeing performance of aramid fiber cloth. The method for improving the dyeing performance of the aramid fiber cloth comprises the following steps of S1, carrying out plasma treatment on the aramid fiber cloth; and S2, blade-coating the aramid fiber cloth modified in the step S1 with resin slurry to improve the dyeing performance of the aramid fiber cloth, wherein the plasma treatment is oxygen plasma treatment or nitrogen plasma treatment. The method is suitable for dyeing modification of domestic para-aramid and meta-aramid fiber cloth (aramid fiber 1313 and aramid fiber 1414) and foreign imported aramid fiber cloth, and the dyed aramid fiber cloth can be applied to manufacturing of military camouflage protection, weapon covering cloth, special fabrics and clothes. According to the method for improving the dyeing performance of the aramid fiber cloth, the flame-retardant and high-strength performance of the aramid fiber cloth can be kept, the dye-uptake rate of the aramid fiber cloth is greatly increased, and the binding strength between dye and the aramid fiber cloth and the soaping resistance of the dyed cloth are enhanced.

The invention discloses a composite resin based corrosion-resistant floor. The composite resin based corrosion-resistant floor comprises the following raw materials in parts by weight: 1-2 parts of potassium hydrogen sulfate, 6-10 parts of diatomite, 17-20 parts of zirconium oxychloride octahydrate, 10-15 parts of 40%-47% hydrochloric acid, 90-100 parts of 80%-85% phosphoric acid, 3-4 parts of tetrahydroxymethyl phosphonium sulfate, 4-7 parts of 25%-30% methylamine water solution, 5-7 parts of trifluoroethyl methacrylate, 0.2-0.4 part of 2-octyl-4-isothiazolin-3-one, 0.06-0.1 part of ammonium persulfate, 0.01-0.02 part of divinyl benzene, 1-2 parts of azodicarbonamide, 130-170 parts of polyvinyl chloride, 6-8 parts of polyoxyethylene oleate, 20-30 parts of polypropylene, 1-2 parts of hydroxyacetic acid, 3-5 parts of allyl polyethylene glycol and 3-4 parts of magnesium stearate. By blending polypropylene and polyvinyl chloride into a plastic main body, the strength and the acid-alkali resistances of a finished product can be effectively improved, and the comprehensive quality of the product is improved.

The invention provides a thermosetting resin composition, a prepreg using the thermosetting resin composition, a laminated board and a printed circuit board. The thermosetting resin composition comprises epoxy resin, a curing agent, a curing accelerator and a composite flame-retardant filler, wherein the composite flame-retardant filler comprises a DOPO derivative, a melamine salt compound and a metal hydroxide; the DOPO derivative has a structure as shown in a formula (1). Through cooperation of the DOPO derivative, the melamine salt compound and the metal hydroxide in the composite flame-retardant filler, the flame retardance of a cured product can be effectively improved, and the cured product can have good heat resistance and dip soldering resistance and low water absorption.

The invention discloses a ceramic diaphragm and a preparation method and application thereof, and a battery comprising the ceramic diaphragm. The ceramic diaphragm comprises a base material and a ceramic coating compounded on at least one surface of the base material, wherein the ceramic coating is prepared from two or more ceramic powder and a binder; the ceramic powder comprises a main component tetragonal zirconia and a toughened component; the toughened component is one or two or more of cerium oxide, hafnium oxide and magnesium oxide; and the toughened component can be yttrium oxide. Due to the doped toughened component, zirconium oxide can exist in a metastable tetragonal phase at a room temperature, the prepared ceramic powder coats the membrane of taking a polyolefin microporous membrane as the base material, and the zirconium oxide in the tetragonal phase is mutated into zirconium oxide in a monoclinic phase during a sudden rise of the temperature or an impact of external force to absorb one part of energy, so that an effective flame-retardant effect can be achieved, and the stable temperature can be effectively ensured; and the preparation method of the ceramic membrane is simple in process and good in repeatability and has very high promotion and application values.

The invention discloses a silicone-acrylic emulsion anticorrosive floor consisting of the following raw materials in parts by weight: 10-14 parts of silicone-acrylic emulsion, 1-2 parts of copper 8-hydroxyquinoline, 17-20 parts of zirconium oxychloride octahydrate, 10-15 parts of 40-47% hydrochloric acid, 90-100 parts of 80-85% phosphoric acid, 3-4 parts of tetrakis(hydroxymethyl) phosphonium sulfate, 4-7 parts of 25-30% methylamine water solution, 5-7 parts of trifluoroethyl methacrylate, 0.2-0.4 part of 2-octyl-2H-isothiazol-3-one, 0.06-0.1 part of ammonium persulfate, 0.01-0.02 part of divinylbenzene, 1-2 parts of azodicarbonamide, 130-200 parts of polyvinyl chloride, 6-7 parts of polyurethane, 1-2 parts of sodium hydrogen sulfite, 0.7-1 part of beta-hydroxyl alkyl amide, 7-10 parts of borax and 4-5 parts of polyvinyl alcohol. The silicone-acrylic emulsion is added into the silicone-acrylic emulsion anticorrosive floor disclosed by the invention, so that the surface strength and impact resistance of a finished plate are improved, the compatibility among all the materials is improved, and the stability and strength of a finished product are improved.

The invention discloses a combed cotton/graphene polyamide interweaved fabric and a production process thereof. The combed cotton/graphene polyamide interweaved fabric comprises the following components of 60-80 parts of combed cotton and 20-40 parts of graphene polyamide, wherein the combed cotton is the surface, and the graphene polyamide is the bottom. The production process of the combed cotton/graphene polyamide interweaved fabric comprises the following steps of weaving; pre-treatment; primary dyeing; peracid neutralization; first post-treatment; secondary dyeing; second post-treatment;squeezing; and setting. The combed cotton/graphene polyamide interweaved fabric has the characteristics of good wear resistance, better strength, soft hand feeling, difficult wrinkling after water washing and the like; without adding any functional auxiliary agent, the fabric can be endowed with the antistatic, antibacterial, anti-ultraviolet, far-infrared, anti-mite and deodorization functions and other functions; and a high-washability product provided with the functional auxiliary agent realizes the multi-functionality and durability of the fabric.

The invention discloses an HDPE (high-density polyethylene)/PVC (polyvinyl chloride) blended modified material, and belongs to the technical field of resin materials. The blended modified material comprises the following components in parts by weight: HDPE, PVC, a compatibilizer, a coupling agent, a heat stabilizer, a filler, a lubricant, a plasticizer and an impact modifier; the compatibilizer is maleic anhydride grafted polyethylene and maleic anhydride grafted polypropylene; and the filler is basic magnesium sulfate whiskers activated by PMMA and talcum powder. According to the HDPE/PVC blended modified material provided by the invention, the basic magnesium sulfate whisker and the talcum powder are modified by utilizing the hard PMMA, so that the adhesive force of an obtained finished product to a paint film can be improved, and meanwhile, the dispersity and compatibility of a filler in an HDPE/PVC blended polymer are favorably improved.

The invention provides a halogen antimony-free resin composition, a prepreg using the same, a laminated board and a printed circuit board. The halogen antimony-free resin composition comprises the following components in parts by weight: 25 to 70 parts of flame-retardant epoxy resin, 10 to 40 parts of non-flame-retardant epoxy resin, 20 to 60 parts of a curing agent, and 0.05 to 1.0 part of a curing accelerant; and the flame-retardant epoxy resin comprises a composition of phosphorus-comprising epoxy resin, bromination epoxy resin and nitrogen-comprising epoxy resin. By virtue of the cooperation of the flame-retardant epoxy resin and non-flame-retardant epoxy resin, especially the cooperation of three flame-retardant epoxy resin, a phosphorus-bromine-nitrogen synergistic flame-retardant effect can be achieved, a CEM-1 copper-coated laminated board is good in flame retardant property, the technical bottle neck that the halogen antimony synergistic flame-retardant system in the traditional halogen CEM-1 copper-coated laminated board cannot be replaced is broken through, and the halogen antimony-free resin composition has the advantages of significant comprehensive performance such ashigh heat resistance, high damp heat resistance and the like.