41results about How to "Composite fastness is good" patented technology

This invention relates to electricity materials technique field and to one silve to copper double compound band process method, which comprises the following steps: firstly grinding the silver metal oxidation with one thin siver band to form silver metal oxidation or silver compound materials; grinding silver metal oxidation and silver compound band through its top silver band layer and copper band heat grinding through heat compound band for annealing.

The invention discloses a preparation method of pomegranate-shaped organic-inorganic nano-composite microspheres, which comprises the following steps: mixing an aqueous dispersion solution of silicon dioxide modified by proper amount of double-bond silane coupling agent in a coupling method with a phenylpropyl monomer, anionic emulsifier, non-anionic emulsifier and water, and stirring simply, so that a milky emulsified liquid is obtained; adding initiator to perform emulsion polymerization in the presence of silicon dioxide, so that the pomegranate-shaped organic-inorganic nano-composite microspheres with multiple silicon dioxide particles wrapped in phenylpropyl emulsion particles are obtained finally and are stably dispersed in the emulsified liquid. The preparation method has the advantages that the sources of the raw materials are extensive, the raw materials are easy to obtain, the preparation process is simple, and moreover, in the prepared pomegranate-shaped organic-inorganic nano-composite microspheres, the wrapping rate of silicon dioxide is high, the structure is neat and the placement stability is good. The adhesion property and the film forming performance of the composite microsphere particles are adjustable, the adhesive force and the transparency of the corresponding glue film are good, and the organic-inorganic nano-composite microspheres can be applied to the fields of coating, textile, rubber, plastics, biology, medicine and the like.

The invention belongs to the technical field of polyethylene materials, and particularly relates to a polyethylene composite film capable of 100% recovery as well as a preparation method and application thereof. The provided polyethylene composite film comprises a composite printing layer, a bonding layer and a composite heat-seal layer which are bonded in sequence, wherein the composite printinglayer is a longitudinally-stretched polyethylene printing film; the direction from the composite printing layer to the composite heat sealing layer is from outside to inside, and the composite printing layer comprises a printing layer outer layer, a printing layer middle layer and a printing layer inner layer in sequence; the bonding layer is a low-density polyethylene film or a solvent-free gluelayer; the composite heat-seal layer is a multi-layer co-extrusion polyethylene heat-seal film and comprises a heat-seal layer outer layer, a heat-seal layer middle layer and a heat-seal layer inner layer in sequence. Experimental results show that the polyethylene composite film capable of 100% recovery can be recycled by 100%, and has the characteristics of small thickness, low density, punctureresistance and low unsealing temperature.

The invention discloses a manufacturing method of an inner pressure pipe type multilayer composite film. The manufacturing method comprises: a, uniformly mixing a film forming polymer, a film forming diluent, a film forming penetrant, a film forming pore forming agent and a film forming additive according to a certain mass percentage ratio, heating to a temperature of 130-390 DEG C with an extrusion molding machine through a thermally induced phase separation method, melting, uniformly mixing, extruding with a pipe type film inner film mold, and cooling to obtain the inner layer film of a pipe type film; b, weaving a warp and weft mesh pipe outside the inner layer film by using a warp and weft weaving machine, wherein it is ensured that the warp and weft mesh pipe is tightly attached to the surface of the inner layer film; c, coating the inner layer film outer layer attached to the warp and weft mesh pipe with a layer of an outer layer film; and d, extracting the prepared inner pressure pipe type multilayer composite film semi-finished product by using ethanol or isopropanol to obtain the inner pressure pipe type multilayer composite film finished product. According to the present invention, the inner pressure pipe type multilayer composite film has advantages of good separation performance, good compounding fastness and good mechanical property, the area of the effective filtration membrane can be increased, and the breaking of the film pipe and the damage caused by the separating and the layering between the filtration membrane layer and the support layer can be effectively avoided, such that the use efficiency and the service life of the film can be improved.

The invention relates to a BOPET film for metal compounding and a preparation method thereof. The BOPET film for metal compounding consists of an upper surface layer, a core layer and a lower surfacelayer. The core layer is composed of: 60%-80% of PET polyester chips, 10%-20% PBT polyester chips and 10%-20% of neopentylene glycol copolymerization modified PET polyester chips. The upper surface layer is composed of: 40%-60% of bottle grade PET polyester chips and 40%-60% of PET polyester anti-stick masterbatch. The lower surface layer is methyl methacrylate graft copolymerization modified PETGheat-seal chip. Compared with the traditional BOPET films and BOPET heat-seal films, the BOPET film for metal compounding provided by the invention has excellent performance in terms of heat sealing,fracture nominal strain, heat shrinkage, etc., and can achieve good compounding fastness after hot lamination with metals. Through hot pressing lamination with iron plates, steel plates, aluminum plates and other metals, the BOPET film can be used for production and manufacturing of chemical tanks, food cans and capacitors. Compared with the traditional iron printing process, the products produced by thermal lamination of the BOPET film with metals have more advantages in performance, material cost, production cost, environmental protection, energy consumption and other aspects.

The invention discloses a lithium battery packaging film with high barrier, acid resistance and alkali resistance, which is manufactured through the following steps of: using a special aluminum alloy aluminum layer as an intermediate base layer, thermally processing the aluminum alloy aluminum layer, respectively plating a layer of functional nanometer silicon material on the upper and lower surface layers of the aluminum alloy aluminum layer, thermally processing through a special process, processing an inner layer and an outer layer with a nanometer barrier and an insulating coating liquid twice; and attaching a layer of high-strength nylon layer to the outer layer of the aluminum alloy aluminum layer, and attaching a layer of polypropylene layer made from nanometer macromolecular materials to the inner layer of the aluminum alloy aluminum layer. By adequately adopting the extreme flexibility, ductility performance, extremely high corrosion resistance and barrier performance of alloy aluminum foil after the alloy aluminum foil is functionally processed, the manufactured lithium battery packaging film has excellent performances such as excellent insulation, cold punching resistance, corrosion resistance, high barrier, high strength and the like.

The invention discloses a water-borne paper-plastic laminating adhesive and a preparation method thereof. The laminating adhesive comprises 30 to 50 parts of butyl acrylate, 40 to 50 parts of vinyl acetate, 3 to 10 parts of acrylic acid, 2 to 3 parts of crosslinking monomer and 0 to 3 parts of other functional monomers. The invention hast the advantages that: the water-borne paper-plastic laminating adhesive is safe, nontoxic, non-combustible and nonexplosive, and has good weatherability and good laminating fastness; and a laminated product has high finishment and good performance.

The invention provides online laminating equipment and a laminating machine for packing bag production and relates to the field of laminating equipment. The online laminating equipment comprises a non-woven fabric forming machine, the laminating machine, a rolling machine and a support. The laminating machine is arranged between the non-woven fabric forming machine and the rolling machine, and thetop end of the laminating machine is fixed to the support. The laminating machine comprise a composite device, a laminating device and a swinging roller device. The swinging roller device comprises afront swinging roller device used for controlling composite smooth of non-woven fabrics and a rear swinging roller device used for controlling the perimeter of the laminated non-woven fabrics to be stable. The non-woven fabrics on the non-woven fabric forming machine sequentially pass through the front swinging roller device, the composite device and the rear swinging roller device to be connected with the rolling machine. According to the online laminating equipment, the production efficiency is improved, the labor cost is reduced, the yield of materials is increased, and the quality is morestable. The invention further provides the laminating machine for packing bag production. The composite smooth stability of the materials is improved.

The invention relates to the field of packaging materials, and in particular relates to a composite bag made of a non-woven fabric material, the composite bag comprises a surface printing layer, a reinforcing layer, a barrier layer and an inner film layer which are sequentially arranged, wherein the reinforcing layer is the non-woven fabric; the reinforcing layer is made of the non-woven fabric, the reinforcing layer is arranged in the composite bag; the non-woven fabric has the advantages of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity, no irritation, rich colors, low price and recyclability; and the non-woven fabric has better tear resistance, so that the tear resistance of the composite bag can be improved.

The invention discloses a composite silver tape manufacturing method and a piece of manufacturing equipment, and relates to an electric contact material manufacturing method and equipment. The working process of the method comprises the steps of silver metal oxide tape and copper tape pre-processing, silver metal oxide tape and copper tape heating, silver oxide tape and copper tape compositing, composite tape annealing, composite tape precision-rolling, composite tape stress eliminating, composite tape anti-oxidation, composite tape slitting, composite tape inspection, and the like. Compared with the prior art, the beneficial effect is that the silver metal oxide tape can be prevented from contacting the outside in the heating process, and the problem that the silver metal oxide is reduced and the performance of the composite silver tape is lowered due to reduction reaction between the protective atmosphere and the silver metal oxide tape is avoided. Moreover, the silver metal oxide tape is put in a slot arranged on the copper tape and hot-rolled, which makes the bonding strength of the composite silver tape higher and compositing fastness higher.

The invention discloses a special copper-aluminum alloy foil composite moistureproof and heatproof film. The film is formed by using a copper-aluminum alloy foil as a middle base layer, attaching a second nano Al2O3 layer on the upper surface of the copper-aluminum alloy foil, attacking a polypropylene and nylon copolymer film on the upper surface of the second nano Al2O3 layer, attacking a firstnano Al2O3 layer on the lower surface of the copper-aluminum alloy foil and attaching a polypropylene layer on the lower surface of the first nano Al2O3 layer; each of the first nano Al2O3 layer and the second nano Al2O3 layer is formed by coating the copper-aluminum alloy foil with nano Al2O3, heating for treatment and coating the outer surface of the copper-aluminum alloy with nano blocking andinsulating coating liquid. The special copper-aluminum alloy foil composite mmoistureproof and heatproof film has excellent insulativity, resistance to cold stamping and corrosion, high blocking performance and high strength.

The invention discloses a manufacturing method and manufacturing equipment of a composite silver strip, and relates to manufacturing methods and manufacturing equipment of electrical contact materials. The method comprises the following working processes: early treatment of a silver metal oxide strip and a copper strip, heating of the silver metal oxide strip and the copper strip, compounding of a silver oxidation strip and the copper strip, annealing of a composite strip, finish-rolling of the composite strip, stress removal of the composite strip, antioxidation of the composite strip, striping of the composite strip, and testing of the composite strip. Compared with the prior art, the manufacturing method and the manufacturing equipment have the beneficial effects that the silver metal oxide strip can be prevented from contacting the outside in the heating process; the problems that protective atmosphere and the silver metal oxide strip are subjected to reduction reaction, so that the silver metal oxide is reduced and the performance of the composite silver strip is reduced are avoided; and meanwhile, the silver metal oxide strip is put into a groove in the copper strip and then is subjected to heat press-rolling, so that the composite silver strip is relatively high in bonding strength and relatively good in compound fastness.

The invention discloses an aluminum foil woven fabric which consists of an upper aluminum foil layer, a flame retardant adhesive layer, a flame retardant woven fabric layer, a film lamination layer and a lower aluminum foil layer which are arranged in sequence from top to bottom, wherein the upper and lower aluminum foil layers are high-purity aluminum foils with the aluminum content of 99 percent; the flame retardant adhesive layer is calcium carbonate-added polyurethane composite glue; the flame retardant woven fabric layer is a low-pressure high-density polyethylene woven fabric; the film lamination layer consists of low-density polyethylene particles; the upper surface of the flame retardant woven fabric layer is compounded with the upper aluminum foil layer through the polyurethane composite glue; the lower surface of the flame retardant woven fabric layer is compounded with the lower aluminum foil layer through the melted low-density polyethylene particles in an adhered manner. According to the aluminum foil woven fabric prepared through the method, on the premise of not affecting the compound fastness and the physical performance of the material, the flame retardancy of the whole material is improved, and heat insulation and preservation of buildings home and abroad and flame retardancy of special packaging materials are met; the aluminum foil woven fabric is heat-insulated, waterproof, breathable and reflexible, can meet a heat insulation requirement, and is wide in application range and high in economical benefit.

The invention relates to a wool knit and lace composite fabric which is mainly used for high-level fashionable autumn/winter clothes for women, belonging to the industry of textile products. The invention is characterized in that the composite fabric is formed by quilting a lace layer (1) with a wool knit layer (2) in a stacking way, and combining a lining layer (3) in the back surface of the wool knit layer (2). In the invention, the composite fabric has the characteristics of gorgeous and fashionable as well as dignified and graceful flower types of the lace fabric, and has the characteristics of plainness, massiness and suitability for winter of the wool knit fabric, and the lace layer and the wool knit layer are quilted in a stacking way, so as to avoid the disadvantage of hard hand feeling of the fabric due to bonding. Moreover, the composite fastness is strong, therefore, the wool knit and lace composite fabric is quite suitable for the high-level fashionable autumn/winter clothes for women.

The invention discloses a scratching-resistant aqueous ink which is prepared from the following raw materials in parts by weight: 30-40 parts of modified polyurethane, 35-50 parts of a modified acrylic resin liquid, 5-10 parts of a pigment, 15-20 parts of titanium dioxide, 5-8 parts of a thickening agent, 10-15 parts of a dispersant, 3-8 parts of benzoin ethyl ether and 35-55 parts of absolute ethyl alcohol. The invention further discloses a preparation method of the scratching-resistant aqueous ink. The modified polyurethane and the modified acrylic resin liquid are used in the preparation process of the scratching-resistant aqueous ink, the modified polyurethane disclosed by the invention has good stability, acid-base resistance and wearing resistance, and the finally prepared scratching-resistant aqueous ink has excellent stability and scratching resistance; due to adoption of the modified acrylic resin liquid, the ink has good adhesion solidness and compounding fastness; in addition, the scratching-resistant aqueous ink disclosed by the invention is high in glossiness, attractive in appearance and applicable to multiple fields.

The invention discloses a copper core cross-linked polyethylene-insulated non-magnetic metal band low-smoke zero-halogen flame-retardant cable. The cable comprises a cable core which is formed by twisting three flame-retardant insulated wire cores; the gap of the cable core is filled with a refractory expansion band, a second aluminum foil woven fabric flame retarding layer is arranged outside thecable core, a non-magnetic metal band is arranged outside the second aluminum foil woven fabric flame retarding layer, and a flame-retarding cable pipe is arranged outside the non-magnetic metal band; and each flame-retardant insulated wire core is formed by an aluminum conductor, a cross-linked polyethylene insulation layer wrapping the aluminum conductor in an extruding mode and a first aluminum foil woven fabric flame retarding layer arranged outside the cross-linked polyethylene insulation layer. The cable has the performances of flame retarding, fire proofing and the like.

The invention belongs to the field of composite adhesives and discloses a water-soluble composite adhesive. The water-soluble composite adhesive is prepared from the following raw materials in parts by weight: 30-50 parts of polyisocyanate, 15-25 parts of water-soluble high polymer, 10-20 parts of polyol, 4-8 parts of emulsifier, 3-6 parts of stabilizer, 2-4 parts of initiator, 15-25 parts of kaolin and the balance of deionized water. The water-soluble composite adhesive disclosed by the invention is low in moisture content, high in drying speed, difficult in deformation and low in dosage andis not absorbed by adhered objects, and thus, the production cost is reduced greatly; the water-soluble composite adhesive prepared by a preparation method disclosed by the invention is stable in performance, excellent in weather resistance and good in compounding fastness; the water-soluble composite adhesive prepared by taking the polyisocyanate, the water-soluble high polymer, the polyol, the kaolin and the like as main raw materials has relatively high bond strength and impact toughness; and the kaolin has a relatively good thickening effect, so that the precipitation of the prepared water-soluble composite adhesive is avoided, and the kaolin can exert a dispersing action.