51results about How to "With water resistance" patented technology

The invention discloses an offshore floating wind power generation cable, which comprises conductors, insulating layers, an inner lining layer, an inner protection layer, tensile components, floating components, a waterproof layer, protective layers and an outer sheath, wherein the conductor is coated with the insulating layer by way of extrusion so as to form insulating wire cores, and a plurality of insulating wire cores are stranded into a cable core; the cable core is respectively coated with the inner lining layer and the inner protection layer by way of extrusion; two protective layers are wound outside the inner protection layer, each protective layer consists of a plurality of protective elements which are arranged in the shape of circle, and each protective element is formed by coating the tensile component with the floating component by way of extrusion; the two protective layers are respectively coated with the waterproof layer, the protective layer and the outer sheath by way of outward extrusion; the insulating layers and the inner lining layer are made of thermoplastic elastomeric materials by way of extrusion; and the insulating layer is made of thermoplastic polyolefin (TPO) materials in thermoplastic elastomer (TPE), and the inner lining layer is made of toughened polystyrene (TPS) materials in TPE. The wind power generation cable of the invention has the advantages of low temperature resistance, bending resistance, torsion resistance, abrasion resistance, water blocking, corrosion resistance, weather fastness, high tensile strength, and capability of effectively preventing the damages of stormy waves and other floaters over the sea to the cables.

The invention provides a halogen-free and flame-proof insulating power cable. The halogen-free and flame-proof insulating power cable is that insulating cable cores are of a 3+2 structure and comprises a copper conducting core formed by stranding soft copper wires, and a covered insulating layer; halogen-free and flame-proof filling materials fill between the insulating cable cores and are wrapped through a water blocking tape; a composite belt is arranged at the outside of the water blocking tape; a shielding layer is arranged at the outside of the composite belt; an external halogen-free and flame-proof protecting sleeve is arranged at the outside of the shielding layer; the halogen-free and flame-proof filling materials and the external halogen-free and flame-proof protecting sleeve are prepared from polytetrafluoroethylene composite materials. According to the halogen-free and flame-proof insulating power cable, the water blocking tape, the outer protecting sleeve layer and the like are used as the waterproof parts; meanwhile, the internal filled material is high polymer material added with termite / rat repellents; therefore, the cable is resistant to water and termite and rat, and as a result, the use safety of the cable can be improved.

The invention discloses a waterproof flame-retardant paint. The paint consists of the following raw materials: 11-12 parts of acrylonitrile, 3-5 parts of methyl methacrylate, 3.5-3.8 parts of non-floating aluminium powder liquid and 7-9 parts of a mixture of chlorinated paraffin and antimony oxides. The paint is simple in production method and low in production cost, has a waterproof function and satisfies use effect requirements of users; and the mixture of the chlorinated paraffin and the antimony oxides is added into the methyl methacrylate and has a main function of flame retardance, the fire spreading velocity can be reduced to the maximum extent when accidents are occurred, and the safety coefficient is increased.

The invention discloses a polystyrene antirust paint which is prepared from the following raw materials in parts by weight: 80-110 parts of polystyrene resin, 20-30 parts of diphenyl ether resin, 12-15 parts of hydroxyethyl cellulose, 10-14 parts of thiosinamine, 10-22 parts of epoxy phenolic resin, 6-8 parts of cobalt oxide, 5-9 parts of calcium oxide, 4-8 parts of hydrazine citrate and 6-10 parts of phenyltrimethoxysilane. The commercial test proves that the paint has the advantages of excellent water resistance, excellent oxygen resistance, favorable antirust effect, short drying time, lower requirements for materials and techniques and higher cost performance, can effectively avoid or reduce metal loss, and is beneficial to popularization.

The invention discloses a fan-shaped high-flexibility robot cable which comprises a cable core, wherein the cable core is formed by a filling cotton rope at center, first, second and third fan-shaped insulated wire core layers and waterproof layers which are twisted toward the left side; the first, second and third fan-shaped insulated wire core layers are arranged on the exterior of the filling cotton rope by taking the filling cotton rope as the center of circle; the waterproof layers are extruded on the exteriors of the fan-shaped insulated wire core layers; a non-woven fabric is wound toward the right side on the exterior of the cable core; an elastomer PVC jacket is extruded on the non-woven fabric. The fan-shaped high-flexibility robot cable has the characteristics of simple structure, light weight, high flexibility, high stretching resistance, bending resistance, torsion resistance, and the like.

The invention relates to a novel tunnel initial support structure. The novel tunnel initial support structure includes a support foundation, a connecting type steel column, a steel arch, a steel plate, micro-expansion fine stone concrete and quick-setting fine stone concrete; the support foundation is cast-in-place reinforced concrete structure, the connecting type steel column is located on the support foundation, lateral anchoring ribs are arranged on the adjacent sides, close to the contour line of a tunnel, of the support foundation and the support foundation is anchored in the outer stratum of the tunnel, inverted arch reserved ribs are reserved on the outer side surface of the support foundation, and the support foundation is provided with grooves for placing water collecting pipes;the steel arch and the connecting type steel column are connected by bolts or welding; the steel plate is a light and thin straight-surface steel plate or corrugated steel plate, and the steel plate and the steel arch are connected by welding and units of the steel plate are connected by welding. The novel tunnel initial support structure has beneficial effects that compared with a traditional initial support structure, the structure of the novel tunnel initial support structure is relatively simple, the implementability is better, the micro-expansion fine stone concrete filled tunnel excavation surface plays a certain backpressure role, and stability of the tunnel excavation surface can be ensured.

The invention discloses multifunctional cellulose film and a preparation method thereof. Cellulose is oxidized by sodium periodate and then is chemically grafted with polyethyleneimine, centrifugal separation is carried out on the reaction product, the obtained precipitate is washed, suction filtering is carried out, and heat curing is carried out for forming the multifunctional cellulose film. The cellulose membrane provided by the invention simultaneously has the properties of water resistance, oil resistance, ultraviolet absorption and environmental sensitivity, can be used for glass external walls, display outer screens, environmental humidity detectors and the like, and can exert the effect of ultraviolet absorption, stain prevention and scratch prevention.

The invention discloses a high vacuum barrier film with double heat-seal layers, and a preparation method of the high vacuum barrier film. The high vacuum barrier film with the double heat-seal layerscomprises the external heat-seal layer, a nylon layer, a polyester aluminized film layer, an aluminum foil layer and the internal heat-seal layer which are sequentially arranged from outside to inside. The preparation method comprises the following steps: compounding the polyester aluminized film layer with the aluminum foil layer by hot-pressing so as to obtain an intermediate product A; enabling the aluminum foil layer of the intermediate product A to be contacted with the internal heat-seal layer, and compounding by hot-pressing so as to obtain an intermediate product B; coating the nylonlayer with the external heat-seal layer to obtain an intermediate product C; adding a bonding agent into a space between the nylon layer of the intermediate product C and the polyester aluminized filmlayer of the intermediate product B, and compounding by hot-pressing so as to obtain an intermediate product D; placing the intermediate product D in an environment of 50-60 DEG C for 12-15h to obtain the high vacuum barrier film with the double heat-seal layers. The high vacuum barrier film provided by the invention is provided with the double heat-seal layers, can enable the internal heat-seallayer to be in hot melting connection with a core material when being used for preparing a vacuum insulated panel, and is good in sealing property and puncture-resistant.

The invention discloses waterborne paint, comprising, by weight, 10-12 parts of acrylonitrile, 3-6 parts of methyl methacrylate, 3.6-4.0 parts of non-floating aluminum powder slurry, 40-50 parts of SiO2 sol dispersion, and 50-58 parts of poly(caprolactone) diol. A manufacture method of the waterborne paint is simple, the manufacture cost is low, and the waterborne paint has good water resistance and can meet the requirements of people for service effect.

The invention discloses ash-calcium-based water-resistant putty. The ash-calcium-based water-resistant putty is characterized in that the putty is prepared from the following components in parts by weight: 15-20 parts of gel, 80-85 parts of a filling material, 0.4-0.5 part of water-retaining agent cellulose, 0.03-0.05 part of a thickener, 1-3 parts of 84 disinfectant powder, 10-20 parts of glass powder, 0.3-0.5 part of a mold inhibitor, 1-2 parts of a quantum catalyst and 3-5 parts of mica powder. The ash-calcium-based water-resistant putty has the beneficial effects that the putty is less liable to mould; the putty is strong in adhesive force, and is less liable to fall off; the putty is hard after drying, is good in water resistance, and is washing resistant; the dispersibility is good;the brushing effect is good.

The invention discloses a method for preparing a zeolitized particle material by using coal gangue power generation dust residue. The method comprises the steps that the dust residue is selectively smashed and screened in a drum type pot mill to obtain particles with different grain sizes, and the particles are sorted to a plurality of grain levels according to demands; the particles at differentgrain levels are respectively added into a sodium hydroxide solution to be subjected to a hydrothermal reaction, thus the surface of the particles crystalizes and grows 4A zeolite, that is, the zeolitized particle material. The zeolitized particle material prepared by the method can be widely applied to percolation fillers for treating polluted rainwater, river water, lake water, domestic wastewater and the like in sponge city construction, and has the advantages that the sources of the raw materials are wide, the waste is comprehensively utilized, and the preparation cost is low.