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32results about How to "In line with the development concept of green environmental protection" patented technology

Coating process for coating wood veneer board with UV coatings in roll coating mode

The invention discloses a coating process for coating a wood veneer board with UV coatings in a roll coating mode. The coating process comprises the following steps of 1 wood veneer board pretreatment, 2 roll coating of water-based UV transparent primer, 3 infrared drying and ultraviolet curing, 4 roll coating of UV transparent primer, 5 sand cleaning and dust removal, 6 roll coating of UV padding finishing coat, 7 laser roll coating of UV sub-gloss surface cleaning varnish, 8 infrared leveling and 9 ultraviolet curing and detection packing. The coating process for coating the wood veneer board with the UV coatings in the roll coating mode is simple, high in efficiency, low in cost and free of pollution, and the surface effect can reach a PU coating open effect.
Owner:HUIZHOU CHANGRUNFA PAINT +1

Cold-mixed and cold-laid asphalt mixture, and cold-mixed and cold-laid asphalt mixture wearing layer

The invention provides a cold-mixed and cold-laid asphalt mixture, and a cold-mixed and cold-laid asphalt mixture wearing layer, and belongs to the technical field of road engineering. The cold-mixedand cold-laid asphalt mixture comprises coarse aggregates, fine aggregates, high-performance modified emulsified asphalt, a mineral filler, water and a liquid additive. The asphalt mixture prepared from above cold-mixed and cold-laid material components according to a special mineral grading range can be closely bonded to an old asphalt pavement and a cement pavement; and compared with traditionalmicro-surfacing and super-sticky wearing layer materials, the mixture has higher resistance to crack, water and skid and lower driving noises.
Owner:SOUTH CHINA UNIV OF TECH +1

Water-based additive composite

The invention provides a water-based additive composite. The water-based additive composite comprises the following components of: primary amine at least containing an alpha-site hydroxyl group, and secondary amine or tertiary amine at least containing a hydroxyl group. The composite has functions for being used for preparing water-based coating, water-based ink, water-based bonding agents and water-based sealants, volatilized formaldehyde removers, freezing-thawing stabilizers (anti-freezing agent), metal container tank internal-corrosion and flash-rust inhibitors, construction time limit delayers, adhesive force promoters, pH regulators, auxiliary dispersing agents, VOC (Volatile Organic Compound) content reducers and the like. A preparation method of the water-based additive composite provided by the invention is as follows: the components of the composite are mixed and stirred under the condition from the ambient temperature to the proper heating temperature according to an arbitrary sequence, and are dispersed till that homogeneous dispersoids are obtained.
Owner:方海波

Ultraviolet curing white base paint and construction process on medium density fiber by using same

The invention discloses ultraviolet curing white base paint and a construction process on the medium density fiber by using same. The ultraviolet curing white base paint comprises the following components in parts by weight: 20-35 parts of urethane acrylate, 20-30 parts of modified polyester acrylate, 15-20 parts of monomer, 10-20 parts of filler, 3-5 parts of photoinitiator, 0.5-1 part of anti-settling agent and 0.2-0.3 parts of defoaming agent. The construction process of the invention comprises the following steps: firstly spraying quick-drying water-based white base paint on a bottom plate, polishing, coating the ultraviolet curing white base paint on the bottom plate once, performing ultreviolet curing, polishing, and then coating polyurethane (PU) colored paint. Compared with the traditional process, the adhesive force of the base paint used in the construction process of the invention is not lower than that of the base paint used in the traditional process, or even higher; and the operation is simple, the construction time is short, the efficiency can be greatly increased, the energy can be saved and the emissions of the volatile organic compound (VOC) can be greatly reduced.
Owner:HUIZHOU CHANGRUNFA PAINT

Ultra-high performance concrete slab seam connecting structure and construction method thereof

InactiveCN107675812AGive full play to the high strengthGive full play to resilienceBuilding insulationsCrack resistanceEconomic benefits
The invention relates to an ultra-high performance concrete slab seam connecting structure and a construction method thereof. The ultra-high performance concrete slab seam connecting structure comprises two ultra-high performance concrete slabs positioned in the same plane, wherein a cast-in-situ seam is left in the middle between the two ultra-high performance concrete slabs; a high-strength steel wire mesh is arranged in each ultra-high performance concrete slab; one side, facing the cast-in-situ seam, of the high-strength steel wire mesh penetrates out from the lateral part of the same sideof the ultra-high performance concrete slab and extends into the cast-in-situ seam; the extending-out parts of the high-strength steel wire meshes at two sides are connected through a high-strength steel wire mesh sheet; and an ultra-high performance concrete slab seam plate for connecting the ultra-high performance concrete slabs at two sides is cast in the cast-in-situ seam. The ultra-high performance concrete slab seam connecting structure has the advantages that the stress is reasonable; the strength is high; the structure dead weight can be greatly reduced; the mechanical property is excellent; the durability is high; the problem of damage of concrete slabs and concrete slab seam regions is effectively solved; the capability of high strength, high toughness and crack resistance of the ultra-high performance concrete is fully realized; and great practical values and good economic benefits are realized in the engineering practice.
Owner:FUZHOU UNIV

Concrete support with temporary support being used as permanent structure in cover-excavation method and construction method of concrete support

The invention discloses a concrete support with a temporary support being used as a permanent structure in a cover-excavation method and a construction method of the concrete support. The constructionmethod comprises the following steps that S10, ground leveling is conducted, and enclosure structures on both sides are constructed; S20, middle temporary vertical columns corresponding to road shoulders are constructed; S30, a foundation pit is excavated until the height where a top plate is located after a station is built is reached; S40, a first section of top plate is constructed, and the temporary top support is formed between the first section of top plate and the enclosure structure on the other side through construction of the concrete support; S50, the foundation pit is continuouslyexcavated, and a middle support and a bottom support are constructed; S60, longitudinal beams are constructed, and pouring construction is conducted; and S70, the other section of top plate is constructed with the concrete support serving as an inner support and connected with the first section of top plate. According to the concrete support with the temporary support being used as the permanentstructure in the cover-excavation method and the construction method of the concrete support, the temporary concrete support can be used as the permanent top support, and the problems in aspects suchas construction period delaying, resource waste and environmental protection caused by dismantling of the top plate of the temporary support can be avoided.
Owner:GUANGZHOU METRO DESIGN & RES INST

Method for preparing antarctic krill enzymatic hydrolysate through subcritical extraction and enzymolysis

The invention discloses a method for preparing antarctic krill enzymatic hydrolysate through subcritical extraction and enzymolysis. Frozen antarctic krill is used as raw materials. The method mainlycomprises the steps of pretreating the raw materials, performing extraction, collecting extraction products, performing multiplestep continuous enzymolysis and the like. According to the method, the subcritical degreasing technique is combined with a multiplestep enzymolysis technique, degreasing and enzymolysis of the antarctic krill are realized at the same time, and the obtained antarctic krillenzymatic hydrolysate is high in nutrient value and good in mouth feel. The entire process is non-toxic, harmless, free from pollution, and low in operation cost, and industrial mass production can be realized.
Owner:ZHEJIANG UNIV OF TECH

Prefabricating construction method of steel and superhigh performance concrete combined beam of steel rib plate type bridge floor

The invention relates to the technical field of combined beams, in particular to a prefabricating construction method of a steel and superhigh performance concrete combined beam of a steel rib plate type bridge floor. The method includes the following steps of firstly, machining, manufacturing and installing a steel main beam; secondly, machining and installing a zigzag-form steel plate; thirdly, pouring a superhigh performance concrete bridge floor plate; fourthly, curing superhigh performance concrete, drawing out an air bag or a foam plate before high-temperature curing and after superhigh performance concrete reaches the demolding strength; fifthly, installing a combined bridge floor plate; sixthly, connecting transverse seams of the combined bridge floor plate; seventhly, constructing a fence or an anti-collision wall; eighthly, paving the constructed bridge floor. The combined beam formed through the prefabricating construction method can effectively reduce the stress concentration degree of a fatigue sensitive part and improve the fatigue performance of the orthotropic steel bridge floor plate.
Owner:FUZHOU UNIV

High-toughness flame-retardant PLA composite material and preparation method thereof

The invention relates to the field of high polymer materials, in particular to a high-toughness flame-retardant PLA composite material and a preparation method thereof. The composite material comprises the following raw materials in percentage by weight: 34.4%-89.3% of PLA, 5.0%-20.0% of a flame retardant, 1.0%-15.0% of a charring agent, 5.0%-20.0% of a toughening agent, 1.0%-5.0% of an anti-dripping agent, 0.2%-1.0% of an antioxidant and 0.5%-1.5% of a processing aid. The preparation method mainly comprises the following steps: mixing the components of the high-toughness flame-retardant PLA composite material through a torque rheometer, and carrying out twin-screw extrusion granulation or compression molding through a full-automatic tablet press to obtain the high-toughness flame-retardant PLA composite material. The flame retardant adopted in the invention is halogen-free. The material is low in toxicity and conforms to the development concept of environmental protection; the flame retardant, the charring agent and the anti-dripping agent are added at the same time, so the dripping phenomenon in the PLA combustion process can be effectively inhibited, the flexibilizer with good compatibility with PLA is added, introduction of the compatilizer is avoided, resources are saved, and the cost is reduced. Due to the introduction of the toughening agent, the toughness of the PLA composite material is improved, and meanwhile, due to good biocompatibility, the PLA composite material is well dispersed in a PLA matrix, and the mechanical property of PLA is not influenced.
Owner:方金丹

Steel formwork partition plate assembly for construction of flexible particle waterproof protection layer and construction method

The invention provides a steel formwork partition plate assembly for construction of a flexible particle waterproof protection layer and a construction method, and relates to the technical field of building waterproofing. The steel formwork partition plate assembly comprises a steel formwork partition plate, inner supporting parts and limiting columns. The construction method comprises the steps that the steel formwork partition plate is placed between a basement outer wall and a foundation pit wall, thus the inner supporting parts abut against the basement outer wall, the limiting columns areinserted into the bottom of the backfilling position along the side wall of the steel formwork partition plate, the space between the steel formwork partition plate and the basement outer wall is backfilled with flexible particle fillers, the space between the steel formwork partition plate and the foundation pit wall is backfilled with backfill soil, the steel formwork partition plate and the limiting columns are elevated upwards, repetitive backfilling of the flexible particle fillers and the backfill soil is conducted, the steel formwork partition plate and the limiting columns are elevated repeatedly, repetitive backfilling is conducted till the flexible particle waterproof protection layer is formed between the basement outer wall and the steel formwork partition plate, and a normalbackfilling layer is formed between the foundation pit wall and the steel formwork partition plate. The problems that in the prior art, before a basement and an underground garage are backfilled, a waterproof layer protecting layer needs to be arranged, consequently, building materials are wasted, and the construction time is prolonged are solved.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD

Luggage plastic sheet and preparation method thereof

The invention belongs to the technical field of luggage materials and relates to a luggage plastic sheet and a preparation method thereof. The upper surface of the luggage plastic sheet is a brushed face while the lower surface of the same is a smooth face, and the luggage plastic sheet is made of PVC. The preparation method includes following steps: well mixing various raw materials for preparingPVC, feeding into an extruder, heating for extrusion, calendering an extruded material, using a compression roller to emboss after calendering, shaping at constant temperature after embossing, cooling after shaping, and winding after cooling to obtain the luggage plastic sheet, wherein the surface of the compression roller is engraved with brushed texture. By using the PVC brushed sheet for making luggage, the luggage has metal brushed texture and is light, thin, flexible, high in impact resistance and environment-friendly.
Owner:ZHEJIANG ZHONGBANG PLASTIC CO LTD

A semiconductor wafer cleaning device

The invention relates to the technical field of a semiconductor wafer technology and in particular relates to a semiconductor wafer washing device. The semiconductor wafer washing device comprises a framework, a clamp, a water tank and a spraying device, wherein a motor is arranged at the left side of the framework; a screw rod which is connected with the framework through a bearing is arranged atthe lower side of the motor; a first fixed block is arranged on the screw rod; the clamp is arranged at the front side of the first fixed block; a fixed plate is arranged at the lower side of the screw rod; the water tank is arranged at the left side of the top of the fixed plate; the spraying device is arranged at the right side of the water tank. According to the semiconductor wafer washing device, a gear and a movable frame are arranged so that up-down reciprocating motion of the clamp can be realized and the washing degree of a wafer is facilitated; an electric guide roller is arranged sothat the wafer can be rotated and the washing effect is facilitated; the spraying device is arranged so that the wafer can be sprayed and washed and the cleanliness of the wafer is improved; meanwhile, the cyclic utilization of water resources is also realized through the spraying device and the semiconductor wafer washing device meets an environment-friendly development concept.
Owner:JIANGSU NEPES SEMICON

Antibacterial silk fibroin and preparation method thereof

The invention discloses antibacterial silk fibroin, actinomycin is loaded on the silk fibroin through a specific method, and the silk fibroin is functionalized by fully utilizing the wide biological activities of the actinomycin, such as anti-tumor, anti-bacterial, anti-virus and the like, so that the silk fibroin with high antibacterial property is prepared; the actinomycin has a good dyeing effect on the silk fibroin, the dye uptake is as high as 89.50%, and the actinomycin and the silk fibroin are firmly combined in a chemical mode, so that the prepared silk fibroin has stable antibacterial performance, and the silk fibroin combined with the actinomycin has an obvious inhibiting effect on staphylococcus aureus.
Owner:ZHEJIANG SCI-TECH UNIV

Ultra-high performance concrete slab joint connection structure and its construction method

The invention relates to an ultra-high performance concrete slab seam connecting structure and a construction method thereof. The ultra-high performance concrete slab seam connecting structure comprises two ultra-high performance concrete slabs positioned in the same plane, wherein a cast-in-situ seam is left in the middle between the two ultra-high performance concrete slabs; a high-strength steel wire mesh is arranged in each ultra-high performance concrete slab; one side, facing the cast-in-situ seam, of the high-strength steel wire mesh penetrates out from the lateral part of the same sideof the ultra-high performance concrete slab and extends into the cast-in-situ seam; the extending-out parts of the high-strength steel wire meshes at two sides are connected through a high-strength steel wire mesh sheet; and an ultra-high performance concrete slab seam plate for connecting the ultra-high performance concrete slabs at two sides is cast in the cast-in-situ seam. The ultra-high performance concrete slab seam connecting structure has the advantages that the stress is reasonable; the strength is high; the structure dead weight can be greatly reduced; the mechanical property is excellent; the durability is high; the problem of damage of concrete slabs and concrete slab seam regions is effectively solved; the capability of high strength, high toughness and crack resistance of the ultra-high performance concrete is fully realized; and great practical values and good economic benefits are realized in the engineering practice.
Owner:FUZHOU UNIV

Nano silicon carbide particle reinforced copper-based spherical metal powder suitable for 3D printing and preparation method thereof

The invention discloses a preparation method of nano silicon carbide particle reinforced copper-based spherical metal powder suitable for 3D printing. Small-size nano silicon carbide particles are added into copper powder in a dispersed mode through a molten salt-ultrasonic dispersion method, and the prepared material can effectively make up for the defects that a pure copper material is low in use temperature, poor in high-temperature strength and prone to abrasion by making full use of the advantages of high hardness, high strength, high use temperature and small thermal expansion coefficient of silicon carbide, so that the room-temperature and high-temperature mechanical properties of the pure copper material are effectively improved. The preparation method has the advantages that the preparation process is simple, the process is controllable, the repeatability is good, a material system is convenient to adjust, and the method is suitable for laboratory and industrial small-batch production.
Owner:GUANGDONG INST OF NEW MATERIALS

Yarn printing device based on ring spinning frame, and yarn printing method thereof

The invention relates to a yarn printing device based on a ring spinning frame, and a yarn printing method thereof. An original ring spinning frame is modified, a printing nozzle is additionally arranged in front of a front roller, and spinning and yarn printing are simultaneously carried out on the spinning frame through blending of yarn printing paint and a post-dyeing treatment process. By improving the existing ring spinning technology, yarns with printed patterns are spun, so that the production cost of products is reduced, the production process is simplified, the production period is shortened, energy consumption in the production process is low, the pollution emission is minimized, and the unique product style is obtained.
Owner:SHANGHAI BADA TEXTILE PRINTING & DYEING GARMENTCO

Preparation method of aqueous epoxy heavy anticorrosion coatings

The invention discloses a preparation method of aqueous epoxy heavy anticorrosion coatings. A SiO2 hollow microsphere modified FeOCl heavy anticorrosion coating and an aniline modified FeOCl heavy anticorrosion coating are prepared by using an MU-601 epoxy resin emulsion and a CU-600 aqueous epoxy resin curing agent as film forming substances and using a flash rust inhibitor, a silane coupling agent KH-550 and an anti-settling agent as auxiliary substances. The preparation method greatly reduces the VOC content, avoids resource wastes and meets the green and environmentally-friendly development idea; the SiO2 hollow microsphere modified FeOCl heavy anticorrosion coating has the advantages of non-toxicity, environmental protection, low production cost, realization of cooperative use together with other antirust pigments, and wide development prospect; the aniline modified FeOCl heavy anticorrosion coating has the multiple heavy anticorrosion properties of a layered filler, iron oxide and polyaniline, and has excellent anticorrosion performance; and the preparation method is simple.
Owner:铜陵四通环境科技有限公司

Inhibitor for eliminating filament breakage in the process of producing alkali-free glass fibers

The invention discloses an inhibitor for eliminating filament breakage in the process of producing alkali-free glass fibers. A raw material of coal-measures kaoline, hard kaolin or refractory clay is subjected to ore proportioning, crushing and grading to prepare superfine powder, namely the inhibitor, and the inhibitor comprises 44.0 to 50.0 percent of SiO2, 36 to 42 percent of Al2O3, 0.3 to 0.8 percent of Fe2O3, 0.5 to 2.0 percent of TiO2, 0.1 to 1.5 percent of K2O+NaO2, 0.1 to 1.5 percent of CaO+MgO and 12 to 16 percent of H2O. The inhibitor accelerates glass generation and reduces energy consumption by controlling product granular size and size distribution and other means, and prevents minerals from changing phase and further generating impurities so as to reduce the phenomenon of filament breakage. The product can completely replace alkali-free clay powder used in the conventional glass fiber industry.
Owner:宜昌慧龙科技开发有限公司

Steel form partition assembly and construction method for construction of flexible granular waterproof protective layer

ActiveCN110453729BPrevent the phenomenon of falling to the wall of the foundation pitEnsure stabilityProtective foundationEmbankmentsBasementArchitectural engineering
The invention proposes a steel formwork partition assembly and a construction method for the construction of a flexible granular waterproof protective layer, which relate to the technical field of building waterproofing. The steel formwork partition assembly includes a steel formwork partition, an inner support and a limit column. The construction method includes: Place the steel form partition between the outer wall of the basement and the wall of the foundation pit, make the inner support against the outer wall of the basement, insert the limit column into the bottom of the backfill along the side wall of the steel form partition, and place it on the steel form partition Backfill the flexible granular filler between the basement wall and the basement wall, backfill the backfill soil between the steel formwork partition and the foundation pit wall, lift up the steel formwork partition and limit columns, repeatedly backfill the flexible granular filler and backfill soil, and repeatedly lift the steel formwork Partition boards and limit columns are backfilled repeatedly until a flexible particle waterproof protective layer is formed between the basement wall and the steel formwork partition, and a normal backfill layer is formed between the foundation pit wall and the steel formwork partition, which solves the problems in the basement in the prior art. , The need to install a waterproof layer protective layer before backfilling the underground garage leads to the waste of building materials and the prolongation of construction time.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD

High-strength regenerated ceramsite composite prefabricated product

The invention provides a high-strength regenerated ceramsite composite prefabricated product which comprises the following component raw materials: a cementing material, regenerated ceramsite, aggregate, a water reducing agent and mixing water, the density of the regenerated ceramsite is 365-415 kg / m < 3 >, the particle size is 2-10 mm, and the cylinder compressive strength is 3.1-3.9 MPa. According to the invention, the raw materials are reasonably selected, the regenerated ceramsite is self-made, and the prefabricated product has excellent mechanical properties and structural stability; and the concrete product has the advantages of favorable rheological property, high blending uniformity and excellent combination effect and strengthening performance among the components, effectively improves the performance parameters of the product, conforms to the green and environment-friendly development concept, has high comprehensive practicability, and is worthy of popularization and application.
Owner:NANJING BEILIDA NEW MATERIAL SYST ENG

Paper hydrophobic modifier, preparation method and application thereof

The invention discloses a paper hydrophobic modifier, a preparation method and application thereof, wherein the structural formula of the paper hydrophobic modifier is shown in the specification, and R is rosin or a derivative thereof. According to the invention, the paper hydrophobic modifier is prepared through a reaction of rosin or a derivative thereof, a 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and a silane coupling agent, can perform composite modification on paper, can obtain hydrophobic and flame-retardant paper through the synergistic interaction effect, and has good mechanical strength.
Owner:NANJING FORESTRY UNIV

Novel bamboo-steel-building waste combined component and manufacturing method

The invention relates to a novel bamboo-steel-building waste combined component and a manufacturing method. The combined component is composed of an FRP layer, a cork layer, a hollow ribbed thin-wall steel cylinder, building waste and a bamboo cylinder. During manufacturing, the hollow ribbed thin-wall steel cylinder is formed by one-time casting in a factory, and the bamboo cylinder is placed on the inner side of the hollow ribbed thin-wall steel cylinder; building waste is poured into a fan-shaped space formed by the hollow ribbed thin-wall steel cylinder and the bamboo cylinder, the hollow ribbed thin-wall steel cylinder is tightly wrapped with the cork layer with the thickness not smaller than 30 mm, and the outer side of the cork layer is wrapped with the FRP layer through epoxy resin glue. Compared with a traditional construction method, the manufacturing method has the advantages of light weight, high strength, resource conservation, environment friendliness, corrosion resistance, fire resistance, attractive appearance and the like.
Owner:NANJING FORESTRY UNIV

FRP biomass composite component with circular exterior and square interior and manufacturing method

The invention relates to an FRP biomass composite component with the round exterior and the square interior and a manufacturing method. The component sequentially comprises a bamboo layer, a gypsum layer, a hollow ribbed thin-wall steel cylinder, a biomass material and an FRP profile square cylinder from outside to inside. The manufacturing method comprises the steps that the hollow ribbed thin-wall steel cylinder is cast in a factory at a time, and the four steel ribs are evenly distributed in the hollow ribbed thin-wall steel cylinder; the FRP section square cylinder is placed on the inner side of the hollow ribbed thin-wall steel cylinder, and the FRP section square cylinder is fixed to the center of the steel cylinder through the four steel ribs; the space formed by the steel cylinder and the FRP section bar square cylinder is filled with biomass materials, a gypsum layer with the thickness not smaller than 20 mm is tightly wrapped outside the steel cylinder, the outer side of the gypsum layer is wrapped with a bamboo layer, and the bamboo fiber direction of the bamboo layer is transverse. Compared with a traditional construction method, the manufacturing method has the advantages of light weight, high strength, resource conservation, environment friendliness, corrosion resistance, fire resistance, attractive appearance and the like.
Owner:NANJING FORESTRY UNIV

Inhibitor for eliminating filament breakage in the process of producing alkali-free glass fibers

The invention discloses an inhibitor for eliminating filament breakage in the process of producing alkali-free glass fibers. A raw material of coal-measures kaoline, hard kaolin or refractory clay is subjected to ore proportioning, crushing and grading to prepare superfine powder, namely the inhibitor, and the inhibitor comprises 44.0 to 50.0 percent of SiO2, 36 to 42 percent of Al2O3, 0.3 to 0.8percent of Fe2O3, 0.5 to 2.0 percent of TiO2, 0.1 to 1.5 percent of K2O+NaO2, 0.1 to 1.5 percent of CaO+MgO and 12 to 16 percent of H2O. The inhibitor accelerates glass generation and reduces energy consumption by controlling product granular size and size distribution and other means, and prevents minerals from changing phase and further generating impurities so as to reduce the phenomenon of filament breakage. The product can completely replace alkali-free clay powder used in the conventional glass fiber industry.
Owner:宜昌慧龙科技开发有限公司

Seaweed master batch and manufacturing method of EVA foam

The invention provides a seaweed master batch and a manufacturing method of EVA foam, wherein EVA foam comprises the seaweed master batch; the seaweed master batch comprises the components in percentage: 60-80% of seaweed powder, 10-15% of EVA, 3-5% of zinc stearate, 1.5-2.5% of aluminate, 0.5-1% of an adhesive and 1-2% of an antioxidant. Multiple raw materials are combined with the seaweed powder to prepare the seaweed master batch, the seaweed master batch is used, and a sole can effectively remove TVOC, peculiar smell, staphylococcus aureus and the like; in addition, EVA is biodegradable, similar to PVC in price, light in weight, free of odor, heavy metal and phthalate, high in transparency, soft, high in toughness and ultra-strong in low temperature resistance (-70 DEG C); and in addition, the EVA is also resistant to water, salt and other substances, also has high heat adhesion and low adhesion temperature, can be used for silk-screen printing and offset printing, and has remarkable significance when being applied to the shoe manufacturing industry.
Owner:周兴葵
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