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70results about How to "Uniform amount of glue" patented technology

Method for producing eucalyptus wood plywood by adopting insect-proof and mildew-proof composite urea formaldehyde resin

The invention discloses a method for producing eucalyptus wood plywood by adopting insect-proof and mildew-proof composite urea formaldehyde resin. The method comprises the following steps of: wood slab rotating, veneer drying, gluing, tertiary cold-pressing, standing and maintaining, tertiary hot-pressing, radiating and maintaining, and slab fixed-thickness sanding. The key point of the production method is that insect-proof and mildew-proof composite urea formaldehyde resin, which is prepared by taking melamine modified urea formaldehyde resin as an adhesive main ingredient, adding oxidized starch as a viscous complexing agent, taking polyvinyl alcohol as a flexibilizer, taking hydrogenated rosin as an antioxidant, taking polyisocyanate as a curing agent, taking triethoxyisobutylsilane as a bridging agent, taking phenolation lignin as a formaldehyde catching agent and adding an insect-proof and mildew-proof agent, is adopted. Solid wood composite floor produced by adopting the insect-proof and mildew-proof composite urea formaldehyde resin has the advantages of low formaldehyde residual amount and good insect-proof and mildew-proof effect, has relatively strong inhibiting effect on breeding of aspergillus, trichoderma and blue mould, and has instantaneous kill-down capacity and long-acting prevention effect on powder post beetles of wood slab.
Owner:广西横县正林木业有限公司

Method for producing whole eucalyptus parquet from anti-insect and anti-mildew composite urea-formaldehyde resin

A method for producing whole eucalyptus parquet from anti-insect and anti-mildew composite urea-formaldehyde resin comprises steps as follows: rotary cutting of a board to form pieces; single plate drying; adhesive coating; three times of cold pressing; leaving to stand for reconditioning; three times of hot pressing; heat dissipation for reconditioning; fixed-thickness sanding of plate blanks; adhesive coating of base material surface layers; reconditioning and grooving; paint coating, drying and setting. The key of the production method is that melamine modified urea-formaldehyde resin is used as a main adhesive material; oxidized starch is added as a viscous compound; polyvinyl alcohol is added as a toughening agent; hydrogenated rosin is added as an anti-oxidant; polyisocyanate is added as a curing agent; isobutyltriethoxysilane is added as a bridging agent; phenolated lignin is added as a formaldehyde catching agent; an anti-insect and anti-mildew agent is added; anti-insect and anti-mildew composite urea-formaldehyde resin is prepared; and the parquet prepared from anti-insect and anti-mildew composite urea-formaldehyde resin has the advantages of being low in formaldehyde residual amount and good in anti-insect and anti-mildew effect, has the relatively high inhibition effect on breeding of Aspergillus, Trichoderma and Penicillium and has the instant killing force and the long-acting preventive effect on board powder-pest beetles.
Owner:广西横县正林木业有限公司

Method for producing total-eucalyptus plywood by adopting moisture-proof composite urea resin

The invention discloses a method for producing total-eucalyptus plywood by adopting moisture-proof composite urea resin. The method comprises the following steps: rotatably cutting wood boards; drying each board; gluing; performing cold pressing for three times; stewing and conditioning; performing hot pressing for three times; cooling and conditioning; determining the thickness of a board blank and sanding the board blank. The key points of the production method disclosed by the invention are that melamine modified urea resin is adopted as a main material of an adhesive and is added with oxidized starch to form a viscous compound, polyvinyl alcohol is taken as a toughening agent, magnesium oxide is taken as an antiaging agent, hexamine and triglycidyl isocyanurate are taken as a curing agent, isobutyl triethoxy silane is taken as a bridging agent, phenolated lignin is taken as a formaldehyde catcher and aliphatic polyurethane acrylate is taken as a moisture-proof agent to prepare the composite urea resin; the composite urea resin has the advantages of being low in formaldehyde residual volume, good in water resistance and good in moisture resistance; therefore, the produced total-eucalyptus plywood is low in formaldehyde residual volume, hard to expand after absorbing water and hard to arch and deform, and a wear-resistant layer is hard to damage.
Owner:南宁市创锦胶合板有限责任公司

Method for producing full-eucalyptus parquet with flame-retardant composite urea-formaldehyde resin

The invention relates to a method for producing full-eucalyptus parquet with flame-retardant composite urea-formaldehyde resin, comprising the steps of wood board peeling->veneer drying -> gluing -> three times of cold pressing -> standing for curing->three times of hot pressing ->heat dissipation for curing->slab calibrating and sanding-> substrate surface gluing -> curing and slotting-> leaching paint, drying and shaping. The method is characterized in that the melamine modified urea-formaldehyde resin is used as the main ingredient in the adhesive; the oxidized starch as adhesive compound, the polyving akohol as toughening agent, the hydrogenated rosin as antioxidant, the polyisocyanate as curing agent, i-butyltriethoxanesilane as bridging agent, phenolic lignin as formaldehyde scavenger and flame retardant agent are added together to produce the flame-retardant composite urea-formaldehyde resin. The flame-retardant composite urea-formaldehyde resin has such advantages as little formaldehyde residue, perfect flame resistance and lowering combustion temperature by internal endothermic reaction so that the full-eucalyptus parquet contains little formaldehyde residue and has good flame-retardant effect in case of fire disasters.
Owner:南宁市林润木业有限公司

Gravure gluing apparatus and gluing method of large pattern of fancy light reflection fabric

ActiveCN106334649AEven amount of glueUniform adhesive layer thicknessLiquid surface applicatorsCoatingsLight reflectionPulp and paper industry
The invention discloses a gravure gluing apparatus of a large pattern of a fancy light reflection fabric. The apparatus comprises an upper pressure roller, a gravure gluing roller, a glue scraper knife and a glue supply mechanism, the upper pressure roller and the gravure gluing roller are arranged up and down, a transmission channel is arranged between the upper pressure roller and the gravure gluing roller, a bead planting membrane is in contact with the roller surface of the upper pressure roller and the gravure gluing roller respectively, the glue scraper knife is positioned at one side of the gravure gluing roller, the glue scraper knife is in contact with the surface of the gravure gluing roller, the surface of the gluing roller is provided with a printing pattern, the printing pattern is composed of a plurality of uniformly-distributed isotropic gluing grooves used for accommodating printing glue, and the bottom of the gravure gluing roller is placed in the glue supply mechanism and is in contact with the glue in the glue supply mechanism. The apparatus can effectively solve the problems of glue spilling and glue discontinuity, allows the thickness of a glue layer to be uniform, has no restriction on the size of the printing pattern, and can be used to produce large-pattern products. The invention also provides a gluing method of the large pattern of the fancy light reflection fabric. The method has the advantages of simple steps, good production continuity and suitableness for industrial production.
Owner:HANGZHOU CHINASTARS REFLECTIVE MATERIAL

Method for producing total-eucalyptus plywood by adopting weather-resistant composite urea resin

The invention discloses a method for producing total-eucalyptus plywood by adopting weather-resistant composite urea resin. The method comprises the following steps: rotatably cutting wood boards; drying each board; gluing; performing cold pressing for three times; stewing and conditioning; performing hot pressing for three times; cooling and conditioning; determining the thickness of a board blank and sanding the board blank. The key points of the production method disclosed by the invention are that melamine modified urea resin is adopted as a main material of an adhesive and is added with oxidized starch to form a viscous compound, polyvinyl alcohol is taken as a toughening agent, polyisocyanate is taken as a curing agent, isobutyl triethoxy silane is taken as a bridging agent, phenolated lignin is taken as a formaldehyde catcher, and moreover an antioxidant and an ultraviolet absorbent are also added to prepare the weather-resistant composite urea resin; the composite urea resin has the advantages of low formaldehyde residual volume and good weather resistance. The total-eucalyptus plywood produced by the method disclosed by the invention is excellent in weather resistance and is relatively high in environmental disruption tolerance.
Owner:南宁市林润木业有限公司

Method for adopting high-temperature-resisting composite urea resin for producing whole-eucalyptus solid wood composite floor

The invention discloses a method for adopting high-temperature-resisting composite urea resin for producing a whole-eucalyptus solid wood composite floor. The method includes the steps of board rotary slicing, veneer drying, gluing, three times of cold pressing, standing maintaining, three times of hot pressing, heat dissipating maintaining, slab fixed-thickness sanding, base material surface layer gluing, maintaining grooving and paint spraying, drying and sizing. The production method is characterized in that the high-temperature-resisting composite urea resin is prepared by adopting melamine modified urea resin as the main material of an adhesive, adding oxidized starch as a viscosity complexing agent, adopting polyvinyl alcohol as a toughening agent, adopting hydrogenated rosin as an antioxidant, adopting polyisocyanate as a curing agent, adopting isobutyl triethoxy silane as a bridging agent, adopting phenolate lignin as a formaldehyde catching agent and adding high-temperature-resisting filler. The high-temperature-resisting composite urea resin prepared through the method is used for producing the whole-eucalyptus solid wood composite floor so that the whole-eucalyptus solid wood composite floor can have good heat resistance performance, no obvious crack phenomenon happens under high-temperature and high-strength ultraviolet irradiation or long-time ultraviolet irradiation, and economic losses are reduced.
Owner:广西横县正林木业有限公司

Novel single facer glue spreading roller

The invention discloses a novel single facer glue spreading roller. The novel single facer glue spreading roller comprises a hollowed cylinder, and shaft heads fixedly and tightly connected with the two ends of the cylinder, wherein the cylinder and the shaft heads are connected through shrink-fitting and welding; annular grooves are formed in the outer end surfaces of the shaft heads; liquid injecting holes are evenly distributed in the grooves; a closed hollow liner is arranged in the cylinder; the two ends of the liner are fixedly connected with the inner wall of the cylinder through annular pipe plates; inner rings of the annular pipe plates are arranged around the liner, and are fixedly welded with the surface of the liner; through holes are evenly distributed in the circular surfaces of the annular pipe plates; the length and the end surface diameter of the liner are both smaller than the length and the end surface diameter of the cylinder; and a liquid injecting space is formed between the outer wall of the liner and the inner wall of the cylinder. The novel single facer glue spreading roller has the following beneficial effects: (1) the surface temperature of the glue spreading roller is uniform to reduce the friction with a corrugated roller; (2) the service lives of the corrugated roller and the gluing roller are prolonged; the spread of glue is uniform; and the paperboard quality is high; and (3) the replacement frequency of glue in a glue tray is largely reduced, so that the cost is decreased.
Owner:SHANGHAI DASONG CORRUGATING ROLL IND

Method for producing whole eucalyptus plywood by using compound urea-formaldehyde resin against insects and mildew

The invention discloses a method for producing eucalyptus wood plywood by adopting insect-proof and mildew-proof composite urea formaldehyde resin. The method comprises the following steps of: wood slab rotating, veneer drying, gluing, tertiary cold-pressing, standing and maintaining, tertiary hot-pressing, radiating and maintaining, and slab fixed-thickness sanding. The key point of the production method is that insect-proof and mildew-proof composite urea formaldehyde resin, which is prepared by taking melamine modified urea formaldehyde resin as an adhesive main ingredient, adding oxidized starch as a viscous complexing agent, taking polyvinyl alcohol as a flexibilizer, taking hydrogenated rosin as an antioxidant, taking polyisocyanate as a curing agent, taking triethoxyisobutylsilane as a bridging agent, taking phenolation lignin as a formaldehyde catching agent and adding an insect-proof and mildew-proof agent, is adopted. Solid wood composite floor produced by adopting the insect-proof and mildew-proof composite urea formaldehyde resin has the advantages of low formaldehyde residual amount and good insect-proof and mildew-proof effect, has relatively strong inhibiting effect on breeding of aspergillus, trichoderma and blue mould, and has instantaneous kill-down capacity and long-acting prevention effect on powder post beetles of wood slab.
Owner:广西横县正林木业有限公司

Aluminum-plastic film bubble-free gravure coating device and coating technology thereof

The invention discloses an aluminum-plastic film bubble-free gravure coating device. The device comprises a material box. A dandy roll and a gravure roll are arranged on the upper portion of the material box from top to bottom in sequence. A first fixing block is arranged on one side of the gravure roll. A second fixing block is arranged on the other side of the gravure roll, and the first fixingblock and the second fixing block are arranged symmetrically. The top of the first fixing block is provided with a first scraper used for scraping off excessive slurry in mesh holes of the surface ofthe gravure roll. The top of the second fixing block is provided with a second scraper used for filling the mesh holes of the surface of the gravure roll with slurry. The mesh holes of the surface ofthe gravure roll sequentially pass through the material box, the first scraper, the dandy roll and the second scraper in sequence while rotating. According to the aluminum-plastic film bubble-free gravure coating device, by arranging the second scraper and the flowing slurry on the scraper, the mesh holes in the gravure roll can be filled with the slurry before the gravure roll enters below the slurry liquid level inside the material box, the problem that bubbles are mixed into the slurry is effectively solved, the transfer coating slurry feeding amount is uniform, and no missing coating occurs.
Owner:LIYANG EXCELLENCE NEW MATERIAL TECH CO LTD

Gluing technology for plywood core veneer

The invention discloses a gluing technology for a plywood core veneer. A glue preparation module and a core veneer gluing module are included. The adhesive preparation module and the core veneer gluing module are matched with each other, excellent glue, a precise gluing strategy during gluing, and various kinds of correction and screening after gluing are provided for the plywood core veneer, and the high quality of preparation of the glue before gluing, and the high quality of the plywood core veneer after gluing are ensured; the situation that after gluing, a part of the core veneer is not glued or is over glued is avoided, and the high strength of adhesion of the plywood core veneer is ensured; a raw material purchasing system is connected with a raw material comparison module and a raw material test module, a raw material which is higher in quality and safer is provided for the glue used for being applied to the plywood core veneer, and the application safety of the glue and the gluing quality of the plywood core veneer are improved; a gluing and sundry removing module is connected with a surplus glue removing module and a glue brushing detection module, a veneer connection worker needs to remove sundries on the core veneer, the part which is not coated with glue needs to be glued manually, and the effect that the gluing amount is more uniform is ensured.
Owner:广西防城港市昌海木业有限公司

Method for producing full-eucalyptus parquet through dampproof composite urea resin

A method for producing a full-eucalyptus parquet through dampproof composite urea resin comprises the following steps of wood board sheet rotary cutting, veneer drying, gluing, three-time cold pressing, standing curing, three-time hot pressing, heat dissipation curing, slab fixed-thickness sanding, base material surface layer gluing, curing slotting and spraying drying sizing. According to the key of the production method, melamine modified urea resin is adopted as a main adhesive material, and oxidized starch is added as a sticky complexing agent; polyvinyl alcohol serves as a toughening agent; magnesium oxide serves as an anti-aging agent; hexamine and triglycidyl isocyanurate serve as a curing agent; vinyltriethoxysilane serves as a bridging fiber agent; and phenolate lignin is the dampproof composite urea resin prepared through a formaldehyde capture agent and an added dampproof agent. The composite urea resin has the beneficial effects of being low in formaldehyde residual volume and good in water resistance and dampproof performance, so that the produced full-eucalyptus parquet is low in formaldehyde residual volume and is not prone to expansion after absorbing water, arching and deformation are not likely to happen, and an abrasion resisting layer is not prone to damage.
Owner:南宁市创锦胶合板有限责任公司

Top type prestress reinforcing machine used in field of building structure repairing and reinforcing

ActiveCN113047656ARealize automatic dischargeLow strength utilizationBuilding repairsFiberCarbon fibers
The invention provides a top type prestress reinforcing machine used in the field of building structure repairing and reinforcing. The top type prestress reinforcing machine comprises a shell, wherein a repairing device is fixedly connected to the right end of the shell, four lifting blocks are uniformly distributed at the lower end of the shell, a gluing wheel is rotatably arranged at the top end of the shell, a feeding mechanism is fixedly arranged at the top end of the shell, the feeding mechanism is connected with a tensioning wheel through the carbon fiber cloth, and the tensioning wheel and the gluing wheel are located on the same horizontal plane. By arranging the tensioning wheel, the problems that in the background technology, if prestress is not applied to the carbon fiber cloth for reinforcement when the carbon fiber cloth is adopted for reinforcement, only when a repaired component is subjected to secondary stress, and when the structure further deforms, the carbon fiber cloth can participate in work, the material strength utilization rate is extremely low, rigidity improvement is limited, and the improvement effect on the bearing capacity and the deformation effect of the structural component is very limited are solved.
Owner:GUANGZHOU SHENGTE BUILDING TECH DEVCO

Method of producing full-eucalyptus wood plywood by adopting high-temperature resistance composite urea-formaldehyde resin

The invention discloses a method of producing full-eucalyptus wood plywood by adopting high-temperature resistance composite urea-formaldehyde resin. The method comprises the following steps: rotary cutting a wood board into a sheet; drying a veneer; gumming; cold pressing for three times; standing, and curing; hot pressing for three times; carrying out heat dissipation and curing; and defining the thickness of a board blank and sanding. The production method has the key points that melamine modified urea-formaldehyde resin is adopted as a major ingredient of an adhesive, and oxidized starch is added as a viscous complex additive; polyvinyl alcohol is taken as a toughening agent; hydrogenated rosin is taken as an antioxidant; polyisocyanate is taken as a curing agent; isobutyltriethoxysilane is taken as a bridging agent; and phenolized lignin is taken as a formaldehyde scavenger, and then a high-temperature resistance filler is added to prepare the high-temperature resistance composite urea-formaldehyde resin. By using the high-temperature resistance composite urea-formaldehyde resin prepared by the method to be used for producing the full-eucalyptus wood plywood, the full-eucalyptus wood plywood is excellent in heat resistance and does not have obvious cracking phenomenon under high temperature, high-strength ultraviolet irradiation or long-time ultraviolet irradiation, thus the economic loss is reduced.
Owner:南宁市创锦胶合板有限责任公司

A single-sided machine gluing roller

The invention discloses a novel single facer glue spreading roller. The novel single facer glue spreading roller comprises a hollowed cylinder, and shaft heads fixedly and tightly connected with the two ends of the cylinder, wherein the cylinder and the shaft heads are connected through shrink-fitting and welding; annular grooves are formed in the outer end surfaces of the shaft heads; liquid injecting holes are evenly distributed in the grooves; a closed hollow liner is arranged in the cylinder; the two ends of the liner are fixedly connected with the inner wall of the cylinder through annular pipe plates; inner rings of the annular pipe plates are arranged around the liner, and are fixedly welded with the surface of the liner; through holes are evenly distributed in the circular surfaces of the annular pipe plates; the length and the end surface diameter of the liner are both smaller than the length and the end surface diameter of the cylinder; and a liquid injecting space is formed between the outer wall of the liner and the inner wall of the cylinder. The novel single facer glue spreading roller has the following beneficial effects: (1) the surface temperature of the glue spreading roller is uniform to reduce the friction with a corrugated roller; (2) the service lives of the corrugated roller and the gluing roller are prolonged; the spread of glue is uniform; and the paperboard quality is high; and (3) the replacement frequency of glue in a glue tray is largely reduced, so that the cost is decreased.
Owner:SHANGHAI DASONG CORRUGATING ROLL IND

A gravure gluing device and gluing method for fancy reflective fabric with large patterns

The invention discloses a gravure gluing apparatus of a large pattern of a fancy light reflection fabric. The apparatus comprises an upper pressure roller, a gravure gluing roller, a glue scraper knife and a glue supply mechanism, the upper pressure roller and the gravure gluing roller are arranged up and down, a transmission channel is arranged between the upper pressure roller and the gravure gluing roller, a bead planting membrane is in contact with the roller surface of the upper pressure roller and the gravure gluing roller respectively, the glue scraper knife is positioned at one side of the gravure gluing roller, the glue scraper knife is in contact with the surface of the gravure gluing roller, the surface of the gluing roller is provided with a printing pattern, the printing pattern is composed of a plurality of uniformly-distributed isotropic gluing grooves used for accommodating printing glue, and the bottom of the gravure gluing roller is placed in the glue supply mechanism and is in contact with the glue in the glue supply mechanism. The apparatus can effectively solve the problems of glue spilling and glue discontinuity, allows the thickness of a glue layer to be uniform, has no restriction on the size of the printing pattern, and can be used to produce large-pattern products. The invention also provides a gluing method of the large pattern of the fancy light reflection fabric. The method has the advantages of simple steps, good production continuity and suitableness for industrial production.
Owner:HANGZHOU CHINASTARS REFLECTIVE MATERIAL

Method for producing all-eucalyptus solid wood composite floor by corrosion-resistance composite urea resins

The invention discloses a method for producing an all-eucalyptus solid wood composite floor by corrosion-resistance composite urea resins. The method comprises the steps of: board rotary slicing-veneer drying-gluing-three times of cold pressing-standing maintenance-three times of hot pressing-cooling maintenance-blank fixed-thickness sanding-substrate surface layer gluing-maintenance grooving-paint drying shaping. The key point of the method is to adopt melamine modified urea resins as a main material of adhesive; oxide starch is added as a viscous compounding agent; polyvinyl alcohol serves as a toughening agent; hydrogenated rosin serves as antioxidant; polyisocyanate serves as a curing agent; isobutyltriethoxysilane serves as a bridging agent; phenolated lignin serves as a formaldehyde capturing agent; and a preservative is added to prepare the corrosion-resistance composite urea resins; and the solid wood composite floor produced by the corrosion-resistance composite urea resins has the advantages of low formaldehyde residual volume and good corrosion resistance, is better in resistance on wood rotting fungus, mould and termites, and prolongs the service life of the all-eucalyptus solid wood composite floor.
Owner:南宁市林润木业有限公司
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