464 results about "Hot-melt adhesive" patented technology

The invention discloses a pharmaceutical composition, a preparation containing the pharmaceutical composition, a kit containing the pharmaceutical composition, and a preparation method and application of the pharmaceutical composition. The pharmaceutical composition comprises an active pharmaceutical ingredient and a hot melt adhesive, wherein the active pharmaceutical ingredient is voriconazole, and the hot-melt adhesive is selected from an A-type hot-melt adhesive, namely poloxamer P188 and / or poloxamer P407, and a B-type hot-melt adhesive, namely poloxamer P188 and / or poloxamer P407; or the B-type hot melt adhesive is polyethylene glycol 6000; the mass percent of the B-type hot melt adhesive in the pharmaceutical composition is 12%-25%; the pharmaceutical composition is a pharmaceutical composition in the form of hot-melt granulated particles. According to the pharmaceutical composition and the preparation and the kit containing the pharmaceutical composition, the stability of active pharmaceutical ingredients can be improved, swallowing of a patient can be further improved, and the medicine taking compliance of the patient during actual taking can be improved.

The invention relates to the technical field of hot melt glue machines, in particular to a hot melt glue machine multi-path glue discharging control method and device, equipment and a storage medium. Glue discharging is executed based on the target, and actual glue discharging quality information of each glue path is obtained; according to the information and a preset target, a multi-path glue outlet state deviation matrix is generated; inputting the matrix into a multi-glue-path coupling cooperative control model to obtain cooperative control parameters of each glue path; and finally, cooperative control is carried out on each glue path actuator according to the parameters so as to eliminate the glue output quality difference among the glue paths. According to the method, the global glue discharging state is intelligently sensed, and the multi-path coupling relation is accurately modeled and compensated, so that high-precision cooperative control on the glue discharging quality of the multi-path hot melt glue machine is realized, the systematic technical problem of non-uniform glue discharging of multiple glue paths is effectively solved, and the quality and consistency of packaged or coated products are remarkably improved.

The invention relates to the technical field of composite materials, in particular to a large-length-diameter-ratio composite pipe fitting forming method which comprises the steps of S1, core mold splicing, S2, air pipe sleeving, S3, paving and winding, S4, core mold dissolving, S5, sealing and depoling, S6, flange mounting, S7, mold closing and bag making and S8, heating and curing. Wrapping the hot melt adhesive at the bonding position by using an aluminum foil adhesive tape, then removing the aluminum foil adhesive tape, sleeving the bonded core mold by using a release air pipe longer than the core mold, pouring acetone into the release air pipe, dissolving the EPS foam rod, completely sealing the inlet end of the release air pipe, and finally sealing the release air pipe. And the sealed release air pipe is pulled out of the pipe fitting prefabricated body, the pipe fitting prefabricated body is obtained, and then the composite pipe fitting is manufactured in cooperation with a female die and a bag. The technical problem that the large-length-diameter-ratio composite pipe fitting with the perfect inner surface effect and the perfect outer surface effect cannot be manufactured through an existing technology on the premise that the mechanical property of a product is guaranteed is solved.

The invention relates to a water-based hot melt adhesive and water-based hot melt adhesive coating medical paper. The invention provides a water-based hot melt adhesive for a medical packaging material, which comprises 25-70 parts by weight of ethylene-vinyl acetate copolymer, 5-20 parts by weight of ethylene-acrylic acid copolymer, 6.5-55 parts by weight of water-based paraffin and 5-15 parts by weight of powder wax, and the particle size of the powder wax is less than 8 microns. A coating formed by the water-based hot melt adhesive on medical paper can have good air permeability. After the periphery of the coating and the flexible sheet or the blister container are sealed, the coating has good sealing strength and peelability.

A reactive hot melt adhesive composition comprising: (A) at least one polyurethane prepolymer obtained by reacting a reactant mixture comprising (A1) a polyol mixture comprising: (a) at least one liquid polyester polyol, (b) at least one crystalline polyester polyol, and (c) at least one amorphous polyester polyol, (A2) at least one polyisocyanate having at least two isocyanate groups in one molecule; (B) at least one vinyl acetate polymer, and (C) at least one thermal plastic polyurethane. The reactive hot melt adhesive composition could be used as hot melt adhesive, for example, in furniture industrial applications, which provides very good initial bonding strength and fast setting property simultaneously.

This hot-melt adhesive sheet is provided with a base material and an adhesive layer laminated on at least one surface of the base material, the adhesive layer being formed from a hot-melt adhesive, the hot-melt adhesive comprising a crosslinked product of an adhesive composition containing a crosslinking agent, the adhesive composition comprising a polyester resin, an epoxy resin, and an isocyanate crosslinking agent, the epoxy resin contains a bisphenol-type epoxy resin and a rubber-modified epoxy resin, and the bisphenol-type epoxy resin has an epoxy equivalent weight of 450 g / eq or more and 1000 g / eq or less.

The invention relates to the technical field of medical protection materials, and discloses an anti-allergy skin-friendly operating kit and a preparation technology, and the composite material of the operating kit comprises the following components by mass: 40-70 parts of cellulose-based non-woven fabric; 1 to 10 parts of polymethacryloyloxyethyl phosphorylcholine which is covalently grafted to the cellulose-based non-woven fabric; 20 to 50 parts of polylactic acid-quaternary ammonium salt copolymer; 5 to 15 parts of a polyurethane hot melt adhesive; the method comprises the following steps: grafting a PMPC molecular brush on the surface of a cellulose-based non-woven fabric to obtain a skin-friendly layer; carrying out coaxial electrostatic spinning and solvent treatment on the polylactic acid-quaternary ammonium salt copolymer to prepare a hollow nanofiber barrier layer; and finally hot-pressing and compounding the two layers through a polyurethane hot-melt adhesive. According to the invention, allergy is solved through surface grafting; the toxicity is avoided by using an intrinsic antibacterial polymer; the hollow fibers and the net film are compounded, so that the contradiction between water resistance and breathability is overcome, and the biological safety and comfort of the material are improved.

Provided is a biodegradable hot melt adhesive including maleated PBAT, which is prepared by grafting maleic acid onto PBAT using a PBAT resin with excellent biodegradability, maleic acid, and an initiator, and a method of preparing the same. The hot melt adhesive has improved adhesive strength while maintaining biodegradability almost similar to that of PBAT, and therefore may be used as a hot melt adhesive for products requiring biodegradability, such as packaging paper and packaging containers including biodegradable resins.

1. The name of the design product: hot melt glue gun. 2. The use of the design product: a kind of hand tool for heating glue stick to hit hot melt adhesive. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 2.

Disclosed is an elastic cover comprising: an outer sheet, an inner sheet, a plurality of waist elastic bodies joined between the outer and inner sheets and extending transversely substantially parallel to each other, and a plurality of front leg elastic bodies joined between the outer and inner sheets and extending from the left front region through the crotch region to the right front region, a plurality of back leg elastic bodies joined between the outer and inner sheets and extending from the left back region through the crotch region to the right back region, wherein the front and back leg elastic bodies are joined to the outer and inner sheets by a leg elastic adhesive which is a hot melt adhesive applied in slot-die coating provided in a plurality of stripes intermittent in the longitudinal direction for joining the leg elastic bodies.

1. The name of the design product: lithium electric hot melt glue gun. 2. The use of the design product: for hot melt adhesive stick for glue coating. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a gluing and gradient low-temperature pressing process for paper-plastic packaging, which comprises the following steps: S1, pretreating a base material: inspecting a printed paper-plastic composite base material, placing in a constant-temperature and constant-humidity environment for 20-24 hours, and balancing the moisture content to 5-7%; the base material is placed on a production line of a bag making machine, and the easy-to-tear line is formed through a magnetic knife; s3, point coating type gluing is conducted, specifically, a concave-convex tooth-shaped gluing roller is adopted, the heat sealing face of the paper-plastic composite base material is coated with the POE / PLA composite hot melt adhesive, and the gluing amount is 2.2-2.6 g / m < 2 >; and S4, pre-crosslinking treatment is conducted, specifically, UV irradiation is conducted on the glued base material, the irradiation wavelength is 254 nm, the irradiation time is 0.1-0.2 s, and the surface of the glue layer is preliminarily cured. The paper-plastic packaging gluing and pressing process which is low in gluing amount and gradient in low-temperature pressing, has an antibacterial function and is matched with a thin paper base material is adopted, and the paper-plastic packaging gluing and pressing process has the advantages of being low in glue overflowing rate, high in product percent of pass, capable of improving sanitation performance, stable in bonding performance and better in environmental protection performance.

The utility model discloses a lithium battery mini hot melt adhesive pen which comprises a main machine, a power switch is arranged at the left end of the lower side of the main machine, a sliding groove is formed in the right end of the front face of the main machine, a separation layer is arranged at the left end of the sliding groove, a battery installation groove is formed in the other end of the separation layer, and a lithium battery is placed in the battery installation groove. A push button is installed in the sliding groove, one end of the push button is connected with a supporting table, a glue stick is arranged at one end of the supporting table, one side of the end of the main machine is in threaded connection with a nozzle, a silica gel heating piece is installed in the nozzle, an end cover is installed at the upper end of the main machine, and a silica gel lining is installed in the end cover. A charging hole is formed in the right side of the lower end of the main machine, a charging panel is connected into the charging hole, the charging panel is connected with the lithium battery, through the design, the lithium battery matched with the power switch button is connected into the power switch button, the lithium battery provides electric energy for the hot melt glue pen, and a glue stick is taken out and placed on the supporting table to be fixed.

The utility model relates to the technical field of cleaning structures for glue spraying heads of hot melt glue machines, in particular to a cleaning structure for a glue spraying head of a hot melt glue machine, which comprises a hot melt glue machine body and a cleaning box, a glue spraying head pipe is fixedly mounted at the lower end of the hot melt glue machine body, a drain pipe is connected to the outside of the cleaning box, and a heating rod is fixedly mounted on the inner wall of one side of the cleaning box. A waterproof motor is fixedly installed in the cleaning box and located under the glue spraying head pipe, a rotating column is fixedly installed at one end of an output shaft of the waterproof motor, and an inner cleaning sponge roller is fixedly installed at the position, close to the center, of the top end of the rotating column. An outer cleaning sponge roller is annularly and fixedly mounted at the top end, close to the outer part of the inner cleaning sponge roller, of the rotating column, a brush is fixedly mounted at the outer part of the inner cleaning sponge roller, and the diameter of the inner cleaning sponge roller is smaller than the inner diameter of a spray head of the glue spray head pipe; the cleaning structure of the glue spraying head of the hot melt glue machine is good in cleaning effect.

The utility model discloses a heating device of a hot melt glue gun, which comprises a heating head, a heat collecting component is arranged on the surface of the heating head, one end of the heating head is fixedly connected with a glue outlet head, a through glue outlet cavity is arranged in the glue outlet head, a through heating cavity is arranged in the heating head, and the heating cavity is communicated with the glue outlet cavity. When a user starts the hot melt glue gun, the power source can supply power to the PTC ceramic heating ring, the PTC ceramic heating ring is rapidly heated under the action of current due to the positive temperature coefficient characteristic of the PTC ceramic heating ring, heat generated by the PTC ceramic heating ring is directly transmitted to the heating head through the fixing lantern ring, and the heating head is heated through the PTC ceramic heating ring. Due to the fact that the heating head is integrally formed, the heat conduction efficiency is improved, the heating head is more convenient and faster to replace or maintain when needing to be replaced or maintained, the heat gathering assembly on the surface of the heating head starts to play a role, the rubber heat insulation layer effectively prevents heat from diffusing outwards, and it is ensured that most of heat is concentrated in the heating cavity.

The present application relates to hot melt adhesive machine technical field, especially to hot melt adhesive machine multi-path glue output control method, device, equipment and storage medium, the present application obtains the preset glue output process target, based on the target, executes glue output and obtains each glue path actual glue output quality information, according to the information and preset target, generates the multi-path glue output state deviation matrix, the matrix is input to the multi-glue path coupling collaborative control model, and the collaborative control parameter of each glue path is obtained, finally according to the parameter, the collaborative control of each glue path actuator is carried out, to eliminate the glue output quality difference between each glue path, the present application realizes the high-precision collaborative control to the multi-path hot melt adhesive machine glue output quality by intelligent sensing global glue output state and accurate modeling compensation multi-path coupling relationship, effectively solves the systematic technical problem of multi-glue path glue output uneven, significantly improves the quality and consistency of packaging or coating product.

The present invention provides a high bio-content polyurethane hot melt adhesive composition comprising: at least one polyurethane prepolymer obtained from the reaction of a) at least one bio-based solid crystalline polyester polyol; b) at least one bio-based solid amorphous polyester polyol, and / or at least one bio-based liquid amorphous polyester; and c) at least one polyisocyanate; in a presence of a catalyst, wherein the adhesive composition contains more than 50%by weight of bio-based material, based on the total weight of the adhesive composition. The present invention also provides a method for preparing the high bio-content polyurethane hot melt adhesive composition, an electronic device obtained with the high bio-content polyurethane hot melt composition, and a use of the high bio-content polyurethane hot melt composition in manufacturing an electronic device.

The utility model discloses a gluing structure for rolling a self-adhesive paper tape, and belongs to the technical field of rolling equipment. The problems that in the prior art, when a double-faced adhesive tape is manually pasted on a paper tube or glue is manually coated, the workload is large, and the production cost is increased are solved. The device mainly comprises an air expansion shaft, the air expansion shaft is rotatably installed on a rack and is driven by a motor to rotate, the device further comprises a gluing device, the gluing device comprises a hot melt glue box on the lower side of the air expansion shaft, a gluing roller is rotatably installed on the upper side in the hot melt glue box, a gluing roller motor is installed on one side of the hot melt glue box, and the gluing roller motor is connected with the hot melt glue box. The glue spreading roller motor is in transmission connection with the glue spreading roller and can drive the glue spreading roller to rotate, a glue inlet and a glue outlet are formed in the upper side and the lower side of the hot melt glue box respectively, and a driving assembly capable of driving the hot melt glue box to ascend and descend is installed at the bottom of the hot melt glue box.

1. Name of the Design Product: Hot Melt Glue Machine (OSD-106C). 2. Use of the Design Product: For hot melt glue spraying, scraping, and rolling. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view.

1. Name of the Design Product: Hot Melt Glue Machine (OSD-806B). 2. Use of the Design Product: For hot melt glue spraying, scraping and rolling. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo Most Indicating the Design Key Points: Stereogram.

The invention relates to a hot glue gun (1) with a heating unit (2) for heating and at least partially liquefying a glue stick (3) so that a liquid adhesive (14) can be formed, and with a nozzle (4) through which the liquid adhesive (14) can exit. According to the invention, the hot glue gun (1) includes a return unit (5) by means of which the glue stick (3) can be at least partially retracted from the nozzle (4).

The present invention relates to a laminate for a vehicle number plate. The laminate sequentially comprises: a protective layer, a reflective material layer and a metal substrate layer, wherein the protective layer includes a transparent resin layer and an adhesive layer, the thickness of the transparent resin layer being 0.5-20 μm, and the thickness of the adhesive layer being 0.5-20 μm. The adhesive layer includes a hot melt adhesive, and the melting point of the hot melt adhesive is 110-250°C.

The utility model relates to the technical field of fabrics, and provides a pique fabric which comprises an inner layer, a sweat guiding layer and an outer layer which are sequentially arranged from inside to outside, first air holes are formed in the outer layer, second air holes are formed in the inner layer, and the inner diameter of the first air holes is larger than that of the second air holes; the sweat guiding layer is connected with the inner layer and the outer layer through the sticking layer, the sticking layer comprises a plurality of hot melt adhesive points, and the hot melt adhesive points are used for sticking the sweat guiding layer to the inner layer / the outer layer. According to the pique fabric, the breathable effect of pique fabric is improved.

The utility model discloses a folding portable multifunctional recess repairing tool car, and belongs to the technical field of automobile recess repairing, the folding portable multifunctional recess repairing tool car comprises a folding bottom frame, the left upper end of the bottom frame is connected with a lifting tray, the right upper end of the bottom frame is connected with a lifting lamp holder supporting assembly, and the lower end of the bottom frame is provided with a moving assembly; the bottom frame comprises a left vertical rod and a right vertical rod, the upper end of the left vertical rod is rotationally connected with a left outward-extending rod, the upper end of the right vertical rod is rotationally connected with a right outward-extending rod, the lower end of the left outward-extending rod is fixedly connected with the lower end of the right outward-extending rod through an extending transverse rod, and the inner end of the extending transverse rod is rotationally connected with a bottom bearing plate. Through the arrangement of the bottom frame, the tray and the lamp holder supporting assembly are arranged at the upper end of the bottom frame, the moving assembly is arranged at the lower end of the bottom frame, the tray is used for containing a lifting device, a sliding hammer, a hot melt glue gun, a pull piece, a knocking pen hammer, an alcohol bottle and the like, and the bottom frame is arranged to be in a folding type, can be folded during truck loading, is convenient to carry and reduces occupied space.

The present invention provides an aqueous resin composition that can be suitably used for an aqueous coating solution capable of forming a coating layer that has excellent substrate adhesion, blocking resistance, heat seal blocking resistance, hot melt adhesive properties, and scratch resistance, as well as transparency. [Solution] This aqueous resin composition is used in an aqueous coating solution that produces a coating film with a haze value of 15% or less. The aqueous resin composition contains an emulsion of polyolefin resin (polyolefin resin emulsion) having a melting point of 60 to 97°C and an acid value of 13 to 60 mgKOH / g, as well as a polyethylene wax and / or paraffin wax. Based on the mass of the solids in the aqueous resin composition, the polyolefin resin content is 60 to 95 mass% and the wax content is 4 to 25 mass%, with the mass ratio of polyolefin resin:wax being 1:0.043 to 1:0.300.

1. The name of the design product: hot melt glue gun (MZGG-2502). 2. The use of the design product: the design product is used for melting glue sticks. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to the technical field of glue stick slitting, in particular to a hot melt glue stick slitting device which comprises an installation frame and further comprises two conveying belts, a hot melt glue stick slitting device, a hot melt glue stick slitting device and a hot melt glue stick slitting device, the two conveying belts are arranged on the surface of the installation frame, and a cutting gap is reserved between the two conveying belts; the supporting frame is fixedly mounted at the top of the mounting frame; and the slitting mechanism is arranged at the bottom of the supporting frame and comprises a lifting part, two sets of pressing parts and a slitting knife, and the lifting part is connected with the supporting frame. The pressing rods in the pressing pieces on the two sides of the slitting knife synchronously press downwards, the two ends of a hot melt adhesive stick are fixed at the same time before cutting, deviation or shaking caused by single-side stress is avoided, it is guaranteed that the cut section is flat and smooth, the pressure sensors at the bottoms of the pressing rods monitor pressure in real time, the second motor is controlled through the PLC to adjust the height of the slitting knife, and the slitting knife is fixed. And the rubber stick is prevented from being flattened by overlarge pressure or unstable cutting caused by insufficient pressure is prevented.

The present application relates to a kind of growth substrate assembly, light emitting component and its manufacturing method, growth substrate is equipped with several light emitting chips, the bottom surface of each light emitting chip is away from growth substrate and grows positive electrode and negative electrode;There is hot melt adhesive layer on the growth substrate, and the bottom surface of light emitting chip is partially covered, and the positive electrode, the negative electrode and the region between the two on the bottom surface of light emitting chip are exposed to hot melt adhesive layer;When the light emitting chip on the growth substrate is transferred to the circuit board, the side of growth substrate grown with light emitting chip is set with the side of circuit board with chip bonding area after alignment, then heat hot melt adhesive layer at least to make the region covered on the bottom surface of light emitting chip liquefied and flow to the glue column formed on the two sides of circuit board in light emitting chip, the channel formed by the glue column on the two sides of light emitting chip after being peeled off from growth substrate falls on the corresponding chip bonding area, so as to realize the direct transfer of light emitting chip to the circuit board, transfer efficiency is higher, and transfer cost is lower.

The utility model relates to the technical field of hot melt glue machines, and discloses a hot melt glue machine with a quick cleaning mechanism, which comprises a heating tank structure, a first cleaning structure and a second cleaning structure, the first cleaning structure and the second cleaning structure are arranged in the heating tank structure, and the first cleaning structure and the second cleaning structure are arranged in the heating tank structure. The heating tank structure comprises a tank body, and the first cleaning structure comprises a planetary gear ring rotationally arranged in the tank body, a plurality of cleaning scraping rods fixedly connected to the lower portion of the planetary gear ring at equal intervals and a limiting ring fixedly connected to the lower portions of the cleaning scraping rods. By means of the structural design, glue on the inner wall of the heating tank of the equipment can be quickly and effectively cleaned, and glue adhering to the first cleaning structure can be cleaned through the second cleaning structure.

The invention discloses a glue sprayer for a sofa, and relates to the technical field of sofa production equipment. The glue sprayer comprises a conveyor, a glue melting main machine and a servo glue spraying system. The servo glue spraying system is composed of a servo base, a vertical servo assembly, a transverse servo assembly and a lateral servo assembly. The servo base is of an inverted-L-shaped structure and stretches across the upper portion of the conveyor. The vertical servo assembly drives the transverse servo assembly and the lateral servo assembly to synchronously ascend and descend to adapt to sofas with different thicknesses; the transverse servo assembly is cooperated with the conveyor through the multi-head hot melt glue gun, so that full-area dead-corner-free net-shaped glue spraying of the sofa seat part is realized; the lateral servo assembly drives the vaporific hot melt glue gun to swing through servo swing to adapt to the inclined contour and the curved surface form of the backrest part of the sofa, and complete covering glue spraying is completed. Through collaborative design of multiple servo assemblies, synchronous and accurate glue spraying of the seat part and the backrest part is achieved, the glue spraying efficiency and quality are improved, the adaptability is high, and the production requirements of sofas of different specifications can be met.