63results about How to "Short bonding time" patented technology

The invention provides a production method and production line for pre-printed surface paper corrugated paperboards, and the production method and production line provided by the invention can be used for solving the problem that the existing corrugated paperboard production line and process can not adapt to the production of pre-printed colorful corrugated paperboards. In the invention, because the bonding mode that surface paper is arranged on a single-sided corrugated paperboard is adopted, the direct contact between color-printing paper and a high temperature hot plate at a drying part can be avoided, thereby effectively preventing the damages on the materials, patterns, gloss oil and plastic films of the color-printing paper. The corrugated paperboard production method and corrugated paperboard production line disclosed by the invention can effectively adapt to the application requirements of pre-printed colorful paper on the premise of not increasing the cost.

An anisotropic conductive adhesive that provides strong adhesion to metals and organic substrates to generate stable and reliable electric interconnects. The adhesive provides the benefits of short thermocompression bond time at low temperatures. The adhesive contains cationic curable resin, latent cationic catalyst that thermally cures the resin at high speeds and low temperatures, conductive filler, optionally a film forming thermoplastic solid resin and optionally nano size filler. The optional nano filler provides the benefit of reducing the coefficient of thermal energy mismatch, improving the adhesion strength and reducing the total heat of reaction for the system.

The invention discloses a double-component silicone structural sealant for heat mirror hollow glass and a preparation method of the sealant. The sealant comprises a component A and a component B, wherein the component A comprises hydroxyl-terminated polydimethylsiloxane, alkyl-terminated polydimethylsiloxane, hollow microsphere, ceramic microbead, metal hydroxide, metal oxide, activated calcium carbonate, inorganic pigment and a surfactant; the component B comprises alkyl-terminated polydimethylsiloxane, a coupling agent, a cross-linking agent, a catalyst, an inhibitor, a thickening agent, and silicon dioxide. The preparation method of the sealant comprises the following steps: 1) taking each ingredient in the component A to be mixed uniformly under the vacuum condition; 2) taking each ingredient in the component B to be mixed uniformly under the vacuum condition; 3) mixing the component A and the component B at room temperature according to the weight ratio of (8:1) to (20:1), and at last obtaining the sealant. The double-component silicone structural sealant is good in adhesiveness, high in curing speed, good in sealing performance, high in hardness and modulus, and excellent in thermal barrier effect, and suitable for sealing and bonding of heat mirror film, glass and metal materials etc.

The invention discloses a polymer represented by a formula I as well as a preparation method and application of the polymer. In the formula I, the molecular weight is 50000-120000; the ratio of x to y is 1:(0.25-0.75); n is 10-50; n1=2 or 3; R1 is any one selected from the group of C1-C4 alkyl and phenyl; and R2 is anyone selected from the group of groups represented by a formula II and a formula III. The preparation method comprises the step of reacting N-(3-amino alkyl) methacrylamide hydrochloride containing amino, dyhydroxyl substituted ortho aromatic aldehyde, phosphite ester and methylacrylic acid polyethylene glycol single methyl ether in an organic solvent in the presence of triethylamine, an initiator and a chain transfer agent. The macromolecular adhesive prepared by the invention is a water-based adhesive, which is mussel-mimetic and environmentally friendly; the macromolecular adhesive is applied to adhering among a plurality of substrates; adhesion can be realized under a variety of conditions; the macromolecular adhesive has good adhesive power; furthermore, the macromolecular adhesive is simple in preparation method, abundant in raw material source and low in cost; and therefore, the macromolecular adhesive is a potential excellent adhesive material.

Provided are adhesive compositions comprising a mixture of a maleimide terminated polyimide resin, a thermoplastic resin compatible with the maleimide terminated polyimide resin, a liquid rubber, and a thermally activated free radical curing agent. Various embodiments add one or more of a silane coupling agent, an ethylenically unsaturated compound with acid functionality, electrically conductive particles, and electrically conductive scrim. Methods of using the compositions also are provided.

The disclosure provides a production method and production line for pre-printed surface paper corrugated boards, and the production method and production line provided by the invention can be used for solving the problem that the existing corrugated board production line and process cannot adapt to the production of pre-printed colorful corrugated boards. In the disclosure, because the bonding mode that surface paper is arranged on a single-face corrugated board is adopted, the direct contact between color-printed paper and a high temperature heating plate of a drying part can be avoided, thereby effectively preventing the damages on the materials, patterns, gloss oil and plastic films of the color-printing paper. The disclosed corrugated board production method and corrugated board production line can effectively adapt to the application requirements of pre-printed colorful paper on the premise of not increasing the cost.

The embodiment of the invention discloses a pillow type packaging machine which comprises a limiting belt containing unit. The limiting belt containing unit is arranged at one end, for membrane feeding, of a packaging unit and comprises a first membrane containing roller. Limiting belts are overlaid on packaging membranes. By means of the packaging machine, processing and production of a pillow type packaging assembly line provided with the limiting belts can be achieved, the structure is simple, cost is low, stability is high, and the packaging quality is effectively improved.

A method is provided for bonding a substantially planar sheet material to a corrugated sheet material, both of which are porous using a continuous process, the method including:a) applying a controlled amount of adhesive to an apex contact portion of the corrugated sheet material; andb) holding the respective planar and corrugated sheets together at a specified pressure and for a specified pressing period so that a bond is formed between them.

The invention relates to a crystallinity low-melting point polyester fiber and a preparation method thereof; the crystallinity low-melting point polyester fiber is a belt core structure, wherein a belt layer is a low-melting-point polyester, and a core layer is PET; the low-melting point polyester fiber consists of terephthalic acid chain section, isophthalic acid chain section, 1, 3-propylene glycol chain section, dipropylene glycol chain section and molecular weight modifier, wherein the molecular weight modifier corresponding to the molecular weight modifier chain section is 1, 8-naphthalic acid, phthalic acid, 1, 2-cyclopentane dioctyl phthalate, 1, 2-cyclohexane dioctyl phthalate or corresponding dimethyl ester or diethyl ester. The preparation method includes low-melting-point polyester polymerization and belt core composite spinning, wherein post spinning adopts drafting-water washing technique, and drafting adopts oil bath drafting added with sodium sulfite; through rolling, cutting and drying, the crystallinity low-melting point polyester fiber is acquired. The crystallinity low-melting point polyester fiber prepared by the invention is low in melting point, and low in total content of acetaldehyde and acrolein.

The invention discloses an organic solvent miscible solution soaking bonding method on the basis of a micro-fluidic chip made of a polymer material. The method comprises the following steps: a. mixing absolute ethyl alcohol and an organic solvent according to a ratio of V ethyl alcohol to V organic of (20:1) to (5:1) to obtain a miscible solution; b. sufficiently wetting a polymer chip with a microstructure through the miscible solution prepared in the step a, placing the wet polymer chip into a culture dish with the miscible solution after assembling the wet polymer chip, and then immediately placing the culture dish into an oven, wherein a bonding temperature is 25 to 60 DEG C and bonding time is 5 to 20 minutes. The organic solvent miscible solution soaking bonding method improves a conventional polymer micro-fluidic chip bonding process, avoids blockage of the organic solvent on a micro channel in the bonding process, reduces the deformation quantity of the channel and can implement bonding of a plurality of layers of chips with complex structures. Moreover, the method requires simple instruments, can implement simultaneous bonding of a large batch of chips, ensures bonding intensity when shortening the bonding time of the chips, and is beneficial to commercialization of the micro-fluidic chip.

The invention discloses an efficient guitar fingerboard bonding device and a using method, the efficient guitar fingerboard bonding device is characterized by comprising a guitar handle production process, a guitar box production process and an assembly process, the fingerboard bonding device comprises a supporting frame, a movable locking assembly, a fixed locking assembly and an air valve pedal, and the movable locking assembly is distributed on the left portion of the supporting frame; the fixing and locking assembly is distributed on the right portion of the supporting frame. The air valve pedals are distributed at the bottom of the supporting frame. The movable locking assembly and the fixed locking assembly are connected with the air valve pedal. The device has the advantages of being simple in structure, convenient to use, safe to operate, high in precision, short in bonding time and high in working efficiency.

The invention discloses an environment-friendly hot melt adhesive for wax cartons and a preparation method of the hot melt adhesive, the hot melt adhesive is obtained by emulsion polymerization of vinyl acetate, methyl methacrylate, butyl acrylate and acrylic acid in paraffin emulsion, and dioctyl phthalate can be selectively added; the melting temperature of the environment-friendly hot melt adhesive for the wax carton ranges from 58 DEG C to 71 DEG C and is lower than or close to the temperature of a wax coating, and the wax coating on the surface of the wax carton can be effectively protected against damage in the bonding process; the solid hot melt adhesive is superior to commercially available common hot melt adhesives in T-shaped peel strength and single lap shear strength, meets therequirement for high bonding strength required by wax layers of wax cartons, has high cohesion strength, is not prone to damage, is good in liquidity in a molten state and short in bonding time, canachieve rapid bonding operation, and effectively improves production efficiency.

The invention belongs to the technical field of equipment and materials of kitchens and bathrooms and particularly relates to a burst-proof non-toxic protective layer for a valve core of a water faucet. The burst-proof non-toxic protective layer for the valve core of the water faucet, provided by the invention, has the advantages that the valve core of the water faucet can be prevented from bursting and the surface of the valve core is prevented from corrosion. The burst-proof non-toxic protective layer for the valve core of the water faucet comprises a water faucet valve core and a protectivelayer, wherein the water faucet valve core is smeared with the protective layer; and the protective layer is prepared from the following raw materials in percentage by mass (100%): 10% of gypsum powder, 10% of talcum powder, 5% of blockage preventer, 25% of glass glue, 0.5% of strengthening agent and 49.5% of iron sand. The burst-proof non-toxic protective layer achieves the effects of preventingbursting, preventing corrosion and prolonging the service life of the valve core.

The invention provides a polarimeter attaching device, comprising: polarimeter supporting part for supporting the polarimeter whose attached the protective film on at least one surface to the predetermined work position for separating protective film; protective film separating head unit which couples to one side of the polarimeter supporting unit and is able to move together with the polarimeter supporting unit to the work position and separate the protective film and polarimeter. The protective film separating unit comprises: unit main body; supporting roller coupling to the unit main body and supporting adhesive band; collecting roller supporting and collecting the exhausted adhesive band in the position separated from the supporting roller; and contacting roller forming adhesive band in the terminal port of the unit main body and moving from the supporting roller to the collecting roller and allowing the adhesive band contacting protective film. When the adhesive band is fixed on unit main body coupling the supporting roller, collecting roller and contacting roller, the protective film separating head unit may detachably couple to the predetermined head unit supporting portion.

A hot-melt adhesive comprising a thermoplastic resin and a first crystalline material, wherein when in differential scanning calorimetric measurement of the hot-melt adhesive, Tc (° C.) is a peak temperature of the highest peak of exothermic peaks observed in a temperature reduction process at 10° C. / min following heating to 150° C. and Tm (° C.) is a peak temperature of the highest peak of endothermic peaks observed in a temperature increasing process at 10° C. / min following the temperature reduction process, Tm-Tc is 20.0 to 70.0° C., and a tetrahydrofuran-soluble matter of the hot-melt adhesive has a weight-average molecular weight Mw, as measured by gel permeation chromatography, of 100,000 to 400,000.

The invention discloses a novel universal adhesive, which is prepared by mixing the following materials: 20-25 parts of a vinyl acetate copolymer resin, 1-3 parts of 4-hydroxyphenyl, 6-8 parts of epoxy acrylate, 7-9 parts of dimethyl carbonate, 10-14 parts of a polyvinyl alcohol solution, 3-5 parts of triethanolamine, 8-10 parts of a phenol resin, and 9-12 parts of dichloromethane. The novel universal adhesive of the present invention has characteristics of strong adhesive force, good impact resistance, low sensitive and irritating odor, no damage to human health, good environmental protectionand strong anti-oxidation ability.

The invention discloses a quick-drying adhesive for fixation and connection of cartons. The quick-drying is characterized by comprising the following raw materials in parts by mass: 42-53 parts of polyvinyl alcohol, 11-19 parts of tung oil, 13-16 parts of anhydrous ethanol, 5-9 parts of asbestos powder, 6-11 parts of acetone, 12-14 parts of sodium hydroxide, 2-3 parts of an additive, 5-8 parts ofa thickening agent, 1-3 parts of formaldehyde, 2-3 parts of an antioxidant and 47-55 parts of a solvent. According to the quick-drying adhesive, the raw materials are easily available, the preparationmethod is simple, cost is low, and the operation is convenient during use. The quick-drying adhesive has high adhesive force and short adhesive time to cartons, is suitable for being used in carton production, is environmentally friendly, and is free of pollution.

The invention discloses a utensil for congou art and particularly discloses a wooden tea art holder capable of balancing two clamping arms by rotating in the use process. In the specific embodiment of the invention, the wooden tea art holder comprises two clamping arms and an elastic clamping sleeve, wherein an arc-shaped bent part is formed at the inner side of the top of each clamping arm, and the two clamping arms are oppositely combined, so the two arc-shaped bent parts are in butt-joint; the elastic clamping sleeve is in the gradual necking shape from bottom to top, the elastic clamping sleeve is sleeved at the top parts of the two clamping arms, the upper end of the elastic clamping sleeve is tightly pressed on the tail ends of the top parts of the two clamping arms, so that the tail ends of the top parts of the two clamping arms are fitted, and the lower side at the oppositely-combined position of the two clamping arms is in natural opening state. According to the wooden tea art holder, the problem that the clamping arms are easily broken due to usual greater deformation is overcome, the structure is very simple, the fabrication time and material are saved, and the service life of products is facilitated to be prolonged.

The invention discloses assembly equipment for label scale production, and relates to the technical field of label scale production, the assembly equipment comprises a back plate and a lifting rotation assembly, and a guide rail is fixed on one side of the back plate. In the using process, the vacuum suction pipes are arranged at equal intervals in the axial direction of the rotating shaft, synchronous taking of multiple resistance strain gauge materials can be achieved at the same time, after the vacuum suction pipes complete taking, the lifting plate is pulled by the air cylinder to descend, and the rotating shaft intermittently rotates according to the specified angle in the lifting process; in the first stage, adsorption and material taking of a resistance strain gauge material by a vacuum suction pipe are completed, in the second stage, an adhesive is attached to the lower surface of the resistance strain gauge material, and in the third stage, the glued face of the resistance strain gauge is placed above a sensor elastomer tool and tightly combined with the sensor elastomer tool through pressing. The three stages are controlled by an air cylinder and are sequentially completed step by step, high integration of the three working procedures of material taking, gluing and pressing is achieved, the working procedure design is reasonable, and the structure is compact and efficient.

The invention discloses a polysaccharide-based tissue bonding medical adhesive and application thereof. The polysaccharide-based tissue bonding medical adhesive is composed of a polysaccharide derivative and a compound with at least two reaction functional groups, wherein the polysaccharide derivative and the compound with at least two reaction functional groups generate a bonding effect through one or more of a physical effect and a chemical reaction; and the polysaccharide derivative is polysaccharide after functional group substitution. The polysaccharide-based tissue bonding medical adhesive can bear relatively large tension, has relatively short tissue bonding time and relatively high tissue stripping force compared with a cyanoacrylic acid medical adhesive, can realize rapid bonding and sealing of wounds, has strong adhesion with tissues after being applied, is not easy to strip, can be suitable for stretched wounds, and can realize effective closing.

The invention discloses a bonding process for a target material for liquid crystal display, a semiconductor and electronics. The bonding process comprises the following sequentially performed steps that a bonding material preparation step is performed, wherein a pure metal indium wire is prepared; a plasma spraying step is performed, wherein the prepared pure metal indium wire is placed into a plasma spraying device to be heated to be in a molten state, and the molten-state pure metal indium is correspondingly sprayed on the corresponding surfaces of the target material and a back plate through the plasma spraying device; and a bonding step is performed, wherein the target material and the back plate which are subjected to surface spraying are bonded, and a preset pressure is applied to the upper surface of the bonded finished product for cooling. According to the bonding process, the oxidation of the bonding material can be reduced.

A compatibilizing agent is described for a mixture of(1) a polyester polyol containing units derived fromat least one aliphatic dicarboxylic acid (A) having n carbon atoms (10≦n≦20) andat least one aliphatic diol having k carbon atoms (2≦k≦12) and(2) a polyester polyol containing units derived fromat least one aliphatic dicarboxylic acid (B) having m carbon atoms (2≦m≦9) andat least one aliphatic diol having k carbon atoms (2≦k≦12),the compatibilizing agent containing a polyester polyol which contains units derived fromat least one aliphatic dicarboxylic acid (A) having n carbon atoms (10≦n≦20),at least one aliphatic dicarboxylic acid (B) having m carbon atoms (2≦m≦9), andat least one aliphatic diol having k carbon atoms (2≦k≦12)and in which the ratio of ingredient (A) to ingredient (B) used is from 90:10 to 10:90 in terms of molar ratio (provided that n-m≧4).

The invention discloses an adhesive for metal glue joint. The adhesive comprises, by weight, 20-30 parts of butadiene rubber based magneto-rheological elastomers, 10-20 parts of fully-vulcanized superfine powder butadiene styrene rubber, 10-20 parts of 4, 4'-diphenyl-methane-diisocyanate, 6-12 parts of polytetrahydrofuran polyether, 12-18 parts of organic attapulgite / polyurethane elastomer nanocomposite, 8-15 parts of plant glue, 2-5 parts of coupling agents and 1-3 parts of initiating agents. By means of the adhesive for the metal glue joint, the adhesion is highly firm, the adhesion time is short, and the volatilization of harmful substances can not occur.

The invention discloses a wardrobe door plate machining method and machining equipment. The wardrobe door plate machining method comprises the following steps that a door plate is pretreated, specifically, the door plate is manufactured into a structure comprising an outer frame, a belly plate arranged in the outer frame and a wood veneer arranged on the periphery of the outer frame, and the end face of the wood veneer exceeds the outer frame by a certain distance; the belly plate and leather are placed in the wardrobe door plate machining equipment to be subjected to hot pressing for 3-5 min,the hot pressing temperature ranges from 70 DEG C to 80 DEG C, and the pressure intensity ranges from 100 Pa to 120 Pa; and a metal strip is installed at the junction of the periphery of the leatherand the outer frame, and a metal strip is installed at the junction of the outer frame and the wood veneer. According to the machining equipment, a hot-pressing compound machine performs hot pressingon the belly plate and the leather, so that the bonding time of water-based adhesive can be shortened, and the machining efficiency is improved.

The invention discloses a high-polymer metal adhesive containing 3,4-dihydropyrimidyl-2-one structure, and a preparation method and application thereof. The method comprises the following step: carrying out Biginelli reaction on a compound containing formyl group and beta-dione and a compound A. The metal adhesive has the advantages of simple preparation technique, controllable technological parameters, abundant sources of raw materials required by preparation, and low price, implements monomer polymerization curing by the Biginelli reaction so as to achieve the bonding effect, and has favorable bonding effect on metal materials. The bonding shear strength is 1.2 MPa above. The metal adhesive has the characteristics of short bonding lime and favorable temperature tolerance, and can easily implement large-scale industrial production.

The invention discloses a double-component silicone structural sealant for heat mirror hollow glass and a preparation method of the sealant. The sealant comprises a component A and a component B, wherein the component A comprises hydroxyl-terminated polydimethylsiloxane, alkyl-terminated polydimethylsiloxane, hollow microsphere, ceramic microbead, metal hydroxide, metal oxide, activated calcium carbonate, inorganic pigment and a surfactant; the component B comprises alkyl-terminated polydimethylsiloxane, a coupling agent, a cross-linking agent, a catalyst, an inhibitor, a thickening agent, and silicon dioxide. The preparation method of the sealant comprises the following steps: 1) taking each ingredient in the component A to be mixed uniformly under the vacuum condition; 2) taking each ingredient in the component B to be mixed uniformly under the vacuum condition; 3) mixing the component A and the component B at room temperature according to the weight ratio of (8:1) to (20:1), and at last obtaining the sealant. The double-component silicone structural sealant is good in adhesiveness, high in curing speed, good in sealing performance, high in hardness and modulus, and excellent in thermal barrier effect, and suitable for sealing and bonding of heat mirror film, glass and metal materials etc.

The invention discloses a polysaccharide-based tissue bonding medical adhesive and application thereof. The polysaccharide-based tissue bonding medical adhesive is prepared from a polysaccharide derivative and a compound with at least two reaction functional groups, wherein the polysaccharide derivative and the compound with at least two reaction functional groups generate a bonding effect through one or more of physical action or chemical reaction; and the polysaccharide derivative is polysaccharide substituted by functional groups. The polysaccharide-based tissue bonding medical adhesive can bear larger tension; compared with a cyanoacrylate medical adhesive, the polysaccharide-based tissue bonding medical adhesive has the advantages of shorter tissue bonding time and higher tissue stripping force, and can realize quick bonding and sealing of wounds; and meanwhile, after application, the polysaccharide-based tissue bonding medical adhesive has strong adhesive force with tissues, is not easy to strip, can be suitable for stretched wounds, and can realize effective closing.

The invention discloses an in-cell electronic ink touch display screen comprising a touch panel and an electronic display screen. The touch panel is arranged in the electronic display screen, and the touch panel parts and an electronic ink display panel are integrated into an electronic ink touch display screen structure. The electronic ink display screen of the invention is closer to the visual angle of 180 degrees, and the readability is enhanced. The touch panel is embedded into the electronic display screen, the number of layers that light needs to pass through is reduced, and the image resolution is enhanced. Through touch panel embedding, the time for bonding the layers of the display screen is reduced, and the production efficiency is increased. The display screen is thinner and more flexible, and the screen space is enlarged. Space can be found for a larger battery or other more abundant auxiliary equipment.