68results about "Shellac adhesives" patented technology

The invention discloses an aerosol spray adhesive, which contains two components of a base material and a propellant. In the aerosol spray adhesive, the base material and the propellant are filled together in an aerosol seal pot with a valve. The formula of the base material comprises (by weight): thermo-plastic elastomer 8 to 12 parts, terpene resin 8 to 12 parts, C9 petroleum resin 5 to 8 parts, rosin glyceride 2 to 4 parts, ethyl acetate 8 to 12 parts, butyl acetate 12 to 18 parts, extraction solvent oil No.6 30 to 50 parts, BHT 0.2 to 1.0 parts, and naphthenic oil 1 to 2 parts. The aerosol spray adhesive has the advantages that the product is filled as aerosol and sealed in a pot, so that the product can be sprayed without the need of matched facilities when in use and is convenient in construction; the sprayed adhesive particles are fine and uniform to prevent wrinkling when being used for adhering fine and thin materials; and the product can be used for adhering various materials such as paper sheets, plastics, thick paper boards, foam and metal.

The invention discloses a bonding agent for wax processing of a wafer and a preparation method thereof. The bonding agent mainly comprises paraffin wax, rosin and shellac, wherein the paraffin wax, the rosin and the shellac are proportioned according to the weight ratio of 20-50: 40-75: 5-20. The bonding agent can regulate the melting point by changing the adding proportion of raw materials, and the melting point can be generally controlled within the range of 70 DEG C-130 DEG C, in particular to 80 DEG C-120 DEG C. The preparation method of the bonding agent for was processing of the wafer comprises the step of utilizing a die to prepare the melted bonding agent which is uniformly stirred into a finished product bonding agent with a certain shape. The bonding agent utilizes the die for processing and molding and can meet various application needs in the actual production by changing the size and the shape of a model when being applied in the wafer processing process, and be easy to store.

The invention discloses an acrylic ester composition, a preparation method of the acrylic ester composition, and an adhesive tape applying the composition. The acrylic ester composition is prepared by a reactive material, a tackifier and a diluting solvent, and the weight-average molecular weight of a prepared polymer is 200,000-1,000,000. The reactive material comprises the following components in parts by weight: 95-99 parts of acrylic ester, 2-5 parts of (methyl) acrylic acid, 0.1-0.3 parts of (methyl) hydroxyethyl acrylate, and 0.3-0.8 parts of initiating agent. The adhesive tape comprises a base material, and an acrylic ester adhesion agent coated on the base material, wherein the acrylic ester adhesion agent is mixed by the acrylic ester composition with a curing agent; the coating gram weight of the acrylic ester composition is 90-180g / m<2>; the acrylic ester composition accounts for 83-84% of the total weight of the adhesive tape; the curing agent accounts for 1-2% of the total weight of the adhesive tape; and the base material accounts for 5-16% of the total weight of the adhesive tape. Both the initial viscosity and the long-term viscosity of the adhesive tape prepared by the acrylic ester composition are excellent.

A composition for application to teeth which is obtained by adding a pigment, pigment dispersant, dye, medicinal ingredient having anticariogenic activity, antibacterial, thickener, iridescent reflective material, bleacher, perfume, etc. as minor ingredients to shellac and rosin as major ingredients. The composition is used for beauty or tooth decay prevention. It is excellent in rapid-drying property, durability, color tone, gloss, and ease of removal.

The invention relates to a viscose glue and a viscose glue plaster prepared from the viscose glue, wherein the viscose glue is capable of realizing non-trace adhesion and being repeatedly used for multiple times. The main components of the viscose glue include silica gel and a tackifier, the silica gel weight accounts for 40%-60% of the overall weight of the viscose glue, and the tackifier weight accounts for 40%-60% of the overall weight of the viscose glue. The viscose glue has high activity groups, and when in use, the viscose glue can fill gaps on the glued material surface to exclude air inside the gaps so as to enable the viscose glue to attach to the glued material surface. The viscose glue mainly depends on adsorption type adhesive force for attaching, so that the viscose glue is convenient to tear off, and no residual excess viscose glue may be left on an attached material. The viscose glue plaster prepared from the viscose glue, which has a certain pattern, can be widely applied to sticky hooks, hanging pasters, electronic product pasting films and other various home furnishing, advertising and printing products, and has a great applicable range and market prospect.

The invention discloses a preparation method of environmentally friendly building adhesive. The method comprises the steps that 1), gum acacia and shell lac are poured into an agitating pan, heating agitation processing is conducted under the condition of compression to obtain viscous liquid; 2), terpene resin, glycerol ester of rosin, turpentine, aluminium silicate powder, white carbon black andthe like are poured into an agitation tank to perform agitation processing to obtain a mixture; 3), emulsion obtained in step 2) is poured into the viscous liquid obtained in step 1), agitation is constantly performed until the material is cooled down to room temperature, ethanol is added, and emulsifying agitation processing is conducted to obtain the adhesive. According to the method, the residual formaldehyde content of the environmentally friendly building adhesive is extremely low, the health of human is not affected, which is beneficial to the protection of the environment.

The invention discloses a lamp holder welding paste prepared from rosin, shellac, 217 phenol-formaldehyde resin, ethyl alcohol, thermal-conductive carbon fibers, a zinc sulfide powder, a barium sulfate powder, a calcium carbonate powder and silicon modified polyurethane. The welding paste can maintain a paste state for a long term, is not easy to dry, can be well attached on a foam body root, has low curing temperature and fast heat conduction, improves the finished product rate of welding of lamp bulbs and lamp holders, and extends the lamp bulb service life.

The invention relates to a bonding agent and a using method thereof, in particular to a novel high-strength impact-resistant bonding agent. The novel high-strength impact-resistant bonding agent consists of the following components in percentage by weight: 60 percent of rosin, 20 percent of lacca, 20 percent of beeswax, 5 percent of polystyrene, and 5 percent of siloxane compounds. Even at a low temperature, the novel high-strength impact-resistant bonding agent can meet general ceramic processing requirements.

The invention discloses an LED straight-tube lamp. The LED straight-tube lamp comprises a lamp tube, a lamp cap arranged at one end of the lamp tube, a power supply including a hard circuit board and arranged in the lamp cap, and a lamp panel arranged in the lamp tube and provided with at least one light source, wherein the light sources and the power supply are electrically communicated through the lamp panel; the lamp panel includes a flexible circuit soft panel; the flexible circuit soft panel is longer than the hard circuit board; and the hard circuit board and the flexible circuit soft panel are mutually attached to form a circuit board combination piece.

The invention discloses a high-efficiency environment-friendly spraying glue and a preparation method thereof. In a formula for the spraying glue, butane, propane and dimethyl ether which are basically harmless to human bodies are employed, and such solvents with low toxicity or trace toxicity have low content and account for a small percentage of the glue, so environmental protection is realized and physical and mental health of a worker is protected. The high-efficiency environment-friendly spraying glue provided by the invention has the advantages of no odor, a uniform spraying effect, low cost, etc. No. 5 petroleum fraction employed in the invention has the characteristic of fast drying, so construction efficiency is improved to a great extent, and work efficiency is substantially improved.

The invention discloses high-viscosity and low-permeability glue. The high-viscosity and low-permeability glue is prepared from the following raw materials in parts by weight: 20 to 30 parts of gelatin, 30 to 40 parts of shell-lac, 10 to 15 parts of corn starch, 1 to 4 parts of borax, 2 to 5 parts of hydrogen peroxide, 2 to 7 parts of sodium silicate, 0.5 to 1 part of alums and 2 to 5 parts of water, wherein the content of shell-lac resin in the shell-lac is 70 percent to 90 percent. The high-viscosity and low-permeability glue has a strong cohesive force and low water permeability; the gelatin and the shell-lac animal glue are added, and benzene and formaldehyde solvents are not included, so that the high-viscosity and low-permeability glue has no toxin and irritation, is safe and environmentally friendly, and is harmless to human bodies.

The invention provides a metal adhesive. The metal adhesive comprises common butyl rubber and shellac, and is characterized in also comprising following ingredients, by mass, 5 to 15 parts of dicyanodiamide, 1 to 10 parts of resorcinol, 4 to 15 parts of sulfur dioxide, and 6 to 20 parts of n-butyl alcohol. Compared with existing technology, beneficial effects of the metal adhesive are that: dicyanodiamide, resorcinol, sulfur dioxide, and n-butyl alcohol are added, so that the metal adhesive possesses excellent metal adhesive effect.

The invention aims to provide a dry sealing adhesive and a preparation method thereof. The dry sealing adhesive comprises the components of, by weight, 40-52 parts of anhydrous ethanol, 40-48 parts of shellac, 4-8 parts of colloidal graphite powder, 2-4 parts of castor oil and 1-2 parts of aluminum paste. The liquid sealing adhesive can be used for faying surfaces of components, plays a bonding and sealing effect, and can be used for sealing component systems of gas, lubricating oil and the like. When being in use, the drysealing adhesive is applied on the mutually connecting parts of the components. The dry sealing adhesive is convenient for use; and the adhesive layer is easy to remove. The dry sealing adhesive has little pollution to both human body and the environment, and is simple and convenient in construction process, so that quality and production efficiency of the produce can be increased. The dry sealing adhesive provides an excellent material for the design of product components.

The invention relates to an insect sticking glue for tree trunks, and belongs to the technical field of diseases and insect pests prevention and treatment. A hydrogen-bond-reinforced tear-resistant shape memory hydrogel base material is synthesized with polyethylene glycol, N,N-dimethylacrylamide and other raw materials, the base material has good tensile properties, and the good tensile resistance effect can be realized without the need for external additives to realize driving; an added self-made auxiliary agent has an amphiphilic property, and vesicles can be formed in the system by self-assembly of the auxiliary agent, and an environment-friendly multi-related insect sticking glue system is formed through relations of environment-friendly insect sticking and insecticidal effects, photosynthesis of plants and the growth of the vesicles; and longicorn beetles are subjected to the pretreatment culture to stimulate the secretion of gastric juice and hormone-like compounds in vivo, themildew of the insect sticking glue is avoided by the cooperation with a porous structure of the colloid, and then the high tensile resistance and the environment-friendly performance can be maintainedfor a long time. The problems of poor tensile resistance and poor environment-friendly performance of commonly used insect sticking glues at present are solved.

The invention discloses a bonding agent for wax processing of a wafer and a preparation method thereof. The bonding agent mainly comprises paraffin wax, rosin and shellac, wherein the paraffin wax, the rosin and the shellac are proportioned according to the weight ratio of 20-50: 40-75: 5-20. The bonding agent can regulate the melting point by changing the adding proportion of raw materials, and the melting point can be generally controlled within the range of 70 DEG C-130 DEG C, in particular to 80 DEG C-120 DEG C. The preparation method of the bonding agent for was processing of the wafer comprises the step of utilizing a die to prepare the melted bonding agent which is uniformly stirred into a finished product bonding agent with a certain shape. The bonding agent utilizes the die for processing and molding and can meet various application needs in the actual production by changing the size and the shape of a model when being applied in the wafer processing process, and be easy to store.

The invention relates to an LED lamp. The LED lamp comprises a tube and a metal lamp holder capable of being used for high-frequency heating, wherein the tube comprises a straight part and necked parts arranged at two ends of the straight part, and smooth transition sections are arranged between the necked parts and the straight part; a lamp belt adheres to the straight part by the aid of an adhesive, and a patch power supply and LED light-emitting units are arranged on the lamp belt; the metal lamp holder is arranged outside the necked parts and is closely connected with the necked parts by the aid of welding mud; the metal lamp holder is 10-12 mm long, the necked parts are 6-8 mm long, and the gap between the metal lamp holder and the necked parts is 1-2 mm; the patch power supply is arranged in the position close to one end of the straight part, and the distance between the patch power supply and the end of the straight part is 3-5 mm. The LED lamp is simple in structure, high in lighting efficiency and low in rejection rate, comprises few components, is beneficial to industrial production line production and has unique technical advantages in aspects of breaking through the production bottleneck and substantially increasing the profit margin of products, and the welding mud is efficient and quick to solidify.

The invention provides an LED straight lamp.The LED straight lamp comprises a lamp tube and a lamp cap arranged outside the tail end region of the lamp tube.The lamp cap comprises an insulating tube, a magnetic conductive metal part and hot melt glue.The tail end region of the lamp tube is sleeved with the insulating tube.The magnetic conductive metal part is fixedly arranged on the inner circumferential face of the insulating tube.The inner surface of the magnetic conductive metal part is coated with the hot melt glue, and the hot melt glue adheres to the outer circumferential face of the lamp tube.According to the LED straight lamp, the portion between the inner surface of the lamp cap and the outer surface of the end of the lamp tube is filled with the hot melt glue after the hot melt glue is heated and expanded through external heating equipment.Through cooperation of the heating equipment (an induction coil) outside the lamp cap and the magnetic conductive metal part, the hot melt glue is heated and expanded so that the lamp cap can be fixed to the lamp tube, the induction coil can also be used in cooperation with a power amplification unit, thus the power of an alternating current can be amplified by one to two times, the induction coil and the insulating tube are coaxial, and therefore energy transfer is uniform.

The invention discloses an adhesive for bamboo and wood processing and a preparation method thereof and belongs to the field of preparation of adhesives. The adhesive is prepared from the following raw materials in parts by weight: 18 to 20 parts of starch, 12 to 20 parts of shellac, 5 to 7 parts of rosin, 7 to 9 parts of nano titanium dioxide, 2 to 4 parts of lignin, 1 to 3 parts of sodium sulfate, 19 to 24 parts of ethylene propylene diene monomer, 3 to 5 parts of silicone powder, 12 to 14 parts of refractory mortar, 3 to 7 parts of fatty acid ester, 1 to 3 parts of a tackifier, 1 to 3 partsof a preservative and 20 to 40 parts of water. The adhesive for the bamboo and wood processing and the preparation method thereof, provided by the invention, have the advantages that a manufacturingtechnology is simple and the prepared adhesive has good bonding performance and flame-retarding performance.

The invention discloses a wood window. Adjacent woody blocks are bonded to one another with an adhesive, and the adhesive is prepared from starch, sodium hydroxide, phenol, sodium stearate, shellac, formaldehyde, borax, ethanol and water through mixing. The wood window disclosed by the invention has the advantages that the firmness is good, and the production cost is low.

The invention discloses a lamp tube of an LED straight-tube lamp and a lamp cap connecting method. The method comprises the following steps that hot melt adhesive is coated on the inner surface of a lamp cap; the lamp cap sleeves the end part of the lamp tube; and after the hot melt adhesive is heated to expand through external heating equipment, a space between the inner surface of the lamp cap and the outer surface of the end part of the lamp tube is filled with the hot melt adhesive.

The invention discloses a preparation method of a biodegradable hot melt adhesive, and belongs to the technical field of preparation of hot melt adhesives. The preparation method comprises the following steps: extracting glutin from fishskin; dissolving the glutin in warm water, and compounding the glutin with a propylene glycol plasticizer to obtain thermoplastic glutin; modifying lac resin and rosin resin by using substances such as borax and cashew nut oil to obtain compound modified resin; taking the compound modified resin, polyesteramide and the thermoplastic glutin as hot melt adhesive matrix resin; adding auxiliaries such as an antioxidant and a plasticizer and mixing, and then milling in a mixing mill to obtain the biodegradable hot melt adhesive. The preparation method of the biodegradable hot melt adhesive has the beneficial effects that the compound modified resin, the polyesteramide and the thermoplastic glutin are taken as the hot melt adhesive matrix resin, can be biodegraded and are environmentally friendly, the prepared hot melt adhesive is high in curing speed, and has good adhesion property at high temperature, a preparation process is simple, and the cost is low.

The invention discloses a preparation method of an optical adhesive. The preparation method comprises steps as follows: S1, three raw materials including shellac, rosin and calcium carbonate powder are taken respectively according to the designed matching ratio; S2, rosin is heated to be molten, shellac is added, the mixture is stirred with a stirring rod, and a mixed solution A is obtained; S3, calcium carbonate powder is added to the mixed solution A, and a mixed solution B is obtained; S4, the mixed solution B is poured into an accommodating tank and cooled to the room temperature, and the optical adhesive can be obtained. The optical adhesive has the characteristics of being low in cost, high in adhesion strength, convenient to use, free of toxicity and pollution, easy to clear and the like; when a crystal blank is required to be taken down by removing the adhesive, the adhesive can be directly and integrally torn down or can be directly and integrally torn down after heating and softening, the adhesive cannot adhere to the surface of the crystal blank, the cleanliness of the surface of the crystal blank is kept better, the adhesive is convenient and efficient to use, and besides, the adhesive is lower in loss, can be repeatedly used and is suitable for processing.

The invention provides a high-strength adhesive. The technical scheme adopted by the invention is a high-strength adhesive. The high-strength adhesive comprises common butyl rubber and a shell-lac component. The high-strength adhesive is characterized by also comprising the following components in parts by weight: 5-15 parts of urea resin, 1-10 parts of ammonium chloride, 4-15 parts of formaldehyde and 6-20 parts of zinc oxide. Compared with the prior art, the high-strength adhesive has the beneficial effects that the adhesive has high strength by adding the urea resin, the ammonium chloride, the formaldehyde and the zinc oxide.

The invention discloses a lamp holder welding paste prepared from rosin, shellac, 217 phenol-formaldehyde resin, ethyl alcohol, thermal-conductive carbon fibers, a zinc sulfide powder, a barium sulfate powder, a calcium carbonate powder and silicon modified polyurethane. The welding paste can maintain a paste state for a long term, is not easy to dry, can be well attached on a foam body root, has low curing temperature and fast heat conduction, improves the finished product rate of welding of lamp bulbs and lamp holders, and extends the lamp bulb service life.

The invention discloses a metal door. The metal door is formed by bonding metal plates through adhesive. The adhesive is formed by mixing bone glue, white alum, lac, ethanol, starch, phenol and water. The metal door is good in product firmness and low in production cost.

The invention discloses a waterproof adhesive. The waterproof adhesive is composed of, by mass, 10-20 parts of butyl rubber, 3-5 parts of polyether, 2-4 parts of lithium catalyst, 4-6 parts of shell-lac, 6-8 parts of reinforcing filler, 5-7 parts of petroleum wax, 4-6 parts of polyvinyl butyral, 6-8 parts of polyether polyol, 15-25 parts of latex powder and 30-50 parts of water. The waterproof adhesive has the advantages of being convenient to use, safe, free of toxin, waterproof, resistant to dampness and low in cost.

Disposable hologram image imprinted film thermal transfer adhesive consists of 20 to 35 grams of decolouring shellac, 1 to 8 grams of lacquer, 0 to 3 grams of polyvinyl butyral, 200 to 300 milliliters of industrial alcohol and 120 to 140 milliliters of acetone. In a method for preparing the adhesive, saturated solution A is prepared by dissolving the decolouring shellac in alcohol; solution B is prepared with lacquer of 4 grams and acetone of 110 milliliters; alcoholic solution C of polyvinyl butyral of 10 percent is prepared; before use, solution A, solution B and solution C are mixed pro rata. The invention can transfer laser hologram images to low grade wrappings, thus getting the functions of forgery prevention and ornament of the wrappings. The solute of the adhesive which is a resin is solid at ordinary temperature and is not adhesive can be coated conveniently, and films can be enclosed together after being dried. The solute is adhesive at blocking temperature and can adhere quickly.

The invention discloses an LED transparent organosilicon pouring sealant with a high refractive index and high viscosity. The LED transparent organosilicon pouring sealant is composed of a first component and a second component, wherein the first component comprises the raw materials: in parts by weight, 60-70 parts of vinyl silicone oil, 15-25 parts of bleached lac resin, 5-8 parts of hydrogen-containing silicone oil, 8-15 parts of melamine formaldehyde resin, 5-10 parts of beeswax liquid, 0.5-1 part of trisodium phosphate and 15-40 parts of modified fumed titanium dioxide, and the second component comprises the raw materials: in parts by weight, 10-15 parts of vinyl silicone oil and 0.4-0.8 part of a platinum catalyst. The invention discloses a preparation method of the LED transparent organosilicon pouring sealant with a high refractive index and high viscosity. The LED transparent organosilicon pouring sealant with a high refractive index and high viscosity has a high refractive index, good mechanical properties and bonding performance on the basis of good light transmittance.

The invention discloses a binder for a paper-plastic food packaging film and a preparation method thereof. The preparation method comprises 1) carrying out ball milling on starch, silica gel, shell-lac and polyoxyethylene sorbitan fatty acid ester to obtain a mixture, 2) carrying out gelatinization on the mixture and water to obtain a gelatinization product, and 3) carrying out ultrasonic concussion on polyurethane, a sulfate, a borate, nano-magnesium oxide, water, ethanol, toluene and the gelatinization product to obtain the binder for a paper-plastic food packaging film. The binder can bond a paper layer and a polymer layer so that a paper-plastic food packaging film is obtained. The paper-plastic food packaging film has excellent stability. The preparation method has the characteristics of simple processes and easy availability of raw materials.

The invention relates to the technical field of materials, in particular to a shellac viscose, a preparation method of the shellac viscose and a preparation method of bismuth telluride crystal grains.The shellac viscose is prepared from, by mass, 40-44% of shellac, 7-9% of dibutyl phthalate, 11-13% of di(2-ethylhexyl)phthalate and 35-38% of talcum powder. Through the shellac viscose with high bonding strength, it is guaranteed that when multiple bismuth telluride wafers are bonded to be cut, the bismuth telluride wafers cannot deviate or be broken, and the prepared bismuth telluride crystal grains are good in size consistency and high in finished product rate; through a one-time preparation process, preparation of multiple bismuth telluride crystal grains can be completed, the efficiencyof preparing the bismuth telluride crystal grains is obviously improved, and the preparation cost of the bismuth telluride crystal grains is lowered; a cutting cutter seam formed during first face cutting is immersed in the fused shellac viscose, burrs can be reduced, and the preparation quality and precision are improved.