492 results about "Stick resin" patented technology

The invention belongs to the technical field of conductive adhesives, and particularly relates to a salt-fog-resistant waterborne conductive adhesive and a preparation method thereof.The salt-fog-resistant waterborne conductive adhesive is mainly prepared from, by weight, 5-10 parts of salt-fog-resistant waterborne polyurethane; 5 to 10 parts of water-based tackifying resin; 30 to 50 parts of conductive silver powder; 10 to 20 parts of ethanol; 2-10 parts of an anti-hydrolysis agent; and 10-30 parts of deionized water. According to the salt-fog-resistant aqueous conductive adhesive, polyurethane resin with polytetrahydrofuran alcohol and polycaprolactone polyol as main structures is used as matrix resin, a system is endowed with excellent water resistance and salt-fog resistance, the salt-fog-resistant aqueous conductive adhesive shows outstanding hydrolysis-resistant stability after being cured, and the salt-fog-resistant aqueous conductive adhesive and the conductive silver powder have a synergistic effect, so that the anti-settling performance is effectively improved.

The invention relates to the technical field of waterproof coiled materials, and provides a macromolecule waterproof coiled material with a hook-and-loop fastener and a preparation method thereof.The macromolecule waterproof coiled material with the hook-and-loop fastener sequentially comprises the hook-and-loop fastener, a macromolecule sheet layer, a blocking layer, an upper gluing waterproof layer, a film-based macromolecule layer, a lower gluing waterproof layer and an anti-sticking layer from top to bottom; the upper adhesive waterproof layer and the lower adhesive waterproof layer are both modified self-adhesive asphalt sizing materials, and the modified self-adhesive asphalt sizing materials comprise asphalt, softening agents, styrene-butadiene-styrene block copolymers, butadiene styrene rubber, butyl rubber, tackifying resin, desulfurized rubber powder, filler and compatilizers. The filler is prepared from the following raw materials: carbon black, silicon dioxide, a silane coupling agent and 5-methylphenol-2-calcium sulfonate; the hook-and-loop fastener is a hook-and-loop fastener, the hook-and-loop fastener comprises a hook-and-loop fastener hook surface layer and a hook-and-loop fastener loop surface layer, and by means of the technical scheme, the problem that in the prior art, the high polymer waterproof roll is low in peel strength is solved.

The present invention relates to the technical field of tackified adhesive films and specifically to a tackified adhesive film. The tackified adhesive film comprises a substrate layer and a UV-tackified adhesive layer applied onto the substrate layer. The UV-tackified adhesive layer is prepared by using a modified polyester resin, which is obtained by the graft polymerization of a hydroxyl-terminated polyester resin, butyl methacrylate, and isocyanatoethyl methacrylate, as a main resin and mixing the main resin with a tackifying resin, a photo-curing agent and the like. The UV-tackified adhesive layer has relatively high cohesive strength and relatively good adhesion to a PET substrate. Before a UV-induced tackification reaction, an initial peel force is not significantly increased with the extension of standing time, so that an adhesive tape can be easily removed without causing damage and contamination such as residual adhesive to an adherend . After the UV-induced tackification reaction, the modified polyester resin can improve the bonding strength between the adhesive tape and the adherend.

The invention relates to the technical field of high polymer materials, and discloses a high-durability pressure-sensitive adhesive with low VOCs release and a preparation method thereof.The high-durability pressure-sensitive adhesive is prepared from, by weight, 50-80 parts of acrylate copolymer, 0.5-5 parts of cross-linking agent, 10-30 parts of tackifying resin, 1-10 parts of inorganic filler, 0.1-2 parts of antioxidant and 20-50 parts of solvent. Wherein the tackifying resin is at least one of hydrogenated petroleum resin and glycerol ester of rosin, and the inorganic filler is one of nanoscale silicon dioxide and calcium carbonate. Butyl acrylate is used as a main monomer, 2-ethylhexyl acrylate is used as a comonomer, acrylic acid is used as a functional monomer, benzoyl peroxide is used as an initiator, free radical polymerization is carried out at the temperature of 60-85 DEG C under the protection of nitrogen for 4-8 hours, and a copolymer chain with the molecular weight distribution index (PDI) smaller than or equal to 2.5 is formed, so that the viscosity and elasticity of colloid can be balanced; the peeling strength and the weather resistance are improved, and the colloid is prevented from being too soft or embrittled.

The invention relates to the technical field of protective films, in particular to a high-light-transmittance label protective film and a preparation method thereof.A multi-layer protective film formed by compounding a release film layer, an adhesive layer, a PET film and a protective layer is constructed; composite vinyl ester resin constructed by taking epoxy resin and acrylic acid as raw materials is subjected to toughening modification, and then a linear reactive diluent is compounded to construct a high-toughness protective layer which is resistant to high temperature and aging and can be photo-cured; long-chain alkane modified nano silicon dioxide is introduced into the protective coating, nano silicon dioxide is aminated by 3-aminopropyltriethoxysilane, and then 17-carbon monoisocyanate prepared by taking acetone, stearic acid, triphenylphosphine, sodium azide and N-chlorosuccinimide as raw materials is grafted to form the long-chain alkane modified nano silicon dioxide. Vinyl butadiene styrene rubber, composite vinyl ester resin, tackifying resin, a softening agent and a photoinitiator are mixed to prepare the adhesive layer.

The invention provides self-adhesive modified asphalt, a self-adhesive modified asphalt waterproof coiled material and a preparation method of the self-adhesive modified asphalt waterproof coiled material, and belongs to the technical field of asphalt and waterproof coiled materials. The self-adhesive modified asphalt is prepared from the following components in percentage by weight: 3 to 30 weight percent of matrix asphalt, 20 to 30 weight percent of aromatic hydrocarbon oil, 3 to 5 weight percent of thermoplastic elastomer, 5 to 8 weight percent of rubber modifier, 5 to 10 weight percent of tackifying resin, 3 to 8 weight percent of dioctyl sodium sulfosuccinate, 1 to 3 weight percent of polyaluminum ferric chloride, 1 to 3 weight percent of ferroferric oxide and 0.5 to 1 weight percent of limestone powder, and 10 to 30 wt% of an inorganic filler.

The invention discloses a waterproof hot melt adhesive film for a TPO waterproof coiled material, a preparation method of the waterproof hot melt adhesive film and the TPO waterproof coiled material, and relates to the field of adhesive films for waterproof coiled materials. The waterproof hot melt adhesive film for the TPO waterproof coiled material comprises the following components in parts by weight: 100 parts of a base material, 0.2-1.0 part of an antioxidant and 0.2-1.0 part of an ultraviolet absorbent, the base material is prepared from 5-10 wt% of resin with an active unsaturated functional group, 25-50 wt% of rubber, 30-50 wt% of tackifying resin and 10-20 wt% of a softening agent, the resin with the active unsaturated functional group adopts at least one of aliphatic polyurethane acrylate with the functionality of 2-3 and vinyl ester resin, and the rubber comprises at least one of SIS (styrene-isoprene-styrene) rubber and SBS (styrene-butadiene-styrene) rubber. The waterproof hot melt adhesive film has heat aging resistance, ultraviolet aging resistance, flexibility and bonding stability, and the service life of the TPO waterproof coiled material is prolonged.

The invention relates to the technical field of hot-melt pressure-sensitive adhesives, in particular to a hot-melt pressure-sensitive adhesive special for instillation type coating and a preparation method of the hot-melt pressure-sensitive adhesive. The hot-melt pressure-sensitive adhesive is prepared from the following raw materials in parts by mass: 25 to 35 parts of styrene block copolymer, 40 to 50 parts of tackifying resin, 20 to 30 parts of plasticizer and 0.1 to 0.5 part of antioxidant. Wherein the styrene block copolymer is preferably compounded from S-1528, 4411ND and 6241A, the tackifying resin is preferably hydrogenated rosin glyceride with the softening point of 85-90 DEG C, and the plasticizer is medical white oil. The 180-degree peel strength of the prepared product is larger than 5.0 N / 25 mm, the 180-degree viscosity is 2000-6500 cps, the instillation precision can reach + / -8 microns, and the product has excellent adhesive performance and process adaptability and is suitable for instillation type coating scenes.

The invention relates to a polyolefin hot melt adhesive, an insulating hot sticking film and a preparation method and application of the insulating hot sticking film, the polyolefin hot melt adhesive comprises the following components in parts by mass: 100 parts of polyolefin, 1-20 parts of tackifying resin, 1-60 parts of flame-retardant filler and 1-15 parts of cross-linking agent, the polyolefin comprises first polyolefin and second polyolefin in a mass ratio of 1: 9-9: 1, the melting point of the first polyolefin is lower than that of the second polyolefin, and the theoretical melting point obtained by proportionally weighting and averaging the melting points of the first polyolefin and the second polyolefin is not lower than 85 DEG C. The invention also provides an insulating hot sticking film used for the surface of the liquid cooling pipe, which comprises a first coating, an insulating film layer, a second coating and a hot melt adhesive layer prepared from the polyolefin hot melt adhesive which are sequentially stacked, and the insulating hot sticking film shows excellent high bonding strength, damp-heat aging resistance, cold and hot impact resistance and salt spray resistance; and the method has a good application prospect in the aspect of power battery liquid cooling.

The invention relates to a halogen-free flame-retardant insulated cable and a preparation method thereof. The halogen-free flame-retardant insulated cable comprises an inner core, a bonding layer coating the inner core and a protective layer coating the bonding layer, the protective layer comprises polyethylene resin, first mineral powder, glass powder, aluminum silicate fibers, a flame retardant, a ceramic forming aid, a binder and a compatilizer; the bonding layer comprises an ethylene-vinyl acetate copolymer, copolyamide, tackifying resin, bismaleimide resin, a thermoplastic polyurethane elastomer, silicon dioxide, second mineral powder, a conditioning agent and an antioxidant. The protective layer provided by the invention can play a role in flame retardance and high temperature resistance under a certain condition; when the temperature is too high, the protective layer can form a new ceramic body under the condition of high temperature, and the outer layer of the cable is coated with the new ceramic body, so that the heat insulation and flame retardant effects on the inner core and the bonding layer in the cable are achieved; meanwhile, under the high-temperature condition, the bonding layer can be heated and softened to bond the newly formed ceramic body, so that the overall mechanical strength of the cable is improved.

The invention provides a hot melt adhesive and a preparation method thereof, and relates to the technical field of adhesives. According to the hot melt adhesive, amorphous polyolefin (APAO) is used as a main body, ethylene-vinyl acetate copolymer (EVA) is added as a compatilizer, and Fischer-Tropsch wax is used as a viscosity modifier. The preparation method comprises the following steps: firstly synthesizing a dopamine functional polymer, and then carrying out melt blending on the dopamine functional polymer, APAO, EVA, tackifying resin and other components so as to stably introduce a catechol group into a hot melt adhesive system. When the hot melt adhesive is bonded with a metal surface, the catechol group can form a firm coordinate bond with metal ions, so that the adhesive force is greatly improved. The product provided by the invention has high adhesive force, excellent flexibility, good compatibility and construction performance, and is suitable for bonding and sealing metal materials.

This easily dismantlable adhesive sheet (100) comprises an adhesive layer (10) containing a moisture-cured product of a silyl group-containing resin and a terpene phenolic tackifying resin, wherein the silyl group-containing resin has a polyoxyalkylene structure in a main chain, has, in a portion of the main chain or a side chain, both bonds among a urethane bond and a urea bond or one bond among the urethane bond and the urea bond, and has hydrolyzable silyl groups represented by formula (1) at both ends of the main chain. (In formula (1), X1 and X2 are each independently a hydroxy group or an alkoxy group, R is a C1-C20 alkyl group, and * is a bonding position.)

The present invention relates to the technical field of adhesive materials, and specifically relates to a reusable high shear strength electrical debonding tape, and a preparation method. The tape is prepared using acrylate or olefin monomers, a methoxy polyethylene glycol-containing ester, acrylic acid, salts, functional monomers, an organic solvent, and a tackifying resin. In the electrical debonding tape of the present invention, most electrolytes are bonded to a main adhesive molecular chain through chemical bonds, and some electrolytes are dissociated and complexed by the strong ether-oxygen bonds of methoxy polyethylene glycol, rather than simple physical mixing as in the prior art, thus effectively preventing large-scale precipitation of electrolytes under electrified conditions, and enabling reuse.

The invention discloses a paper-plastic composite reactive polyurethane hot melt adhesive for low-temperature coating, and belongs to the technical field of polyurethane adhesives, the paper-plastic composite reactive polyurethane hot melt adhesive for low-temperature coating comprises the following components by weight: 50-70 parts of modified polyester polyol, 30-50 parts of modified polyether polyol, 15-24 parts of diisocyanate, and 5-30 parts of tackifying resin, 0.1-1 part of a catalyst, 5-35 parts of a filler, 0.05-2 parts of a polymerization inhibitor and 0.1-0.5 part of an antioxidant; the modified polyester polyol is modified poly (butylene succinate); the modified polyether polyol is modified polypropylene glycol; the polyurethane hot melt adhesive prepared by modifying 5-norbornene-2-methylamine with a strong polar bond-NH and 3, 7-dimethyl octyl-6-ene-1-alcohol containing an insect-proof and mildew-proof functional component with polyhydric alcohol has relatively low melting temperature and viscosity, has initial viscous force of more than 1N and final viscous force of more than 5N at the same time, and has the characteristics of high temperature resistance, high temperature resistance, high temperature resistance and the like. The method can be well applied to paper-plastic compounding for low-temperature coating.

Provided are: a hot-melt adhesive composition which contains a large amount of plant-derived components, has excellent adhesive properties, in particular, 180 DEG peel adhesion, constant load retention, and shear retention, and also has high re-peelability; and an adhesive tape which has an adhesive layer that contains the adhesive composition. The hot melt adhesive composition contains at least (A) a styrene block copolymer having a farnesene structure, (B) a thermoplastic resin having a kinematic viscosity (40 DEG C) of 150 mm2 / s to 200 thousand mm2 / s or a number average molecular weight (Mn) of 450 to 4000, and (C) a tackifier resin having a softening point of 100 DEG C or more. The tackifying resin (C) is contained in an amount of 30 to 500 parts by mass per 100 parts by mass of the styrene block copolymer (A).

Provided is a double-sided adhesive pressure-sensitive adhesive sheet that exhibits good shear properties when configured with a pressure-sensitive adhesive layer containing a water-dispersible acrylic polymer. A double-sided adhesive pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer is provided. The pressure-sensitive adhesive layer contains a water-dispersible acrylic polymer, a tackifying resin, and a water-soluble crosslinking agent. The pressure-sensitive adhesive layer has a thickness of 50 μm or less.

The invention relates to the technical field of pressure-sensitive adhesives, in particular to an impact-resistant substrate-adhesive-free protective adhesive tape and a preparation method thereof. The adhesive comprises a mixed solvent, a hard monomer, a soft monomer, a functional monomer, an initiator, tackifying resin and a curing agent, and the mass ratio of the hard monomer to the soft monomer is 4: 6; the adhesive tape prepared by the invention has better anti-buffering and energy-absorbing effects, also has certain flexibility, namely compression performance, and cannot cause physical damage to a used part due to over-rigidity of the adhesive tape so as to face large-amplitude impact influence or small-amplitude long-time impact influence in a use scene.

The invention relates to a hot melt adhesive film for bonding TPO and an epoxy plate and a preparation method thereof, the hot melt adhesive film comprises the following raw materials by mass: 10-30 parts of a polyolefin elastomer, 20-40 parts of synthetic rubber, 10-30 parts of modified synthetic rubber, 10-30 parts of tackifying resin, 10-30 parts of softening oil, and 1-5 parts of a cross-linking agent. The modified synthetic rubber is a mixture of maleic anhydride grafted SEBS rubber and epoxy modified SBS rubber; uniformly mixing the polyolefin elastomer, the synthetic rubber, the modified synthetic rubber, the tackifying resin and the softening oil, and granulating through a granulator; and uniformly mixing a cross-linking agent and the obtained particles, putting the mixture into a double-screw extruder, and carrying out melt extrusion to obtain the hot melt adhesive film. The hot melt adhesive film disclosed by the invention has high bonding strength on TPO and epoxy plates, and is simple in preparation process and convenient to use.

The invention discloses a civil aviation radial tire corrugated protective layer rubber and a preparation method thereof, and the rubber adopts a technical method that 1 # smoked sheet rubber is used as a main body material, N330 carbon black is used as a reinforcing system, N46 engine oil is used as a plasticizer, insoluble sulfur, an accelerant DZ and the like are used as vulcanizing agents, and an adhesive RS, C9 resin and tackifying resin HT-M are used as an adhesive system. The rubber material with high adhesion, impact resistance, tear resistance, puncture resistance, low heat generation and good fatigue resistance is prepared through a certain mixing process, and the rubber material serving as the corrugated protective layer rubber material of the civil aviation radial tire has good adhesion performance of a framework material (aramid fiber rope), higher physical performance, lower heat generation performance and good anti-fatigue performance. The damage resistance of foreign object puncture resistance and mechanical damage resistance of the civil aviation radial tire is improved, so that the durability of the tire is improved.

The invention belongs to the field of water treatment, and relates to a high-temperature-resistant adhesive as well as a preparation method and application thereof. The high-temperature-resistant adhesive contains polyisocyanate, polymer polyol, acrylate resin with a specific structure, tackifying resin, modified high-temperature-resistant filler particles, a free radical initiator, a photoinitiator and a polymerization inhibitor. The modified high-temperature-resistant filler particles comprise high-temperature-resistant filler particles and polyester polyol which is coated on the surfaces of the high-temperature-resistant filler particles and has a specific structure. The polyurethane adhesive provided by the invention has very excellent long-term high temperature resistance and wide industrial application prospect.

The application discloses a self-repairing optical cable, which comprises a cable core, an outer sheath and a self-repairing component, wherein the self-repairing component comprises microcapsule A and microcapsule B; the microcapsule A comprises a capsule shell A and a base glue; the base glue comprises epoxy acrylate resin, acrylic modified epoxy resin oligomer, polyurethane prepolymer, filler, accelerator and stabilizer; the microcapsule B comprises a capsule shell B and a hardening agent; the hardening agent comprises epoxy acrylate resin, tackifying resin, plasticizer, filler, polyurethane curing agent, peroxide and stabilizer; the weight ratio of the base glue and the hardening agent is 100:7-100:15; the base glue of the microcapsule A and the hardening agent of the microcapsule B can be glued after mixing at normal temperature, and have the advantages of low hardness and fast curing speed; after a wound appears on the outer sheath of the optical cable, the base glue and the hardening agent are released, and the repair of the outer sheath can be completed without applying additional environmental conditions.

The invention relates to the technical field of novel flame-retardant materials, and discloses a flame-retardant self-adhesive tape and a preparation method thereof.The flame-retardant self-adhesive tape is prepared from, by mass, 20-50 parts of softener, 5-15 parts of plasticizer, 30-50 parts of matrix resin, 2-10 parts of anti-aging agent, 30-80 parts of tackifying resin, 5-10 parts of flame retardant and 10-20 parts of reinforcing filler. The flame-retardant self-adhesive tape prepared by the invention has excellent adhesive force and flame-retardant property, and meanwhile, the adhesive tape has excellent tensile strength and elastic recovery capability, and is suitable for the application requirements of new energy automobile battery modules, box-type shells and the like on high reliability of flame retardance, elastic deformation and adhesive sealing.

To provide an adhesive tape excellent in adhesion to an adherend, and excellent in color tone retention even when exposed to a high temperature and high humidity environment.SOLUTION: An adhesive tape includes an adhesive layer formed with an adhesive composition, wherein the adhesive composition contains a (meth)acrylic copolymer and a tackifier resin, the adhesive layer has a glass transition temperature of -10°C or higher and 20°C or lower, and an amount of change in b* measured in color difference measurement before and after heating is 2.00 or less when the adhesive tape is heated for 120 hours under an environment of 60°C, 90% RH.SELECTED DRAWING: None

An adhesive composition containing a crystalline polyester resin (A) having a crystal melting enthalpy of 5-55 mJ / mg and a tackifier resin (B) having a hydroxyl value of 1 mgKOH / g or more.

The invention provides yellow glue resistant to corrosion of a plasticizer and a preparation method of the yellow glue. The yellow glue is prepared from a polyurethane prepolymer, a chloroprene rubber sheet, methyl methacrylate, benzoyl peroxide, an anti-aging agent, butanone, cyclohexane, dimethyl carbonate and tackifying resin. The polyurethane prepolymer is prepared from the following components in parts by weight: 10 to 14 parts of 1, 4-butanediol adipic acid polyester polyol, 4 to 8 parts of polycaprolactone polyol, 1 to 3 parts of diphenylmethane diisocyanate, 0.05 to 0.15 part of 1, 6-hexanediol, 1 to 2 parts of hydroxyethyl methacrylate, 0.01 to 0.03 part of organic bismuth catalyst and 75 to 80 parts of butanone. The polyurethane prepolymer with specific crystallization performance is synthesized through cooperation of polycaprolactone polyol and polyester polyol, and the yellow glue is endowed with excellent plasticizer corrosion resistance and low-temperature activation capacity. Active groups in the polyurethane prepolymer are subjected to graft copolymerization with the chloroprene rubber adhesive and MMA, and a plasticizer-resistant polyurethane chain segment is introduced into a molecular chain of the chloroprene rubber adhesive, so that a hard segment-soft segment alternating block structure is formed, and corrosion resistance and viscoelasticity are both considered.

The application provides a modified polyurethane primer and a preparation method thereof. The preparation raw material of the modified polyurethane primer comprises 15-25 parts of tackifying resin, 15-25 parts of crosslinking resin, 5-9 parts of pigment carbon black, 0.5-1.0 part of catalyst and 50-60 parts of solvent, the tackifying resin is obtained by the reaction of first polyester diol, diisocyanate and hydroxyl-terminated organic silicon modified rosin-based end-capping agent, the hydroxyl-terminated organic silicon modified rosin-based end-capping agent is obtained by the reaction of epoxy silane and rosin, and the crosslinking resin is obtained by the reaction of triisocyanate, second polyester diol and polyamino silane. The modified polyurethane primer provided by the application has excellent initial adhesion performance under low temperature (about 0 DEG C) conditions, meanwhile, the primer has the characteristics of strong adhesion, excellent storage stability, good durability, wide substrate adaptability and the like, is very suitable for use in cold winter environment, and can obviously shorten the fixture removal time of a main engine factory and the fast driving-off time in the after-sales market.

The invention relates to the technical field of adhesive tapes, and discloses a preparation method of a foamed plastic adhesive tape with low odor, low VOC and high temperature resistance, and the foamed plastic adhesive tape sequentially comprises a transparent PET release film layer, a UV curing acrylic acid pressure-sensitive adhesive layer and a foamed plastic base material from top to bottom; the UV-cured acrylic pressure-sensitive adhesive layer is composed of an acrylic prepolymer, tackifying resin, a photoinitiator and a reactive diluting monomer. According to the preparation method of the foamed plastic adhesive tape with the low odor, the low VOC and the high temperature resistance, the foamed plastic adhesive tape adopts a three-layer structure of a transparent PET release film layer, a UV curing acrylic acid pressure-sensitive adhesive layer and a foamed plastic base material, the UV curing acrylic acid pressure-sensitive adhesive layer takes an acrylic acid prepolymer as a core, and is matched with an acrylic acid monomer diluent, tackifying resin and a photoinitiator; the adhesive layer is cured through the UV curing reaction, meanwhile, the sufficiency of UV curing is guaranteed through the transparent PET release film, residues of unreacted components are reduced, and the VOC emission and the odor level are reduced in combination with the characteristic of low volatile components of the pressure-sensitive adhesive layer.

The invention discloses a biodegradable polylactic acid-based hot melt adhesive, which is prepared from the following raw materials in parts by weight: 50 to 60 parts of polylactic acid, 20 to 30 parts of toughening resin, 10 to 15 parts of tackifying resin, 5 to 10 parts of filler, 0.5 to 1.0 part of antioxidant and 0.5 to 3.0 parts of plasticizer, 0.5-3.0 parts by weight of a coupling agent; and 1-5 parts by weight of a lubricant. The preparation method comprises the following steps: pre-mixing the raw materials according to the raw material ratio, heating, melting, blending, extruding and granulating. The adhesive is applied to packaging adhesive materials in the fields of textiles, foods and medicines. The technical problems that a traditional hot melt adhesive is non-degradable, and an existing polylactic acid-based hot melt adhesive is fragile after being cured, poor in toughness and impact resistance, insufficient in surface viscosity and the like can be solved.

The application relates to the field of polyurethane hot melt adhesives, and particularly discloses a luggage wet-curing reaction type polyurethane hot melt adhesive and a preparation method thereof; the luggage wet-curing reaction type polyurethane hot melt adhesive comprises the following raw materials in parts by weight: 10-20 parts of polyether polyol, 40-60 parts of polyester polyol, 20-50 parts of isocyanate, 0.5-1.5 parts of a catalyst, 10-20 parts of tackifying resin, 3-5 parts of a viscosity stabilizer, 1-3 parts of pentaerythritol diacrylate, 5-10 parts of an additive, and 3-5 parts of a coupling agent; the luggage wet-curing reaction type polyurethane hot melt adhesive prepared by the application is prepared by reacting polyether polyol, polyester polyol and isocyanate to generate a polyurethane prepolymer, so that the hot melt adhesive has good flexibility and durability; the tackifying resin, the pentaerythritol diacrylate and the viscosity stabilizer are used to enable the polyurethane hot melt adhesive to have good initial adhesion and final adhesion strength, and the polyurethane hot melt adhesive can form firm adhesion with a base material more quickly.