858 results about "Stick resin" patented technology

The invention provides a polyester-based composite functional master batch as well as a preparation method and application thereof. The polyester-based composite functional master batch is prepared from the following components in parts by weight: 54 to 100 parts of polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester, 4 to 27 parts of a lubricating agent, 0.5 to 2 parts of a compatilizer, 0.5 to 10 parts of a light diffusion agent, 1 to 8 parts of a dispersing agent and 4 to 10 parts of tackifying resin. The polyester-based composite functional master batch provided by the invention is added in the process of processing and forming a polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester-based light diffusion plate, so that the flowability and the demolding property can be improved, and the prepared product has excellent light transmittance and haze at the same time.

The invention relates to the technical field of pressure-sensitive adhesives, in particular to a high-temperature-resistant high-impedance pressure-sensitive adhesive, a supporting film and a preparation method of the supporting film. A styrene-butadiene-styrene block copolymer (SBS) is used as a main body material, an acrylic copolymer with high carboxyl content is grafted in a solvent in a thermal initiation mode, the high-temperature-resistant and high-impedance pressure-sensitive adhesive is obtained after the high-temperature-resistant and high-impedance pressure-sensitive adhesive is compounded with tackifying resin, a curing agent and an antioxidant, and after optical-grade PET is coated with the high-temperature-resistant and high-impedance pressure-sensitive adhesive, the high-temperature-resistant and high-impedance pressure-sensitive adhesive is obtained. According to the novel supporting film, the polarity of the SBS main body material is low, the excellent electrical insulation performance is provided, the supporting film body has the characteristic of high impedance, and therefore the requirement for high impedance of the supporting film in a copper bar friction experiment is met; in addition, after the acrylic copolymer with high carboxyl content is grafted, a large number of crosslinking points can be provided, and the overall crosslinking degree is greatly increased after thermocuring, so that the high-temperature modulus of the adhesive layer is improved, and the adhesive layer is endowed with the characteristic of high-temperature deformation resistance.

The invention discloses a double-sided composite ultrahigh-viscosity self-adhesive film, a production process and equipment, the self-adhesive film comprises a base material layer and an adhesive layer, and the base material layer comprises a surface layer, a middle layer and a bottom layer; the formula of the surface layer comprises 90% of LDPE (Low-Density Polyethylene) and 10% of Exfin; the Exfin is a three-well chemical'silicon-like polyolefin copolymerization master batch '; the formula of the middle layer comprises 70% of LLDPE, 20% of LDPE and 10% of rim charge; and the formula of the bottom layer comprises 95% of LDPE and 5% of SEBS. And the formula of the adhesive layer comprises the following components: 30 parts of SEBS, 40-60 parts of tackifying resin, 10-20 parts of white oil, 1 part of fumed silica and 0.5 part of antioxidant 1010. According to the production process, casting co-extrusion is combined with a coating system, multi-layer materials with great difference can be stably subjected to interlayer melting convergence to form the ultrahigh-viscosity protective film at a time, and the production efficiency is greatly improved.

The invention relates to the technical field of building waterproof materials, and provides a multi-layer self-protection self-adhesion waterproof roll and a preparation method thereof. The multi-layer self-protection self-adhesion waterproof roll sequentially comprises an isolating membrane, a self-adhesion glue layer, an elastic polyester felt buffer layer, an adhesive layer and a polymeric membrane layer from top to bottom, and the self-adhesion glue layer is prepared from, by weight, 65-75 parts of butyl rubber, 15-20 parts of SBS modifier, 8-12 parts of tackifying resin I, 0.5-1.5 parts of anti-aging agent, 8-15 parts of filler, 1-3 parts of polyethylene and 1-2 parts of flexibilizer. The tackifying resin I comprises rosin resin. According to the technical scheme, the problems that the self-adhesive waterproof roll does not have the self-protection capability, the peel strength is low and the holding power is poor in the prior art are solved.

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 discloses a power-on viscosity-reducing adhesive composition, a viscosity-reducing adhesive tape and a preparation method of the viscosity-reducing adhesive tape, and relates to the technical field of adhesive materials. The preparation method comprises the following steps: adding polyurethane acrylate and polybutylene adipate into a planetary stirring kettle, stirring, sequentially adding a PEDOT / PSS solution, a nano core-shell material, a dynamic cross-linking agent, hydrogenated rosin tackifying resin, TPU particles and butylated hydroxytoluene, stirring to obtain mixed glue, and carrying out vacuum defoaming to obtain the electrified viscosity-reducing glue composition. Coating a release film with the electrified viscosity-reducing adhesive composition, carrying out UV curing, and attaching the release film on the other side to obtain the electrified viscosity-reducing adhesive tape. The prepared electrified viscosity-reducing adhesive composition and viscosity-reducing adhesive tape have the advantages of being excellent in mechanical property, sensitive in response, remarkable in stripping force difference before and after electrification, stable at high temperature, stable in circulation, resistant to pollution and the like, nondestructive disassembly and reutilization of devices are achieved by regulating and controlling the adhesive force through an electric field, and the electrified viscosity-reducing adhesive composition and viscosity-reducing adhesive tape can be applied to an electric response assembly scene.

The present invention provides an electrolyte-resistant hot melt tape, which comprises a PET substrate and a rubber hot melt adhesive layer coated on its surface. The rubber hot melt adhesive layer comprises the following components in parts by weight: 60-160 parts of styrene-butadiene rubber, 10-40 parts of maleic anhydride-modified polyolefin, 1-5 parts of epoxy curing agent, 10-40 parts of hydroxyl-terminated liquid polybutadiene, 1-5 parts of polyisocyanate curing agent, and 20-60 parts of rosin tackifying resin. The rubber hot melt adhesive layer of the electrolyte-resistant hot melt tape is tightly compounded with the polar PET substrate. At the same time, the moderate cross-linking between the components of the rubber hot melt adhesive layer can reduce the infiltration of the electrolyte, so that the electrolyte-resistant hot melt tape has excellent bonding strength before and after being immersed in the electrolyte, does not bubble or delaminate, improves the passing rate of the battery drop test, meets the requirements of the lithium battery industry for tape products, and improves the battery safety factor.

The invention relates to the field of polyurethane hot melt adhesives, and particularly discloses a moisture-curing reaction type polyurethane hot melt adhesive for bags and suitcases and a preparation method of the moisture-curing reaction type polyurethane hot melt adhesive. The moisture-curing reaction type polyurethane hot melt adhesive is prepared from the following raw materials in parts by weight: 10 to 20 parts of polyether polyol, 40 to 60 parts of polyester polyol, 20 to 50 parts of isocyanate, 0.5 to 1.5 parts of a catalyst, 10 to 20 parts of tackifying resin, 3 to 5 parts of a viscosity stabilizer, 1 to 3 parts of pentaerythritol diacrylate, 5 to 10 parts of an auxiliary agent and 3 to 5 parts of a coupling agent, according to the moisture-curing reaction type polyurethane hot melt adhesive for the bags and suitcases, the polyether polyol, the polyester polyol and the isocyanate react to generate a polyurethane prepolymer, so that the hot melt adhesive has relatively good flexibility and durability; and the tackifying resin, the pentaerythritol diacrylate and the viscosity stabilizer are used for promoting the polyurethane hot melt adhesive to have better initial adhesion and final adhesion strength, so that the polyurethane hot melt adhesive can be firmly adhered to a base material more quickly.

The invention discloses a hot-melt double-sided adhesive tape and a preparation process thereof, and belongs to the technical field of double-sided adhesive tapes, the double-sided adhesive tape comprises a hot-melt adhesive layer and a release film, and the hot-melt adhesive layer is obtained by coating a hot-melt adhesive on the release film and then drying; the hot melt adhesive comprises the following raw materials in parts by weight: 80-95 parts of matrix resin, 10 parts of tackifying resin and 10-20 parts of modified magnetic boron nitride, the preparation method comprises the following steps: weighing a hot melt adhesive raw material, adding a solvent, preparing a hot melt adhesive solution with the solid content of 20-40wt%, coating one surface of the release film with the hot melt adhesive solution, and drying under the action of an external uniform magnetic field. The hot melt adhesive layer contains modified magnetic boron nitride, and is directionally arranged on the surface of the release film under the action of a magnetic field in the preparation process of the hot melt adhesive layer, so that the interface thermal resistance is reduced, the heat-conducting property of the coating is remarkably improved, and the heat dissipation performance of the lithium battery is 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 invention provides a thermal slip temporary bonding adhesive and a preparation method and application thereof, and the thermal slip temporary bonding adhesive is prepared from the following raw materials in parts by weight: 50-70 parts of an organic solvent; 15 to 25 parts of basic resin; 10 to 21 parts of tackifying resin; 0.2 to 2 parts of an auxiliary agent; the basic resin comprises any one or a combination of at least two of a cycloolefin copolymer, a cycloolefin polymer and a cyclic block copolymer; the tackifying resin comprises low molecular weight polymer resin and other tackifying resin. The thermal slip temporary bonding adhesive provided by the invention has excellent chemical corrosion resistance and excellent bonding performance, is tightly combined with a wafer and a substrate, can well bond the wafer and the substrate together, and effectively prevents bonding pair defects; the temporary bonding adhesive is excellent in high temperature resistance, and can stably play a role without denaturation in the processing processes of wafer thinning and the like.

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 provides a thermoplastic hot melt adhesive for bonding cover plates of household appliances and a preparation method of the thermoplastic hot melt adhesive. The thermoplastic hot melt adhesive for bonding cover plates of household appliances comprises the following components in parts by mass: 40-70 parts of a high-polarity thermoplastic elastomer; 5 to 10 parts of a copolymer containing amorphous alpha-olefin; 10 to 50 parts of tackifying resin with a high softening point; 0.5 to 2 parts of an antioxidant; 0.5 to 2 parts of a light stabilizer; 0.2 to 0.5 part of a silane coupling agent; wherein the high-polarity thermoplastic elastomer is at least one of TPU, EAA, TPEE, ACM and PA. The bonding performance is improved through the high-polarity thermoplastic elastomer; the copolymer containing the amorphous alpha-olefin promotes wetting and permeation on the surface of an adhered object, so that the adhesion is improved, and the toughness of the high-temperature-resistant hot melt adhesive is improved; physical cross-linking curing is carried out through temperature reduction, the curing process is not directly influenced by humidity, and the sealing requirement of sizing equipment for water vapor is reduced.

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 field of high-performance flame-retardant materials and discloses an ultra-light flame-retardant rubber foam material and a preparation method and application thereof.The ultra-light flame-retardant rubber foam material is prepared from modified carboxy nitrile rubber, a foaming agent, a foaming aid, a cross-linking agent, a flame retardant, inorganic filler, tackifying resin and a softening agent; the modified carboxy nitrile rubber is prepared by chemically grafting hexamethylol melamine. According to the invention, a nitrogen-containing structure is introduced into a polymer molecular chain, so that the material has intrinsic flame retardant property, high foaming ratio and light weight are realized, and the problems of density increase and performance degradation caused by high filling of a flame retardant in the traditional technology are avoided. The flame retardant property of the material reaches UL-94 V0 level, and the material is suitable for the fields of building heat preservation, automotive trim, cable sheaths and household appliance shock pads.

The invention discloses a high-peeling conductive polyacrylate pressure-sensitive adhesive and a preparation method thereof. After a conductive filler, a coupling agent and ethyl acetate are uniformly stirred at high speed, the mixture is placed to obtain a conductive filler solution; after a polyacrylate solution, a cross-linking agent and the conductive filler solution are uniformly mixed, the mixture is placed until the bubbles on the surface disappear, and then the mixture is uniformly coated on a film, the thickness of the dry adhesive is controlled, and then the mixture is dried and matured to obtain a high-peeling conductive polyacrylate pressure-sensitive adhesive. The polyacrylate solution is obtained by a segmented solution polymerization method. After a soft monomer, a solvent, a functional monomer and an initiator are uniformly mixed, the temperature is increased to carry out a polymerization reaction, and then a solvent is added to continue the reaction, and then a hard monomer, a solvent and an initiator are added to continue the reaction until the reaction is complete, and a tackifying resin is added to obtain a polyacrylate solution. The high-peeling conductive polyacrylate pressure-sensitive adhesive obtained by the method has excellent conductive properties and high peel strength, and no adhesive residue is left when peeling.

The invention belongs to the field of polyurethane adhesives, and relates to a bio-based reactive one-component polyurethane hot melt adhesive with low free isocyanate content. The bio-based reactive one-component polyurethane hot melt adhesive comprises the following components: bio-based polyol, low-free polyether polyol-based polyurethane prepolymer, low-free polyester polyol-based polyurethane prepolymer, tackifying resin, and catalyst. The free isocyanate content of the low-free polyether polyol-based polyurethane prepolymer is less than 0.1%, and the free isocyanate content of the low-free polyester polyol-based polyurethane prepolymer is less than 0.1%. The bio-based reactive one-component polyurethane hot melt adhesive with low free isocyanate content of the invention has the characteristics of low melt viscosity, long open time, high bonding strength, and low free isocyanate content (<0.1wt%).

The invention discloses a waterproof moisture-permeable hot melt adhesive as well as a preparation method and a gluing process thereof, and belongs to the field of bonding materials. The waterproof moisture-permeable hot melt adhesive is prepared from the following raw materials in parts by weight: 100 parts of polyurethane resin; 5 to 10 parts of tackifying resin; 10 to 15 parts of filler; the polyurethane resin is prepared from the following raw materials in parts by weight: 30-40 parts of polyethylene glycol; 15 to 20 parts of polytetramethylene ether glycol; 15 to 30 parts of polycarbonate diol; 30 to 35 parts of diisocyanate; and 5-10 parts of a chain extender. The hot melt adhesive has the advantages that the overall curing speed and water resistance of the hot melt adhesive are improved.

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 present application relates to the field of adhesives, and particularly discloses a polyurethane hot melt adhesive and a preparation method therefor, and a nursing pad. The polyurethane hot melt adhesive comprises the following raw materials in parts by weight: 20-40 parts of a polyester polyol, 30-60 parts of a polyether polyol, 0.05-0.2 parts of a stabilizer, 10-25 parts of a tackifying resin, 0.01-0.1 part of a catalyst, and 10-30 parts of isocyanate. The preparation method for the polyurethane hot melt adhesive comprises the following steps: preparation of the polyester polyol; mixing: mixing the polyester polyol, the polyether polyol, the stabilizer, and the tackifying resin, heating and stirring the mixture, and keeping the mixture under a vacuum condition for 50-70 minutes; preparation of a product: cooling the mixture to break the vacuum condition, then adding the isocyanate and the catalyst, and further carrying out a reaction under a vacuum condition. The obtained polyurethane hot melt adhesive has excellent thermal stability and tensile strength. The polyurethane hot melt adhesive is used between a water absorption cotton layer and a waterproof layer of the nursing pad, so that the nursing pad has excellent peel strength and hot water washing resistance.

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 an adhesive tape losing adhesion after being electrified as well as a preparation method and application thereof, and relates to an adhesive material. The preparation method comprises the following steps: preparing an octahedral ligand modified CNC compound, weighing acrylate copolymer matrix resin, a dipole response acrylate monomer, a solvent and a dispersant according to a ratio, mixing, adding a photoinitiator, carrying out UV pre-polymerization under nitrogen protection, adding an ion transmission medium, tackifying resin and an anti-precipitation agent, heating, carrying out high-speed shearing emulsification, and cooling to obtain the dipole response modified CNC composite. Adding an octahedral ligand modified CNC (Computer Numerical Control) compound, and reacting to obtain an adhesive; and coating the PET release film subjected to plasma treatment with the adhesive, performing hot air drying, adhering the PET release film subjected to plasma treatment to the other surface of the adhesive layer, and performing secondary UV curing to obtain the adhesive tape without adhesion after electrification. The adhesive tape without adhesion after electrification has the advantages of strong adhesive force, sensitive response, obvious difference of stripping force before and after electrification, no stripping residue, stable circulation, less electrification loss and the like.

The invention discloses a composite modified hot melt adhesive film and a preparation method thereof, and belongs to the technical field of hot melt adhesive films. The composite modified hot melt adhesive film is prepared from the following raw materials in parts by weight: 70 to 80 parts of ethylene-vinyl acetate copolymer, 10 to 20 parts of nitrile rubber, 10 to 20 parts of inorganic filler, 10 to 20 parts of flexibilizer, 5 to 15 parts of tackifying resin, 3 to 10 parts of compatilizer, 1 to 3 parts of coupling agent, 0.5 to 1.5 parts of assistant and 0.01 to 0.1 part of initiator. The auxiliary agent containing the triazine structure and the hindered phenol structure has good compatibility with other raw materials, and the auxiliary agent is grafted on the surface of the inorganic filler through the coupling agent under the action of the initiator, so that the stability of the auxiliary agent and the dispersion of the inorganic filler are promoted, and each raw material can exert the own effect to the greatest extent; the hot melt adhesive film is endowed with excellent and stable thermo-oxidative aging resistance, ultraviolet aging resistance, adhesive property, wear resistance and the like.

The invention relates to a high-temperature-resistant hot melt adhesive special for bonding PP and PE and application of the high-temperature-resistant hot melt adhesive. According to the hot melt adhesive, through the double-end modification design of the functionalized olefin block copolymer (OBC), polar groups are introduced according to the characteristics of PE and PP chain segments, and the interface bonding strength and high-temperature resistance of PP and PE are remarkably improved through the synergistic effect of auxiliaries such as the chain extender and the tackifying resin. The hot melt adhesive middle layer can be compounded with PP-R and PE-RT pipes through a three-layer co-extrusion process to form a stable multi-layer structure, and the PP-R and PE-RT composite pipe is suitable for a pipeline system in a high-temperature and high-pressure environment.

The present invention belongs to the technical field of protective films, and relates to an explosion-proof film and a preparation method thereof, comprising a PET base film, a release film, and an adhesive layer for bonding the PET base film and the release film, wherein the adhesive layer is solidified by an adhesive, and the adhesive comprises the following substances in parts by weight: acrylate copolymer: 50 parts to 70 parts, solvent: 20 parts to 45 parts, tackifying resin: 2.5 parts to 4 parts, coupling agent: 0.5 parts to 2 parts, curing agent: 1.5 parts to 3 parts, catalyst: 0.5 parts to 1 part, and the molecular weight of the acrylate copolymer is between 1 million and 2 million. It can effectively solve the problem of low peeling of the explosion-proof film, especially the obvious reduction of peeling force and degumming in long-term use under high temperature and high humidity environment.

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.

To provide a hot-melt adhesive composition which exhibits a low reactivation temperature, and superior thermal resistance and workability.SOLUTION: The hot-melt adhesive composition comprises: polyolefin component A with a melting point of 120 to 150°C and a melting enthalpy of 60 to 100 J / g; polyolefin component B having a melting point of 80 to 120°C and a melting enthalpy of less than 60 J / g, polymerized by a single-site catalyst; and tackifying resin component C having a softening point in the range of 130 to 150°C.SELECTED DRAWING: None

The invention relates to the technical field of pressure-sensitive adhesive tapes, in particular to a reusable high-temperature viscosity-reducing adhesive tape which comprises a pressure-sensitive adhesive body, the pressure-sensitive adhesive body comprises polyisoprene and tackifying resin, and the tackifying resin can be two or three of petroleum resin, terpene resin and phenolic resin; when the weight part of the polyisoprene is 100 parts, the weight part of the petroleum resin is 0-30 parts; the weight part of the terpene resin is 20 to 60 parts; the weight part of the phenolic resin is 3 to 10 parts. Compared with the prior art, the reusable high-temperature viscosity-reducing adhesive tape has high viscosity at normal temperature, the viscosity of the adhesive tape is greatly reduced during high-temperature processing, the adhesive tape can be easily peeled off when the adhesive tape is still hot, and when the adhesive tape recovers to the room temperature, the viscosity recovers to the level before use, so that the reusable high-temperature viscosity-reducing adhesive tape can be reused for multiple times.

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 hot-melt pressure sensitive adhesive composition comprising at least one styrenic block copolymer, at least one tackifying resin, at least one mineral oil and from 4 to 15% by weight of at least one wax selected from the group consisting of paraffin waxes, Fischer-Tropsch waxes, ethylene-vinyl acetate waxes and any mixture thereof, based on the total weight of the hot-melt pressure sensitive adhesive composition. The invention also relates to an article comprising a surface coated with such a hot-melt pressure sensitive adhesive composition, to a use of such a hot-melt pressure sensitive adhesive composition and to a process for preparing such a hot-melt pressure sensitive adhesive composition.