64results about "Wax adhesives" patented technology

The invention relates to the technical field of waterproof coiled materials, and particularly discloses a self-adhesive modified rubber asphalt waterproof coiled material and a preparation method thereof. The self-adhesive modified rubber asphalt waterproof coiled material comprises a surface isolating membrane, an asphalt layer, a reinforcing layer and a bottom surface isolating membrane from bottom to top, and the asphalt layer comprises the following raw materials: regenerated rubber modified asphalt, SEBS, terpene resin, polyisobutene amine, an antioxidant and an ultraviolet light absorber; the surface isolating membrane and the bottom isolating membrane are selected from sand surface isolating membranes, and the thickness of the surface isolating membrane and the bottom isolating membrane is 0.8-1.2 mm; and the reinforcing layer is a long-fiber polyester base reinforcing layer. The tensile strength of the self-adhesive modified rubber asphalt waterproof coiled material is 4.5-5.6 N / mm < 2 >, the self-adhesive modified rubber asphalt waterproof coiled material does not flow or drip at 70 DEG C and does not crack at-30 DEG C, the self-adhesive modified rubber asphalt waterproof coiled material has high use performance, the joint peel strength of the waterproof coiled material is 3.2-4.2 N / mm, the holding power is greater than 15 min, and the self-adhesive property of the waterproof coiled material is improved.

The invention provides a capsule binder, a binder composition, a diaphragm and a battery in order to solve the problems of easy powder falling and poor thermal safety of a diaphragm binder in the prior art. The capsule binder comprises a core body and a polymer layer which is arranged on the outer surface of the core body and at least partially covers the core body, and the core body comprises a phase change material; the polymer layer comprises a polymer, and the polymer comprises an acrylate structural unit, a hydrophilic functional structural unit and a crosslinking structural unit; the mass ratio of the phase change material to the acrylate structural unit to the hydrophilic functional structural unit to the crosslinking structural unit is (40-60): (20-40): (1-5): (5-20). According to the capsule binder provided by the invention, the phase-change material is introduced into the core body, and when the internal temperature of the battery rapidly rises to the phase-change temperature of the core body, the phase-change material absorbs heat to slow down the temperature rise, so that the possibility of a thermal runaway accident is reduced, and the safety performance of the secondary battery 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.

The application discloses an agricultural irrigation water hose and a preparation method thereof. The agricultural irrigation water hose comprises, from top to bottom, a braided layer, a hot melt adhesive layer and an inner film layer, wherein the braided layer is made of polypropylene yarn. The irrigation water hose has the following advantages: 1) the adhesion strength between the inner film and the outer polypropylene yarn braided layer is greater than or equal to 15 n at a width of 50 mm after the irrigation water hose is normally rolled and placed for 24 hours; and 2) after being placed in an outdoor high-temperature environment of 75 DEG C for 30 days, the inner film and the outer polypropylene yarn braided layer of the water hose do not produce delamination, and the inner film does not become hard at a low temperature of -25 DEG C.

The invention discloses a low-polarity hot-melt pressure-sensitive adhesive, which is prepared from the following raw materials in percentage by weight: 50 to 70 percent of APAO polyolefin, 10 to 25 percent of alkane wax, 20 to 30 percent of petroleum resin and 0.1 to 1 percent of antioxidant. The APAO polyolefin with different melt viscosities and different molecular weights at 90 DEG C is adopted, so that the cohesion, flexibility and thermal stability of the colloid can be remarkably improved, and the problem of high-temperature flowing or low-temperature embrittlement generated by the APAO polyolefin with single performance is avoided. According to the invention, the balance between the low viscosity of 3000 + / -300cps at 150 DEG C and the high softening point of more than or equal to 120 DEG C is realized. And moreover, the quick opening time and the wide temperature range adaptability are considered, and the film covering performance of plastic films such as BOPP, PET and PE is improved.

The invention relates to a two-component thermally conductive composition comprising: a composition (A) comprising: a silylated polymer, and a rheology agent (r1) selected from amide waxes and / or a rheology agent (r2) comprising: from 1% to 40% by weight of a bis-urea (a) obtained by reacting a primary aliphatic amine with a diisocyanate of molar mass less than 500 g / mol, relative to the total weight of the rheology agent (r2), and from 60% to 99% by weight of a specific plasticizer (b), relative to the total weight of the rheology agent (r2), said rheology agent (r2) being in the form of a suspension of solid particles of the bis-urea (a) in a continuous phase of plasticizer (b), and a composition (B) comprising: at least 1% by weight of a filler (C) relative to the total weight of the composition (B), the filler (C) contributing at least 0.0025% by weight of moisture relative to the total weight of the composition (B),Composition (A) and / or composition (B) further comprising at least one thermally conductive filler. The invention also relates to the use of a filler (C) having a specific moisture content for crosslinking, without the addition of free water, a two-component composition, the two-component composition comprising a composition (A) comprising a silylated polymer, and a composition (B) comprising said filler (C). Figure for the abstract: none.

To provide: a lump body which is superior in bag breaking properties to the prior art even if a low-viscosity hot melt adhesive is contained in a meltable bag, and which is excellent in solubility (compatibility) with the contents, and in stringiness at the time of coating; and a container to which a label is bonded using the same.SOLUTION: A lump body contains a hot melt adhesive in a meltable bag. The meltable bag is formed of a mixed resin film that contains a low-density polyethylene resin (A) which has a density of 923-930 kg / m3 and an ethylene-vinyl acetate copolymer resin (B). The hot melt adhesive contains a wax (C), and has a viscosity of 500-2,500 mPa s at 140°C.SELECTED DRAWING: None

A release film comprising a resin layer (A) on one surface of a base material film, and comprising a resin layer (B) on the other surface of the base material film, the resin layer (A) containing a silicone-resin-based release agent and having a thickness of 0.2-2.0 μm, and the resin layer (B) containing a non-silicone-resin-based release agent.　The present invention makes it possible to provide a release film and a release laminate in which the peel characteristics of release layers does not readily change due to blocking even while ultra-easy peeling is realized with respect to various adhesive agents.

The application belongs to the technical field of adhesives and sealants, and specifically provides a sealing wax as well as a preparation method and application thereof. The sealing wax comprises the following components in parts by mass: microcrystalline wax 40-60 parts, polyethylene wax 1-5 parts, ethylene-vinyl acetate copolymer 3-8 parts, low-molecular-weight polyisobutylene 2-5 parts, medium-molecular-weight polyisobutylene 2-5 parts, tackifying resin 15-20 parts, and flame retardant 3-5 parts. The number-average molecular weight of the low-molecular-weight polyisobutylene is less than 5000, and the viscosity-average molecular weight of the medium-molecular-weight polyisobutylene is 10000-40000. Through the design and mutual compounding of the components, the sealing wax has a high melting point, a low water absorption rate, a high volume resistivity, good high-temperature and low-temperature resistance, and strong waterproof and moisture-proof performance, high mechanical strength and toughness, high insulation, high transparency, and strong sealing effect, and has good flow leveling property and good flame retardant performance, and can meet the strict use requirements of high-end electronic equipment.

The present invention discloses a neutral silicone sealant and a preparation method thereof, and relates to the technical field of silicone sealant production, the neutral silicone sealant comprises the following raw materials by weight: 450 parts of hydroxyl-terminated polydimethylsiloxane, 400 parts of No.3 white oil, 110 parts of fumed silica, 60 parts of a ketoxime type cross-linking agent, 15 parts of an adhesion promoter, and 1.5 parts of a catalyst, -CH2CH2NHCH2CH2NH-,-CH2CH2NH2NH R1 is CH3 <-> or CH2CH3 <->; r2 is H or CH < 3->; and R2 is CH3 <-> or CH2CH3 <->. The curing problem of the ketoxime type neutral silicone sealant taking fumed silica as a main filler under low-temperature and low-humidity conditions is effectively solved, and the prepared silicone sealant has excellent adhesion to most of common substrates.

A coating composition for flexible substrates comprising a binder resin, a lubricating component in the form of lubricating filler particles of carnauba wax, hydrocarbon wax, and / or polyethylene, and a solvent, wherein the coating composition is abrasion resistant and substantially free of fluoropolymers.

The invention provides a wafer protection glue preparation process and a wafer protection glue processing method. The wafer protection glue preparation process comprises the following steps: sequentially adding Piccolic A75, Clariant A4 and Clariant A5 according to a ratio of 1: 8: 2; the mixed raw materials are put into a high-temperature vacuum box to be heated and mixed, uniform and transparent protective glue is obtained, the three components in a specific proportion are adopted, the protective glue has good compatibility in a molten state, no organic solvent needs to be added, uniform, transparent and bubble-free homogeneous-phase melt can be directly formed after the components are mixed through a specific technology, and the protective glue is good in mechanical property, good in mechanical property and good in mechanical property. And the cured adhesive layer is compact, has excellent adhesive force on wafers and mica sheets, and is stable in the subsequent acid / alkali corrosion environment, so that the use of organic solvents is avoided, the emission of VOC (volatile organic compounds) is eliminated, the working environment is improved, the gas generated in the raw material neutralizing and mixing process is effectively eliminated under the vacuum condition, and the generation of bubbles in the colloid is avoided.

A thermo-fusible adhesive composition comprising at least one ethylene and butyl acrylate copolymer cohesion agent. The thermos-fusible adhesive composition may further comprise at least one adhesive hydrocarbon resin, preferably hydrogenated, and at least one ethylene and acrylate copolymer. The present disclosure also relates to the use of the corresponding thermo-fusible adhesive compositions in the production of manufactured articles.

The application discloses a TPE composition for a protective film adhesive layer and a preparation method thereof, and relates to the technical field of polymer materials. The application comprises the following steps: mixing and internally mixing styrene-ethylene-butylene-styrene block copolymer and liquid paraffin, then adding modified elastomer, synergistic powder, modified nanoparticles, piperazine pyrophosphate, aluminum hypophosphite, L-arginine and a compatilizer and mixing, adding a crosslinking aid and mixing after cooling, pouring into a mold after discharging and pre-pressing under a nitrogen atmosphere, then gradient crosslinking, cooling, demolding and obtaining the TPE composition for the protective film adhesive layer. The addition of specific proportions of piperazine pyrophosphate, aluminum hypophosphite and L-arginine effectively improves the flame retardant capacity and ultraviolet resistance of the TPE composition; the introduction of the synergistic powder and other components further improves the interfacial adhesion, flame retardant capacity and ultraviolet resistance. Therefore, the application has a wider application prospect.

The invention discloses an adhesive for printing forming. The adhesive is prepared from the following components: core-shell structure microspheres, a nanocellulose reinforcement phase, a photothermal conversion agent and a rheology modifier, the inner core of the core-shell structure microsphere is paraffin, and the outer shell of the core-shell structure microsphere is acrylate; the mass fraction of the nano cellulose reinforced phase is 0.5 to 1.2 wt%; the mass fraction of the photothermal conversion agent is 3-5 wt%; the mass fraction of the rheology modifier is 0.5 to 1.0 weight percent. According to the adhesive disclosed by the invention, the acrylate is taken as a shell, the paraffin is taken as a core to form a unique core-shell structure microsphere, and the structure is mutually matched with a nanocellulose reinforced phase, so that cold-state printing and thermal activation bonding can be realized, and the problem that the precision and the strength of a traditional adhesive cannot be obtained at the same time is solved; the adhesive can be applied to the field of book binding, and the binding thickness can be reduced; the adhesive can also be applied to the field of packaging, and the adhesive can be activated again in a heating mode and the like, so that reversible sealing is achieved.

To overcome the problems of easy powder shedding and poor thermal safety of existing separator adhesives, this invention provides a capsule adhesive, an adhesive composition, a separator, and a battery. The capsule adhesive includes a core and a polymer layer disposed on the outer surface of the core and at least partially covering the core. The core includes a phase change material; the polymer layer includes a polymer comprising acrylate structural units, hydrophilic functional structural units, and crosslinked structural units; the mass ratio of the phase change material, acrylate structural units, hydrophilic functional structural units, and crosslinked structural units is (40~60):(20~40):(1~5):(5~20). The capsule adhesive provided by this invention introduces a phase change material into the core. When the internal temperature of the battery rapidly rises to the phase change temperature of the core, the phase change material absorbs heat, slowing down the temperature rise, reducing the possibility of thermal runaway accidents, and improving the safety performance of the secondary battery.

The invention discloses a rapid positioning and low-temperature repair PUR adhesive for the mobile phone electronics industry and a preparation method thereof, and belongs to the technical field of adhesives. The adhesive is prepared from the following components in parts by weight: 0.1 to 5 parts of high-melting-point wax, 5 to 20 parts of polyacrylate with high glass transition temperature, 10 to 65 parts of quickly crystallized polyurethane polyol, 20 to 55 parts of polyether polyol, 3 to 10 parts of TPU (Thermoplastic Polyurethane) with high crystallization speed and 5 to 30 parts of diphenylmethane diisocyanate. The high-melting-point wax, the polyether polyol, the polyacrylate with the high glass transition temperature, the polyester polyol with the high glass transition temperature, the fast-crystallization polyurethane polyol and the TPU with the fast crystallization speed are applied to the polyurethane adhesive according to a specific proportion, so that the comprehensive performance of the PUR polyurethane adhesive is excellent; the quick positioning and bonding and low-temperature repairing performances are realized.

The invention provides a low-temperature-resistant hot melt adhesive applied to a cigarette case as well as a preparation method and application of the low-temperature-resistant hot melt adhesive. The low-temperature-resistant hot melt adhesive comprises the following raw materials: polyolefin resin, wax, tackifying resin, polyisobutene, butyl rubber, an antioxidant and saturated hydrocarbon oil. The hot melt adhesive disclosed by the invention has the advantages that the hot melt adhesive not only meets the bonding requirements of conventional cigarette packaging materials, but also shows good adaptability and bonding strength on cigarette case materials subjected to special treatment such as surface gloss oil coating, so that the application range of the hot melt adhesive is remarkably expanded, and the packaging quality and reliability are improved. The technical bottleneck that cigarette cases in cold regions are easy to crack is broken through, and the problem that the cigarette cases in the cold regions are easy to crack in a low-temperature environment is successfully solved. The technology not only improves the flexibility and impact resistance of the hot melt adhesive at low temperature, but also ensures the integrity and sealing property of the cigarette case under extreme climate conditions, thereby effectively prolonging the shelf life of cigarette products and improving the use experience of consumers.

The invention relates to the technical field of heat-conducting materials, in particular to a phase-change material heat-conducting adhesive, a heat-conducting insulating sheet as well as a preparation method and application thereof, and the phase-change material heat-conducting adhesive comprises the following components in parts by weight: 11-14 parts of polydimethylsiloxane, 2-3 parts of paraffin, 58-65 parts of hexagonal boron nitride, 8-12 parts of aluminum oxide, 1.5-3 parts of nano silicon dioxide, 6-8 parts of paraffin oil, 0.5-1.5 parts of a cross-linking agent and 1-2 parts of a silane coupling agent. According to the phase-change material heat-conducting adhesive disclosed by the invention, by optimizing the components and proportion of the phase-change material heat-conducting adhesive, the heat conductivity is remarkably improved, the degree of supercooling is reduced, and the heat dissipation efficiency is effectively enhanced.

This invention discloses a hot melt adhesive for high-temperature protective clothing and its preparation method, comprising the following raw materials: Fischer-Tropsch wax, styrene-isoprene-styrene block copolymer with 0% diblock content, styrene-isoprene-styrene block copolymer with 20-30% diblock content, styrene-isoprene-styrene block copolymer with 40-50% diblock content, rosin resin, petroleum resin, ethylene-vinyl acetate copolymer, and antioxidant. This hot melt adhesive requires no toxic solvents, possesses both heat resistance and water resistance, and is suitable for high-temperature protective clothing. The preparation method of this hot melt adhesive involves heating and mixing polymer materials without adding any solvents or toxic substances during the preparation process, reducing the risk of toluene poisoning, completely solving the problems of solvent evaporation and recovery, and, more importantly, eliminating safety hazards in the storage and use of organic chemicals, achieving environmentally friendly, safe, and efficient production.

The invention belongs to the technical field of adhesives, and particularly relates to a water-based adhesive for a protective film as well as a preparation method and application of the water-based adhesive, and the water-based adhesive is prepared from the following raw materials in percentage by mass: 8-10% of maltose, 1-2% of gellan gum, 1-2% of microcrystalline wax, 0.2-0.5% of a thickening agent, 0.5-1% of a dispersing agent, 0.1-0.2% of a defoaming agent, 0.2-0.5% of a wetting agent, 0.1-0.3% of an emulsifying agent and 83.5-88.9% of water. The invention aims to provide the water-based adhesive for the protective film as well as the preparation method and the application of the water-based adhesive, which are beneficial to ensuring the adhesion firmness and the easy stripping property of the adhesive-coated protective film on the premise of keeping the soft light effect of a soft light brick.

The invention discloses a TPE composition for a protective film bonding layer and a preparation method of the TPE composition, and relates to the technical field of high polymer materials. The preparation method comprises the following steps: mixing and banburying a styrene-ethylene-butylene-styrene block copolymer and liquid paraffin, then adding a modified elastomer, synergistic powder, modified nanoparticles, piperazine pyrophosphate, aluminum hypophosphite, L-arginine and a compatilizer, mixing, cooling, then adding a cross-linking auxiliary agent, and mixing, and discharging, pouring into a mold, pre-pressing in a nitrogen atmosphere, carrying out gradient crosslinking, cooling, and demolding to obtain the TPE composition for the protective film adhesive layer. Piperazine pyrophosphate, aluminum hypophosphite and L-arginine are added according to a specific proportion, so that the flame retardance and ultraviolet resistance of the TPE composition are effectively improved; due to the introduction of the synergistic powder and other components, the interface bonding force, flame retardance and ultraviolet resistance are further improved. Therefore, the method has a wider application prospect.

The present disclosure provides a coating composition for a flexible substrate comprising a binder resin, a lubricating component in the form of lubricating filler particles of carnauba wax, hydrocarbon wax, and / or polyethylene, and a solvent. The coating composition is wear resistant and substantially free of fluoropolymers.

To provide: a lump body which is superior in bag breaking properties to the prior art even if a low-viscosity hot melt adhesive is contained in a meltable bag, and which is excellent in solubility (compatibility) with the contents, and in stringiness at the time of coating; and a container to which a label is bonded using the same.SOLUTION: A lump body contains a hot melt adhesive in a meltable bag. The meltable bag is formed of a mixed resin film that contains a low-density polyethylene resin (A) which has a density of 923-930 kg / m3 and an ethylene-vinyl acetate copolymer resin (B). The hot melt adhesive contains a wax (C), and has a viscosity of 500-2,500 mPa s at 140°C.SELECTED DRAWING: None

The invention provides a graphene heat-conducting gasket with a protective film covered edge, which comprises a graphene heat-conducting gasket body and a protective film, and is characterized in that the periphery of the side surface of the graphene heat-conducting gasket body is covered by the protective film; or the edge of the upper surface of the graphene heat-conducting gasket body, the edge of the lower surface of the graphene heat-conducting gasket body and the side surface of the graphene heat-conducting gasket body are wrapped in the protective film; or the edge of one surface of the graphene heat-conducting gasket body and the side surface of the graphene heat-conducting gasket body are coated in the protective film. The graphene heat-conducting gasket body is coated with the integrated protective film, the front and back edges and the side faces of the graphene heat-conducting gasket body can be fully covered, the coated areas on the upper and lower surfaces intervene in the interface of a heat source and a radiator in the application process, the graphene heat-conducting gasket body is completely sealed, and the service life of the graphene heat-conducting gasket is prolonged. And the graphene heat-conducting gasket body is prevented from falling off.

To provide a hot-melt adhesive capable of exhibiting a strong adhesive force in a shorter time.SOLUTION: A hot-melt adhesive includes a thermoplastic resin and a first crystalline material. In a differential scan calorimetry of the hot-melt adhesive, Tm-Tc is 20.0°C to 70.0°C inclusive when a peak temperature is Tc (°C) with regard to the highest peak from among exothermic peaks observed in a temperature lowering process at 10°C / min after a temperature rise to 150°C, and a peak temperature is Tm (°C) with regard to the highest peak from among endothermic peaks observed in a temperature rising process at 10°C / min after the temperature lowering process. Weight average molecular weight Mw is 100000 to 400000 with regard to a tetrahydrofuran soluble part of the hot-melt adhesive measured with a gel permeation chromatography.SELECTED DRAWING: None

The invention relates to the technical field of environment-friendly low-odor low-VOC (volatile organic compound) floor leather back adhesives, in particular to an environment-friendly low-odor low-VOC floor leather back adhesive and a preparation method thereof.On one hand, the environment-friendly low-odor low-VOC floor leather back adhesive at least comprises the following components in parts by weight: 20-40 parts of styrene block copolymer, 5-15 parts of plasticizer and 30-50 parts of hydrogenated resin; 3 to 15 parts of polyisobutene and 0.01 to 1 part of antioxidant; the styrene block copolymer comprises a styrene block copolymer 1, a styrene block copolymer 2 and a styrene block copolymer 3. By optimizing the matching of the styrene block copolymer and other raw materials in the system, the provided product has excellent bonding strength and anti-aging performance, has high environmental protection property, and meets the actual application requirements of floor leather.

The invention relates to the technical field of heat-sealing adhesives, in particular to a heat-sealing adhesive for medical sterilization packaging as well as a preparation method and application of the heat-sealing adhesive. Uniformly dispersing the styrene-acrylic emulsion, the natural polysaccharide glue solution, the wax emulsion and the filler to form a uniform mixed solution; mixing an emulsifier, water and the mixed solution, and uniformly stirring; and adding the defoaming agent, stirring until foam disappears, filtering, and discharging. The heat-sealing adhesive for medical sterilization packaging, disclosed by the invention, is prepared from the styrene-acrylic emulsion, the natural polysaccharide glue solution, the emulsifier, the wax emulsion, the filler and the like, and the prepared heat-sealing adhesive is stable in performance, resistant to storage, easy to construct and convenient to use due to the single component; and after being glued, the film and Dupont Tyvek paper (TEVEK), PET, PE, PVC and PP films are subjected to heat sealing to form a bag, and the film has the advantages of wide heat sealing temperature range and strong air permeability, and is suitable for ethylene oxide and gamma ray sterilization and the like.

The invention discloses an adhesive, a soft magnetic composite material as well as a preparation method and preparation equipment of the soft magnetic composite material, and the adhesive comprises the following components in percentage by mass: 10-40% of a bonding component, 20-40% of a strength enhancing component, 20-40% of a lubricating component and 5-15% of a thixotropic component. According to the adhesive disclosed by the invention, through regulation and control of the components such as the bonding component, the strength enhancing component, the lubricating component and the thixotropic component, the bonding and strength enhancing effects of the adhesive are favorably improved, so that the adhesive has lubricating and antifriction functions, the adhesive can be directly pressed into a soft magnetic composite material after being coated with the magnetic powder, a lubricant does not need to be added, the cost can be reduced, and the application range is wide. Meanwhile, the component uniformity of the soft magnetic composite material can be improved, the strength of the soft magnetic composite material is improved, and the problems of pressing layering, edge falling or corner falling and the like are avoided.

A coating composition for flexible substrates, including a binder resin, a lubricating component in the form of lubricating filler particles of a carnauba wax, hydrocarbon wax and / or polyethylene, and a solvent. The coating composition is wear resistant and is substantially free of fluoropolymers.