118results about "Rubber derivative adhesives" patented technology

The invention discloses epoxy resin containing dynamic covalent bonds, a synthesis method of the epoxy resin and a preparation method of a self-repairing epoxy structure adhesive, and belongs to the field of self-repairing structure adhesives. The specific scheme is as follows: the self-repairing epoxy structure adhesive comprises epoxy resin containing dynamic disulfide bonds, commercial epoxy resin, a carboxylic acid curing agent containing dynamic disulfide bonds, a functionalized rubber toughening agent, functionalized graphene oxide nanosheets, a thermoplastic resin toughening agent and a transesterification agent. The self-repairing epoxy structure adhesive is prepared by physical mixing of hot melting blending, grinding dispersion and vacuum stirring. The preparation method comprises the following steps: firstly, synthesizing three epoxy resins containing dynamic disulfide bonds and a carboxylic acid compound containing dynamic disulfide bonds; the self-repairing epoxy structure adhesive with high bonding strength and high repairing efficiency is prepared by controlling the structure and proportion of the dynamic disulfide bond-containing epoxy resin, the structure and proportion of the dynamic disulfide bond-containing carboxylic acid curing agent and the particle size and proportion of the thermoplastic polyester.

The invention belongs to the technical field of all-solid-state lithium batteries, and particularly relates to a binder for a battery as well as a preparation method and application of the binder. The binder for the battery comprises a polymer containing hydroxyl, amino or sulfydryl and a polymer containing oxirane group or isocyanate group, at least one of the polymer containing hydroxyl, amino or sulfydryl and the polymer containing oxirane group or isocyanate group is a liquid rubber polymer. The binder for the battery has the beneficial effects that the binder for the battery has good compatibility with sulfide, and the structure of the sulfide cannot be damaged; in addition, the binder for the battery has relatively high mechanical strength, relatively high elongation at break and relatively high tensile strength, can ensure that an electrode and a sulfide electrolyte membrane prepared from the binder have excellent mechanical properties, and is suitable for preparing a solid-state battery by a roll-to-roll process; the binding agent for the battery has a wide electrochemical window, and has good compatibility with a high-voltage positive electrode and a lithium alloy negative electrode.

The application relates to a self-repairing binder based on a metal ion-polymer coordination bond and a preparation method thereof, and belongs to the technical field of lithium ion batteries. The structural general formula of the binder is: the binder is autonomously broken / forming through a metal-polymer reversible coordination bond in the electrode volume expansion / contraction process, the internal stress generated in the volume change is released, the electrode material is relatively stable in appearance; meanwhile, after the crack is formed, the self-repairing ability of the reversible chemical bond can induce crack healing, and long-term stable circulation of the battery is realized.

The invention discloses a low-temperature-resistant adhesive as well as a preparation method and application thereof. The low-temperature-resistant adhesive is prepared from the following components in parts by mass: 39 to 43 parts of cashew nut oil modified phenolic resin, 28 to 31 parts of epoxy resin CYD128, 27 to 29 parts of hydrogenated butadiene-acrylonitrile rubber, 0.2 to 0.4 part of metal organic salt accelerant and 1 to 2 parts of curing agent. The cashew nut oil modified phenolic resin is prepared from cashew nut oil, phenol, formaldehyde, sodium hydroxide and phosphoric acid. The cashew nut oil with flexible long chain segments is adopted to synthesize the modified phenolic resin, the proportion of the soft chain segments in the epoxy resin is remarkably increased, the brittleness of a cured product at low temperature is effectively improved, the hydrogenated butadiene-acrylonitrile rubber is introduced, good combination of strength and ductility is achieved, and the adhesive is not prone to degumming and failure at low temperature.

The invention belongs to the technical field of polymer sealants, and particularly relates to a silane modified sealant for hollow glass and a preparation method of the silane modified sealant. The modified asphalt is characterized by comprising a component A and a component B, wherein the component A mainly comprises hydroxyl-terminated polybutadiene, asphalt, a plasticizer, a filler, carbon black and a thixotropic agent; the component B is mainly prepared from isocyanate silane, a cross-linking agent, a coupling agent and a catalyst. According to the invention, hydroxyl-terminated polybutadiene is used as basic polymerization, a main chain is a carbon-carbon straight chain and has good compatibility with petroleum asphalt, a compact structure can be formed, and meanwhile, high-activity isocyanate silane and hydroxyl-terminated polybutadiene are terminated to form silane terminated polybutadiene, so that the flame retardance of the petroleum asphalt is improved, and the flame retardance of the petroleum asphalt is improved. And finally, a net structure with excellent weather resistance is formed through siloxane cross-linking and curing, so that the hollow glass has good water-gas sealing property and excellent weather resistance for structural bonding, and therefore, when the hollow glass is manufactured, only one layer of glue is required to be coated, a butyl rubber coating process is reduced, material waste is reduced, and the production efficiency is improved at the same time.

Provided are dual cure resin compositions useful for additive manufacturing that include an elastomer-producing light polymerizable monomer and / or prepolymer; a monomer and / or prepolymer that is solidified by exposure to heat, microwave irradiation, and / or moisture; a photoinitiator; optionally, one or more additional light polymerizable monomers and / or prepolymers; and optionally, a thiol crosslinker. Methods of forming a polymer and / or three-dimensional object with the resin, and polymers and / or three-dimensional objects produced are also described.

The invention provides an automatic curing molding high-temperature sealing material and application thereof, and belongs to the technical field of polymer sealing materials. The anaerobic curing sealant shows excellent high-temperature resistance after being cured, can stably work in an environment of 200-300 DEG C for a long time, has excellent chemical corrosion resistance, can resist various corrosive media such as acid, alkali and hydrocarbons, has excellent vibration fatigue resistance, remarkably prolongs the service life of a sealing system, and is suitable for large-scale popularization and application. The device can be applied to high-temperature, high-pressure and corrosive medium environments. The sealing material is particularly suitable for connecting and sealing threads and flanges of high-temperature and high-pressure systems such as chemical pipelines and gas pipelines, the problem that liquid anaerobic adhesive construction is inconvenient is solved, the defect of high-temperature performance of a traditional sealing material is overcome, and the sealing material has important industrial application value.

To provide an inexpensive rotor protection sheet and its adhesion method, which can improve water resistance, suppress adverse effects of ultraviolet rays, prevent damage due to vibration or contraction of rotor blades, and eliminate the risk of restrictions on use. [Solution] A rotor protective sheet 10 that is adhered to the rotatable rotor 4 of a wind power generation facility has a two-layer structure consisting of an adhesive layer 11 that is adhered to the blades 6 of the rotor 4 and a separator layer that is peelably laminated to this adhesive layer 11, with the adhesive layer 11 being a condensation-curing silicone rubber sheet that reacts with moisture in the air and cures at room temperature. Using a condensation-curing silicone rubber sheet for the adhesive layer 11 of the rotor protective sheet 10 improves water resistance and durability and can suppress changes in physical properties due to ultraviolet rays.

The present disclosure relates to a tyre (100) for vehicle wheels comprising at least one carcass structure (101), a tread band (109) applied in a position radially external to said carcass structure, and a pair of sidewalls (108) applied laterally on the opposite sides with respect to said carcass structure, where on at least one sidewall of said pair of sidewalls (108), a label (120) is applied comprising a protective layer (121), an adhesive layer (123), and possibly one or more ink layers (122) interposed between said protective layer (121) and said adhesive layer (123), where said adhesive layer (123) adheres the label (120) to the surface of said sidewall, where said protective layer (121) comprises polyester-based and / or polyether-based cross-linked aliphatic polyurethanes exhibiting dynamic elastic modulus values E′, measured at 25° C., static tensile deformation 1%, dynamic deformation ±0.1%, and frequency 1 Hz, equal to or higher than about 5 MPa, and a residual deformation measured at 25° C. after 4 cycles of deformation from 0% to 12%, equal to or lower than about 1%.

The invention discloses a single coating type heat vulcanization adhesive for bonding rubber and nylon and a preparation method thereof. The adhesive is prepared from the following components in percentage by weight: 10-20% of rubber, 5-10% of vulcanizing agent, 6-10% of amino resin, 1-6% of bismaleimide, 1-3% of rubber carbon black, 0.1-2% of fumed silica, 1-3% of zinc oxide and the balance of organic solvent. The adhesive disclosed by the invention is of a single coating type, has excellent adhesive performance, can firmly bond rubber and nylon together, has excellent high-temperature resistance and salt resistance of an adhesive interface, and has excellent environment resistance such as wear resistance, corrosion resistance and heat resistance.

Embodiments herein provides a system for creating an adhesive bond using elastomeric material. The system includes the steps of (i) a first material, the first material having a first material length and a first material width, (ii) a second material, the second material having a second material length and a second material width, (iii) a gap between the first material and the second material, (iv) an elastomeric material substantially filling at least a portion of the height and length of the gap between the first material and the second material. The gap includes a height and a length. The height being substantially equal to a distance between the first material and the second material and the length being substantially orthogonal to the height and defined by a degree of overlap between the first and second materials.

The invention belongs to the technical field of marble glue preparation, and particularly relates to marble glue for bearing and a preparation method thereof. The marble glue capable of being used for bearing is prepared by synthesizing modified resin containing a carboxyl-terminated nitrile rubber chain segment, preparing A glue containing the modified resin, ground calcium carbonate, nano silicon dioxide, polystyrene powder and a silane coupling agent and then preparing B glue taking benzoyl peroxide and dibutyl phthalate as base materials. According to the marble adhesive, a resin matrix is synergistically modified through a carboxyl-terminated nitrile rubber flexible chain segment and nano silicon dioxide, curing shrinkage and a specific curing system are regulated and controlled in combination with polystyrene powder, the comprehensive performance is remarkably improved, all indexes basically meet the requirements of dry hanging adhesive, impact toughness, bonding strength and the like are remarkably improved, and durability and environmental adaptability are high; good industrial application prospects are realized.

The invention discloses a preparation method of a super-cohesive-force polymer adhesive, and relates to the technical field of polymer adhesives, the super-cohesive-force polymer adhesive comprises a product structure formed by coating an adhesive on a PET base film and using PET release for protection, the adhesive positioned on the middle layer is prepared from 27.481% by weight of MEK, 2.71% by weight of MCS, 6.42% by weight of cyclohexanone CYC, 6.32% by weight of Al (OH) 3, 7.8% by weight of FR-95 flame-retardant powder, 18% by weight of a mixed solution of X740 rubber and carboxy nitrile rubber, 12.64% by weight of 901 epoxy resin, 4.71% by weight of EP4000 resin, 20.62% by weight of a 550 resin pre-solution, 1.35% by weight of a South Asia THPA accelerator and 2.71% by weight of a curing agent 1081; compared with the prior art, the preparation method has the advantages that the X740 rubber is added into a pure epoxy resin rubber system, so that the traditional method of taking pure epoxy resin as a system is broken, the bonding strength of the prepared high-molecular adhesive finished product is higher, and the phosphorus-containing silicate is added into the FR-95 flame-retardant powder and is put into a grinding stirrer to be ground.

The invention discloses an epoxy-maleimide modified polybutadiene and butyl hot melt adhesive and a preparation method of the epoxy-maleimide modified polybutadiene and butyl hot melt adhesive. The epoxy-maleimide modified polybutadiene is obtained by reacting epoxidized polybutadiene and maleimide carboxylic acid under the action of a polymerization inhibitor and a phase transfer catalyst. Epoxy-maleimide modified polybutadiene is introduced into raw materials such as polyisobutene, furyl phenol is used as a dynamic cross-linking agent, and the epoxy-maleimide modified butyl hot melt adhesive is prepared. The butyl hot melt adhesive realizes crosslinking at normal temperature, has relatively high hardness, water resistance and shear strength, and can realize crosslinking bond dissociation at a high temperature of 90 DEG C or above, so that the butyl hot melt adhesive has relatively good processability; in addition, the butyl hot melt adhesive disclosed by the invention is good in adhesive strength with glass, high in curing speed and long in storage life.

The present application relates to a compound of general formula VI: JPEG2025500202000021.jpg55155 [wherein m is an integer from 4 to 600, n is an integer from 4 to 400, and R 1 is C1-C 18 Alkylene group, C2-C 18 Oxyalkylene group, C2-C 18 Thioalkylene group, C6-C 18 Arylene group or C7-C 18 R is an aralkylene group. 2 is H or methyl.

The application provides a low dielectric glue, which comprises the following components in percentage by mass: low dielectric filler 3-15%, flame retardant 15-30%, main body resin 30-60%, curing agent 2-15% and active diluent 3-15%. The low dielectric glue provided in the application has low dielectric constant and dielectric loss after curing, high bending modulus and good flame retardancy.

The invention relates to a liquid packaging adhesive as well as a preparation method and application thereof. The liquid packaging adhesive comprises a component A and a component B, the component A comprises the following components in parts by weight: 5-20 parts of acrylate modified polybutadiene, 30-50 parts of vinyl-containing silicone oil, 1-5 parts of vinyl silicone resin, 0.1-0.5 part of a catalyst and 1-5 parts of a coupling agent; and the component B comprises the following components in parts by weight: 5-20 parts of acrylate modified polybutadiene, 30-50 parts of vinyl-containing silicone oil, 1-5 parts of vinyl silicone resin, 1-10 parts of a cross-linking agent, 0.1-1 part of a chain extender and 0.01-0.5 part of an inhibitor. The prepared liquid packaging adhesive is colorless and transparent in appearance and has excellent refractive index and curing shrinkage rate, a packaging adhesive film obtained after curing of the liquid packaging adhesive has excellent light transmittance, stability, mechanical strength and water vapor barrier property, and the service life of a perovskite battery can be effectively prolonged.

The invention relates to the technical field of adhesives, and discloses a modified natural rubber adhesive and a preparation method thereof.The modified natural rubber adhesive is prepared from, by weight, 100 parts of waterborne polyurethane resin emulsion, 2-8 parts of modified natural rubber and 0.3-0.7 part of defoaming agent; the modified natural rubber contains a carbamic acid ester group, has good compatibility with polyurethane and can be uniformly dispersed in a waterborne polyurethane emulsion, and the modified natural rubber is added into the adhesive, so that the affinity between the adhesive and a natural rubber film is improved, and the adhesive force and T peel strength between the adhesive and the natural rubber film are improved. Meanwhile, the modified natural rubber contains a large number of groups such as carbamate groups and sulfonic acid, and a relatively strong interface interaction force is formed between the modified natural rubber and the steel sheet, so that the binding force and the tensile shear strength between the binding agent and metal materials such as the steel sheet are improved.

The invention discloses polyester polyol modified phenolic resin, a preparation method and an adhesive prepared from the polyester polyol modified phenolic resin. The polyester polyol modified phenolic resin is prepared from the following raw materials in parts by weight: 10-30 parts of polyester polyol, 100 parts of phenol, 100-150 parts of formaldehyde and 0.5-10 parts of a basic catalyst. The thermosetting phenolic resin is modified by adopting the polyester polyol with low hydroxyl content and low aromatic hydrocarbon content, so that the material is endowed with low-temperature toughness, and the anti-fatigue compression performance is improved. When the polyester polyol modified phenolic resin is applied to the adhesive, the interface bonding force can be effectively improved, and the thermal stress can be dispersed. The aging resistance and the wear resistance of the adhesive are improved, and the thermal stress fatigue resistance is obviously improved.

The invention relates to the field of polymer synthesis, and discloses an acrylate-terminated liquid polybutadiene polymer and a preparation method and application thereof, a composition and application thereof, and a photocuring material. The functionality degree of the acrylate-terminated liquid polybutadiene polymer is 1.8 to 2; on the basis of the total weight of the acrylate-terminated liquid polybutadiene polymer, the content of the 1, 2-structural unit is 60-74.5 wt%, and the content of the 1, 4-structural unit is 25.5-40 wt%; based on the weight of the 1, 2-structural unit in the acrylate-terminated liquid polybutadiene polymer, the content of the cyclized 1, 2-structural unit is 15-35 wt%. The polymer has a cyclized structure, high 1, 2-structural unit content and uniform functionality, the heat resistance of a photocuring material formed by the polymer is remarkably improved, the volume shrinkage rate is greatly reduced, and the dimensional stability of a product is ensured.

The invention provides a synthesis method and application of flexible double-bond hybrid epoxy resin, and relates to the technical field of epoxy resin materials. The synthesis method of the flexible double-bond hybrid epoxy resin comprises the step of carrying out nucleophilic substitution reaction on 2, 2-tetradecenylheptyl bisphenol A and epoxy chloropropane to obtain the flexible double-bond hybrid epoxy resin simultaneously containing a flexible long carbon chain structure and a double-bond structure. By adopting the technical scheme, a long carbon chain and a double-bond structure are introduced into the epoxy resin to obtain the flexible double-bond hybrid epoxy resin, and due to the existence of the flexible carbon chain, the defect that the toughness of the cured epoxy resin is insufficient can be effectively improved; moreover, the flexible double-bond hybrid epoxy resin also contains a double-bond structure, so that when the flexible double-bond hybrid epoxy resin is subjected to toughening modification and is preferentially reacted with double bonds in nitrile rubber, the compatibility between the epoxy resin and a toughening agent is improved, carbon-carbon double bonds in nitrile rubber can be eliminated, and the heat-resistant stability and cohesive strength of an epoxy resin adhesive film are improved.

Provided is a pressure-sensitive adhesive sheet which has excellent impact resistance, is less apt to leave an adhesive residue, and brings about excellent reworkability.　A pressure-sensitive adhesive sheet 1 includes a pressure-sensitive adhesive layer 2 which is a rubber-based pressure-sensitive adhesive layer. When the pressure-sensitive adhesive surface (adhesive surface (X)) of the pressure-sensitive adhesive layer 2 is applied to a stainless-steel plate, and this pressure-sensitive adhesive layer 2 is allowed to stand for 30 minutes in an environment of 23°C and 50% RH and then examined for 180° peeling adhesive force at a pulling speed of 300 mm / min, the peeling adhesive force is 5.5 N / cm or greater. When the pressure-sensitive adhesive surface (X) of the pressure-sensitive adhesive layer 2 is applied to a stainless-steel plate, and this pressure-sensitive adhesive layer 2 is allowed to stand for 24 hours in an environment of 23°C and 50% RH and then examined for dynamic shear bond force under the conditions of a pulling speed of 10 mm / min and a peel angle of 0°, the dynamic shear bond force is 0.35 MPa or greater. When the pressure-sensitive adhesive surface (X) of the pressure-sensitive adhesive layer 2 is applied to a stainless-steel plate, and this pressure-sensitive adhesive layer 2 is allowed to stand for 30 minutes in an environment of 23°C and 50% RH and then examined for 180° peeling adhesive force at a pulling speed of 300 mm / min after supplying 0.5 mL of ethanol to the adhesion interface, then the adhesive force is 2.0 N / cm or less.

The invention relates to the technical field of production of rubber materials, in particular to an EPDM (Ethylene-Propylene-Diene Monomer) rubber material with self-adhesion after vulcanization and a preparation method thereof. The EPDM rubber material comprises the following components in parts by mass: 70-90 parts of EPDM raw rubber, 3-7 parts of modified resin, 2-9 parts of tackifying resin, 10-25 parts of porous nano carbon spheres, 6-15 parts of a polyester plasticizer, 3-6 parts of nano zinc oxide, 1-4 parts of stearic acid, 0.5-2 parts of an anti-aging agent, 0.5-2 parts of an accelerant and 0.5-3 parts of a vulcanizing agent. The EPDM material disclosed by the invention has the characteristics of strong autohension, no oil separation, high mechanical property and good heat-resistant stability. Wherein the modified resin is introduced into the EPDM raw rubber to generate crosslinking with the EPDM raw rubber, and the tackifying resin and the polyester plasticizer are matched for use, so that the mechanical property, heat resistance and autohension of the material are effectively improved; and the oil separation property of the EPDM rubber material is effectively improved by introducing the porous nano carbon spheres.

The invention relates to the technical field of secondary batteries, in particular to a binder, positive electrode material slurry, a positive plate and a battery. The binder comprises modified hydrogenated butadiene-acrylonitrile rubber; the structural formula of the modified hydrogenated butadiene-acrylonitrile rubber is # imgabs0 #; wherein the ratio of x to y is (0.4-1.5): 1; m is any integer from 1 to 3; r is a substituted or unsubstituted ester group. According to the invention, the modified hydrogenated nitrile rubber with excellent bonding performance and flexibility is adopted as the binder, so that the anti-cracking performance of the pole piece is improved, and the safety and reliability of the lithium battery are improved.

Polybutadiene-based elastomeric adhesive compositions for treating load carrying cords and other textiles for flexible belts, including synchronous belts. The elastomeric adhesive compositions have at least one polybutadiene-based polymer, which when cross-linked, forms covalent bonds with the surrounding belt polymer. The elastomeric adhesive compositions can include a cross-linker and / or a solvent (either aqueous or organic).

The invention relates to the technical field of fly killing, in particular to a fly trapping adhesive tape which is composed of a polymer base tape and an adhesive layer. The adhesive layer is prepared from the following raw materials in parts by weight: 60-80 parts of grafted modified chloroprene rubber, 40-50 parts of hydroxyl-terminated liquid nitrile rubber, 5-10 parts of molasses, 5-10 parts of a chelate and 800-850 parts of a solvent. The fly-luring adhesive tape prepared by the invention not only has excellent viscosity, but also has extremely strong attraction to flies, and can effectively kill flies and guarantee public health.

The invention discloses a gutta-percha modified second-order reaction epoxy adhesive and a preparation method thereof, the epoxy adhesive is composed of a component A and a component B. The component A comprises epoxidized gutta-percha, liquid epoxy resin, a reactive diluent, an auxiliary agent and the like, and the component B comprises a cardanol modified phenolic aldehyde amine curing agent, a modified polyamide curing agent, vegetable oleic acid, an auxiliary agent and the like. The gutta-percha modified second-order reaction epoxy adhesive disclosed by the invention has the characteristics of second-order reaction characteristic, high flexibility, high bonding strength, greenness, environment friendliness, reproducibility and the like, and is suitable for waterproof bonding between steel and concrete base planes of roads, bridges and the like and asphalt pavement layers.

The invention relates to the technical field of structural adhesives, in particular to a bio-based environment-friendly structural adhesive and a preparation method thereof.The bio-based environment-friendly structural adhesive is prepared from a base material, auxiliaries and an environment-friendly cross-linking agent; the base material is prepared from polylactic acid, soybean protein, an antioxidant and natural rubber; the auxiliaries comprise lignosulfonate, a plasticizer and a bio-based reinforcing material. According to the bio-based environment-friendly structural adhesive, bio-based materials such as the polylactic acid, the soybean protein and the natural rubber are adopted as matrixes, and the specific auxiliaries and the environment-friendly cross-linking agent are combined, so that the balance of high environment friendliness, high bonding performance and good moisture resistance is achieved.

The invention provides an adhesive composition, an adhesive layer, an adhesive sheet, an optical member with an adhesive layer, an image display device, and a touch panel, and the adhesive composition is used for forming an adhesive layer used for pasting the optical member of the image display device. The adhesive composition is capable of forming an adhesive layer having high reliability in which the adhesive force does not easily change with respect to an environmental change, having little change in adhesive force due to a storage environment immediately after film formation, and having excellent productivity. The adhesive composition is used for forming an adhesive layer used for pasting an optical member of an image display device, and when the water absorption rate of the adhesive layer stored for 360 minutes under the conditions of 23 DEG C and 90% RH is set as X90 (%), the formula (1) is satisfied. X90 < = 1.5%... (1)

The invention relates to the field of adhesive tapes, in particular to a PE adhesive tape glue and a preparation method thereof. The adhesive tape glue is formed on a PE film surface by ultraviolet curing; a terminal hydroxyl polybutadiene liquid rubber is further modified by chlorinated organosilicon-modified eugenol to obtain organosilicon-modified polybutadiene liquid rubber containing a plurality of photosensitive groups; wherein the chlorinated organosilicon-modified eugenol is prepared by using green bio-based raw material eugenol as a raw material and replacing it with methyl (7-octenyl) dichlorosilane; a nano silicon dioxide coating layer is first formed on the surface of nano zinc oxide by using sodium silicate, and mercaptopropyl trimethoxysilane is used to mercaptolate the nano zinc oxide, and then the chlorinated organosilicon-modified eugenol is grafted on the surface of the nano zinc oxide by mercapto-ene photo-click reaction, and then further quaternized by using N,N-dimethyldodecylamine to obtain modified nano zinc oxide, and the modified nano zinc oxide is introduced into the glue to greatly improve the antibacterial property, UV resistance and water resistance of the nano zinc oxide.