757results about "Chloroprene adhesives" patented technology

Water-based adhesive compositions are improved by the incorporation of hollow polymeric microspheres having outer surfaces coated with one or more barrier materials such as calcium carbonate particles. The adhesive compositions exhibit enhanced rheology, sprayability, drying time, tack and storage stability as compared to analogous adhesives that are not modified with coated hollow polymeric microspheres. Such compositions are useful as both contact adhesives as well as wet bonding one-way adhesives.

The present invention relates to a pressure-sensitive adhesive composition containing a non-halogen, non-intumescent flame-retardant system comprising at least one flame-retardant agent with the provisos that the flame-retardant system does not comprise Sb2O3 or does not consist only of alumina trihydrate.

The invention provides a reaction bonding type node sealant and a preparation method thereof. The sealant comprises asphalt, modifiers, an emulsifier, a crosslinking agent, thickeners, a reinforcing agent and water. In the formula system, more appropriate modifiers are adopted compared with the prior art, so that a rubber asphalt mixture can achieve good emulsification effect, elasticity and strength of a sealing layer after drying are greatly improved, and the sealing effect can be good and lasting; the chemical linkage effect with concrete is formed by using the crosslinking agent, and bonding force with the concrete is improved; and a lot of thickeners are used for adjusting the stickness of the sealant system, so that the reaction bonding type node sealant can better adhere to the surface of a pentatricopeptide repeats (PPR) or polyvinyl chloride (PVC) pipe, and good sealing at positions where PPR or PVC water supply and drainage pipes are connected with base surfaces of concrete.

The object of the invention is to provide sound insulating members exhibiting both high vibration damping performance and high sound insulation performance, a vibration damping material for affording such members and a resin composition for forming the vibration damping material. The invention provides a first resin composition for vibration damping materials which contains 100 parts by weight of a chlorine-containing thermoplastic resin, and 20 to 200 parts by weight of a chlorinated paraffin having 12 to 16 carbon atoms on average. The thermoplastic resin contains preferably 20 to 70 wt. %, more preferably 30 to 70 wt. %, of chlorine. The chlorinated paraffin is preferably 30 to 70 wt. %, more preferably 35 to 65 wt. %, in chlorination degree.

The invention discloses an environment-friendly chloroprene rubber adhesive agent which comprises the following compositions: neoprene, alloprene, thixotropic agent, 2402 phenolic resin, extra light calcined magnesia, catalyst, cyclohexane, acetic ether, environment-friendly solvent oil and antioxidant BHT. The invention simultaneously discloses a method for producing the environment-friendly chloroprene rubber adhesive agent. The environment-friendly chloroprene rubber adhesive agent has the following advantages: 1. the agent is environment-friendly, does not contain toxic solvents of triphen and halogenated hydrocarbon, and meets the standard requirement of Technical Requirement for Environmental Labeling Products-Adhesives HJ/T 220-2005 2. the anhydrous catalyst is adopted for the preparation of a pre-reaction solution which has high viscosity and good storage stability; 3. gas phase method silica aerogel is added as the thixotropic agent; and the thixotropic index can reach 1.5 and is convenient for construction; and 4. the neoprene and the alloprene are combined for use to greatly improve the adhesive force and peeling strength to metal and other polar materials.

The invention relates to a light and high-strength rubber conveyor belt and a preparation method tof the conveyor belt. The conveyor belt comprises a framework layer, an adhesive glue, and upper and lower cover rubber laminated structures; the framework layer adopts mixed woven canvas of ultra-high molecular weight polyethylene fibers and polyester fibers which are treated by plasma, simultaneously adopts low-temperature vulcanization technology to be subjected to covulcanization with the adhesive glue and a cover rubber at a low temperature, and solves the problem of the bonding of ultra-high molecular weight polyethylene fiber cloth and rubber. Compared with the conventional high-strength conveyor belt of wire rope core, the light and high-strength rubber conveyor belt in the invention not only has high strength, and good corrosion resistance, wear resistance, shock resistance and fatigue resistance, but also greatly reduces the weight and thickness, thereby reducing the conveying power energy consumption, which is expected to have long service life and good energy saving and environment friendly performances. Therefore the light and high-strength rubber conveyor belt disclosed in the invention is particularly suitable for the long-distance material conveying in the industries of coal mine, metallurgy, mine and the like.

The invention relates to water-base joint grouting glue for a normal temperature road, namely an environment-friendly joint grouting and joint sealing material having high viscosity, high cementing power and high adhesive property, which is formed by special processes of copolymerizing water, a water-base adhesive, bitumen and a dispersing agent, then modifying a macromolecular water-soluble resinand a rubber latex, and adding the auxiliary agents of a stabilizing agent, a thickening material and the like, and can be used for treating and sealing various types of cracks of bitumen and cementroad surfaces and joint seams of cement road surfaces and bridge surfaces. The joint grouting glue is in a gel state at normal temperature, can be stirred but cannot flow, thus the joint grouting gluecan enter joints directly without slotting and cannot infiltrate downwards so as to play a role in sealing the joints; and simultaneously the joint grouting glue is soluble in water; therefore, the joint grouting glue can be mixed with water to prepare strong-permeability joint grouting materials with any viscosities, and can be effectively poured into deep parts of the cracks of road surfaces without slotting. The joint grouting glue combines the advantages of slotting and non-slotting repairing methods, and simultaneously avoids the disadvantages of the two methods.

At least one esterified fatty acid, particularly a fatty acid from tall oil that undergoes a Diels-Alder reaction or a fatty acid from oleic sunflower oil that undergoes an epoxydation reaction, is used as a PVC plasticizer, particularly for floor coverings.

The invention discloses a high elasto-plasticity waterproof caulking sealant used in outdoor and a preparation method thereof. The high elasto-plasticity waterproof caulking sealant comprises the following raw materials in parts by mass: 120-140 parts of organic solvent, 60-80 parts of base rubber, 20-40 parts of tackifier, 90-120 parts of softener, 3-5 parts of anti-aging agent, 400-500 parts of filler and 5-10 parts of thickener. The preparation method comprises the following steps: refining the base rubber into lamellas by utilizing a two-roll rubber refining machine; cutting into pieces; placing the organic solvent, the tackifier, the softener, the anti-aging agent and the rubber blocks obtained in the above step into a reactor; stirring and dissolving into adhesive cement; and placing the filler and the thickener into the reactor; stirring, vacuumizing, and discharging to obtain the finished product. The product obtained by the invention has better water resistance, weather resistance, low temperature resistance, strong adhesion, better flexibility and excellent sealing performance.

The invention discloses a method for manufacturing an environment-friendly pressure sensitive adhesive material. The method mainly comprises the following steps of: 1, in a closed environment, heating solvent type pressure sensitive adhesive to the temperature of between 60 and 200 DEG C so that the solvent contained in the solvent type pressure sensitive adhesive is evaporated and 50 to 99.9 mass percent of pressure sensitive adhesive is obtained; 2, adding a curing agent into the pressure sensitive adhesive obtained in the step 1, and mixing the curing agent and the pressure sensitive adhesive uniformly by using a vibrating bar or a screw extruder; 3, coating; and 4, rolling. The evaporation time of the solvent during coating the pressure sensitive adhesive can be reduced, so that the coating production efficiency is greatly improved.

The invention discloses a neoprene latex type adhesive, a preparation method and the application thereof. The neoprene latex type adhesive adopts acrylic esters monomers such as butyl acrylate, gadoleic acid isooctyl ester and the like as well as styrene having sufficient source and low price; styrene-acrylic emulsion is prepared by simple technique; neoprene latex is modified by the emulsion and matched with coagulator solution and other accessory ingredients, so that rubber latex type chloroprene rubber adhesive agent can be prepared; the performance of the rubber latex type chloroprene rubber adhesive agent is similar to that of the commercially available solvent-borne type chloroprene rubber adhesive agent, and the rubber latex type chloroprene rubber adhesive agent even has some indexes being superior to the indexes of the commercially available solvent-borne type chloroprene rubber adhesive agent; furthermore, the neoprene latex type adhesive has high cost performance, wide application scope as well as remarkable social and economic benefits. The neoprene latex type adhesive can meet the needs of different base materials such as a mattress, a chair, a couch, a sofa, a screen, a handbag, industrial polyfoam and the like, is low in cost and simple in preparing method, and has the excellent properties of good storage stability, large temperciance, rapid intensity foundation, high bonding strength, etc.

The invention, relating to the technical field of chemical spray adhesive, especially relates to a spray adhesive formula and a technology thereof. The spray adhesive comprises the following ingredients: 1-12 wt% of rubber, 1-5 wt% of dispersant, 10-40 wt% of tackifying resin, 10-60 wt% of varsol, 10-55 wt% of chlorinated solvent and 35-70 wt% of propellent. The technology of preparing the spray adhesive comprises the following steps: (1) adding varsol and chlorinated solvent in a stirring tank according to the amount in the formula, starting the stirring tank for stirring; (2) adding SBS thermoplastic elastomer and other rubbers with stirring until the rubbers completely dissolve; (3) then adding rosin and other tackifying resin with stirring until rosin completely dissolves, then addingorganic bentonite dispersant, continuously stirring until organic bentonite completely disappears; and (4) filtering and then canning, and carrying out sealing and then inflating the tank. The spray adhesive has no toxins and no pollution, and can be used on white fabrics without yellowing or blackening with ideal bonding effect.

The invention discloses an aqueous neoprene type environment-friendly glue which comprises aqueous rosin emulsion with low grain diameter and high stability, aqueous acrylic resin emulsion, ethane-vinyl acetate emulsion, anion type neoprene latex, aqueous foam suppressor, wetting dispersant, preservative, tackifier, nanometer calcium carbonate concentrated slurry, aerosol, and the like. The invention also discloses a preparation method of the aqueous neoprene type environment-friendly glue; the aqueous neoprene type environment-friendly glue takes water as a dispersed media, is uniform milky liquid, has the comprehensive advantages of no organic solvent, no heavy metal, insipidity, good initial adhesive force, excellent bond strength, excellent hold tack, excellent heat resistance and aging resistance, short drying time, long opening time, large spray area of unit weight, glue saving, excellent oily leather resistance, fireproofing, safe transportation, and the like, has the advantages of reducing environment pollution, improving operation and construction environment, saving large amounts of organic fuel, insipidity, and the like, is widely applied to industries of soft furniture of cases and bags, sofas, swivel chairs, mattresses, pillows, folding screens, and the like, and is especially suitable for application of green high-grade export products of occident.

The invention relates to a binding material, in particular to an automobile sound deadening film which is used on metal plates for locally reinforcing the metal plates and particularly on automobile doors to reduce noises generated by the vibration of a running automobile. The automobile sound deadening film is prepared by mixing and extruding 10-25 percent of synthetic rubber, 5-15 percent of thermoplastic resin, 5-20 percent of thickening resin, 10-25 percent of plasticizing agent, 25-50 percent of vibration damping and sound deadening agent, 10-20 percent of oil absorbing and filling agent and 5-10 percent of reinforcing filling material. The automobile sound deadening film can be used for the large-area sound deadening and vibration damping of the metal plates during the automobile manufacturing process. When being used, the automobile sound deadening film can be operated by hands, is innoxious and odorless, is easy to separate from release paper, has good manufacturability, can not shift after being pasted, is less susceptible to oil washing, phosphating process, electrophoresis, paint spraying and drying, and other subsequent automobile body manufacturing processes and is convenient to use.

The invention discloses a corrosion-resistant high-pressure hose and a production method thereof. The corrosion-resistant high-pressure hose comprises an inner pipe layer (1), a steel wire enhancing layer (3), a middle glue layer (4) and an outer glue layer (6). The hose is characterized in that the inner pipe layer is made from hydrogenated butyl rubber and is coated with an aramid fabric layer (2), the steel wire enhancing layer is wound or woven outside the aramid fabric layer, the middle glue layer, namely a middle glue bonding layer, is arranged outside the steel wire enhancing layer, a second steel wire enhancing layer (5) is wound or woven outside the middle glue bonding layer, the middle glue bonding layer and the wound or woven steel wire enhancing layer are fused together, and the outermost layer of the hose is the outer glue layer which is a protective layer. The production method is implemented through carrying out processes such as banburying and extrusion on materials of the inner pipe layer made from the hydrogenated butyl rubber, the middle glue bonding layer and the outer glue protective layer, and winding the steel wire enhancing layer and coating the aramid fabric layer respectively. The corrosion-resistant high-pressure hose disclosed by the invention is good in stability, strong in corrosion resistance and H2S prevention, and wear-resisting especially; and the impact resistance of the hose is improved, the strength and flexibility of the hose are enhanced, and the service life of the hose is effectively prolonged by more than 50%.

The invention belongs to environment-friendly and decorative glue, particularly relates to environment-friendly and decorative nail-free glue and a preparation method thereof. The environment-friendly and decorative nail-free glue comprises the following components: 5.0 to 20.0 percent of rubber elastomers, 10.0 to 30.0 percent of tackifying resin, 15.0 to 35.0 percent of reinforcing fillers, 2.0 to 8.0 percent of a thixotropic agent, 10.0 to 40.0 percent of a solvent and 0.1 to 1.0 percent of anti-oxidant; the preparation method of the environment-friendly and decorative nail-free glue comprises the following steps: putting the solvent into a high-speed stirrer, sequentially adding the rubber elastomers and the tackifying resin after a stirrer is started, stirring for 2 to 8 hours until all materials are dissolved to be a uniform liquid, then slowly adding the enhancing fillers and stirring uniformly so as to prepare a flowable slurry mixture, then adding the thixotropic agent and the anti-oxidant, and stirring uniformly so as to prepare the environment-friendly and decorative nail-free glue. The environment-friendly and decorative glue provided by the invention is environmental-friendly, is convenient to use, has high product bonding intensity and is excellent in durability.

The invention relates to an expanding damping adhesive with good damp heat resistance ageing performance, which belongs to the technical field of the expanding damping adhesive and mainly solves the problems that the damp heat resistance aging performance of the existing expanding damping adhesive is not good enough so as to affect service life of the expanding ageing performance. The expanding damping adhesive is mainly characterized by comprising the following components, by weight, 10-40 parts of liquid polybutadiene, 0-10 parts of solid rubber, 0-20 parts of softener, 0-10 parts of tackifier, 0-10 parts of sulphur, 0-10 parts of accelerating agent, 0.1-3 parts of antioxygen, 0.1-10 parts of active agent, 0-3 parts of foaming agent and 10-50 parts of filler. The expanding damping adhesive has good strength keeping rate after damp heat ageing and long service life, is widely used for adhesion and filling between an outer plate and a strengthening beam of an auto-body panel of a welding line, and has buffering and damping effects.

The invention relates to a double-component acrylate structural adhesive which is prepared by mixing a component A and a component B in a mass ratio of 1:1, wherein the component A is composed of 30-70 parts of acrylate monomer, 10-40 parts of toughening resin, 0.1-10 parts of initiator, 0.01-1 part of stabilizer, 0-6 parts of thixotropic agent and 0.1-2 parts of paraffin; and the component B is composed of 30-70 parts of acrylate monomer, 10-40 parts of toughening resin, 0.1-5 parts of accelerator, 0.01-1 part of stabilizer, 0-6 parts of thixotropic agent and 0.1-2 parts of paraffin. The adhesive provided by the invention has the advantages of low water absorptivity (lower than 2%), high curing speed, high initial adhesive force and high storage stability, and is convenient to use. The bonding strength of the bonded structural sample piece can still have the retentivity of 70% or so after the structural sample piece is boiled in water for 24 hours.

The invention relates to the technical field of bra cup pad, and specifically relates to a vertical cotton breathable bra cup pad with a silica gel net and a preparation method thereof. The vertical cotton breathable bra cup pad comprises a vertical cotton outer layer and a vertical cotton inner layer; a vertical cotton interlayer is arranged between the vertical cotton outer layer and the vertical cotton inner layer; an adhesive layer is arranged between the vertical cotton interlayer and the vertical cotton inner layer; and a silica gel net layer is arranged between the vertical cotton outer layer and the vertical cotton interlayer. The vertical cotton breathable bra cup pad is prepared by a combined technology of hot pressing and cold pressing. The pad is made of vertical cotton, and is light, comfortable, and breathable. A silica gel layer is arranged between vertical cotton layers, the performance of the pad on resisting water washing is enhanced, the anti-collapse effect is good, three-dimensional effect of the cup pad is long-lasting and stable, and the deformation is difficult to happen.

Provided is a pavement crack repairing material. The pavement crack repairing material comprises the following ingredients, by weight, 35-65% of asphalt, 6-12% of modifiers, 6-10% of special leftover material powder, 2-5% of plasticizers, 8-15% of softening oil, 10-25% of waste rubber power, and 3-10% of tackifiers or nano-oxides. The special leftover material powder is obtained after leftover materials of beef tendon sole rubber and chloroprene rubber at a weight ratio of 3:2.5 are ground by a grinding mill. The repairing material has good low-temperature crack resistance, high-temperature stability, interface binding property, ageing resistance and fatigue resistance. The repairing material is suitable for repairing of cracks and seams of asphalt or cement concrete pavements under extremely cold weather conditions.

The invention relates to a hot-melt adhesive for the bonding layer of artificial leather and a preparation method as well as application thereof. The preparation method comprises the following steps of: firstly reacting low polymer polyalcohol, an expoxy resin and aromatic polyhydroxy special polyether with diisocyanate, then adding a hydrophilic chain extender and a micromolecule polyalcohol chain extender for carrying out chain extension reaction to obtain an intermediate product, neutralizing by using organic amine, emulsifying by using water to generate a polyurethane emulsion, finally removing an organic solvent at a reduced pressure to obtain a waterborne polyurethane emulsion, adding a special organic silicon surface active agent, a FeCl3 aqueous solution, a waterborne curing agent, natural rubber, chloroprene rubber, nitrile butadiene rubber and a thickening agent, and preparing the hot-melt adhesive for the bonding layer of artificial leather. The bonding layer of artificial leather is used for compositing spinning fabrics and PVC (Polyvinyl Chloride)/cloth in the fields of bags, suitcases and clothing. The prepared adhesive has the excellent performances of firm bonding strength, water resistance, acid resistance, alkali resistance and the like and is applied to the artificial leather fields of clothing, bags, suitcases and the like.

The invention relates to an article for daily life such as a floor mat, in particular to a soundproof floor mat, which comprises a first moisture-proof film, an all-open cell foam material or softwood layer and a closed cell foam material layer, wherein the first moisture-proof film layer is arranged in a bottom layer; the all-open cell foam material or softwood layer is arranged in a middle layer, and is positioned on the first moisture-proof film layer; the closed cell foam material layer is arranged in an upper layer, and is positioned on the all-open cell foam material or softwood layer. According to the soundproof floor mat, the advantages of a closed cell foam material, softwood and an all-open cell foam material in sound insulation and noise reduction are integrated, and the soundproof floor mat is laid under a floorboard by a multilayer composite technology, so that the shortcomings of each material are effectively overcome, high-frequency and low-frequency noise can be eliminated to effectively realize sound insulation and noise reduction, noise between floors is effectively lowered, 80 percent of impact sounds (knocking noise produced by high heels or other hard objects) from upper floors can be reduced and remarkably improved, and the quality of life is improved; due to the adoption of a three-layer structure, the foot-feel can be improved, and the floorboard can be protected.