36results about How to "Good bond strength" patented technology

The invention relates to an intelligent segmental temperature control system of a wind power blade die, which is provided based on the technical theory that segmental temperature control is bound to be carried out based on the differences on the formed region thickness of a designed blade structure and the energy-saving purpose can be achieved by lowering the dependence on external heating in a curing manufacturing procedure by utilizing the reaction exothermic character of a matrix material. To achieve the purpose, the invention adopts the technical measures of the construction of a die segmental temperature control pipeline, which ensures that each temperature segment can be heated or cooled independently based on requirements on thermal energy in the curing manufacturing procedure; the establishment of an intelligent temperature control system, wherein temperature and hardness data of the die and a blade shell can be captured to judge whether heating setting, exothermic peak initiating temperature and the states of completion degree, gel curing degree and the like are completed or conform to design values; and antecedent technical measures, wherein energy consumption is saved by utilizing the reaction heat of materials per se to heat and reaction and temperature control are combined to match the design of a temperature curve, which are helpful for obtaining the blades with uniform curing and excellent quality and can improve the production efficiency as a characteristic.

The invention discloses an elastic epoxy resin waterproof coating which comprises components A and B, wherein the component A comprises the following components in parts by weight: 65-85 parts of epoxy resin, 5-10 parts of activity diluent, 5-10 parts of reaction type plasticizer, 5-20 parts of functional additive and 280-500 parts of functional filling agent; the component B comprises the following components in parts by weight: 20-30 parts of modified amine hardener, 1-2 parts of coupling agent and 1-2 parts of prompting agent. The waterproof coating disclosed by the invention can be directly firmly adhered to the surface of a cement substrate when used on the surface of concrete, and 20% of deformation, cracking and the like on the surface of the cement substrate is overcome.

The invention discloses a poly(ethylene carbonate) type polyurethane water-based adhesive which is prepared through the following method: taking 100 parts of poly(ethylene carbonate) diol according to parts by weight, adding 2-10 parts of dimethylol propionic acid, stirring and slowly raising temperature to 100-120 DEG C under nitrogen protection, reducing the temperature to 50-70 DEG C after dissolution, dropping 20-60 parts of diisocyanate, raising the temperature to 70-80 DEG C, reacting for 2-3 hours, stopping heating when glue solution has viscosity and is transparent, naturally cooling to 40-50 DEG C, stopping introducing nitrogen, adding 100-700 parts of 5-30% of catalyst water solution while stirring intensely, neutralizing, emulsifying and preparing the adhesive. As a large number of carbonate bonds are contained in molecules of poly(ethylene carbonate) polyol, the bonding strength of a product is high; simultaneously, the carbonate bonds are less prone to hydrolysis, the storage stability of the product is high. In addition, the poly(ethylene carbonate) polyol is prepared by copolymerizing carbon dioxide and epoxy ethane, the cost is low, and the poly(ethylene carbonate)type polyurethane water-based adhesive has broad market application space.

The invention discloses a stone-like paint and a preparation technology thereof. The stone-like paint is prepared through the following components in parts by mass: nano-zinc oxide, silicone acrylic emulsion, aluminum silicate, zeolite powder, titanium dioxide, ethyecellulose, s-triazine, deionized water, natural colorful sand, silicate solution, lignocellulose, barium sulfate, sodium hexametaphosphate, ethylene glycol, a curing agent, a thickening agent, a filming agent, a defoaming agent, a coupling agent, a water repellent and a germicide anticorrosive agent. The preparation method comprises the following steps: preparing a mixed base material; preparing shellac varnish; and preparing the paint. The stone-like paint is high in adhering intensity, high in cracking resistance, high in surface adhesion, and high in abrasion resistance, and suitable for popularization; the VOC release amount of the paint is zero, so that the paint is a green and environmentally-friendly building decoration material and achieves the effect of a real-stone paint, and meanwhile, the paint is resistant to weather, resistant to water, resistant to alkali, resistant to after tackiness, and resistant to pollution; the paint is particularly applicable to indoor decoration of a home, a hotel, a restaurant and a public place; and the preparation technology is simple, scientific and reasonable.

The invention relates to a preparation method of a bisphenol A modified paper-base glass cloth copper-clad foil single-sided copper-clad plate, which comprises the following steps of: (I) preparing an epoxy phenolic resin mixed solution; and (II) preparing a bisphenol A modified phenolic resin mixed solution; preparing a copper-clad foil laminated plate by using the epoxy phenolic resin mixed solution as a steeping binder for glass cloth and the bisphenol A modified phenolic resin mixed solution as a steeping binder for wood fiber paper,. The prepared copper-clad foil laminated plate has low production cost and strong aging resistance, and hardly peels off.

The invention relates to an adhesive for buildings, in particular to cold water fast dissolving rubber powder for buildings. The cold water fast dissolving rubber powder is characterized by mainly comprising the following substances in percentage by weight: 30-60 percent of pre-gelatinized starch, 15-50 percent of cold water fast dissolving polyvinyl alcohol powder and 10-40 percent of hydroxy ethyl cellulose or hydroxypropyl methyl cellulose. During production, the compositions are directly mixed proportionally, stirred uniformly, and packaged. During construction, 30-100 times of water is added for mixing and stirring uniformly. The cold water fast dissolving rubber powder has the advantages of low cost, environmental friendliness, fast dissolubility in cold water, easiness for constructing, high adhesion, increase in adhesion strength and smoothness, and convenience for storing and transporting, can be mixed with cement, talc powder, nature calcium carbonate, gypsum products, water-proof materials and the like or used separately, and has tackifying property and water retention property.

The invention relates to inorganic paste for internal thermal insulation of buildings and a preparation method thereof. The inorganic paste is mainly prepared from the following components in parts by weight: 6-15 parts of inorganic cementing material, 3-6 parts of a polymer emulsion, 20-25 parts of a light heat-insulating material, 0.1-0.5 part of cellulose, 0.5-1 part of dispersible adhesive powder, 0.1-0.3 part of fibers, 0.0-0.1 part of an air entraining agent, 0.04-0.06 part of a film-forming agent, 0.1-0.5 part of a retarder, 0.2-0.5 part of a hydrophobic agent, 0.1-0.5 part of a water reducing agent, 0.1-0.5 part of a thickening agent and 50-70 parts of water. According to the invention, the inorganic paste overcomes the following problems: a plate joint exists after existing internal thermal insulation materials for buildings are spliced; after putty finish paint is painted on the plate joint, cracking is easy to occur, and fireproof performance is poor; and water needs to be added on site for stirring during construction, which leads to inconvenient construction, dust pollution and environmental pollution. The single-component inorganic paste material is prepared by selecting the light heat-insulating filler, the inorganic cementing material and the polymer emulsion and matching the above substances with other components in the system, can be subjected to integral batch scraping, and is free of cracking risk; and the inorganic paste is prefabricated, and construction can be carried out without adding water and stirring on site.

The invention discloses a hot-melt pressure-sensitive adhesive for a paper diaper. The hot-melt pressure-sensitive adhesive for the paper diaper comprises components of a polyolefin copolymer, an antioxidant, a softener, a tackifying resin and a polymeric elastomer, wherein the softener is rubber oil, the tackifying resin is hydrogenated resin, and the polymeric elastomer is a compound of SBS andSIS; the invention further discloses a production method of the hot-melt pressure-sensitive adhesive for the paper diaper, comprising the following steps: heating a reaction vessel and putting into the softener, adding a part of the tackifying resin and heating to be molten, putting into the polymeric elastomer and the antioxidant to be reacted, adding the polyolefin copolymer and the balance of the tackifying resin and melting, heating and stirring until the reaction is finished. The hot-melt pressure-sensitive adhesive for the paper diaper has the effects of strong viscosity, high fastness and difficult aging and falling-off.

The invention relates to a flame retardant expanded double-sided tape. The flame retardant expanded double-sided tape comprises a first composite acrylic acid glue layer, a flame-retarded polystyrenesynthetic resin layer, a second composite acrylic acid glue layer and a double-sided release film layer which are sequentially arranged from top to bottom. Compared with the common flame-retardant expanded tape on the market, the product has high viscosity and strong fixing ability, so the an electrical core and an outer casing can be firmly fixed, the tape has the resistance to an electrolyte, does not affect the composition of the electrolyte, does not affect the performance of a battery, the expansion ratio of the tape exceeds 3 times, which is better to fill an assembly gap and reduce thepossibility of vibration displacement, and the double-sided tape has good safety.

The invention discloses an underground parking garage epoxy mortar abrasion-resisting floor and a construction method. The problems that dusting and damage of the ground of a common basement parking garage are easily caused by vehicle travelling, and consequently, frequent maintenance is required, and the large trouble is brought are solved. According to the key points of the technical scheme, thefloor comprises a concrete base layer, and the concrete base layer is sequentially provided with a sealed primer layer, an epoxy mortar layer and an epoxy face layer; and the construction method comprises the steps of base layer treatment, primer painting, blade coating of the epoxy mortar layer and painting of the epoxy face layer, and the purposes that the phenomena of dusting and damage causedby vehicle travelling are reduced, and thus frequent maintenance is not required, and the trouble brought by maintenance is reduced are achieved.

The invention discloses a thermal insulation thermoplastic composite material for a roadbed. The material comprises an upper layer, a middle layer and a base layer in sequence from up to bottom, wherein the upper layer and the base layer are bonded, combined and pressed through the middle layer, the upper layer is thermoplastic composite material; the middle layer is a bonding layer and the base layer is thermal insulation material. According to the invention, the thermal insulation thermoplastic composite material adopts the thermoplastic composite material as the upper layer, so that the intensity and the rigidity of the whole material are provided and more importantly the shock resistance performance which is far better than that of a common thermal insulation material is provided; the base layer is the thermal insulating layer and connected through the bonding layer, so that material of which the bonding performance is poor between the upper layer and the base layer has good bonding intensity; the thermal insulation thermoplastic composite material is mainly applied for thermal insulating of roadbeds of highways and railways in plateau areas or cold areas.

The invention discloses a lignin-based super-hydrophobic coating and a preparation method thereof. The lignin-based super-hydrophobic coating is prepared from the following raw material components in parts by mass: 2 to 4 parts of covalently cross-linked lignin micro-nano spheres, 2 to 3 parts of trimethoxy (1H, 1H, 2H, 2H-13 fluorine n-octyl) silane, 1 to 2 parts of epoxy resin and 1 to 2 parts of curing agent. The preparation method comprises the following steps: preparing a covalent cross-linked lignin micro-nano sphere turbid liquid, preparing a lignin micro-nano sphere turbid liquid with low surface energy, preparing a super-hydrophobic adhesive prefabricated liquid, and coating a film. The lignin-based super-hydrophobic coating has the advantages of being low in cost, environmentally friendly, excellent in super-hydrophobic performance and the like, is a novel super-hydrophobic material and has good use value and application prospects, and the preparation method of the lignin-based super-hydrophobic coating has the advantages of being simple in process, mild in preparation condition, low in cost and the like, conforms to the green chemistry concept, is suitable for large-scale preparation, and is onvenient for industrial application.

The invention provides a modified redispersible emulsion powder. The modified redispersible emulsion powder is made by adding 1.5-2 parts of a coupling agent into 20-35 parts of a plasticizer, stirring at 100-200 r/min for 5-8 min, adding 0.3-1 part of a dispersant, and continuing stirring for 5-10 min; adding 35-55 parts of redispersible emulsion powder into a mixed solution, and stirring at 500-1000 r/min for 10-15 min; finally, adding 7-43.2 parts of an adsorbent into a horizontal stirrer, stirring slowly at 30-80 r/min, spraying a mixture evenly with a high-pressure spraying apparatus under 0.3-0.5 MPa into the stirrer, and stirring for 15-20 min to obtain the modified redispersible emulsion powder. The plasticizer is one or any of an epoxy ester plasticizer, a glycerol triacetate plasticizer, a polyol ester plasticizer, and a citrate plasticizer, and the coupling agent is a titanate coupling agent and/or a silane coupling agent. The modified redispersible emulsion powder can replace EVA (ethylene-vinyl acetate copolymer) powder and acrylic acid powder presently widely applicable in ceramic tiles and EPS\XPS plate adhesive mortar, can also be used with these powders and has the advantages of low addition, high adhesive strength and good water tolerance.

The invention discloses an adhesive special for sand aerated concrete boards and a preparation method of the adhesive. The adhesive comprises, by weight percentage, 25-30% of Portland cement, 50-58% of quartz sand, 15-20% of sand aerated concrete board waste, 1.5-2.0% of redispersible latex powder, 0.1-0.3% of hydroxypropyl methyl cellulose ether, 0.1-0.3% of wood fibers, 0.04-0.08% of starch ether and 0.1-0.2% of polypropylene fibers. The adhesive is good in water-retaining property and adhesive property, small in shrinkage ratio, high in crack resistance and less prone to interface crack generation, the recycled sand aerated concrete board waste is used as the raw material, and consistency with the color of a wall after filling is achieved.

The invention discloses steel part cyanide-free electroplating tin bronze electroplating liquid. Components comprise 12 g/L-17 g/L of Cu<2+>, 240 g/L-280 g/L of potassium pyrophosphate, 1.5 g/L-2.5 g/L of Sn<2+>, 30 g/L-50 g/L of disodium hydrogen phosphate or dipotassium phosphate, 5 g/L-10 g/L of sodium citrate and 30 g/L-40 g/L of nitrilotriacetic acid. A preparation method of the steel part cyanide-free electroplating tin bronze electroplating liquid comprises the following steps that 1, the potassium pyrophosphate and one half of the disodium hydrogen phosphate or dipotassium phosphate are dissolved in hot water; 2, the potassium pyrophosphate is dissolved; 3, the nitrilotriacetic acid is dissolved through sodium hydroxide and added into mixed liquid, and the other half of the disodium hydrogen phosphate or dipotassium phosphate is added; 4, the pH value of a solution is adjusted to 8.3-8.8, and a plating solution is filtered; 5, a pure cooper plate is adopted as an anode of the plating solution, a waste steel plate is adopted as a cathode of the plating solution, an electrolytic tank is formed, electrolysis is firstly carried out for three to four hours, and then stannous pyrophosphate is added with stirring while electrolysis is carried out.

The invention relates to a phenyl-series high-refractive-index LED loading glue and a preparation method thereof. The phenyl-series high-refractive-index LED loading glue is characterized by being prepared by mixing an A composition and a B composition according to the mass ratio of 1:1-10, wherein the A composition is prepared by mixing vinyl-containing polysiloxane and a catalyst according to the mass ratio of 30-60:1, and the B composition is prepared by mixing hydrogen-containing polysiloxane and an inhibitor according to the mass ratio of 30-60:0.5. The invention discloses the synthetic technology for a power-type LED packaging organic silicon material. The obtained LED packaging glue has relatively high refractive index, light transmittance, extensibility, tensile strength and bonding intensity, and is capable of improving the luminescent efficiency of LED as well as prolonging the service life of LED.

The invention discloses rubber used for a rubber footwear foxing strip tackifying layer and a preparation method thereof. The rubber used for the rubber footwear foxing strip tackifying layer is prepared and obtained by virtue of optimized combination and technology, and the rubber used for the rubber footwear foxing strip tackifying layer can greatly improve bonding performance of a rubber footwear foxing strip and an upper material. The rubber disclosed by the invention is good in bonding strength, so that definition of patterns of the foxing strip is guaranteed, and appearance quality of rubber footwear is improved. The preparation method disclosed by the invention is simple and easy for industrialization.

The invention relates to a preventive 650 flexible putty and a preparation method thereof, wherein the flexible putty comprises the following components and contents (wt%): 20-25 of water, 10-15 of styrene-acrylate emulsion, 0.4-0.6 of antifoaming agent, 22-25 of calcium carbonate, 38-42 of talcum powder and 1-2 of thickening agent. Compared with the prior art, the invention has the following advantages that: (1) the invention has good bonding strength when being bonded with various materials, higher compression resistance, bending resistance and pull-off strength as well as anti-permeability and waterproofness; (2) the preventive 650 flexible putty has flexibility after solidification, can correct the microdeformation of buildings and small cracks on wall surfaces, and reduces the influence of base materials on coating to the maximum extent; (3) the preventive 650 flexible putty is innoxious, tasteless and non-combustible, and has strong preventive performance; and (4) the preventive 650 flexible putty facilitates the construction, and has good durability and moderate price.

The invention discloses a multi-purpose adhesive which mainly consists of a polyether prepolymer, a filling material and aids, wherein the polyether prepolymer is prepared from polyether polyol of which the molecular weight is 50-600, polyether polyol of which the molecular weight is 1000-20000, and polyester through polymerization with a catalyst. The invention further discloses a multi-purpose flame-retardant adhesive which mainly consists of the polyether prepolymer, a flame-retardant composition and aids. The product contains no solvent, is environmental-friendly, is low in toxicity, goodin ultralow temperature resistance, high in adhesion strength, high in oxygen index, good in flame retardancy, free of chemical raw materials which are 'forbidden for use' and ' restricted for use' byinternational chemical associations, and is applicable to adhesion and sealing of various polar and nonpolar substrates.

The invention belongs to the technical field of building materials, and concretely discloses protective surface mortar. The protective surface mortar comprises the following components, by mass: 200-450 parts of cement, 350-750 parts of fine sand, 10-40 parts of redispersible latex powder, 10-50 parts of heavy calcium carbonate, 1-5 parts of polypropylene short fibers, 1-8 parts of hydroxypropyl methyl cellulose, 1-15 parts of a water reducer and 1-8 parts of a polymer water repellent. The protective surface mortar of the invention has good bonding strength, flexibility and water resistance, is convenient in construction, non-toxic, green and environmentally friendly, and can be applied to an external wall insulation system to effectively reduce wall cracking, water leakage, peeling, stripping, falling off and the like.

The invention discloses adhesive oil glue for cloth bonding, which consists of the following raw materials in parts by weight: 100 parts of polyurethane resin, 40-55 parts of butanone, 1-3 parts of an accelerant and 10-15 parts of a bridging agent. With perfect bonding strength, the adhesive oil glue disclosed by the invention can effectively enhance the stability of the product and improve the properties of the product; meanwhile, the operation is simple, and the production cost is reduced; and the adhesive oil glue meets the operation requirements in relatively extreme or hostile environment, has good toughness and can be widely applied to the field of spinning.

The invention provides an antistatic PA/ABS (polyamide/acrylonitrile butadiene styrene) compound, a method for preparing the same and application of the antistatic PA/ABS compound. The antistatic PA/ABS compound comprises, by weight, 10-50 parts of nylon resin, 40-80 parts of ABS resin, 2-10 parts of compatilizers, 1-10 parts of bonding and modifying agents, 0.1-0.5 part of bonding and modifying synergists, 10-15 parts of antistatic agents, 0.1-2 parts of anti-drip agents and 0.1-3 parts of auxiliaries. The antistatic PA/ABS compound, the method and the application have the advantage that theantistatic PA/ABS compound is excellent in mechanical property and bonding strength and high in stability.

The invention discloses a limestone-simulation color-dot coating. The coating comprises 591 parts by weight of water, 1.5 parts by weight of a preservative, 4 parts by weight of 250HBR, 1.5 parts by weight of a defoaming agent, 4 parts by weight of a dispersant 5040, 1 part by weight of X405, 50 parts by weight of titanium dioxide, 60 parts by weight of 1250-mesh heavy calcium, 200 parts by weightof putty powder, 10 parts by weight of propylene glycol, 1 part by weight of AMP-95, 4.5 parts by weight of a coalescing agent, 70 parts by weight of RS-998A and 1.5 parts by weight of an A10 defoaming agent. The coating provided by the invention has good bonding strength, crack resistance, surface adhesion and wear resistance, is suitable for popularization, has a texture of natural limestone when coating a wall surface, has a strong decorative property and a high simulation degree, and has the characteristics of weather resistance, water resistance, alkali resistance and the like.

The invention belongs to the technical field of line pipe landfill, and discloses a line pipe pre-embedded construction technology. The line pipe pre-embedded construction technology comprises an interface painting module, a closed and caulking module, a roughening processing module, a positioning and setting-out module, a vertical height pole wire-hanging module, and a wall masonry module. The line pipe pre-embedded construction technology adopts epoxy mortar as a sealing material, and as the epoxy mortar is water-free, the possibility of generating desiccation fissure of hydraulicity sealingmaterials such as ordinary mortar is effectively avoided; and epoxy resin has good bonding strength, tensile strength and toughness. At the same time, the line pipe pre-embedded construction technology has the beneficial effects that the construction of building blocks can be synchronized with pre-embedding hydropower pipelines, so that a pipe line runs freely in a wall, post-cutting of the wallis not needed, gouge carving for burying the pipe line is not required, the quality of masonry construction can be guaranteed, wall decoration does not crack easily, the construction speed is accelerated, and the cost is reduced.

A fiber optic cable comprises a core subassembly comprising at least one optical fiber and a tube surrounding the optical fiber. A multi-layered jacket surrounds the core subassembly, wherein the jacket comprises an inner layer comprising a flame retardant (FR) material and an outer layer comprising a non flame retardant material having a lower coefficient of friction than the flame retardant material. A method of manufacturing an optical fiber cable includes providing a core subassembly and co-extruding a multi-layered jacket around the core subassembly, wherein the multi-layered jacket includes an inner layer comprising a flame retardant (FR) material and an outer layer comprising a non flame retardant material having a lower coefficient of friction than the flame retardant.

The invention provides a TPU adhesive film. The TPU adhesive film is prepared from the following raw materials in percentage by weight: 75-83% of TPU particles 69M92, 8-15% of TPU particles with the trademark of Reyan 702, 4-10% of TPU particles WHT6232, 0.2-2% of an ultraviolet light absorber and 0.1%-0.5% of an antioxidant; the preparation method of the TPU adhesive film comprises the following steps: (1) burdening, (2) mixing, (3) dehumidifying and drying, (4) plasticizing and extruding, (5) blow molding and shaping, (6) cooling and (7) packaging, and has the advantages of being easy to process, good in bonding strength and good in antioxidant effect.

The invention provides a flame-retardant PC/ABS composite and a preparation method and application thereof. The composite comprises the following components in parts by weight: 10-50 parts of PC resin; 30-80 parts of ABS resin, 2-10 parts of a compatilizer, 8-15 parts of a brominated flame retardant, 1-5 parts of a flame-retardant synergist, 1-10 parts a of a bonding modifier, 0.1-0.5 part of a bonding modifying synergist and 0.1-3 parts of an auxiliary agent. The flame-retardant PC/ABS composite disclosed by the invention is excellent in mechanical property, and the flame-retardant rating reaches UL94@1.5-3.0mm V-0.

The invention discloses conductive rubber shoe sponge insole cloth scraping rubber cement and a preparation method and application thereof. The rubber cement comprises, by weight, 60-80 parts of 2# standard rubber, 20-40 parts of rosin butadiene-styrene rubber, 10-20 parts of high styrene, 35-45 parts of calcium carbonate, 50-70 parts of aluminum powder, 5-10 parts of engine oil, 5-10 parts of mildew preventive DC-F, 3-5 parts of active zinc oxide, 5-7 parts of stearic acid, 1.5-2.5 parts of antistatic agent, 6-7 parts of promoter and 3-5 parts of sulfur, wherein a ratio of rubber to gasolineis 1:1.2-1.4 parts. A formulation and the preparation method of the rubber cement are screened and optimized, so that the defects of conventional rubber cement are improved, the rubber cement has conductivity and is nontoxic and environment-friendly on the premise of high bonding strength, and production quality can be improved. The preparation method is simple in production process, extensive inmaterial source and low in cost, and the rubber cement is good in using effect and suitable for industrial production.

The invention discloses an adhesive composition and an optical member using the same. The adhesive composition has an excellent production rate and the excellent anti-light leakage property as a hard adhesive composition without additional procedures. The adhesive composition also has the surface resistance of 108 to 1012 angstrom/sq, and the difference in brightness ([Delta]L) between an edge part and a center part. The difference is calculated by the formula of [Delta]L = [(a+b+d+e)/4]-c and is higher than 0 and is less than 1. In the formula, each of a, b, d, and e is the average luminance on site corresponding the 1/16 of total surface from an end part of each side of an optical element, and c is the average luminance of 1/32 of the surface of a center part in the optical element.

The invention provides an antistatic PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) compound as well as a preparation method and application thereof. The antistatic PC/ABS compound is preparedfrom the following components in parts by weight: 10 to 70 parts of PC resin, 20 to 80 parts of ABS resin, 2 to 10 parts of a compatilizer, 1 to 10 parts of a bonding modifier, 0.1 to 0.5 part of a bonding modification synergist, 10 to 15 parts of an antistatic agent and 0.1 to 3 parts of an auxiliary agent. The antistatic PC/ABS compound provided by the invention has excellent mechanical properties, excellent bonding strength and high stability.