264results about How to "good adhesion" patented technology

The invention discloses a heat-resisting organic silicon antiseptic inner tank coating which comprises the following components in part by mass: 5-30 parts of organic silicon resin, 5-15 parts of modified organic silicon resin, 1-5 parts of amino resin, 0-18 parts of epoxy resin, 0-8 parts of phenolic resin, 11-43 parts of antiseptic pigment, 8-20 parts of filling material and 4-22 parts of solvent. The heat-resisting organic silicon antiseptic inner tank coating has good heat resistance and can work for long term at the high temperature of 350 DEG C; the coating has good adhesion force, good corrosion resistance and excellent performance; and a coating film still has good corrosion resistance after working at high temperature.

A method for forming a randomly textured surface on an implantable device such as soft tissue prosthesis. The textured surface has numerous cavities, interstices and passageways or tunnels and is thus referred to as a microporous surface texture. The surface is formed by two or more applications of polymeric particles and a polymeric dispersion.

The invention relates to organic silicon resin, in particular to a method for preparing hydroxyl-terminated hyperbranched polyester modified organic silicon resin. The method comprises the following steps of: adding 40 to 60 weight percent of hydroxyl-terminated hyperbranched polyester, 40 to 60 weight percent of organic silicon resin and a cross linking catalyst into a reactor; after heating the mixture for 1 to 3 hours at the temperature of 110 to 120 DEG C, warming to the temperature of 150 to 180 DEG C and heating for 1 to 3 hours; and finally, reducing the temperature to the room temperature and adding an organic solvent to regulate the solid content to the range of 60 to 70 percent so as to obtain the hydroxyl-terminated hyperbranched polyester modified organic silicon resin. The method combines the advantages of the hydroxyl-terminated hyperbranched polyester with the organic silicon resin and excellent heat resistance, low surface energy, excellent boiling resistance and excellent salt fog resistance are obtained. The resin prepared by the method disclosed by the invention can be used for preparing a coating with high temperature resistance and low surface energy.

The present invention relates to photovoltaic modules backsheets (10) on base of preferably high molecular weight, impact resistant, shrinkage and thermal (flow) resistant FPP (Flexible Polypropylene) compositions preferably containing functional particles or being coextruded with a primer adhesive layer (13a) to obtain highly reliable adhesion on EVA adhesive layers (5). In one embodiment, the backsheet (10) has a functional PO adhesive layer (13b) allowing direct adhesion to cells back-contacts, i.e. without the use of an EVA adhesive layer (5). In a further embodiment, the backsheet (10), with functional PO adhesive layer (13b), allows the use of an upper adhesive layer (2) which is a surface functionalized transparent TPO film.

The invention provides acid alcohol resin for light-smell dope, which comprises the following components in parts by weight: 13.4-26.5 parts of vegetable oil, 9.6-23.4 parts of polyhydric alcohol, 0-16 parts of dihydric alcohol, 16.6-40 parts of diacid, 0.01-0.02 parts of catalyst and 18.4-38 parts of solvent. The alkyd resin is synthesized by the pure natural vegetable oil, and the used vegetable oil is basically free from free fatty acid, so that unpleasant smells such as an acid smell cannot be generated; after two-component polyurethane paint or nitrolacquer prepared by the alkyd resin is applied on the surface of wood for 24h, a light-smell effect or an odorless effect can be achieved; and the two-component polyurethane paint or the nitrolacquer prepared by the alkyd resin is good in paint film ply adhesion and levelling property, high in rigidity, and stable in luster.

A method for forming a composite barrier layer that also functions as an etch stop in a damascene process is disclosed. A SiC layer is deposited on a substrate in a CVD process chamber followed by deposition of a silicon nitride layer to complete the composite barrier layer. The SiC layer exhibits excellent adhesion to a copper layer in the substrate and is formed by a method that avoids reactive Si⁺⁴ species and thereby prevents CuSi_X formation. The silicon nitride layer thickness is sufficient to provide superior barrier capability to metal ions but is kept as thin as possible to minimize the dielectric constant of the composite barrier layer. The composite barrier layer provides excellent resistance to copper oxidation during oxygen ashing steps and enables a copper layer to be fabricated with a lower leakage current than when a conventional silicon nitride barrier layer is employed.

The invention discloses a foamable hot melt adhesive compound. According to parts by weight, the prescription of the foamable melt adhesive compound comprises: 10 to 65 portions of polythene, 5 to 20 portions of modified polyvinyl, 5 to 60 portions of EVA, 0.1 to 15 portions of foaming agent, 0.02 to 2 portions of blowing promoter, 0.1 to 0.8 portion of cross linker and 0.5 to 5.0 portions of other accessory ingredients. The foamable melt adhesive compound can be applied to preparing halogen-free and anti-flaming aluminum-plastic composite panels. The product overcomes the defects of the existing pure polythene core materials and halogen core materials and provides a halogen-free and anti-flaming core layer material which has innocuity, harmless and high heat pressing sticking intensity and is used for fire-proof aluminum-plastic composite panels, with anti-flaming performance achieving grade B1; the sticking intensity between the obtained aluminum-plastic composite panels and aluminum panels can achieve more than 135N/25mm, thus reducing the steps of using glue films for compounding; besides, the aluminum-plastic composite panels produced by utilizing the invention have the characteristics of small density, good anti-flaming performance as well as good temperature preservation, sound isolation and heat isolation effects.

A separator for a lithium battery includes a porous substrate and a coating layer on at least one side of the porous substrate, the coating layer having a first side adjacent to the porous substrate, and a second side opposite the first side. The coating layer may include an inorganic compound and a polymer binder, and an amount of the polymer binder at the second side is greater than an amount of the polymer binder at the first side. A rechargeable lithium battery includes the separator.

The invention provides a coating composition for use with metallic substrates that provides desirable levels of adhesion to metal, sandability without the production of harmful dust, corrosion resistance, and recoatability. The coating composition of the invention comprises a polyurethane film-forming component, and a corrosion protection component present in the composition in an amount effective in minimizing corrosion and adhesion loss of the coating at the substrate. A cured film of the coating applied to metallic substrates, previously coated substrates, as well as plastic substrates has improved corrosion resistance following Salt Spray Cabinet exposure.

The invention relates to an ultraviolet curing anti-drag paint in steel pipes. Epoxy acrylate and polyester acrylate are combinedly used as prepolymers, and phosphate-modified acrylate resin is used as an adhesion promotor, thereby greatly increasing the adhesion; a mixture of two or three of tripropylene glycol diacrylate, isobornyl acrylate and ethoxylated trimethylolpropane triacrylate is selected as an active monomer, and multiple functional group monomers are selectively added for compounding, thereby simultaneously satisfying curing speed, hardness, adhesion, flexibility and other requirements; multiple initiator compounding systems are adopted so as to simultaneously implement curing on the surface layer and deep layer; the paint provided by the invention has favorable mechanical properties and chemical resistance on a steel substrate; after coating, the surface is very smooth, has favorable anti-drag effect, can effectively enhance the salt fog resistance and corrosion resistance of the coating and the transmission efficiency of the pipeline, and can be widely used in anti-drag corrosion prevention in transmission pipelines in the fields of oil transmission, gas transmission, water supply and drainage, and the like.

A silicone resin containing disilyloxane units and siloxane units having the form of particles; a silicone composition containing a silicone resin; a coated substrate comprising a cured product or an oxidized product of a silicone resin; and a reinforced silicone resin film.

An electric display device of the type wherein a dispersion liquid (40) comprising at least a dispersion medium and electrophoretic particles (50) is disposed in a space defined by a substrate (10), a partition wall (20) disposed on the substrate, and a sealing film (30) disposed on an upper end portion (90) of the partition wall is produced through a process including a step of disposing a sealing film precursor (120), comprising a polymerizable compound, supported by a supporting member (130) on both an exposed surface of the dispersion liquid and at least a part of the upper end portion (90) of the partition wall (20) in a state that the dispersion liquid is filled between adjacent partition walls, and a step of polymerizing the polymerizable compound to form the sealing film (30).

A method of connecting (fixedly joining/attaching) a shaped metal part and a shaped thermoplastics part together is disclosed. The method includes: (a) contacting a surface of the shaped metal part with a surface of the shaped thermoplastic part, thereby forming a contact region; and (b) melting a portion of the shaped thermoplastic part in the contact region by irradiating the shaped metal part with a laser (e.g., emitting a laser beam), thereby fixedly joining the shaped metal part and said shaped thermoplastic part together. Also disclosed is a plastic/metal composite article prepared by the method of the present invention.

The present invention belongs to the field of ink, and in particular relates to highly wear-resistant PU ink for silicone rubber surface. The raw materials comprise hydroxyl-terminated polyurethane resin, curing agent, and mixed solvent. Moreover, the raw materials still comprise wear-resistant additives. The wear-resistant additives can be one of or the mixture of a plurality of polytetrafluoroethylene, polypropylene, polyethylene, polyethylene oxide, zinc oxide, alumina oxide, iron oxide, zirconium oxide, magnesium oxide, calcium carbonate, talc, silica aluminum, and magnesium silicate. With the proposal of the present invention, the suitable polyhydroxylated PU resin, curing agents and filler are used to prepare PU ink for silicone rubber of convenient construction, reduction of priming payer of middle coating, good adhesion and excellent wear resistance.

The invention discloses a biomedical adhesive for crosslinking reaction with wound skin tissues and a preparation method thereof. The biomedical adhesive is prepared by a method with following steps of firstly, using sodium periodate and oxidized sodium alginate to prepare dialdehyde sodium alginate, dialyzing, drying, and dissolving a product into an MES (methyl ester sulfonate) buffer solution; then, adding carboxymethyl chitosan, stirring and reacting for 6-12h, sequentially adding a certain amount of N-hydroxy succinimide, 1-(3-dimethylamino propyl)-3-ethylcarbodiimide hydrochloride and dopamine, continuing to stir and react for 8-24h under the nitrogen protection, dialyzing, freeze-drying, and storing in the shade and dry area. Before use, a wound is pretreated by hydrogen peroxide, the freeze-drying adhesive is dissolved by a PBS (poly butylenes succinate) buffer solution, and is immediately coated to the wound, and the wound can be adhered within 2-10min. The biomedical adhesive has the advantages that the adhering strength in the in-vitro wetting environment is stronger, the biocompatibility is good, the biodegradation is realized, and the curing of wounds is effectively promoted.

A method of forming an interconnect structure is provided. The method includes depositing a cobalt metal layer in an interconnect opening formed within a dielectric material containing a dielectric reactant element. The method further includes, in any order, thermally reacting at least a portion of the cobalt metal layer with at least a portion of the dielectric material to form a diffusion barrier containing a compound of the reactive metal from the cobalt metal layer and the dielectric reactant element from the dielectric material, and forming a cobalt nitride adhesion layer in the interconnect opening. The method further includes filling the interconnect opening with Cu metal, where the diffusion barrier and the cobalt nitride adhesion layer surround the Cu metal in the interconnect opening.

Provided is a circuit board being composed of at least a thermoplastic liquid crystal polymer film and an adhesive layer containing a polyphenylene ether-based resin, the circuit board capable of being formed or shaped at a low temperature, and a method of manufacturing the same.

The thermoplastic liquid crystal polymer film constitutes at least one circuit board material selected from the group consisting of an insulating substrate, a circuit layer material and a coverlay. The film is laminated to another circuit board material via the adhesive layer. The glass transition temperature of the adhesive layer is in a range from 200° C. to 300° C.

The invention relates to a double-sided adhesive tape, and specifically relates to the double-sided adhesive tape used for a solar cell assembly and a preparation method thereof. The double-sided adhesive tape comprises a substrate, an adhesive, a backlining and backlining glue, wherein the adhesive mainly comprises the following components of, by weight, 0.5-1 part of ammonium sulfate, 5-10 parts of methyl methacrylate, 55-65 parts of butyl acrylate, 20-30 parts of hydroxymethyl acrylamide, 1-2 parts of a composite emulsifier, 60-70 parts of a tackifying resin, 0.2-0.8 part of acrylic acid, 1-2 parts of hydroethyl methacrylate, 1-1.5 parts of 2-acrylamide-2-methylpro panesulfonic acid and 1-3 parts of 3-(methacryloxy)propyltrimethoxysilane. The preparation method comprises the steps of firstly pre-preparing a high-strength organosilicone and acrylate co-polymeric emulsion pressure-sensitive adhesive; and then performing operations of double roll reverse coating, drying, compositing, transferring and the like with a B-50 multifunctional coating machine, wherein both the font side and the back side of the backlining of the substrate are already coated by a layer of low-adhesivity backlining glue.

The invention discloses water-based tackifier resin emulsion, which comprises the following raw materials in part by mass: 0 to 50 parts of modified abietic resin, 0 to 50 parts of liquid abietic resin, 0 to 50 parts of liquid terpene resin, 30 to 42 parts of water, 2 to 25 parts of dispersing agent, and 2 to 10 parts of surfactant. The modification of the abietic resin is realized by steps of disproportionation or hydrogenization of resin acid in the rosin and esterification or double bond addition by using polyatomic alcohol; and the mass parts of the modified abietic resin, the liquid abietic resin and the liquid terpene resin are not 0 at the same time. The prepared water-based tackifier resin emulsion has better adherence and dispersibility, is environment-friendly and has no harm toa human body.

The invention relates to a water-based binder for automotive interior parts and a preparation method of the water-based binder. The water-based binder is prepared from a soft monomer, a hard monomer, a functional monomer, an emulsifier, a buffer agent, an initiator, a pH modifier and distilled water in a polymerization manner at a certain temperature according to a certain ratio. With water as a medium, the water-based binder is safe and environment-friendly, TVOC of the water-based binder is less than 50mu g C/g, the formaldehyde emission is less than 1mg/kg, and is far lower than that of the national standard; the water-based binder is good in binding power on various interior materials such as non-woven fabrics, and high in peel strength, is a single-component binder, is convenient to use without adding a curing agent, can be directly used, can also be used step by step, is free of stringent requirements on initial drying temperature and secondary activation temperature, and is free of toxicity, safe and sanitary in the use procedure, free of corrosivity on human skin, simple in preparation process, and low in preparation cost due to one-time polymerization; the bonding strength of the decorative fabric and a substrate is 299N/5cm in a delivery condition, is 174N/5cm after resisting heat, is 98N/5cm after resisting moisture, and is 82N/5cm after resisting cold; the total haze value of an adhesive film is 1.7mg; and the odor of the adhesive film is 2.

The invention relates to a non-cyanide silvering brightener and a plating solution thereof. The non-cyanide silvering brightener uses water as solvent and comprises the following main components: 10-20g/L of sodium dodecyldibenzenesulphonate, 15-30g/L of beta-naphthol ethoxylate, 0.8-2g/L of hydroxyethyl ethylenediamine triacetic acid (HEDTA), 0.5-3g/L of potassium dihydrogen phosphate, 5-15g/L of urea, 3-18g/L of polyethylene glycol, 40-80g/L of sulfur-containing heterocyclic compound and 5-15g/L of nitrogen-containing carboxylic acid. The brightener of the invention does not contain cyanide, the mirror surface of the coating is bright, the same effect of cyanide-containing silvering can be realized; the performance tests of the coating show that the color of the coating obtained by using the non-cyanide bright silvering plating solution of the invention is difficult to change, and the coating has low brittleness and good adhesive force and can meet the requirements on coating in different application aspects.

The present invention provides an ink suitable for printing with a drop-on-demand ink-jet printer, said ink comprising a colorant, a polymerized fatty acid-based polyamide and a solvent which, taken separately from the ink composition, comprises at least 20% by weight of one or more components containing a single hydroxyl, carbamide, or amide group, said components each having a total of from 5 to 11 atoms of carbon, nitrogen, and oxygen.

The invention provides a method for preparing phenolic resin from phenols residues serving as raw materials and belongs to the technique field of the treatment and comprehensive utilization of phenols residues. In the method, based on the effective functional groups of various compounds in phenols residues, a series of chemical reactions are performed to convert the phenols residues into the phenolic resin which can be industrially and directly used for preparing corresponding coatings; and thus, the zero waste emission of phenols product production is realized, the problem of phenols pollution is solved radically, and the effect of comprehensively controlling and recycling waste is achieved. Meanwhile, the quality of the produced coating products is higher than that required by the conventional industrial standards, but the production cost is lower than those of conventional coating products. The method has the characteristics of simple production process, low equipment investment requirement, high practicability, low comprehensive cost, and obvious economic benefit.

The invention discloses a photo-cured resin, a hydrophilic lubricating coating and a preparation method of the photo-cured resin. The photo-cured resin can be prepared by adopting a method of carrying out crosslinking copolymerization on polymerizable diphenyl ketone photo-initiator and a vinyl pyrrolidone monomer under the action of an acrylamide cross-linking agent; a photo-cured hydrophilic lubricating coating can be obtained through compounding the resin. The photo-cured resin is capable of overcoming the disadvantages of residue, volatilization and migration of micro-molecular photo-initiators in coatings, has excellent biological safety and compatibility, and is suitable for the medical field. The hydrophilic lubricating coating has a cross-linking structure, so that the hydrophilic lubricating coating not only has good adhesive force on the surfaces of medical catheters, but also has excellent lubricity when wet, thereby reducing the friction coefficients of the surfaces of the medical catheters, decreasing the harm to the human tissues, and decreasing the adhesion of the macro-molecules in the blood. The hydrophilic lubricating coating is applied to medical catheters in a photo-curing manner; compared with the traditional curing manner, the photo-curing manner has the advantage of greatly shortening the curing time so as to greatly improve the production efficiency.

A waterproof and anti-cracking building exterior wall coating comprises base material, filler and an antibacterial agent and is characterized in that the base material is polyvinyl alcohol, bisphenol An epoxide resin, aluminium silicate powder, oyster shell whiting, methylcellulose, glass microballoon, fiber glass, nanometer silicon dioxide, antibacterial agent and antifoaming agent, the filler is calcium carbonate and the antibacterial agent is calcium sulphate crystal whisker artificially growing. By virtue of methyl silica high polymer formed after the reaction between heated silicate and organosilicone, the coating can form the binding of chemical bonds when being coated on the rigid surface of a concrete wall, with the fastness being far superior to that of the physical covering of a conventional coating; in the coating, nanometer silica powder and calcium sulphate crystal whisker are also adopted as the antibacterial agent, therefore, the coating has good effect on inhibiting and killing bacteria, fungus and mycete and is characterized by good waterproof and anti-cracking performance, no bubbling and cracking and good adhesive force.

The invention refers to a flexographic printing process with wet on wet capability based on controlled polymer or polymer segment precipitation that leads to gel formation of ink compounds by controlling the solubility parameter of the ink system. The mechanism to obtain a desirable wet on wet color trapping is the formation and/or presence of a gel in the applied ink film due to a controlled physicochemical mechanism of resin precipitation. This is accomplished either by controlling a change in the Hansen Solubility Parameter of the liquid in the ink through evaporation of some or all of a non-reactive and volatile solvent, or alternatively by use of a polymer comprised of two distinct and separate segments one of which is soluble in the monomer/oligomer mix and the other of which is not. The insoluble segments form a reversible gel that is broken to a liquid by shear in the application process, allowing application of a liquid ink, and is reestablished in the applied ink film in such a manner and with such strength as to allow overprinting in the wet on wet flexographic printing process.

A aqueous resin composition is used in the invention which is obtained by emulsion polymerization using a polymerizable unsaturated monomer (b) in the presence of an aqueous resin dispersion (A) comprising an acid-modified polyolefin (a), an ether-based solvent and a basic substance. Also, an aqueous coating composition comprising an aqueous resin dispersion (B) obtained by emulsion polymerization of a polymerizable unsaturated monomer (b) in the presence of an aqueous resin dispersion (A) containing an acid-modified polyolefin (a), an ether-based solvent and a basic substance, with resin beads (C), wherein the content of resin beads (C) is 1-30 parts by mass with respect to 100 parts by mass of the total resin solid content of the coating material. The composition has excellent adhesion for plastic bases and allows formation of coated films with excellent water resistance, stain resistance, damage resistance and solvent resistance.

The invention relates to environmentally-friendly mercerizing polyurethane white paint used for environmentally-friendly woodware and metal, consisting of a component A, a component B and a component C that are mixed evenly by weight ratio that component A: component B: component C is equal to 1: 0.4 to 0.6: 0.5 to 0.6 when in use. The component A is obtained from the following ingredients by weight ratio: coconut oil alkyd resin, 45 to 55 parts; propylene glycol methyl ether propionate, 2 to 5 parts; n-butyl acetate, 3 to 6 parts; dispersing agent, 0.3 to 0.5 part; Tian-shuang brand anion auxiliaries, 1 to 2 parts; titanium dioxide, 30 to 40 parts; extinction powder, 5 to 7 parts; anti-yellow auxiliaries, 1 to 3 parts; Lubrizol 1400SF, 1 to 3 parts; Tian-shuang brand deodorant, 0.2 to 0.5 part; defoamer, 0.2 to 0.5 part; and leveling agent of 0.3 to 0.5 part. The component B is obtained from the following ingredients by weight ratio: n-butyl acetate, 30 to 50 parts; HDI trimer poly isocyanate, 22 to 30 parts; and HDI-TDI trimer, 30 to 40 parts. The component C is obtained from the following ingredients by weight ratio: n-butyl acetate, 75 to 85 parts; and propylene glycol methyl ether propionate, 15 to 25 parts. The environmentally-friendly mercerizing polyurethane white paint used for woodware and metal of the invention has the advantages of: 1. strict selection, ultra-low-free TDI and low odor; 2. good product adhesion, good flexibility and good anti-cracking and anti-shedding performance; 3. high white coating, excellent anti-yellowing performance, good hiding power, good fullness and high delicate touch; 4. good construction performance, fast low-temperature drying, surface drying at room temperature for 25 minutes, brush painting or spray painting, convenient grinding, substrate settlement workload reduction, and production efficiency improvement; and 5. negative ions release.

The invention provides a foam double-sided tape and a preparation method and application thereof. The foam double-sided tape comprises a base material and a pressure sensitive adhesive layer compounded at two sides of the base material. The base material is a stretchable foam layer with at least a stretchable film compounded at one side thereof. Elongation at break of the stretchable film is greater than 300%, and tensile strength is greater than 10 MPa; elongation at break of the stretchable foam layer is greater than 300%, and tensile strength is greater than 1 MPa. Elongation at break of the pressure sensitive adhesive layer is 150-3000%, tensile strength is 1MPa-30MPa, and 180-degree peel strength is greater than 5N/25mm. By the adoption of the functional layer with specific performance parameters, good interaction is realized under a specific structure, and the foam double-sided tape has excellent adhesion, excellent resistance to curved surface and warp, good buffer performance and excellent shear resistance, has high adhesion and die cutting performance to various surfaces of glass, PC, stainless steel, ABS, etc., can be removed tracelessly from various surfaces by simply stretching the whole tape, and is applicable to bonding and assembling of components of electronic products.

The invention discloses a SiC fiber reinforced polyurethane series skid-resistant coating and a preparation method thereof. The skid-resistant coating is prepared from a component A, a component B, a component C, and other components through mixing, wherein the component A comprises polytetramethylene ether glycol, liquidated MDI, and E44 type epoxy resin; the B component comprises SiC short fiber, Al2O3 and a surface modifier; the component C comprises liquidated MDI, a chain extender, BaSO4, titanium dioxide and talcum powder; other components comprise a diluent, a defoaming agent and a levelling agent. The preparation method comprises the following steps: all components in the component A are mixed, so that the component A is prepared; all components in the component B are mixed, so that the component B is prepared; the component B, which accounts for 3-8% of the component C is mixed with the component C, and other components are added into the mixture so as to obtain a component D; finally, the component A and the component D are mixed according to the mass ratio of 1: (1-1.1), so that the skid-resistant coating is prepared. The skid-resistant coating disclosed by the invention is high in friction coefficient and adhesive force, excellent in comprehensive performance at low temperature and simple in preparation method.