203results about How to "Fast adhesion" patented technology

A zinc acrylate particle composition which is substantially fine and, even when kneaded with a rubber composition, is capable of being uniformly dispersed and kneaded in a state very rarely inducing fast adhesion or agglomeration, a method for the production thereof, and a golf ball using the composition are provided. The zinc acrylate particle composition contemplated by this invention comprises zinc acrylate satisfying the conditions that the proportion accounted for by the zinc acrylate particles measuring not less than 300 μm in particle size as determined by the dry type method be not more than 20% by mass of all the particles, that the median of particle sizes as determined by the dry type method be in the range of 10-300 μm, and that the ratio of the median (A) of particle sizes as determined by the dry type method to the median (B) of particle sizes as determined by the wet type method exceed 2, and an anionic surfactant.

The invention discloses a biological adhesive which comprises a component a, and a component b, wherein the component a is a functional star polymer or / and a functional comb-like polymer, the functional star polymer is provided with one or more active groups, and the functional comb-like polymer is provided with one or more active groups; the component b is a functional polysaccharide which is provided with one or more active groups; and chemical reactions can be carried out between the active groups of the component a and the active groups of the component b so as to form novel chemical bonds. The invention further discloses a preparation method and application of the biological adhesive. The biological adhesive disclosed by the invention is a biocompatible adhesive (glue) formed by rapidly reacting the functional star polymer or / and comb-like polymer with lots of active groups and the functional polysaccharide. The adhesive based on the star polymer or / and comb-like polymer has a star or / and comb structure and has lots of active reactive groups, so that the gel forming reaction is fast, and the adhesive is reacted with tissues so as to realize an adhesive effect.

The invention discloses an uncured polyurethane waterproofing coating and a preparation method thereof, belonging to the technical field of polyurethane waterproofing coatings. The uncured polyurethane waterproofing coating is prepared from the following raw materials in percentage by weight: 13-20% of prepolymer, 30-65% of asphalt, 1.0-1.5% of latent curing agent, 3-15% of compatilizer, 2-9% of thermoplastic elastomer and 0-3% of powder stuffing, wherein prepolymer is a substance synthesized by reaction between polyether and isocyanate. The uncured polyurethane waterproofing coating mainly aims to improve the material proportion and polymerization process of polyurethane, and the problem that a hot-melted asphalt material is needed to be heated by using a machine is solved; the uncured polyurethane waterproofing coating is convenient in construction and good in flowability; the viscosity of the constructed material can be automatically enhanced, so that the constructed material can become an elastic plastic body and a favorable waterproofing layer without internal stresses; in addition, the uncured polyurethane waterproofing coating can be well bonded with a coiled material and can be compounded to be waterproof so as to form a waterproofing layer capable of overcoming tension fracture caused by basement layer cracking and preventing puncturing; the uncured polyurethane waterproofing coating is simple and convenient in process, rapid in construction, free of maintenance, high in working efficiency and capable of becoming the development direction of building waterproofing in the further.

The embodiment of the invention provides a fault location detection method, a fault location detection device, a storage battery assembly and a motor vehicle. In the scheme, a set load is started and lasts for a first preset time after a power interruption failure is detected to occur in an on-off control module under a strong electricity disconnecting instruction, a terminal voltage variation value of the set load and a terminal voltage variation value of each battery string are acquired within the first preset time, and if the terminal voltage variation value of a certain battery string is consistent with the terminal voltage variation value of the set load, a contact switch corresponding to the battery string is determined to break down. Under the condition of not additionally increasing any sensor, the location of a sintering or adhesion fault and the like can be determined accurately and quickly by using an existing detection component in a motor vehicle power system, so that the maintenance time and the maintenance cost are greatly reduced.

The invention discloses an all-solid low-energy-curing matte UV (ultraviolet) coating for a PVC (polyvinyl chloride) plastic and a preparation method for the UV coating. The coating contains the following components: 25-30% of special modified acrylic resin, 5-10% of urethane acrylate, 20-25% of high-functionality active monomers, 20-25% of a reactive diluent, 2-5% of a photoinitiator 1, 1-4% of a photoinitiator 2, 3-6% of a photoinitiator 3, 0.3-1.0% of a dispersant, 5-10% of extinction powder, 0.5-1.0% of wax powder, 0.1-0.5% of a defoamer and 0.1-0.5% of a leveling agent. The UV coating does not contain a solvent and can be cured to form a low-luster, high-scratch-resistant and pollution-resistant paint film only by 150-200 mj / m<2> of UV energy; and the UV coating is applied to soft PVC and can enable a base material not to be thermally damaged in a curing process, so that the application range of the UV coating is greatly expanded.

The invention provides automated apparatus and methods for manufacturing implantable tissue grafts in an operating room setting, preferably utilizing autologous adipose tissue cells for preparing vascular grafts. The automated apparatus includes media and tissue dissociating chemical reservoirs, filters, a cell separator and a perfusion flow loop through a biochamber which supports a graft substrate. The present invention further provides methods for using the tissue grafts and cell samples prepared by the devices described herein in a multitude of therapies including revascularization, regeneration and reconstruction of tissues and organs, as well as treatment and prevention of diseases. The invention also provides methods biochamber configurations for applying a sustained low pressure gradient across a permeable scaffold material using a media containing cells to be deposited on the scaffold for the production of tissue grafts, including, but not limited to, vascular grafts.

The invention discloses a product and a preparation method thereof. The product is prepared by a light-curing rapid prototyping process, and a raw material used in the light-curing rapid prototyping process is a liquid photosensitive resin material. The product has an excellent mechanical property, and is high in tensile strength and tensile modulus, smooth and clean on surface, small in cure shrinkage, stable in size and good in mechanical property. The liquid photosensitive resin material contains liquid polycarbosilane having a line-ring structure and containing unsaturated double bond andis good in stability and easy to store, and the synthetic route of the material is green and environmentally friendly without corrosion; and a liquid line-ring polycarbosilane active group is large indensity, fast in curing speed, high in cured product strength, low in molecular weight and viscosity, good in fluidity and printable performance, and especially suitable for a 3D printing technologyof light-curing rapid prototyping.

The invention belongs to the technical field of cat litter, and provides deodorant plant cat litter and a preparing method thereof. The deodorant plant cat litter is prepared from, by weight, 60-70 parts of soybean fibers, 25-35 parts of corn starch, 10-20 parts of sodium bicarbonate, 5-10 parts of zeolite, 4-6 parts of citric acid, 1-3 parts of sodium phenylpropionic acid, 3-7 parts of active carbon, 2-5 parts of ammonium persulfate, 2-4 parts of guar gum, 1-5 parts of a garlic extract, 1-3 parts of tea residues and 0.5-1 part of polyethyleneimine. By means of the deodorant plant cat litter and the preparing method thereof, the technical problem that cat litter in the prior art is poor in antibacterial deodorant effect is solved.

The invention provides a serum-free medium for human adipose-derived stem cells, comprising a DMEM basic medium and further comprising L-glutamine, insulin-like growth factors, epidermal growth factors, transforming growth factors, platelet-derived growth factors, fibroblast growth factors, transferrin, vitamin C, human serum albumin and 1, 2, 3, 4, 6-O-pentagalloylglucose. The invention belongs to the technical field of stem cells; the serum-free medium for human adipose-derived stem cells provided by the invention is capable of promoting quick adherence and proliferation of the human adipose-derived stem cells and keeping good stem cell pedomorphism and stem cell characteristics.

The invention relates to a soybean protein isolate-based biomedical adhesive and a preparation method thereof. The method comprises the following steps: firstly, dissolving soybean protein isolate into phosphate buffer; then, adding 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and N-hydroxysuccinimide; stirring for reacting for 30-60 minutes, and then adding dopamine; continuously stirring for reacting for 10-36 hours; lastly, performing dialysis, centrifugal separation and freeze drying to obtain dopamine-modified soybean protein isolate; during use, the following steps are adopted: dissolving the dopamine-modified soybean protein isolate into the phosphate buffer; then, adding a cross-linking agent and an anti-inflammation anti-bacterial agent; mixing uniformly, and smearing the mixture on a wound; dropwise adding an FeCl3 solution, so that the wound can be bonded firmly within 20-120s. The prepared biomedical adhesive has the characteristics of rapid response and long-acting bonding, can achieve a very good bonding effect in in-vivo and in-vitro wet environments, has high biocompatibility, is fully biodegradable in vivo, and can promote rapid healing of the wound.

The invention discloses a naturally dried photosensitive acid-corrosion-resistant electroplating printing ink and a preparation method thereof. The naturally dried photosensitive acid-corrosion-resistant electroplating printing ink comprises the following components in parts by weight: 50-80 parts of alkali soluble photosensitive resin, 0-5 parts of cellulose used for coating, 2-10 parts of active diluents, 2-8 parts of photosensitizer, 10-40 parts of filler, 0.5-1 part of pigment, 5-15 parts of solvent and 0.5-3 parts of auxiliaries, wherein the alkali soluble photosensitive resin is prepared from the following components in parts by weight: 40-60 parts of mixture consisting of 20-30 parts of n-butyl acetate, 0-30 parts of methyl isobutyl ketone, 0-20 parts of methylbenzene and 0-20 parts of propylene glycol monomethyl ether acetate, 25-40 parts of styrene-maleic anhydride resin, 15-20 parts of acrylic acid monomer, 0.1-1.0 part of catalyst and 0.1-1.0 part of polymerization inhibitor. The naturally dried photosensitive acid-corrosion-resistant electroplating printing ink disclosed by the invention does not need baking, is dried naturally after being diluted and is energy-saving and is resistant to acid and electroplating, and a film formed after the electroplating printing ink sprayed and dried naturally is high in adhesive force, high in hardness, quick in development, capable of obtaining clear images and resistant to acid corrosion.

The present invention provides a liquid preparation composition comprising a solvent and a surfactant dissolving in the solvent, the surface tension of the liquid preparation composition is less than 60mN / m, and the pH of the liquid preparation composition is 5.0-7.4. The present invention also discloses a preparation method of the liquid preparation composition and use of the liquid preparation composition in treatment of otitis media, otitis externa, rhinitis, nasosinusitis, lower respiratory tract inflammation, xerostomia, xerophthalmia and dry noses. The present invention also discloses a preparation comprising the liquid preparation composition. The liquid preparation composition can effectively relieve the otitis media, the otitis externa, the rhinitis, the nasosinusitis, the lower respiratory tract inflammation, the xerostomia, the xerophthalmia, the dry noses and other symptoms, can be used in the form of sprays or liquid droplets, can be applied to an effective site without use of a propellant or an atomization device, is easy to operate, and can effectively avoid stimulation and injury caused by the propellant and use inconvenience of the atomization device.

The invention discloses a patching method for a furnace lining of a revolving furnace steel tapping hole part, and belongs to the field of steelmaking technology. The method includes the steps: carrying out laser thickness measuring scanning of the revolving furnace steel tapping hole part to obtain a thickness value of a revolving furnace, putting a furnace burden into a revolving furnace steel tapping hole part which has the thickness value less than a thickness threshold, then rocking the furnace with iron, and after finishing steel tapping, carrying out slag splashing treatment. The patching method has simple operation, and has a precise patched position through the laser thickness measuring scanning; and the furnace burden is an environmental protection type high-strength rapid patching material, has strong adhesion force and fast sintering speed, and improves the erosion resistant ability of the patched position through adjustment of furnace slag and a gun position.

A degradable styptic sponge with high safety, mechanical performance, adhesive speed and biodegradability is prepared from decanedioic acid and propanetriol through slowly raising temp to 100-160 deg.C while vacuum dewatering to obtain prepolymer, dissolving it in alcohol, adding pore-forming agent, moulding, washing with distilled water, and disinfecting by Co60 irradiation.

The invention relates to a titanium oxide composite coating and a preparation method thereof. The titanium oxide composite coating comprises a porous titanium oxide coating formed in situ on the surface of a titanium-based metal base material by virtue of a micro-arc oxidation technique, and ferric oxide nanoparticles mixed with the porous titanium oxide coating by virtue of a plasma-immersion ion implantation technique, wherein the content of the iron element in the titanium oxide composite coating ranges from 1% to 15%. The invention also provides a method for preparing the titanium oxide composite coating, and the method comprises the steps of (1) forming the porous titanium oxide coating in situ on the surface of the titanium-based metal base material by virtue of the micro-arc oxidation technique, and (2) implanting iron ions into the titanium oxide coating by virtue of the plasma-immersion ion implantation technique to form the ferric oxide nanoparticle modified titanium oxide composite coating.

The invention discloses a composite biological active ceramic material of Apatite-Wollastonite / beta-tricalcium phosphate (AW / beta-TCP), which comprises the following steps: adopting sol-gel process to prepare AW former powder; preparing TCP former powder through chemical sediment method; sieving TCP former powder through 60-order standard sieve; putting AW former powder and TCP former particle in the material mixing machine according to different proportion; adding certain rate corresponding to powder weight geoceric acid or naphthalene particle with grain size at 20-30 order; making 5wt% polyvinyl alcohol solution as adhesive; blending completely; moulding; drying; sintering to obtain porous product.

The invention relates to the technical field of coating and in particular discloses double-component quick-dry wear-resisting waterborne epoxy coating and a preparation method thereof. The double-component quick-dry wear-resisting waterborne epoxy coating is prepared from a component A and a component B, wherein the mass ratio of the component A to the component B is (5 to 7) to 1; the component Ais prepared from the following raw material components in percentage by mass: 45 to 55 percent of waterborne epoxy emulsion, 0 to 0.5 percent of an anti-rust auxiliary agent, 2 to 3 percent of a dispersant, 0.3 to 0.4 percent of a de-foaming agent, 4 to 6 percent of an environment-friendly co-solvent, 30 to 40 percent of pigment and filler, 0.5 to 1 percent of an anti-sedimentation agent, 0.5 to1 percent of a base material wetting agent, 5 to 13 percent of de-ionized water and 1 to 2 percent of a thickening agent; the component B is prepared from the following raw material components in percentage by mass: 65 to 75 percent of an amine curing agent and 25 to 35 percent of de-ionized water. The double-component quick-dry wear-resisting waterborne epoxy coating provided by the invention hasthe characteristics of rapid drying speed, good adhesive force, high rigidity, excellent wear resistance and anticorrosion performance.

The present invention relates to an interactive wound cover wherein a cultured monolayer of keratinocytes is delivered using a biopolymer. The present invention describes the composition, method of preparation and its properties relating to safety, and efficacy. The wound cover of the present invention is useful in the treatment of wounds and in skin tissue regeneration.

The invention discloses a method for preparing a wear-resistant reflective coating. The method includes: preparing a hydroxide sol; dissolving tetraethoxysilane into ethanol, then dropwise adding water, and dropwise adding hydroxide sol to obtain a second sol; preparing a TiO2 sol; stirring the second sol, and dropwise adding a fifth sol and water in the process of stirring to obtain a sixth sol; heating paraffin containing Span 40 in a water bath, dropwise adding the sixth sol into paraffin oil, stirring and filtering to obtain gel particles; sintering the gel particles to obtain reflective glass beads; washing the reflective glass beads, dipping and firing to obtain modified glass beads; adding water-soluble acrylic resin, waterborne polyurethane resin and waterborne alkyd resin into the water, mixing well, adding the modified glass beads, calcined kaolin, diatomite, fumed silica and a silane coupling agent, and evenly mixing; and then adding zinc borate, nano magnesium hydroxide, a toughening agent, an antifoaming agent, an anti-mildew agent and a pigment, and stirring evenly to obtain the wear-resistant reflective coating.

The invention belongs to the technical field of cell culture, and particularly relates to a culture method for a heterocephalus glaber cardiac muscle cell. In the culture method, the operation steps of separating and purifying the heterocephalus glaber cardiac muscle cell are simple, cell attachment is fast, the survival rate is high, and a cell culture system is high in stability. The culture method is an ideal culture method for the heterocephalus glaber primary cardiac muscle cell, can basically meet the requirements for heterocephalus glaber cardiac muscle cell related experiment research in all research fields such as medical science, biology, pharmacy and bioscience and is suitable for application and popularization in general laboratories.

The invention discloses a modified polyurethane acrylic resin, which is prepared by polymerization among hydroxyl acrylate, diisocyanate, alkylated 4,4'-dicyclohexanol, and polyester / polyether glycol. The invention provides a method of preparing the modified polyurethane acrylic resin at the same time. The provided modified polyurethane acrylic resin does not contain active functional group such as phenyl ring, amino group, or the like, so the modified polyurethane acrylic resin will not become yellow even if the modified polyurethane acrylic resin is irradiated by light, and the weatherability is good. The resin can be applied to an adhesive, and has a good waterproof performance, good anti-falling performance, good drug resistant property, and excellent thermal stability.

The invention relates to the field of coal slurry pre-treatment, and in particular relates to a jet medicament disperse system and fine coal particle pulp mixing modification equipment applying the same. The jet medicament disperse system comprises a pipe body, wherein the tail end of an inlet section of the hollow pipe chamber of the pipe body is provided with a nozzle baffle plate, and nozzles are arranged on the nozzle baffle plate; guide vanes are arranged at a side board surface of the nozzle baffle plate located at the chamber where the inlet section is located; all the nozzles are arranged at the side positions, close to the axis of the pipe body, of the corresponding guide vanes in one-to-one correspondence; an expansion section is of a forked type pipe body structure distributed along the circumferential direction of the axis of the pipe body. The system can effectively realize the uniform mixing feeding requirements of a medicament, ore pulp, and even clean water in a controllable manner. The fine coal particle pulp mixing modification equipment comprises a mixing box and a graded mixing system arranged in the mixing box, the top of the mixing box is provided with a medicament atomization dispersing system and the bottom is provided with the jet medicament disperse system; the equipment is especially suitable for the pulp mixing modification requirement of fine-particle coal difficult to float, the working efficiency of the equipment is high and the pre-treatment process is quick and convenient.

The invention discloses a styptic powder and a preparation method thereof. The method comprises the following steps: dissolving a starch raw material in water, emulsifying and dispersing, performing cross-linking reaction, drying under reduced pressure, washing, drying, and sterilizing. The styptic powder prepared by the preparation method has the characteristics of rapid adhesion to wound, rapid water absorption, arresting bleeding, and biodegradable property. The invention also discloses the styptic powder prepared by the method of the invention.

The invention discloses a preparation method of water-based organosilicone stone protecting agent, wherein the protecting agent is prepared from, by weight, 50-75 parts of long-chain alkylsilane modified methyl silicate solution, 5-10 parts of silica sol, 5-10 parts of polyving akohol, 1-5 parts of water-based adhesive promoter. The stone protecting agent takes water as the dispersing agent, and is low in cost, safe and toxic-free; the processed stone is free from the change of appearance and color, and has good penetration performance, strong adhesive force, fast curing, and high dilution ratio; the protecting agent can form protection at the surface and the inner part of the stone, and comprehensively improve the protection performance.

The invention discloses a mucosal disease treatment system. The mucosal disease treatment system comprises a biological adhesive, a biological medical material, and medical instruments, wherein the biological adhesive comprises the following components: a component a, namely a functionalized star polymer or / and a functionalized comb polymer, and a component b, namely functional polysaccharide; anactive group of the component a and an active group of the component b can chemically react to form a new chemical bond; the biomedical materials, which are selected according to different mucosal diseases, are mixed in the component a of the biological adhesive, or in the component b of the biological adhesive, or partially mixed in the component a of the biological adhesive and partially mixed in the component b of the biological adhesive. When the system is in use, one of the components a and b is covered on a mucous membrane to be treated with the aid of a corresponding medical instrument,and the other component is covered on the previous component; the biological adhesive is firmly adhered to the mucous membrane and seals and repairs the mucous membrane; and the biological medical material is continuously released into adhesive tissues, thereby treating mucosal diseases.

The invention discloses a growth factor compound dressing capable of adhering a tissue fissure and a preparation method thereof. The compound dressing comprises an alginate gel layer and a non-woven fabric layer, wherein the alginate gel layer is prepared from sodium alginate, calcium carbonate, glucolactone, glycerinum, sodium carboxymethyl cellulose, allantoin, alpha-cyanoacrylate, cell growth factors and a protective agent. The dressing can be used for replacing a suture line to a certain extent, radically effectively promoting wound healing to prevent pains of surgical suturing for patients with relatively deep wounds, and effectively reducing generation of scars.

The invention provides a multifunctional serum-free cell culture medium and application thereof. A method for preparing the multifunctional serum-free cell culture medium includes mixing DMEM (dulbecco modified eagle medium) high-glucose culture media and F12 nutrient culture media with one another; adding B27 additives, PC-1 additives, gene recombination human epidermal growth factors and myllicin double-antibodies into the DMEM high-glucose culture media and the F12 nutrient culture media. The multifunctional serum-free cell culture medium and the application have the advantages that the multifunctional serum-free cell culture medium contains simple components, and repeated passage requirements can be met; more importantly, the multifunctional serum-free culture medium not only can be used for quickly amplifying and cultivating primary hypodermal fibroblasts and passage hypodermal fibroblasts in an in-vitro manner, but also can be used for cultivating primary epidermal cells.

The invention provides repair mortar. The repair mortar is prepared from the following components in percentage by mass: 5-15% of silicate cement, 30-50% of sulphate aluminium cement, 10-30% of doublequick cement, 1-2% of redispersible latex powder, 5-10% of expanding agent, 10-30% of silica sand, 0.1-0.5% of early strength agent, 0.5-1% of rheological agent, 0.2-0.5% of defoaming agent and 15-20% of water. According to the repair mortar, the multiple kinds of cement are adopted for compound use, by reasonably selecting the cement types, optimizing a ratio of the cement and adding the appropriate additives of the shrinkage-compensating material expanding agent, the early strength agent and the like, the finally obtained repair mortar has the advantages of fast setting, high early strength, high bonding force and no shrink; an example result shows that setting time of the repair mortar is about ten minutes, the strength in half an hour can reach 8 MPa or above, and the requirements offast repair and the durability of precast units are met.

The invention relates to modified epoxy-connected paint and a preparing method thereof. An A component of the paint is prepared by adding epoxy resin into a mixed solvent of xylene, n-butanol and cyclohexanone, adding copolymer of vinyl chloride and vinyl isobutyl ether, chlorinated rubber, acrylic resin, wet-method sericite, mica iron oxide, fumed silica, talcum powder, titanium dioxide, a polymethylalkyl siloxane solution and polyamide wax, mixing, stirring, and grinding. A B component of the paint is prepared by mixing a cashew nut shell oil modified phenolic aldehyde amine curing agent and a phenolic aldehyde amine curing agent, and stirring uniformly. During using, the A component and the B component are mixed uniformly. The paint can be used for intermediate paint of anti-corrosive primer, and antifouling paint, or chlorinated rubber finish or decorative finish so as to ensure good adhesive force.