59results about How to "Adhesion effect" patented technology

The invention relates to quaternized organic silicone oil and a preparation method thereof. The preparation method comprises the following steps: (1) adding octamethylcyclotetrasiloxane, an ammonia type coupling agent and an alkali catalyst into a mixed solvent, using hexamethyldisiloxane as an end-capping agent, and conducting ring opening polymerization through solution polymerization reaction so as to obtain an amino silicon oil solution; (2) adding dimethylaminoethyl methacrylate, and enabling Michael addition reaction so as to obtain the modified amino silicon oil solution; (3) adding alkyl halide, conducting quaternization reaction, and conducting reduced pressure distillation to remove the mixed solvent so as to obtain the quaternized organic silicone oil; (4) conducting water emulsification on the quaternized organic silicone oil. According to the quaternized organic silicone oil and the preparation method thereof, not only can the obtained quaternized organic silicone oil be self-emulsified, but also no emulsifying agent needs to be added when in water emulsification, influence exerted on performance of adhesive force, water resistance, scrubbing resistance and the like can be avoided, and the quaternized organic silicone oil has antibacterial performance and an obvious color-deepening effect on dark-color polyester fabric when being used as a color-deepening finishing agent.

The invention provides a colored coating and steel plate composite material, wherein steel plate with a coated layer is used as the base plate, the surface of the coating layer is covered by composite polyester film, a polyurethane adhesive layer is arranged between the two materials, the thickness of the coated steel plate is 0.1-2.5mm, the thickness of the polyester film is 10-50um, the thickness of the adhesive layer is 3-30um. The invention also provides the process for preparing the polyurethane adhesive.

The invention provides a non-primer coating method for a self-adhesive polyvinylidene chloride (PVDC) emulsion and a coating system for implementing the method. Kiss type coating is adopted for top coating, and an appropriate quantity of wax emulsion and silicon dioxide anti-sticking agent are added into the top coating self-adhesive PVDC emulsion in a top coating process, so that an obtained coating film has the characteristics of high resistance and high heat-sealing property and can compound with a carton through an UV (Ultraviolet) adhesive; the surface of the coating film is smooth, so that the film can easily move on equipment without greater tension; and the film is not subjected to remarkable contraction deformation after being heated through a baking oven, so the product performance is not influenced.

The invention relates to a safe and stable multifunctional wall climbing paint spraying robot, which comprises a paint spraying device and an elastic wheel, wherein the paint spraying device comprises a main rotating cylinder, a mechanical arm, a sub rotating cylinder, a main paint spraying spray head, a telescopic cylinder and a sub paint spraying spray head; the elastic wheel comprises a wheel body, a connecting plate, a spring connecting rod and a support seat; the wheel body comprises a wheel case, a wheel end cover, an anti-explosion plug and an insert gas pipe connector; the wall climbing paint spraying robot enables all driving wheels to be effectively attached onto the irregular operation surface; the driving force and the attachment force are prevented from being influenced in the operation process; the paint spraying operation can be effectively completed in the large area work condition or complicated work condition environment; the manual paint repair is not needed; meanwhile, the wall climbing paint spraying robot can safely, effectively and flexibly perform paint spraying operation in the inflammable and explosive environment in the limited space on the premise of no need of installing an anti-explosion box.

The invention provides a desulfurized gypsum gypsum plaster board with high chloride ion content and a preparation method of the desulfurized gypsum plaster board. The gypsum plaster board is preparedfrom the following raw materials in parts by mass: 100 parts of desulfurized gypsum clinker; 60 to 75 parts of water; 0.5 to 10 parts of zeolite; 0.05 to 0.2 part of glass fiber; 0.2 to 1 part of retarder; and 0.2 to 1 part of starch. The preparation method comprises the following steps of: pretreating the zeolite and activating the zeolite; mixing desulfurized gypsum clinker, glass fiber and treated zeolite to obtain a mixture; weighing the water, retarder and starch to prepare a mixed solution; uniformly mixing the mixture and the mixed solution to prepare gypsum slurry; and molding the gypsum slurry, and performing solidifying, drying, laminating, edge sawing, edge sealing and packaging to obtain the gypsum plaster board. With the gypsum plaster board adopted, the technical problem that a gypsum plaster board prepared by taking high-chlorine desulfurized gypsum clinker as a raw material is poor in dehydration property and cohesiveness can be solved, and under severe test conditions, the board core and the surface protection paper of the gypsum plaster board are not stripped, so that the bonding effect of the gypsum plaster board is good.

The invention discloses a seal primer added polymer with a formaldehyde catching function. The seal primer comprises acrylamide, an acrylate soft monomer, an acrylate hard monomer, an acrylate long-chain monomer, an initiator and an organic solvent. The invention further discloses a preparation method of the seal primer added polymer with the formaldehyde catching function. Resin prepared by adopting the seal primer added polymer with the formaldehyde catching function and the preparation method thereof has good compatibility with existing wooden ware primers (nitro wooden ware primer, polyester two-component wooden ware primer, acrylic emulsion type wooden ware primer, epoxy two-component wooden ware primer and the like); according to the formaldehyde content of a wooden ware base material, the polymer is added into the traditional wooden ware primer; and the wooden ware seal primer prepared by adding the polymer has obvious and lasting formaldehyde catching and clearing capability on the premise that obvious poor influence is not produced on the aspects of closure, adhesion, flexibility, polishing property and the like.

The invention discloses a sand blasted surface protective film and a sand blasted surface protective method for an engine metal shell. The method comprises the following steps of: dissolving butyl rubber, dicumyl peroxide, zinc oxide, carbon black, magnesium oxide and acetone, and stirring the solution to obtain a protective film material; cleaning the outer surface of a product, and stirring theprotective film material, acetone and aviation washing gasoline uniformly to obtain an accessory; spraying a protective film layer on the surface of the metal shell by using the accessory, and curingthe protective film layer to form a peelable film layer; and removing the peelable film layer on the surface of the engine in use, and cleaning the outer surface of the product for later use. The protective film can be used for isolating air or water, and can be quickly removed.

The invention discloses a liquid-phase mineralizing precursor and a method of repairing demineralized dentine and belongs to the technical field of biomaterials. The liquid-phase mineralizing precursor can repair the demineralized dentine and is a calcium carbonate mineralizing precursor solution containing a polymer and magnesium ions, wherein the concentration of the polymer is 5-100 [mu]g/mL, concentration of Ca<2+> is 1-15 mM, and molar ratio of Mg<2+> to Ca<2+> is 1-6:1. A preparation method of the liquid-phase mineralizing precursor includes steps of: suspending CaCO3 powder in distilledwater and feeding CO2 gas for 1-4 h at room temperature; filtering away residual CaCO3 and feeding CO2 gas for 15-60 min at room temperature; measuring the concentration of Ca<2+> and adding distilled water to regulate the concentration of Ca<2+>; adding the polymer and MgCl2 powder and uniformly mixing the mixture. The liquid-phase mineralizing precursor employs easy-to-obtained raw material andhas simple system, and is a creative break for therapy on oversensitive dentine.

The invention belongs to the field of collagen materials and particularly relates to a modified collagen based soft tissue adhesive and a preparation method thereof. The modified collagen based soft tissue adhesive is prepared from the following raw materials including collagen, polylysine, gallic acid and an oxidizing agent. By using active ingredients, including the polylysine and the gallic acid, with a source of biology and low cost for body chemical modification, the modified collagen has a good adhesion effect. The modified collagen provided by the invention has a very good application potential in the field of medical soft tissue adhesives.

The invention discloses a multifunctional climbing wall painting robot, comprising a paint spraying device and elastic wheels. The paint spraying device comprises a main rotary cylinder, a mechanical arm, an auxiliary rotary cylinder, a main spray nozzle, a telescopic cylinder and an auxiliary spray nozzle. The elastic wheel comprises a wheel body, a connecting plate, a spring connecting rod and a support seat. The climbing wall painting robot is not only able to protect all the driving wheels effectively attached to the irregular work surface, and avoid the driving force and the adhesion from being affected, but also able to finish painting work effectively in a large area of working condition or a complex working environment, and doesn't need artificial paint repair again.

The invention discloses an SIS-b-PEO hot-melt pressure-sensitive adhesive and a preparation method thereof, and belongs to the technical field of hot-melt pressure-sensitive adhesives. The SIS-b-PEO hot-melt pressure-sensitive adhesive is characterized in that a polar ethylene oxide block is connected to a chain terminal of an SIS molecular chain and used as a part of an SIS-b-PEO molecule, so that a polar plastic phase is formed, and a dialkene block structure and a phase structure of a thermoplastic elastomer SIS-b-PEO are not changed. The SIS-b-PEO hot-melt pressure-sensitive adhesive disclosed by the invention has the effects and advantages that the ethylene oxide block has an effect of increasing the polarity of the hot-melt pressure-sensitive adhesive and enhancing the effect between the hot-melt pressure-sensitive adhesive and a polar adhered object without causing adverse effects to the compatibility between a dialkene phase and a thickening agent and the adhesion property of the hot-melt pressure-sensitive adhesive.

The invention provides a high-chlorine desulfurized gypsum plaster board and a method for improving the bonding grade of the high-chlorine desulfurized gypsum plaster board by activating zeolite. Thehigh-chlorine desulfurized gypsum plaster board is prepared from the following raw materials in parts by mass: 100 parts of desulfurized gypsum clinker; 60 to 75 parts of water; 0.5 to 10 parts of zeolite; 0.05 to 0.2 part of glass fibers; 0.2 to 1 part of retarder; and 0.2 to 1 part of starch. The preparation method comprises the following steps of: pretreating the zeolite and activating the zeolite; mixing the desulfurized gypsum clinker and glass fibers to obtain a mixture; weighing the water, retarder, starch and treated zeolite to prepare a mixed solution; uniformly mixing the mixture andthe mixed solution to prepare gypsum slurry; and molding the gypsum slurry, and performing solidifying, drying, laminating, edge sawing, edge sealing and packaging to obtain the gypsum plaster board.With the gypsum plaster board adopted, the technical problems that a gypsum plaster board prepared by taking high-chlorine desulfurized gypsum clinker as a raw material is poor in dehydration property and cohesiveness can be solved, and under severe test conditions, the board core and surface protection paper of the gypsum plaster board are not stripped, so that the bonding effect of the gypsum plaster board is good.

The invention provides a method for forming an anticorrosive coating of a compressor. The method includes the steps that a shell of the compressor is subjected to surface treatment; the shell of the compressor is subjected to a plating-assistant technology, so that a plating-assistant coating is formed; and the shell of the compressor is immersed into a molten anticorrosive coating so as to form the anticorrosive coating. Namely, the anticorrosive coating is formed on the shell of the compressor in a hot-dipping mode, the advantages of being high in efficiency, low in cost and good in coatingquality are achieved, and therefore the corrosion resistance of the anticorrosive coating can be improved obviously, and the service life of the compressor is prolonged.

The invention discloses a household appliance color plate textured finish paint coating and a preparation method thereof, and belongs to the field of color-coated steel plate coatings. The coating comprises the following components in parts by weight: 55-60 parts of saturated polyester resin; 10 to 15 parts of amino resin; 0.5 to 1 part of a defoaming auxiliary agent; 0.5 to 1 part of an acid catalyst; 0.4 to 0.8 part of polysiloxane; 0.3 to 0.5 part of fumed silica; 5 to 10 parts of aluminum powder; 8-10 parts of a solvent; and 5-10 parts of color paste. The household appliance color plate textured finish paint coating can form different surface texture effects by being matched with primers of different colors, the textured effect of a coating after film forming is uniform, no short lineis generated, and the construction mode and application performance of roller coating can be met. In addition, a paint film formed by the household appliance color plate textured finish paint coatingis high in hardness, high in scratch resistance and easy to process, and has wide application prospects.

The invention provides a desulfurized gypsum plaster board with high magnesium ion content and a preparation method thereof. The gypsum plaster board is prepared from the following raw materials in parts by mass: 100 parts of desulfurized gypsum clinker; 60 to 75 parts of water; 0.5 to 10 parts of zeolite; 0.05 to 0.2 part of glass fibers; 0.2 to 1 part of retarder; and 0.2 to 1 part of starch. The preparation method comprises the following steps of: pretreating the zeolite and activating the zeolite; mixing the desulfurized gypsum clinker, glass fiber and treated zeolite to obtain a mixture;weighing the water, retarder and starch to prepare a mixed solution; uniformly mixing the mixture and the mixed solution to prepare gypsum slurry; and molding the gypsum slurry, performing solidifying, drying, laminating, edge sawing, edge sealing and packaging to obtain the gypsum plaster board. With the gypsum plaster board adopted, the technical problems that a gypsum plaster board prepared bytaking high-magnesium desulfurized gypsum clinker as a raw material is poor in dehydration property and cohesiveness can be solved, and under severe test conditions, the board core and surface protection paper of the gypsum plaster board are not stripped, so that the bonding effect of the gypsum plaster board is good.

The invention provides a high-sodium-ion-content desulfurized gypsum plaster board and a method for improving a bonding grade. The plaster gypsum board is prepared from the following raw materials inparts by mass: 100 parts of desulfurized gypsum clinker; 60 to 75 parts of water; 0.5 to 10 parts of zeolite; 0.05 to 0.2 part of glass fibers; 0.2 to 1 part of retarder; and 0.2 to 1 part of starch.The preparation method comprises the following steps of: pretreating the zeolite and activating the zeolite; mixing the desulfurized gypsum clinker, glass fibers and treated zeolite to obtain a mixture; weighing the water, retarder and starch to prepare a mixed solution; uniformly mixing the mixture and the mixed solution to prepare gypsum slurry; and molding the gypsum slurry, performing solidifying, drying, laminating, edge sawing, edge sealing and packaging to obtain the gypsum plaster board. With the gypsum plaster board adopted, the technical problems that a gypsum plaster board preparedby taking high-sodium desulfurized gypsum clinker as a raw material is poor in dehydration property and cohesiveness can be solved, and under severe test conditions, the board core and surface protection paper of the gypsum plaster board are not stripped, so that the bonding effect of the gypsum plaster board is good.

The invention discloses an automatic fried bread stick dough blank folding and forming machine. The automatic fried bread stick dough blank folding and forming machine comprises a conveying table anda machine body, wherein the machine body comprises a first wallboard, a second wallboard, a supporting rod, a chain, rollers, positioning shafts, a water groove and a water dipping shaft; the first wallboard and the second wallboard are installed above two sides of the conveying table; a plurality of sets of conveying rollers and a plurality of sets of positioning shafts are installed between thefirst wallboard and the second wallboard; a driving motor is installed above one side of the second wallboard; the output end of the driving motor is connected with a driving shaft; and the other endof the driving shaft penetrates through the second wallboard and is connected with a driving wheel. According to the invention, dough blanks are conveyed by the conveying rollers through up-and-down cross separation, so the dough blanks are small in contact point and easy to be positioned and fixed in the conveying process, and the dough blanks are tidy up and down; meanwhile, small roller sleeveson the water dipping shafts are driven by rotation to attach water, while the water is directly rolled and attached to the dough blanks, so the dough sheets are guaranteed to be on a same straight line with a water pressing line, and the influence on the effect of frying due to dough sheet adhesion caused by water seepage towards two sides of each dough blank is avoided.

A wafer level chip packaging method comprises the following steps: providing a wafer and a substrate, wherein the wafer has a first surface and a second surface, and the first surface of the wafer is provided with a conductive structure; bonding the first surface of the wafer with the substrate; forming a trench in the wafer along the second surface of the wafer; baking the wafer and the substrate, wherein the baking temperature is a first temperature; and after baking, forming a low-temperature oxide layer on the second surface of the wafer and in the trench, wherein the temperature at which the low-temperature oxide layer is formed is a second temperature which is lower than the first temperature. By adopting the packaging method, the problem that the low-temperature oxide layer falls off the surface of the wafer can be avoided.

The invention discloses an efficient logo bonding device for garment manufacturing and packaging and relates to the technical field of garment manufacturing. The device comprises a base, wherein a conveying belt is arranged on a surface of an upper end of the base, a fixed baffle is fixedly connected with the rear side of a surface of an upper end of the base, a movable baffle is movably connectedwith a front end of the surface of the upper end of the base, a stand column is fixedly connected with a rear end of the base, a bonding assembly is arranged on the stand column, and a box overturning assembly is arranged at a front end of the base. The device has the advantages that telescopic rods are ejected out of second grooves, then packing boxes on the conveying belt are ejected out of theconveying belt through push plates, the packing boxes without bonding logo can be effectively removed, staff can conveniently arrange the packing boxes without bonding again, labor intensity of workers is reduced, and production efficiency is improved.