74results about How to "Improve adhesion stability" patented technology

The invention relates to a hot-melt pressure sensitive adhesive, and concretely relates to a hot-melt pressure sensitive adhesive for adhesive tapes, and a preparation method thereof. The hot-melt pressure sensitive adhesive comprises a styrenic thermoplastic elastomer SIS, a styrenic thermoplastic elastomer SBS, petroleum resin, rosin glyceride, a primary antioxidant, an auxiliary antioxidant anda softener, wherein the styrenic thermoplastic elastomer SIS is a linear structure, the styrene content is 20-28%, and the diblock content is 20-28%; and the styrenic thermoplastic elastomer SBS is astar structure, the styrene content is 28-32%, and the diblock content is 12-18%. The purpose of the invention is to solve the problem of poor use performance of the adhesive tapes, caused by failedcombination of the initial adhesion, the permanent adhesion and the aging resistance of existing hot-melt pressure sensitive adhesives for adhesive tapes. The initial adhesion (the initial adhesion includes ring initial adhesion and 180 DEG peel strength) of the hot-melt pressure sensitive adhesive of the invention meets use requirements, and has a high adhesion and a good aging resistance. The present invention also provides the preparation method of the hot-melt pressure sensitive adhesive for adhesive tapes.

An intraocular implant for use in a surgical procedure such as a cataract operation, or in a refractive-lens exchange surgery procedure, has a main portion and a peripheral portion peripheral to the main portion. The main portion is plate-like in shape and may be a lens or a plug for closing an aperture in the capsule of the eye. The implant has two or more lugs extending from the peripheral portion in a direction substantially perpendicular to a plane of the main portion. The lugs extend either from haptics, which protrude from the main portion, or from a short extension of the edge of the main portion. A method for fixing the implant into the eye involves making two or more voids in the capsule wall, offering up the implant to the capsule, so that the lugs lie adjacent to the voids, and inserting the lugs into the voids.

The invention discloses a high temperature-resistant adhesive tape used for photovoltaic assembly battery piece positioning. The adhesive tape sequentially comprises an adhesive layer, a substrate layer and an f coating layer from top to bottom, wherein the f coating layer comprises organic resin, a curing agent and an inorganic filler, and the substrate layer is a fluoroplastic film or a polyester film. The invention also provides a production method of the adhesive tape. An acrylic acid adhesive is specially modified, that is, an antioxidant and an ultraviolet absorbent are introduced to an adhesive system in order to greatly improve the yellow stain performance of the adhesive tape. The back side of the substrate layer is coated with the transparent f coating layer, so the substrate layer does not yellow, and makes the stability of the bonding force between the f coating layer surface and the adhesive film good; and the f coating layer has a certain release effect, so the unsmooth operating phenomenon caused by large bonding force between the adhesive surface and the f coating layer surface in the adhesive tape use process of a user is avoided.

The present application relates to a polarizing plate and a liquid crystal display device. The polarizing plate which is thin and light, meets requirements for physical properties such as durability, moisture resistance, workability and light leakage inhibiting ability, and has an antistatic property, and the liquid crystal display device including the same may be provided.

The invention discloses a preparing method of a zinc-coordination organic nano particle hybridization polyamide membrane. An aqueous-phase mixed solution is prepared with polyamine as a monomer molecule, zinc nitrate hexahydrate as a metal ion compound and dopamine as a bionic adhesion agent; the surface of a porous supporting membrane is coated with the aqueous-phase mixed solution, then the aqueous-phase mixed solution is immersed by an aqueous solution containing 2-methylimidazole for in-situ formation of zinc-coordination organic nano particles, and finally, the zinc-coordination organic nano particle hybridization polyamide membrane is prepared through polybasic acyl chloride monomer interface crosslinking. The unique nano microstructure of the zinc-coordination organic particles is utilized, a nano channel facilitating water permeation and selective holding of organic matter molecules is formed in the polyamide membrane, and high water permeability and stable separation selectivity can be obtained. The preparing method is simple and feasible, the particles are formed in situ in the membrane preparing process and uniformly and stably distributed in the membrane, the preparingcost is low, and the preparing method has a good industrial application prospect.

The invention discloses a composite panel and a production method thereof. The composite panel comprises a surface layer and a plastic composite base material layer, which are subjected to thermocompression bonding; the production method of the composite panel comprises the following steps: proportionally weighing and mixing PVC powder, heavy calcium and light calcium composite powder, a stabilizer, a flexibilizer, PE wax, an inner lubricant, a plasticizer and an impact modifier, and fully stirring a mixture for mixing; extruding the mixed mixture through an extrusion machine to synthesize a plastic composite base material; bonding the surface layer and the plastic composite base material layer together; finally, cooling, sizing and cutting. According to the adoption of the above technical solution, the plastic composite base material does not use wood powder and can save natural timbers; the surface layer and the plastic composite base material are thermally compressed and bonded together without using glue and without containing formaldehyde, the composite panel is formed by one step and a glue coating process is removed, continuous production is easy to realize, and production efficiency is improved; bonding stability among layers of the composite panel is improved.

The invention provides a mineral wool board, and a preparation method thereof. The mineral wool board is prepared from, by weight, 80 to 100 parts of grain cotton, 10 to 35 parts of perlite, 10 to 20 parts of a waste molecular sieve catalyst, 10 to 15 parts of bentonite, 10 to 15 parts of plant fiber, 8 to 12 parts of starch, 3 to 5 parts of active carbon, 0.1 to 0.5 part of nano titanium dioxide, and 15 to 25 parts of water. According to the invention, solid wastes such as the waste molecular sieve catalyst and plant fiber are used, synergistic effects of different solid wastes are achieved fully, the building material according with the national standard is produced, comprehensive utilization of solid wastes is realized, environment pollution caused by discharge of solid wastes is reduced, no substance harmful to the environment is added, and no wastewater or waste residue is discharged.

The invention relates to wax-printing printing-resistant wax applicable to linen and a preparation method of the wax-printing printing-resistant wax and belongs to the field of wax printing processes. The printing-resistant wax is prepared from paraffin wax, beeswax, palm wax, dammar resin, stearic acid, mutton tallow and sodium carboxymethyl cellulose. The preparation comprises the steps: weighing 30-40 parts by weight of paraffin wax and 10-20 parts by weight of beeswax, heating the temperature of the weighed paraffin wax and beeswax to 70 DEG C to 80 DEG C for melting, and carrying out heat preservation for 0.5 to 1 hour, so as to obtain a first mixture; weighing 5-10 parts by weight of palm wax, 2-4 parts by weight of dammar resin, 5-8 parts by weight of stearic acid, 1-1.5 parts by weight of mutton tallow and 0.5-1 part by weight of sodium carboxymethyl cellulose, heating the temperature of the weighed palm wax, dammar resin, stearic acid, mutton tallow and sodium carboxymethyl cellulose to 140 DEG C to 150 DEG C for melting, and carrying out heat preservation for 0.5 to 1 hour, so as to obtain a second mixture; adding the first mixture into the second mixture at the temperature of 120 DEG C to 130 DEG C, carrying out stirring for 20 to 30 minutes at the rotational speed of 400r/min to 600r/min, and carrying out cooling. The preparation method is simple, and the prepared printing-resistant wax is good in linen infiltration effect, high in adhesive capacity and uniform in waxing.

The invention relates to the technical field of adhesives, particularly to a high-strength moisture-proof starch glue and a preparation method and application method thereof. The high-strength moisture-proof starch glue is composed of the raw materials including, by weight part, 100 parts of corn starch, 4-20 parts of phenolic oligomer, 2-10 parts of polylactic acid, 0.5-3 parts of borax, 0.5-5 parts of nickel sulfate hexahydrate, 2-15 parts of sodium peroxide, 1-5 parts of tributyl phosphate and 200-300 parts of water. The h high-strength moisture-proof starch glue is high in bonding strength in humid environments, product bonding stability and moisture-proofness, has anti-mildew effects and avoids environmental pollution when degraded. The preparation method of the h high-strength moisture-proof starch glue is simple and convenient to apply.

The invention relates to the field of protection films, in particular to a polyvinyl chloride protection film. A polyvinyl chloride thin film is selected to be used as a base material; the upper and lower layers of the polyvinyl chloride thin film are attaching force coatings. The attaching force coatings concretely use a polyisocyanate silane coupling agent to form polyisocyanate attaching force coatings, wherein an adhesive layer is pasted under the attaching force coating positioned at the lower layer; glassine release paper is pasted under the adhesive layer; in order to be matched with the automatic production, the adhesion stability of the protection film needs to be high; an acrylic acid acryl adhesive emphasizes on the improvement of the initial adhesion force so that the protection film can be smoothly attached onto the surface of a mirror with a radian; the subsequent connection force is reduced, so that the smoothness degree of the subsequent protection film peeling by a mechanical arm cannot be influenced by the protection film due to the adhesion force enhancement along with the increase of attachment time; the polyisocyanate silane coupling agent is selected to be used as an intermediate medium of the polyvinyl chloride thin film and the acrylic acid acryl adhesive for enhancing the adhesion between the polyvinyl chloride thin film and the acrylic acid acryl.

The invention discloses a mineral wool board and a preparation method thereof, and relates to the technical field of mineral wool boards. The mineral wool board is prepared from, by mass, 50-80 parts of granulated wool, 30-40 parts of emulsified wax, 20-30 parts of modified starch, 20-30 parts of plant fibers, 10-20 parts of thermal insulation granules, 10-20 parts of antibacterial agent, 2-8 parts of waste molecular sieve catalysts, 2-8 parts of functional additives and 50-90 parts of deionized water. The preparation method comprises the steps of (1) preparing the antibacterial agent; (2) preparing the thermal insulation granules; (3) conducting compounding; (4) conducting molding and drying; (5) conducting surface finishing. The mineral wool board has the properties of good sound absorption, heat insulation and preservation and mold prevention and moisture prevention, and is widely used in the fields of various build ceilings, interior decoration of wall adhesion and the like.

The invention belongs to the technical field of water treatment, and particularly relates to a preparation method of a photo-Fenton ceramic membrane for water treatment, a device and a use method. Themain technical problem to be solved by the invention is to provide a photo-Fenton ceramic membrane which is good in catalytic effect and stable in performance. The invention provides a preparation method of a photo-Fenton ceramic membrane for water treatment, which mainly comprises the following steps: pretreating a flat plate type ceramic membrane, preparing a turbid liquid from photo-Fenton catalyst nano powder, spraying the turbid liquid onto the ceramic membrane by using an ink-jet printing type spraying membrane forming device, and carrying out sintering to obtain the photo-Fenton ceramic membrane. According to the prepared photo-Fenton ceramic membrane, a proper water treatment device and a treatment method are further designed. The method for preparing the photo-Fenton ceramic is simple in process, low in cost and easy for large-scale industrial production. The prepared photo-Fenton ceramic membrane is used in cooperation with the treatment device and has good photo-Fenton catalytic oxidation activity and self-cleaning membrane pollution resistance.

The invention discloses an organic silicon pressure-sensitive adhesive for fingerprint-resistant glass as well as a preparation method and application of the organic silicon pressure-sensitive adhesive. The novel organic silicon pressure-sensitive adhesive for fingerprint-resistant glass comprises the following components in parts by weight: 10-20 parts of branched vinyl silicone oil, 20-70 parts of hydroxyl raw rubber, 40-70 parts of MQ silicon resin, 0.5-1.5 parts of a silicon-hydrogen crosslinking agent, 0.4-1.0 part of an inhibitor and 80-120 parts of a solvent. Wherein the MQ resin comprises hydroxyl MQ silicon resin and vinyl MQ silicon resin, and the mass ratio of the hydroxyl MQ silicon resin to the vinyl MQ silicon resin is (10-1): (1-5). The organic silicon pressure-sensitive adhesive disclosed by the invention has relatively good stripping force on fingerprint-resistant glass, the stripping force does not change obviously along with time extension, and the organic silicon pressure-sensitive adhesive can be used for bonding the fingerprint-resistant glass and meeting the effect of quickly removing bubbles at the same time, and can be widely applied to related fields such as a protective film for protecting the fingerprint-resistant glass, an electronic product protective film or a waste discharge film and the like.

The invention relates to a surface coating polymer, and a preparation method and application thereof. The surface coating polymer comprises a random copolymer of a structural unit containing catecholgroups and a structural unit containing zwitterionic groups; and in the random copolymer, the molar ratio of the structural unit containing the zwitterionic group to the structural unit containing thecatechol group is 50-280: 70-430. The surface coating polymer simultaneously contains the repetition structural unit containing the zwitterionic group and the repetition structural unit containing the catechol group, the excellent antibacterial property of the zwitterionic group and the good adhesion property of the catechol group are combined by the polymer, and the polymer has strong adhesion to the surface of a substrate, has good adhesion stability, is not easy to fall off, and has excellent antibacterial property and a bacteria adhesion resisting function.

Batik dye-resistant wax suitable for felt cloth and a preparing method thereof are provided and belong to the field of batik processes. The dye-resistant wax includes paraffin, beewax, palm wax, dammar resin, glycerin, mutton fat and polyoxyethylated amine. During preparation, 30-40 parts by weight of the paraffin and 10-20 parts by weight of beewax are weighed, heated to 70-80 DEG C and melt, and the temperature is maintained for 0.5-1 h to obtain a first mixture; 5-10 parts by weight of the palm wax, 2-4 parts by weight of the dammar resin, 5-8 parts by weight of the glycerin, 1-1.5 parts by weight of the mutton fat and 0.5-1 part by weight of the polyoxyethylated amine are weighed, heated to 140-150 DEG C and melt, and the temperature is maintained for 0.5-1 h to obtain a second mixture; the first mixture is added into the second mixture at 120-130 DEG C; and the obtained mixture is stirred at a speed of 400-600 r/min for 20-30 min and cooled. The method is simple. The prepared dye-resistant wax has good permeation effects, high adhesive force and uniform waxing on felt cloth.

The invention discloses a growth factor loaded bacterial cellulose/biological ceramic composite membrane and a preparation method thereof. According to the composite membrane, a bacterial cellulose membrane is used as a basal body, growth factors are loaded on the surface of the bacterial cellulose membrane in a gel depositing and coating manner, and then a biological ceramic membrane is coated onto the surface through an electrostatic spinning technique so that the growth factor loaded bacterial cellulose/biological ceramic composite membrane is obtained. The bacterial cellulose membrane andthe biological ceramic membrane both have a nanometer fiber structure, so that the growth factor loaded bacterial cellulose/biological ceramic composite membrane can be used for materials for tissue repair, and has ample contact space with the cell environment of damaged tissue. Besides, the growth factor loaded bacterial cellulose/biological ceramic composite membrane has favorable effect of maintaining activity of the growth factors, the releasing speed of the growth factor can be controlled through controlling the degradation speed of the composite membrane, and the growth factor loaded bacterial cellulose/biological ceramic composite membrane has favorable application value in the tissue repair respect of promoting tissue division and cell regeneration and the like.

The invention discloses a baseband tensile strength detection device for thermosensitive cover tape production. The device comprises a control base placed above a working table, wherein an adjusting base is arranged on the upper surface of the control base; a support fixedly installed on the upper surface of the control base, wherein an electric push rod is fixedly installed above the support, and a supporting roller is arranged at the lower end of the electric push rod and used for abutting against and stretching a baseband; two sets of bearing frames symmetrically arranged on the upper surface of the adjusting base, wherein supporting rollers are fixedly installed on the side walls of the bearing frames; and a fixing frame fixedly installed on the outer side of the bearing frames through bolts. According to the baseband tensile strength detection device for thermosensitive cover band production, the baseband can be clamped and fixed in a winding mode, the fixing stability can be further improved through the viscosity of the baseband, meanwhile, the baseband can be synchronously stretched in multiple directions, so that the stretching stroke needed by equipment is effectively reduced, and use is convenient and fast.

The invention provides a preparation method for a transparent conductive film. The preparation method comprises the following steps: S1, selecting a transparent base material; S2, manufacturing a conductive layer on the base material, wherein the conductive layer comprises a plurality of conductive lines distributed in a grid shape; S3, placing an insulating material in a grid. After the technicalscheme is adopted, the method, compared with the prior art, has the advantage that in the present invention, the conductive layer is manufactured on the base material, so the line width and the linedistance of the conductive layer are convenient to control; and then the insulating material is placed, so the adhesion stability between the conductive circuit and the insulating material is good; the conductive circuit is embedded in the insulating layer, so that the conductive circuit has no risk of migration and lap joint, the conductive performance of the product is guaranteed, the conductivematerial is not left on the upper side of the insulating layer, the poor appearance of the product is not caused, wiping is not needed subsequently, the manufacturing process is simpler, and the production efficiency is higher.

This invention provides a compound represented by the following general formula (1) and capable of suppressing the blooming, which is observed in the compounding of the resorcin or the RF resin, as far as possible while maintaining the workability and high humidity-aged adhesion of the rubber composition obtained by compounding with rubber, reducing the deterioration of the adhesiveness during the storage of the rubber composition and stably developing the adhesiveness as well as the composition containing the above-mentioned compound as a main component:

(wherein R represents a divalent aliphatic group having a carbon number of 1-16).

The invention relates to a graphene/Au composite material. The graphene/Au composite material comprises a two-dimensional structure array template formed on a silicon wafer and formed by arranging polystyrene microspheres, Au and graphene are alternately deposited on the template, and the deposition thicknesses of the Au and the graphene are 50-100 nm and 2-10 nm respectively. A polystyrene colloidal sphere template with original micro-scale or micro-nano-scale roughness is used as a substrate, and an Au layer and a graphene layer are deposited through magnetron sputtering and electron cyclotron plasma sputtering respectively, so that the signal intensity of a detected probe molecule can be significantly enhanced, the dependence of the detected probe molecule on an excitation light sourceis overcome, and the application range of Raman analysis is widened.