1041 results about "Pressure sensitive" patented technology

The invention provides a virtual fitting method based on a color three-dimensional model, and the method comprises the steps: obtaining the body point cloud data of a user through a three-dimensional scanning device, constructing a color three-dimensional human body model, and setting skeleton binding parameters; dividing a pressure sensitive area based on model surface curvature distribution, and generating a dynamic pressure map; performing cloth physical simulation on the model in a physical engine, and extracting deformation response data of the top points of the clothing grids; real-time motion posture data of a user is collected through an inertial sensor, motion distortion correction is conducted, and a joint motion track is generated. Dynamically comparing the joint movement track with the deformation response data to generate a clothing fitting degree deviation report; and optimizing the clothing pattern parameters and the fabric physical attributes based on the deviation report, and outputting a clothing adaptation proposal. According to the invention, the suitability and comfort of clothes can be improved, and the production efficiency and the product quality are improved.

The invention relates to a shear-based acceleration and pressure composite sensor and an assembly method thereof, and belongs to the field of composite sensors. According to the technical scheme of the acceleration and pressure composite sensor based on the shear type structure, an acceleration detection module comprises a mass block of a regular polygon prism structure, and each side face of the mass block is provided with an acceleration sensitive ceramic piece; the pressure detection module comprises a force transmission column of a regular polygon prism structure, and each side face of the force transmission column is provided with a pressure sensitive ceramic piece, an electrode piece and an insulation block. According to the scheme, the sensitive elements of the acceleration sensor and the pressure sensor core are arranged in a polygonal mode to form a spatial three-dimensional structure, the effective area of the sensitive elements in unit volume is increased, the multiple sensitive elements act together to form superposition of pressure signals, the detection precision and sensitivity of the two are guaranteed, and the detection precision is improved. Therefore, the overall size of the composite sensor is greatly reduced on the premise that the original precision is maintained, and the composite sensor is miniaturized.

The specification relates to a wash-off label (100, 200) comprising a face (101, 301) and a pressure sensitive adhesive (102, 302) adjoined to the face, wherein the face (101, 301) comprises corona discharged filmic material and the pressure sensitive adhesive (102, 302) has a composition including at least one acrylic polymer comprising acrylic monomer(s) and / or non-acrylic comonomer(s) having a carbonyl group capable of undergoing a crosslinking reaction, amount of the acrylic monomer(s) and / or non-acrylic comonomer(s) having a carbonyl group capable of undergoing a crosslinking reaction being from 0.1 to 5 wt. % of monomer composition, and a crosslinking agent with dihydrazide functionality, amount of the crosslinking agent being from 20 to 150% with respect to the amount of the carbonyl groups capable of undergoing a crosslinking reaction. The wash-off label (100, 200) is detachable from a surface when exposed to an alkaline washing solution at a temperature of 85 degrees C. the detachability being such that the pressure sensitive adhesive (102, 302) remains attached to the face (101, 301). Further, the specification relates to a labelled item and use of the wash-off label for labelling an item. Still further, the specification relates to a label laminate web and a method of manufacturing the wash-off label as well as to a pressure sensitive adhesive composition for a wash-off label.

The invention relates to the technical field of MEMS microsensors, and discloses a resonant pressure sensor and a preparation method thereof, the resonant pressure sensor comprises a substrate layer and a resonant assembly, the substrate layer comprises a support substrate and a pressure sensitive film; the supporting substrate is located at the side part of the pressure sensitive film; the resonance assembly comprises a first resonance beam and a second resonance beam which are arranged in parallel, two ends of the first resonance beam are connected with the pressure sensitive film through a first anchor area and a second anchor area, and two ends of the second resonance beam are connected with the pressure sensitive film through a third anchor area and a fourth anchor area; the first resonant beam and the second resonant beam are coupled and connected together through the mass block and the spring; the resonance assembly further comprises a first driving electrode unit and a second driving electrode unit. The first driving electrode unit is positioned on one side of the first resonant beam; the second driving electrode unit is located on one side of the second resonant beam. Compared with the prior art, the detection sensitivity, precision and reliability of the sensor can be improved, the Q value is improved, and the measuring range of the sensor is increased.

A linerless wash-off label (100) comprising a paper-based face (101, 201) and pressure sensitive adhesive (102) is provided. The paper-based face (101, 201) comprises a base paper (206) and a release layer (203), and the release layer (203) and the pressure sensitive adhesive (102) are arranged on opposite sides of the base paper (206). The pressure sensitive adhesive (102) comprises a water-based acrylic emulsion polymer composition, the pressure sensitive adhesive (102) is sensitive to washing conditions, and the base paper (206) comprises wet strength resin and has water absorptiveness of from 10 to 30 g / m2 when measured according to an ISO standard 535 (contact time 60 s). Further, a label product roll comprising the linerless wash-off labels (100) as well as a labelled item comprising an item and a linerless wash-off (100) label are provided. Still further, use of the linerless wash-off label (100) and method of manufacturing a linerless wash-off label web for providing the linerless label product roll are provided.

The invention discloses an electrochemical pressure sensor based on polyelectrolyte gel and a preparation method thereof, and belongs to the technical field of pressure-sensitive elements and pressure sensors. The electrochemical pressure sensor comprises a polyelectrolyte gel pressure sensitive layer, a positive electrode and a negative electrode, wherein the surface of the polyelectrolyte gel pressure sensitive layer is provided with a bowl-shaped groove array structure; the positive electrode is positioned on the upper surface of the pressure sensitive layer; the negative electrode is positioned on the lower surface of the pressure sensitive layer; the polyelectrolyte gel pressure sensitive layer comprises PVA, LiCl and PSS. The surface bowl-shaped groove array structure prepared by using the nucleation effect has excellent pressure-sensitive performance: on one hand, the sensitivity of contact between polyelectrolyte gel and an electrode to pressure is improved, so that the sensor realizes excellent pressure response characteristic; and on the other hand, the surface microstructure gel electrolyte preparation method with less damage to the mold and wider applicability is realized. The electrochemical pressure sensor provided by the invention has the characteristics of high response rate and high output power, and has important value for development of high-performance self-energized pressure sensors.

The invention provides a force and acceleration composite sensor with a calibration function and a working method, and belongs to the field of composite sensors, the force and acceleration composite sensor with the calibration function comprises a test base, the test base is provided with a test through hole, and the test through hole is provided with a mounting hole; a pressure sensitive diaphragm II and a pressure monitoring core body are mounted in the mounting hole; an impact head limiting and fixing upper base is mounted on the test base, an impact head is mounted in a sliding through hole of the impact head limiting and fixing upper base, a first pressure sensitive diaphragm is arranged at the lower end of the impact head, and an acceleration monitoring core body is mounted at the lower end of the first pressure sensitive diaphragm; a third pressure sensitive diaphragm is installed at the bottom of the test through hole, a calibration base is arranged at the lower end of the test base, a calibration groove is formed in the calibration base, and a standard pressure sensor and a tested pressure sensor can be installed on the side wall of the calibration groove. The device has the beneficial effects that the device has multiple advantages of synchronous monitoring of force and acceleration, flexible impact resistance and integrated calibration.

The invention is about a sensor assembly comprising, on an active part (621, 622), an assembly of conductive nanoparticles (560) in an insulating ligand, a substrate on which conductive tracks (611, 612, 613, 650, 651) and the assembly of nanoparticles are deposited, a thin stiffener (630) extending under the active part, glued to the substrate by a hardening glue on a first face of the thin stiffener and a pressure-sensitive adhesive attached to a second face of the thin stiffener (630), opposite the first face, configured for bonding the miniature sensor to a surface to be functionalized. The invention also relates to a method for manufacturing of such a sensor assembly.

A pressure sensitive sensor includes: a first substrate; a resistor disposed on the first substrate; a first wiring pattern disposed on the first substrate and connected to the resistor; first comb tooth patterns disposed on the first substrate and connected to the resistor; a pusher includes a pushing part and a connecting body electrically connected to the first comb tooth patterns by pushing of the pushing part; and a second wiring pattern disposed on the first substrate and electrically connected to the connecting body by pushing of the pushing part. A material of the resistor has an electrical resistivity higher than electrical resistivities of materials of the first wiring pattern, the first comb tooth patterns, the connecting body, and the second wiring pattern. The resistor does not overlap the connecting body in a plan view.

The invention discloses a miniaturized superhigh-temperature water-cooled high-temperature pressure sensor, which belongs to the technical field of pressure sensors and comprises a lead column, a shell, a conduction beam, a ceramic circuit board and a pressure-sensitive unit, and the conduction beam, the ceramic circuit board and the pressure-sensitive unit are arranged in the shell. The shell comprises a pressure sensing metal diaphragm, a threaded base, a protective sleeve and a packaging bottom cover which are fixedly connected in sequence; the pressure sensitive beam comprises a conduction beam base, the two sides of the conduction beam base are fixedly connected with a supporting beam base through beam island structures, pressure sensitive units are arranged on the beam island structures, and a supporting beam is fixedly connected with a threaded base. The pressure sensing metal diaphragm is fixedly connected with the conduction beam base through the conduction beam; the voltage-sensitive unit is electrically connected with the ceramic circuit board; the lead columns penetrate through the packaging bottom cover and the ceramic circuit board and are fixedly connected with the ceramic circuit board. The temperature tolerance of the pressure sensor is improved, and the defects that a high-temperature pressure sensor is poor in anti-interference capacity, low in response frequency, low in measurement sensitivity and the like are overcome.

Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a pressure sensitive adhesive layer 1, a specific laminate including a resin layer and a light absorption anisotropic layer which are adjacent to each other, and a pressure sensitive adhesive layer 2 in order, in which the light absorption anisotropic layer contains a dichroic substance, the pressure sensitive adhesive layer 1 is adjacent to the resin layer of the specific laminate, and a storage elastic modulus Ep of the pressure sensitive adhesive layer 1 and a storage elastic modulus Ea and a moist heat strain δa of the resin layer satisfy Expression (1-1) ¼ (3×Ep / Ea)2 / 3>δa.

The invention discloses a high-temperature-resistant high-stripping organic silicon pressure-sensitive adhesive and a preparation method thereof, and relates to a pressure-sensitive adhesive and a preparation method thereof. The invention aims to solve the problems of insufficient temperature resistance, low peel strength and poor binding force with a base material of the existing organic silicon pressure-sensitive adhesive. According to the invention, phenyl siloxane rubber, hydroxyl-terminated polysiloxane and methyl vinyl MQ silicon resin are used as basic raw materials, and polysilazane is used as a heat-resistant modifier to carry out heat-resistant modification on the chemical structure of the pressure-sensitive adhesive; a trifunctional allyl silane monomer is added in the film preparation process, so that the crosslinking density of the system is improved, and the heat resistance of the pressure-sensitive adhesive is further improved; the bonding force between the pressure-sensitive adhesive and a polyimide substrate is improved by adding the peroxysilane coupling agent, and the use of a primer in the coating process is omitted; by adding the hydroxyl MQ silicon resin and the phosphate adhesion promoter, the bonding strength of the pressure-sensitive adhesive is improved, and the high-temperature-resistant and high-stripping organic silicon pressure-sensitive adhesive is prepared. According to the invention, the high-temperature-resistant and high-stripping organic silicon pressure-sensitive adhesive can be obtained.

An adhesive tape and methods of use in cold or hot environments, such as in the construction industry, wherein the adhesive tape includes a pressure sensitive adhesive layer (preferably, an acrylic pressure sensitive adhesive layer) disposed on a backing (preferably, a multilayer backing).

A manometric catheter probe includes a flexible printed circuit, one or more pressure sensor assemblies coupled to the flexible printed circuit along a length of the flexible printed circuit, and a first flexible sleeve. Each pressure sensor assembly includes a body. The body includes a central cavity configured to receive the flexible printed circuit and an annular recess of the body. Each pressure sensor assembly further includes a microelectromechanical systems (MEMS) sensor disposed in the annular recess, an electrical connector configured to electrically couple the MEMS sensor and the flexible printed circuit, and a first flexible sleeve disposed over the annular recess of the body. The first flexible sleeve includes a fluid configured to communicate pressure to the MEMS sensor, and a second sleeve is disposed over the pressure sensor assembly.

Laminates designed and equipped to be separated after long-term bonding are provided. The laminates comprise a first pressure sensitive adhesive layer, a separation layer, and a second pressure sensitive adhesive layer. The separation layer comprises a laser-sensitive pigment which at the same time is coloring, and so preferably a black coloration is produced, and consists of a cured coating material, preferably an electron beam-cured or UV-cured coating material, which is at least partly removable by laser irradiation, wherein the first pressure sensitive adhesive layer and / or the second pressure sensitive adhesive layer are laser beam-translucent.

The invention provides an adhesive tape and a double-glass structure product. The adhesive tape comprises a release film layer, a pressure-sensitive adhesive layer and a base material layer which are sequentially stacked, the pressure-sensitive adhesive layer comprises a flaky magnetic filler; the flaky magnetic filler comprises a first-direction flaky magnetic filler and a second-direction flaky magnetic filler, an acute angle between the normal direction of the first-direction flaky magnetic filler and the winding axis direction of the adhesive tape is 0-45 degrees, and the first-direction flaky magnetic filler accounts for 50-100% of the weight of the flaky magnetic filler. By adding the flaky magnetic filler into the pressure-sensitive adhesive layer and adjusting the orientation of the flaky magnetic filler in the pressure-sensitive adhesive layer, the transverse and longitudinal water resistance of the adhesive tape is remarkably improved, the weather resistance and bonding strength of the adhesive tape are considered, and when the adhesive tape is applied to objects with water resistance requirements on edges or adhesive tape bonding parts, such as photovoltaic modules, laminated glass and the like, the adhesive tape has excellent water resistance. Effective protection can be provided, and the service life of assemblies is effectively prolonged.

A pressure sensitive adhesive sheet includes a pressure sensitive adhesive layer catching elements distant from a holding substrate. The pressure sensitive adhesive layer has unevenness on a surface and having a complex shear elastic modulus at 23° C. of 0.001 MPa or greater and 1.0 MPa or less.

The present invention relates to a debondable solvent-borne pressure sensitive adhesive composition comprising a) a (meth)acrylate co-polymer formed from the monomers selected from the group consisting of ethyl (meth)acrylate, methyl acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 3-epoxypropyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, hydrogenated polybutadiene(meth)acrylate, glacial acrylic acid, vinyl acetate, and mixtures thereof; b) an electrolyte selected from the group consisting of 1-butyl-3-methylimidazolium bis(trifluoromethylsolfonyl)imide, 1-ethyl-3-vinylimidazolium methanesulfonate, 1-dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, tributyl(ethyl) phosphonium diethyl phosphate, trihexyltetradecylphosphonium bis(trifluoromethylsulfonyl)amide and mixtures thereof; c) a cross-linker; and d) a solvent.

A tape for applying to a building surface prior to painting with an architectural paint having a color and a texture in which the tape remains in place after completion of the painting is described. The tape includes a substrate sheet, a pressure sensitive adhesive, and a coating. The tape is configured such that a portion of the coated side of the tape has a color and a texture that is similar or the same as the color and texture of the architectural paint. In this way, the portion of the building surface covered by the tape produces the general appearance and feel of the painted building surface after completion of the painting.

Article comprising, in order: a first polymeric film having first and second, opposed major surfaces; a first primer layer having first and second opposed, major surfaces on the first major surface of the first polymeric film, wherein for a distance of at least 25 nm starting from the first major surface of the first 5 primer layer toward the second major surface of the first primer layer there is an average Si content, on a theoretical elemental basis, not greater than 15 atomic percent; and a first release layer having first and second opposed, major surfaces, wherein the second major surface of the first release layer is in direct contact with the first major surface of the first primer layer, wherein the first release layer comprises, on a theoretical elemental basis, Si. Articles described herein are useful, for example, as a release liner for 10 casting pressure sensitive adhesives thereon.

The invention relates to a hot-melt pressure sensitive adhesive composition comprising at least one styrenic block copolymer, at least one tackifying resin, at least one mineral oil and from 4 to 15% by weight of at least one wax selected from the group consisting of paraffin waxes, Fischer-Tropsch waxes, ethylene-vinyl acetate waxes and any mixture thereof, based on the total weight of the hot-melt pressure sensitive adhesive composition. The invention also relates to an article comprising a surface coated with such a hot-melt pressure sensitive adhesive composition, to a use of such a hot-melt pressure sensitive adhesive composition and to a process for preparing such a hot-melt pressure sensitive adhesive composition.

The purpose of the present invention is to provide an optical fiber pressure sensor based on a strontium titanate crystal substrate with high measurement accuracy, good stability and low cost, and a preparation method thereof, comprising a base, a pressure sensitive diaphragm, an FP cavity and an optical fiber, wherein the pressure sensitive diaphragm is obtained by polishing, photolithography, developing and coating the strontium titanate crystal substrate. Since strontium titanate crystal has a low expansion coefficient, good chemical stability and mechanical strength, it has a significant effect on the measurement accuracy and stability of the sensor. The pressure sensitive diaphragm prepared by strontium titanate has good biocompatibility, reduces damage to the human body, and has low cost, which can further reduce the production cost of the sensor.

A fire-retardant pressure sensitive adhesive, article including such adhesive, and uses thereof, wherein the adhesive includes: a (meth)acrylate polymer and a non-halogenated flame retardant. The (meth)acrylate polymer includes interpolymerized monomers comprising: (a) an acid-functional (meth)acrylate monomer; (b) a hydroxy-functional (meth)acrylate monomer; (c) a noncationic nitrogen-containing monomer; and (d) a (meth)acrylate ester of a linear or branched alcohol having 3 to 4 carbon atoms and / or a (meth)acrylate ester of a linear, branched, or cyclic alcohol having 5 to 20 carbon atoms.

The invention discloses a flexible touch sensor and a manufacturing method thereof. The flexible touch sensor comprises a flexible substrate, a pressure sensitive layer and a pressure electrode, the flexible base body is provided with a cavity, a stress end face is formed on the outer wall of the flexible base body, and the stress end face and the cavity are arranged in a spaced mode. The pressure sensitive layer is arranged in the flexible base body, at least part of the pressure sensitive layer coincides with the projection of the cavity on the stress end face, and the pressure sensitive layer deforms when subjected to external force; the pressure electrode is arranged on the flexible substrate and connected with the pressure sensitive layer. According to the scheme, the part, directly facing the cavity, of the pressure sensitive layer can deform towards the cavity, the hindering effect of the flexible base body on the part of the pressure sensitive layer is relieved, the pressure sensitive layer can deform towards the cavity when bearing small external force, the measuring sensitivity is improved, and meanwhile the measuring accuracy is improved. And in combination with the deformation of the pressure sensitive layer following the flexible substrate and the deformation of the pressure sensitive layer in the cavity part, the measurement range of the sensor is expanded.

The invention relates to a method for manufacturing a wash-off label (2) comprising a face (1) and a pressure sensitive adhesive layer (4), wherein the face (1) comprises a thermoplastic film, and the method comprises applying an acrylic adhesive onto a first surface of the face (1), wherein the acrylic adhesive comprises a wash-off additive, the wash-off additive comprising are sinous material, and a grafted rosin ester which is a rosin ester grafted with a capped polyalkylene glycol, wherein the capped polyalkylene glycol is apolyalky lene glycol end-capped by an alkyl ether, and drying the acrylic adhesive in order to form an acrylic pressure sensitive adhesive onto the first surface of the face (1), thereby obtaining the wash-off label (2). The invention further relates to a wash-off label.

The invention provides a damper assembly and a piston used for the damper assembly. The piston includes a pressure sensitive relief valve including at least one working disc and an outer disc disposed radially outward of the at least one working disc. The at least one working disc abuts the outer disc in the radial direction and is deflectable in two opposite directions along the central axis to regulate the flow of the working fluid through the piston during a compression stroke and a rebound stroke.

The invention belongs to the technical field of preparation of flexible electronic materials, and particularly relates to a preparation method of a flexible synaptic fabric with a pressure sensing function, which comprises the following steps: firstly, preparing raw materials of the flexible synaptic fabric, including a flexible substrate material, a conductive material, a pressure sensitive polymer, a nanocellulose enhancer and a binder; then preparing conductive fibers loaded with silver nanowires and graphene through two-step dipping, and then sequentially dipping and coating a pressure sensitive polymer and a nanocellulose composite binder; a double-face protruding peak type structure is woven through a warp knitting machine, and finally the flexible synaptic fabric with the pressure sensing function is prepared through heat setting and surface modification treatment. The problems that a flexible pressure sensing fabric structure in the prior art is narrow in pressure sensing range and insufficient in sensitivity response interval can be solved.

The invention relates to the technical field of medicine packaging materials, and discloses a preparation technology of a high-barrier-property composite film for medicine. Comprising the steps of preparation of a degradable base material, coating of a bio-based pressure-sensitive adhesive, distribution of a gradient inhibitor, interface ion exchange activation, construction of an ion immobilization network, temperature and humidity gradient control curing, formation of a phase interface dehydration protection layer and the like. Through a dual action mechanism of pressure-sensitive adhesion and ion exchange and a synergistic effect of biological activity inhibition and ion migration blocking, efficient compounding of a degradable base material and an inorganic barrier layer is realized, and the technical problems of both environmental protection property and high barrier property, attenuation of interface bonding stability and long-term use performance and the like are solved.

A silicone pressure sensitive adhesive composition is curable to form a silicone pressure sensitive adhesive. The silicone pressure sensitive adhesive composition can be coated on a substrate and cured to form a topside protective film. The topside protective film can be used to protect an anti-fingerprint hard coating in a screen protective film on cover glass for a display device, such as a smartphone.

This invention relates to a method for manufacturing a direct thermal linerless label web (100) comprising a face (110) and a water-based acrylic pressure sensitive adhesive coating (120), wherein the face (110) comprises a base layer (113) and a direct thermal printable coating (115), and wherein the method comprises: supplying the face (110), applying a water-based acrylic adhesive coating (121) comprising free and / or non-free surfactant(s), wherein a total amount of the surfactant(s), excluding surface active polymerization agent(s), is from 0 wt. % to less than 0.6 wt. %, calculated from the total dry weight of the water-based acrylic adhesive coating, and thermally drying the water-based acrylic adhesive coating (121) into the water-based acrylic pressure sensitive adhesive coating (120). This invention further relates to a direct thermal linerless label web, and a use of a direct thermal linerless label (100) in on-demand printing.