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42 results about "Silicone Gels" patented technology

Synthetic organosiloxane gels that are formed from synthetic polymers of silicone oxide with organic sidechains (polydimethylsiloxane) by lengthening the polymer chains. Unlike silicone elastomers, they are not treated with amorphous silica. They are used as fillers in breast implants.

A novel waterproof silicone gel box

ActiveCN224319052UCable junctionsSilicone GelsStructural engineering
This utility model discloses a novel waterproof silicone gel box, including a base box and a lid. A connecting rib is integrally formed along one edge of both the base box and the lid, and the base box and lid open or close using the connecting rib as a fulcrum. Two outwardly protruding snap-fit ​​edges are integrally formed on the outer side of the base box away from the connecting rib. Two protruding plates are integrally formed on the outer side of the lid away from the connecting rib, and snap-fit ​​protrusions are integrally formed on the inner wall of the protruding plates. The lid is fitted onto the base box by the connecting rib, with the protruding plates attached to the surface of the snap-fit ​​protrusions, and the snap-fit ​​protrusions are positioned on the snap-fit ​​protrusions. This utility model has a reasonable structural design. When the lid is closed, the snap-fit ​​protrusions and snap-fit ​​protrusions provide positioning, improving installation convenience and the stability and reliability of the closing mechanism. Furthermore, the two snap-fit ​​protrusions working in conjunction with the two snap-fit ​​protrusions ensure no gaps at the connecting edges, improving the waterproof performance after connection and making it highly versatile.
Owner:中山市知域照明科技有限公司

Medical silica gel dressing fixing adhesive tape and fixing method thereof

PendingCN122075239Aquick releaseinfection controlBandagesSilicone tapeDrug release
The invention belongs to the field of medical instruments, and discloses a medical silica gel dressing fixing adhesive tape which comprises an adhesive tape body, and the adhesive tape body sequentially comprises a carrier layer, a silica gel adhesive layer and a stripping liner from outside to inside; the carrier layer is made of an elastic breathable material, and the silica gel adhesive layer is made of medical-grade organic silica gel; a plurality of first microcapsules are dispersed in the silica gel adhesive layer, the first microcapsules are drug-loaded microcapsules, and wall materials of the drug-loaded microcapsules are made of materials responding to the pH value, enzyme concentration or temperature change of a wound environment. Enzyme or ions are released after the second microcapsule is broken, the wall material of the first microcapsule is actively degraded, cascade response of'exudate increase-developing prompt-drug accelerated release 'is realized, a large amount of drugs are quickly released when the exudate appears, and infection or inflammation is effectively controlled.
Owner:SUZHOU YINGSHI POLYMER MATERIALS CO LTD

A strongly bonded glaze layer for stain-resistant ceramic tiles, its preparation method and application

ActiveCN121021196BResist interlaminar shear stressGood toughening effectSilicone GelsGlaze
This invention discloses a strongly bonded surface glaze layer for stain-resistant ceramic tiles, its preparation method, and its application, relating to the field of ceramic tile manufacturing technology. The surface glaze layer comprises a microcrystalline glaze composite layer and a stain-resistant surface layer. The microcrystalline glaze composite layer contains a core-shell structured aluminum zirconium phosphate, and the stain-resistant surface layer contains a core-shell structured calcium-activated silica gel. The two layers are sintered to form Ca-Zr-P-O chemical bonds. This achieves strong interfacial bonding and, through the construction of a dense nanocomposite structure for synergistic stain resistance, results in excellent and long-lasting stain-resistant performance, significantly improving the stain resistance and service life of the ceramic tile. It solves the problem of stain-resistant layers easily detaching and failing during long-term use in existing ceramic tile technologies.
Owner:JIANGXI ZHONGCHEN NEW MATERIALS CO LTD

Self-crosslinking oil-resistant fluorosilicone gel, preparation method and application thereof

PendingCN122356483APolymer sciencePtru catalyst
This invention discloses a self-crosslinking oil-resistant fluorosilicone gel, its preparation method, and its applications, belonging to the field of special polymer materials technology. The preparation method of the gel includes: ring-opening copolymerization of trifluoropropylmethylcyclotrisiloxane and octylmethylcyclotetrasiloxane under alkaline catalysis to obtain a prepolymer; then reacting it with 3-(methacryloyloxy)propyltrimethoxysilane to introduce self-crosslinking groups, followed by post-treatment to obtain a self-crosslinkable prepolymer; finally, adding an organotin catalyst allows for rapid curing at room temperature to form a three-dimensional network structure. This invention imparts extremely low oil swelling rate to the material by introducing fluorinated segments, while achieving rapid self-crosslinking curing under mild conditions through molecular design. The resulting material possesses excellent oil resistance, ease of application, and good interfacial adhesion, making it suitable for sealing and plugging in harsh oil environments in aerospace, petrochemical, and other fields.
Owner:HAINAN POWER GRID CO LTD +1

A silicone gel packaging hose

ActiveCN224393439UClosure with auxillary devicesSilicone GelsPolymer science
The utility model discloses a kind of silicone gel packing hoses.The silicone gel packing hose, including outer cover, silicone gel smearing part, fastening middle sleeve and container main body, the fastening middle sleeve is fixed on container main body with silicone gel smearing part, the silicone gel smearing part is not detachably connected with container main body, the outer cover is detachably connected with silicone gel smearing part.The silicone gel packing hose disclosed in the utility model solves the problem that metal type, ceramic type smearing part in existing product can cause allergic reaction for individual special constitution;The silicone gel packing hose disclosed in the utility model has the advantages of simple structure, short mold development cycle, high processing efficiency, low production cost, etc., can solve the problems that traditional packing hose can cause, reduce product cost, and has strong market competitiveness.
Owner:ESSEL PACKAGING GUANGZHOU LTD

Preparation method of high-temperature co-anode high-power schottky diode

PendingCN122138416ASilicone GelsPhysical chemistry
This invention relates to a method for fabricating high-temperature common-anode high-power Schottky diodes, comprising the following steps: S1, fabricating a Schottky diode chip using the MPS+cut-off ring process; S2, sintering the chip, molybdenum sheet, and inner leads into an assembly in a eutectic furnace using a matching mold; S3, mounting an ALN ​​insulating substrate inside a metal casing; S4, mounting the chip assembly on the ALN substrate and connecting the lead posts; S5, fixing the ceramic cover plate to the casing and lead posts; S6, performing silicone gel encapsulation and curing. This invention is rationally designed, compact in structure, and easy to use.
Owner:QINGDAO HAIYIFENG POWER ELECTRONICS CO LTD

Window and microscopic imaging system

PCT designated stageWO2026149286A1Silicone GelsOphthalmology
Disclosed in the present invention are a window and a microscopic imaging system. The window comprises a transparent glass slide and an immersion medium, the side of the transparent glass slide away from a sample to be observed is provided with the immersion medium, and the material of the immersion medium comprises silica gel. The microscopic imaging system provided by the present invention is provided with the window. Because the non-fluid silica gel of which the refractive index matches the refractive index of biological tissues is used as the immersion medium in the window, the window can be suitable for biopsy, thereby providing an excellent in-vivo imaging effect and product use experience.
Owner:PEKING UNIV +1

Preparation method and application of organic silicone gel modified boron nitride insulation composite material for high-voltage high-power power electronic device package

PendingCN122325994ANew energyBoron nitride
The application discloses a preparation method and application of an organic silicone gel modified boron nitride insulation composite material for high-voltage and high-power power electronic device packaging. The application utilizes the self-polymerization reaction of dopamine under weak alkaline conditions to construct a PDA coating layer on the BN surface in situ, effectively overcomes the problems of strong chemical inertness and easy agglomeration of BN, and significantly improves the interfacial compatibility between the inorganic filler and the organic silicone gel matrix. The PDA coating layer acts as a "molecular bridge" to improve the dispersibility, introduces deep trap energy levels at the interface through surface polar functional groups, captures high-energy carriers, suppresses the accumulation of space charges, and simultaneously plays the intrinsic thermal conductivity of BN, thereby realizing the synergistic regulation of insulation strength and thermal performance. The process only needs normal temperature ultrasonic, stirring, centrifugal washing and vacuum drying, and is simple, efficient and easy to scale up. The obtained composite material has significantly improved AC breakdown field strength and local discharge starting voltage, and is suitable for new energy vehicles, rail transit, extra-high voltage flexible DC power transmission and other fields.
Owner:HEBEI UNIV OF TECH

Ultrasound contrast agent injection device

UndeterminedDE212024000363U1Ultrasonic/sonic/infrasonic diagnosticsPressure infusionSilicone GelsUltrasound contrast media
Ultrasound contrast agent injection device, characterized in that the ultrasound contrast agent injection device comprises: a main unit with a foam injection section designed to generate and inject contrast agent;and a display screen that is detachably connected to the main unit and allows touch-controlled activation and deactivation of the foam injection section, the display screen comprising an interconnected upper housing and lower housing, the lower housing containing a battery, a control chip, a screen body, a heat sink and a fan, the heat sink being located above the control chip and a space between the heat sink and the control chip being filled with thermal silicone gel, the fan being located below the heat sink near the control chip, and the upper housing containing a button that is electrically connected to the control chip.
Owner:FUWAI HOSPITAL CHINESE ACAD OF MEDICAL SCI & PEKING UNION MEDICAL COLLEGE

A silicone gel composition for potting and its application in electronic component packaging

This invention belongs to the technical field of organosilicon polymer compositions, specifically relating to a silicone gel composition for potting and its application in electronic component encapsulation. It is prepared from vinyl-functionalized methylphenyl silicone oil, inhibitors, crosslinking agents, chain extenders, and a platinum catalyst. Using vinyl-containing siloxanes as vinyl-introducing raw materials, and octamethylcyclotetrasiloxane and phenylcyclotetrasiloxane as basic monomers, a ring-opening polymerization reaction is catalyzed by a catalyst under a protective gas atmosphere. By controlling the gradient heating process, vinyl and phenyl groups are sequentially introduced into the side chains of the molecular chain to obtain an intermediate product. Then, vinyl end-capping is performed to obtain the vinyl-functionalized methylphenyl silicone oil. This invention introduces vinyl functional groups into both the side chains and end groups of the silicone oil, solving the problems of low functionality and insufficient crosslinking density in traditional vinyl-terminated silicone oils. It achieves a three-dimensional dense crosslinking network, significantly improving the heat aging resistance of the silicone gel and meeting the requirements of electronic-grade potting compounds.
Owner:SHANDONG UNIV

A device for continuously synthesizing high-thermal-conductivity silicone gel by microwave catalysis

PendingCN122352135ASilicone GelsMaterial synthesis
This invention provides an apparatus for the continuous synthesis of high thermal conductivity organosilicon gels via microwave catalysis, relating to the field of organosilicon polymer material synthesis equipment. The apparatus includes a raw material storage tank, a raw material emulsifier, a vacuum degassing machine, a reaction pressure chamber, a mode stirring motor, a continuous synthesis mechanism, and a raw material pretreatment mechanism. The raw material emulsifier is located to the right of the raw material storage tank; the vacuum degassing machine is located to the right of the raw material emulsifier; the reaction pressure chamber is located to the right of the vacuum degassing machine; the mode stirring motor is fixedly connected above the reaction pressure chamber; the continuous synthesis mechanism is located inside the reaction pressure chamber; and the raw material pretreatment mechanism is located inside the feed pretreatment tank. This ensures stable and reliable product crosslinking degree and thermal conductivity, solving the problem that low temperatures in the central region of the material lead to incomplete reaction and insufficient crosslinking degree, ultimately resulting in significant differences in the crosslinking degree, viscosity, and thermal conductivity of the product between batches.
Owner:SHANGHAI JORLE FINE CHEM

Method and system for process optimization of silicone gel preparation for acne scar repair

PendingCN122337433ASilicone GelsRheopecty
This invention discloses an optimized method and system for preparing silicone gel for acne scar repair, relating to the field of silicone gel preparation technology. The method includes obtaining physicochemical indicators such as the viscosity coefficient, refractive index, and volatile content of silicone raw materials; using a rheological prediction model to calculate the expected viscosity change curve of the silicone raw material mixing process under the current reactor temperature field; comparing this curve with a process window threshold; if the curve exceeds the threshold, triggering a gradient temperature adjustment strategy and recalculating until the curve falls within the threshold; after determining the temperature adjustment strategy, introducing a state inversion algorithm to output the dispersity parameter of the initiator addition stage based on the crosslinking density index of the target product; and dynamically adjusting the stirring rate and the timing of dispersed phase addition according to the dispersity parameter to complete the preparation. This method enables precise control of the preparation process, improves product quality stability, and meets the performance requirements of silicone gel for acne scar repair.
Owner:SECOND AFFILIATED HOSPITAL OF COLLEGE OF MEDICINEOF XIAN JIAOTONG UNIV

A silicone gel composition, a silicone gel and applications

PendingCN122427526ASilicone GelsPolymer science
The present application belongs to the technical field of gel composition for electronic products, and particularly relates to a silicone gel composition, a silicone gel and application. Modified nano-silicon dioxide and nano-aluminum oxide are introduced into a silicone oil base material, the silicon dioxide is modified by using an amino silane coupling agent or an epoxy silane coupling agent, a flexible interface transition layer can be constructed in a curing process, and the bonding strength of the interface between the silicon dioxide and the silicone gel base and the aluminum oxide particles is effectively improved. The addition of the silicon dioxide makes the aluminum oxide uniformly dispersed in the base, alleviates the aluminum oxide agglomeration phenomenon, reduces the silicone gel defects, and improves the breakdown field strength of the silicone gel. Moreover, the silicon dioxide itself has a large band gap width, which is conducive to enhancing the intrinsic breakdown field strength of the silicone gel. In addition, the silicon dioxide optimizes the heat conduction path of the aluminum oxide particles, and further improves the thermal conductivity coefficient of the silicone gel system. The silicone gel obtained after the silicone gel composition of the present application is cured has excellent heat conduction performance and insulation performance.
Owner:SHANDONG UNIV

Hydroxyl-functionalized phenyl silicone oils and methods for their preparation, low density foamed silicone gels and methods for their preparation, and electronic instruments

ActiveCN116925358BPolymer scienceSilica gel
The present application provides a hydroxyl functionalized phenyl silicone oil and a preparation method thereof, a low-density foamed silicone rubber and a preparation method thereof, and an electronic instrument. The hydroxyl functionalized phenyl silicone oil comprises -(CH2) a OH groups, the preparation method comprising: condensation reaction of an enol compound with a silazane to obtain a compound X; addition reaction of the compound X with a double-end hydrogen-containing phenyl silicone oil to obtain a compound Y; alcoholysis reaction of the compound Y with an alcohol substance to obtain the hydroxyl functionalized phenyl silicone oil. The present application also provides a low-density foamed silicone rubber, the raw material of which comprises the above hydroxyl functionalized phenyl silicone oil and is prepared by using a two-component preparation method. The present application improves the surface tension and reaction speed of the foamed silicone rubber system by using the hydroxyl functionalized phenyl silicone oil, and thus a uniform and fine low-density high-foaming ratio foam can be formed.
Owner:惠州市美信电子有限公司 +1

Highly dispersed, high modulus MDQ silicone resin and method of making same

PendingCN122444999APolymer sciencePtru catalyst
The application discloses a kind of high dispersion, high modulus MDQ silicone resin and its preparation method, the method uses α, ω-dihydroxy polydimethylsiloxane (hydroxyl silicone oil) instead of traditional difunctional silane monomer as D chain source, avoid the cyclization side reaction of small molecule monomer, realize the uniform access of D chain;Combined with the stepwise feeding process of "first forming MQ skeleton and then introducing D unit" and the catalyst adding mode of "secondary acid supplement", the precise control of molecular structure is realized.The obtained MDQ silicone resin has a dispersion particle size of less than 100 nm, a storage modulus of 12-18 MPa, a light transmittance of more than 90%, and is high-temperature crack-free, with high dispersion, high modulus and high light transmittance, and is suitable for high light transmittance silicone gel, electronic packaging glue, organic silicone adhesive and organic silicone molding material, etc.
Owner:浙江润禾有机硅新材料有限公司

Preparation method and application of organic silicone gel modified tungsten disulfide insulation composite material for high-voltage high-power power electronic device packaging

PendingCN122356814ASilicone GelsSilicone matrix
The application discloses a preparation method and application of a silicone gel modified tungsten disulfide insulating composite material for high-voltage and high-power power electronic device packaging, and proposes that tungsten disulfide is modified by Tris and a silane coupling agent to prepare an organic silicone gel composite insulating material; the method effectively improves the interface compatibility of inorganic fillers and an organic silicone matrix, solves the problem of easy agglomeration of tungsten disulfide nanomaterials, realizes uniform dispersion of the tungsten disulfide nanomaterials in the gel, and has the advantages of simple process, mild conditions and facilitation of large-scale production since the preparation process only needs normal-temperature ultrasonic, magnetic stirring, centrifugal washing and vacuum drying; the introduction of tungsten disulfide regulates the trap energy level distribution and improves the electric field distribution and heat dissipation by using the heat conduction characteristics of the tungsten disulfide; and the results show that the breakdown field strength is increased by 20.4%, the thermal weight loss T5% reaches 377 DEG C, the initial voltage of partial discharge is increased by 48.5%, and the comprehensive performance meets the requirements of new-generation high-voltage and high-power power electronic device packaging.
Owner:HEBEI UNIV OF TECH

Silicone gel dressing for rapid absorption of wound exudate

ActiveCN224540439USilicone GelsPolymer science
The utility model discloses a silicon gel dressing of fast absorption wound exudate relates to dressing technical field. Its technical scheme is: including the substrate layer, the core layer, the silicon gel layer and the release film layer that set gradually, be provided with the opening on the silicon gel layer, the core layer sets up at the opening of silicon gel layer and the edge of core layer is bonded with the edge of opening, makes the core layer by the opening of silicon gel layer exposes, the core layer and the part of silicon gel layer that stretches out the core layer all are bonded on the substrate layer, be provided with a plurality of through -holes on the silicon gel layer. The utility model provides the silicon gel dressing of fast absorption wound exudate, realizes the efficient absorption wound exudate of core layer, and the porous structure of silicon gel layer has the ability of ventilative dampness, reduces skin impregnation and the allergic phenomenon, promotes the paste stability and pasting comfort of dressing, and simple structure design is suitable for large -scale production.
Owner:SHINVA ANDE HEALTHCARE APP CO LTD

Filler material used for internal filling of breast implants

PendingCN122297780ASilicone GelsBreast implant
This application relates to a filler for internal filling of breast implants, wherein the filler contains a bio-cellulose hydrogel. Further, the filler may also contain a certain amount of sterile saline and / or silicone gel. By mixing the bio-cellulose hydrogel containing hyaluronic acid of this invention with an appropriate amount of silicone gel or saline and adding it into the implant shell, a filling-type breast implant is manufactured, which possesses high elasticity and toughness, as well as good biocompatibility, while reducing leakage of implant contents and inflammatory reactions.
Owner:HAINAN GUANGYU BIOTECH +1

A power module package structure

ActiveCN224460589USilicone GelsMechanical engineering
This application discloses a power module packaging structure, which includes a first substrate; a power device located on a first surface of the first substrate; a housing including opposing first and second sides, and opposing third and fourth sides, the first, second, third, and fourth sides of the housing surrounding the first substrate, the first and third sides being perpendicular, and each of the first, second, third, and fourth sides having a support structure, the support structures of the first, second, third, and fourth sides being connected; silicone gel covering the first substrate and the power device; a second substrate located on the support structure and situated on a second surface of the first substrate; and grooves on the second surface of the support structure. By improving the grooves on the second surface of the support structure that contact the substrate, the generation of bubbles is reduced, and the stability and insulation performance of the adhesive layer are improved.
Owner:CHENGDU SILAN SEMICON MFG +1

A high thermal conductive gasket with resilience and a method of manufacturing the same

PendingCN122103903ACooling/ventilation/heating modificationsFiberSilicone Gels
The application discloses a high-thermal-conductivity gasket with resilience, which is a single-layer integrated structure, and a main body of the gasket is composed of a continuous-phase matrix of an addition-type silicone gel, the gel is formed through a hydrosilation reaction of a special-structure vinyl silicone oil and a polysiloxane cross-linking agent containing Si-H groups; and carbon fibers that are surface-modified are uniformly dispersed in the gel matrix. The application introduces carbon fibers that are subjected to surface oxidation treatment as a thermal-conductivity functional phase, controls the length, diameter and length-diameter ratio of the carbon fibers, and combines a bimodal distribution and a micro-beam compound design to realize three-dimensional uniform dispersion under low-shear mixing and vacuum defoaming processes, so that a continuous thermal-conductivity channel is formed through the matrix; the interface compatibility of the carbon fiber surface polarity after modification with the silicone matrix is improved, the interface is firmly combined, the scattering and thermal resistance of phonons at the interface are effectively reduced, and high-efficiency thermal conduction is realized; micro-mechanical support is provided in the thickness direction, the flow and collapse of the matrix under long-term compression are inhibited, and the resilience retention rate is improved.
Owner:SUZHOU JINGHAN NEW MATERIAL TECHNOLOGY CO LTD

A press-fit silicon carbide power module packaging structure

This invention relates to a press-fit silicon carbide power module packaging structure, belonging to the field of power semiconductor device technology. This structure is a single-tube structure with multiple chips connected in parallel. The silicon carbide chips are double-sided welded, with the chip drain welded to a drain substrate for reliable fixation and good electrothermal connection. Simultaneously, the chip source electrode is extended by welding source metal pillars. A flexible interconnect material is used between the source metal pillars and the source substrate to achieve pressureless electrothermal connection. An insulating support shell provides mechanical support for the module's internal structure while achieving electrical insulation. The chip's gate and Kelvin source are led out through a flexible PCB board fixed to the insulating support shell. The module's internal structure achieves reliable sealing through multiple design features, including controlling the length of the metal pillars, setting up dam-like barriers, and filling with silicone gel, thereby ensuring normal operation of the module in any orientation. This invention also allows for the application of higher external clamping forces to reduce the contact thermal resistance between the module and the heat sink.
Owner:CHONGQING UNIV

Pelvic organ group module for CT-guidable puncture injection via posterior fornix of vagina

PCT designated stageWO2026137930A1Puncture procedureRectum wall
A pelvic organ group module for CT-guidable puncture injection via a posterior fornix of a vagina and a manufacturing method therefor, and a female pelvis model. The pelvic organ group module is a module made of silicone gel and comprising a pelvic organ cavity. The pelvic organ cavity contains a bladder (a) and a urinary tract connected to the bladder (a), a uterus (b) and a vagina connected to the uterus (b), and a rectal segment (c) in a female pelvis. The pelvic organ group module further comprises a separable puncture replacement block. The puncture replacement block is a replacement block composed of a lower half cavity wall of the vagina from a vaginal orifice to a posterior fornix of the vagina and an upper half cavity wall of a rectal wall adjacent to a lower half cavity of the vagina. An injection cavity for hydrogel is further reserved in the puncture replacement block, and the position of the injection cavity for hydrogel is a position between the posterior fornix of the vagina and the rectal wall. The reliability and safety of a CT-guided puncture procedure for injection of medical hydrogel via the posterior fornix of the vagina can be improved.
Owner:SHANGHAI RUINING BIOTECH CO LTD

Aluminum-silicon-yttrium ternary aerogel composite and method for preparing the same

ActiveCN117585975BSilicone GelsSilicon
The application discloses a preparation method of aluminum-silicon-yttrium ternary aerogel composite material and the aluminum-silicon-yttrium ternary aerogel composite material prepared by the method. The preparation method of the aluminum-silicon-yttrium ternary aerogel composite material comprises the following steps: performing sol immersion on a support body to obtain an immersed support body; wherein the sol comprises a silicon sol and an aluminum-yttrium sol; performing gelation treatment on the immersed support body to obtain a composite aluminum-yttrium-silicon gel support body; and performing aging and drying on the composite aluminum-yttrium-silicon gel support body to obtain the aluminum-silicon-yttrium ternary aerogel composite material. The prepared aluminum-silicon-yttrium ternary aerogel composite material has high-temperature stability, the thermal conductivity is less than or equal to 0.105 W / m.k at 1200 DEG C, and the volume shrinkage rate is 4-8% of the original volume after 1200 DEG C heat treatment for 30 min.
Owner:SHANDONG RES & DESIGN ACADEMY OF IND CERAMICS

A controlled release medical dressing and a method of making the same

The application discloses a controlled-release medical dressing and a preparation method thereof, and comprises the following raw materials in parts by mass: end-vinyl silicone oil 60-80 parts, crosslinked hydrogen silicone oil 1-5 parts, pyridine-modified hydrogen-containing silicone oil 0.2-0.8 parts, silane-modified polyether resin 5-10 parts, modified filler 8-15 parts, platinum gold catalyst 0.01-0.1 parts, inhibitor 0.005-0.05 parts, and silver-based antibacterial agent 1-3 parts; and the surface of the modified filler is grafted with polypyrrole. The application can improve the cohesive strength and peeling integrity of the silicone gel on the premise of maintaining the flexible and conformable property of the silicone gel, so that the controlled-release medical dressing with comfort, safety and mechanical strength is obtained.
Owner:HUBEI SILANON CO LTD

A wound drain securement device

PendingCN122342891ASilicone GelsAdhesive
This invention discloses a wound drainage tube fixation device, belonging to the field of medical auxiliary device technology. Specifically, it is a wound drainage tube fixation device comprising a main fixing base with auxiliary fixing wings at both ends and a skin protective pad made of hydrocolloid or silicone gel dressing at the lower end, providing anti-allergy and exudate absorption functions. A malleable fixing track, made of metal tubing or malleable plastic strip, is provided on the upper end of the main fixing base, which can be shaped according to the drainage tube's direction. An upper covering fixing strap is also provided on the upper end of the main fixing base, fixed at one end and connected at the other end via hook and loop fasteners. Its end face has a transparent observation window with graduated lines for marking the insertion depth of the drainage tube. The auxiliary fixing wings are covered with a medical pressure-sensitive adhesive layer. An observation window can be opened in the center of the device, and the edges of all components are designed with smooth arcs. This device is reliably fixed, flexibly shaped, easy to observe, and protects the skin.
Owner:PEOPLES HOSPITAL OF XINJIANG UYGUR AUTONOMOUS REGION

Preparation method and application of high-insulation silicone gel for SiC device packaging

PendingCN122302570ASilicone GelsPolymer science
This application relates to the technical field of insulating encapsulation materials for electronic components, and discloses a method for preparing and applying a high-insulation silicone gel for SiC device encapsulation. The method includes: uniformly dispersing silicone gel component A and crystalline anthrone at room temperature to obtain a premixed solution; adding silicone gel component B to the premixed solution and mixing uniformly, followed by vacuum degassing and defoaming; pouring the defoamed solution into a mold and curing at room temperature to obtain a high-insulation silicone gel. This invention directly dops anthrone into an addition-type silicone gel matrix, utilizing the difference in dielectric properties between the anthrone crystal and the matrix, as well as the polar groups, to construct a bimodal distribution of deep and shallow traps within the material. The resulting composite gel can synergistically capture charge carriers and dissipate electron kinetic energy, effectively suppressing space charge accumulation and partial discharge, improving the material's breakdown strength and heat resistance, and meeting the high-voltage insulating encapsulation requirements of next-generation high-power SiC devices.
Owner:HEBEI UNIV OF TECH

Buffering and heat dissipation integrated graphite copper foil gel composite tape for under-screen support

ActiveCN224411672USilicone GelsCopper foil
The utility model discloses a buffer heat dissipation integrated graphite copper foil gel composite adhesive tape for screen support, including copper foil base material, copper foil base material one side is provided with the red processing layer, copper foil base material other side is provided with acrylic adhesive layer, acrylic adhesive layer is provided with graphite heat dissipation layer away from copper foil base material one side, graphite heat dissipation layer is provided with silicon gel buffer layer away from acrylic adhesive layer one side, silicon gel buffer layer is provided with fluorine plastic release layer away from graphite heat dissipation layer one side, and the structure has high strength, the characteristics of oxidation resistance, and has excellent buffering and heat dissipation performance simultaneously.
Owner:WUHU HANPIN ELECTRONICS CO LTD

A fluconazole-silicone foam dressing for incontinence dermatitis prevention and a method for preparing the same

PendingCN122097656AAbsorbent padsBandagesDermal exposureMicrosphere
The present application provides a kind of fluconazole-silicone foam dressing for incontinence dermatitis protection and its preparation method, the dressing is sequentially waterproof breathable backing layer, fluconazole-containing silicone modified polyurethane foam liquid-absorbing layer, silicone gel skin contact layer from outside to inside;In liquid-absorbing layer, fluconazole is loaded on mesoporous silica nanospheres, and the surface of microsphere is grafted with silicone modified polymer, and the silicone grafting rate of foam liquid-absorbing layer is 8%~15%.The present application has the advantages of high-efficiency liquid absorption, low hardness after liquid absorption, pH targeted drug release, no silicone migration and precipitation, no adhesion and easy removal, can effectively prevent incontinence dermatitis, inhibit secondary fungal infection, reduce secondary skin damage, and meet the clinical incontinence care needs.
Owner:HAIKOU THIRD PEOPLES HOSPITAL

A multi-substrate plasma surface modification method for high voltage power supply device potting structure

This invention discloses a plasma surface modification method for multi-substrate encapsulation structures in high-voltage power supply devices, belonging to the field of material surface modification technology. This invention significantly enhances the interfacial bonding strength and electrical insulation performance between the encapsulation structure substrate and the silicone gel by plasma activation treatment of the substrate material, introducing oxygen-containing polar functional groups and constructing a nano- to micron-level rough structure. Compared to untreated materials, the adhesive strength of the treated encapsulation structure substrate can be increased by more than 50%, and the surface flashover voltage at an electrode spacing of 5-15 mm is not less than 20 kV. Using this invention, the interfacial bonding strength and surface withstand voltage performance of the multi-component heterogeneous materials and the encapsulating silicone gel can be significantly improved, solving the engineering challenge of integrated treatment of multi-component, cross-material encapsulation interfaces in high-voltage power supplies, and offering the advantage of easy online integration with existing vacuum encapsulation production lines.
Owner:HONG KONG UNIV OF SCI & TECH (GUANGZHOU)

A low-power wake-up PKE antenna circuit structure

ActiveCN224437928USilicone GelsWeather resistance
This utility model discloses a low-power wake-up PKE antenna circuit structure, including a mounting plate. A housing is provided on the top surface of the mounting plate. When the low-power wake-up PKE antenna circuit device is in use, to prevent coil breakage or solder joint detachment due to vibration, and indirectly reduce power consumption abnormalities caused by faults, the low-power wake-up PKE antenna circuit device needs overall protection. By bolting, a fixing plate is installed on the top surface of the mounting plate, and the bolts are threaded into the screw holes, so that the housing can be installed on the top surface of the mounting plate, providing overall protection for the low-power wake-up PKE antenna circuit device. At this time, the sealing plug is opened, and silicone gel is poured into the housing. After it solidifies, it becomes a gel-like solid. The silicone gel has high light transmittance, which is suitable for encapsulating and protecting the low-power wake-up PKE antenna circuit device. It has strong weather resistance, good waterproof and moisture-proof effect, and no shrinkage during the curing process, so there is no compressive stress on the device.
Owner:DONGGUAN YAFU INTELLIGENT TECHNOLOGY CO LTD