59 results about "Silicone foam" patented technology

Disclosed herein are new types of foam insulation, and in particular, foam insulation for the exterior surfaces of residential, industrial, institutional or commercial buildings made using new silicone spray foam systems. These inventions relate to isocyanate-free foams used for thermal insulation, flame-retardancy and water resistance. The foams are prepared from silicone polymers with non-fluorinated blowing agents and can be used in the construction industry.

A curable composition for preparing a compressible silicone foam comprises: an alkenyl group-containing component comprising an alkenyl double-terminated polyorganosiloxane, an alkenyl substituted MQ polyorganosiloxane, and an alkenyl substituted copolymerized organosiloxane; and a hydrogen radical-containing component, wherein the hydrogen radical-containing component comprises a hydrogen radical-substituted polyorganosiloxane. The curable composition includes a curing catalyst; a filler composition; and a blowing agent. A compressible foam made from the curable composition and a method of making a compressible foam from the curable composition are also disclosed.

The present disclosure relates to a silicone foam adhesive composition comprising (a) at least one polyorganosiloxane containing at least 2 silicon-bonded alkenyl groups per molecule, (b) at least one polyorganosiloxane containing at least 2 silicon-bonded hydrogen atoms per molecule, (c) a porogen capable of generating hydrogen gas in the presence of (b), comprising (c1) a polyorganosiloxane containing at least 1 silicon-bonded hydroxyl group per molecule, and (c2) water, and (d) a hydrosilylation catalyst; provided that the molar ratio of the hydroxyl groups in component (c2) to the hydroxyl groups in component (c1) is in the range of 1:5 to 20:1. The composition has a lower viscosity, a longer working time, and the cured foam has a lower density, fine and uniform cells.

The present invention provides a laminate with excellent heat insulation and cushioning properties, and an energy storage device equipped with the laminate. [Solution] The laminate of the present disclosure comprises a silicone foam layer and a thermal insulation layer laminated on the silicone foam layer, wherein the thermal insulation layer is an inorganic porous material.

This invention discloses a waterproof high-voltage distribution box with rapid maintenance capability, relating to the field of high-voltage power distribution equipment. This invention solves the problems of poor space adaptability, inconvenient maintenance, and insufficient protection level of existing high-voltage distribution boxes. The box has a top window and a rear maintenance window, with recessed bosses at the windows. The cover plate has bent edges, and a silicone foam sealing gasket is placed between the two, secured with combination screws. The interior of the box is divided into upper and lower layers by a middle mounting plate, with positive and negative components mounted on the middle and bottom mounting plates respectively. Vulnerable fuses are concentrated at the maintenance windows, and a vent valve is installed on the outer wall of the box. This distribution box is suitable for compact spaces, has good waterproof sealing, and allows for rapid replacement of vulnerable parts, improving electrical safety and making it suitable for power distribution scenarios of new energy equipment.

This invention discloses a heat-resistant and flame-retardant multifunctional power cable and its manufacturing method. The power cable includes a cable core and a cable sheath wrapping the cable core, with ceramicized silicone foam filling the space between the cable core and the cable sheath. The cable sheath includes an insulating substrate layer, a flame-retardant heat dissipation layer disposed on its inner side, and a wear-resistant reinforcement layer disposed on its outer side. The inner and outer surfaces of the insulating substrate layer are respectively provided with multiple first connecting blocks and multiple second connecting blocks. Correspondingly, the inner surfaces of the flame-retardant heat dissipation layer and the wear-resistant reinforcement layer are respectively provided with first connecting slots and second connecting slots that fit into them. The multiple first connecting blocks and multiple second connecting blocks are staggered circumferentially along the insulating substrate layer. Compared with the prior art, the power cable provided by this invention, through innovative structural and material design, synergistically achieves multiple functions such as heat resistance and flame retardancy, high strength, wear resistance, bending resistance, and long lifespan.

This invention discloses a silicone foam sheet and a battery module and battery pack containing the same, belonging to the technical field of silicone foam materials. The linear expansion coefficient α of the foam sheet's pore diameter satisfies 1≤α≤8, and the linear contraction coefficient β of the foam sheet's pore wall thickness satisfies 4≤β≤9. This invention enables the silicone foam sheet to have more spatial gaps and a lower thermal conductivity under room temperature conditions; it also enables the silicone foam sheet to maintain an intact pore structure and high strength after sintering at high temperatures, thus preventing breakage. Therefore, the silicone foam sheet of this invention has good thermal insulation performance; simultaneously, the silicone foam sheet of this invention also exhibits good cushioning performance.

The invention provides an organic silicon foam additive as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The organic silicon foam auxiliary agent has a structure as shown in a formula I. In the organic silicon foam auxiliary agent, R is selected from C3-C6 alkyl and C2-C6 alkyleneoxy ethylidene; r1 is selected from methyl or ethyl; n > = 0, x + y > = 1, and hydroxyl content > = 1%. The molecular structure of the silicon foaming agent is designed, and an epoxy ether chain segment, an alcohol ether chain segment and an alkoxy side group are introduced to a side chain of a silicon-oxygen chain segment and act together, so that the double effects of a foaming agent and an adhesion promoter can be achieved at the same time; the obtained foamed silicone rubber has the advantages of low specific gravity, uniform foam holes, good adhesive force, excellent dielectric property and the like. Formula I.

The utility model discloses a device of tearing off release paper on silica gel foam, contain: frame body, receive material module, a pair of clamping module, peeling module and blowing module, wherein, receive material module sets up on frame body for fixed foam, a pair of clamping module and receive material module adjacent arrangement are used for clamping the release paper on foam, peeling module and receive material module adjacent arrangement are used for peeling the release paper foam, blowing module and clamping module adjacent arrangement are used for blowing to the gap between release paper and foam. The utility model greatly improved the release paper tearing efficiency, long time uninterrupted work, avoided the risk of manual operation.

The utility model discloses a cleaning device for silica gel foam processing, which comprises a U-shaped fixing frame, the bottom of the U-shaped fixing frame is fixedly connected with a bottom supporting seat, one side of the U-shaped fixing frame is fixedly connected with a turnover mechanism, two sides of the inside of the U-shaped fixing frame are fixedly connected with a conveying frame, two sides of the conveying frame are fixedly connected with partition plates, and the partition plates are fixedly connected with a bottom supporting seat. According to the silica gel foam washing device, the angle and the position can be adjusted, the washing spray guns can be flexibly moved to wash silica gel foam, and the silica gel foam can be washed according to the actual stain condition, so that the silica gel foam can be washed conveniently. According to the device, cleaning is conducted in a targeted mode, unnecessary excessive cleaning is avoided, damage to the surface of silica gel foam and waste of cleaning liquid are reduced, key dirty areas are washed repeatedly, meanwhile, the device can be rapidly adjusted to a proper position for cleaning according to the size and shape of the foam, and the universality and practicability of the device are improved.

The utility model relates to the field of bra cup design, in particular to a semi-invisible decorative three-dimensional printed cup which comprises a transparent fabric layer, a cotton layer and an inner fabric layer which are sequentially arranged from the outer surface to the inner surface, and the transparent fabric layer comprises a breathable layer, a high-elasticity filling layer and a connecting layer. The pattern layer is located between the connecting layer and the cotton layer and is of a protruding texture structure, the high-elasticity filling layer is made of silica gel foam materials and is of a hollowed-out structure, meanwhile, the multi-layer structural design is optimized in the cotton layer, and transfer of the three-dimensional pattern layer is achieved in a heat transfer printing mode. The purpose of giving consideration to comfort and functionality while improving the decoration effect of the cup body is achieved, and the visual experience of semi-invisible decoration and the good touch sense and durability are achieved.

This document describes a two-part composition that can be used to produce silicone foam and components made therefrom. The two-part composition comprises: (A) a first part comprising: a first vinyl-substituted polysiloxane; a polymerization catalyst; a blowing agent; a first plurality of hydrophobic pyrolytic silica; a plurality of expandable graphite; and a first plurality of inorganic particles having an average diameter of 15 nm to 50 μm, wherein the plurality of inorganic particles are not pyrolytic silica or expandable graphite; and (B) a second part comprising: a second vinyl-substituted polysiloxane; a hydrogenated silyl-substituted polysiloxane; a second plurality of hydrophobic pyrolytic silica; and a second plurality of inorganic particles having an average diameter of 15 nm to 50 μm, wherein the plurality of inorganic particles are not pyrolytic silica or expandable graphite, wherein at least one of the first and second parts comprises a polymerization inhibitor.

A flexible multilayer battery pack insulator for an electric vehicle has a multilayer wall comprising: a first layer of interwoven mineral material, the first layer having a first inner surface and a first outer surface; a first flame retardant coating bonded to the first outer surface; a second layer of interwoven mineral material, the second layer having a second inner surface and a second outer surface; a second flame retardant coating bonded to the second outer surface; and a silicone foam intermediate layer sandwiched between the first inner surface of the first layer and the second inner surface of the second layer.

The present invention relates to new implants, especially breast implants, which are bio-durable, biocompatible, which provide a soft tissue feel, and having a reduced density. Said implants comprise a shell and a filling enclosed by the shell, wherein the filling comprises a silicone foam obtained from a blowable crosslinkable silicone composition comprising an organopolysiloxane having at least two alkenyl groups bonded to silicon per molecule, an organosilicon compound having at least two and preferably at least three hydrogen atoms bonded to silicon per molecule, a hydrosilylation catalyst, at least one porogenic agent which is water, hydrogel, or an aqueous silicone emulsion, at least one chemical blowing agent, and a linear polydimethylsiloxane.

The invention relates to the technical field of silica gel foam production, and discloses a forming device for liquid silica gel foam production and processing, which comprises a forming machine main body and a processing frame arranged at a discharge port of the forming machine main body, and the processing frame is sequentially and rotationally connected with a first guide roller and a first winding roller in the silica gel foam conveying direction; the processing frame is provided with two sets of stripping assemblies located at the upper end and the lower end of the first guide roller correspondingly, and each stripping assembly comprises a stripping roller, a second guide roller and a second winding roller which are sequentially and rotationally connected to the processing frame in the release film conveying direction; the upper-layer stripping assembly is used for stripping an upper-layer release film of the silica gel foam, and the lower-layer stripping assembly is used for stripping a lower-layer release film of the silica gel foam. The device has the following advantages and effects that the release film and the silica gel foam can be automatically separated at a constant speed, compared with manual stripping, the device is more stable and higher in efficiency, and the physical integrity of a foam product and the release film can be better protected.

The utility model discloses a kind of screening devices for liquid silicone foam preparation, including filter tank, the inside of the filter tank is equipped with filter screening layer and anti-blocking brushing assembly, the side of the top of the filter tank is equipped with sealed hopper.The utility model, filter screening layer can carry out screening separation to impurity in liquid silicone, operating drive motor can drive and drive anti-blocking brushing assembly rotation, the residual adhering matter on the upper and lower sides of filter screening layer is cleaned and scraped, simultaneously drive inner wall cleaning assembly, the upper and lower inner walls in the inside of filter tank are all rotated cleaning and scraping material effect, convenient to use, pressurizing air blowing component pressurizes the inside of filter tank, the filtering speed of liquid silicone is accelerated, the filtering screening speed is increased, make device filter plate anti-blocking cleaning and tank self-cleaning effect is good, filtering quality is high, and pressurized filtration mode increases filtering speed, and filtering discharging efficiency is excellent.

The application belongs to the technical field of adhesives, and relates to a kind of organic silicon foaming glue and its preparation method.The organic silicon foaming glue includes component A and component B, the component A includes the following raw materials: vinyl silicone oil, hydroxyl silicone oil, fumed silica, platinum catalyst;The component B includes the following raw materials: vinyl silicone oil, hydrogen-containing silicone oil, fumed silica, flame-retardant microcapsule, inhibitor;Wherein, the core material of the flame-retardant microcapsule is graphene, and the shell material from inside to outside is modified acrylic resin and melamine formaldehyde resin in turn.The organic silicon foaming glue provided in the application solves the problem of high filling amount of existing foaming glue flame retardant and easy leakage of flame retardant in the prior art, and the limiting oxygen index (LOI) of the prepared foaming glue is improved to more than 32%, the vertical burning grade reaches UL94V-0 level, and no melt dripping occurs;The foaming glue remains stable in performance in the range of-60℃~200℃, and after high-low temperature cycle-40℃ / 2h→150℃ / 2h, cycle 10 times, the compression permanent deformation rate is less than or equal to 15%.

The present disclosure relates generally to the field of cushioning articles, and more particularly to the field of articles with pressure management and thermal insulation properties. In some embodiments, the article is a compressible thermally insulating foam for buffering between cells, the compressible thermally insulating foam including a silicone foam having a thermally insulating filler. The present disclosure also relates to methods of making such articles and their use in industrial applications for pressure and thermal management applications.

This utility model discloses a gripping device for adhesive-backed silicone foam, comprising: a first driving mechanism, a first fixing frame, a displacement mechanism, and an adsorption mechanism; wherein, the output end of the first driving mechanism is connected to the first fixing frame and can drive the first fixing frame to reciprocate; the displacement mechanism is connected to the first fixing frame; the adsorption mechanism is connected to the displacement mechanism, and the displacement mechanism can drive the adsorption mechanism to rotate, the adsorption mechanism being used to adsorb the foam. This utility model can provide stable adsorption force, ensuring that the foam will not fall off during gripping and transfer; at the same time, it effectively avoids damage to the foam and the battery cell module, ensuring the quality of the foam and the safety of the battery cell module; it prevents the adhesive backing of the foam from sticking to the adsorption mechanism, facilitating the gripping and release of the foam, and improving production efficiency.

The invention relates to the technical field of organic silicon materials, and particularly discloses agilawood-containing silica gel foam, a preparation method of the agilawood-containing silica gel foam and application of the agilawood-containing silica gel foam in a pillow inner. Comprising the following raw materials in parts by weight: 100 parts of organosiloxane, 5-8 parts of an agilawood functional component, 0.05-0.1 part of a catalyst, 4-7 parts of a cross-linking agent, 2-3 parts of a dispersing agent, 15-25 parts of a reinforcing agent, 3-6 parts of a foaming agent and 0.5-1.5 parts of an auxiliary agent, according to the preparation method, agilawood micromolecules are effectively prevented from being quickly volatilized and lost at the initial stage of processing and using, it is ensured that fragrance can be continuously and stably emitted, the functions of soothing the nerves and helping sleep are improved, and the prepared silica gel foam provides moderate hardness and high rebound resilience, is soft but not prone to collapse, provides lasting comfort, is long in service life, and is suitable for popularization and application. The method has a wide application prospect in the fields of smart home, health care and the like.

1. The name of the design product: Dressing (soft poly silicone foam dressing). 2. The use of the design product: for sticking on the body surface, playing a buffering role, preventing pressure sores. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1. 5. The design product is a thin product, and the left view and the pitch view are omitted.

A composite pad including: a silicone foam; an adhesive layer; and an outer layer, in which the adhesive layer includes a binder and a reactive filler that undergoes a dehydration reaction at a temperature equal to or higher than 100° C., the binder has a hardness in a range of a penetration hardness of 90 to a Shore 00 hardness of 40, the reactive filler is included in an amount of 50 to 300 parts by weight based on 100 parts by weight of the binder, and a thickness of the adhesive layer is in a range of 40 μm to 400 μm.

A curable composition for producing a low-density cast silicone foam comprises a first part and a second part. The first part comprises specific amounts of a polyorganosiloxane with alkenyl end groups, an alkenyl-substituted copolyorganosiloxane, an alkenyl-substituted MQ polyorganosiloxane, a curing catalyst, an inorganic filler, and a chemical blowing agent. The second part comprises a hydride-substituted polyorganosiloxane component. The resulting silicone foams advantageously have a density of less than 240 kg / m³. 3 and a closed-cell content of at least 50%. Curable silicone foams and methods for their production are also described.

Disclosed herein are new types of foam insulation, and in particular, foam insulation for the exterior surfaces of residential, industrial, institutional or commercial buildings made using new silicone spray foam systems. These inventions relate to isocyanate-free foams used for thermal insulation, flame-retardancy and water resistance. The foams are prepared from silicone polymers with non-fluorinated blowing agents and can be used in the construction industry.

The present disclosure provides a method for producing silicone-based polymer foams containing pores. 50 A silicone-based fire-resistant material having a foam structure in which hollow fillers of 10 to 200 microns are bonded, wherein the density of the silicone-based fire-resistant material is 0.1 g / cc to 0.8 g / cc, the Shore A hardness is 1 to 40, and the cell size d of the silicone-based polymer foam is 50 The present invention relates to a silicone-based fireproof material having a particle size of 10 to 1000 microns.

The application belongs to the field of silicone foam cotton preparation, and particularly relates to a continuous foaming preparation process of a microstructure-regulated high and low temperature resistant flame-retardant silicone foam cotton, wherein the silicone foam cotton is prepared by blending and reacting component A and component B at a mass ratio of 1:1; component A comprises the following raw materials: hydroxyl-terminated polydimethylsiloxane, hydroxyl silicone oil, fumed silica, powder aluminum hydroxide, a catalyst and color paste; component B comprises the following raw materials: hydroxyl-terminated polydimethylsiloxane, hydrogen-containing silicone oil, an inhibitor and powder aluminum hydroxide; the silicone foam cotton prepared by the application has excellent comprehensive performance, is resistant to high and low temperatures in a wide temperature range, has stable flame-retardant performance, good mechanical performance and elastic recovery performance, and has uniform and fine pores, and has high performance consistency between batches; the silicone foam cotton can be widely applied to the fields of sealing protection of new energy automobile battery systems, edge sealing of photovoltaic modules, heat insulation protection of energy storage equipment, potting and filling of aerospace electronic devices, and the like, and can completely replace imported similar products, thereby reducing application cost.

This disclosure relates generally to the field of silicone foam articles, and more specifically to the field of silicone foam articles with good compressibility and used as thermal barriers. In a preferred embodiment, the article is a compressible insulating silicone foam containing filler and having different burst pressures in the z (thickness) direction and xy direction. These compressible insulating silicone foams can be used as venting sealants for enclosed environments. This disclosure also relates to a method of manufacturing such articles and their use in industrial applications, such as in battery systems for electric vehicles.

The present application relates to the technical field of foam material auxiliary agent, and particularly relates to a kind of organosilicon foam stabilizer and preparation method thereof.The stabilizer is based on siloxane copolymer main chain containing silicon-hydrogen bond and phenyl fragment, and is made by respectively grafting monoallyl polyether, diallyl polyether and MQ silicone resin containing vinyl group through segmented hydrosilication.The stabilizer has excellent thermal stability, interface film strength and system compatibility in high-temperature polyurethane foaming process, can effectively improve foam height retention rate, refine cell, reduce open cell rate, and significantly improve sagging, and is suitable for high index, high polarity and environmentally friendly foaming formula.By introducing phenyl fragment and covalently grafting MQ domain, the present application realizes the optimization control of foam stabilizer molecular thermal stability and interface structure, and has important significance for improving high-temperature forming quality of polyurethane foam.

The utility model discloses a traction mechanism of liquid silica gel foam, including traction platform, one side of traction platform top is equipped with traction adjusting frame and traction clamping roller spare, the other side of traction platform top is equipped with winding and accomodating subassembly. The utility model, traction clamping roller spare is installed in the inside of traction adjusting frame, the telescopic drive of drive displacement component, when traction clamping roller spare clamping traction foam, can be driven by the lifting of drive displacement component, carry out the tightness adjustment, the two roller bodies of traction clamping roller spare can carry out displacement adjustment, and the different thickness clamping is convenient, and the central alignment arm plays the role of preventing deviation to the front and rear sides of foam, and the shaping alignment structure is installed on the two roller spares of traction clamping roller spare, plays the clamping deviation prevention effect, convenient operation, and good adaptability makes the device have tightness adjustment and stable clamping capacity when traction, is suitable for the foam of different width model, and the deviation prevention alignment effect is good, and the quality of foam traction winding is excellent.

The utility model discloses a kind of moulding device for production of flame-retardant solid silica gel foam, including moulding production platform, the top of moulding production platform is correspondingly provided with the bottom bearing mould and movable die mould of corresponding matching pair.The utility model, by being equipped with anti-deviation lifting structure on the top bracket of moulding production platform, anti-deviation lifting structure can control the lifting operation of movable die mould drive, with moulding production platform carries out die assembly operation, anti-deviation limiting seat plays the role of auxiliary limiting support, gravity anti-deviation lifting, the setting of water injection heat dissipation inner cavity, so that the water cooling cavity, air cooling cavity can be formed in mould, heat dissipation cooling component respectively carries out water cooling heat exchange and air cooling heat dissipation inside water injection heat dissipation inner cavity, can complete rapid cooling operation, so that device can take into account water cooling heat exchange and air cooling heat dissipation capacity, heat dissipation cooling capacity is excellent, convenient for injection moulding cooling operation, improve production efficiency, and die assembly anti-deviation capacity is excellent, production quality is high.