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178 results about "Silicone sealant" patented technology

Single-component silicone sealant for stainless steel bonding and preparation method thereof

The invention belongs to the technical field of adhesives, and particularly discloses a single-component silicone sealant for stainless steel bonding and a preparation method thereof, and the single-component silicone sealant comprises the following components by weight: 50-60 parts of alpha, omega-dihydroxy polydimethylsiloxane; 10 to 15 parts of a polydopamine coated silicon carbide nanowire; 5 to 15 parts of modified nano aluminum oxide gel; 5 to 10 parts of methyltris (methylethylketoxime) silane; 1 to 3 parts of dodecyl tris (methylethylketoxime) silane; 0.03 to 0.3 part of a coordination enhanced organic tin catalyst; and 8-14 parts of a plasticizer. According to the single-component silicone sealant for stainless steel bonding and the preparation method of the single-component silicone sealant, the modified nanometer aluminum oxide gel is selected, the bonding performance of stainless steel in a humid and hot environment is promoted and improved, the silicon carbide nanowire is coated with polydopamine, the bonding performance of the stainless steel is effectively improved, and the single-component silicone sealant can be widely applied to various indoor and outdoor scenes.
Owner:GUANGDONG SANVO HLDG CO LTD

High-elasticity anti-aging foamed silica gel sealing element

PendingCN121895767APolymer scienceVulcanization
The invention discloses a high-elasticity anti-aging foamed silica gel sealing element, and belongs to the technical field of sealing materials. The silicone rubber is prepared from raw materials including methyl vinyl silicone rubber, fumed silica, hydroxyl-terminated polydimethylsiloxane and the like according to specific parts by weight through the processes of mixing, foaming vulcanization and the like. The apparent density of the sealing element is 0.3-0.6 g / cm < 3 >, the Shore A hardness is 25-45 degrees, the tensile strength is larger than or equal to 2.5 MPa, the elongation at break is larger than or equal to 350%, the performance retention rate is high after the sealing element is aged for 1000 h at the temperature of 150 DEG C, and the sealing element has excellent elasticity and aging resistance. The surface of the anti-slip sealing gasket can be provided with anti-slip textures to meet sealing requirements in the fields of automobiles, electronics and the like, and is long in service life and high in practicability.
Owner:FUJIAN YOUXIN HENGSHUN NEW MATERIALS CO LTD

Transparent silicone sealant and preparation method thereof

The invention belongs to the technical field of silicone sealants, and particularly discloses a transparent silicone sealant and a preparation method thereof. The transparent silicone sealant is prepared from the following raw materials in parts by weight: 100 parts of hydroxyl-terminated polydimethylsiloxane; 8-12 parts of a diluent; 6-10 parts of a filler; 6-10 parts of a cross-linking agent; 1-3 parts of a self-made coupling agent; 0.1 to 0.3 part of a catalyst; wherein the self-made coupling agent is prepared by compounding gamma-aminopropyl trimethoxy silane and an amino silane oligomer, and the self-made coupling agent is prepared by compounding the gamma-aminopropyl trimethoxy silane and the amino silane oligomer; the mass ratio of the gamma-aminopropyl trimethoxy silane to the amino silane oligomer is (1: 1)-(1: 4). According to the invention, the modulus, heat resistance and wet adhesive force of a finally cured coating can be obviously improved, and the coating has very strong storage stability, is not easy to generate performance change in a storage process, and is beneficial to actual production control and long-term storage.
Owner:GUANGZHOU BAIYUN CHEM IND +1

A low-modulus high-resilience modified alcohol-type silicone sealant, and a preparation method and application thereof

PendingCN122326168APolymer sciencePtru catalyst
A low-modulus, high-resilience modified alcohol-based silicone sealant, its preparation method, and its application are disclosed, relating to the field of sealant materials technology. The silicone sealant comprises the following components in parts by weight: 100 parts of α,ω-alkoxysilane ethylidene-terminated polydimethylsiloxane, 30-80 parts of plasticizer, 80-150 parts of reinforcing filler, 0.5-20 parts of silane crosslinking agent, 0.5-10 parts of silane tackifier, and 0.01-1 part of Lewis acid catalyst; wherein the plasticizer is α-alkoxysilane ethylidene-terminated polydimethylsiloxane. The low-modulus, high-resilience silicone sealant of this invention exhibits fast surface drying speed, low modulus, high elastic recovery rate, good adhesion, and weather resistance.
Owner:SHENZHEN BAILICHU GLUE IND CO LTD

A silicone sealant composition for anti-fog vehicle lights and its preparation method

This invention provides an organosilicon sealant composition for anti-fog automotive lights and its preparation method. The organosilicon sealant composition for anti-fog automotive lights comprises the following components: α,ω-dihydroxy polydimethylsiloxane, a first crosslinking agent, a second crosslinking agent, a catalyst, a filler, a coupling agent, and a plasticizer. The first crosslinking agent has 3 alkoxy functional groups, the second crosslinking agent has ≥4 alkoxy functional groups, and the D3-D10 content of α,ω-dihydroxy polydimethylsiloxane is 0.01-0.05 wt%. This invention utilizes a polyalkyloxysilane derivative prepared from a tertiary amine polyol and an isocyanate-based silane coupling agent as a non-volatile second crosslinking agent, which has high activity, does not reduce the reaction rate, and can reduce the amount of the volatile first crosslinking agent. Furthermore, using α,ω-dihydroxy polydimethylsiloxane with a low D3-D10 content as the base adhesive can further reduce volatile components, making the automotive lights less prone to fogging.
Owner:JIANGXI BLUESTAR XINGHUO SILICONE CO LTD

A waste gas treatment device for silicone sealant production

This utility model belongs to the technical field of chemical production equipment and discloses a waste gas treatment device for silicone sealant production. It includes suction hoods installed at various points on the production line, which are sequentially connected via pipes to a dust collector, an incinerator, a wet electrostatic precipitator, an alkaline scrubbing tower, an induced draft fan, and a chimney. The outlet of the dust collector is connected to the inlet of the incinerator, the outlet of the incinerator is connected to the inlet of the wet electrostatic precipitator, the outlet of the wet electrostatic precipitator is connected to the inlet of the alkaline scrubbing tower, the outlet of the alkaline scrubbing tower is connected to the inlet of the induced draft fan, and the outlet of the induced draft fan is connected to the inlet of the chimney. This utility model can treat the waste gas generated during silicone sealant production, ensuring environmental and personal safety.
Owner:LINQU JINDI RUBBER IND CO LTD

Curtain wall silicone adhesive anti-shearing performance non-sidesway testing device and curtain wall silicone adhesive anti-shearing performance non-sidesway testing method

The invention relates to a curtain wall silicone adhesive shear performance non-sidesway testing device and method, and the device comprises a shear test piece which comprises two stone plates and a curtain wall silicone adhesive connected with the two stone plates; the four transverse steel plates are tightly attached to the upper sides and the lower sides of the two stone plates respectively; the square steel hoop is fixed on the outer side of the transverse steel plate; the first sleeve group comprises a first screw, a first sleeve and a second screw, and the first screw and the second screw are connected through the first sleeve; the first vertical guide rail and the second vertical guide rail each comprise a first vertical square steel plate and a second vertical square steel plate, and the lower portion of the first vertical square steel plate is slidably arranged in the second vertical square steel plate in a sleeved mode; the second sleeve group comprises a second screw, a second sleeve and a third screw, and the second screw and the third screw are connected through the second sleeve; compared with the prior art, the device has the advantages of ensuring the test precision and reliability, being convenient to operate, protecting the test piece, reducing the manufacturing cost and the like.
Owner:SHANGHAI NORMAL UNIVERSITY

Special-shaped broken line glass curtain wall mounting structure

The utility model relates to a special-shaped broken line glass curtain wall installation structure which comprises a plurality of pieces of glass, a stand column and cross beams, each piece of glass is fixed with the stand column through an aluminum alloy accessory in the vertical direction, each cross beam is fixed with the glass through an aluminum alloy auxiliary frame and a pressing block, the cross beams are fixed with the stand column through stainless steel plug pins, and the stand column is obliquely arranged. The combined adapter is connected with the steel tube, and the steel tube is welded with the embedded part; and the combined adapter is connected with the steel tube through the stainless steel pin shaft, so that the mounting angle of the combined adapter is convenient to adjust, the mounting angle of the upright post is adjusted, and the glass curtain wall in a continuous sawtooth fold line shape is formed. The aluminum alloy accessories are connected with the stand columns through heat insulation strips. A cavity in the corner of the stand column is filled with polyurethane foam for heat insulation and sealed by double silicone sealants. The glass curtain wall in a continuous sawtooth fold line shape is installed, the problem that the cold bridge effect of the fold angle portion is obvious is solved, and the overall energy-saving performance of the curtain wall is guaranteed.
Owner:3RD CONSTRUCTION (SHENZHEN) CO LTD OF CHINA CONSTRUCTION 5TH ENGINEERING BUREAU

Floor-standing mounting structure of glass curtain wall

The utility model discloses a floor type mounting structure of glass curtain wall relates to glass curtain wall technical field contains stainless steel groove, glass panel, switching steel sheet and concrete base, stainless steel groove passes through indoor terrace lengthways, and the top of stainless steel groove is flush with indoor terrace, switching steel sheet has two, and is located stainless steel groove's both sides respectively, and stainless steel groove is fixed and installed on concrete base through two switching steel sheets, stainless steel groove is U -shaped, and the lower end of glass panel is embedded in stainless steel groove, and the both sides and bottom of glass panel are all provided with flexible pad in stainless steel groove inner wall contact position, and the whole of the whole structure and stability are improved to the whole safety of the guarantee under the strong wind or earthquake load, and it is not easy to displace, and the whole safety is guaranteed, and the sealing of the connecting position is carried out to the silicone sealant, effectively avoid the generation of gap, improve the leakproofness, prevent rainwater seepage.
Owner:SUZHOU GOLD MANTIS CURTAIN WALL CO LTD

Silicone sealant composition

PendingCN122438887APolymer sciencePtru catalyst
The present disclosure provides a one-component room temperature vulcanizable (RTV) silicone sealant composition comprising an alkoxy-terminated organopolysiloxane polymer (a) and a tin-based catalyst (d), and a process for preparing said one-component room temperature vulcanizable (RTV) silicone sealant composition comprising an alkoxy-terminated organopolysiloxane polymer (a) and a tin-based catalyst (d). The one-component room temperature vulcanizable (RTV) silicone sealant composition relies on a novel stabilizer combination (e) of (e)(i) one or more silazanes and one or more silanes (e)(ii) having at least one acetamide group, with the aim of providing a storage-stable one-component room temperature vulcanizable (RTV) silicone sealant composition.
Owner:DOW SILICONES CORP

Two-component room-temperature-curing acetone-removing type organic silicon sealant and preparation method thereof

The invention discloses a double-component room-temperature curing acetone-removing type organic silicon sealant and a preparation method thereof, and belongs to the technical field of polymer sealing materials, the sealant comprises a component A and a component B. The component A comprises alpha, omega dihydroxy polydimethylsiloxane, an acid-resistant reinforcing filler and a thixotropic filler, and the component B comprises a component A and a component B. The component A comprises alpha, omega dihydroxy polydimethylsiloxane, an acid-resistant reinforcing filler and a thixotropic filler. The component B comprises alkoxy-terminated polydimethylsiloxane, an acid-resistant reinforcing filler, a thixotropic filler, a heat-resistant filler, carbon black, a deacetonized cross-linking agent, a silane coupling agent and a catalyst. In particular, the invention also provides a preparation method of the alkoxy-terminated polydimethylsiloxane. The heat resistance of a deacetone silica gel system with excellent heat resistance is further improved and optimized, meanwhile, the requirements for rapid curing and attractive appearance of the microwave oven glue are met, the mixing volume ratio of the two components is 1: 1 during use, the requirement for equipment metering precision is low, and automatic equipment gluing of a gluing robot is facilitated.
Owner:JIANGSU TIDE NEW MATERIAL TECH CO LTD

A new type of vehicle-mounted electronic hookah

This utility model relates to the field of electronic cigarette technology, specifically a novel in-vehicle electronic hookah. The novel in-vehicle electronic hookah includes a main bracket, inside which are a control component and an oil cup. One end of the control component is connected to a microphone component, and the oil cup contains a heating element. A water bottle is connected to the bottom of the main bracket. A smoke outlet is provided on the side wall of the main bracket. The main bracket contains a microphone air passage, a smoke outlet air passage, and a main air inlet air passage. The main air inlet air passage communicates with the microphone air passage and the heating element, and the smoke outlet air passage communicates with the smoke outlet and the water bottle. It also includes an air guide tube, one end of which is connected to the main air inlet air passage, and the other end extends into the water bottle. A first air intake silicone sealant is provided between the air guide tube and the main air inlet air passage. This utility model has excellent water and oil leakage prevention, is convenient for in-vehicle use, and offers high safety.
Owner:SHENZHEN ODIEN TECH DEV CO LTD

UHPC fabricated box culvert structure

The utility model discloses a UHPC (Ultra High Performance Concrete) assembly type box culvert structure, which belongs to the technical field of box culvert structures and comprises a prefabricated box culvert, the prefabricated box culvert comprises a front-end box culvert, a tail-end box culvert and a plurality of groups of middle box culverts, a bottom plate is arranged at the bottom of the prefabricated box culvert, and a guide groove is formed in one end, close to the middle box culverts, of the front-end box culvert. A guide protrusion is arranged at the end, close to the middle box culvert, of the tail end box culvert, the periphery of the outer wall of the guide protrusion is coated with silicone sealant, and the guide protrusion and the guide groove are arranged at the two ends of the middle box culvert respectively. Connecting structures are arranged among the front-end box culvert, the middle box culvert and the tail-end box culvert, the two ends of each connecting structure penetrate through the corresponding guide protrusion and the corresponding guide groove correspondingly, a plurality of sets of U-shaped connecting pieces are arranged on the inner wall of the prefabricated box culvert, and the connecting structures penetrate through the U-shaped connecting pieces. According to the UHPC assembly type box culvert structure, the waterproof effect and the connecting strength are effectively improved, and high efficiency and convenient installation are achieved.
Owner:FUJIAN EXPRESSWAY TECH INNOVATION RES INST CO LTD

A modified polysilazane, two-component silicone sealant and a method for preparing the same

ActiveCN116874795BPolymer sciencePolysilazane
This invention discloses a modified polysilazane, a two-component silicone sealant, and a method for preparing the same. The modified polysilazane is prepared through a nucleophilic substitution reaction of dimethyldichlorosilane, vinyltrichlorosilane, and ethylenediamine. The two-component silicone sealant prepared using the modified polysilazane of this invention significantly improves its hardness under sealed conditions without adversely affecting its curing and performance. Furthermore, it requires a small amount and is highly practical. The two-component silicone sealant prepared using the modified polysilazane of this invention exhibits high hardness retention under sealed conditions, significantly slows down the reversion phenomenon, and maintains good mechanical properties and adhesion even after curing at 90°C under sealed conditions. It also demonstrates excellent resistance to reversion under fully sealed conditions.
Owner:GUANGZHOU BAIYUN CHEM IND +1

Water-resistant and ultraviolet illumination-resistant silicone sealant and preparation method thereof

The invention provides a silicone sealant resistant to water and ultraviolet illumination and a preparation method of the silicone sealant. The silicone sealant is prepared from the following raw materials in parts by mass: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 50-110 parts of nano calcium carbonate, 2-10 parts of silane intercalated montmorillonite, 2-8 parts of a cross-linking agent, 0.5-2 parts of a coupling agent, 0.5-2 parts of modified silane and 1-3 parts of a titanate catalyst. The silicone sealant resistant to water and ultraviolet light illumination is higher in strength, better in water and ultraviolet light illumination resistance and capable of better adapting to harsh natural environment conditions.
Owner:GUANGDONG BAIYUN TECH CO LTD +1

Method for preparing highly uniform silicone elastomer gel by accurately controlling in-situ cross-linking reaction

PendingCN121628119ASilicone GelsPolymer science
The invention discloses a method for preparing highly uniform silicone elastomer gel by accurately controlling in-situ cross-linking reaction, and relates to the technical field of preparation of high polymer materials and organic silicone gel. The invention relates to a silicone sealant, which comprises the following components: a dispersion medium: 60 wt%-90 wt% of polyorganosiloxane; a first reactant: 10 wt%-30 wt% of polyorganosiloxane containing at least two aliphatic unsaturated groups in the molecule; a second reactant: 0.5 wt%-10 wt% of polyorganosiloxane, the molecule of which at least contains two silicon-bonded hydrogen atoms (Si-H); the catalyst is a platinum-based catalyst and is used for promoting the hydrogen silicification reaction. The preparation method comprises the following steps: 1, mixing a first reactant and a second reactant in a dispersion medium with the viscosity of 2-100 cSt, and removing oxygen through nitrogen substitution; and 2, adding a platinum catalyst into the mixture obtained in the step 1, and carrying out an in-situ cross-linking reaction on the polysiloxane containing the aliphatic unsaturated group and the polysiloxane containing the silicon-bonded hydrogen atom so as to directly form particles.
Owner:SHANGHAI ZHONGKAI KECHUANG BIOTECHNOLOGY CO LTD +3

Cooling mechanism for silicone sealant processing

The utility model relates to the field of silicone sealant processing, and discloses a cooling mechanism for silicone sealant processing, which comprises a cooling barrel, a silicone sealant storage barrel is fixedly arranged on the inner wall of the bottom of the cooling barrel, and cooling components are arranged on the cooling barrel and the silicone sealant storage barrel; the cooling assembly comprises a transfer pump, a discharge pipe, a connecting pipe, a return pipe, a cylinder, a main pipe, a branch head, an electromagnetic valve and an adding hopper; the material pump is fixedly installed at the bottom of the cooling barrel, the discharging pipe is fixedly installed at the bottom of the material pump, the connecting pipe is fixedly installed between the discharging pipe and the backflow pipe, the cylinder is fixedly installed on the silicone sealant storage barrel, the backflow pipe is fixedly connected with the cylinder, the main pipe is fixedly connected with the cylinder and the branch head, and the branch head is fixedly connected with the main pipe. And the electromagnetic valve is mounted on the cylinder. The silicone sealant cooling device has the following advantages and effects that the silicone sealant can be rapidly cooled, and the cooling efficiency of the silicone sealant is improved.
Owner:PUYANG CHANGSHENG ADHESIVES TECH CO LTD

A base production system for use in the preparation of a silicone sealant

The utility model relates to silicone sealant technical field especially, it relates to a base material production system used in the preparation of silicone sealant, including dehydration kettle and modification reation kettle, and the outlet of dehydration kettle and the outlet of modification reation kettle are connected with the reaction unit respectively, the top and bottom of reaction unit are equipped with inlet and outlet respectively, and the top of reaction unit is equipped with vacuum port, and the vacuum port is connected with vacuum buffer device, the outside of reaction unit is equipped with first heating part, and the inside of reaction unit is equipped with second heating part and pivot, and one end of pivot is connected with motor, and first dispersion part, second dispersion part and third dispersion part are equipped on pivot. The production system is reasonable in design, can guarantee that material mixes evenly, contacts reaction fully, also discharges the moisture in material, reduces and avoids the generation of air bubble when stirring, guarantees the quality of base material.
Owner:LINQU JINDI RUBBER IND CO LTD

Method for detecting temperature resistance of filler for silicone sealant

The application discloses a kind of detection methods of the temperature resistance of filler for organic silicon sealant, belong to material detection technical field;Including determining the initial fineness value of filler sample, record as L0;Filler sample is baked at 150~180 ℃ condition 2~4 hours;Determine the fineness value of filler sample after baking, record as L1;If L1-L0≥5 μm, determine this filler sample after high temperature will have the phenomenon of return coarse, poor temperature resistance;If L1-L0<5 μm, then determine this filler sample temperature resistance is good;The method described in the application is simple, fast detection, low equipment requirement and accurate and reliable result;Solve the existing problems, such as operation complex, detection efficiency low and poor correlation with actual application of temperature resistance detection method of filler for organic silicon sealant.
Owner:SHANXI WEICHUANGXIN MATERIAL TECH CO LTD

Composite film-forming agent as well as preparation method and application thereof

The invention discloses a composite film-forming agent as well as a preparation method and application thereof, and aims to provide a composite film-forming agent which can remarkably improve the fitting degree and tensile property of base makeup on the skin surface, enhance the glossiness of the makeup surface, improve the hydration degree of the skin, strengthen the moisturizing effect and form a layer of oleophylic makeup-holding film and a moisturizing film with enhanced hydrophilic capacity. Therefore, a dual film forming effect is achieved; according to the technical scheme, the cleaning agent comprises 4-14% of isododecane; the invention relates to a silicone sealant which is prepared from the following components in percentage by weight: 5 to 40 percent of trimethylsiloxane silicate, 5 to 40 percent of hydrogenated (styrene / methyl styrene) indene copolymer, 30 to 40 percent of cyclopentasiloxane (and) PEG / PPG-18 / 18 polydimethylsiloxane, 0 to 12 percent of polyvinyl pyrrolidone, 0 to 1 percent of polyquaternium-51 solution and 10 percent of water, wherein the sum of the components is 100 percent. The invention belongs to the technical field of cosmetics.
Owner:GUANGZHOU ZHONGTONG BIOCHEMICAL PROD CO LTD

An ecological drainage gate

This application provides an ecological drainage gate for water control in modern farmland, comprising: a PE gate and its outer frame for controlling drainage volume; a concrete outer frame for fixing the gate, including a base plate, a back plate, and two fan-shaped side plates; a short outlet pipe at a certain angle installed on the back plate for reliable installation; a filter screen installed on the gate and fixed to the gate structure for filtering floating impurities in the water; and a mudguard installed at the front of the base plate to prevent mud from being carried into the ditch. The advantages of this application are: the use of a filter screen to intercept floating impurities in the water, preventing them from flowing into the ditch; the installation of a mudguard to intercept silt; the ability to open the PE drainage gate to an ideal height with precise control of drainage volume; and the pre-installed inclined outlet pipe connected to the drainage pipe with silicone sealant, eliminating the problem of leakage at the joint.
Owner:JIAXING WUFENG CEMENT PROD MFG CO LTD

Waterproof camera with high sealing performance

The utility model relates to the technical field of cameras, in particular to a waterproof camera with high sealing performance, which comprises a mounting bottom plate, one end of the mounting bottom plate is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a reinforcing piece, and one end of the bottom of the supporting plate is provided with an adjusting assembly. A mounting support is mounted at the top of the adjusting assembly, and a device body is mounted at the top of the mounting support. According to the improved waterproof camera, the sealing ring is additionally arranged, so that the sealing ring can be effectively pressed when the base and the shell are connected and mounted, the sealing stability is further ensured, and corresponding sealing work can be performed through the sealing ring; according to the camera shooting device, the camera lens and the base are arranged in the shell, silicone sealants are coated at the joint of the camera lens and the inner side of the shell and the joint of the base and the shell, so that the sealing performance and the waterproof performance are further improved, the adjusting assembly is additionally arranged, the device body can carry out corresponding camera shooting work in different directions, and therefore the view blind area is reduced.
Owner:LESHAN YONGXIN TECH CO LTD

A biomimetic torsional actuator based on electrohydraulic principle

This invention provides a biomimetic torsional actuator based on the principle of electrostatic hydraulics, addressing the issues of large size and heavy weight in the axial rotation structure of flexible robots. The invention includes a shell, a base, a rotating baffle, and an electrostatic hydraulic actuator. The rotating baffle's structure varies slightly depending on its position. The electrostatic hydraulic actuator consists of ultra-thin copper tape electrodes, a TPU film, and No. 45 transformer oil, with the ultra-thin copper tape electrodes and the TPU film sealed together using Ecoflex 00-10 silicone sealant. By applying a high voltage to the ultra-thin copper tape electrodes of the electrostatic hydraulic actuator, a large number of positive and negative charges accumulate on both sides of the electrodes. The electrostatic force between these charges compresses the TPU film storing the No. 45 transformer oil, causing the opposite sides of the ultra-thin copper tape electrodes to expand, thereby driving the rotating baffle to generate torque and rotation. The rotating baffle and electrostatic hydraulic actuator are arranged in pairs, sector by sector, mimicking the shape of an elephant's trunk, octopus tentacles, and spider joints, enabling torsional motion over a wider range.
Owner:JILIN UNIVERSITY

A high-compression-resilience silicone sealant and its preparation method

This invention relates to a high-compression-resilience silicone sealant and its preparation method, belonging to the field of silicone modification technology. The high-compression-resilience silicone sealant, by weight, comprises 20-35 parts methyl vinyl MQ resin, 30-50 parts vinyl silicone oil 1, 30-50 parts vinyl silicone oil 2, 1-3 parts silane coupling agent, 3-9 parts hydrogen-containing silicone oil, 5-20 parts silica, 0.02-0.1 parts Pt catalyst, 0.02-0.1 parts inhibitor, and 0.03-0.5 parts black pigment. The addition of vinyl silicone oil 1 improves the sealant's resilience; the addition of vinyl silicone oil 2 improves the sealant's toughness.
Owner:YANTAI DARBOND TECH

Inorganic filler pretreatment device for silicone sealant production

The utility model relates to silicone sealant technical field especially relates to a kind of inorganic filler pretreatment device for silicone sealant production, including dispersion kettle, sand mill, spin-vibration screen, first reaction kettle that are sequentially linked, the liquid inlet of first reaction kettle is connected with hydrochloric acid delivery pipeline, and the discharge port of first reaction kettle is connected with first filtering device;The effluent outlet of first filtering device is connected with waste liquid storage tank, and the discharge port of first filtering device is connected with washing kettle, and the discharge port of washing kettle is connected with second reaction kettle, and the feed inlet of second reaction kettle is connected with modifier delivery pipeline, and the discharge port of second reaction kettle is connected with second filtering device, and the discharge port of second filtering device is connected with drying device, and the discharge port of drying device is connected with inorganic filler storage tank.The above-mentioned structure's inorganic filler pretreatment device can effectively remove metal impurities and magnesium salt in inorganic filler (calcium carbonate), and can also modify calcium carbonate, improve the purity of calcium carbonate.
Owner:LINQU JINDI RUBBER IND CO LTD

Organosilicon-modified sealant with high water vapor barrier properties and its preparation method

This invention relates to the field of high-performance sealant preparation technology, specifically to a silicone-modified sealant with high water vapor barrier properties and its synthesis method. The method involves a two-step addition reaction of vinyl-terminated polydimethylsiloxane, hydrogen-terminated polydimethylsiloxane, and vinyl-terminated polyolefin to synthesize a vinyl-terminated polydimethylsiloxane and polyolefin block polymer. This block polymer is then reacted with branched hydrogen-containing silicone oil to obtain an elastomer. With the addition of fillers and careful adjustment of the component ratios, an elastic sealant is prepared. This sealant achieves the mechanical properties of conventional silicone sealants in a single application while simultaneously exhibiting excellent water vapor barrier properties. Testing shows that the water vapor barrier properties of this sealant can reach 3–8 g / m³. 2 It has water vapor barrier properties comparable to butyl rubber.
Owner:ZHENJIANG BOSHEN NEW MATERIALS CO LTD

A device and method for pressing off a film of a carton package

This invention discloses a device and method for removing packaging film from carton boxes by pressing. It includes a belt conveyor I and a belt conveyor II arranged parallel to the belt conveyor I and in the opposite direction. A film bag removal device is mounted above the belt conveyors I and II via a bracket. The film bag removal device includes a telescopic transfer mechanism, a pressing mechanism spanning above the telescopic transfer mechanism, and a carton channel located below the pressing mechanism. The telescopic transfer mechanism includes a telescopic rod, a driving component I for extending and retracting the telescopic rod, and a pull rod connected to the end of the telescopic rod. The pressing mechanism includes a connecting frame, a pressing block located at the end of the connecting frame, and a driving component II for pressing the connecting frame up and down. The carton channel includes a channel support plate, a carton inlet located on the side of the channel support plate, and a release silicone sealant located at the carton inlet. This invention features a reasonable structural design, low manufacturing cost, high working efficiency, and a high degree of automation.
Owner:ZHANGJIAKOU CIGARETTE FACTORY

A cooling device for silicone sealant production

ActiveCN224465075URotational axisAgitator
The utility model discloses a kind of cooling device for silicone sealant production, it is related to silicone sealant production technical field, including cooling tank and the support leg of fixed connection in the bottom of cooling tank, the inside of cooling tank is equipped with cooling pipe, cooling liquid in cooling pipe can be heat dissipation cooling by heat dissipation coil pipe and heat dissipation box cooperation temperature sensor, the cooling liquid temperature inside circulation cooling pipe is raised and cannot be effectively heat dissipated in the problem of continuous production, it is favorable to improve the stability of cooling device when continuous work;The application can be scraped by main scraper and vice scraper cooperation in the rotation shaft drive agitator rod to silicone sealant agitating cooling, main scraper and vice scraper will also be driven to rotate and scrape in the outside of cooling pipe in cooling tank, the problem that part of material is adhered to the outside of cooling pipe and reduces the heat exchange efficiency of cooling pipe when silicone sealant is cooled is solved, it is favorable to improve the work efficiency of cooling device.
Owner:河南昊林新材料科技有限公司

Silicone sealant

ActiveCN309967281SPolymer scienceEngineering
1. The name of the design product: silica gel sealing strip; 2. The use of the design product: oven insulation sealing for baking; 3. The design points of the design: in the shape of the product; 4. The picture or photo that best indicates the design points: perspective view.
Owner:FOSHAN QINIAN MACHINERY EQUIPMENT CO LTD