WO2022127156A1 - Caoutchouc de silicone et son procédé de préparation, et piézorésistance et son procédé de préparation - Google Patents

Caoutchouc de silicone et son procédé de préparation, et piézorésistance et son procédé de préparation Download PDF

Info

Publication number
WO2022127156A1
WO2022127156A1 PCT/CN2021/112820 CN2021112820W WO2022127156A1 WO 2022127156 A1 WO2022127156 A1 WO 2022127156A1 CN 2021112820 W CN2021112820 W CN 2021112820W WO 2022127156 A1 WO2022127156 A1 WO 2022127156A1
Authority
WO
WIPO (PCT)
Prior art keywords
parts
silicone oil
mixture
containing vinyl
component
Prior art date
Application number
PCT/CN2021/112820
Other languages
English (en)
Chinese (zh)
Inventor
陈小辉
徐云辉
苏军
张祥贵
Original Assignee
厦门赛尔特电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 厦门赛尔特电子有限公司 filed Critical 厦门赛尔特电子有限公司
Publication of WO2022127156A1 publication Critical patent/WO2022127156A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/02—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistors with envelope or housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors

Definitions

  • the present disclosure relates to the technical field of materials, in particular to a silicone rubber and a preparation method thereof, a varistor and a preparation method thereof.
  • varistor encapsulation materials mainly include dip-coating epoxy resin encapsulation powder, dip-coating liquid epoxy resin, dip-coating phenolic resin encapsulation powder, and dip-coating silicone modified epoxy resin encapsulation powder.
  • Sealing powder dip coating type self-adhesive liquid addition silicone rubber.
  • Varistors prepared by dip-coating epoxy resin encapsulation powder, dip-coating phenolic resin encapsulating powder, and dip-coating silicone-modified epoxy resin encapsulating powder, pins and other special-shaped parts are prone to form stress, and the nearby The encapsulating material is prone to cracking after encapsulation.
  • the encapsulation After the product is tested by severe high and low temperature impact (-40°C*0.5H, 125°C*0.5H, the temperature switching time interval is 3min, 10 cycles, the same below), the encapsulation The material is easy to crack; the varistor encapsulated by the dip-coated self-adhesive liquid addition type silicone rubber, because the cured silicone rubber has poor tear resistance, it is easy to be damaged by mechanical force, and the thickness is uneven.
  • the bottom is thicker, 1.0-2.0mm, while the corners and top of the varistor are thinner, with a thickness of only 0.4-0.8mm.
  • the breakdown voltage is 5-30KV.
  • the technical problem to be solved by the present disclosure is to provide a silicone rubber and a preparation method thereof, a varistor and a preparation method thereof.
  • the first technical solution adopted in the present disclosure is:
  • a silicone rubber is prepared from the following raw materials: B-form hydroxy-containing vinyl silicone oil, A-form hydroxy-containing vinyl silicone oil, catalyst, white carbon black, flame retardant, aluminum hydroxide, low hydrogen-containing silicone oil and inhibitor.
  • a preparation method of silicone rubber comprising the following steps:
  • the preparation method of the A component is:
  • the preparation method of the B component is:
  • a varistor wherein the encapsulating material of the varistor is the above-mentioned silicone rubber.
  • a preparation method of a varistor comprising the following steps:
  • the above-mentioned silicone rubber is injected into the mold, the silicone rubber is molded with the varistor to be processed, and a mold release operation is performed after molding to obtain a varistor.
  • the present disclosure provides a silicone rubber and a preparation method thereof, a varistor and a preparation method thereof, wherein the liquid silicone rubber is prepared from the following raw materials: B-form hydroxyl-containing vinyl silicone oil, A-form hydroxyl-containing vinyl silicone oil, catalyst , white carbon black, flame retardant, aluminum hydroxide, low-hydrogen silicone oil and inhibitor, so that the obtained silicone rubber not only has good high temperature and high humidity resistance, but also has excellent tear resistance. And the silicone rubber is obtained by the above-mentioned preparation method.
  • the above-mentioned silicone rubber is used as the encapsulation material of the varistor to be applied on the varistor, and the varistor is organically combined.
  • the thickness of the silicone rubber is reduced. It can be controlled by the mold, and the surface is flat. Compared with other dipping encapsulation materials, it can overcome the problem of sagging (uneven surface) caused by gravity after dipping. All parts of silicone rubber and varistor are in good condition.
  • the bonding force belongs to the nature of chemical bonding. There is no volatilization of xylene or other solvents during the curing process, and the cured silicone rubber is not easy to be peeled off.
  • Fig. 1 shows the equipment parameter table of a kind of injection molding machine according to the present disclosure
  • Figure 2 shows a table of injection process parameters according to the present disclosure
  • the silicone rubber provided by the present disclosure comprises the following raw materials: B-form hydroxy-containing vinyl silicone oil, A-form hydroxy-containing vinyl silicone oil, catalyst, silica, flame retardant, aluminum hydroxide, low hydrogen-containing silicone oil and inhibitors.
  • the silicone rubber is prepared from the following raw materials: B-type hydroxy-containing vinyl silicone oil, A-type hydroxy-containing vinyl silicone oil, catalyst, silica, flame retardant, aluminum hydroxide, low-hydrogen silicone oil and inhibitor, so that the obtained Silicone rubber not only has good high temperature and high humidity resistance, but also has excellent tear resistance.
  • the silicone rubber provided by the present disclosure has a viscosity of 70-90 Pa ⁇ s before curing, a density of 1.1-1.3 g/cm 3 , and the properties of the silicone rubber after curing: the tensile strength can reach 6-9MPa, and the elongation at break can reach 350%- 500%, tear strength (right angle) ⁇ 16 kN/m, Shore hardness A is 30-60, electrical strength ⁇ 20kV/mm, dielectric loss is (50Hz) 1( ⁇ 0.2) ⁇ 10 -4 , dielectric constant It is (50Hz) 2.5 ( ⁇ 0.2), the tracking resistance is 1A4.5, and the flame retardancy is FV0/1mm.
  • the performance of high temperature and high humidity resistance is shown in: such as 621V varistor, the encapsulated product, the temperature is 85 °C, the humidity is 85%, the load DC voltage is 500Vd, after 1000h test, the varistor voltage change rate Less than 10%, leakage current ⁇ 25 ⁇ A;
  • the corresponding product is injection type silicone rubber, if the white carbon black is 15-25 parts, the corresponding product is molded silicone rubber.
  • color paste is also included.
  • the color paste acts to tone and increase thixotropy. According to the above ratio, the color paste is 1.5 parts.
  • tackifier is also included.
  • the weight ratio of the tackifier and the catalyst is 1:1
  • the viscosity of the B-form hydroxy-containing vinyl silicone oil is 30Pa ⁇ s
  • the viscosity of the low-hydrogen silicone oil is 300-500mPa ⁇ s
  • the active hydrogen content of the low-hydrogen silicone oil is 0.35%-0.50%.
  • the viscosity of the hydroxyl-containing vinyl silicone oil of formula B is 40 Pa.s, and the viscosity of the low hydrogen-containing silicone oil is greater than 300 mPa.s.
  • the preparation method of a kind of silicone rubber provided by the present disclosure comprises the following steps:
  • the preparation method of the A component is:
  • the preparation method of the B component is:
  • the beneficial effect of the present disclosure is that the silicone rubber is prepared by the above preparation method.
  • preparation method of described A component is specifically:
  • the preparation method of the B component is specifically:
  • preparation method of described A component is specifically:
  • the preparation method of the B component is specifically:
  • the tackifier is applied on the surface of metal substrates, inorganic substrates, and organic materials, which can effectively improve the surface properties of substrates and increase the bonding between substrates and adhesives. They have chemical reactions with the hydroxyl groups on the surface of the substrate and the active hydrogen and hydroxyl groups of the silicone rubber, respectively, and form a strong chemical bond (covalent bond) on the two interfaces.
  • the bond energy of the chemical bond is larger than the intermolecular force. , so the presence of chemical bonds on the interface has a higher bond strength.
  • preparation method of the B component is specifically:
  • the present disclosure provides a varistor, wherein the encapsulating material of the varistor is the above-mentioned silicone rubber.
  • the present disclosure also provides a method for preparing a varistor, comprising the following steps:
  • the above-mentioned silicone rubber is injected into the mold, the silicone rubber is molded with the varistor to be processed, and a mold release operation is performed after molding to obtain a varistor.
  • the beneficial effect of the present disclosure is that the above-mentioned silicone rubber is applied to the varistor as the encapsulating material of the varistor, and organically combined with the varistor, and at the same time, during the preparation process of the varistor, After the silicone rubber is injection molded, the thickness of the silicone rubber can be controlled by the mold, and the surface is smooth. Compared with other dipping encapsulation materials, it can overcome the problem of sagging (uneven surface) caused by gravity after dipping. Silicone rubber and various parts of the varistor have good bonding force, which is a chemical bonding property. There is no volatilization of xylene or other solvents during the curing process, and the cured silicone rubber is not easy to be peeled off.
  • a liquid silicone rubber is prepared from the following raw materials: B-form hydroxy-containing vinyl silicone oil, A-form hydroxy-containing vinyl silicone oil, catalyst, white carbon black, flame retardant, aluminum hydroxide, low-hydrogen silicone oil and inhibitor .
  • the viscosity of the hydroxyl-containing vinyl silicone oil of formula B is 30-50Pa.s; the viscosity of the hydroxyl-containing vinyl silicone oil of formula A is greater than 4000mPa.s;
  • the catalyst is Karstedt platinum catalyst or peroxide type vulcanizing agent (such as 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane);
  • the specific surface area of silica is 140-250m 2 /g, the silica is lower than 15% (preferably 8-15 parts) of the hydroxyl-containing vinyl silicone oil of formula B, and the silicone rubber is easily liquid, which is suitable for the injection process. Black is higher than 15%, and the silicone rubber is easy to be solid, which is suitable for the molding process.
  • the active hydrogen content of low-hydrogen silicone oil is 0.35%-0.5%.
  • the white carbon black has been treated with hexamethyldisilazane;
  • the flame retardant is a halogen-free and environmentally friendly flame retardant containing nitrogen, phosphorus, silicon and benzene rings (P, N are macromolecular It exists in the form of organic compounds, and the platinum catalytic system is not poisoned);
  • the inhibitor is a mixed solution of methyl butynol and 1-ethynyl cyclohexanol.
  • the structural formula of low hydrogen silicone oil is:
  • a silicone rubber is prepared from the following raw materials in parts by weight: 95-105 parts of B-form hydroxy-containing vinyl silicone oil, 3-7 parts of A-form hydroxy-containing vinyl silicone oil, 0.1-0.3 parts of catalyst, 8-15 parts of Silica, 25-35 parts of flame retardant, 35-45 parts of aluminum hydroxide, 8-12 parts of low hydrogen silicone oil and 0.1-0.3 parts of inhibitor.
  • a silicone rubber is prepared from the following raw materials in parts by weight: 95 parts of B-form hydroxy-containing vinyl silicone oil, 3 parts of A-form hydroxy-containing vinyl silicone oil, 0.1 part of catalyst, 8 parts of white carbon black, 25 parts of flame retardant agent, 35 parts aluminum hydroxide, 8 parts low hydrogen silicone oil and 0.1 part inhibitor.
  • a silicone rubber is prepared from the following raw materials in parts by weight: 100 parts of B-form hydroxy-containing vinyl silicone oil, 5 parts of A-form hydroxy-containing vinyl silicone oil, 0.2 parts of catalyst, 10 parts of white carbon black, and 30 parts of flame retardant agent, 40 parts aluminum hydroxide, 10 parts low hydrogen silicone oil and 0.2 part inhibitor.
  • a silicone rubber is prepared from the following raw materials in parts by weight: 105 parts of B-form hydroxy-containing vinyl silicone oil, 7 parts of A-form hydroxy-containing vinyl silicone oil, 0.3 parts of platinum catalyst, 15 parts of white carbon black, 35 parts of resistance fuel, 45 parts of aluminum hydroxide, 12 parts of low-hydrogen silicone oil, 0.3 parts of inhibitor and 2 parts of color paste.
  • the raw material of the silicone rubber also includes a tackifier.
  • Embodiment 7 of the present disclosure is:
  • the weight ratio of the tackifier to the catalyst is 1:1
  • the viscosity of the B-form hydroxy-containing vinyl silicone oil is 30 Pa ⁇ s
  • the low hydrogen-containing The viscosity of the silicone oil is 300-500 mPa.s
  • the active hydrogen content of the low-hydrogen silicone oil is 0.35%-0.50%.
  • the viscosity of the hydroxyl-containing vinyl silicone oil of formula B is 40 Pa ⁇ s, and the viscosity of the low hydrogen-containing silicone oil is greater than 300 mPa ⁇ s.
  • the preparation method of a kind of silicone rubber provided by the present disclosure comprises the following steps:
  • the preparation method of the A component is:
  • the preparation method of the B component is:
  • the preparation method of a kind of silicone rubber provided by the present disclosure comprises the following steps:
  • the preparation method of the A component is:
  • the preparation method of the B component is:
  • the preparation method of a kind of silicone rubber provided by the present disclosure comprises the following steps:
  • the preparation method of the A component is:
  • the preparation method of the B component is:
  • the A component and the B component are mixed to obtain the silicone rubber.
  • Embodiment 12 of the present disclosure is:
  • the preparation method of a kind of silicone rubber provided by the present disclosure comprises the following steps:
  • the preparation method of the A component is specifically:
  • the preparation method of the B component is specifically:
  • the viscosity of the B-form hydroxy-containing vinyl silicone oil in the A component and the B component is both 20 Pa ⁇ s.
  • the silicone rubber prepared by this example has a viscosity of 70 Pa ⁇ s before curing, a density of 1.3 g/cm 3 , and properties after curing: tensile strength is 6 MPa, elongation at break is 350%, tear strength (right angle ) is 16kN/m, the electric strength is 22kV/mm, the dielectric loss is (50Hz) 1.1 ⁇ 10 -4 , the dielectric constant is (50Hz) 2.5, the tracking resistance is 1A4.5, and the flame retardancy is FV0/1mm .
  • GB/T 7124 the shear strength of tin-clad copper-VS-tin-clad copper or copper-VS-copper is 1.1MPa. Shore A hardness after curing was 60.
  • the viscosity of adding 48.1kg is the B formula containing hydroxy vinyl silicone oil of 20Pa s, and then adding the A formula containing hydroxy vinyl silicone oil of 2.5kg and the low hydrogen containing silicone oil of 10kg, and the inhibitor (methyl methacrylate) of 0.2kg. butynyl alcohol and 1-ethynyl cyclohexanol mixed solution), and stir well;
  • the preparation method of a kind of silicone rubber provided by the present disclosure comprises the following steps:
  • the preparation method of the A component is specifically:
  • the preparation method of the B component is specifically:
  • the silicone rubber prepared by this example has a viscosity of 85 Pa ⁇ s before curing, a density of 1.2 g/cm 3 , and properties after curing: tensile strength is 7.2 MPa, elongation at break is 500%, tear strength ( Right angle) is 22kN/m, electric strength is 23kV/mm, dielectric loss is (50Hz) 1.2) ⁇ 10 -4 , dielectric constant is (50Hz) 2.7, tracking resistance is 1A4.5, and flame retardancy is FV0 /1mm. GB/T 7124, the shear strength of tin-clad copper-VS-tin-clad copper or copper-VS-copper is 1.2MPa. The Shore A hardness after curing was 45.
  • the viscosity of adding 51.9kg is the B formula containing hydroxy vinyl silicone oil of 30Pa s, then adding the A formula containing hydroxy vinyl silicone oil of 2.5kg, the platinum catalyst of 0.2kg and the epoxy group containing 0.2kg. thickener, and stir well;
  • the viscosity of adding 48.1kg is the B-type hydroxyl-containing vinyl silicone oil of 30Pa s, and then adding the A-type hydroxyl-containing vinyl silicone oil of 2.5kg and the high-viscosity low-hydrogen-containing silicone oil of 10kg (the low-hydrogen-containing silicone oil).
  • the viscosity of silicone oil is greater than 300mPa.s), and 0.2kg of inhibitor (mixed solution of methylbutynol and 1-ethynylcyclohexanol), and stir well;
  • the viscosity of the B-form hydroxy-containing vinyl silicone oil in the A component and the B component is both 40 Pa ⁇ s, and the low-hydrogen-containing silicone oil is a high-viscosity low-hydrogen-containing silicone oil. Silicone oil.
  • the silicone rubber prepared by this example has a viscosity of 90Pa ⁇ s before curing, a density of 1.3g/cm 3 , and properties after curing: tensile strength can reach 7MPa, elongation at break can reach 450%, tear strength ( Right angle) 18kN/m, electrical strength ⁇ 21kV/mm, dielectric loss is (50Hz) 1.0 ⁇ 10 -4 , dielectric constant is (50Hz) 2.5, tracking resistance is 1A4.5, and flame retardancy is FV0/1mm .
  • GB/T 7124 the shear strength of tin-clad copper-VS-tin-clad copper or copper-VS-copper is 1.0MPa. Shore A hardness after curing was 30.
  • the viscosity of adding 48.1kg is the B-type hydroxy-containing vinyl silicone oil of 40Pa s, and then adding the A-type hydroxy-containing vinyl silicone oil of 2.5kg and the high-viscosity low-hydrogen-containing silicone oil of 10kg (the low-hydrogen-containing silicone oil).
  • the viscosity of silicone oil is greater than 300mPa.s), and 0.2kg of inhibitor (mixed solution of methylbutynol and 1-ethynylcyclohexanol), and stir well;
  • a varistor wherein the encapsulating material of the varistor is the above-mentioned silicone rubber.
  • a preparation method of a varistor comprising the following steps:
  • the above-mentioned silicone rubber is injected into the mold, the silicone rubber is molded with the varistor to be processed, and a mold release operation is performed after molding to obtain a varistor.
  • the injection operation is completed by an injection molding machine.
  • a vertical injection molding machine is selected. The equipment parameters of the vertical injection molding machine are shown in Figure 1.
  • Component A in barrel A, component B in barrel B, and color paste in barrel P are metered by the feeding device (proportional valve), then transported to the pre-mixing chamber, mixed by the static split mixer, and injected into the mold In the middle, after the mold is closed, the injection-type silicone rubber is spread on the components and cured by heat. According to the difference of the sample size, it is ensured that there is no excess rubber edge.
  • the process parameters can be referred to Figure 2:
  • a 5 ⁇ m thick self-lubricating coating or PTFE coating can be sprayed on the inside of the mold in advance, and cured by baking at 150°C*10min and 380°C*10min.
  • the present disclosure provides a silicone rubber and a preparation method thereof, a varistor and a preparation method thereof, wherein the silicone rubber is prepared from the following raw materials: B-type hydroxyl-containing vinyl silicone oil, A-type hydroxyl-containing vinyl Base silicone oil, platinum catalyst, silica, halogen-free environmentally friendly flame retardant, aluminum hydroxide, low-hydrogen silicone oil, inhibitor and color paste, so that the obtained liquid silicone rubber not only has good high temperature and high humidity resistance, but also has Excellent tear resistance. And the silicone rubber is obtained by the above-mentioned preparation method.
  • the above-mentioned silicone rubber is used as the encapsulation material of the varistor to be applied on the varistor, and the varistor is organically combined.
  • the thickness of the silicone rubber is reduced. It can be controlled by the mold, and the surface is flat. Compared with other dipping encapsulation materials, it can overcome the problem of sagging (uneven surface) caused by gravity after dipping. All parts of silicone rubber and varistor are in good condition.
  • the bonding force belongs to the nature of chemical bonding. There is no volatilization of xylene or other solvents during the curing process, and the cured silicone rubber is not easy to be peeled off.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente divulgation concerne le domaine technique des matériaux et concerne en particulier un caoutchouc de silicone et son procédé de préparation ainsi qu'une piézorésistance et son procédé de préparation. Le caoutchouc de silicone est préparé à partir des matières premières suivantes : une huile de silicone vinylique contenant un hydroxyle de type B, une huile de silicone vinylique contenant un hydroxyle de type A, un catalyseur, du noir de carbone blanc, un ignifuge respectueux de l'environnement exempt d'halogène, de l'hydroxyde d'aluminium, de l'huile de silicone à faible teneur en hydrogène et un inhibiteur, de telle sorte que le caoutchouc de silicone obtenu présente non seulement de bonnes performances de résistance à haute température et à humidité élevée, mais présente également une excellente résistance à la déchirure.
PCT/CN2021/112820 2020-12-18 2021-08-16 Caoutchouc de silicone et son procédé de préparation, et piézorésistance et son procédé de préparation WO2022127156A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011504698.2 2020-12-18
CN202011504698.2A CN112679958A (zh) 2020-12-18 2020-12-18 一种硅橡胶及其制备方法、压敏电阻及其制备方法

Publications (1)

Publication Number Publication Date
WO2022127156A1 true WO2022127156A1 (fr) 2022-06-23

Family

ID=75449706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/112820 WO2022127156A1 (fr) 2020-12-18 2021-08-16 Caoutchouc de silicone et son procédé de préparation, et piézorésistance et son procédé de préparation

Country Status (2)

Country Link
CN (1) CN112679958A (fr)
WO (1) WO2022127156A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115491038A (zh) * 2022-09-16 2022-12-20 广州市矽友新材料科技有限公司 一种硅橡胶用无卤铂金阻燃剂及其制备方法
CN115522396A (zh) * 2022-10-09 2022-12-27 东莞市科多有机硅材料有限公司 一种高粘结性液体丝印硅橡胶及其制备方法
CN115679722A (zh) * 2022-10-09 2023-02-03 东莞市科多有机硅材料有限公司 一种高弹力液体丝印硅橡胶及其制备方法
CN116178961A (zh) * 2023-03-08 2023-05-30 深圳市森日有机硅材料股份有限公司 一种闭孔型阻燃导热发泡硅胶片及其制备方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112712952B (zh) * 2020-12-18 2022-07-08 厦门赛尔特电子有限公司 一种压敏电阻的包封成型方法
CN112679958A (zh) * 2020-12-18 2021-04-20 厦门赛尔特电子有限公司 一种硅橡胶及其制备方法、压敏电阻及其制备方法
CN114685831A (zh) * 2022-02-22 2022-07-01 镇江中垒新材料科技有限公司 一种模组封闭遮光用新型硅胶发泡膜材料及工艺

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562096A (en) * 1984-12-24 1985-12-31 Dow Corning Corporation Heat-curable silicone compositions, use thereof and stabilizer therefor
US5002807A (en) * 1987-08-19 1991-03-26 Shin-Etsu Chemical Co., Ltd. Silicone composition for impregnating electric parts
CN106633910A (zh) * 2016-08-26 2017-05-10 苏州沃尔兴电子科技有限公司 一种高弹性高抗撕固体硅橡胶组合物及其制备方法
CN108129850A (zh) * 2018-01-11 2018-06-08 东爵有机硅(南京)有限公司 一种高回弹高强度硅橡胶及其制备方法
CN111777860A (zh) * 2020-07-23 2020-10-16 成都铁达电子股份有限公司 一种应用在压敏电阻上的绝缘硅橡胶配方及其制备方法
CN112679958A (zh) * 2020-12-18 2021-04-20 厦门赛尔特电子有限公司 一种硅橡胶及其制备方法、压敏电阻及其制备方法
CN112712952A (zh) * 2020-12-18 2021-04-27 厦门赛尔特电子有限公司 一种压敏电阻的包封成型方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101340525B1 (ko) * 2011-05-11 2014-01-06 한국과학기술연구원 술폰화된 폴리페닐실세스퀴옥산 및 양의 저항온도계수를 가지기 위한 도판트가 도핑된 폴리아닐린 도전체와 그의 제조방법
CN103627178B (zh) * 2013-11-29 2016-08-17 山东东岳有机硅材料有限公司 一种led封装用液体硅橡胶组合物及其制备方法
CN103897403A (zh) * 2014-03-18 2014-07-02 浙江炬泰新材料科技有限公司 一种冷缩电缆附件用液体硅橡胶及其制备和测试方法
CN105838083A (zh) * 2016-05-12 2016-08-10 浙江新安化工集团股份有限公司 一种胶辊用导电液体硅橡胶及其制备方法
CN108219671A (zh) * 2018-01-11 2018-06-29 佛山市天宝利硅工程科技有限公司 一种双组分加成型液体硅橡胶及其制备方法
CN108912691A (zh) * 2018-08-20 2018-11-30 镇江创达新材料科技有限公司 一种低填充量无卤阻燃硅橡胶及其制备方法
CN110085378A (zh) * 2019-04-22 2019-08-02 中国电力科学研究院有限公司 一种内置压敏电阻单元的复合绝缘子装置
CN111710487B (zh) * 2020-07-23 2022-07-01 成都铁达电子股份有限公司 一种采用硅橡胶绝缘层的压敏电阻及其制作方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562096A (en) * 1984-12-24 1985-12-31 Dow Corning Corporation Heat-curable silicone compositions, use thereof and stabilizer therefor
US5002807A (en) * 1987-08-19 1991-03-26 Shin-Etsu Chemical Co., Ltd. Silicone composition for impregnating electric parts
CN106633910A (zh) * 2016-08-26 2017-05-10 苏州沃尔兴电子科技有限公司 一种高弹性高抗撕固体硅橡胶组合物及其制备方法
CN108129850A (zh) * 2018-01-11 2018-06-08 东爵有机硅(南京)有限公司 一种高回弹高强度硅橡胶及其制备方法
CN111777860A (zh) * 2020-07-23 2020-10-16 成都铁达电子股份有限公司 一种应用在压敏电阻上的绝缘硅橡胶配方及其制备方法
CN112679958A (zh) * 2020-12-18 2021-04-20 厦门赛尔特电子有限公司 一种硅橡胶及其制备方法、压敏电阻及其制备方法
CN112712952A (zh) * 2020-12-18 2021-04-27 厦门赛尔特电子有限公司 一种压敏电阻的包封成型方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115491038A (zh) * 2022-09-16 2022-12-20 广州市矽友新材料科技有限公司 一种硅橡胶用无卤铂金阻燃剂及其制备方法
CN115522396A (zh) * 2022-10-09 2022-12-27 东莞市科多有机硅材料有限公司 一种高粘结性液体丝印硅橡胶及其制备方法
CN115679722A (zh) * 2022-10-09 2023-02-03 东莞市科多有机硅材料有限公司 一种高弹力液体丝印硅橡胶及其制备方法
CN115679722B (zh) * 2022-10-09 2024-01-26 东莞市科多有机硅材料有限公司 一种高弹力液体丝印硅橡胶及其制备方法
CN116178961A (zh) * 2023-03-08 2023-05-30 深圳市森日有机硅材料股份有限公司 一种闭孔型阻燃导热发泡硅胶片及其制备方法
CN116178961B (zh) * 2023-03-08 2023-08-29 深圳市森日有机硅材料股份有限公司 一种闭孔型阻燃导热发泡硅胶片及其制备方法

Also Published As

Publication number Publication date
CN112679958A (zh) 2021-04-20

Similar Documents

Publication Publication Date Title
WO2022127156A1 (fr) Caoutchouc de silicone et son procédé de préparation, et piézorésistance et son procédé de préparation
CN102337033B (zh) 一种加成型高导热有机硅电子灌封胶及其制备方法
TWI595052B (zh) 一種高折射率高韌性的耐硫化led封裝矽膠
CN100509961C (zh) 高耐热、快固、中性脱丙酮型室温硫化硅橡胶及其制备方法
CN103030976A (zh) 一种单组份加热固化液体硅橡胶及其制备方法
TW201233725A (en) Epoxy resin composition and semiconductor-sealing material using the same
CN107513367B (zh) 一种脱醇型耐贮存rtv电子披敷胶及其制备方法
WO2022127151A1 (fr) Procédé de moulage par encapsulation de varistance
CN106753208A (zh) 一种氧化石墨烯改性的led导热灌封胶及其制备方法
CN103351627A (zh) 一种加成型导热硅橡胶及其制备方法
CN111057520B (zh) 一种双组份加成型灌封胶及其制备方法和应用
WO2017070921A1 (fr) Caoutchouc de silicone conducteur bicomposant antisédimentation du type fabriqué par addition et son procédé de fabrication
CN110699035A (zh) 一种室温硫化高性能双组分粘接密封硅酮胶的制备
CN110467895A (zh) 一种低粘度高触变性环氧树脂密封胶及其制备方法
CN112745792A (zh) 一种高强度耐候性灌封胶的制备方法
CN104658707A (zh) 光固化铜电子浆料的制备方法
CN105176486A (zh) 一种瓷复合绝缘子用胶黏剂及其制备方法
CN113462128A (zh) 一种树脂组合物、功能膜及其应用
CN109280522A (zh) 耐高温环氧密封胶
CN104178080A (zh) 一种高强度igbt大功率模块封装硅胶及其封装工艺
CN116751531A (zh) 一种导热绝缘胶膜及其制备方法和应用
CN106947428A (zh) 一种双组分有机硅灌封胶及其制备方法
CN115386333B (zh) 低压缩永久变形单组分热固化有机硅密封胶及其制备方法
CN106634812A (zh) 一种高导热低黏度pcb电路板用有机硅树脂灌封胶
CN105482767A (zh) 一种耐湿热老化的加成型硅橡胶密封剂及其制备方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21905089

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21905089

Country of ref document: EP

Kind code of ref document: A1