WO2019047401A1 - 一种用于绝缘操纵杆的复合管材及其制备方法 - Google Patents

一种用于绝缘操纵杆的复合管材及其制备方法 Download PDF

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Publication number
WO2019047401A1
WO2019047401A1 PCT/CN2017/114860 CN2017114860W WO2019047401A1 WO 2019047401 A1 WO2019047401 A1 WO 2019047401A1 CN 2017114860 W CN2017114860 W CN 2017114860W WO 2019047401 A1 WO2019047401 A1 WO 2019047401A1
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WIPO (PCT)
Prior art keywords
fabric
fiber fabric
mixed
composite pipe
aramid
Prior art date
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Ceased
Application number
PCT/CN2017/114860
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English (en)
French (fr)
Inventor
杨威
张卓
尹立
于凡
邢照亮
张翀
陈新
肖雨
史晓宁
陈赟
徐向前
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Global Energy Interconnection Research Institute Co Ltd
State Grid Corp of China SGCC
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Global Energy Interconnection Research Institute Co Ltd
State Grid Corp of China SGCC
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Publication of WO2019047401A1 publication Critical patent/WO2019047401A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/56—Insulating bodies
    • H01B17/60—Composite insulating bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies

Definitions

  • the invention relates to a composite material pipe, in particular to a composite pipe material and a preparation method thereof.
  • GIS Gas Insulated Switchgear is a primary equipment in addition to transformers in substations, including circuit breakers, disconnectors, earthing switches, voltage transformers, current transformers, lightning arresters, busbars, cable terminations, and inlet and outlet sets. Tube and so on. Busbars, circuit breakers, CTs, PTs, disconnectors, and arresters are collectively referred to as switchyards, also known as high-voltage power distribution units. There are three types of high-voltage power distribution devices: the first one is AIS air-insulated conventional power distribution device, the bus bar is exposed directly to the air, the circuit breaker can be porcelain column or can type; the second is H-GIS for short.
  • Hybrid power distribution device the busbar adopts open type, the other is sulphur hexafluoride gas insulated switchgear; the third is sulphur hexafluoride gas insulated fully enclosed power distribution device.
  • the advantages of GIS are small footprint, high reliability, strong safety, and small maintenance workload.
  • the maintenance interval of the main components is not less than 20 years.
  • Composite pipe is widely used in the field of power transmission and transformation equipment. It is an important insulation component and transmission component of GIS equipment. It requires high reliability in mechanical and electrical insulation performance. In recent years, in the handover and operation of GIS, the breakdown and flashover of composite pipe during operation have occurred, which brings great challenges to the safe operation of power transmission.
  • the composite pipe is an insulator for high and low voltage insulated joysticks used in high voltage switches of voltage class above 35kV.
  • SF6 gas is used as the insulating medium. Its structural characteristics are thin and long, and the breaking operation is frequent. Therefore, not only the composite pipe is required. It has very good electrical insulation and mechanical properties, and also requires light weight, low creep and good fatigue resistance.
  • the composite materials prepared by the prior art generally have problems of poor electrical and mechanical properties. Therefore, it is necessary to provide a technical solution to meet the needs of the prior art.
  • the object of the embodiments of the present invention is to provide a novel composite pipe material and a preparation process thereof, and ensure a good interface bond between the resin and the fiber fabric by designing the winding composition of the fiber fabric and the weaving composition of the fiber fabric, and the epoxy resin pair
  • the fiber has sufficient impregnation space to obtain a composite pipe having excellent electrical insulation properties and mechanical properties.
  • an embodiment of the present invention provides a composite pipe for an insulated joystick, the pipe is composed of a resin and a fiber fabric roll, the resin includes an epoxy resin, and the fiber fabric roll is two a hollow tubular structure obtained by winding a fiber fabric above the layer; the fiber fabric roll is impregnated with the epoxy resin.
  • the fiber fabric comprises at least one of an aramid fiber fabric, a glass fiber fabric, a polyester fiber fabric or a polyimide fiber fabric.
  • the fiber fabric roll has at least one layer of fiber fabric which is a mixed knit fabric of two or more fiber fabrics.
  • the inner diameter of the pipe is 20-120 mm.
  • the tube has an outer diameter of 25-160 mm.
  • the tube has a wall thickness of 5-40 mm.
  • the length of the pipe is 300-1200 mm.
  • the mass fraction ratio of the epoxy resin to the fiber fabric is 1.5: (2.7-3.5).
  • the polyester fiber fabric has an areal density of from 100 to 200 g/m 2 .
  • the aramid blended fabric has an areal density of from 140 to 200 g/m 2 .
  • the glass fiber fabric has an areal density of from 220 to 400 g/m 2 .
  • the polyimide fiber fabric has an areal density of 160-220 g/m 2 .
  • the knit fabric has an areal density of from 160 to 400 g/m 2 .
  • the fiber fabric roll comprises an innermost polyester fiber fabric layer, an intermediate layer mixed fabric or a glass fiber fabric layer, and an outermost polyester fiber fabric layer, wherein the mixed fabric is a fragrant Mixed fabric of polyester blended fabric with polyester fabric, blended with aramid blended fabric and polyimide fabric, mixed with aramid fabric and polyester fabric, or aramid fabric and polyimide fiber At least one hybrid method is obtained in the fabric blending.
  • an embodiment of the present invention provides a method for preparing a composite pipe for an insulated joystick, the method comprising the following steps:
  • Two or more kinds of fiber fabrics are superimposed and rolled, and the obtained fiber fabric is wound on a mandrel at 80-120 ° C and a vacuum of -0.08 to -0.09 MPa to dehumidify;
  • the mixture is fed into the mold under a pressure of 0.2-0.5 Mpa, and the fiber fabric roll is immersed at 60-80 ° C and a vacuum degree of -0.08--0.09 MPa for 0.5 to 1 hour, and then maintained at a pressure of 0.4 to 0.6 Mpa. ⁇ 5h;
  • the composite tube After curing at 60-80 ° C for 4-6 h, and then curing at 120-140 ° C for 10-12 h, the composite tube is obtained by demoulding.
  • the method further comprises:
  • the fiber fabric roll is composed of a polyester fiber fabric layer, a mixed knit layer composed of two fiber fabrics, and a polyester fiber fabric layer, respectively, inside and outside.
  • each of the fiber fabric rolls has a thickness of 1 to 3 mm;
  • the mixed knit fabric is a mixture of aramid blended fabric and polyester fiber fabric, and aramid blended fabric and polyimide fiber fabric are mixed.
  • aramid fiber fabric and polyester fiber fabric mixed or aramid fiber fabric and polyimide fiber fabric mixed in at least one of the mixed way; polyester fiber fabric, aramid mixed in the fiber fabric roll
  • the ratio of the mass fraction of the braided fabric to the glass fabric is 1:6:4 to 1:7:3.
  • the curing agent is methyltetrahydrophthalic anhydride; the accelerator is modified imidazole.
  • the mass ratio of the epoxy resin, the curing agent and the accelerator is 100: (50-100): (0.2-2).
  • the winding composition and the winding mode design of the fiber fabric provided by the embodiment of the invention adjust the inner and outer layers of the fiber fabric and the composition of the intermediate layer, and fully ensure the effective infiltration of the epoxy resin system for the fiber fabric, and effectively
  • the amount of dipping of the composite material is improved, and the impregnation of the fiber fabric by the resin is improved, and the product is light in weight, small in creep, and good in fatigue resistance.
  • the embodiment provides a composite pipe for insulating a joystick, the pipe is composed of a resin and a fiber fabric roll, wherein the resin comprises an epoxy resin; the fiber fabric roll is a fiber of two or more layers. a hollow tubular structure in which the fabric is wound; the fibrous web roll is impregnated with the epoxy resin.
  • the fiber fabric comprises at least one of an aramid fiber fabric, a fiberglass fabric, a polyester fiber fabric, or a polyimide fiber fabric.
  • the fiber fabric roll has at least one layer of fiber fabric mixed fabric of two or more fiber fabrics.
  • the inner diameter of the pipe is 20-120 mm, such as an inner diameter of 20, 80, 100 or 120 mm, etc.; and/or,
  • the outer diameter is 25-160 mm, for example, the outer diameter is 25, 100 or 160 mm, etc.; and / or,
  • a wall thickness of 5-40 mm for example, a wall thickness of 5, 20 or 40 mm; and/or,
  • the length is 300-1200mm, for example, the length is 300, 500, 800 or 1200mm.
  • the mass fraction ratio of the epoxy resin to the fiber fabric is 1.5: (2.7 - 3.5), for example, the mass fraction ratio is 1.5: 2.7, 1.5: 3.5, or 1.5: 3.0, and the like.
  • the polyester fiber fabric has an areal density of 100 to 200 g/m 2 , such as an areal density of 100, 150 or 200 g/m 2 , etc.; and/or,
  • the aramid blended fabric has an areal density of 140-200 g/m 2 , for example, an areal density of 140, 180 or 200 g/m 2 , etc.; and/or,
  • the glass fiber fabric has an areal density of 220-400 g/m 2 , for example, an areal density of 220, 300 or 400 g/m 2 , etc.; and/or,
  • the polyimide fiber fabric has an areal density of 160 to 220 g/m 2 , for example, an areal density of 160, 200 or 220 g/m 2 or the like.
  • the mixed fabric areal density of 160-400g / m 2, for example, an areal density of 160, 200 or 400g / m 2.
  • the fiber fabric roll comprises an innermost layer of polyester fiber fabric, a mixed layer of an intermediate layer or a layer of fiberglass fabric, a layer of outermost polyester fiber fabric, wherein the mixture
  • the braid is aramid blended fabric mixed with polyester fabric, aramid blended fabric and polyimide fabric blended, aramid fabric and polyester fabric blended or aramid fabric and polyacyl At least one of the imine fiber fabrics is obtained by mixing.
  • the embodiment further provides a method for preparing a composite pipe for insulating a joystick, wherein the preparation method comprises the following steps:
  • Two or more fabrics are superimposed and rolled into a roll at 80-120 ° C (for example, 80, 100 Or 120 ° C) and -0.08 ⁇ -0.09MPa vacuum to fabricate the fiber fabric on the mandrel to dehumidify;
  • Epoxy resin, curing agent and accelerator at 60-70 ° C (for example, 60, 65 or 70 ° C) and 400-500 rpm / min (for example, 400, 450 or 500 rpm / min), at -0.08 ⁇ - 0.08MPa vacuum defoaming for 4 ⁇ 5h (for example, 4, 4.5 or 5h), to obtain a mixture;
  • the mixture is fed into the mold at a pressure of 0.2 to 0.5 MPa (such as 0.2, 0.3 or 0.5 MPa) at 60 to 80 ° C (for example, 60, 70 or 80 ° C) and a vacuum of -0.08 to -0.09 MPa.
  • a pressure of 0.2 to 0.5 MPa such as 0.2, 0.3 or 0.5 MPa
  • 60 to 80 ° C for example, 60, 70 or 80 ° C
  • a vacuum of -0.08 to -0.09 MPa.
  • Curing at 60-80 ° C for example, 60, 70 or 80 ° C for 4-6 h (such as 4, 5 or 6 h) and then curing at 120-140 ° C (for example, 120, 130 or 140 ° C) for 10 ⁇ 12h (For example, 10, 11 or 12h), demolded composite pipe.
  • the method further includes: machining the two ends of the composite pipe to install a fitting to obtain a composite pipe.
  • the fiber fabric roll is a polyester fiber fabric layer, a mixed knit layer composed of two fiber fabrics, and a polyester fiber fabric layer, respectively, inside and outside.
  • each of the fiber fabric rolls has a thickness of 1 to 3 mm (eg, each layer has a thickness of 1, 2, or 3 mm);
  • the mixed knit fabric is an aramid blended fabric and a polyester fiber fabric.
  • Hybrid, aramid blended fabric mixed with polyimide fabric, aramid fabric and polyester fabric mixed or at least one mixed with aramid fabric and polyimide fabric The ratio of the mass fraction of the polyester fiber fabric, the aramid mixed fiber fabric and the glass fiber fabric in the fiber fabric roll is 1:6:4 to 1:7:3.
  • the curing agent is methyltetrahydrophthalic anhydride; and/or the promoter is a modified imidazole.
  • the epoxy resin, the curing agent, and the accelerator have a mass ratio of 100: (50-100): (0.2-2), for example, 100:100:2, or 100. :50:0.2 Or, 100:80:1 and so on.
  • the composite hollow tube formula is as follows:
  • the aramid blended fabric may be a blended fabric mainly composed of aramid and blended with other fabrics.
  • a mixture of aramid and polyester fibers is taken as an example.
  • Vacuum system pretreatment A rigid nylon plastic pipe is connected between the static mixing equipment, the air compressor, the vacuum pump and the mold, and the resin collector to ensure high vacuum throughout the impregnation process.
  • the mold heating temperature was 100 ° C, and the ratio of epoxy resin, methyl tetrahydrophthalic anhydride and modified imidazole was 100:100:2.
  • the fabric is vacuum dehumidified at 100 ° C, the vacuum degree is -0.08 MPa, the vacuum dehumidification time is 24 h; the resin system heating temperature is 60 ° C, the stirring, the vacuum defoaming time is 4 h, the stirring rotation speed is 400 rpm / min;
  • Resin system vacuum impregnation static mixing equipment is accurately metered by static mixing section (the ratio of epoxy resin, methyltetrahydrophthalic anhydride and modified imidazole is 100:100:2), then sent to the conveying pipeline to resin Put it into the lower port of the mold under the pressure of 0.4Mpa, the vacuum degree is -0.08MPa, and the vacuum immersion time is 0.5h.
  • the resin is sent to the port conveying pipe of the mold, close the control valve of the lower port of the mold, and close the vacuum pump. Applying a pressure of 0.4Mpa to the port on the mold, the holding time is 2h;
  • step 4) curing: the obtained product of step 3) is cured at 80 ° C for 6 h, and cured at 120 ° C for 12 h;
  • demoulding demoulding to obtain composite hollow tube blanks
  • Fitting assembly The composite hollow tube blank is machined and then installed with a fitting to obtain a composite molded product.
  • the composite hollow tube formula is as follows:
  • Vacuum system pretreatment connect the static mixing equipment, air compressor, vacuum pump and mold, and resin collector with hard nylon plastic pipe to ensure high purity during the whole impregnation process. Emptyness.
  • the mold heating temperature was 100 ° C, and the ratio of epoxy resin, methyl tetrahydrophthalic anhydride and modified imidazole was 100:100:2.
  • the fabric is vacuum dehumidified at 100 ° C, the vacuum degree is -0.08 MPa, the vacuum dehumidification time is 24 h; the resin system heating temperature is 60 ° C, the stirring, the vacuum defoaming time is 4 h, the stirring rotation speed is 400 rpm / min;
  • Resin system vacuum impregnation static mixing equipment is accurately metered by static mixing section (the ratio of epoxy resin, methyltetrahydrophthalic anhydride and modified imidazole is 100:100:2), then sent to the conveying pipeline to resin Put it into the lower port of the mold under the pressure of 0.4Mpa, the vacuum degree is -0.08MPa, and the vacuum immersion time is 0.5h.
  • the resin is sent to the port conveying pipe of the mold, close the control valve of the lower port of the mold, and close the vacuum pump. Applying a pressure of 0.4Mpa to the port on the mold, the holding time is 2h;
  • step 4) curing: the obtained product of step 3) is cured at 80 ° C for 6 h, and cured at 120 ° C for 12 h;
  • demoulding demoulding to obtain composite hollow tube blanks
  • Fitting assembly The composite hollow tube blank is machined and then installed with a fitting to obtain a composite molded product.
  • the composite hollow tube formula is as follows:
  • Vacuum system pretreatment A rigid nylon plastic pipe is connected between the static mixing equipment, the air compressor, the vacuum pump and the mold, and the resin collector to ensure high vacuum throughout the impregnation process.
  • the mold heating temperature was 100 ° C, and the ratio of epoxy resin, methyl tetrahydrophthalic anhydride and modified imidazole was 100:100:2.
  • the fabric is vacuum dehumidified at 100 ° C, the vacuum degree is -0.08 MPa, the vacuum dehumidification time is 24 h; the resin system heating temperature is 60 ° C, the stirring, the vacuum defoaming time is 4 h, the stirring rotation speed is 400 rpm / min;
  • Resin system vacuum impregnation static mixing equipment is accurately metered by static mixing section (the ratio of epoxy resin, methyltetrahydrophthalic anhydride and modified imidazole is 100:100:2), then sent to the conveying pipeline to resin Put it into the lower port of the mold under the pressure of 0.4Mpa, the vacuum degree is -0.08MPa, and the vacuum immersion time is 0.5h.
  • the resin is sent to the port conveying pipe of the mold, close the control valve of the lower port of the mold, and close the vacuum pump. Applying a pressure of 0.4Mpa to the port on the mold, the holding time is 2h;
  • step 4) curing: the obtained product of step 3) is cured at 80 ° C for 6 h, and cured at 120 ° C for 12 h;
  • demoulding demoulding to obtain composite hollow tube blanks
  • Fitting assembly The composite hollow tube blank is machined and then installed with a fitting to obtain a composite molded product.
  • the composite hollow tube formula is as follows:
  • Vacuum system pretreatment A rigid nylon plastic pipe is connected between the static mixing equipment, the air compressor, the vacuum pump and the mold, and the resin collector to ensure high vacuum throughout the impregnation process.
  • the mold heating temperature was 100 ° C, and the ratio of epoxy resin, methyl tetrahydrophthalic anhydride and modified imidazole was 100:100:2.
  • the fabric is vacuum dehumidified at 100 ° C, the vacuum degree is -0.08 MPa, the vacuum dehumidification time is 24 h; the resin system heating temperature is 60 ° C, the stirring, the vacuum defoaming time is 4 h, the stirring rotation speed is 400 rpm / min;
  • Resin system vacuum impregnation static mixing equipment is accurately metered by static mixing section (the ratio of epoxy resin, methyltetrahydrophthalic anhydride and modified imidazole is 100:100:2), then sent to the conveying pipeline to resin Put it into the lower port of the mold under the pressure of 0.4Mpa, the vacuum degree is -0.08MPa, and the vacuum immersion time is 0.5h.
  • the resin is sent to the port conveying pipe of the mold, close the control valve of the lower port of the mold, and close the vacuum pump. Applying a pressure of 0.4Mpa to the port on the mold, the holding time is 2h;
  • step 4) curing: the obtained product of step 3) is cured at 80 ° C for 6 h, and cured at 120 ° C for 12 h;
  • demoulding demoulding to obtain composite hollow tube blanks
  • Fitting assembly The composite hollow tube blank is machined and then installed with a fitting to obtain a composite molded product.
  • the aramid blended fabric (or aramid blended fabric) according to the embodiment of the present invention is exemplified by a mixture of aramid and polyimide.
  • the composite hollow tube formula is as follows:
  • Vacuum system pretreatment A rigid nylon plastic pipe is connected between the static mixing equipment, the air compressor, the vacuum pump and the mold, and the resin collector to ensure high vacuum throughout the impregnation process.
  • the mold heating temperature was 100 ° C, and the ratio of epoxy resin, methyl tetrahydrophthalic anhydride and modified imidazole was 100:100:2.
  • the fabric is vacuum dehumidified at 100 ° C, the vacuum degree is -0.08 MPa, the vacuum dehumidification time is 24 h; the resin system heating temperature is 60 ° C, the stirring, the vacuum defoaming time is 4 h, the stirring rotation speed is 400 rpm / min;
  • Resin system vacuum impregnation static mixing equipment is accurately metered by static mixing section (the ratio of epoxy resin, methyltetrahydrophthalic anhydride and modified imidazole is 100:100:2), then sent to the conveying pipeline to resin Put it into the lower port of the mold under the pressure of 0.4Mpa, the vacuum degree is -0.08MPa, and the vacuum immersion time is 0.5h.
  • the resin is sent to the port conveying pipe of the mold, close the control valve of the lower port of the mold, and close the vacuum pump. Applying a pressure of 0.4Mpa to the port on the mold, the holding time is 2h;
  • step 4) curing: the obtained product of step 3) is cured at 80 ° C for 6 h, and cured at 120 ° C for 12 h;
  • demoulding demoulding to obtain composite hollow tube blanks
  • Fitting assembly The composite hollow tube is machined and then installed with a fitting to obtain a composite molded product.
  • the composite hollow tube formula is as follows:
  • Vacuum system pretreatment A rigid nylon plastic pipe is connected between the static mixing equipment, the air compressor, the vacuum pump and the mold, and the resin collector to ensure high vacuum throughout the impregnation process.
  • the mold heating temperature was 100 ° C, and the ratio of epoxy resin, methyl tetrahydrophthalic anhydride and modified imidazole was 100:100:2.
  • the fabric is vacuum dehumidified at 100 ° C, the vacuum degree is -0.08 MPa, the vacuum dehumidification time is 24 h; the resin system heating temperature is 60 ° C, the stirring, the vacuum defoaming time is 4 h, the stirring rotation speed is 400 rpm / min;
  • Resin system vacuum impregnation static mixing equipment is accurately metered by static mixing section (the ratio of epoxy resin, methyltetrahydrophthalic anhydride and modified imidazole is 100:100:2), then sent to the conveying pipeline to resin Put it into the lower port of the mold under the pressure of 0.4Mpa, the vacuum degree is -0.08MPa, and the vacuum immersion time is 0.5h, when the resin is sent to the port delivery pipe of the mold, close the control valve of the lower port of the mold, and close the vacuum pump, apply a pressure of 0.4Mpa from the upper port of the mold, the holding time is 2h;
  • step 4) curing: the obtained product of step 3) is cured at 80 ° C for 6 h, and cured at 120 ° C for 12 h;
  • demoulding demoulding to obtain composite hollow tube blanks
  • Fitting assembly The composite hollow tube blank is machined and then installed with a fitting to obtain a composite molded product.
  • the winding composition and the winding mode design of the fiber fabric adjust the inner and outer layers of the fiber fabric and the composition of the intermediate layer, and fully ensure the effective infiltration of the epoxy resin system to the fiber fabric.
  • the utility model effectively improves the dipping amount of the composite material, improves the impregnation of the fiber fabric by the resin, and has the advantages of light weight, small creep and good fatigue resistance.
  • the composite hollow tube prepared by the embodiment of the invention passes through the fiber fabric
  • the cross-over stacking and weaving composition can effectively reduce the weight of the composite tube while ensuring excellent mechanical properties and electrical insulation properties.
  • the embodiment of the invention adjusts the inner and outer layers of the fiber fabric and the composition of the intermediate layer, which fully ensures the effective wetting of the epoxy resin system for the fiber fabric, effectively improves the dipping amount of the composite material, and improves the resin for the fiber fabric.
  • the impregnation, the product is light in weight, small in creep and good in fatigue resistance.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

本发明实施例提供了一种用于绝缘操纵杆的复合管材及其制备方法，该管材由树脂和纤维织物复合而成，树脂包括环氧树脂，纤维织物交叉叠加制卷。本发明实施例通过纤维织物的卷绕组成和卷绕方式的设计来改变传统树脂与纤维织物之间的浸渍问题，保证了环氧树脂体系对于纤维织物的有效浸润，有效的提高了复合材料的浸胶量，很好的改善了树脂对于纤维织物的浸渍问题，能够在有效的降低复合材料管重量的同时保证其具有优异的机械力学性能和电气绝缘性能。

Description

一种用于绝缘操纵杆的复合管材及其制备方法
相关申请的交叉引用
本申请基于申请号为201710788383.7、申请日为2017年09月05日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明涉及一种复合材料管，具体涉及一种复合管材及其制备方法。
背景技术
GIS气体绝缘组合电器设备(Gas Insulated Switchgear)，是变电站中除变压器外的一次设备，包括断路器、隔离开关、接地开关、电压互感器、电流互感器、避雷器、母线、电缆终端、进出线套管等。母线、断路器、CT、PT、隔离开关、避雷器组合在一起称为开关站，也叫高压配电装置。高压配电装置的形式有三种：第一种是简称AIS的空气绝缘常规配电装置，其母线裸露直接与空气接触，断路器可用瓷柱式或罐式；第二种是简称H－GIS的混合式配电装置，母线采用开敞式，其它均为六氟化硫气体绝缘开关装置；第三种是六氟化硫气体绝缘全封闭配电装置。GIS的优点在于占地面积小，可靠性高，安全性强，维护工作量很小，其主要部件的维修间隔不小于20年。
复合材料管在输变电设备领域应用非常广泛，是GIS设备的重要绝缘组成部件和传动部件，在机械和电气绝缘性能方面要求具有较高的可靠性。近年来，在GIS的交接和运行中，复合材料管在运行过程中击穿、闪络的情况时有发生，给电力传输的安全运行带来较大的挑战。
复合材料管是应用于35kV以上电压等级的高压开关中的高、低压绝缘操纵杆的绝缘件，以SF6气体作绝缘介质，其结构特点细而长，开断操作频繁，因此不仅要求复合材料管具有非常好的电气绝缘性能和机械力学性能，还要求产品重量轻、蠕变小、抗疲劳性能好。但是，现有工艺制备得到的复合材料通常会存在电气性能和机械性能较差的问题，因此，需要提供一种技术方案以满足现有技术的需要。
发明内容
本发明实施例的目的在于提供一种新型复合管材及其制备工艺，通过对纤维织物卷绕组成、纤维织物编织组成的设计，确保树脂与纤维织物之间具有良好的界面结合，环氧树脂对纤维具有充分的浸渍空间，得到具有优良电气绝缘性能和机械力学性能的复合管材。
为了达到上述目的，本发明实施例提供了采用下述技术方案：
第一个方面，本发明实施例提供了一种用于绝缘操纵杆的复合管材，所述管材由树脂和纤维织物卷复合而成，所述树脂包括环氧树脂；所述纤维织物卷为两层以上的纤维织物卷绕而成的空心管状结构；所述纤维织物卷经过所述环氧树脂浸渍。
优选的，所述纤维织物包括芳纶纤维织物、玻璃纤维织物、聚酯纤维织物或聚酰亚胺纤维织物中的至少一种。
优选的，所述纤维织物卷至少有一层纤维织物为两种以上的纤维织物混编而成的混编织物。
优选的，所述管材的内径为20-120mm。
优选的，所述管材的外径为25-160mm。
优选的，所述管材的壁厚为5-40mm。
优选的，所述管材的长度为300-1200mm。
优选的，所述环氧树脂与纤维织物的质量份数比为1.5：(2.7-3.5)。
优选的，所述聚酯纤维织物的面密度为100-200g/m2。
优选的，所述芳纶混编织物的面密度为140-200g/m2。
优选的，所述玻璃纤维织物的面密度为220-400g/m2。
优选的，所述聚酰亚胺纤维织物的面密度为160-220g/m2。
优选的，所述混编织物的面密度为160-400g/m2。
优选的，所述纤维织物卷包括最内层的聚酯纤维织物层、中间层的混编织物或玻璃纤维织物层、最外层的聚酯纤维织物层，其中，所述混编织物为芳纶混编织物与聚酯纤维织物混编、芳纶混编织物与聚酰亚胺纤维织物混编、芳纶纤维织物与聚酯纤维织物混编、或者芳纶纤维织物与聚酰亚胺纤维织物混编中至少一种混编方式得到。
第二个方面，本发明实施例提供了一种用于绝缘操纵杆的复合管材的制备方法，所述制备方法包括如下步骤：
将两种以上的纤维织物交叉叠加制卷，于80-120℃和-0.08～-0.09MPa真空度下将制得的纤维织物卷绕于芯轴上除湿；
于60～70℃和400～500rpm/min转速下混合环氧树脂、固化剂和促进剂，在-0.08～-0.09MPa下真空脱泡4～5h，得混料；
于0.2～0.5Mpa压力下将所述混料送入模具，并于60～80℃和真空度-0.08～-0.09MPa浸渍所述纤维织物卷0.5～1h后于0.4～0.6Mpa压力下保持4～5h；
于60-80℃下固化4～6h后再于120-140℃下固化10～12h，脱模得复合管材。
优选的，进一步包括：
对所述复合管材的两端进行机加工后安装金具得到复合管。
优选的，所述纤维织物卷由内及外分别为聚酯纤维织物层、由两种纤维织物组成的混编织物层和聚酯纤维织物层。
优选的，所述纤维织物卷的每层厚度为1～3mm；所述混编织物为芳纶混编织物与聚酯纤维织物混编、芳纶混编织物与聚酰亚胺纤维织物混编、芳纶纤维织物与聚酯纤维织物混编或芳纶纤维织物与聚酰亚胺纤维织物混编中至少一种混编方式得到；所述纤维织物卷中的聚酯纤维织物、芳纶混编纤维织物与玻璃纤维织物质量份数比为1:6:4～1:7:3。
优选的，所述固化剂为甲基四氢苯酐；所述促进剂为改性咪唑。
优选的，所述环氧树脂、固化剂和促进剂的质量份数比为100：(50-100)：(0.2-2)。
与最接近的现有技术比，本发明实施例提供的技术方案具有以下有益效果：
本发明实施例提供的纤维织物的卷绕组成以及卷绕方式的设计，调整了纤维织物的内外层组成以及中间层的组成，充分的保证了环氧树脂体系对于纤维织物的有效浸润，有效的提高了复合材料的浸胶量，改善了树脂对于纤维织物的浸渍，产品重量轻、蠕变小、抗疲劳性能好。
具体实施方式
下面结合具体实施例作进一步详细说明，对本发明的技术方案进行清楚、完整地描述。
本实施例提供了一种用于绝缘操纵杆的复合管材，所述管材由树脂和纤维织物卷复合而成，其中，所述树脂包括环氧树脂；所述纤维织物卷为两层以上的纤维织物卷绕而成的空心管状结构；所述纤维织物卷经过所述环氧树脂浸渍。
在一具体示例中，所述纤维织物包括芳纶纤维织物、玻璃纤维织物、聚酯纤维织物或聚酰亚胺纤维织物中的至少一种。
在另一具体示例中，所述纤维织物卷至少有一层纤维织物为两种以上的纤维织物混编而成的混编织物。
在另一具体示例中，所述管材的内径为20-120mm，比如，内径为20、80、100或120mm等；和/或，
外径为25-160mm，比如，外径为25、100或160mm等；和/或，
壁厚为5-40mm，比如，壁厚为5、20或40mm等；和/或，
长度为300-1200mm，比如，长度为300、500、800或1200mm等。
在另一具体示例中，所述环氧树脂与纤维织物的质量份数比为1.5：(2.7-3.5)，比如，质量份数比为1.5：2.7、1.5：3.5或1.5：3.0等。
在另一具体示例中，所述聚酯纤维织物的面密度为100-200g/m2，比如，面密度为100、150或200g/m2等；和/或，
所述芳纶混编织物的面密度为140-200g/m2，比如，面密度为140、180或200g/m2等；和/或，
所述玻璃纤维织物的面密度为220-400g/m2，比如，面密度为220、300或400g/m2等；和/或，
所述聚酰亚胺纤维织物的面密度为160-220g/m2，比如，面密度为160、200或220g/m2等。
在另一具体示例中，所述混编织物的面密度为160-400g/m2，比如，面密度为160、200或400g/m2。
在另一具体示例中，所述纤维织物卷包括最内层的聚酯纤维织物层、中间层的混编织物或玻璃纤维织物层、最外层的聚酯纤维织物层，其中，所述混编织物为芳纶混编织物与聚酯纤维织物混编、芳纶混编织物与聚酰亚胺纤维织物混编、芳纶纤维织物与聚酯纤维织物混编或芳纶纤维织物与聚酰亚胺纤维织物混编中至少一种混编方式得到。
本实施例还提供了一种用于绝缘操纵杆的复合管材的制备方法，其中，所述制备方法包括如下步骤：
将两种以上的纤维织物交叉叠加制卷，于80-120℃(比如，80、100 或120℃)和-0.08～-0.09MPa真空度下将制得的纤维织物卷绕于芯轴上除湿；
于60～70℃(比如，60、65或70℃)和400～500rpm/min(比如，400、450或500rpm/min)转速下混合环氧树脂、固化剂和促进剂，在-0.08～-0.09MPa下真空脱泡4～5h(比如，4、4.5或5h)，得混料；
于0.2～0.5Mpa(比如0.2、0.3或0.5Mpa)压力下将所述混料送入模具，并于60～80℃(比如，60、70或80℃)和真空度-0.08～-0.09MPa浸渍所述纤维织物卷0.5～1h(比如，0.5、0.8或1h)后于0.4～0.6Mpa(比如，0.4、0.5或0.6Mpa)压力下保持4～5h(比如，4、4.5或5h)；
于60-80℃(比如，60、70或80℃)下固化4～6h(比如4、5或6h)后再于120-140℃(比如，120、130或140℃)下固化10～12h(比如，10、11或12h)，脱模得复合管材。
在一具体示例中，所述方法还包括：对所述复合管材的两端进行机加工后安装金具得到复合管。
在另一具体示例中，所述纤维织物卷由内及外分别为聚酯纤维织物层、由两种纤维织物组成的混编织物层和聚酯纤维织物层。
在另一具体示例中，所述纤维织物卷的每层厚度为1～3mm(比如，每层厚度为1、2或3mm)；所述混编织物为芳纶混编织物与聚酯纤维织物混编、芳纶混编织物与聚酰亚胺纤维织物混编、芳纶纤维织物与聚酯纤维织物混编或芳纶纤维织物与聚酰亚胺纤维织物混编中至少一种混编方式得到；所述纤维织物卷中的聚酯纤维织物、芳纶混编纤维织物与玻璃纤维织物质量份数比为1:6:4～1:7:3。
在另一具体示例中，所述固化剂为甲基四氢苯酐；和/或，所述促进剂为改性咪唑。
在另一具体示例中，其中，所述环氧树脂、固化剂和促进剂的质量份数比为100：(50-100)：(0.2-2)，比如，100：100：2、或者100：50：0.2 或者，100：80：1等。
以下结合具体示例对本发明实施例做进一步详细说明。
实施例1
复合材料空心圆管配方如下表：
Figure PCTCN2017114860-appb-000001
复合材料空心圆管制备方法：
1)纤维织物的卷绕：将聚酯纤维织物、芳纶混编纤维织物与玻璃纤维织物卷绕在涂覆脱模剂的芯轴上，卷绕过程类似于管状的三明治结构(聚酯纤维织物+芳纶混编纤维织物和玻璃纤维织物二次混编后得到的混编织物+聚酯纤维织物)，纤维织物卷绕完成后将其与芯轴共同装入涂覆脱模剂的模腔中，然后固定模具的两端；
其中，芳纶混编织物可以指以芳纶为主、与其它纤维织物混编得到的混编织物，本发明实施例中以芳纶和聚酯纤维混编为例进行的说明。
2)真空系统预处理：将静态混料设备、空压机、真空泵与模具、树脂收集器之间采用硬质尼龙塑料管进行连接，确保在整个浸渍过程中的高真空度。模具加热温度为100℃，环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2。在100℃对纤维织物进行真空除湿，真空度为-0.08MPa，真空除湿的时间为24h；树脂体系加热温度为60℃，搅拌、真空脱泡时间为4h，搅拌转速为400rpm/min；
3)树脂体系真空浸渍：静态混料设备通过静态混料节精确计量(环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2)后，送入输送管道，将树脂在0.4Mpa压力下放入模具下端口，真空度为-0.08MPa，真空浸渍时间为0.5h，待树脂被送入模具上端口输送管道时，关闭模具下端口的控制阀，同时关闭真空泵，从模具上端口施加0.4Mpa的保压压力，保压时间为2h；
4)固化：步骤3)所得制品于80℃固化6h，于120℃固化12h；
5)脱模：脱模得到复合材料空心圆管毛坯件；
6)金具装配：将复合材料空心圆管毛坯件经机加工后安装金具得到复合材料成型制品。
实施例2
复合材料空心圆管配方如下表：
复合材料空心圆管制备方法：
1)纤维织物的卷绕：将聚酯纤维织物、芳纶混编纤维织物与玻璃纤维织物卷绕在涂覆脱模剂的芯轴上，卷绕过程类似于管状的三明治结构(聚酯纤维织物+芳纶混编纤维织物/玻璃纤维织物+聚酯纤维织物)，纤维织物卷绕完成后将其与芯轴共同装入涂覆脱模剂的模腔中，然后固定模具的两端；
2)真空系统预处理：将静态混料设备、空压机、真空泵与模具、树脂收集器之间采用硬质尼龙塑料管进行连接，确保在整个浸渍过程中的高真 空度。模具加热温度为100℃，环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2。在100℃对纤维织物进行真空除湿，真空度为-0.08MPa，真空除湿的时间为24h；树脂体系加热温度为60℃，搅拌、真空脱泡时间为4h，搅拌转速为400rpm/min；
3)树脂体系真空浸渍：静态混料设备通过静态混料节精确计量(环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2)后，送入输送管道，将树脂在0.4Mpa压力下放入模具下端口，真空度为-0.08MPa，真空浸渍时间为0.5h，待树脂被送入模具上端口输送管道时，关闭模具下端口的控制阀，同时关闭真空泵，从模具上端口施加0.4Mpa的保压压力，保压时间为2h；
4)固化：步骤3)所得制品于80℃固化6h，于120℃固化12h；
5)脱模：脱模得到复合材料空心圆管毛坯件；
6)金具装配：将复合材料空心圆管毛坯件经机加工后安装金具得到复合材料成型制品。
实施例3
复合材料空心圆管配方如下表：
Figure PCTCN2017114860-appb-000003
所述复合材料空心圆管制备工艺：
1)纤维织物的卷绕：将聚酯纤维织物、混编纤维织物与玻璃纤维织物卷绕在涂覆脱模剂的芯轴上，卷绕过程类似于管状的三明治结构(聚酯纤维 织物+混编纤维织物/玻璃纤维织物+聚酯纤维织物)，纤维织物卷绕完成后将其与芯轴共同装入涂覆脱模剂的模腔中，然后固定模具的两端；
2)真空系统预处理：将静态混料设备、空压机、真空泵与模具、树脂收集器之间采用硬质尼龙塑料管进行连接，确保在整个浸渍过程中的高真空度。模具加热温度为100℃，环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2。在100℃对纤维织物进行真空除湿，真空度为-0.08MPa，真空除湿的时间为24h；树脂体系加热温度为60℃，搅拌、真空脱泡时间为4h，搅拌转速为400rpm/min；
3)树脂体系真空浸渍：静态混料设备通过静态混料节精确计量(环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2)后，送入输送管道，将树脂在0.4Mpa压力下放入模具下端口，真空度为-0.08MPa，真空浸渍时间为0.5h，待树脂被送入模具上端口输送管道时，关闭模具下端口的控制阀，同时关闭真空泵，从模具上端口施加0.4Mpa的保压压力，保压时间为2h；
4)固化：步骤3)所得制品于80℃固化6h，于120℃固化12h；
5)脱模：脱模得到复合材料空心圆管毛坯件；
6)金具装配：将复合材料空心圆管毛坯件经机加工后安装金具得到复合材料成型制品。
实施例4
复合材料空心圆管配方如下表：
Figure PCTCN2017114860-appb-000004
Figure PCTCN2017114860-appb-000005
所述复合材料空心圆管制备工艺：
1)纤维织物的卷绕：将聚酯纤维织物、混编纤维织物与玻璃纤维织物卷绕在涂覆脱模剂的芯轴上，卷绕过程类似于管状的三明治结构(聚酯纤维织物+芳纶混编纤维织物和玻璃纤维织物+聚酯纤维织物)，纤维织物卷绕完成后将其与芯轴共同装入涂覆脱模剂的模腔中，然后固定模具的两端；
2)真空系统预处理：将静态混料设备、空压机、真空泵与模具、树脂收集器之间采用硬质尼龙塑料管进行连接，确保在整个浸渍过程中的高真空度。模具加热温度为100℃，环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2。在100℃对纤维织物进行真空除湿，真空度为-0.08MPa，真空除湿的时间为24h；树脂体系加热温度为60℃，搅拌、真空脱泡时间为4h，搅拌转速为400rpm/min；
3)树脂体系真空浸渍：静态混料设备通过静态混料节精确计量(环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2)后，送入输送管道，将树脂在0.4Mpa压力下放入模具下端口，真空度为-0.08MPa，真空浸渍时间为0.5h，待树脂被送入模具上端口输送管道时，关闭模具下端口的控制阀，同时关闭真空泵，从模具上端口施加0.4Mpa的保压压力，保压时间为2h；
4)固化：步骤3)所得制品于80℃固化6h，于120℃固化12h；
5)脱模：脱模得到复合材料空心圆管毛坯件；
6)金具装配：将复合材料空心圆管毛坯件经机加工后安装金具得到复合材料成型制品。
本发明实施例的芳纶混编织物(或称芳纶混编纤维织物)以芳纶与聚酰亚胺混编为例进行的说明。
实施例5
复合材料空心圆管配方如下表：
Figure PCTCN2017114860-appb-000006
复合材料空心圆管制备方法：
1)纤维织物的卷绕：将聚酯纤维织物、芳纶混编纤维织物与玻璃纤维织物卷绕在涂覆脱模剂的芯轴上，卷绕过程类似于管状的三明治结构(聚酯纤维织物+混编纤维织物/玻璃纤维织物+聚酯纤维织物)，纤维织物卷绕完成后将其与芯轴共同装入涂覆脱模剂的模腔中，然后固定模具的两端；
2)真空系统预处理：将静态混料设备、空压机、真空泵与模具、树脂收集器之间采用硬质尼龙塑料管进行连接，确保在整个浸渍过程中的高真空度。模具加热温度为100℃，环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2。在100℃对纤维织物进行真空除湿，真空度为-0.08MPa，真空除湿的时间为24h；树脂体系加热温度为60℃，搅拌、真空脱泡时间为4h，搅拌转速为400rpm/min；
3)树脂体系真空浸渍：静态混料设备通过静态混料节精确计量(环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2)后，送入输送管道，将树脂在0.4Mpa压力下放入模具下端口，真空度为-0.08MPa，真空浸渍时间为0.5h，待树脂被送入模具上端口输送管道时，关闭模具下端口的控制阀，同时关闭真空泵，从模具上端口施加0.4Mpa的保压压力，保压时间为2h；
4)固化：步骤3)所得制品于80℃固化6h，于120℃固化12h；
5)脱模：脱模得到复合材料空心圆管毛坯件；
6)金具装配：将复合材料空心圆管经机加工后安装金具得到复合材料成型制品。
实施例6
复合材料空心圆管配方如下表：
Figure PCTCN2017114860-appb-000007
复合材料空心圆管制备方法：
1)纤维织物的卷绕：将聚酯纤维织物、混编纤维织物与玻璃纤维织物卷绕在涂覆脱模剂的芯轴上，卷绕过程类似于管状的三明治结构(聚酯纤维织物+混编纤维织物/玻璃纤维织物+聚酯纤维织物)，纤维织物卷绕完成后将其与芯轴共同装入涂覆脱模剂的模腔中，然后固定模具的两端；
2)真空系统预处理：将静态混料设备、空压机、真空泵与模具、树脂收集器之间采用硬质尼龙塑料管进行连接，确保在整个浸渍过程中的高真空度。模具加热温度为100℃，环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2。在100℃对纤维织物进行真空除湿，真空度为-0.08MPa，真空除湿的时间为24h；树脂体系加热温度为60℃，搅拌、真空脱泡时间为4h，搅拌转速为400rpm/min；
3)树脂体系真空浸渍：静态混料设备通过静态混料节精确计量(环氧树脂、甲基四氢苯酐和改性咪唑的比例为100:100:2)后，送入输送管道，将树脂在0.4Mpa压力下放入模具下端口，真空度为-0.08MPa，真空浸渍时间为 0.5h，待树脂被送入模具上端口输送管道时，关闭模具下端口的控制阀，同时关闭真空泵，从模具上端口施加0.4Mpa的保压压力，保压时间为2h；
4)固化：步骤3)所得制品于80℃固化6h，于120℃固化12h；
5)脱模：脱模得到复合材料空心圆管毛坯件；
6)金具装配：将复合材料空心圆管毛坯件经机加工后安装金具得到复合材料成型制品。
上述实施例所得产品性能如下表所示：
Figure PCTCN2017114860-appb-000008
以上实施例仅用以说明本发明的技术方案而非对其进行限制，所属领域的普通技术人员应当理解，参照上述实施例可以对本发明的具体实施方式进行修改或者等同替换，这些未脱离本发明精神和范围的任何修改或者等同替换均在申请待批的权利要求保护范围之内。
这样，本发明实施例提供的纤维织物的卷绕组成以及卷绕方式的设计，调整了纤维织物的内外层组成以及中间层的组成，充分的保证了环氧树脂体系对于纤维织物的有效浸润，有效的提高了复合材料的浸胶量，改善了树脂对于纤维织物的浸渍，产品重量轻、蠕变小、抗疲劳性能好。
而且，本发明实施例制备得到的复合材料空心圆管，通过纤维织物的 交叉叠加以及编织组成，能够在有效的降低复合材料管重量的同时保证其具有优异的机械力学性能和电气绝缘性能。
工业实用性
本发明实施例调整了纤维织物的内外层组成以及中间层的组成，充分的保证了环氧树脂体系对于纤维织物的有效浸润，有效的提高了复合材料的浸胶量，改善了树脂对于纤维织物的浸渍，产品重量轻、蠕变小、抗疲劳性能好。

Claims (14)

  1. 一种用于绝缘操纵杆的复合管材，所述管材由树脂和纤维织物卷复合而成，其中，所述树脂包括环氧树脂；所述纤维织物卷为两层以上的纤维织物卷绕而成的空心管状结构；所述纤维织物卷经过所述环氧树脂浸渍。
  2. 根据权利要求1所述的用于绝缘操纵杆的复合管材，其中，所述纤维织物包括芳纶纤维织物、玻璃纤维织物、聚酯纤维织物或聚酰亚胺纤维织物中的至少一种。
  3. 根据权利要求1所述的用于绝缘操纵杆的复合管材，其中，所述纤维织物卷至少有一层纤维织物为两种以上的纤维织物混编而成的混编织物。
  4. 根据权利要求1所述的用于绝缘操纵杆的复合管材，其中，所述管材的内径为20-120mm；和/或，
    外径为25-160mm；和/或，
    壁厚为5-40mm；和/或，
    长度为300-1200mm。
  5. 根据权利要求1所述的用于绝缘操纵杆的复合管材，其中，所述环氧树脂与纤维织物的质量份数比为1.5：(2.7-3.5)。
  6. 根据权利要求2所述的用于绝缘操纵杆的复合管材，其中，所述聚酯纤维织物的面密度为100-200g/m2；和/或，
    所述芳纶混编织物的面密度为140-200g/m2；和/或，
    所述玻璃纤维织物的面密度为220-400g/m2；和/或，
    所述聚酰亚胺纤维织物的面密度为160-220g/m2。
  7. 根据权利要求3所述的用于绝缘操纵杆的复合管材，其中，所述混编织物的面密度为160-400g/m2。
  8. 根据权利要求1所述的用于绝缘操纵杆的复合管材，其中，所述纤 维织物卷包括最内层的聚酯纤维织物层、中间层的混编织物或玻璃纤维织物层、最外层的聚酯纤维织物层，其中，所述混编织物为芳纶混编织物与聚酯纤维织物混编、芳纶混编织物与聚酰亚胺纤维织物混编、芳纶纤维织物与聚酯纤维织物混编或芳纶纤维织物与聚酰亚胺纤维织物混编中至少一种混编方式得到。
  9. 一种用于绝缘操纵杆的复合管材的制备方法，其中，所述制备方法包括如下步骤：
    将两种以上的纤维织物交叉叠加制卷，于80-120℃和-0.08～-0.09MPa真空度下将制得的纤维织物卷绕于芯轴上除湿；
    于60～70℃和400～500rpm/min转速下混合环氧树脂、固化剂和促进剂，在-0.08～-0.09MPa下真空脱泡4～5h，得混料；
    于0.2～0.5Mpa压力下将所述混料送入模具，并于60～80℃和真空度-0.08～-0.09MPa浸渍所述纤维织物卷0.5～1h后于0.4～0.6Mpa压力下保持4～5h；
    于60-80℃下固化4～6h后再于120-140℃下固化10～12h，脱模得复合管材。
  10. 根据权利要求9所述的复合管材的制备方法，其中，进一步包括：
    对所述复合管材的两端进行机加工后安装金具得到复合管。
  11. 根据权利要求9所述的复合管材的制备方法，其中，所述纤维织物卷由内及外分别为聚酯纤维织物层、由两种纤维织物组成的混编织物层和聚酯纤维织物层。
  12. 如权利要求11所述的复合管材的制备方法，其中，所述纤维织物卷的每层厚度为1～3mm；所述混编织物为芳纶混编织物与聚酯纤维织物混编、芳纶混编织物与聚酰亚胺纤维织物混编、芳纶纤维织物与聚酯纤维织物混编或芳纶纤维织物与聚酰亚胺纤维织物混编中至少一种混编方式得 到；所述纤维织物卷中的聚酯纤维织物、芳纶混编纤维织物与玻璃纤维织物质量份数比为1:6:4～1:7:3。
  13. 如权利要求9所述的复合管材的制备方法，其中，所述固化剂为甲基四氢苯酐；和/或，所述促进剂为改性咪唑。
  14. 如权利要求9所述的复合管材的制备方法，其中，所述环氧树脂、固化剂和促进剂的质量份数比为100：(50-100)：(0.2-2)。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490968A (zh) * 2020-11-25 2021-03-12 西安联欣特种瓷有限公司 一种电瓷复合管及其生产设备
CN119974590A (zh) * 2025-03-10 2025-05-13 国网北京市电力公司 一种轻质化操作杆、轻质化操作杆的生产方法和生产设备

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817395B (zh) * 2019-03-11 2024-10-15 江苏神马电力股份有限公司 电容芯子、变压器套管以及电容芯子的制备方法
CN110254000B (zh) * 2019-07-09 2024-10-22 厦门市中豪强碳纤复合材料有限公司 一种夹芯绝缘操作杆及其制备方法
CN111391363A (zh) * 2020-05-03 2020-07-10 上海腾炎新材料有限公司 一种绝缘杆的制造设备及其制造方法
CN114479448A (zh) * 2021-12-28 2022-05-13 广东白石实业有限公司 一种芳纶-无机纤维混编管绝缘拉杆及其制备方法
CN116001366B (zh) * 2022-12-16 2025-11-18 平高集团有限公司 一种玻璃纤维编织布浸胶管及其制备方法与复合绝缘子

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1239934A (en) * 1967-10-27 1971-07-21 Permali Ltd Electrical insulating tubular components
CN101590697A (zh) * 2008-05-28 2009-12-02 上海正安电工材料技术有限公司 在真空浸渍压力下纤维增强塑料制品的一次成型方法及其塑料制品
CN202205604U (zh) * 2011-09-10 2012-04-25 山东泰山恒信开关集团有限公司 真空压力浸胶环氧玻璃布管绝缘拉杆
CN106486222A (zh) * 2016-10-20 2017-03-08 株洲时代新材料科技股份有限公司 一种多层复合绝缘材料及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09309155A (ja) * 1996-05-21 1997-12-02 Mitsubishi Electric Corp 繊維強化樹脂製絶縁操作ロッドの製造方法
CN101794647B (zh) * 2010-03-12 2011-06-22 西安航天复合材料研究所 一种绝缘支撑杆的制造方法
CN102280231A (zh) * 2011-08-16 2011-12-14 西安立达合成材料开发有限公司 一种纤维绝缘管及制造方法
CN105261497B (zh) * 2015-08-25 2018-09-14 国网智能电网研究院 一种高电压等级绝缘拉杆预制件及其制备工艺
CN106229170A (zh) * 2016-07-29 2016-12-14 全球能源互联网研究院 一种绝缘拉杆及其制备方法
CN106969213A (zh) * 2017-05-09 2017-07-21 天津工业大学 一种高刚度复合材料管道及其制造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1239934A (en) * 1967-10-27 1971-07-21 Permali Ltd Electrical insulating tubular components
CN101590697A (zh) * 2008-05-28 2009-12-02 上海正安电工材料技术有限公司 在真空浸渍压力下纤维增强塑料制品的一次成型方法及其塑料制品
CN202205604U (zh) * 2011-09-10 2012-04-25 山东泰山恒信开关集团有限公司 真空压力浸胶环氧玻璃布管绝缘拉杆
CN106486222A (zh) * 2016-10-20 2017-03-08 株洲时代新材料科技股份有限公司 一种多层复合绝缘材料及其制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490968A (zh) * 2020-11-25 2021-03-12 西安联欣特种瓷有限公司 一种电瓷复合管及其生产设备
CN119974590A (zh) * 2025-03-10 2025-05-13 国网北京市电力公司 一种轻质化操作杆、轻质化操作杆的生产方法和生产设备

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