CN113861692A - Reinforcing agent and method for preparing high-temperature-resistant mica tape for cable by using same - Google Patents
Reinforcing agent and method for preparing high-temperature-resistant mica tape for cable by using same Download PDFInfo
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- CN113861692A CN113861692A CN202111136172.8A CN202111136172A CN113861692A CN 113861692 A CN113861692 A CN 113861692A CN 202111136172 A CN202111136172 A CN 202111136172A CN 113861692 A CN113861692 A CN 113861692A
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- mica tape
- reinforcing agent
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- mica
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- 239000010445 mica Substances 0.000 title claims abstract description 98
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 98
- 239000012744 reinforcing agent Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 81
- 239000000853 adhesive Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 30
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000010425 asbestos Substances 0.000 claims abstract description 27
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 27
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 27
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 21
- 239000010703 silicon Substances 0.000 claims abstract description 21
- 239000003085 diluting agent Substances 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 20
- 238000002360 preparation method Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 150000001282 organosilanes Chemical class 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims 2
- 239000012895 dilution Substances 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052627 muscovite Inorganic materials 0.000 description 2
- 229910052628 phlogopite Inorganic materials 0.000 description 2
- 239000013464 silicone adhesive Substances 0.000 description 2
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/06—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
- C08K7/12—Asbestos
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2255/26—Polymeric coating
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention provides a reinforcing agent and a method for preparing a high-temperature-resistant mica tape for a cable by using the reinforcing agent, wherein the reinforcing agent comprises the following components in parts by weight: 25-60 parts of organic silicon adhesive, 6-10 parts of nano chromium oxide powder, 5-9 parts of asbestos powder and 1-10 parts of alumina powder. The invention aims to provide a reinforcing agent and a method for preparing a high-temperature-resistant mica tape for cables by using the reinforcing agent.
Description
Technical Field
The invention relates to the field of mica tapes. More particularly, the invention relates to a reinforcing agent and a method for preparing a high-temperature resistant mica tape for a cable by using the reinforcing agent.
Background
The mica tape for the cable is called as a fireproof tape for short, is made of mica base materials, is a fireproof insulating material, is widely used in the wire and cable industry, and is coated on the wire and cable to serve as an insulating layer and a fireproof layer. The mica tape can be divided into: synthetic mica tape, phlogopite tape, and muscovite tape. Usually, the mica tape is generally made of mica paper made of muscovite ore, phlogopite ore and calcined mica ore and glass fiber, the mica paper has high temperature resistance and combustion resistance, but the mica paper is easy to absorb moisture and has poor moisture resistance, the mica paper is easy to absorb water and deteriorate in a humid environment for a long time,
disclosure of Invention
The invention aims to provide a reinforcing agent and a method for preparing a high-temperature-resistant mica tape for a cable by using the reinforcing agent.
To achieve these objects and other advantages in accordance with the present invention, there is provided a strengthening agent comprising the following components in parts by weight:
25-60 parts of organic silicon adhesive, 6-10 parts of nano chromium oxide powder, 5-9 parts of asbestos powder and 1-10 parts of alumina powder.
Preferably, in one reinforcing agent, the organic silicon binder is one or two of organic silane and silicon resin mixed in any proportion.
The invention also provides a preparation method of the reinforcing agent, which comprises the following steps:
(1) debugging the organic silicon adhesive in the formula part by using a regulating reagent, and then adding water to dilute the organic silicon adhesive to obtain a diluent, wherein the concentration of the organic silicon adhesive in the diluent is 15-20%;
(2) and (2) heating and fusing the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio to obtain the reinforcing agent.
Preferably, in the preparation method of the reinforcing agent, in the step (2), the fusion temperature of the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder in the formula amount is 50-70 ℃ when the diluent and the nano chromium oxide powder, the asbestos powder and the alumina powder are heated and fused together.
Preferably, in the preparation method of the reinforcing agent, in the step (2), the diluent obtained in the step (1) is stirred with the nano chromium oxide powder, the asbestos powder and the alumina powder in the formula amount during heating and melting, and the stirring time is 10-20 minutes.
The invention also provides a preparation method of the high-temperature resistant mica tape for the cable, and the reinforcing agent is used, and the preparation method comprises the following steps:
s1, after the front side and the back side of the mica paper are respectively and uniformly coated with the reinforcing agent, placing the mica paper in an oven for drying, and then rolling after the mica paper is cooled to obtain reinforced mica paper;
s2, gluing the reinforced mica paper obtained in the step S1 on a machine, uniformly coating adhesives on the front side and the back side of the reinforced mica paper, and then adhering composite glass fiber cloth to obtain a semi-finished mica tape;
and S3, placing the semi-finished product mica tape obtained in the step S2 in an oven for drying, and then rolling after the semi-finished product mica tape is cooled to obtain the high-temperature resistant mica tape for the cable.
Preferably, in the preparation method of the high temperature resistant mica tape for cables, the binder used in S2 is one or a mixture of two of organosilane and silicone resin at any ratio.
Preferably, in the preparation method of the high temperature resistant mica tape for cables, the drying in the step S1 is carried out at the temperature of 110-120 ℃ for 15-20 minutes.
Preferably, in the preparation method of the high temperature resistant mica tape for the cable, the drying in the step of S3 is carried out at the temperature of 90-100 ℃ for 15-20 minutes.
The mica paper is deeply reinforced, the mica paper and the reinforcing agent are better uniformly absorbed by the mica paper by adopting a front-back spraying mode, the mica paper is dried at 110 ℃ for 10-15min, the first surface of the mica forms a film shape, the surface of the mica paper is smooth, and the waterproof and moisture-proof performance of the mica tape is thoroughly solved. The organic silicon adhesive, the nano chromium oxide powder, the asbestos powder and the alumina powder are proportioned, so that the mica tape and the glass fiber cloth are firmer and more stable, the integral reinforcement effect of the mica tape is improved, and a film layer on the surface of the mica tape cannot fall off and cannot be melted after the mica tape and the glass fiber cloth are dried at 110 ℃ for 10-15min during compounding. The mica tape and the glass fiber cloth are not layered during combustion, the overall fireproof performance is effectively improved, the manufactured mica tape is high in combustion resistance, excellent in moisture resistance and free of corrosion and deterioration in a humid environment for a long time.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a flow chart of a preparation method of the high-temperature resistant mica tape for the cable according to the invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified.
< example 1>
A preparation method of a high-temperature resistant mica tape for a cable comprises the following steps:
s1, after the front side and the back side of the mica paper are respectively and uniformly coated with the reinforcing agent, placing the mica paper in an oven for drying, and then rolling after the mica paper is cooled to obtain reinforced mica paper;
s2, gluing the reinforced mica paper obtained in the step S1 on a machine, uniformly coating adhesives on the front side and the back side of the reinforced mica paper, and then adhering composite glass fiber cloth to obtain a semi-finished mica tape;
and S3, placing the semi-finished product mica tape obtained in the step S2 in an oven for drying, and then rolling after the semi-finished product mica tape is cooled to obtain the high-temperature resistant mica tape for the cable.
Wherein the binder used in S2 is one or a mixture of two of organosilane and silicone resin at any ratio.
Wherein the drying in S1 is carried out at 105 ℃ for 15 minutes.
Wherein the drying in S3 is carried out at 90 ℃ for 15 minutes.
The reinforcing agent used in S1 comprises the following components in parts by weight:
35 parts of organic silicon adhesive, 7 parts of nano chromium oxide powder, 6 parts of asbestos powder and 4 parts of alumina powder.
Wherein, the organic silicon adhesive is one or the mixture of two of organic silane and silicon resin in any proportion.
The preparation method of the reinforcing agent comprises the following steps:
(1) debugging the organosilicon adhesive in the formula part by using a silane coupling agent KH-550, and then adding water to dilute the organosilicon adhesive to obtain a diluent, wherein the concentration of the organosilicon adhesive in the diluent is 16%;
(2) and (2) heating and fusing the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio to obtain the reinforcing agent.
Wherein, the fusion temperature of the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder in the formula amount in the step (2) is 50 ℃ when the diluent and the nano chromium oxide powder, the asbestos powder and the alumina powder are heated and fused together.
And (2) heating and melting the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio, and stirring for 12 minutes.
< example 2>
A preparation method of a high-temperature resistant mica tape for a cable comprises the following steps:
s1, after the front side and the back side of the mica paper are respectively and uniformly coated with the reinforcing agent, placing the mica paper in an oven for drying, and then rolling after the mica paper is cooled to obtain reinforced mica paper;
s2, gluing the reinforced mica paper obtained in the step S1 on a machine, uniformly coating adhesives on the front side and the back side of the reinforced mica paper, and then adhering composite glass fiber cloth to obtain a semi-finished mica tape;
and S3, placing the semi-finished product mica tape obtained in the step S2 in an oven for drying, and then rolling after the semi-finished product mica tape is cooled to obtain the high-temperature resistant mica tape for the cable.
Wherein the binder used in S2 is one or a mixture of two of organosilane and silicone resin at any ratio.
Wherein, the drying in the S1 is carried out for 18 minutes at the temperature of 110 ℃.
Wherein the drying in S3 is carried out at 100 ℃ for 10 minutes.
The reinforcing agent used in S1 comprises the following components in parts by weight:
40 parts of organic silicon adhesive, 9 parts of nano chromium oxide powder, 5 parts of asbestos powder and 5 parts of alumina powder.
Wherein, the organic silicon adhesive is one or the mixture of two of organic silane and silicon resin in any proportion.
The preparation method of the reinforcing agent comprises the following steps:
(1) debugging the organosilicon adhesive in the formula part by using a silane coupling agent KH-550, and then adding water to dilute the organosilicon adhesive to obtain a diluent, wherein the concentration of the organosilicon adhesive in the diluent is 18%;
(2) and (2) heating and fusing the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio to obtain the reinforcing agent.
Wherein, the fusion temperature of the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder in the formula amount in the step (2) is 60 ℃ when the diluent and the nano chromium oxide powder, the asbestos powder and the alumina powder are heated and fused together.
And (2) heating and melting the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio, and stirring for 15 minutes.
< example 3>
A preparation method of a high-temperature resistant mica tape for a cable comprises the following steps:
s1, after the front side and the back side of the mica paper are respectively and uniformly coated with the reinforcing agent, placing the mica paper in an oven for drying, and then rolling after the mica paper is cooled to obtain reinforced mica paper;
s2, gluing the reinforced mica paper obtained in the step S1 on a machine, uniformly coating adhesives on the front side and the back side of the reinforced mica paper, and then adhering composite glass fiber cloth to obtain a semi-finished mica tape;
and S3, placing the semi-finished product mica tape obtained in the step S2 in an oven for drying, and then rolling after the semi-finished product mica tape is cooled to obtain the high-temperature resistant mica tape for the cable.
Wherein the binder used in S2 is one or a mixture of two of organosilane and silicone resin at any ratio.
Wherein the drying in S1 is carried out at 120 ℃ for 20 minutes.
Wherein the drying in S3 is carried out at 105 ℃ for 15 minutes.
The reinforcing agent used in S1 comprises the following components in parts by weight:
50 parts of organic silicon adhesive, 10 parts of nano chromium oxide powder, 7 parts of asbestos powder and 6 parts of alumina powder.
Wherein, the organic silicon adhesive is one or the mixture of two of organic silane and silicon resin in any proportion.
The preparation method of the reinforcing agent comprises the following steps:
(1) debugging the organosilicon adhesive in the formula part by using a silane coupling agent KH-550, and then adding water to dilute the organosilicon adhesive to obtain a diluent, wherein the concentration of the organosilicon adhesive in the diluent is 15-20%;
(2) and (2) heating and fusing the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio to obtain the reinforcing agent.
Wherein, the fusion temperature of the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder in the formula amount in the step (2) is 70 ℃ when the diluent and the nano chromium oxide powder, the asbestos powder and the alumina powder are heated and fused together.
And (2) heating and melting the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio, and stirring for 17 minutes.
< test example >
The method comprises the following steps of adopting the embodiment 1, the embodiment 2 and the embodiment 3 of the invention and three groups of purchased mica tapes of different brands as six groups of test groups, wherein each group of test groups adopts three parts of corresponding mica tapes which are respectively marked as 1, 2 and 3, and then detecting the moisture absorption rate and the tensile strength of the six groups of test groups, wherein the test results are shown in the following table 1:
TABLE 1 test data
It can be known from the experimental data in table 1 that the mica tapes prepared in the embodiments 1 to 3 of the present invention have greatly improved overall flame resistance, high temperature resistance and moisture resistance after the silicone adhesive, the nano chromium oxide powder, the asbestos powder and the alumina powder are mixed, and the mica tapes are firmer and more stable when the silicone adhesive is coated on the front and back surfaces of the mica paper and the mica paper is compounded.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. The reinforcing agent is characterized by comprising the following components in parts by weight:
25-60 parts of organic silicon adhesive, 6-10 parts of nano chromium oxide powder, 5-9 parts of asbestos powder and 1-10 parts of alumina powder.
2. A reinforcing agent as defined in claim 1, wherein said organosilicon binder is one or both of an organosilane and a silicone resin mixed in any proportion.
3. A method for the preparation of a strengthening agent as defined in claim 1 or 2, characterized by the steps of:
(1) debugging the organic silicon adhesive in the formula part by using a regulating reagent, and then adding water to dilute the organic silicon adhesive to obtain a diluent, wherein the concentration of the organic silicon adhesive in the diluent is 15-20%;
(2) and (2) heating and fusing the diluent obtained in the step (1) and the nano chromium oxide powder, the asbestos powder and the alumina powder according to the formula ratio to obtain the reinforcing agent.
4. A reinforcing agent preparation method as defined in claim 3, characterized in that the fusing temperature in step (2) is 50-70 ℃ when the dilution obtained in step (1) is heated and fused together with the nano-chromium oxide powder, asbestos powder and alumina powder in the formula amounts.
5. A strengthening agent as defined in claim 3, wherein said dilution obtained in step (1) is heated and melted with said nano chromium oxide powder, asbestos powder and alumina powder in the formula amounts in step (2), and stirred for 10-20 minutes.
6. A method for preparing a high temperature resistant mica tape for cables, characterized in that the reinforcing agent of claim 1 or 2 is used.
7. The method for preparing the high-temperature-resistant mica tape for the cable according to claim 6, comprising the following steps:
s1, after the front side and the back side of the mica paper are respectively and uniformly coated with the reinforcing agent, placing the mica paper in an oven for drying, and then rolling after the mica paper is cooled to obtain reinforced mica paper;
s2, gluing the reinforced mica paper obtained in the step S1 on a machine, uniformly coating adhesives on the front side and the back side of the reinforced mica paper, and then adhering composite glass fiber cloth to obtain a semi-finished mica tape;
and S3, placing the semi-finished product mica tape obtained in the step S2 in an oven for drying, and then rolling after the semi-finished product mica tape is cooled to obtain the high-temperature resistant mica tape for the cable.
8. The method for preparing a high temperature resistant mica tape for cables according to claim 7, wherein the binder used in S2 is one or a mixture of two of organosilane and silicone resin at any ratio.
9. The method for preparing the high temperature resistant mica tape for the cable as claimed in claim 7, wherein the drying in S1 is carried out at a temperature of 110-120 ℃ for 15-20 minutes.
10. The method for preparing the high temperature resistant mica tape for the cable according to claim 7, wherein the drying in S3 is carried out at a temperature of 90-100 ℃ for 15-20 minutes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115662677A (en) * | 2022-09-07 | 2023-01-31 | 湖北平安电工科技股份公司 | Ceramic release agent, preparation method thereof and ceramic high-temperature fire-resistant mica tape |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429418A (en) * | 2007-11-06 | 2009-05-13 | 吕柏涛 | Method for producing organic silica gel adhesive agent |
| CN102209440A (en) * | 2011-03-28 | 2011-10-05 | 无锡科依德光电科技有限公司 | Method and device for carrying out high-pressure-resistant water-proof treatment on PCB (printed circuit board) of LED (light-emitting diode) true-color nixie tube |
| CN110406237A (en) * | 2019-06-20 | 2019-11-05 | 平江县惠源云母制品有限公司 | A kind of high strength heat resistant mica tape production technology |
-
2021
- 2021-09-27 CN CN202111136172.8A patent/CN113861692A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429418A (en) * | 2007-11-06 | 2009-05-13 | 吕柏涛 | Method for producing organic silica gel adhesive agent |
| CN102209440A (en) * | 2011-03-28 | 2011-10-05 | 无锡科依德光电科技有限公司 | Method and device for carrying out high-pressure-resistant water-proof treatment on PCB (printed circuit board) of LED (light-emitting diode) true-color nixie tube |
| CN110406237A (en) * | 2019-06-20 | 2019-11-05 | 平江县惠源云母制品有限公司 | A kind of high strength heat resistant mica tape production technology |
Non-Patent Citations (1)
| Title |
|---|
| 郭宇杰等: "《工业废水处理工程》", 华东理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115662677A (en) * | 2022-09-07 | 2023-01-31 | 湖北平安电工科技股份公司 | Ceramic release agent, preparation method thereof and ceramic high-temperature fire-resistant mica tape |
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Application publication date: 20211231 |