CN112874045B - Flame-retardant insulating material plate and production method thereof - Google Patents

Flame-retardant insulating material plate and production method thereof Download PDF

Info

Publication number
CN112874045B
CN112874045B CN202110191868.4A CN202110191868A CN112874045B CN 112874045 B CN112874045 B CN 112874045B CN 202110191868 A CN202110191868 A CN 202110191868A CN 112874045 B CN112874045 B CN 112874045B
Authority
CN
China
Prior art keywords
flame
retardant
insulating material
composite cloth
felt
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202110191868.4A
Other languages
Chinese (zh)
Other versions
CN112874045A (en
Inventor
徐致伟
宋小雨
姜玉敬
徐筱婷
王静
范敏敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Runyou Composite Material Co ltd
Original Assignee
Yangzhou Runyou Composite Material Co ltd
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 Yangzhou Runyou Composite Material Co ltd filed Critical Yangzhou Runyou Composite Material Co ltd
Priority to CN202110191868.4A priority Critical patent/CN112874045B/en
Publication of CN112874045A publication Critical patent/CN112874045A/en
Application granted granted Critical
Publication of CN112874045B publication Critical patent/CN112874045B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B32B5/022—Non-woven fabric
    • 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
    • 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
    • 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
    • B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
    • 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
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • 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
    • B32B37/14—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
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • 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
    • 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
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention relates to an insulating material and a production method thereof, in particular to a flame-retardant insulating material plate and a production method thereof, and belongs to the technical field of new materials. The flame-retardant insulating material plate is prepared by compounding a compound cloth felt and flame-retardant glue and performing mould pressing; the composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts; the flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles. The flame-retardant insulating material board provided by the invention adopts the composite cloth felt composed of the quartz fiber cotton felt and the asbestos cloth, and is compounded with the flame-retardant glue, and the obtained board has novel and unique structure, is highly insulating and flame-retardant, is convenient to process and manufacture, has lighter weight, and is very convenient to transport and install.

Description

Flame-retardant insulating material plate and production method thereof
Technical Field
The invention relates to an insulating material and a production method thereof, in particular to a flame-retardant insulating material plate and a production method thereof, and belongs to the technical field of new materials.
Background
Insulating material refers to a material used to electrically insulate a device, i.e., a material capable of preventing the passage of electrical current. The application range of the device is wide, such as an inter-cell auxiliary conductive plate, an aluminum cathode substrate, a floor of an electrolysis workshop, an upright post bus of the electrolysis cell and the like in the electrolysis industry, and a bus duct, a cable bridge and the like in the electrician and electric industry. In addition to the high insulation performance, the insulating materials often need to have other specific performances, one of which is very important is flame retardant performance, and the insulating materials are required to have flame retardant performance in the use process, so that fire disasters caused by electric sparks or other reasons can be avoided. Therefore, the invention relates to a flame-retardant insulating material board and a production method thereof, and the board has excellent flame-retardant performance and insulating performance, can better meet the use requirements of related industries, and is very necessary.
Disclosure of Invention
The flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
The thickness of the quartz fiber cotton felt is 2-4 mm, and the unit area mass is 300-400 g/square meter.
The thickness of the asbestos cloth is 1-3 mm, and the mass per unit area is 1100-1300 g/square meter.
The particle size of the nano calcium carbonate is 100-300 meshes.
The particle size of the inorganic flame-retardant particles is 120-180 meshes.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:20-30:6-8:10-16:2-4, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:3-7:1-3:14-20:0.04-0.08, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 75-85 ℃, and stirring for 2-4 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:40-60, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:60-80, uniformly mixing at high speed, then freezing at-20-30 ℃ for 24-48 hours, drying, crushing and screening to obtain modified montmorillonite particles;
(5) Respectively weighing inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:20-30:8-12:1-3:0.2-0.8, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 10-20 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles;
(6) Weaving a layer of asbestos cloth between two layers of quartz fiber cotton felts by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:10-14:0.1-0.5:1-3:12-18, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:30-50, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 60-80 ℃, pressing for 40-60 minutes under the pressure of 0.4-0.8MPa, heating to 100-120 ℃, pressing for 1-3 hours under the pressure of 10-20MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
The particle size of the modified montmorillonite particles is 40-120 meshes.
The flame-retardant insulating material board provided by the invention adopts the composite cloth felt composed of the quartz fiber cotton felt and the asbestos cloth, and is compounded with the flame-retardant glue, and the obtained board has novel and unique structure, is highly insulating and flame-retardant, is convenient to process and manufacture, has lighter weight, and is very convenient to transport and install.
Detailed Description
The following specific examples are provided to further illustrate the invention and are not intended to limit the scope of the invention.
Example 1:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:25:7:13:3, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:5:2:17:0.06, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 80 ℃, and stirring for 3 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:50, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:70, uniformly mixing at high speed, then freezing at-25 ℃ for 36 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 80 meshes);
(5) Respectively weighing inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:25:10:2:0.5, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 15 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 150 meshes);
(6) Weaving a layer of asbestos cloth (the thickness is 2 mm, the mass per unit area is 1200 g/square meter) between two layers of quartz fiber cotton felt (the thickness is 3 mm, the mass per unit area is 350 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (with the particle size of 200 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:12:0.3:2:15, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:40, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 70 ℃, pressing for 50 minutes under 0.6MPa, heating to 110 ℃, pressing for 2 hours under 15MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 2:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:20:6:10:2, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:3:1:14:0.04, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 75 ℃, and stirring for 2 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:40, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:60, uniformly mixing at high speed, then freezing at-20 ℃ for 24 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 40 meshes);
(5) Respectively weighing inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:20:8:1:0.2, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 10 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 120 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 1 millimeter and the mass of 1100 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 2 millimeters and the mass of 300 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (with the particle size of 100 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:10:0.1:1:12, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:30, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 60 ℃, pressing for 40 minutes under 0.4MPa, heating to 100 ℃, pressing for 1 hour under the pressure of 10MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 3:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:30:8:16:4, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:7:3:20:0.08, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 85 ℃, and stirring for 4 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:60, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:80, uniformly mixing at high speed, then freezing at-30 ℃ for 48 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 120 meshes);
(5) Respectively weighing an inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:30:12:3:0.8, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 20 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 180 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 3 mm and the mass of 1300 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 4 mm and the mass of 400 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (particle size 300 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:14:0.5:3:18, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:50, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 80 ℃, pressing for 60 minutes under 0.8MPa, heating to 120 ℃, pressing for 3 hours under 20MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 4:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:20:7:16:2, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:5:3:14:0.06, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 85 ℃, and stirring for 2 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:50, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:80, uniformly mixing at high speed, then freezing at-20 ℃ for 36 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 120 meshes);
(5) Respectively weighing an inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:20:10:3:0.2, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 15 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 180 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 3 mm and the mass of 1100 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 2 mm and the mass of 350 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (particle size 300 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:12:0.5:1:15, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:30, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 70 ℃, pressing for 40 minutes under 0.8MPa, heating to 110 ℃, pressing for 1 hour under 20MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 5:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:25:8:10:3, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:7:1:17:0.08, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 75 ℃, and stirring for 3 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:60, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:60, uniformly mixing at high speed, then freezing at-25 ℃ for 48 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 40 meshes);
(5) Respectively weighing an inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:25:12:1:0.5, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 20 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 120 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 1 mm and the mass of 1200 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 3 mm and the mass of 400 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (with the grain diameter of 100 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:14:0.1:2:18, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:40, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 80 ℃, pressing for 50 minutes under 0.4MPa, heating to 120 ℃, pressing for 2 hours under the pressure of 10MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 6:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:30:6:13:4, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:3:2:20:0.04, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 80 ℃, and stirring for 4 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:40, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:70, uniformly mixing at high speed, then freezing at-30 ℃ for 24 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 80 meshes);
(5) Respectively weighing inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:30:8:2:0.8, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 10 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 150 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 2 millimeters and the mass of 1300 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 4 millimeters and the mass of 300 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (with the particle size of 200 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:10:0.3:3:12, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:50, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 60 ℃, pressing for 60 minutes under 0.6MPa, heating to 100 ℃, pressing for 3 hours under 15MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 7:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:20:6:13:3, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:7:3:14:0.04, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 80 ℃, and stirring for 3 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:60, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:80, uniformly mixing at high speed, then freezing at-20 ℃ for 24 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 80 meshes);
(5) Respectively weighing an inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:25:12:3:0.2, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 10 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 150 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 3 mm and the mass of 1100 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 3 mm and the mass of 400 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (particle size 300 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:10:0.3:2:18, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:30, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 60 ℃, pressing for 50 minutes under 0.6MPa, heating to 120 ℃, pressing for 1 hour under 20MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 8:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:25:7:16:4, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:3:1:17:0.06, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 85 ℃, and stirring for 4 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:40, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:60, uniformly mixing at high speed, then freezing at-25 ℃ for 36 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 120 meshes);
(5) Respectively weighing inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:30:8:1:0.5, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 15 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 180 meshes);
(6) Weaving a layer of asbestos cloth (with the thickness of 1 mm and the mass of 1200 g/square meter) between two layers of quartz fiber cotton felt (with the thickness of 4 mm and the mass of 300 g/square meter) by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (with the particle size of 100 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:12:0.5:3:12, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:40, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 70 ℃, pressing for 60 minutes under 0.8MPa, heating to 100 ℃, pressing for 2 hours under 10MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
Example 9:
the flame-retardant insulating material plate is realized by adopting the following scheme:
the flame-retardant insulating material board is made up by compounding composite cloth felt and flame-retardant adhesive and making them pass through die-pressing process.
The composite cloth felt is formed by knitting two layers of quartz fiber cotton felts with the same specification and one layer of asbestos cloth through needling, and the asbestos cloth is positioned between the two layers of quartz fiber cotton felts.
The flame-retardant adhesive is prepared by mixing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles.
A production method of a flame-retardant insulating material plate comprises the following production processes:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:26:6.8:12:2.4, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:4:1.5:18:0.07, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 78 ℃, and stirring for 2.5 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:46, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:66, uniformly mixing at high speed, then freezing at-26 ℃ for 26 hours, drying, crushing and screening to obtain modified montmorillonite particles (the particle size is 60 meshes);
(5) Respectively weighing an inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:23:11:1.6:0.4, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 18 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles (the particle size is 160 meshes);
(6) A layer of asbestos cloth (the thickness is 1.2 mm, the mass per unit area is 1150 g/square meter) is woven between two layers of quartz fiber cotton felts (the thickness is 2.4 mm, the mass per unit area is 330 g/square meter) by adopting a needling weaving method, so as to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate (with the particle size of 160 meshes), bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:11:0.4:1.3:17, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:35, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) And (3) closing the die, heating the die to 68 ℃, pressing for 47 minutes under 0.7MPa, heating to 108 ℃, pressing for 1.2 hours under the pressure of 19MPa, cooling to room temperature, and opening the die to obtain the flame-retardant insulating material plate.
The effect of example 1 of the present invention was demonstrated by the following test, the test results were as follows:
insulation resistance: 3.6X10 18 Ω, breakdown voltage: 60.4kV, LOI:66.26 (%) tensile strength: 39.21MPa, flexural Strength: 58.82MPa.
The above results indicate that example 1 has excellent insulating properties, is highly flame retardant, and has good mechanical properties.

Claims (5)

1. The production method of the flame-retardant insulating material plate is characterized by comprising the following steps of:
(1) Respectively weighing water, magnesium chloride, magnesium sulfate, magnesium oxide and calcium stearate according to the mass ratio of 100:20-30:6-8:10-16:2-4, and uniformly mixing to obtain an inorganic magnesium solution;
(2) Respectively weighing water, sodium hydroxide, sodium carbonate, carboxymethyl cellulose and span 60 according to the mass ratio of 100:3-7:1-3:14-20:0.04-0.08, uniformly mixing the water, the sodium hydroxide and the sodium carbonate, adding the carboxymethyl cellulose and span 60, heating to 75-85 ℃, and stirring for 2-4 hours to obtain carboxymethyl cellulose dispersion liquid;
(3) Respectively weighing water and montmorillonite according to the mass ratio of 100:40-60, and uniformly mixing and dispersing to obtain montmorillonite dispersion liquid;
(4) Respectively weighing montmorillonite dispersion liquid and carboxymethyl cellulose dispersion liquid according to the mass ratio of 100:60-80, uniformly mixing at high speed, then freezing at-20-30 ℃ for 24-48 hours, drying, crushing and screening to obtain modified montmorillonite particles;
(5) Respectively weighing inorganic magnesium solution, modified montmorillonite particles, manganese dioxide, polyacrylamide and hydrogen peroxide according to the mass ratio of 100:20-30:8-12:1-3:0.2-0.8, uniformly mixing the inorganic magnesium solution, the modified montmorillonite particles and the manganese dioxide, adding the polyacrylamide, stirring for 10-20 minutes, rapidly adding the hydrogen peroxide, uniformly stirring at a high speed, removing a solvent in vacuum, drying, crushing and screening to obtain inorganic flame-retardant particles;
(6) Weaving a layer of asbestos cloth between two layers of quartz fiber cotton felts by adopting a needling weaving method to obtain a composite cloth felt;
(7) Weighing 2124 type phenolic resin, NL curing agent, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles according to the mass ratio of 100:10-14:0.1-0.5:1-3:12-18, uniformly mixing 2124 type phenolic resin, nano calcium carbonate, bisphenol A diglycidyl ether and inorganic flame-retardant particles, and then adding NL curing agent to obtain flame-retardant adhesive;
(8) Respectively weighing flame retardant glue and a composite cloth felt according to the mass ratio of 100:30-50, uniformly coating a layer of flame retardant glue on the bottom of a die, then paving a layer of composite cloth felt on the flame retardant glue, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, paving a layer of composite cloth felt, rolling to remove bubbles, then brushing a layer of flame retardant glue on the surface of the composite cloth felt, and the like until all the composite cloth felts are paved, all the flame retardant glue is coated, and ensuring that the surface of the finally paved composite cloth felt is uniformly coated with the flame retardant glue;
(9) Closing the die, heating the die to 60-80 ℃, pressing for 40-60 minutes under 0.4-0.8MPa, heating to 100-120 ℃, pressing for 1-3 hours under 10-20MPa, cooling to room temperature, and opening the die to obtain a flame-retardant insulating material plate;
the particle size of the modified montmorillonite particles is 40-120 meshes.
2. The method for producing a flame retardant insulating material sheet material according to claim 1, wherein the thickness of the quartz fiber cotton felt is 2-4 mm, and the mass per unit area is 300-400 g/square meter.
3. The method for producing a flame retardant insulating material sheet material according to claim 1, wherein the asbestos cloth has a thickness of 1 to 3 mm and a mass per unit area of 1100 to 1300 g/square meter.
4. The method for producing a flame retardant insulating material sheet material according to claim 1, wherein the nano calcium carbonate has a particle size of 100-300 mesh.
5. The method for producing a flame retardant insulating material sheet according to claim 1, wherein the inorganic flame retardant particles have a particle size of 120 to 180 mesh.
CN202110191868.4A 2021-02-02 2021-02-02 Flame-retardant insulating material plate and production method thereof Active CN112874045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110191868.4A CN112874045B (en) 2021-02-02 2021-02-02 Flame-retardant insulating material plate and production method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110191868.4A CN112874045B (en) 2021-02-02 2021-02-02 Flame-retardant insulating material plate and production method thereof

Publications (2)

Publication Number Publication Date
CN112874045A CN112874045A (en) 2021-06-01
CN112874045B true CN112874045B (en) 2023-07-18

Family

ID=76056637

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110191868.4A Active CN112874045B (en) 2021-02-02 2021-02-02 Flame-retardant insulating material plate and production method thereof

Country Status (1)

Country Link
CN (1) CN112874045B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817244B (en) * 2009-12-29 2012-07-25 南京林业大学 Composite reinforced wood-plastic composite material plate and preparation method thereof
CN104249496B (en) * 2013-06-26 2018-02-27 上海杰事杰新材料(集团)股份有限公司 A kind of fireproof heat insulating composite light sheet material and preparation method thereof
CN109096970A (en) * 2018-08-17 2018-12-28 苏州宏久航空防热材料科技有限公司 A kind of blanket of glass wool heat-resistant fireproof adhesive and preparation method thereof

Also Published As

Publication number Publication date
CN112874045A (en) 2021-06-01

Similar Documents

Publication Publication Date Title
CN108724900B (en) Preparation method of dry microwave composite dielectric plate
CN102134376A (en) Halogen-free flame-retardant resin composition and preparation method of prepreg and laminated plate
CN105017723A (en) Insulation stressed member used for extra-high voltage direct current power transmission and transformation, and preparation method thereof
CN100569505C (en) A kind of non-halogen epoxide glass cloth base copper coated foil plate and preparation method thereof
WO2016206243A1 (en) Arc-resistant silicon rubber composite material, preparation method, and uses thereof
CN103408903A (en) High-strength insulating support beam and preparation method thereof
CN112375454A (en) Insulating powder coating and preparation method thereof
CN108842463A (en) A kind of silicone rubber fireproof composite glass fiber cloth
CN114214867A (en) Corona-resistant aramid/mica insulation paper and preparation method thereof
CN103072352A (en) Coating type composite material for dry type transformer and preparation method thereof
CN112874045B (en) Flame-retardant insulating material plate and production method thereof
CN114103305B (en) high-Tg high-heat-conductivity metal-based copper-clad plate and processing technology thereof
Dang et al. A flexible, robust and multifunctional montmorillonite/aramid nanofibers@ MXene electromagnetic shielding nanocomposite with an alternating structure for enhanced Joule heating and fire-resistant protective performance
CN116333624A (en) Composite flame-retardant SMC (sheet molding compound) board and production method thereof
CN109825231B (en) Flame-retardant ultraviolet-resistant epoxy encapsulating adhesive and preparation method thereof
CN115260881B (en) Low-temperature curing polyester type powder coating and preparation method thereof
CN115181395B (en) Thermosetting resin composition and application thereof
CN112029346A (en) High-flame-retardance tracking-resistant and electric-corrosion-resistant fluorocarbon coating and preparation method and application thereof
CN103146142A (en) Composite vibration insulator for electrostatic deduster and preparation method thereof
Liu et al. Electrical and mechanical properties of epoxy composites reinforced with kaolin-coated basalt fibers
CN105367858A (en) Insulating material for transmission line
CN114687246A (en) Epoxy-based silicone resin sizing agent, mica plate and preparation method and application thereof
CN110628183B (en) Epoxy glass fiber nanocomposite for high-voltage switch insulating pull rod and preparation method thereof
JPH08504882A (en) Halogen-free mixture, self-extinguishing prepreg containing this mixture and use of said prepreg
CN114953664B (en) Carbon fiber composite material and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant