CN115008842A - Manufacturing method of modified composite rock wool board and modified composite rock wool board - Google Patents

Manufacturing method of modified composite rock wool board and modified composite rock wool board Download PDF

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Publication number
CN115008842A
CN115008842A CN202210694637.XA CN202210694637A CN115008842A CN 115008842 A CN115008842 A CN 115008842A CN 202210694637 A CN202210694637 A CN 202210694637A CN 115008842 A CN115008842 A CN 115008842A
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Prior art keywords
rock
inorganic fiber
layer
rock wool
modified composite
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CN202210694637.XA
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Chinese (zh)
Inventor
陈华
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Shanghai Yanxi Building Materials Co ltd
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Shanghai Yanxi Building Materials Co ltd
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Priority to CN202210694637.XA priority Critical patent/CN115008842A/en
Publication of CN115008842A publication Critical patent/CN115008842A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/248—Moulding mineral fibres or particles bonded with resin, e.g. for insulating or roofing board
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/665—Sheets or foils impervious to water and water vapor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/88—Insulating elements for both heat and sound
    • E04B1/90—Insulating elements for both heat and sound slab-shaped
    • 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
    • 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
    • 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
    • B32B2307/304—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
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a manufacturing method of a modified composite rock wool board and the modified composite rock wool board, and relates to the technical field of building boards, wherein the manufacturing method comprises the following steps: paving inorganic fiber rock-mineral resin cotton to form an inorganic fiber rock-mineral resin cotton layer, and paving a waterproof surface layer on the inorganic fiber rock-mineral resin cotton layer; and step two, heating and pressurizing the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer to enable the inorganic fiber rock mineral resin cotton layer to become a hot-pressing modified rock wool board layer so as to obtain the modified composite rock wool board. The modified composite rock wool board comprises a hot-pressing modified rock wool board layer and a waterproof surface layer arranged on the hot-pressing modified rock wool board layer. The manufacturing method of the modified composite rock wool board and the modified composite rock wool board provided by the invention have the advantages that the thickness and the heat conductivity coefficient of the product are reduced, and the strength and the sound insulation effect of the product are improved.

Description

Manufacturing method of modified composite rock wool board and modified composite rock wool board
Technical Field
The invention relates to the technical field of building boards, in particular to a manufacturing method of a modified composite rock wool board and the modified composite rock wool board.
Background
The existing heat-preservation sound-insulation board is made of rock wool, the existing production process and equipment cannot meet the requirements of thin boards, the traditional rock wool board is large in board thickness, when the thin boards need to be used, secondary cutting is needed, namely, equipment tools such as a cutting machine are adopted to cut the traditional rock wool board, the cutting surface needs to be polished and polished, and the operation process is complex; meanwhile, the traditional rock wool board is high in heat conductivity coefficient, poor in heat preservation performance, low in strength and large in construction and transportation loss.
Disclosure of Invention
In order to solve the technical problems, the invention provides a manufacturing method of a modified composite rock wool board and the modified composite rock wool board, which reduce the thickness and the heat conductivity coefficient of the product and improve the strength and the sound insulation effect of the product.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a manufacturing method of a modified composite rock wool board, which comprises the following steps:
paving inorganic fiber rock-mineral resin cotton to form an inorganic fiber rock-mineral resin cotton layer, and paving a waterproof surface layer on the inorganic fiber rock-mineral resin cotton layer;
and secondly, heating and pressurizing the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer to enable the inorganic fiber rock mineral resin cotton layer to become a hot-pressing modified rock wool board layer so as to obtain the modified composite rock wool board.
Preferably, in the first step, the inorganic fiber rock-mineral resin wool is laid on a support plate to form the inorganic fiber rock-mineral resin wool layer, and the waterproof surface layer is laid and bonded on the upper surface of the inorganic fiber rock-mineral resin wool layer.
Preferably, in the second step, the support plate, the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer are placed into a hot press together, then the support plate is taken out, the hot press is opened to heat and pressurize to obtain the modified composite rock wool board, and finally the modified composite rock wool board is taken out of the hot press.
Preferably, in the second step, the pressure applied during the heating and pressurizing process is gradually increased along with the time.
Preferably, in the second step, the pressure applied during the heating and pressurizing process is gradually changed from 0Kn to 1200Kn with time.
Preferably, in the second step, the heating temperature in the heating and pressurizing process is 140 to 300 ℃.
Preferably, in the second step, the heating and pressurizing time is 5-20 minutes.
Preferably, the resin content of the inorganic fiber rock mineral resin wool is 2-20%.
Preferably, the waterproof surface layer is a composite low-density polyethylene film, an inorganic fiber glass fiber felt, a waterproof breathable film, a double-sided aluminum foil paper or a single-sided aluminum foil paper, the composite low-density polyethylene film is bonded on the upper surface of the inorganic fiber rock and mineral resin cotton layer, the inorganic fiber glass fiber felt is bonded on the waterproof breathable film, the double-sided aluminum foil paper or the single-sided aluminum foil paper is bonded on the upper surface of the inorganic fiber rock and mineral resin cotton layer through glue.
The invention also provides a modified composite rock wool board manufactured by the manufacturing method of the modified composite rock wool board, which comprises the hot-pressing modified rock wool board layer and the waterproof surface layer arranged on the hot-pressing modified rock wool board layer.
Compared with the prior art, the invention achieves the following technical effects:
the manufacturing method of the modified composite rock wool board comprises the following steps: paving inorganic fiber rock-mineral resin cotton to form an inorganic fiber rock-mineral resin cotton layer, and paving a waterproof surface layer on the inorganic fiber rock-mineral resin cotton layer; and step two, heating and pressurizing the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer to enable the inorganic fiber rock mineral resin cotton layer to become a hot-pressing modified rock wool board layer so as to obtain the modified composite rock wool board. In the manufacturing process, the sealing degree of the pores of the hot-pressed modified rock wool board layer is improved by adopting a heating and pressurizing mode, so that the thickness of the product can be reduced to 1.0cm, and the product is formed in one step by adopting heating and pressurizing without secondary cutting and polishing treatment; the heat conductivity coefficient can reach below 0.034W/m.K, and the heat insulation performance of the product is improved; the strength of the product is improved, and the construction and transportation loss is reduced; the sound insulation effect is improved and is reduced to 46-50 decibels; the waterproof performance of the product is improved by arranging the waterproof surface layer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a modified composite rock wool panel provided by the invention.
Description of reference numerals: 100. modified composite rock wool boards; 1. carrying out hot pressing on the modified rock wool board layer; 2. and (4) a waterproof surface layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a manufacturing method of a modified composite rock wool board and the modified composite rock wool board, which reduce the thickness and the heat conductivity coefficient of a product and improve the strength and the sound insulation effect of the product.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a method for manufacturing a modified composite rock wool board, including the following steps:
paving inorganic fiber rock-mineral resin cotton to form an inorganic fiber rock-mineral resin cotton layer, and paving a waterproof surface layer 2 on the inorganic fiber rock-mineral resin cotton layer;
and step two, heating and pressurizing the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer 2 to enable the inorganic fiber rock mineral resin cotton layer to become a hot-pressing modified rock wool board layer 1, so that the modified composite rock wool board 100 is obtained.
The tightness of the pores of the hot-pressed modified rock wool board layer 1 is improved in the manufacturing process by adopting a heating and pressurizing mode, so that the thickness of the product can be reduced to 1.0cm, the product is formed in one step by adopting heating and pressurizing, secondary cutting and polishing treatment are not needed, the operation process is simplified, and the thickness of the traditional rock wool board in the prior art is 1.5cm-2.0 cm; the heat conductivity coefficient can reach below 0.034W/m.K, the heat insulation performance of the product is improved, and the heat conductivity coefficient of the traditional rock wool board in the prior art is 0.037W/m.K; the strength of the product is improved, and the construction and transportation loss is reduced; the sound insulation effect is improved and is reduced to 46-50 decibels; the waterproof performance of the product is improved by arranging the waterproof surface layer 2.
Specifically, in the first step, the inorganic fiber rock-mineral resin wool is laid on the support plate to form an inorganic fiber rock-mineral resin wool layer, and the waterproof surface layer 2 is laid and bonded on the upper surface of the inorganic fiber rock-mineral resin wool layer.
Specifically, in the second step, the support plate, the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer 2 are placed into a hot press together, then the support plate is taken out, the hot press is opened to heat and pressurize to obtain the modified composite rock wool board 100, and finally the modified composite rock wool board 100 is taken out of the hot press. In this embodiment, the support plate, the inorganic fiber rock mineral resin wool layer, and the waterproof surface layer 2 are placed on the platform of the hot press together, and the inorganic fiber rock mineral resin wool layer is supported by the platform after the support plate is taken down.
Specifically, in the second step, the pressure applied during the heating and pressurizing process is gradually increased with time.
In the present embodiment, in the second step, the pressure applied in the heating and pressurizing process is gradually changed from 0Kn to 1200Kn with time.
Specifically, in the second step, the heating temperature in the heating and pressurizing process is 140-300 ℃. The heating temperature can be adjusted according to the climate and the room temperature.
Specifically, in the second step, the heating and pressurizing time is 5-20 minutes.
Specifically, the resin content of the inorganic fiber rock mineral resin wool is 2-20%. The preparation process of the inorganic fiber rock mineral resin cotton comprises the following steps: the method is characterized in that high-quality basalt, dolomite and the like are adopted as main raw materials, a cupola/electric furnace is adopted to be melted into liquid solution at a high temperature of over 1450 ℃, the acidity coefficient of the liquid solution is adjusted to be more than 1.80 through process formula control, the liquid solution is rotated at a high speed through a roller head of a centrifugal machine to form fibers with the diameter of 4-5UM, additives such as a binder, a water repellent and the like are sprayed on the surfaces of the fibers in the stripping process of high-speed blowing air, specifically, a mixture of a resin solution, the binder, the water repellent and the like is sprayed on the fibers, and the binder, the water repellent and the like are added according to the required performance of a plate. The fiber dipped with the binder is evenly laid on a cotton collecting net under the combined action of the blowing-off wind and the negative pressure wind, and the inorganic fiber rock mineral resin cotton is produced by controlling the speed and the time point of a pendulum bob and a transmission belt.
Specifically, the waterproof surface layer 2 is a composite low-density polyethylene film, an inorganic fiber glass fiber felt, a double-sided aluminum foil paper or a single-sided aluminum foil paper, the composite low-density polyethylene film has cohesiveness, the composite low-density polyethylene film is adhered to the upper surface of the inorganic fiber rock-mineral resin cotton layer, and the inorganic fiber glass fiber felt, the waterproof breathable film, the double-sided aluminum foil paper or the single-sided aluminum foil paper is adhered to the upper surface of the inorganic fiber rock-mineral resin cotton layer through glue. The glue used in this embodiment is water-based glue.
The embodiment also provides a modified composite rock wool board 100 prepared by the manufacturing method of the modified composite rock wool board, which comprises a hot-pressing modified rock wool board layer 1 and a waterproof surface layer 2 arranged on the hot-pressing modified rock wool board layer 1. The modified composite rock wool board 100 in the embodiment has the heat conductivity coefficient of less than 0.034W/m.K, the product thickness can be as low as 1cm, and the fire-proof grade is A grade.
According to different strength requirements and thickness requirements, at least 1.2-1.6kg of inorganic fiber rock-mineral resin wool is required per square meter, and particularly, the use amount of the inorganic fiber rock-mineral resin wool per square meter is increased if higher requirements are made on the strength of the plate.
In this embodiment, the resin content of the inorganic fiber rock-mineral resin wool is 4%, the composite low-density polyethylene film is laid on the inorganic fiber rock-mineral resin wool, the thickness of the modified composite rock wool board 100 is 1cm, the amount of the inorganic fiber rock-mineral resin wool per square meter is 1.6kg, the heating temperature is 180 ℃, and the heating and pressurizing time is 15 minutes. The average thermal conductivity of the obtained modified composite rock wool board 100 is 0.033W/m.K and the average compressive strength is 35KPa after 10 times of tests.
Example two:
in this embodiment, the resin content of the inorganic fiber rock-mineral resin wool is 6%, the composite low-density polyethylene film is laid on the inorganic fiber rock-mineral resin wool, the thickness of the modified composite rock wool board 100 is 1cm, the amount of the inorganic fiber rock-mineral resin wool per square meter is 1.4kg, the heating temperature is 160 ℃, and the heating and pressurizing time is 8 minutes. The obtained modified composite rock wool board 100 has an average thermal conductivity of 0.0325W/m.K and an average compressive strength of 29KPa after 10 tests.
Example three:
in this embodiment, the resin content of the inorganic fiber rock-mineral resin wool is 8%, the composite low-density polyethylene film is laid on the inorganic fiber rock-mineral resin wool, the thickness of the modified composite rock wool board 100 is 1cm, the amount of the inorganic fiber rock-mineral resin wool per square meter is 1.3kg, the heating temperature is 160 ℃, and the heating and pressurizing time is 8 minutes. The obtained modified composite rock wool board 100 has an average thermal conductivity of 0.0336W/m.K and an average compressive strength of 27KPa after 10 tests.
Example four:
in this embodiment, the resin content of the inorganic fiber rock-mineral resin wool is 6%, the waterproof and breathable film is laid on the inorganic fiber rock-mineral resin wool by the aqueous glue, the thickness of the modified composite rock wool board 100 is 1cm, the usage amount of the inorganic fiber rock-mineral resin wool per square meter is 1.4kg, the heating temperature is 160 ℃, and the heating and pressurizing time is 8 minutes. The average thermal conductivity of the obtained modified composite rock wool board 100 is 0.0335W/m.K and the average compressive strength is 27KPa after 10 times of tests.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (10)

1. A manufacturing method of a modified composite rock wool board is characterized by comprising the following steps:
paving inorganic fiber rock-mineral resin cotton to form an inorganic fiber rock-mineral resin cotton layer, and paving a waterproof surface layer on the inorganic fiber rock-mineral resin cotton layer;
and secondly, heating and pressurizing the inorganic fiber rock mineral resin cotton layer and the waterproof surface layer to enable the inorganic fiber rock mineral resin cotton layer to become a hot-pressing modified rock wool board layer so as to obtain the modified composite rock wool board.
2. The method of claim 1, wherein in the first step, the inorganic fiber rock-mineral resin wool is laid on a support plate to form the inorganic fiber rock-mineral resin wool layer, and the waterproof surface layer is laid on and bonded to the upper surface of the inorganic fiber rock-mineral resin wool layer.
3. The method of claim 2, wherein in the second step, the support plate, the inorganic fiber rock mineral resin wool layer and the waterproof surface layer are placed in a hot press, the support plate is taken out, the hot press is opened to heat and pressurize the support plate to obtain the modified composite rock wool panel, and the modified composite rock wool panel is taken out of the hot press.
4. The method of manufacturing modified composite rock wool panel as recited in claim 1, wherein in the second step, the pressure applied during the heating and pressing process is gradually increased with time.
5. The method of claim 4, wherein in the second step, the pressure applied during the heating and pressing process is gradually changed from 0Kn to 1200 Kn.
6. The method for manufacturing the modified composite rock wool panel according to claim 1, wherein in the second step, the heating temperature in the heating and pressurizing process is 140 to 300 ℃.
7. The method for manufacturing the modified composite rock wool panel according to claim 1, wherein in the second step, the heating and pressurizing time is 5-20 minutes.
8. The method of manufacturing a modified composite rock wool panel as recited in claim 1, wherein the resin content of the inorganic fiber rock-mineral resin wool is 2-20%.
9. The method of claim 2, wherein the water-proof layer is a composite low-density polyethylene film, an inorganic fiber glass fiber mat, a water-proof breathable film, a double-sided aluminum foil paper, or a single-sided aluminum foil paper, the composite low-density polyethylene film is bonded to the upper surface of the inorganic fiber rock-mineral resin mat layer, and the inorganic fiber glass fiber mat, the water-proof breathable film, the double-sided aluminum foil paper, or the single-sided aluminum foil paper is bonded to the upper surface of the inorganic fiber rock-mineral resin mat layer by glue.
10. A modified composite rock wool panel produced by the method for producing a modified composite rock wool panel according to any one of claims 1 to 9, comprising the heat-pressed modified rock wool panel layer and the water-repellent surface layer provided on the heat-pressed modified rock wool panel layer.
CN202210694637.XA 2022-06-20 2022-06-20 Manufacturing method of modified composite rock wool board and modified composite rock wool board Pending CN115008842A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN107060161A (en) * 2017-05-31 2017-08-18 安徽瑞联节能科技有限公司 A kind of building curtain wall rock cotton board
CN112238659A (en) * 2019-07-17 2021-01-19 江苏振威新材料科技有限公司 Flexible waterproof coiled material modified vertical-filament rock wool board and manufacturing process thereof
CN213704835U (en) * 2020-09-27 2021-07-16 营口象圆新材料工程技术有限公司 Composite heat insulation board
CN113896454A (en) * 2021-11-18 2022-01-07 深圳市巴克风实业有限公司 Preparation method of inorganic fiber density board

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437064A (en) * 2016-08-28 2017-02-22 山东地平线建筑节能科技有限公司 Film coated rock wool board for building curtain wall and preparing method thereof
CN107060161A (en) * 2017-05-31 2017-08-18 安徽瑞联节能科技有限公司 A kind of building curtain wall rock cotton board
CN112238659A (en) * 2019-07-17 2021-01-19 江苏振威新材料科技有限公司 Flexible waterproof coiled material modified vertical-filament rock wool board and manufacturing process thereof
CN213704835U (en) * 2020-09-27 2021-07-16 营口象圆新材料工程技术有限公司 Composite heat insulation board
CN113896454A (en) * 2021-11-18 2022-01-07 深圳市巴克风实业有限公司 Preparation method of inorganic fiber density board

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