CN110584436A - Magnetic carpet and preparation method thereof - Google Patents
Magnetic carpet and preparation method thereof Download PDFInfo
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- CN110584436A CN110584436A CN201910826094.0A CN201910826094A CN110584436A CN 110584436 A CN110584436 A CN 110584436A CN 201910826094 A CN201910826094 A CN 201910826094A CN 110584436 A CN110584436 A CN 110584436A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G27/00—Floor fabrics; Fastenings therefor
- A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
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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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- B32B2262/101—Glass fibres
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a magnetic carpet, which is matched with magnetic glue for use, wherein the magnetic glue is used for being laid on a bottom surface or a wall surface and comprises a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, and the upper PVC glue layer and the lower PVC glue layer are different in that iron powder does not exist in the components of the upper PVC glue layer, wherein the lower PVC glue layer comprises the following components, by mass, 290 ~ 300 parts of dioctyl terephthalate, 0.4 ~ 0.6 part of carbon black, 9 ~ 11 parts of an environment-friendly stabilizer, 25 ~ 27 parts of lecithin, 155 ~ 165 parts of PVC resin, 195 ~ 205 parts of PVC emulsion powder, 28 ~ 32 parts of zeolite activation powder, 1140 parts of 1140 ~ 1160 parts of iron powder, 240 parts of stone powder, 260 parts of 240 ~ 260 parts of magnetic force can be adsorbed on the magnetic glue, so that the magnetic force is prevented from shifting after installation is finished, the magnetic force is convenient to pave and convenient to replace.
Description
Technical Field
The invention relates to a magnetic carpet and a preparation method thereof.
Background
The carpet is a ground paving material made up by using natural fibre or chemical synthetic fibre raw material of cotton, hemp, wool, silk and straw yarn through the processes of manual or mechanical weaving and weaving, and is one of the traditional artistic articles with long history in the world, and can be covered on the ground of dwelling house, hotel, gymnasium, exhibition hall, vehicle, ship and airplane, etc. so as to have the effects of reducing noise, insulating heat and decorative. At present, the existing carpet is easy to move and is troublesome to pave and cannot be replaced when an adhesive is not used during installation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a magnetic carpet which is matched with magnetic glue for use, wherein the magnetic glue is laid on the ground or the wall surface and is adsorbed on the magnetic glue through magnetic force, so that the magnetic carpet can be prevented from shifting after installation is finished, and is convenient to lay and replace.
In order to solve the technical problems, the technical scheme of the invention is as follows: a magnetic carpet is used in cooperation with magnetic glue, the magnetic glue is used for being laid on a bottom surface or a wall surface and comprises a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that no iron powder is contained in the components of the upper PVC glue layer, wherein,
the lower PVC glue layer comprises the following components in parts by mass:
dioctyl terephthalate: 290-300 parts of a solvent;
carbon black: 0.4-0.6 part;
an environment-friendly stabilizer: 9-11 parts;
lecithin: 25-27 parts;
PVC resin: 155-165 parts;
PVC emulsion powder: 195-205 parts;
zeolite activating powder: 28-32 parts;
iron powder: 1140-1160 parts;
stone powder: 240-260 parts.
The invention also provides a preparation method of the magnetic carpet, which comprises the following steps:
preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer to form a lower PVC glue layer, and coating the PVC sizing material on the other surface of the glass fiber cloth layer; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying to form an upper PVC glue layer;
and cutting the carpet into a specified size after cooling and shaping to obtain the magnetic carpet.
Further, the steps of preparing the carpet surface coated with the EVA adhesive layer are as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket surface to shrink the blanket surface to obtain the blanket surface coated with the EVA adhesive layer.
Further, the temperature of the pre-drying blanket surface is 110-130 ℃.
Further, the preparation of the lower PVC adhesive layer comprises the following steps:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture in a vacuum environment to obtain a lower PVC glue layer.
Further, the rotation speed of stirring is 900 r/min.
Further, the mixture was stirred at room temperature for 30 min.
Further, coating a PVC sizing material on one surface of the glass fiber cloth layer, and then scraping the PVC sizing material by using a scraper;
and coating a lower PVC sizing material on the other surface of the glass fiber cloth layer, and then scraping the lower PVC sizing material by using a scraper.
Further, the thickness of the lower PVC glue layer is 1.5-2 mm.
Further, the drying temperature is 180-220 ℃; the temperature for cooling and shaping is below 40 ℃, and the time is 2-3 min.
Compared with the prior art, the magnetic carpet comprises a carpet surface, an EVA adhesive layer, an upper PVC adhesive layer, a glass fiber cloth layer and a lower PVC adhesive layer, wherein the lower PVC adhesive layer contains iron powder and can be adsorbed on the magnetic adhesive through magnetic force, so that the carpet is prevented from shifting after installation, the carpet is convenient to pave and replace, the carpet paving process is simplified, the cost for adhering and paving the carpet is saved, and the application range is wide.
Detailed Description
The invention provides a magnetic carpet and a preparation method thereof, and a person skilled in the art can use the contents to reference the text and properly improve the process parameters to realize the magnetic carpet. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the scope of the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The invention provides a magnetic carpet, which is matched with magnetic glue for use, wherein the magnetic glue is used for being laid on a bottom surface or a wall surface, the magnetic glue is the prior art, the magnetic carpet comprises a carpet surface, an EVA glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that the components of the upper PVC glue layer do not contain iron powder, wherein,
the lower PVC glue layer comprises the following components in parts by mass:
dioctyl terephthalate: 290-300 parts of a solvent;
carbon black: 0.4-0.6 part;
an environment-friendly stabilizer: 9-11 parts;
lecithin: 25-27 parts;
PVC resin: 155-165 parts;
PVC emulsion powder: 195-205 parts;
zeolite activating powder: 28-32 parts;
iron powder: 1140-1160 parts;
stone powder: 240-260 parts of a binder;
specifically, the carpet surface can be a tufted carpet surface, the glass fiber cloth layer comprises at least one layer of glass fiber cloth, and the upper PVC glue layer and the lower PVC glue layer are different in that iron powder is not contained in the components of the upper PVC glue layer; further, magnetism carpet and magnetic cement cooperation are used, the magnetic cement can be laid on ground or wall, contain the iron powder down in the PVC glue film, can adsorb through magnetic force on the magnetic cement, can avoid the carpet to shift after the installation is accomplished, pave the convenience moreover, be convenient for change.
More specifically, the environment-friendly stabilizer has excellent thermal stability and light stability and low peculiar smell, and meets the environment-friendly standards such as PAHS (polyamide-imide-formaldehyde) and the like; the dioctyl terephthalate is used as a main plasticizer, the carbon black plays a role in coloring, the lecithin plays a role in reducing viscosity, the zeolite activated powder plays a role in dehumidification, and the stone powder can play a role in filling.
The invention also provides a preparation method of the magnetic carpet, which comprises the following steps:
preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer to form a lower PVC glue layer, and coating the PVC sizing material on the other surface of the glass fiber cloth layer; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying to form an upper PVC glue layer;
and cutting the carpet into a specified size after cooling and shaping to obtain the magnetic carpet.
Further, the steps of preparing the carpet surface coated with the EVA adhesive layer are as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket surface to shrink the blanket surface to obtain the blanket surface coated with the EVA adhesive layer.
Specifically, the temperature of the pre-drying blanket surface is 110-130 ℃.
Further, the preparation of the lower PVC adhesive layer comprises the following steps:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture in a vacuum environment to obtain a lower PVC glue layer.
Specifically, stirring is carried out for 30min at normal temperature, the stirring speed is 900r/min, and the viscosity of the stirred mixture is controlled to be 20000-40000 CPS.
Further, coating a PVC sizing material on one surface of the glass fiber cloth layer, and then scraping the PVC sizing material by using a scraper;
and coating a lower PVC sizing material on the other surface of the glass fiber cloth layer, and then scraping the lower PVC sizing material by using a scraper.
Further, the thickness of the lower PVC glue layer is 1.5-2 mm.
Further, the drying temperature is 180-220 ℃; the temperature for cooling and shaping is below 40 ℃, and the time is 2-3 min.
In order that the present invention may be more clearly understood, the following detailed description of the present invention is given with reference to specific examples.
Example 1
The magnetic carpet of the embodiment is used in cooperation with magnetic glue, the magnetic glue is used for being laid on a bottom surface or a wall surface and comprises a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that iron powder does not exist in the components of the upper PVC glue layer, wherein,
the lower PVC glue layer comprises the following components in parts by mass: dioctyl terephthalate: 295 parts of; carbon black: 0.5 part; an environment-friendly stabilizer: 10 parts of (A); lecithin: 26 parts of (1); PVC resin: 160 parts of (B); PVC emulsion powder: 200 parts of (A); zeolite activating powder: 30 parts of (1); iron powder: 1150 parts; stone powder: 250 parts of the raw materials.
Preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer, scraping the lower PVC sizing material by using a scraper to form a lower PVC sizing material layer, coating the PVC sizing material on the other surface of the glass fiber cloth layer, and scraping the upper PVC sizing material by using the scraper; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying at 200 ℃ to form an upper PVC glue layer, wherein the traveling speed of the carpet during drying is 2 m/min;
cooling and shaping for 2.5min at 30 ℃, and then cutting into a specified size to obtain the magnetic carpet.
Specifically, the steps for preparing the carpet surface coated with the EVA adhesive layer are as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket face at the temperature of 120 ℃ to shrink the blanket face to obtain the blanket face coated with the EVA adhesive layer, wherein the walking speed of the blanket face during pre-drying is 9.5 m/min.
Specifically, the preparation method of the lower PVC glue layer comprises the following steps:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture for 30min at the rotating speed of 900r/min in a vacuum normal-temperature environment to obtain the lower PVC glue layer.
In this embodiment, the thickness of the lower PVC glue layer is 1.75 mm.
The magnetic carpet prepared in example 1 was cut into pieces of 0.5m × 0.5 m; adsorbing the cut magnetic carpet on the horizontally arranged magnetic glue; respectively pulling the magnetic carpet for 10 seconds in a direction vertical to four edges of the carpet by using a force of 100N, and recording the moving distance of the carpet; the test 100 sets were repeated and the average of the moving distances was recorded in table 1.
Example 2
The magnetic carpet of the embodiment is used in cooperation with magnetic glue, the magnetic glue is used for being laid on a bottom surface or a wall surface and comprises a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that iron powder does not exist in the components of the upper PVC glue layer, wherein,
the lower PVC glue layer comprises the following components in parts by mass: dioctyl terephthalate: 290 parts of (a); carbon black: 0.4 part; an environment-friendly stabilizer: 9 parts of (1); lecithin: 25 parts of (1); PVC resin: 155 parts of (B); PVC emulsion powder: 195 parts of a binder; zeolite activating powder: 28 parts of (1); iron powder: 1140 parts; stone powder: 240 parts of the raw materials.
Preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer, scraping the lower PVC sizing material by using a scraper to form a lower PVC sizing material layer, coating the PVC sizing material on the other surface of the glass fiber cloth layer, and scraping the upper PVC sizing material by using the scraper; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying at 180 ℃ to form an upper PVC glue layer, wherein the traveling speed of the carpet during drying is 2 m/min;
and cooling and shaping for 2min at the temperature of 20 ℃, and then cutting into a specified size to obtain the magnetic carpet.
Specifically, the steps for preparing the carpet surface coated with the EVA adhesive layer are as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket face in an environment of 110 ℃ to shrink the blanket face to obtain the blanket face coated with the EVA adhesive layer, wherein the walking speed of the blanket face during pre-drying is 9 m/min.
Specifically, the preparation method of the lower PVC glue layer comprises the following steps:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture for 30min at the rotating speed of 900r/min in a vacuum normal-temperature environment to obtain the lower PVC glue layer.
In this embodiment, the thickness of the lower PVC glue layer is 1.5 mm.
The magnetic carpet prepared in example 2 was cut into pieces of 0.5m × 0.5 m; adsorbing the cut magnetic carpet on the horizontally arranged magnetic glue; respectively pulling the magnetic carpet for 10 seconds in a direction vertical to four edges of the carpet by using a force of 100N, and recording the moving distance of the carpet; the test 100 sets were repeated and the average of the moving distances was recorded in table 1.
Example 3
The magnetic carpet of the embodiment is used in cooperation with magnetic glue, the magnetic glue is used for being laid on a bottom surface or a wall surface and comprises a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that iron powder does not exist in the components of the upper PVC glue layer, wherein,
the lower PVC glue layer comprises the following components in parts by mass: dioctyl terephthalate: 300 parts of (A); carbon black: 0.6 part; an environment-friendly stabilizer: 11 parts of (1); lecithin: 27 parts of (1); PVC resin: 165 parts of a mixture; PVC emulsion powder: 205 parts of (A); zeolite activating powder: 32 parts of (1); iron powder: 1160 parts of (b); stone powder: 260 parts of (A).
Preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer, scraping the lower PVC sizing material by using a scraper to form a lower PVC sizing material layer, coating the PVC sizing material on the other surface of the glass fiber cloth layer, and scraping the upper PVC sizing material by using the scraper; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying at 220 ℃ to form an upper PVC glue layer, wherein the traveling speed of the carpet during drying is 2 m/min;
and cooling and shaping for 3min at the temperature of 39 ℃, and then cutting into a specified size to obtain the magnetic carpet.
Specifically, the steps for preparing the carpet surface coated with the EVA adhesive layer are as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket face in an environment of 130 ℃ to shrink the blanket face to obtain the blanket face coated with the EVA adhesive layer, wherein the walking speed of the blanket face during pre-drying is 10 m/min.
Specifically, the preparation method of the lower PVC glue layer comprises the following steps:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture for 30min at the rotating speed of 900r/min in a vacuum normal-temperature environment to obtain the lower PVC glue layer.
In this embodiment, the thickness of the lower PVC glue layer is 2 mm.
The magnetic carpet prepared in example 3 was cut into pieces of 0.5m × 0.5 m; adsorbing the cut magnetic carpet on the horizontally arranged magnetic glue; respectively pulling the magnetic carpet for 10 seconds in a direction vertical to four edges of the carpet by using a force of 100N, and recording the moving distance of the carpet; the test 100 sets were repeated and the average of the moving distances was recorded in table 1.
Comparative example 1
The magnetic carpet of comparative example 1 is used in cooperation with magnetic glue, the magnetic glue is used for being laid on a bottom surface or a wall surface and comprises a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that iron powder does not exist in the components of the upper PVC glue layer, wherein,
the lower PVC glue layer comprises the following components in parts by mass: dioctyl terephthalate: 290 parts of (a); carbon black: 0.4 part; an environment-friendly stabilizer: 9 parts of (1); lecithin: 25 parts of (1); PVC resin: 155 parts of (B); PVC emulsion powder: 195 parts of a binder; zeolite activating powder: 28 parts of (1); iron powder: 500 parts; stone powder: 240 parts of the raw materials.
Preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer, scraping the lower PVC sizing material by using a scraper to form a lower PVC sizing material layer, coating the PVC sizing material on the other surface of the glass fiber cloth layer, and scraping the upper PVC sizing material by using the scraper; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying at 180 ℃ to form an upper PVC glue layer, wherein the traveling speed of the carpet during drying is 2 m/min;
and cooling and shaping for 2min at the temperature of 20 ℃, and then cutting into a specified size to obtain the magnetic carpet.
Specifically, the steps for preparing the carpet surface coated with the EVA adhesive layer are as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket face in an environment of 110 ℃ to shrink the blanket face to obtain the blanket face coated with the EVA adhesive layer, wherein the walking speed of the blanket face during pre-drying is 9 m/min.
Specifically, the preparation method of the lower PVC glue layer comprises the following steps:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture for 30min at the rotating speed of 900r/min in a vacuum normal-temperature environment to obtain the lower PVC glue layer.
In this embodiment, the thickness of the lower PVC glue layer is 1.5 mm.
The magnetic carpet in comparative example 1 was the same as example 2 except that the iron powder was 500 parts by mass, and the remaining components and the component parts by mass and the preparation method were the same.
The magnetic carpet prepared in comparative example 1 was cut into pieces of 0.5m × 0.5 m; adsorbing the cut magnetic carpet on the horizontally arranged magnetic glue; respectively pulling the magnetic carpet for 10 seconds in a direction vertical to four edges of the carpet by using a force of 100N, and recording the moving distance of the carpet; the test 100 sets were repeated and the average of the moving distances was recorded in table 1.
TABLE 1 comparison table of magnetic carpet moving distance
As can be seen from the above table, after the magnetic carpet prepared in comparative example 1 is attracted to the magnetic glue, the magnetic carpet is not firmly fixed and is easy to displace. The magnetic carpet prepared by the formula disclosed by the invention can be adsorbed on the magnetic glue through magnetic force and has moderate adsorption force, so that the carpet is prevented from shifting after being installed, and the carpet is convenient to pave and replace.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A magnetic carpet, which is used in cooperation with magnetic glue, wherein the magnetic glue is used for being laid on a bottom surface or a wall surface, and is characterized by comprising a carpet surface, an EVA (ethylene vinyl acetate) glue layer, an upper PVC glue layer, a glass fiber cloth layer and a lower PVC glue layer which are sequentially stacked from top to bottom, wherein the lower PVC glue layer is used for being adsorbed on the magnetic glue through magnetic force, the upper PVC glue layer and the lower PVC glue layer are different in that no iron powder is contained in the components of the upper PVC glue layer, wherein,
the lower PVC glue layer comprises the following components in parts by mass:
290 parts of dioctyl terephthalate, 290 ~ 300 parts;
0.4 part of carbon black, 0.4 ~ 0.6.6 parts;
9 portions of environment-friendly stabilizer, 9 ~ 11 portions;
25 portions of lecithin, 25 ~ 27 portions;
155 portions of PVC resin 155 ~ 165;
195 ~ 205 portions of PVC emulsion powder;
28 parts of zeolite activating powder, namely 28 ~ 32 parts;
1140 ~ 1160 parts;
240 parts of stone powder, 240 ~ 260 parts.
2. A method of making a magnetic carpet as claimed in claim 1, characterized in that the method comprises the steps of:
preparing a lower PVC sizing material and an upper PVC sizing material, coating the lower PVC sizing material on one surface of the glass fiber cloth layer to form a lower PVC glue layer, and coating the PVC sizing material on the other surface of the glass fiber cloth layer; providing a blanket surface coated with an EVA (ethylene vinyl acetate) adhesive layer, and coating a PVC (polyvinyl chloride) adhesive on the EVA adhesive layer;
pressing the upper PVC glue coated on the EVA glue layer and the PVC glue coated on the glass fiber cloth layer, and drying to form an upper PVC glue layer;
and cutting the carpet into a specified size after cooling and shaping to obtain the magnetic carpet.
3. The method for preparing the EVA adhesive layer of claim 2, wherein the step of preparing the blanket face coated with the EVA adhesive layer is as follows:
providing a blanket surface, and coating an EVA (ethylene vinyl acetate) adhesive layer on the back surface of the blanket surface;
and pre-drying the blanket surface to shrink the blanket surface to obtain the blanket surface coated with the EVA adhesive layer.
4. The method of claim 3 wherein the pre-baked mat face is at a temperature of 110 ~ 130 ℃.
5. The method of claim 2, wherein the step of preparing the lower PVC adhesive layer is as follows:
preparing the components of the lower PVC glue layer and the mass parts of the components, and mixing;
stirring the mixture in a vacuum environment to obtain a lower PVC glue layer.
6. The method according to claim 5, wherein the stirring is performed at a rotation speed of 900 r/min.
7. The method according to claim 5, wherein the stirring is carried out at room temperature for 30 min.
8. The production method according to claim 2,
coating a PVC sizing material on one surface of the glass fiber cloth layer, and then scraping the PVC sizing material by using a scraper;
and coating a lower PVC sizing material on the other surface of the glass fiber cloth layer, and then scraping the lower PVC sizing material by using a scraper.
9. The method of claim 2, wherein the lower PVC glue layer has a thickness of 1.5 ~ 2 mm.
10. The preparation method of claim 2, wherein the drying temperature is 180 ~ 220 ℃, and the cooling and shaping temperature is below 40 ℃ for 2 ~ 3 min.
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Application publication date: 20191220 |