CN113321838A - Antibacterial wear-resistant PVC floor and forming process thereof - Google Patents
Antibacterial wear-resistant PVC floor and forming process thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
Abstract
The invention discloses an antibacterial wear-resistant PVC floor and a forming process thereof, wherein the antibacterial wear-resistant PVC floor is prepared from the following raw materials in parts by weight: 80-100 parts of polyvinyl chloride and copolymer resin thereof, 40-60 parts of plasticizer, 15-20 parts of stabilizer, 10-15 parts of lubricant, 5-15 parts of colorant, 3-5 parts of antioxidant, 3-5 parts of bacteriostatic agent and 5-10 parts of wear-resisting agent, the PVC floor board prepared by the invention is suitable for PVC floor boards, and has the advantages of high temperature resistance and good pressure resistance, and the wear-resisting agent is coated before the UV paint is coated on the PVC board, so that the wear resistance of the PVC floor board is excellent; according to the invention, the bacteriostatic agent is added into the raw materials of the PVC floor, so that the PVC floor has a bacteriostatic effect and strong functionality, and the product produced by the method is environment-friendly and nontoxic, has excellent physical properties, is not complex in processing method, and greatly reduces the cost.
Description
Technical Field
The invention belongs to the technical field of PVC (polyvinyl chloride) floors, and particularly relates to an antibacterial wear-resistant PVC floor and a forming process thereof.
Background
PVC floor is a new type of light floor decoration material which is very popular in the world today, also called light floor material. The PVC floor is a product widely popular in European, American and Asia in Japan and Korean, is popular abroad, enters the Chinese market from the beginning of the 80 s, is generally accepted in domestic large and medium cities so far, and is widely used, such as various places such as families, hospitals, schools, office buildings, factories, public places, supermarkets, businesses and the like, wherein the PVC floor refers to a floor produced by adopting a polyvinyl chloride material. The PVC/;
the existing PVC floor is weak in high temperature resistance, wear resistance and compression resistance, and does not have a bacteriostatic effect, so that the requirement of people is difficult to meet.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an antibacterial wear-resistant PVC floor and a forming process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an antibacterial wear-resistant PVC floor and a forming process thereof are prepared from the following raw materials in parts by weight: 80-100 parts of polyvinyl chloride and copolymer resin thereof, 40-60 parts of plasticizer, 15-20 parts of stabilizer, 10-15 parts of lubricant, 5-15 parts of colorant, 3-5 parts of antioxidant, 3-5 parts of bacteriostatic agent and 5-10 parts of wear-resistant agent.
Preferably, the feed is prepared from the following raw materials in parts by weight: 85-95 parts of polyvinyl chloride and copolymer resin thereof, 45-55 parts of plasticizer, 16-19 parts of stabilizer, 12-13 parts of lubricant, 8-12 parts of colorant, 3-4 parts of antioxidant, 3-4 parts of bacteriostatic agent and 7-8 parts of wear-resistant agent.
Preferably, the feed is prepared from the following raw materials in parts by weight: 90 parts of polyvinyl chloride and copolymer resin thereof, 50 parts of plasticizer, 17 parts of stabilizer, 12 parts of lubricant, 10 parts of colorant, 4 parts of antioxidant, 4 parts of bacteriostatic agent and 7 parts of wear-resistant agent.
Preferably, the plasticizer is dioctyl phthalate, and the stabilizer is one of the following components: the organic tin stabilizer, the transparent calcium-zinc composite stabilizer and the transparent rare earth stabilizer are adopted as the lubricating agent, stearic acid and pigment or fuel are adopted as the coloring agent, and one of the following antioxidants is adopted: antioxidant CA, antioxidant 264, antioxidant 2246 and antioxidant 1076, wherein the wear-resisting agent is a diamond wear-resisting agent.
Preferably, the mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
Preferably, the molding process of the antibacterial wear-resistant PVC floor comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
Preferably, the method further comprises the following steps:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
Preferably, the hot mixing temperature in the step (S1) is 60 to 160 ℃ and the hot mixing time is 30min, and the cold mixing temperature in the step (S2) is 45 ℃ and the cold mixing time is 15 min.
Preferably, the temperature at which the pellets in the step (S4) are melted on the conveyor belt is 200 ℃.
The PVC floor prepared by the invention has the advantages of high temperature resistance and good pressure resistance, and the wear-resistant agent is coated before the UV paint is coated on the PVC plate, so that the PVC floor has excellent wear resistance;
according to the invention, the bacteriostatic agent is added into the raw materials of the PVC floor, so that the PVC floor has a bacteriostatic effect and strong functionality, and the product produced by the method is environment-friendly and nontoxic, has excellent physical properties, is not complex in processing method, and greatly reduces the cost.
Drawings
FIG. 1 is an overall flow diagram of the present invention.
Detailed Description
The following description further describes a specific embodiment of the antibacterial wear-resistant PVC floor and a forming process thereof with reference to the attached drawing 1. The antibacterial wear-resistant PVC floor and the forming process thereof are not limited to the description of the following examples.
Example 1:
the embodiment provides an antibacterial wear-resistant PVC floor and a specific structure of a forming process thereof, as shown in FIG. 1, the antibacterial wear-resistant PVC floor is prepared from the following raw materials in parts by weight: 80 parts of polyvinyl chloride and copolymer resin thereof, 40 parts of plasticizer, 15 parts of stabilizer, 10 parts of lubricant, 5 parts of colorant, 3 parts of antioxidant, 3 parts of bacteriostatic agent and 5 parts of wear-resistant agent.
The plasticizer adopts dioctyl phthalate, the stabilizer adopts organic tin stabilizer, the lubricant adopts stearic acid, the colorant adopts pigment or fuel, the antioxidant adopts antioxidant CA, and the wear-resisting agent adopts diamond wear-resisting agent.
The mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
A molding process of an antibacterial wear-resistant PVC floor comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
Further comprising the steps of:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
The hot mixing temperature in the step (S1) is 60-160 ℃, the hot mixing time is 30min, the cold mixing temperature in the step (S2) is 45 ℃, and the cold mixing time is 15 min.
The temperature at which the pellets in the step (S4) were melted on the conveyor belt was 200 ℃.
Example 2:
the embodiment provides an antibacterial wear-resistant PVC floor and a specific structure of a forming process thereof, as shown in FIG. 1, the antibacterial wear-resistant PVC floor is prepared from the following raw materials in parts by weight: 85 parts of polyvinyl chloride and copolymer resin thereof, 45 parts of plasticizer, 16 parts of stabilizer, 12 parts of lubricant, 8 parts of colorant, 3 parts of antioxidant, 3 parts of bacteriostatic agent and 7 parts of wear-resistant agent.
The plasticizer adopts dioctyl phthalate, the stabilizer adopts organic tin stabilizer, the lubricant adopts stearic acid, the colorant adopts pigment or fuel, the antioxidant adopts antioxidant CA, and the wear-resisting agent adopts diamond wear-resisting agent.
The mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
A molding process of an antibacterial wear-resistant PVC floor comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
Further comprising the steps of:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
The hot mixing temperature in the step (S1) is 60-160 ℃, the hot mixing time is 30min, the cold mixing temperature in the step (S2) is 45 ℃, and the cold mixing time is 15 min.
The temperature at which the pellets in the step (S4) were melted on the conveyor belt was 200 ℃.
Example 3:
the embodiment provides an antibacterial wear-resistant PVC floor and a specific structure of a forming process thereof, as shown in FIG. 1, the antibacterial wear-resistant PVC floor is prepared from the following raw materials in parts by weight: 90 parts of polyvinyl chloride and copolymer resin thereof, 50 parts of plasticizer, 17 parts of stabilizer, 12 parts of lubricant, 10 parts of colorant, 4 parts of antioxidant, 4 parts of bacteriostatic agent and 7 parts of wear-resistant agent.
The plasticizer adopts dioctyl phthalate, and the stabilizer adopts one of the following components: the organic tin stabilizer, the transparent calcium-zinc composite stabilizer and the transparent rare earth stabilizer are adopted as the lubricating agents, stearic acid and pigment or fuel are adopted as the coloring agents, and one of the following antioxidants is adopted: antioxidant CA, antioxidant 264, antioxidant 2246 and antioxidant 1076, wherein the wear-resisting agent is diamond wear-resisting agent.
The mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
A molding process of an antibacterial wear-resistant PVC floor comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
Further comprising the steps of:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
The hot mixing temperature in the step (S1) is 60-160 ℃, the hot mixing time is 30min, the cold mixing temperature in the step (S2) is 45 ℃, and the cold mixing time is 15 min.
The temperature at which the pellets in the step (S4) were melted on the conveyor belt was 200 ℃.
Example 4:
the embodiment provides an antibacterial wear-resistant PVC floor and a specific structure of a forming process thereof, as shown in FIG. 1, the antibacterial wear-resistant PVC floor is prepared from the following raw materials in parts by weight: 95 parts of polyvinyl chloride and copolymer resin thereof, 55 parts of plasticizer, 19 parts of stabilizer, 13 parts of lubricant, 12 parts of colorant, 4 parts of antioxidant, 4 parts of bacteriostatic agent and 8 parts of wear-resistant agent.
The plasticizer adopts dioctyl phthalate, the stabilizer adopts organic tin stabilizer, the lubricant adopts stearic acid, the colorant adopts pigment or fuel, the antioxidant adopts antioxidant CA, and the wear-resisting agent adopts diamond wear-resisting agent.
The mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
A molding process of an antibacterial wear-resistant PVC floor comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
Further comprising the steps of:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
The hot mixing temperature in the step (S1) is 60-160 ℃, the hot mixing time is 30min, the cold mixing temperature in the step (S2) is 45 ℃, and the cold mixing time is 15 min.
The temperature at which the pellets in the step (S4) were melted on the conveyor belt was 200 ℃.
Example 5:
the embodiment provides an antibacterial wear-resistant PVC floor and a specific structure of a forming process thereof, as shown in FIG. 1, the antibacterial wear-resistant PVC floor is prepared from the following raw materials in parts by weight: 100 parts of polyvinyl chloride and copolymer resin thereof, 60 parts of plasticizer, 20 parts of stabilizer, 15 parts of lubricant, 15 parts of colorant, 5 parts of antioxidant, 5 parts of bacteriostatic agent and 10 parts of wear-resistant agent.
The plasticizer adopts dioctyl phthalate, the stabilizer adopts organic tin stabilizer, the lubricant adopts stearic acid, the colorant adopts pigment or fuel, the antioxidant adopts antioxidant CA, and the wear-resisting agent adopts diamond wear-resisting agent.
The mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
A molding process of an antibacterial wear-resistant PVC floor comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
Further comprising the steps of:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
The hot mixing temperature in the step (S1) is 60-160 ℃, the hot mixing time is 30min, the cold mixing temperature in the step (S2) is 45 ℃, and the cold mixing time is 15 min.
The temperature at which the pellets in the step (S4) were melted on the conveyor belt was 200 ℃.
Table 1 shows the performance test of the PVC flooring prepared in examples 1-5 according to different raw material ratios, the test results are as follows:
TABLE 1
The experimental data in table 1 show that the PVC floor prepared by the invention has the advantages of high temperature resistance and good pressure resistance, and the wear-resistant agent is coated before the UV paint is coated on the PVC plate, so that the PVC floor has excellent wear resistance, and the example 3 is the optimal choice.
According to the invention, the bacteriostatic agent is added into the raw materials of the PVC floor, so that the PVC floor has a bacteriostatic effect.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides an antibiotic wear-resisting type PVC floor which characterized in that: the composition is prepared from the following raw materials in parts by weight: 80-100 parts of polyvinyl chloride and copolymer resin thereof, 40-60 parts of plasticizer, 15-20 parts of stabilizer, 10-15 parts of lubricant, 5-15 parts of colorant, 3-5 parts of antioxidant, 3-5 parts of bacteriostatic agent and 5-10 parts of wear-resistant agent.
2. The antibacterial abrasion-resistant PVC floor as claimed in claim 1, wherein: the composition is prepared from the following raw materials in parts by weight: 85-95 parts of polyvinyl chloride and copolymer resin thereof, 45-55 parts of plasticizer, 16-19 parts of stabilizer, 12-13 parts of lubricant, 8-12 parts of colorant, 3-4 parts of antioxidant, 3-4 parts of bacteriostatic agent and 7-8 parts of wear-resistant agent.
3. The antibacterial abrasion-resistant PVC floor as claimed in claim 1, wherein: the composition is prepared from the following raw materials in parts by weight: 90 parts of polyvinyl chloride and copolymer resin thereof, 50 parts of plasticizer, 17 parts of stabilizer, 12 parts of lubricant, 10 parts of colorant, 4 parts of antioxidant, 4 parts of bacteriostatic agent and 7 parts of wear-resistant agent.
4. An antibacterial wear-resistant PVC floor as claimed in any one of claims 1 to 3, characterized in that: the plasticizer adopts dioctyl phthalate, and the stabilizer adopts one of the following components: the organic tin stabilizer, the transparent calcium-zinc composite stabilizer and the transparent rare earth stabilizer are adopted as the lubricating agent, stearic acid and pigment or fuel are adopted as the coloring agent, and one of the following antioxidants is adopted: antioxidant CA, antioxidant 264, antioxidant 2246 and antioxidant 1076, wherein the wear-resisting agent is a diamond wear-resisting agent.
5. An antibacterial wear-resistant PVC floor as claimed in any one of claims 1 to 3, characterized in that: the mass ratio of the polyvinyl chloride to the copolymer resin is as follows: 6:4.
6. The forming process of the antibacterial wear-resistant PVC floor as claimed in claim 1, wherein the forming process comprises the following steps: the method comprises the following specific steps:
(S1), weighing the polyvinyl chloride and the copolymer resin thereof and the plasticizer according to the weight ratio, and feeding the metered polyvinyl chloride and the copolymer resin thereof and the plasticizer into a hot mixer for hot mixing;
(S2), after the hot mixing is finished, putting the mixture into a cold mixer, and synchronously putting a stabilizer, a lubricant, a colorant, an antioxidant and a bacteriostatic agent into the cold mixer for cold mixing to obtain dry mixture;
(S3), putting the dry mixture into a double-screw extruder, plasticizing and molding the dry mixture under the action of screw shearing force at high temperature, extruding the dry mixture, cutting the dry mixture into granules by a cutter after extrusion, and metering and collecting the granules;
(S4), feeding the cut granules into a granule spreading system, conveying the granules to a granule spreader by negative pressure, spreading granules on a conveyer belt according to different particle sizes, melting the granules on the conveyer belt, and forming under the pressure of a press roller to form the PVC plate.
7. The forming process of the antibacterial wear-resistant PVC floor as claimed in claim 6, wherein the forming process comprises the following steps: further comprising the steps of:
(S5) coating a wear-resisting agent on the surface of the PVC board;
(S6) drying the PVC board coated with the wear-resistant agent for 30-60min, coating UV paint on the surface of the PVC board, heating, leveling and curing to obtain the PVC floor.
8. The forming process of the antibacterial wear-resistant PVC floor as claimed in claim 6, wherein the forming process comprises the following steps: the hot mixing temperature in the step (S1) is 60-160 ℃, the hot mixing time is 30min, and the cold mixing temperature in the step (S2) is 45 ℃, and the cold mixing time is 15 min.
9. The forming process of the antibacterial wear-resistant PVC floor as claimed in claim 6, wherein the forming process comprises the following steps: the temperature at which the pellets in the step (S4) are melted on the conveyor belt is 200 ℃.
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| CN114163756A (en) * | 2021-12-28 | 2022-03-11 | 苏州旭利实业有限公司 | Preparation method of iodine-wine-resistant PVC (polyvinyl chloride) floor |
| CN114957887A (en) * | 2022-07-01 | 2022-08-30 | 清远市快地新型建材有限公司 | Preparation method of super-wear-resistant floor with excellent performance |
| CN115124759A (en) * | 2022-07-08 | 2022-09-30 | 清远市快地新型建材有限公司 | Preparation method of flexible floor with excellent performance |
| CN116891608A (en) * | 2023-04-13 | 2023-10-17 | 惠州市元塑高分子材料有限公司 | Wear-resistant PVC plastic and preparation method thereof |
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| CN114957887A (en) * | 2022-07-01 | 2022-08-30 | 清远市快地新型建材有限公司 | Preparation method of super-wear-resistant floor with excellent performance |
| CN115124759A (en) * | 2022-07-08 | 2022-09-30 | 清远市快地新型建材有限公司 | Preparation method of flexible floor with excellent performance |
| CN116891608A (en) * | 2023-04-13 | 2023-10-17 | 惠州市元塑高分子材料有限公司 | Wear-resistant PVC plastic and preparation method thereof |
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