US20190283364A1 - Rigid board plastic flooring and its production method - Google Patents

Rigid board plastic flooring and its production method Download PDF

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Publication number
US20190283364A1
US20190283364A1 US16/423,311 US201916423311A US2019283364A1 US 20190283364 A1 US20190283364 A1 US 20190283364A1 US 201916423311 A US201916423311 A US 201916423311A US 2019283364 A1 US2019283364 A1 US 2019283364A1
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Prior art keywords
layer
product
bottom layer
rigid board
flooring
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Abandoned
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US16/423,311
Inventor
Hsu-Ming Ting
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Darde Flooring Development (jiangsu) Co Ltd
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Darde Flooring Development (jiangsu) Co Ltd
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Priority to US16/423,311 priority Critical patent/US20190283364A1/en
Assigned to Darde Flooring Development (JiangSu) Co., Ltd. reassignment Darde Flooring Development (JiangSu) Co., Ltd. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TING, HSU-MING
Publication of US20190283364A1 publication Critical patent/US20190283364A1/en
Priority to US17/208,192 priority patent/US11648749B2/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/20—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
    • B32B37/203—One or more of the layers being plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details

Definitions

  • the invention relates to a flooring product and the production method thereof, more specifically to a rigid board plastic flooring and the production method thereof.
  • PVC flooring has been used in public and commercial places such as offices, schools, hospitals, pharmaceutical factories, sports arenas, entertainment facilities, shopping malls, restaurants and hotels, etc., as well as in the home because of its unique material, super performance, easy and fast installation, reasonable price and safety features.
  • the PVC flooring shall be prepared by using the following steps: 1) preparation of the intermediate substrate middle and back layer: mix PVC powder, plasticizer, the stabilizer and the filler according to the required order and proportion uniformly and roll to form PVC sheet; 2) Hot press: stick the wear layer, the print film, the middle layer and the back layer together by heating and pressurization after overlapping according to the required order; 3) coating and annealing: conduct UV treatment for the semi-finished product after hot press, making the PVC flooring more wearable, wherein the property of the semi-finished product after hot press is unstable, and the physical property after the heating treatment has excellent stability; 4) cutting: cut the PVC flooring into the product size required according to the order of the customer; and 5) beveling/profiling the click product: bevel/profile the click product according to the requirements of the customer and the appearance of PVC flooring will therefore be a resemblance of wood/stone flooring.
  • plasticizer can permeate the PVC product because it is not tightly connected with the PVC product base.
  • the plasticizer might lead to a reduction in survival rate of the animal, weight loss, reduction of hepatorenal function, decrease of erythrocytes in the blood, possible mutation and cancer.
  • researchers also found after examining animals' embryotoxicity that the plasticizer might also cause some serious effects such as cleft palate, spinal deformity, cardiac deformation, defects of the eyes, malformation of fingers or toes, limb deformation, etc. of the animal fetus.
  • the invention is designed to provide a rigid board plastic flooring and a production method of the flooring to offer a solution to the above-mentioned problems.
  • the invention relates to a rigid board plastic flooring comprises a wear layer, a decoration layer, a first connecting layer and a bottom layer which are connected in the right order and stuck to each other by means of a hot press, wherein the bottom layer includes an extruded rigid board.
  • the rigid board plastic flooring will comprise a further second connecting layer and a sound and shock-absorbing layer.
  • the aforementioned second connecting layer and sound and shock-absorbing layer are arranged under the bottom layer in sequence.
  • the first connecting layer and the second connecting layer are 0.01-0.5 mm thickness, and 5-300 g/m 2 in terms of gram weight.
  • the first connecting layer and said second connecting layer are prepared from the same material; a membrane or cloth which is non-adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C.
  • the aforementioned first connecting layer and the second connecting layer are prepared from different materials, more specifically, the first connecting layer is prepared from a non-adhesive membrane or cloth at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C.; the second connecting layer is prepared from a double-component adhesive.
  • the bottom layer is ideally a plastic rigid board, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.;
  • the aforementioned sound and shock-absorbing layer is prepared from cork or foamed material of 0.1-5.0 mm thickness; the foamed material refers to a low-density foamed material.
  • the aforementioned wear layer is prepared from transparent polymer material, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the decoration layer can be prepared from polymer materials, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the invention also relates to a method of producing rigid board plastic flooring, wherein the bottom layer is moulded by way of the extruding process; a wear layer, a decoration layer, a first connecting layer and a bottom layer are subjected to hot press under a certain temperature and pressure;
  • said sound and shock-absorbing layer is connected to the bottom surface of the aforementioned bottom layer by using the second connecting layer after UV coating and annealing.
  • the bottom layer will comprise PVC powder, a processing agent, internal lubricant, external lubricant, rare-earth stabilizer and calcium carbonate.
  • the PVC powder, processing agent, internal lubricant, external lubricant, rare-earth stabilizer and calcium carbonate are 9.5-61.75%, 0-5.5%, 0.4-0.5%, 0.1-0.6%, 2.0-2.5% and 33.25-85.50% of the bottom layer respectively.
  • the product offers the following benefits:
  • the bottom layer of the flooring shall be prepared by using extrusion molding without adding plasticizer; therefore, the product is more environmentally friendly.
  • the edge of the click product is not easily damaged during storage and transportation because the bottom layer includes a plastic hard board and the profile of click product has great strength.
  • FIG. 1 is structure diagram 1 of rigid board plastic flooring.
  • FIG. 2 is structure diagram 2 of rigid board plastic flooring.
  • FIG. 3 is structure diagram of click profile.
  • the product comprises a wear layer 1 , a decoration layer 2 , a connecting layer 3 and a bottom layer 4 , which are connected in sequence.
  • the surface layer shall include a transparent wear layer of 0.1-1.0 mm thickness and can be prepared from transparent polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the second layer includes a decoration layer and this can be prepared from polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the third layer includes a connecting layer of 0.01-0.5 mm thickness and 5-300 g/m 2 in terms of gram weight and can be prepared from the membrane or cloth which is not adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C.
  • the fourth layer shall include a bottom layer of 2.0-10.0 mm thickness made from polymer hard board such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the product comprises a wear layer 1 , decoration layer 2 , a first connecting layer 31 , bottom layer 4 , a second connecting layer 32 and a sound and shock-absorbing layer 5 which are connected in order.
  • the surface layer includes a transparent wear layer of 0.1-1.0 mm thickness and can be prepared from transparent polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the second layer includes a decoration layer and can be prepared from polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the third layer includes a first connecting layer of 0.01-0.5 mm thickness and 5-300 g/m 2 in terms of gram weight and is prepared from membrane or cloth which is non-adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C.
  • the fourth layer shall involve a bottom layer of 2.0-10.0 mm thickness and can be a polymer hard board, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • the fifth layer involves a second connecting layer of 0.01-0.5 mm thickness and 5-300 g/m 2 in terms of gram weight and can be prepared from material identical to that of the first connecting layer, that is, membrane or cloth which is not adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C. Otherwise, it can be different from that of the first connecting layer, that is, double-component glue, such as epoxy resin adhesive, polyurethane adhesive and acrylate adhesive.
  • the sixth layer shall include a sound and shock-absorbing layer, which can be cork or foamed material.
  • the foamed material will be a low-foamed material, which can be PE foamed material, EVA foamed material, EPDM foamed material, PP foamed material, PVC foamed material, PU foamed material, SBR foamed material or NBR foamed material of 0.1-5.0 mm thickness.
  • the invention also relates to a method of producing rigid board plastic flooring, wherein the bottom layer is molded by using the extruding process; the wear layer, decoration layer, first connecting layer and bottom layer shall be subjected to hot press under a certain temperature and pressure; the bottom layer comprises the PVC powder, processing agent, internal lubricant, external lubricant, the rare-earth stabilizer and the calcium carbonate with percentages of 9.5-61.75%, 0-5.5%, 0.4-0.5%, 0.1-0.6%, 2.0-2.5% and 33.25-85.50% respectively.
  • the bottom layer of the flooring product shall be prepared by using extrusion molding, without adding plasticizer. Therefore, the product is more environmentally friendly; the edge of the click product is not easily damaged during storage and transportation because the bottom layer includes a polymer hard board and the click product produced is strong.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a rigid board plastic flooring comprising a wear layer, a decoration layer, a first connecting layer and a bottom layer which are connected in sequence, and also relates to the production method thereof. The bottom layer of the flooring is prepared using extrusion molding without adding plasticizer. The product is therefore more environmentally friendly. The edge of the click product is not easily damaged during storage and transportation as the bottom layer comprises a plastic hard board and the strength of the click profile is strong.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This Application is a Divisional of application Ser. No. 15/013,461 filed on Feb. 2, 2016. application Ser. No. 15/013461 claims priority from Application 201510809064.0 filed on Nov. 20, 2015 in China.
    • FIELD OF THE INVENTION
  • The invention relates to a flooring product and the production method thereof, more specifically to a rigid board plastic flooring and the production method thereof.
    • BACKGROUND OF THE INVENTION
  • The floor-laying materials sold on the market so far mainly include ceramic tiles, wooden flooring, laminate flooring and PVC flooring. PVC flooring has been used in public and commercial places such as offices, schools, hospitals, pharmaceutical factories, sports arenas, entertainment facilities, shopping malls, restaurants and hotels, etc., as well as in the home because of its unique material, super performance, easy and fast installation, reasonable price and safety features.
  • The PVC flooring shall be prepared by using the following steps: 1) preparation of the intermediate substrate middle and back layer: mix PVC powder, plasticizer, the stabilizer and the filler according to the required order and proportion uniformly and roll to form PVC sheet; 2) Hot press: stick the wear layer, the print film, the middle layer and the back layer together by heating and pressurization after overlapping according to the required order; 3) coating and annealing: conduct UV treatment for the semi-finished product after hot press, making the PVC flooring more wearable, wherein the property of the semi-finished product after hot press is unstable, and the physical property after the heating treatment has excellent stability; 4) cutting: cut the PVC flooring into the product size required according to the order of the customer; and 5) beveling/profiling the click product: bevel/profile the click product according to the requirements of the customer and the appearance of PVC flooring will therefore be a resemblance of wood/stone flooring.
  • Plenty of plasticizer is required when preparing the in the calender process, however the plasticizer can permeate the PVC product because it is not tightly connected with the PVC product base. Research on animals indicated that the plasticizer might lead to a reduction in survival rate of the animal, weight loss, reduction of hepatorenal function, decrease of erythrocytes in the blood, possible mutation and cancer. Researchers also found after examining animals' embryotoxicity that the plasticizer might also cause some serious effects such as cleft palate, spinal deformity, cardiac deformation, defects of the eyes, malformation of fingers or toes, limb deformation, etc. of the animal fetus. The animal experiments conducted by the researchers indicated that this substance may affect the human hormonal system, especially in a growing adolescent; therefore, the European Union has listed it under harmful substances affecting reproduction. Moreover, the edge of the click product may be easily damaged during storage and transportation because the profile of click product is of poor strength.
    • SUMMARY OF THE INVENTION
  • The invention is designed to provide a rigid board plastic flooring and a production method of the flooring to offer a solution to the above-mentioned problems.
  • The technical solution offered is as follows:
  • The invention relates to a rigid board plastic flooring comprises a wear layer, a decoration layer, a first connecting layer and a bottom layer which are connected in the right order and stuck to each other by means of a hot press, wherein the bottom layer includes an extruded rigid board.
  • Preferably, the rigid board plastic flooring will comprise a further second connecting layer and a sound and shock-absorbing layer. The aforementioned second connecting layer and sound and shock-absorbing layer are arranged under the bottom layer in sequence.
  • Preferably, the first connecting layer and the second connecting layer are 0.01-0.5 mm thickness, and 5-300 g/m2 in terms of gram weight.
  • Preferably, the first connecting layer and said second connecting layer are prepared from the same material; a membrane or cloth which is non-adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C.
  • Preferably, the aforementioned first connecting layer and the second connecting layer are prepared from different materials, more specifically, the first connecting layer is prepared from a non-adhesive membrane or cloth at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C.; the second connecting layer is prepared from a double-component adhesive.
  • Preferably, the bottom layer is ideally a plastic rigid board, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.; the aforementioned sound and shock-absorbing layer is prepared from cork or foamed material of 0.1-5.0 mm thickness; the foamed material refers to a low-density foamed material.
  • Preferably, the aforementioned wear layer is prepared from transparent polymer material, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • Preferably, the decoration layer can be prepared from polymer materials, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • The invention also relates to a method of producing rigid board plastic flooring, wherein the bottom layer is moulded by way of the extruding process; a wear layer, a decoration layer, a first connecting layer and a bottom layer are subjected to hot press under a certain temperature and pressure;
      • a. Hot press: Overlap a back embossment board, the bottom layer, first connecting layer, decoration layer, wear layer and the embossment board in sequence and implement hot press under a certain temperature and pressure;
      • b. UV coating and annealing: Implement UV treatment to the surface of the semi-finished product after step a. The abrasion resistance is therefore increased, and the product has certain glossiness; then implement annealing to the product and cool it when the product is heated to a certain temperature. The product now has a nice physical property.
      • c. Cutting: Cut to create product sizes required according to the needs of the customer.
      • d. Trimming/beveling/profiling the click product: The appearance of the product will be a resemblance of wood/stone flooring by trimming/beveling/profiling the click product according to the requirements of the customer.
  • Preferably, said sound and shock-absorbing layer is connected to the bottom surface of the aforementioned bottom layer by using the second connecting layer after UV coating and annealing.
  • Preferably, the bottom layer will comprise PVC powder, a processing agent, internal lubricant, external lubricant, rare-earth stabilizer and calcium carbonate.
  • Preferably, the PVC powder, processing agent, internal lubricant, external lubricant, rare-earth stabilizer and calcium carbonate are 9.5-61.75%, 0-5.5%, 0.4-0.5%, 0.1-0.6%, 2.0-2.5% and 33.25-85.50% of the bottom layer respectively.
  • The product offers the following benefits:
  • The bottom layer of the flooring shall be prepared by using extrusion molding without adding plasticizer; therefore, the product is more environmentally friendly. The edge of the click product is not easily damaged during storage and transportation because the bottom layer includes a plastic hard board and the profile of click product has great strength.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The particular features and advantages of the invention as well as other objects will become apparent from the following description taken in connection with the accompanying drawing in which:
  • FIG. 1 is structure diagram 1 of rigid board plastic flooring.
  • FIG. 2 is structure diagram 2 of rigid board plastic flooring.
  • FIG. 3 is structure diagram of click profile.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • The following further explains the invention by combining the figures:
  • As shown in FIG. 1, the product comprises a wear layer 1, a decoration layer 2, a connecting layer 3 and a bottom layer 4, which are connected in sequence. The surface layer shall include a transparent wear layer of 0.1-1.0 mm thickness and can be prepared from transparent polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc. The second layer includes a decoration layer and this can be prepared from polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc. The third layer includes a connecting layer of 0.01-0.5 mm thickness and 5-300 g/m2 in terms of gram weight and can be prepared from the membrane or cloth which is not adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C. Moreover, the fourth layer shall include a bottom layer of 2.0-10.0 mm thickness made from polymer hard board such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc.
  • As shown in FIG. 2, the product comprises a wear layer 1, decoration layer 2, a first connecting layer 31, bottom layer 4, a second connecting layer 32 and a sound and shock-absorbing layer 5 which are connected in order. The surface layer includes a transparent wear layer of 0.1-1.0 mm thickness and can be prepared from transparent polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc. The second layer includes a decoration layer and can be prepared from polymer materials such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc. The third layer includes a first connecting layer of 0.01-0.5 mm thickness and 5-300 g/m2 in terms of gram weight and is prepared from membrane or cloth which is non-adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C. The fourth layer shall involve a bottom layer of 2.0-10.0 mm thickness and can be a polymer hard board, such as PP, PE, PVC, PET, ABS, PC, POM, PMMA, PS, PEEK, PTFE, PVDF, etc. The fifth layer involves a second connecting layer of 0.01-0.5 mm thickness and 5-300 g/m2 in terms of gram weight and can be prepared from material identical to that of the first connecting layer, that is, membrane or cloth which is not adhesive at room temperature and can stick the upper layer and the lower layer together when heated to 50-200° C. Otherwise, it can be different from that of the first connecting layer, that is, double-component glue, such as epoxy resin adhesive, polyurethane adhesive and acrylate adhesive. Moreover, the sixth layer shall include a sound and shock-absorbing layer, which can be cork or foamed material. The foamed material will be a low-foamed material, which can be PE foamed material, EVA foamed material, EPDM foamed material, PP foamed material, PVC foamed material, PU foamed material, SBR foamed material or NBR foamed material of 0.1-5.0 mm thickness.
  • The invention also relates to a method of producing rigid board plastic flooring, wherein the bottom layer is molded by using the extruding process; the wear layer, decoration layer, first connecting layer and bottom layer shall be subjected to hot press under a certain temperature and pressure; the bottom layer comprises the PVC powder, processing agent, internal lubricant, external lubricant, the rare-earth stabilizer and the calcium carbonate with percentages of 9.5-61.75%, 0-5.5%, 0.4-0.5%, 0.1-0.6%, 2.0-2.5% and 33.25-85.50% respectively.
  • 1) As for structure 1, the production method is as follows:
      • a. Hot press: Overlap a back embossment board, the bottom layer, the first connecting layer, the decoration layer, the wear layer and the embossment board in sequence and implement hot press under a certain temperature and pressure;
      • b. UV coating and annealing: Implement UV treatment to the surface of the semi-finished product which has already been stuck together, therefore increasing the abrasion resistance and the product then gains a certain glossiness. Then implement annealing to the product and cool it when the product has been heated to certain temperature, therefore the product has nice physical property.
      • c. Cutting: Cut to size as required according to the needs of the customer.
      • d. Trimming/beveling/profiling the click product (see FIG. 3): Make the appearance of the product to be a resemblance of wood/stone flooring by trimming/beveling/profiling the click product according to the requirements of the customer.
  • 2) As for structure 2, the production method is as follows:
      • a. Hot press: Overlap a back embossment board, the bottom layer, the first connecting layer, the decoration layer, the wear layer and the embossment board in the right order and implement hot press under a certain temperature and pressure;
      • b. UV coating and annealing: Implement UV treatment to the surface of the semi-finished product after step a, wherein the abrasion resistance is increased and the product has gained a certain glossiness. Then implement annealing to the product and cool it when the product is heated to certain temperature. The product therefore has a nice physical property.
      • c. Stick the sound and shock-absorbing layer to the bottom surface of the bottom layer by using the second connecting layer.
      • d. Cutting: Cut the product to size as required by the customer.
      • e. Trimming/beveling/profiling the click product (see FIG. 3): Make the appearance of the product to be a resemblance of wood/stone flooring by trimming/beveling/profiling the click product according to the requirements of the customer.
  • In conclusion, the bottom layer of the flooring product shall be prepared by using extrusion molding, without adding plasticizer. Therefore, the product is more environmentally friendly; the edge of the click product is not easily damaged during storage and transportation because the bottom layer includes a polymer hard board and the click product produced is strong.
  • The above-mentioned example is a better version of the product and does not limit the technical solution of the invention. Moreover, the technical solution which can be implemented on the basis of the above-mentioned description without creative additions shall be deemed as belonging to the protected scope of the utility model.

Claims (4)

We claim:
1. A method of producing rigid board plastic flooring, wherein the bottom layer is molded through the extruding process; a wear layer, a decoration layer, a first connecting layer and a bottom layer are subjected to hot press under a certain temperature and pressure;
a. Hot press: Overlap the back embossment board, the bottom layer, the first connecting layer, the decoration layer, the wear layer and the embossment board in sequence and implement hot press under a certain temperature and pressure;
b. UV coating and annealing: Apply UV treatment to the surface of the semi-finished product after step a, wherein the abrasion resistance is increased, and the product gains a glossy look. Annealing is then applied to the product and cool it when the product is heated to certain temperature. The product therefore has an appealing physical property.
c. Cutting: Cut to create products of the required sizes according to the needs of the customer.
d. Trimming/beveling/profiling the click product: Make the appearance of the product a resemblance of wood/stone flooring by trimming/beveling/profiling the click product according to the needs of the customer.
2. The method of producing rigid board plastic flooring according to claim 1, wherein the aforementioned sound and shock absorbing layer is connected with the bottom surface of the aforementioned bottom layer by using the second connecting layer after UV coating and annealing.
3. The method of producing rigid board plastic flooring according to claim 1, wherein the aforementioned bottom layer comprises PVC powder, a processing agent, internal lubricant, external lubricant, rare-earth stabilizer and calcium carbonate.
4. The method of producing rigid board plastic flooring according to claim 3, wherein the aforementioned PVC powder, processing agent, internal lubricant, external lubricant, rare-earth stabilizer and calcium carbonate are 9.5-61.75%, 0-5.5%, 0.4-0.5%, 0.1-0.6%, 2.0-2.5% and 33.25-85.50% of the bottom layer respectively.
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