Layered composite coiled material for raised floor and paving process thereof

Abstract

The invention discloses a layered composite coiled material for a raised floor and a paving process of the layered composite coiled material, belongs to the technical field of raised floors, and relates to a layered composite coiled material for a raised floor and a paving process of the layered composite coiled material for a raised floor, the coiled material composite floor is composed of a UV layer, a wear-resistant layer, a sol layer, a flocculent glass fiber layer, a base layer and a foaming layer, the UV layer is prepared from modified polyurethane acrylate, modified epoxy acrylate, a photoinitiator, silicon dioxide matting powder and polyethylene wax powder, the wear-resistant layer is prepared from PVC powder with the polymerization degree of 1000, DOTP, a calcium-zinc PVC stabilizer and epoxidized soybean oil, and the flocculent glass fiber layer is prepared from glass fibers and acrylic acid glue. The foaming layer comprises the following components: PVC paste resin with the polymerization degree of 1000, calcium carbonate powder, DOTP, a PVC stabilizer, an acrylic resin reinforcing agent and a foaming agent. The problems of edge warping and middle arching can be solved, the stability of the coiled material composite floor is improved, and the problem of high cost caused by using a carpet is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of raised floor, more particularly, to a layered composite roll for raised floor and a paving process thereof. BACKGROUND

[0002] The raised floor is also called network floor, which is paved in office, and wires, network cables and the like can be paved under the raised floor. The raised floor base has steel base, aluminum base, composite base, shaving board base (wood base), calcium sulfate base and the like, which has many advantages such as high mechanical strength, wear resistance, waterproof, strong decoration, good interchangeability and the like. However, because the raised floor is often not flat, the installation of paving materials will also cause certain problems.

[0003] At present, the most commonly used raised floor is LVT, i.e. PVC sheet stone plastic floor. However, the raised floor often has problems of edge lifting and middle arching. One of the common solutions is to use carpet instead of LVT. However, the carpet is high in cost and is not easy to clean.

[0004] Therefore, in view of the above, the existing structure is studied and improved, and a layered composite roll for raised floor and a paving process thereof are provided, so as to achieve the purpose of being more practical. SUMMARY

[0005] 1. Technical problem to be solved

[0006] In view of the problems in the prior art, the purpose of the present application is to provide a layered composite roll for raised floor and a paving process thereof, which can avoid the problems of edge lifting and middle arching, improve the stability of the composite roll floor, avoid the high cost caused by the use of carpet, and improve the appearance of the composite roll floor. The grid pattern of the raised floor is not obvious, and the appearance of the composite roll floor is improved.

[0007] 2. Technical scheme

[0008] In order to solve the above problems, the present application adopts the following technical scheme.

[0009] A layered composite roll for raised floor, the composite roll floor is composed of a UV layer, a wear-resistant layer, a sol layer, a flocculent glass fiber layer, a base layer and a foaming layer, the UV layer, the wear-resistant layer, the sol layer, the flocculent glass fiber layer, the base layer and the foaming layer are sequentially laminated;

[0010] The components of the UV layer include modified polyurethane acrylate, modified epoxy acrylate, photoinitiator, silica extinction powder and polyethylene wax powder.

[0011] The components of the wear-resistant layer include PVC powder with a polymerization degree of 1000, DOTP, calcium-zinc PVC stabilizer, and epoxy soybean oil;

[0012] The components of the flocculent glass fiber layer include glass fiber and acrylic glue.

[0013] The components of the foaming layer include PVC paste resin with a polymerization degree of 1000, calcium carbonate powder, DOTP, PVC stabilizer, acrylic resin reinforcing agent, and foaming agent.

[0014] Further, the mass percentage of each component of the UV layer is as follows:

[0015] Modified polyurethane acrylate 75% to 85%

[0016] Modified epoxy acrylate 10% to 20%

[0017] Photoinitiator 2% to 5%

[0018] Silica matting powder 2% to 3%

[0019] Polyethylene wax powder 0.5% to 2%

[0020] The total mass percentage of the modified polyurethane acrylate, modified epoxy acrylate, photoinitiator, silica matting powder, and polyethylene wax powder is 100%, and the modified polyurethane acrylate is a difunctional aliphatic polyurethane acrylate.

[0021] Further, the surface gloss of the UV layer under the condition of 60° Gardner incident light is ≤3°.

[0022] The viscosity of the UV layer at room temperature is 300 to 800 cps.

[0023] Further, the mass percentage of each component of the wear-resistant layer is as follows:

[0024] PVC powder with a polymerization degree of 1000 60% to 80%

[0025] DOTP 20% to 30%

[0026] Calcium-zinc PVC stabilizer 2% to 4%

[0027] Epoxy soybean oil 1% to 3%

[0028] The total mass percentage of the PVC powder with a polymerization degree of 1000, DOTP, calcium-zinc PVC stabilizer, and epoxy soybean oil is 100%.

[0029] Further, the thickness of the wear-resistant layer is 0.55 mm, and the wear-resistant layer is formed by PVC powder with a polymerization degree of 1000.

[0030] Further, the mass percentage of each component of the flocculent glass fiber layer is:

[0031] Glass fiber 65% ~ 75%

[0032] Acrylic glue 25% ~ 35%

[0033] The total mass percentage of glass fiber and acrylic glue is 100%.

[0034] Further, the glass fiber exists in the form of glass fiber filaments, the diameter of the glass fiber filaments is 5 ~ 15 um, and the length is 6 ~ 20 mm.

[0035] Further, the mass percentage of each component of the foaming layer is:

[0036] Polymerization degree 1000 PVC paste resin 30% ~ 40%

[0037] Calcium carbonate powder 20% ~ 40%

[0038] DOTP 20% ~ 25%

[0039] PVC stabilizer 0.5%

[0040] Acrylic resin reinforcing agent 0.5% ~ 1%

[0041] Foaming agent 0.5%

[0042] The total mass percentage of polymerization degree 1000 PVC paste resin, calcium carbonate powder, DOTP, PVC stabilizer, acrylic resin reinforcing agent and foaming agent is 100%, and the foaming agent is azodicarbonamide.

[0043] Further, the thickness of the foaming layer is 3.5 mm.

[0044] A laying process of a layered composite coiled material for raised floor, the materials used in the laying process include: interface agent, network raised self-leveling, raised screw protection pad, caulking agent PVC welding line, cotton mesh grid double-sided adhesive tape;

[0045] The specific implementation steps of the laying process are as follows:

[0046] Step one, use the raised screw protection pad to paste on the raised floor, and use the screw to fix and protect;

[0047] Step two, use the self-adhesive mesh tape on the raised floor to paste on the interplate joint of the raised base plate;

[0048] Step three, use the caulking agent to fill the gap between the plates;

[0049] Step four, if the surface flatness of the elevated substrate is still relatively poor, the surface is coated with a network of elevated self-leveling, and placed for 2-3 days;

[0050] Step five, grind the floor, then pre-pave 5mm of coiled composite floor as elevated floor, and position;

[0051] Step six, install the cotton line grid double-sided tape at the edge position of the positioned elevated floor, and then install the floor;

[0052] Step seven, use PVC welding line to weld the joints between 5mm elevated floors, and complete the paving.

[0053] 3. Beneficial effects

[0054] Compared with the prior art, the advantages of the present application are:

[0055] ① The coiled composite floor is composed of a UV layer, a wear-resistant layer, a sol layer, a flocculent glass fiber layer, a base layer and a foaming layer. The 5mm coiled floor with foaming bottom can avoid edge lifting and middle arching. The flocculent glass fiber is added to the floor to improve the stability of the coiled composite floor, and the problem of high cost caused by using carpet is avoided.

[0056] ② Before paving the coiled composite floor, the substrate of the elevated floor is pretreated, including filling agent, self-adhesive grid tape and self-leveling, so that the flatness of the substrate is effectively improved. The high-adhesion double-sided tape with cotton line grid is used for installation, which is convenient for subsequent line maintenance, and makes up for the disadvantage of difficult cleaning of the floor. The welding line is used to connect the joints of the 5mm coiled floor, which fills the joints and improves the appearance of the coiled composite floor. BRIEF DESCRIPTION OF DRAWINGS

[0057] Figure 1 It is a structural schematic diagram of a conventional floor in the present application;

[0058] Figure 2 It is a structural schematic diagram of a coiled composite floor in the present application;

[0059] Figure 3 It is a flowchart of a paving process of a layered composite coiled material for an elevated floor in the present application. DETAILED DESCRIPTION

[0060] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative efforts on the basis of the embodiments in the present application shall fall within the scope of the present application.

[0061] Embodiment 1:

[0062] Please refer to Figure 1 - Figure 2 A layered composite roll for raised floor, the roll composite floor is composed of UV layer, wear-resistant layer, sol layer, flocculent glass fiber layer, base layer, foaming layer, the UV layer, wear-resistant layer, sol layer, flocculent glass fiber layer, base layer, foaming layer are overlapped in turn.

[0063] Figure 1 In the formula, A is the UV layer, B is the wear-resistant layer, C is the sol layer, D is the flocculent glass fiber layer, E is the base layer, and F is the foaming layer.

[0064] The components of the UV layer include modified polyurethane acrylate, modified epoxy acrylate, photoinitiator, silica matting powder and polyethylene wax powder.

[0065] The components of the wear-resistant layer include PVC powder with a polymerization degree of 1000, DOTP, calcium-zinc PVC stabilizer and epoxy soybean oil.

[0066] The components of the flocculent glass fiber layer include glass fiber and acrylic glue.

[0067] The components of the foaming layer include PVC paste resin with a polymerization degree of 1000, calcium carbonate powder, DOTP, PVC stabilizer, acrylic resin reinforcing agent and foaming agent.

[0068] Please refer to Figure 2 Specifically, the mass percentage of each component of the UV layer is as follows:

[0069] Modified polyurethane acrylate 75% to 85%

[0070] Modified epoxy acrylate 10% to 20%

[0071] Photoinitiator 2% to 5%

[0072] Silica matting powder 2% to 3%

[0073] Polyethylene wax powder 0.5% to 2%

[0074] The total mass percentage of the modified polyurethane acrylate, the modified epoxy acrylate, the photoinitiator, the silica matting powder and the polyethylene wax powder is 100%, and the modified polyurethane acrylate resin is a difunctional aliphatic polyurethane acrylate.

[0075] The modified polyurethane acrylate resin is obtained by block polymerization of 2-3 kinds of resin monomers, and the irregular distribution of the long molecular chain makes the gloss effectively reduced.

[0076] Referring to Figure 1 , Figure 2 , specifically, the surface gloss of the UV layer is ≤3° under the condition of 60° Gardner incident light.

[0077] The UV layer can well modify the slight unevenness of the elevated floor surface.

[0078] The viscosity of the UV layer at room temperature is 300-800 cps.

[0079] The low viscosity of the UV layer avoids excessive adhesion of the UV layer to the parts in contact with it.

[0080] In order to reduce the gloss, a large amount of silica matting powder with a gloss >10% is added to the formula of the traditional UV paint, which will increase the viscosity of the UV paint solution and is not conducive to the production and coating use. The surface gloss of the light-cured coating surface made by the conventional matting powder formula is the lowest, which is 4° under the condition of 60° Gardner incident light.

[0081] In contrast, the UV layer has lower surface gloss and lower viscosity, which ultimately increases the use performance of the roll composite floor as an elevated floor.

[0082] Referring to Figure 2 , specifically, the mass percentage of each component of the wear-resistant layer is:

[0083] PVC powder with a polymerization degree of 1000 60%-80%

[0084] DOTP 20%-30%

[0085] Calcium-zinc PVC stabilizer 2%-4%

[0086] Epoxy soybean oil 1%-3%

[0087] The total mass percentage of the PVC powder with a polymerization degree of 1000, the DOTP, the calcium-zinc PVC stabilizer and the epoxy soybean oil is 100%.

[0088] Referring to Figure 2Specifically, the wear-resistant layer has a thickness of 0.55 mm, and the high-transparency PVC layer is formed by using PVC powder with a polymerization degree of 1000.

[0089] The wear-resistant layer can well show the printed pattern under the wear-resistant layer, and the wear-resistant layer has good wear resistance, and reaches the highest grade T in the test method of EN660.

[0090] Referring to Figure 2 Specifically, the mass percentage of each component of the flocculent glass fiber layer is as follows:

[0091] Glass fiber 65% to 75%

[0092] Acrylic glue 25% to 35%

[0093] The total mass percentage of the glass fiber and the acrylic glue is 100%.

[0094] The adhesive of the glass fiber is a customized acrylic glue, which is different from the traditional urea-formaldehyde glue, so that the glass fiber is more environmentally friendly, and does not contain formaldehyde, acetaldehyde and other aldehyde substances.

[0095] Referring to Figure 1 , Figure 2 Specifically, the glass fiber exists in the form of glass fiber filaments, the diameter of the glass fiber filaments is 5 to 15 um, and the length is 6 to 20 mm.

[0096] The glass fiber filaments are relatively light and soft, and can well meet various performance requirements of the product.

[0097] The sol layer, the flocculent glass fiber layer and the base layer jointly act to make the floor have good stiffness and compression resistance. Meanwhile, the flocculent glass fiber is a special glass fiber felt customized and developed, which has very good adhesion with the PVC sol, and provides very good dimensional stability to the product.

[0098] Generally, the LVT (PVC sheet stone plastic floor) laid on the upper surface of the raised floor is warped and arched at the edge due to the unevenness of the raised floor, and the LVT is prone to thermal expansion and cold contraction due to the absence of flocculent glass fiber, which can cause the gap between the sheets to increase.

[0099] The present application uses 5mm coiled material floor with foamed bottom, and adds flocculent glass fiber in the floor, so that the dimensional stability is very good, which is much better than that of LVT (stone plastic floor).

[0100] The table is as follows:

[0101]

[0102] The table is a comparison of the dimensional stability of 5mm coiled material floor and LVT, and it can be seen that the dimensional change of the 5mm coiled material floor is much smaller than that of the LVT.

[0103] Referring to Figure 2 , specifically, the mass percentage of each component of the foaming layer is:

[0104] Polymerization degree 1000 PVC paste resin 30%~40%

[0105] Calcium carbonate powder 20%~40%

[0106] DOTP 20%~25%

[0107] PVC stabilizer 0.5%

[0108] Acrylic resin reinforcing agent 0.5%~1%

[0109] Foaming agent 0.5%

[0110] Among them, the total mass percentage of polymerization degree 1000 PVC paste resin, calcium carbonate powder, DOTP, PVC stabilizer, acrylic resin reinforcing agent and foaming agent is 100%, and the foaming agent is azodicarbonamide.

[0111] Referring to Figure 2 , specifically, the thickness of the foaming layer is 3.5mm.

[0112] This foaming layer can well smooth the joint marks between the elevated plates, so that the grid marks of the elevated plates are lightened, and the foaming layer reaches 17dB under the test method of ISO10140-3-2010, providing good shock absorption, buffering and quiet effect.

[0113] Example 2:

[0114] Based on the above example 1, further description is made.

[0115] Referring to Figure 3 , a laying process of a layered composite roll material for elevated floor, the materials used in the laying process include: interface agent, network elevated self-leveling, elevated screw protection pad, jointing agent or silicone sealant, matching color PVC welding line, high adhesion double-sided adhesive tape with cotton mesh.

[0116] The specific implementation steps of the laying process are as follows:

[0117] Step one, use the elevated screw protection pad to paste on the elevated floor, and use the screw to fix and protect.

[0118] Step two, use the self-adhesive mesh tape on the elevated floor to paste on the inter-plate joint of the elevated base plate.

[0119] Step three, use the jointing agent to fill the gap between the plates.

[0120] Step four, if the surface flatness of the elevated base plate is still relatively poor, the surface is coated with a network of high-elevation self-leveling, and placed for 2-3 days.

[0121] Step five, grinding the floor, then pre-laying 5mm roll composite floor as elevated floor, and positioning.

[0122] Step six, installing high-adhesion cotton line grid double-sided adhesive tape at the edge position of the positioned elevated floor, and then installing the floor, so as to facilitate the subsequent line maintenance.

[0123] Step seven, welding the joints between the 5mm elevated floors with PVC welding wire, which can effectively fill the joints and improve the aesthetics, and complete the paving.

[0124] The above description is only the preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes within the technical range disclosed by the present application according to the technical solution and the improvement concept of the present application, which should be covered in the protection scope of the present application.

Claims

1. A layered composite roll material for raised floors, characterized in that: The roll composite flooring consists of a UV layer, a wear-resistant layer, a sol layer, a flocculent fiberglass layer, a base layer, and a foam layer, which are stacked sequentially. The UV layer comprises modified polyurethane acrylate, modified epoxy acrylate, photoinitiator, silica matting agent, and polyethylene wax powder. The wear-resistant layer comprises PVC powder with a polymerization degree of 1000, DOTP, calcium-zinc PVC stabilizer, and epoxidized soybean oil. The components of the flocculent glass fiber layer include glass fiber and acrylic adhesive; The components of the foam layer include PVC paste resin with a degree of polymerization of 1000, calcium carbonate powder, DOTP, PVC stabilizer, acrylic resin reinforcing agent, and foaming agent.

2. The layered composite roll material for raised floors according to claim 1, characterized in that: The mass percentage of each component in the UV layer is: Modified polyurethane acrylate 75%–85% Modified epoxy acrylate 10%–20% Photoinitiator 2%–5% 2%–3% silica matting agent Polyethylene wax powder 0.5%–2% The total mass percentage of modified polyurethane acrylate, modified epoxy acrylate, photoinitiator, silica matting agent, and polyethylene wax powder is 100%, and the modified polyurethane acrylate resin is a difunctional aliphatic polyurethane acrylate.

3. The layered composite roll material for raised floors according to claim 1, characterized in that: The UV layer has a surface gloss of ≤3° under 60° Gardner incident light conditions; The viscosity of the UV layer at room temperature is 300–800 cps.

4. The layered composite roll material for raised floors according to claim 1, characterized in that: The mass percentage of each component in the wear-resistant layer is: 60%–80% of PVC powder has a degree of polymerization of 1000. DOTP 20%~30% Calcium-zinc PVC stabilizer 2%–4% Epoxidized soybean oil 1%–3% The total mass percentage of PVC powder with a degree of polymerization of 1000, DOTP, calcium-zinc PVC stabilizer, and epoxidized soybean oil is 100%.

5. The layered composite roll material for raised floors according to claim 1, characterized in that: The wear-resistant layer has a thickness of 0.55 mm and is a PVC layer formed from PVC powder with a polymerization degree of 1000.

6. The layered composite roll material for raised floors according to claim 1, characterized in that: The mass percentage of each component in the flocculent glass fiber layer is as follows: 65%–75% glass fiber Acrylic adhesive 25%–35% The total mass percentage of glass fiber and acrylic adhesive is 100%.

7. The layered composite roll material for raised floors according to claim 1, characterized in that: The glass fiber exists in the form of glass fiber filaments, with a diameter of 5-15 μm and a length of 6-20 mm.

8. A layered composite roll material for raised floors according to claim 1, characterized in that: The mass percentage of each component in the foam layer is as follows: PVC paste resin with a degree of polymerization of 1000: 30%–40% Calcium carbonate powder 20%–40% DOTP 20%~25% PVC stabilizer 0.5% Acrylic resin reinforcing agent 0.5%–1% 0.5% foaming agent The total mass percentage of PVC paste resin with a degree of polymerization of 1000, calcium carbonate powder, DOTP, PVC stabilizer, acrylic resin reinforcing agent, and foaming agent is 100%, and the foaming agent is azodicarbonamide.

9. A layered composite roll material for raised floors according to claim 1, characterized in that: The thickness of the foam layer is 3.5 mm.

10. A process for laying a layered composite roll material for raised floors according to any one or more of claims 1 to 9, characterized in that: The materials used in the paving process include: interface agent, self-leveling network, protective pads for overhead screws, PVC welding wire for sealant, and double-sided tape with cotton mesh. The specific implementation steps of the paving process are as follows: Step 1: Apply protective pads to the raised floor and secure them with screws for protection. Step 2: Apply self-adhesive mesh tape to the seams between the panels of the elevated base plate on the elevated ground surface; Step 3: Fill the gaps between the panels with grout; Step 4: If the surface flatness of the raised substrate is still relatively poor, apply a self-leveling network coating to the surface and let it sit for 2-3 days. Step 5: Grind the ground smooth, then pre-lay 5mm roll composite flooring as raised floor and position it. Step 6: After positioning the raised floor, install double-sided tape with cotton mesh at the edge, and then install the floor. Step 7: Weld the 5mm raised floor joints with PVC welding wire to complete the installation.

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