CN114953668A - PVC micro-foaming sepiolite plastic floor and manufacturing method thereof - Google Patents
PVC micro-foaming sepiolite plastic floor and manufacturing method thereof Download PDFInfo
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- CN114953668A CN114953668A CN202210536885.1A CN202210536885A CN114953668A CN 114953668 A CN114953668 A CN 114953668A CN 202210536885 A CN202210536885 A CN 202210536885A CN 114953668 A CN114953668 A CN 114953668A
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- sepiolite
- plastic floor
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- 239000004033 plastic Substances 0.000 title claims abstract description 77
- 229920003023 plastic Polymers 0.000 title claims abstract description 77
- 238000005187 foaming Methods 0.000 title claims abstract description 55
- 239000004113 Sepiolite Substances 0.000 title claims abstract description 32
- 229910052624 sepiolite Inorganic materials 0.000 title claims abstract description 32
- 235000019355 sepiolite Nutrition 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000007639 printing Methods 0.000 claims abstract description 16
- 239000004575 stone Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 239000011247 coating layer Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 21
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 14
- 239000004088 foaming agent Substances 0.000 claims description 14
- 238000004049 embossing Methods 0.000 claims description 13
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 239000011812 mixed powder Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 6
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 6
- 150000008301 phosphite esters Chemical class 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000004605 External Lubricant Substances 0.000 claims description 5
- 239000004610 Internal Lubricant Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000009408 flooring Methods 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 238000007761 roller coating Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 238000007646 gravure printing Methods 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 239000011527 polyurethane coating Substances 0.000 claims description 2
- 239000012748 slip agent Substances 0.000 claims 2
- 239000006260 foam Substances 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 240000008564 Boehmeria nivea Species 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B5/18—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 features of a layer of foamed material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
- E04F15/206—Layered panels for sound insulation
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0235—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
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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
- B32B2471/00—Floor coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The application discloses PVC micro-foaming sepiolite plastic floor and a manufacturing method thereof, wherein the bottom floor comprises: the coating layer, the PVC wear-resistant layer, the PVC printing layer and the PVC micro-sepiolite plastic substrate are sequentially arranged from one side to the other side. A manufacturing method of a PVC micro-foaming stone-plastic floor comprises the following steps: preparing a PVC wear-resistant layer; preparing a PVC micro-foaming stone-plastic substrate; preheating the PVC wear-resistant layer and the PVC printing layerThen the PVC micro-foaming stone plastic substrate is attached; coating the attached product; and (5) performing slotting molding treatment to obtain the PVC micro-foamed stone-plastic floor. The specific gravity of the PVC micro-foaming sepiolite plastic floor manufactured by the method is less than or equal to 1.75g/cm 3 The indexes of the wheelchair that the dimensional stability at 80 ℃ is less than or equal to 0.25 percent, the warpage at 80 ℃ is less than or equal to 2mm, the residual concavity is less than or equal to 0.1mm, the wear resistance of the wheelchair is 25000r, the surface has no layering and the like all meet the relevant industrial standards, and the wheelchair has good market application prospect.
Description
Technical Field
The application belongs to the technical field of floors, and particularly relates to a PVC micro-foaming stone-plastic floor and a manufacturing method thereof.
Background
In recent years, with the large-scale application of stone plastic floor products on the market, people are increasingly demanding on the functionality of stone plastic floors, wherein, the conventional stone plastic floors have brought great puzzlement for the transportation and the pavement of product because of the problem of self weight, and the conventional stone plastic floors are hard in texture in addition, and the feel comfort level is poor, and the room is inside and the effect of giving sound insulation between the upper and lower interlayer is poor. The micro-foaming sepiolite plastic floor well solves the problems faced by the conventional stone plastic floor.
Disclosure of Invention
Aiming at the defects or shortcomings of the prior art, the technical problem to be solved by the application is to provide the PVC micro-foaming stone-plastic floor and the manufacturing method.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides a floor is moulded to PVC hair sepiolite a little, includes: the coating layer, the PVC wear-resistant layer, the PVC printing layer and the PVC micro-sepiolite plastic substrate are sequentially arranged from one side to the other side.
Optionally, the PVC micro-foaming sepiolite plastic floor comprises the following components in percentage by mass: 70-80% of PVC resin, 20-25% of plasticizer, 1-3% of powder calcium zinc stabilizer, 0.1-0.2% of phosphite ester, 0.1-0.3% of ultraviolet absorbent and 400.5-1% of PA-100%, wherein the sum of the components is 100%.
Optionally, the PVC micro-foamed sepiolite plastic floor comprises the following components in percentage by mass: 20-25% of PVC resin, 60-75% of calcium carbonate, 2-3% of powder calcium zinc stabilizer, 0.2-1.0% of external lubricant, 0.2-1.0% of internal lubricant, 4.0-7.0% of foaming regulator, 0.4-1.0% of foaming agent, 0.2-1.0% of high-density oxidized polyethylene wax and 0.05-1.5% of pigment, wherein the sum of the components is 100%.
Optionally, the above-mentioned PVC micro-foamed sepiolite plastic floor, wherein the PVC resin is a PVC resin with a polymerization degree of 800 or a polymerization degree of 1000 or a mixture of both.
Optionally, the PVC micro-foaming sepiolite plastic floor is prepared by mixing one or more of calcium carbonate of 250-600 meshes.
Optionally, the above PVC micro-sepiolite plastic floor, wherein the foaming regulator is a copolymer of methyl methacrylate and acrylate, or a blend of polymethyl methacrylate and acrylate.
Optionally, the above-mentioned PVC micro-foamed sepiolite plastic floor, wherein the foaming agent is one or a mixture of two of a yellow foaming agent (organic AC foaming agent) and a white foaming agent (sodium bicarbonate).
Optionally, the above PVC micro-sepiolite plastic floor, wherein the external lubricant is polyethylene wax, and/or the internal lubricant is stearic acid.
Optionally, the above-mentioned PVC micro-foaming sepiolite plastic floor, wherein the PVC printing layer is a hard PVC gravure printing film.
Optionally, the above PVC micro-sepiolite plastic floor, wherein the coating is a UV curable coating or an aqueous polyurethane coating.
The application also provides a manufacturing method of the PVC micro-foaming stone-plastic floor, which comprises the following steps:
preparing a PVC wear-resistant layer;
preparing a PVC micro-foaming stone-plastic substrate;
preheating the PVC wear-resistant layer and the PVC printing layer and then attaching the PVC wear-resistant layer and the PVC printing layer to the PVC micro-foaming stone-plastic substrate;
coating the attached product;
and (5) performing slotting molding treatment to obtain the PVC micro-foaming stone-plastic floor.
Optionally, the manufacturing method of the PVC micro-foamed stone-plastic floor includes:
putting 70-80% of PVC resin and 20-25% of plasticizer into a high-speed stirrer, and stirring to complete oil absorption to obtain dry powder; then mixing and blanking 1-3% of powder calcium-zinc stabilizer, 0.1-0.2% of phosphite ester, 0.1-0.3% of ultraviolet absorbent and 0.5-1% of PA-400.5 at a low temperature, preferably, the mixing temperature reaches 120 ℃, rotating at a low speed and blanking; transferring the mixed powder consisting of the dry powder and the fed materials to a cooling stirrer, wherein the stirring temperature is 40-50 ℃;
plasticizing the cooled mixed powder; specifically, conveying the cooled mixed powder to a core extruder, wherein the discharge temperature is 170-190 ℃, completing first-stage plasticization, and then conveying the mixed powder to a rolling wheel machine for further plasticization and material storage; setting the thickness of the steel plate to be about 10mm in a rolling mill, and setting the temperature to be 160-170 ℃;
filtering the plasticized material; specifically, the material is led into a filter, and two 100-mesh and 2-mesh 60-mesh steel wire filter screens are adopted as filter screens, so that plasticizing, heat preservation and impurity filtration are completed;
performing thickness setting and forming treatment; specifically, the cylindrical material is conveyed to a calender (4 rollers or 5 rollers or 6 rollers) for thickness setting and forming;
embossing; specifically, the film discharged by the calender is sent to an embossing wheel to form rough ramie embossing with the depth of 0.10-0.20 mm and a 320-mesh or 600-mesh liquid silica gel roller below;
cooling; specifically, cooling and shaping the material;
rolling; and winding the cooled film on a paper tube to obtain a coil stock.
Optionally, the preparation method of the PVC micro-foamed stone plastic floor, wherein the preparation of the PVC micro-foamed sepiolite plastic base material comprises:
uniformly stirring 20-25% of PVC resin, 60-75% of calcium carbonate, 1.5-2.5% of powder calcium zinc stabilizer, 2.0-3.0% of external lubricant, 2.0-3.0% of internal lubricant, 3.5-6.0% of foaming regulator, 0.4-1.0% of foaming agent, 0.1-1.0% of high-density oxidized polyethylene wax and 0.05-1.5% of pigment, and blanking to a middle barrel for storage; specifically, the raw materials are put into a high-speed stirrer, the stirring temperature is 120 ℃, the stirring is stopped, and the materials are discharged to a middle barrel to be stored;
adding the mixture into an extruder for extrusion treatment;
performing fixed-thickness molding treatment to obtain a PVC micro-foaming stone-plastic substrate; specifically, the thickness of the plate discharged from the die head is determined by adopting double steel rollers, so that the PVC micro-foaming stone-plastic substrate is obtained.
Optionally, the method for manufacturing the PVC micro-foamed stone plastic floor, wherein the step of adding the mixture into an extruder for extrusion processing includes: adding the mixture into a feeding port of an extruder; wherein the temperature is set as: 200-220 ℃ in a machine barrel 1 area, 200-220 ℃ in a machine barrel 2 area, 200-220 ℃ in a machine barrel 3 area, 200-220 ℃ in a machine barrel 4 area, 180-200 ℃ in a machine barrel 5 area, 180-200 ℃ in a machine barrel 6 area, and 170-190 ℃ of a confluence core; wherein, the extruder adopts a counter-rotating cone double-screw design; the inner diameter of the confluence core is 70-90 mm;
the die head adopts a T-shaped die head, and the temperature is set as follows: the temperature of the 1 region is 210-220 ℃, the temperature of the 2 region is 190-200 ℃, the temperature of the 3 region is 190-200 ℃, the temperature of the 4 region is 200-210 ℃, and the temperature of the 5 region is 210-220 ℃.
In the laminating step, the tightness of the PVC transparent film and the PVC printing layer is controlled by the material placing device respectively, then the PVC transparent film and the PVC printing layer enter the preheating roller to be finally pre-laminated with the substrate, and the pre-laminated product enters the embossing roller after being subjected to infrared heating to finish lamination.
Optionally, the method for manufacturing the PVC micro-foamed stone plastic floor includes, in the cooling step: curing the hot-press formed product, and then coating the product in a roller coating or spraying manner; and then curing the coating by a high temperature or UV lamp to obtain the coating.
And in the grooving forming step, the product obtained by cooling is sliced to obtain the required width, and then grooving treatment is carried out to obtain the PVC micro-foamed stone-plastic floor.
Compared with the prior art, the method has the following technical effects:
this applicationThe specific gravity of the prepared PVC micro-foaming sepiolite plastic floor is less than or equal to 1.75g/cm 3 The indexes of the wheelchair such as 80 ℃ dimensional stability of less than or equal to 0.25 percent, 80 ℃ warping of less than or equal to 2mm, residual concavity of less than or equal to 0.1mm, wear resistance of the wheelchair to 25000r and no layering on the surface meet the relevant industrial standards, and the wheelchair has good market application prospect.
The micro-foaming stone plastic floor also has the following advantages: excellent foot feeling comfort level; excellent sound insulation effect; the floor is light, so that the transportation cost and the paving labor cost are effectively reduced; excellent dimensional stability and other physical properties; effectively reduces the weight of raw materials in unit volume, reduces the waste of resources and effectively reduces the carbon emission.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1:
the method comprises the following steps: and (4) preparing a PVC wear-resistant layer.
Mixing: 73.88% of PVC resin and 23.65% of plasticizer are put into a high-speed stirrer, the stirring temperature is 60-100 ℃, oil absorption is completed, and dry powder is obtained; then 1.48 percent of powder calcium zinc stabilizer, 0.15 percent of phosphite ester, 0.10 percent of ultraviolet absorbent and PA-400.74 percent are mixed at the temperature of 120 ℃ and are rotated at low speed, and the materials are discharged. And transferring the mixed powder to a cooling stirrer, wherein the stirring temperature is 40-50 ℃.
Plasticizing: and (3) conveying the cooled mixed powder to a core extruder, wherein the discharging temperature is 170-190 ℃, and completing first-stage plasticizing. Then the mixture is conveyed to a rolling wheel machine for further plasticizing and material storage. The thickness is set to be about 10mm in a rolling mill, and the temperature is set to be 160-170 ℃.
And (3) filtering: the materials are led into a filter, and two 100-mesh and 2-mesh 60-mesh steel wire filter screens are adopted as filter screens, so that the plasticizing, heat preservation and impurity filtration are completed.
Molding: the cylindrical material is conveyed to a calender (4 rollers, 5 rollers or 6 rollers) for thickness setting and forming.
Embossing: and (3) conveying the film discharged by the calender to an embossing wheel to form rough ramie embossing with the depth of 0.01-0.02 mm and a 320-mesh or 600-mesh liquid silica gel roller below.
And (3) cooling: and (5) cooling and shaping the material.
Winding: and winding the cooled film on a paper tube to obtain a coil stock.
Step two: and (3) preparing the PVC micro-foaming stone-plastic substrate.
Mixing: PVC resin (SG-5) 21.64%, 325 mesh calcium carbonate: 46.17 percent, 23 percent of 600-mesh calcium carbonate, 2.2 percent of powder calcium zinc stabilizer, 0.39 percent of PE wax, 18010.35 percent of stearic acid, 5.2 percent of foaming regulator, 0.61 percent of yellow foaming agent, 0.35 percent of high-density oxidized polyethylene wax and 0.09 percent of carbon black. Putting into a high-speed stirrer, stopping stirring when the stirring temperature reaches 120 ℃, and discharging to a middle barrel for storage.
Adding the mixture into a feeding port of an extruder, wherein the extruder adopts a counter-rotating cone double-screw design. Temperature setting: 200-220 ℃ in a cylinder 1 zone, 200-220 ℃ in a cylinder 2 zone, 200-220 ℃ in a cylinder 3 zone, 200-220 ℃ in a cylinder 4 zone, 180-200 ℃ in a cylinder 5 zone, 180-200 ℃ in a cylinder 6 zone, and 170-190 ℃ in a confluence core. The inner diameter of the confluence core is 70-90 mm.
The die head adopts a T-shaped die head, and the temperature is set as follows: the temperature of the 1 region is 210-220 ℃, the temperature of the 2 region is 190-200 ℃, the temperature of the 3 region is 190-200 ℃, the temperature of the 4 region is 200-210 ℃, and the temperature of the 5 region is 210-220 ℃.
And (3) adopting double steel rollers to fix the thickness of the plate discharged from the die head to obtain the PVC micro-foaming stone-plastic substrate.
The sequence of the first step and the second step can be adjusted according to actual needs, and the above is only an example.
Step three: and (6) attaching.
And respectively controlling the tightness of the PVC transparent film and the PVC printing layer through a discharging device, then feeding the PVC transparent film and the PVC printing layer into a preheating roller, and finally completing pre-lamination with the PVC micro-foaming stone-plastic substrate. And (4) carrying out infrared heating on the pre-laminated product, and then entering an embossing roller to finish the lamination.
Step four: and (4) coating.
Curing the hot-press formed product, and then coating in a roller coating or spraying manner. And then curing the coating by a high temperature or UV lamp to obtain the coating.
Step five: and (5) slotting and forming.
Slicing the product obtained in the step four to obtain the required width; then grooving is carried out.
The physical property test of the PVC micro-foamed stone plastic flooring of example 1 obtained as described above is shown in Table 1.
Table 1 physical property test table for PVC micro-foaming sepiolite plastic floor in this embodiment
All indexes of the PVC micro-foaming stone-plastic floor in the embodiment 1 meet or even meet the relevant standards in the industry, and the PVC micro-foaming stone-plastic floor has certain market application prospect.
Example 2
The method comprises the following steps: and (3) preparing the PVC transparent material.
Mixing: 73.88% of PVC resin and 23.65% of plasticizer are put into a high-speed stirrer, the stirring temperature is 60-100 ℃, and oil absorption is completed to obtain dry powder; then 1.48 percent of powder calcium zinc stabilizer, 0.15 percent of phosphite ester, 0.10 percent of ultraviolet absorbent and PA-400.74 percent are mixed at the temperature of 120 ℃ and are rotated at low speed, and the materials are discharged. And transferring the mixed powder to a cooling stirrer, wherein the stirring temperature is 40-50 ℃.
Plasticizing: and (3) conveying the cooled mixed powder to a core extruder, wherein the discharging temperature is 170-190 ℃, and completing first-stage plasticizing. Then the mixture is conveyed to a rolling wheel machine for further plasticizing and material storage. The thickness is set to be about 10mm in a rolling mill, and the temperature is set to be 160-170 ℃.
And (3) filtering: the materials are led into a filter, and two 100-mesh and 2-mesh 60-mesh steel wire filter screens are adopted as filter screens, so that the plasticizing, heat preservation and impurity filtration are completed.
Molding: the cylindrical material is conveyed to a calender (4 rollers, 5 rollers or 6 rollers) for thickness setting and forming.
Embossing: and (3) conveying the film discharged by the calender to an embossing wheel to form rough ramie embossing with the depth of 0.01-0.02 mm, and a 320-mesh or 600-mesh liquid silica gel roller below.
And (3) cooling: and (5) cooling and shaping the material.
Rolling: and winding the cooled film on a paper tube to obtain a coil stock.
Step two: and (3) preparing the PVC micro-foaming stone-plastic substrate.
Mixing: 21.45% of PVC resin (SG-5), 68.64% of 325-mesh calcium carbonate, 2.15% of powder calcium-zinc stabilizer, 0.43% of PE wax, 18010.39% of stearic acid, 5.15% of foaming regulator, 0.80% of yellow foaming agent, 0.39% of white foaming agent, 0.51% of high-density oxidized polyethylene wax and 0.09% of carbon black are put into a high-speed stirrer, the stirring is stopped when the stirring temperature reaches 120 ℃, and the mixture is discharged to a middle barrel to be reserved.
Adding the mixture into a feeding port of an extruder, wherein the extruder adopts a counter-rotating cone double-screw design. Temperature setting: 200-220 ℃ in a cylinder 1 zone, 200-220 ℃ in a cylinder 2 zone, 200-220 ℃ in a cylinder 3 zone, 200-220 ℃ in a cylinder 4 zone, 180-200 ℃ in a cylinder 5 zone, 180-200 ℃ in a cylinder 6 zone, and 170-190 ℃ in a confluence core. The inner diameter of the confluence core is 70-90 mm.
The die head adopts a T-shaped die head, and the temperature is set as follows: the temperature of the 1 region is 210-220 ℃, the temperature of the 2 region is 190-200 ℃, the temperature of the 3 region is 190-200 ℃, the temperature of the 4 region is 200-210 ℃, and the temperature of the 5 region is 210-220 ℃.
And (3) adopting double steel rollers to fix the thickness of the plate discharged from the die head to obtain the PVC micro-foaming stone-plastic substrate.
Step three: and (6) attaching.
And respectively controlling the tightness of the PVC transparent film and the PVC printing layer through a discharging device, then feeding the PVC transparent film and the PVC printing layer into a preheating roller, and finally completing pre-lamination with the PVC micro-foaming stone-plastic substrate. And (4) carrying out infrared heating on the pre-laminated product, and then entering an embossing roller to finish the lamination.
Step four: and (4) coating.
Curing the hot-press formed product, and then coating in a roller coating or spraying manner. And then curing the coating by a high temperature or UV lamp to obtain the coating.
Step five: and (5) slotting and forming.
Slicing the product obtained in the step four to obtain the required width; then grooving is carried out.
The physical property test of the PVC micro-foamed stone-plastic flooring of example 2 obtained as described above is shown in Table 2.
Table 2 physical property test table for PVC micro-foamed plastic flooring of this embodiment
All indexes of the PVC micro-foaming stone-plastic floor in the embodiment 2 meet or even are due to relevant standards in the industry, and the PVC micro-foaming stone-plastic floor has certain market application prospect.
The application of the micro-foaming sepiolite plastic floor comprises: excellent foot feeling comfort level; excellent sound insulation effect; the floor is light, so that the transportation cost and the paving labor cost are effectively reduced; excellent dimensional stability and other physical properties; effectively reduces the weight of raw materials in unit volume, reduces the waste of resources, effectively reduces the carbon emission and the like. The specific gravity of the PVC micro-foaming sepiolite plastic floor manufactured by the method is less than or equal to 1.75g/cm 3 The indexes of the wheelchair that the dimensional stability at 80 ℃ is less than or equal to 0.25 percent, the warpage at 80 ℃ is less than or equal to 2mm, the residual concavity is less than or equal to 0.1mm, the wear resistance of the wheelchair is 25000r, the surface has no layering and the like all meet the relevant industrial standards, and the wheelchair has good market application prospect.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the claims which follow.
Claims (15)
1. The PVC micro-foaming sepiolite plastic floor is characterized by comprising: the coating layer, the PVC wear-resistant layer, the PVC printing layer and the PVC micro-sepiolite plastic substrate are sequentially arranged from one side to the other side.
2. The PVC micro-foaming sepiolite plastic floor board according to claim 1, wherein the PVC wear-resistant layer comprises the following components in percentage by mass: 70-80% of PVC resin, 20-25% of plasticizer, 1-3% of powder calcium zinc stabilizer, 0.1-0.2% of phosphite ester, 0.1-0.3% of ultraviolet absorbent and 400.5-1% of PA-100%, wherein the sum of the components is 100%.
3. The PVC micro-foaming stone plastic floor board according to claim 1, wherein the PVC micro-foaming stone plastic base material comprises the following components in percentage by mass: 20-25% of PVC resin, 60-75% of calcium carbonate, 2-3% of powder calcium zinc stabilizer, 0.2-1.0% of external lubricant, 0.2-1.0% of internal lubricant, 4.0-7.0% of foaming regulator, 0.4-1.0% of foaming agent, 0.2-1.0% of high-density oxidized polyethylene wax and 0.05-1.5% of pigment, wherein the sum of the components is 100%.
4. The PVC micro-sepiolite plastic floor as claimed in claim 3, wherein the PVC resin is a PVC resin having a degree of polymerization of 800 or 1000 or a mixture thereof.
5. The PVC micro-foaming sepiolite plastic floor as claimed in claim 3, wherein the calcium carbonate is one or a mixture of several of calcium carbonate with 250-600 meshes.
6. The PVC micro-foaming sepiolite floor tile of claim 3, wherein the foam modifier is a copolymer of methyl methacrylate and acrylate or a blend of polymethyl methacrylate and acrylate.
7. The PVC micro-foaming sepiolite plastic floor as claimed in claim 3, wherein the foaming agent is one or a mixture of a yellow foaming agent and a white foaming agent.
8. The PVC micro-sepiolite plastic floor of claim 3, wherein the external slip agent is polyethylene wax and/or the internal slip agent is stearic acid.
9. The PVC micro-foaming sepiolite plastic floor as recited in claim 1, wherein the PVC printing layer is a hard PVC gravure printing film.
10. The PVC micro-foaming sepiolite plastic floor as recited in claim 1, wherein the coating is UV curable coating or aqueous polyurethane coating.
11. A manufacturing method of a PVC micro-foaming stone-plastic floor is characterized by comprising the following steps:
preparing a PVC wear-resistant layer;
preparing a PVC micro-foaming stone-plastic substrate;
preheating the PVC wear-resistant layer and the PVC printing layer and then attaching the PVC wear-resistant layer and the PVC printing layer to the PVC micro-foaming stone-plastic substrate;
coating the attached product;
and (5) performing slotting molding treatment to obtain the PVC micro-foaming stone-plastic floor.
12. The method of claim 11, wherein the step of preparing the PVC wear layer comprises:
putting 70-80% of PVC resin and 20-25% of plasticizer into a high-speed stirrer, and stirring to complete oil absorption to obtain dry powder; then mixing and blanking 1-3% of powder calcium zinc stabilizer, 0.1-0.2% of phosphite ester, 0.1-0.3% of ultraviolet absorbent and 400.5-1% of PA-1 at low temperature; stirring and mixing the dry powder and the mixed powder consisting of the baits, and then cooling;
plasticizing the cooled mixed powder;
filtering the plasticized material;
performing thickness setting and forming treatment;
embossing;
cooling;
and winding the cooled film on a paper tube to obtain a coil stock.
13. The method for manufacturing the PVC micro-foamed stone-plastic floor as claimed in claim 11, wherein the preparation of the PVC micro-foamed stone-plastic substrate comprises:
uniformly stirring 20-25% of PVC resin, 60-75% of calcium carbonate, 1.5-2.5% of powder calcium zinc stabilizer, 2.0-3.0% of external lubricant, 2.0-3.0% of internal lubricant, 3.5-6.0% of foaming regulator, 0.4-1.0% of foaming agent, 0.1-1.0% of high-density oxidized polyethylene wax and 0.05-1.5% of pigment, and blanking to a middle barrel for storage;
adding the mixture into an extruder for extrusion treatment;
and (5) performing fixed-thickness molding treatment to obtain the PVC micro-foaming stone-plastic substrate.
14. The method for manufacturing the PVC micro-foamed stone-plastic floor as claimed in claim 13, wherein the step of adding the mixture into an extruder for extrusion processing comprises: adding the mixture into a feeding port of an extruder; wherein the temperature is set as: 200-220 ℃ in a machine barrel 1 area, 200-220 ℃ in a machine barrel 2 area, 200-220 ℃ in a machine barrel 3 area, 200-220 ℃ in a machine barrel 4 area, 180-200 ℃ in a machine barrel 5 area, 180-200 ℃ in a machine barrel 6 area, and 170-190 ℃ of a confluence core;
the die head adopts a T-shaped die head, and the temperature is set as follows: the temperature of the 1 region is 210-220 ℃, the temperature of the 2 region is 190-200 ℃, the temperature of the 3 region is 190-200 ℃, the temperature of the 4 region is 200-210 ℃, and the temperature of the 5 region is 210-220 ℃.
15. The method for making PVC micro-foamed stone-plastic flooring according to any of claims 11 to 14, wherein in said cooling, comprising: curing the hot-press formed product, and then coating the product in a roller coating or spraying manner; and then curing the coating by a high temperature or UV lamp to obtain the coating.
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