WO2023168546A1 - Procédé de fabrication d'un panneau de mousse de composite pierre-plastique (spc) et panneau ainsi préparé - Google Patents

Procédé de fabrication d'un panneau de mousse de composite pierre-plastique (spc) et panneau ainsi préparé Download PDF

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Publication number
WO2023168546A1
WO2023168546A1 PCT/CN2022/079473 CN2022079473W WO2023168546A1 WO 2023168546 A1 WO2023168546 A1 WO 2023168546A1 CN 2022079473 W CN2022079473 W CN 2022079473W WO 2023168546 A1 WO2023168546 A1 WO 2023168546A1
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WIPO (PCT)
Prior art keywords
layer
spc
raw material
manufacturing
thickness
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PCT/CN2022/079473
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English (en)
Chinese (zh)
Inventor
丁志慧
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长兴经纬新材料有限公司
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Priority to PCT/CN2022/079473 priority Critical patent/WO2023168546A1/fr
Publication of WO2023168546A1 publication Critical patent/WO2023168546A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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

Definitions

  • the present invention relates to the technical field of SPC product manufacturing technology, specifically a manufacturing method of SPC composite foam board; the invention also relates to an SPC composite foam board produced by this manufacturing method.
  • SPC board is a kind of stone plastic board, namely Stone Plastic Composite, which can be used to make SPC floor or wall panels.
  • the density of SPC boards is relatively high, generally about 2.0kg/m2. Therefore, compared with other artificial boards, the logistics cost is relatively high, and the labor intensity during installation and construction is relatively high.
  • the existing technology proposes an SPC composite foam board with a structure of two SPC layers and a middle composite lightweight material layer (such as a foam material layer).
  • a middle composite lightweight material layer such as a foam material layer.
  • the manufacturing method of this kind of composite board is to first extrude the SPC layer and the lightweight material layer through the extrusion process. After the thickness of the two is stabilized by curing, the two are glued together through hot pressing.
  • Composite The disadvantage of the above-mentioned manufacturing method is that the density of the composite board is still relatively large, only reduced to 1.7kg/m2 at the maximum, and the process is complicated and the production cycle is relatively long.
  • the first technical purpose of the present invention is to overcome the above technical problems and thereby provide a manufacturing method of SPC composite foam board, which can produce boards with smaller thickness and lower density, and can simplify the process and shorten the production cycle;
  • the second technical object of the invention is to provide a plate made by the manufacturing method of the plate.
  • one embodiment of the present invention provides a method for manufacturing a plate.
  • the first raw material used to form the SPC layer and the second raw material used to form the lightweight material layer are combined and distributed.
  • a layered form of the first raw material flow layer at the top, the second raw material flow layer at the center, and the first raw material flow layer at the bottom is formed, and the first SPC layer and the mutually bonded SPC layer are simultaneously extruded in one co-extrusion process.
  • the one-time co-extrusion technical solution saves the cooling and curing time of the SPC layer and the lightweight material layer, as well as the cumbersome turnover between each process, thereby simplifying the production process, shortening the production cycle, and It is possible to reduce the production cost of this part.
  • the second raw material is a foaming material.
  • the second raw material includes resin powder, heavy calcium powder, and foaming additives.
  • the mass ratio of resin powder, heavy calcium powder, and foaming additives is (1): (0.7 ⁇ 2): (0.02 ⁇ 0.3 ), the resin powder is type five resin powder or type eight resin powder.
  • the flow performance of the second raw material flow layer can be improved to improve its flow performance at a relatively small flow rate.
  • the first raw material includes type 5 resin powder, heavy calcium powder and additives.
  • the mass ratio of type 5 resin powder, heavy calcium powder and additives is (1): (1 ⁇ 4): (0.015 ⁇ 0.1).
  • the flow performance of the first raw material flow layer can be improved to improve its flow performance at a relatively small flow rate, and due to its flow performance at high temperatures improvement, and the first and second SPC layers with better toughness can be obtained after extrusion.
  • the temperatures of the upper first raw material flow layer and the lower first raw material flow layer are 180°C to 210°C, and the temperature of the middle second raw material flow layer is 220°C to 250°C.
  • the flow rates of the two when they flow through the distribution section can be controlled.
  • the flow rate of the second raw material flow layer can be made greater than the flow rate of the first raw material flow layer, and the second raw material flow layer can be fully foamed in this process section.
  • the temperatures of the first SPC layer, the lightweight material layer, and the second SPC layer when coextrusion is completed are 140°C to 160°C.
  • the lightweight material layer by making the first SPC layer, the lightweight material layer an intermediate state, the second SPC layer an intermediate state, and the first SPC layer, the lightweight material layer
  • the second SPC layer is extruded and cooled down in the co-extrusion section, which can avoid the problem of secondary foaming of the lightweight material layer after extrusion and the increase in thickness due to secondary foaming. , The problem of uncontrollable thickness.
  • the first SPC layer, the lightweight material layer, and the second SPC layer after co-extrusion are cooled by cooling rollers.
  • the cooling roller is used as a means for further cooling, so that the SPC composite foam board composed of the first SPC layer, the lightweight material layer, and the second SPC layer can be subjected to a thickness change of It is cooled in a defined state, which can further ensure that the SPC composite foam board has a relatively small thickness and avoid the problem of secondary foaming of the lightweight material layer.
  • the temperature of the first raw material and the second raw material before merging is 130°C to 160°C.
  • another embodiment of the present invention provides a board made by using the above-mentioned SPC composite foam board manufacturing method, including a first SPC layer and a lightweight material layer from top to bottom.
  • the second SPC layer, the lightweight material layer is formed of foamed material
  • the first SPC layer, the lightweight material layer, and the second SPC layer are extruded and bonded through a co-extrusion process, and the plate
  • the thickness is 3.1mm to 13mm.
  • the overall thickness of the board i.e., SPC composite foam board
  • the overall density of the board is reduced to reduce the overall density of the board, thereby reducing logistics costs and alleviating labor intensity during construction.
  • the thickness of the plate is 3.2mm to 5.99mm.
  • the thickness of the first SPC layer is 0.3mm to 1.5mm
  • the thickness of the second SPC layer is 0.3mm to 1.5mm.
  • the thickness of the lightweight material layer is 2.5mm to 10mm.
  • the thickness of the lightweight material layer is reduced, when making the lock, it is easier to move the lock structure away from the thickness of the lightweight material layer, or to reduce the thickness of the lightweight material layer in the lock structure.
  • the proportion of thickness in the lock structure improves the strength of the lock structure.
  • the density of the board is 1.2kg/m2 to 1.7kg/m2.
  • An SPC composite foam board can produce an SPC composite foam board with a relatively low overall density, and has relatively few production processes, a relatively short production cycle, and a relatively low production cost;
  • An SPC composite foam board in the technical solution of this application has the characteristics of lower density, lower thickness, and better toughness, and thus has relatively low logistics costs, labor intensity of paving construction, and strong lock structure. Relatively high advantages.
  • Figure 1 is a schematic diagram of the manufacturing process of the SPC composite foam board according to the embodiment of the present application.
  • Figure 2 is a schematic structural diagram of the SPC composite foam board according to the embodiment of the present application.
  • 100-first SPC layer 200-lightweight material layer, 300-second SPC layer, 400-screw conveyor, 500-merging core, 600-distributor, 700-extrusion head, 800-cooling Roller conveyor line.
  • Embodiment Referring to the manufacturing method of an SPC composite foam board shown in Figure 1, the first raw material for forming the SPC layer and the third raw material for forming the lightweight material layer are respectively transported to the converging core 500 through the screw conveyor 400. Two raw materials; in the converging core 500, the first raw material and the second raw material are merged and transported to the distributor 600; after the distribution process of the distributor 600, a first raw material flow layer in the upper part and a second raw material flow in the center are formed.
  • the first SPC layer 100 and the lightweight material bonded to each other are simultaneously extruded in the extrusion head 700 in a single co-extrusion process.
  • Layer 200, second SPC layer 300 Referring to Figure 2, the first SPC layer 100, the lightweight material layer 200, and the second SPC layer 300 that are bonded to each other through a co-extrusion process constitute the SPC composite foam board of this embodiment.
  • the first raw material may be the formula of the SPC layer in the prior art.
  • the first raw material includes type five resin powder, heavy calcium powder, and additives.
  • the additive is commercially available SPC. Finished additives for boards.
  • the mass ratio of type five resin powder, heavy calcium powder and additives is (1): (1 ⁇ 4): (0.015 ⁇ 0.1).
  • the first raw material flow layer can still maintain a certain flow performance at the low flow rate and avoid the problem of agglomeration; And due to the relatively high flow performance, the material of the first and second SPC layers is more uniform, thereby improving its toughness.
  • the second raw material is foaming material, including resin powder, heavy calcium powder, and additives for foaming.
  • the resin powder is type five resin powder or type eight resin powder.
  • the additives for foaming are commercially available foaming materials including foaming agents and other ingredients. Finished additives for boards.
  • the mass ratio of resin powder, heavy calcium powder and foaming additive is (1):(0.7 ⁇ 2):(0.02 ⁇ 0.3).
  • the conveying temperature is 130°C to 160°C (preferably 150°C ⁇ 2°C); in the screw conveyor 400 that conveys the second raw material, the conveying temperature is 130°C to 160°C ( Preferably 150°C ⁇ 2°C).
  • the conveying temperature is continuously increased. Therefore, when the first raw material is distributed in the distributor 600 to form the upper first raw material flow layer and the lower first raw material flow layer, the upper first raw material flow layer and the lower first raw material flow layer
  • the temperature is 180°C to 210°C (preferably 190°C ⁇ 2°C); when the second raw material is distributed in the distributor to form a central second raw material flow layer, the temperature of the central second raw material flow layer is 220°C to 250°C (preferably 230°C ⁇ 2°C), and the second raw material flow layer completes foaming at this time.
  • the different temperatures of the first raw material and the second raw material in the distributor 600 are achieved by controlling the temperatures of the three circulation channels in the distributor 600 respectively and setting a temperature isolation plate between the three.
  • the temperatures of the three flow channels in the distributor 600 can be different, so that the flow rates of the first raw material flow layer and the second raw material flow layer when flowing through the distributor 600 can be controlled, so that the flow rate of the second raw material flow layer is greater than that of the second raw material flow layer.
  • the flow rate of the raw material flowing layer is achieved by controlling the temperatures of the three circulation channels in the distributor 600 respectively and setting a temperature isolation plate between the three.
  • the upper first raw material flow layer exists in an intermediate state of the first SPC layer transitioning to the first SPC layer 100
  • the middle second raw material flow layer exists in an intermediate state transitioning to the light-weight material layer 200
  • the material layer exists in an intermediate state
  • the lower first raw material flow layer exists in an intermediate state of the second SPC layer that transitions to the second SPC layer 300.
  • the first SPC layer is in an intermediate state
  • the lightweight material layer is in an intermediate state
  • the second SPC layer is in an intermediate state.
  • the temperature of the state in the extrusion head is 140°C to 160°C (preferably 150°C ⁇ 2°C).
  • This temperature is maintained until the first SPC layer 100, the lightweight material layer 200, and the second SPC layer 300 are formed, and the first SPC layer 100, the lightweight material layer 200, and the second SPC layer 300 leave the extrusion head 700. .
  • By controlling the temperature in the extrusion head 700 it is possible to avoid the problem of secondary foaming of the lightweight material layer 200 after extrusion, as well as the problem of increased thickness and uncontrollable thickness due to secondary foaming.
  • a set of cooling roller conveying lines 800 are provided in the form of auxiliary lines after the extrusion head 700 to further cool the formed SPC composite foam board.
  • the first SPC layer 100 with a thickness in the range of 0.3mm to 1.5mm, the lightweight material layer 200 with a thickness in the range of 2.5mm to 10mm, and the thickness of 0.3mm to 1.5mm can be produced.
  • the second SPC layer ranges from 300; the thickness of the final finished SPC composite foam board is 3.1mm to 13mm.
  • the thickness of the first SPC layer 100 is 0.3mm to about 0.75mm
  • the thickness of the lightweight material layer 200 is 2.6mm to about 4.5mm
  • the thickness of the second SPC layer 300 is 0.3mm to about 0.75mm
  • the final product The thickness of SPC composite foam board is 3.2mm to 5.99mm or 6mm. Therefore, the first SPC layer 100 with a thickness of 0.45mm, the lightweight material layer 200 with a thickness of 4.3mm, and the second SPC layer 300 with a thickness of 0.45mm are used as structures to form an SPC composite foam with a thickness of 5.2mm. Board, the density of this SPC composite foam board is 1.37kg/m2.
  • the thickness of the lightweight material layer in the prior art is at least 10mm, usually 12mm.
  • the thickness of the first and second SPC layers in the prior art is generally 2.5mm, so at least 4mm to 5mm of lightweight material layer materials are used.
  • only 1.8mm to 2mm of the light material layer 200 is used to make the male tenon head of the lock, and the structural strength of the lock can be increased by about 3 times.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne, selon les modes de réalisation, un procédé de fabrication d'une panneau de mousse de SPC et un panneau ainsi préparé. Une première matière première utilisée pour former une couche de SPC et une seconde matière première utilisée pour former une couche de matériau léger sont combinées, puis distribuées pour former une forme en couches composée d'une première couche supérieure de flux de matières premières, d'une seconde couche intermédiaire de flux de matières premières et d'une première couche inférieure de flux de matières premières ; et une première couche de SPC, une couche de matériau léger et une seconde couche de SPC qui sont liées les unes aux autres sont extrudées en même temps au moyen d'un processus de co-extrusion en une seule étape. Au moyen du procédé, il est possible de fabriquer un panneau d'une épaisseur et d'une densité plus faibles, de simplifier la procédure et de réduire la période de production.
PCT/CN2022/079473 2022-03-07 2022-03-07 Procédé de fabrication d'un panneau de mousse de composite pierre-plastique (spc) et panneau ainsi préparé WO2023168546A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/079473 WO2023168546A1 (fr) 2022-03-07 2022-03-07 Procédé de fabrication d'un panneau de mousse de composite pierre-plastique (spc) et panneau ainsi préparé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/079473 WO2023168546A1 (fr) 2022-03-07 2022-03-07 Procédé de fabrication d'un panneau de mousse de composite pierre-plastique (spc) et panneau ainsi préparé

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200413163A (en) * 2003-09-01 2004-08-01 rui-yang Zhang Method for making three-layer co-extruded foamed board
JP2004243642A (ja) * 2003-02-13 2004-09-02 Jsp Corp 押し出し発泡複合体の製造方法及び発泡複合体
CN102922838A (zh) * 2012-11-17 2013-02-13 中国化学工程第十四建设有限公司 三层共挤pvc木塑复合发泡板及其制备方法
CN109265730A (zh) * 2018-08-13 2019-01-25 山东博拓塑业股份有限公司 环保pvc共挤彩板及其制备方法
CN110626027A (zh) * 2019-08-16 2019-12-31 浙江永裕竹业股份有限公司 一种共挤spc发泡地板及其制备方法
EP3643491A1 (fr) * 2017-06-28 2020-04-29 Zhejiang Kingdom Plastics Industry Co., Ltd. Plancher composite et procédé de préparation associé
CN111791556A (zh) * 2020-06-01 2020-10-20 安徽韩华建材科技股份有限公司 一种轻质石塑板及其制备方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004243642A (ja) * 2003-02-13 2004-09-02 Jsp Corp 押し出し発泡複合体の製造方法及び発泡複合体
TW200413163A (en) * 2003-09-01 2004-08-01 rui-yang Zhang Method for making three-layer co-extruded foamed board
CN102922838A (zh) * 2012-11-17 2013-02-13 中国化学工程第十四建设有限公司 三层共挤pvc木塑复合发泡板及其制备方法
EP3643491A1 (fr) * 2017-06-28 2020-04-29 Zhejiang Kingdom Plastics Industry Co., Ltd. Plancher composite et procédé de préparation associé
CN109265730A (zh) * 2018-08-13 2019-01-25 山东博拓塑业股份有限公司 环保pvc共挤彩板及其制备方法
CN110626027A (zh) * 2019-08-16 2019-12-31 浙江永裕竹业股份有限公司 一种共挤spc发泡地板及其制备方法
CN111791556A (zh) * 2020-06-01 2020-10-20 安徽韩华建材科技股份有限公司 一种轻质石塑板及其制备方法

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