WO2019237268A1 - Processus de production de matériau en feuille de plastique - Google Patents

Processus de production de matériau en feuille de plastique Download PDF

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Publication number
WO2019237268A1
WO2019237268A1 PCT/CN2018/090985 CN2018090985W WO2019237268A1 WO 2019237268 A1 WO2019237268 A1 WO 2019237268A1 CN 2018090985 W CN2018090985 W CN 2018090985W WO 2019237268 A1 WO2019237268 A1 WO 2019237268A1
Authority
WO
WIPO (PCT)
Prior art keywords
parts
plastic sheet
raw materials
layer
tpu layer
Prior art date
Application number
PCT/CN2018/090985
Other languages
English (en)
Chinese (zh)
Inventor
戴会斌
章忠飞
赵培东
Original Assignee
浙江晶通塑胶有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江晶通塑胶有限公司 filed Critical 浙江晶通塑胶有限公司
Priority to PCT/CN2018/090985 priority Critical patent/WO2019237268A1/fr
Priority to CN201880003791.XA priority patent/CN109952184A/zh
Publication of WO2019237268A1 publication Critical patent/WO2019237268A1/fr

Links

Classifications

    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • 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
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • 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
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • 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 invention relates to the field of building boards, in particular to a production process of plastic boards.
  • Plastic flooring is usually made of PVC as the main raw material, and is made of fillers, plasticizers, stabilizers, colorants and other auxiliary materials.
  • the color film layer and abrasion resistant layer are generally hot pressed on the surface of the floor.
  • the decorative function is realized by the color film layer
  • the scratch resistance function is realized by the wear-resistant layer
  • the color film layer and the wear-resistant layer are made of PVC material, and the PVC material is easy to age and cause damage under long-term light.
  • the latest technology has further improved the upper and lower surfaces of the plastic floor into a TPU layer, but the TPU layer is chemically foamed, the process is not environmentally friendly, and the quality of the products produced is difficult to guarantee.
  • the technical problem to be solved by the present invention is to provide a production process for producing environmentally-friendly plastic plates that can ensure product quality.
  • the technical solution of the present invention is to provide a production process of a plastic sheet.
  • the plastic sheet is extruded through a co-extrusion process.
  • the plastic sheet includes a stone plastic substrate layer and TPU layers placed on the upper and lower surfaces of the stone plastic substrate layer.
  • the TPU layer is extruded by physical foaming, and an inert gas is used as the foaming gas.
  • the TPU layer is composed of the following raw materials by weight: 80-120 parts of PTU; 2-4 parts of stabilizer; 1-1.5 parts of PE wax; 1-1.5 parts of stearic acid; 20-40 parts of physical foaming agent.
  • the physical blowing agent is one or a mixture of carbon dioxide, nitrogen, propane, n-butane, isobutane, n-pentane, and isopentane.
  • a flame retardant is also included, and the flame retardant is dibromoneopentyl alcohol, tribromoneopentyl alcohol, diethyl ethanephosphonate or a mixture thereof.
  • the stone plastic substrate layer is composed of the following raw materials by weight: 50 parts of polyvinyl chloride, 150 parts of stone powder, 6 parts of calcium zinc stabilizer, 0.35 parts of stearic acid, 5 parts of PVC modifier, and 0.2 parts of carbon black , 0.6 parts of polyethylene wax.
  • Step 1 Weigh and mix the raw materials of the stone plastic substrate layer and the raw materials, and weigh and mix the raw materials of the TPU layer;
  • Step 2 Feed, weigh the raw material of the stone plastic substrate layer and the raw material of the TPU layer at a ratio of 1: 1, and put the two raw materials into the extruder separately;
  • Step 3 Melt plasticizing.
  • the raw materials in step 2 are melted and plasticized in the main machine and auxiliary machine respectively.
  • the molten raw materials enter the melt pump and are distributed and co-extruded.
  • the molten raw materials of the TPU layer are injected during the melt conveying process.
  • Step four the distributed molten material enters the mold, and is extruded into a sheet blank consisting of a TPU layer, a PP or PE foam layer, and a TPU layer from top to bottom;
  • Step 5 Pass the sheet blank output in the mold of Step 4 between the two fixed-thickness rollers arranged above and below, and then pass the sheet after the fixed thickness between the embossed rollers and the underprinting rollers arranged above and below;
  • Step 6 Slot the slot, cut it to a predetermined size, and slot the edge.
  • the extrusion temperature of the extruder is higher than the vaporization temperature of the physical foaming agent.
  • the foamed cells in the extruded TPU layer are substantially closed and preferably have a cell diameter between 210 and 350 ⁇ m, and the cells are filled with argon.
  • the raw material of the TPU layer includes a plasticizer, preferably a plasticizer selected from the group consisting of a phthalate, a benzoate, a glyceride, or a citrate.
  • a plasticizer selected from the group consisting of a phthalate, a benzoate, a glyceride, or a citrate.
  • the present invention uses a physical foaming TPU layer and uses an inert gas as the foaming gas, the production process is environmentally friendly, and the product quality can be guaranteed.
  • a plastic sheet production process A plastic sheet is extruded through a coextrusion process.
  • the plastic sheet includes a stone plastic substrate layer and a TPU layer placed on the upper and lower surfaces of the stone plastic substrate layer.
  • the TPU layer is physically foamed (gas micro Cell foaming) extrusion molding, the foaming gas is selected from inert gas, in this embodiment, the foaming gas is argon.
  • the TPU layer is composed of the following parts by weight of raw materials: 100 parts of PTU; 2 parts of calcium zinc stabilizer; 1.5 parts of PE wax; 1.5 parts of stearic acid; 40 parts of physical foaming agent; 7 parts of dibromoneopentyl alcohol; Foaming agents were nitrogen and propane.
  • the stone plastic substrate layer is composed of the following raw materials by weight: 50 parts of polyvinyl chloride, 150 parts of stone powder, 6 parts of calcium zinc stabilizer, 0.35 parts of stearic acid, 5 parts of PVC modifier, 0.2 parts of carbon black, and polyethylene 0.6 parts of wax.
  • Step 1 Weigh and mix the raw materials of the stone plastic substrate layer and the raw materials, and weigh and mix the raw materials of the TPU layer;
  • Step 2 Feed, weigh the raw material of the stone plastic substrate layer and the raw material of the TPU layer at a ratio of 1: 1, and put the two raw materials into the extruder separately;
  • Step 3 Melt plasticization. Melt and plasticize the raw materials in Step 2 in the main engine and auxiliary equipment. Control the screw extrusion pressure at 70 MPa. Adjust the temperature of the extruder barrel to 185 ° C. Body pump and distribution co-extrusion, in which the molten raw material of the TPU layer is injected with high-pressure inert gas argon during the melt transfer process;
  • Step four the distributed molten material enters the mold, and is extruded into a sheet blank that is a TPU layer, a PP or PE foam layer, and a TPU layer from top to bottom, so that the foam in the extruded TPU layer is foamed.
  • the pores are basically closed and have a cell diameter between 210-350 ⁇ m, and the cells are filled with argon;
  • Step 5 Pass the sheet blank output in the mold of Step 4 between the two fixed-thickness rollers arranged above and below, and then pass the sheet after the fixed thickness between the embossed rollers and the shading rollers arranged above and below.
  • a heat transfer oil of 180 ° C-200 ° C is passed through the fixed thickness roll
  • a heat transfer oil of 180 ° C-200 ° C is passed through both the embossing roll and the underprint roll;
  • Step 6 Slot the slot, cut it to a predetermined size, and slot the edge.
  • the raw material of the TPU layer further includes a plasticizer.
  • a plasticizer Compared with 100 parts of TPU, it includes 2 parts of plasticizer, and the plasticizer is preferably benzoate.
  • the temperature of the extruder screw barrel is adjusted to 178 ° C, the foaming gas is neon, and the physical foaming agent is isobutane.
  • This process is environmentally friendly in production and can ensure product quality.

Landscapes

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

Abstract

L'invention concerne un processus de production d'un matériau en feuille plastique, le matériau en feuille plastique étant extrudé et formé au moyen d'un processus de co-extrusion. Le matériau en feuille de plastique comprend une couche de substrat en pierre-plastique et des couches de TPU qui sont respectivement placées sur les surfaces supérieure et inférieure de la couche de substrat en pierre-plastique. Les couches de TPU sont extrudées et formées au moyen du moussage physique, et un gaz de moussage sélectionné et utilisé est un gaz inerte. Le procédé de production susmentionné d'un matériau en feuille de plastique est respectueux de l'environnement et peut garantir la qualité du produit.
PCT/CN2018/090985 2018-06-13 2018-06-13 Processus de production de matériau en feuille de plastique WO2019237268A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2018/090985 WO2019237268A1 (fr) 2018-06-13 2018-06-13 Processus de production de matériau en feuille de plastique
CN201880003791.XA CN109952184A (zh) 2018-06-13 2018-06-13 一种塑胶板材的生产工艺

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/090985 WO2019237268A1 (fr) 2018-06-13 2018-06-13 Processus de production de matériau en feuille de plastique

Publications (1)

Publication Number Publication Date
WO2019237268A1 true WO2019237268A1 (fr) 2019-12-19

Family

ID=67007127

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/090985 WO2019237268A1 (fr) 2018-06-13 2018-06-13 Processus de production de matériau en feuille de plastique

Country Status (2)

Country Link
CN (1) CN109952184A (fr)
WO (1) WO2019237268A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102229709A (zh) * 2011-05-16 2011-11-02 四川大学 无毒、无异味、可回收的环保型聚氨酯发泡型材及其制备方法
WO2013143903A1 (fr) * 2012-03-28 2013-10-03 Tarkett Gdl Revêtement de surface multicouche
CN204983545U (zh) * 2015-06-29 2016-01-20 浙江晶美建材科技有限公司 一种高耐磨防滑塑胶地板
CN107722491A (zh) * 2017-09-30 2018-02-23 浙江晶通塑胶有限公司 塑胶地板及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100415196B1 (ko) * 2001-11-19 2004-01-16 주식회사 엘지화학 피브이씨와 변성 티피오로 조성된 발포층을 가진 바닥장식재와 그의 제조방법
NL1040475C2 (en) * 2013-10-29 2015-04-30 Fits Holding B V Method and device for manufacturing a sandwich structure comprising a thermoplastic foam layer.
CN104194030B (zh) * 2014-08-08 2015-05-27 汕头市新力新材料科技有限公司 一种热塑性聚氨酯弹性体发泡珠粒及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102229709A (zh) * 2011-05-16 2011-11-02 四川大学 无毒、无异味、可回收的环保型聚氨酯发泡型材及其制备方法
WO2013143903A1 (fr) * 2012-03-28 2013-10-03 Tarkett Gdl Revêtement de surface multicouche
CN204983545U (zh) * 2015-06-29 2016-01-20 浙江晶美建材科技有限公司 一种高耐磨防滑塑胶地板
CN107722491A (zh) * 2017-09-30 2018-02-23 浙江晶通塑胶有限公司 塑胶地板及其制备方法

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Publication number Publication date
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