CN109952184A - A kind of production technology of plastic sheet - Google Patents
A kind of production technology of plastic sheet Download PDFInfo
- Publication number
- CN109952184A CN109952184A CN201880003791.XA CN201880003791A CN109952184A CN 109952184 A CN109952184 A CN 109952184A CN 201880003791 A CN201880003791 A CN 201880003791A CN 109952184 A CN109952184 A CN 109952184A
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- CN
- China
- Prior art keywords
- plastic sheet
- parts
- raw material
- production technology
- layer
- Prior art date
- Legal status (The legal status 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 status listed.)
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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
Abstract
A kind of production technology of plastic sheet, by coextrusion process extrusion molding plastic sheet, plastic sheet includes stone molding base layer and the TPU layer for being respectively placed in stone molding base layer upper and lower surface, and TPU layer selects inert gas by physical blowing extrusion molding, foamed gas.The production technology of the plastic sheet produces environmental protection, it can be ensured that product quality.
Description
Technical field:
The present invention relates to building board fields, are especially a kind of production technology of plastic sheet.
Background technique:
Plastic floor is usually that the auxiliary materials such as filler, plasticizer, stabilizer, colorant are added and are made using PVC as primary raw material
Floor generally all can be realized and be filled by color film layer in the surface hot pressing coloured silk film layer and wearing layer on floor during the manufacturing
The function of decorations is realized the function of scratch resistance by wearing layer, but color film layer and wearing layer are made of PVC material, and PVC material is when long
Between be easy aging under illumination and damage.On this basis, state-of-the-art technology further improves the upper and lower surface of plastic floor
For TPU layer, but the TPU layer is foamed using chemical method, and not environmentally, the product quality of production is relatively difficult to guarantee process.
Summary of the invention:
The technical problem to be solved by the invention is to provide a kind of production environmental protection, it can be ensured that the plastic sheet of product quality
Production technology.
The technical solution of the invention is as follows, provides a kind of production technology of plastic sheet, is extruded by coextrusion process
Type plastic sheet, plastic sheet include stone molding base layer and the TPU layer for being respectively placed in stone molding base layer upper and lower surface, and TPU layer is logical
Physical blowing extrusion molding is crossed, foamed gas selects inert gas.
Preferably, TPU layer is made of the raw material of following parts by weight: PTU80-120 parts；2-4 parts of stabilizer；PE wax 1-
1.5 part；1-1.5 parts of stearic acid；20-40 parts of physical blowing agent.
Preferably, physical blowing agent is carbon dioxide, in nitrogen, propane, normal butane, iso-butane, pentane, isopentane
One or any of several mixture.
Preferably, further including 3-12 parts of fire retardant, fire retardant is dibromo neopentyl alcohol, tribromoneoamyl alcohol, ethane phosphonic acids two
Or mixtures thereof ethyl ester.
Preferably, stone molding base layer is made of the raw material of following parts by weight: 50 parts of polyvinyl chloride, 150 parts of mountain flour, calcium zinc
6 parts of stabilizer, 0.35 part of stearic acid, 5 parts of PVC modifier, 0.2 part of carbon black, 0.6 part of polyethylene wax.
Further, include the following steps,
The raw material of stone molding base layer sum is weighed and is mixed, the raw material of TPU layer is weighed by step 1, ingredient
And it mixes；
Step 2, feeding weigh the raw material of the raw material of stone molding base layer and TPU layer with the ratio of 1:1, and will be upper
It states two kinds of raw materials and is respectively put into extruder；
Step 3, fusion plastification, by the fusion plastification in main and auxiliaries respectively of the raw material in step 2, fused raw material into
Enter Melt Pump and be allocated co-extrusion, wherein the fused raw material of TPU layer injects high-pressure inert gas during melt conveying；
Step 4, the allocated fused materials enter in mold, and extrusion molding is to be followed successively by TPU layer, PP from top to bottom
Or the plate blank of PE foaming layer and TPU layer；
Step 5 passes through the plate blank exported in step 4 mold between two thickness measuring rollers setting up and down, so
The sheet material after fixed thickness is passed through between knurling rolls setting up and down and shading roller afterwards；
Step 6, fragment fluting are cut by predetermined size and are slotted at its edge.
Further, the extrusion temperature of extruder is higher than the vapourizing temperature of physical blowing agent.
Further, the abscess base closed of the foam in the TPU layer of extrusion and preferably have between 210-350 μm of bubble
Bore dia is filled with argon gas in abscess.
Further, include plasticizer in the raw material of TPU layer, be preferably selected from phthalic acid ester, benzoic ether, glyceride
Or the plasticizer of citrate.
Using after above scheme compared with prior art, the invention has the following advantages that the present invention pass through physical blowing TPU
Layer, and use inert gas as foamed gas, production process environmental protection, and can guarantee product quality.
Specific embodiment:
With regard to specific embodiment, the invention will be further described below:
Embodiment one
A kind of production technology of plastic sheet, by coextrusion process extrusion molding plastic sheet, plastic sheet includes stone modeling
Substrate layer and the TPU layer for being respectively placed in stone molding base layer upper and lower surface, TPU layer are squeezed out by physical blowing (gas microporous foam)
Molding, foamed gas select inert gas, be foamed gas in the present embodiment are argon gas.Wherein, TPU layer is by following parts by weight
Raw material composition: PTU100 parts；2 parts of calcium zinc stabilizer；1.5 parts of PE wax；1.5 parts of stearic acid；40 parts of physical blowing agent, dibromo new penta
7 parts of alcohol, physical blowing agent is nitrogen and propane.Stone molding base layer is made of the raw material of following parts by weight: 50 parts of polyvinyl chloride, stone
150 parts of powder, 6 parts of calcium zinc stabilizer, 0.35 part of stearic acid, 5 parts of PVC modifier, 0.2 part of carbon black, 0.6 part of polyethylene wax.
Its specific production technology is as follows, includes the following steps,
The raw material of stone molding base layer sum is weighed and is mixed, the raw material of TPU layer is weighed by step 1, ingredient
And it mixes；
Step 2, feeding weigh the raw material of the raw material of stone molding base layer and TPU layer with the ratio of 1:1, and will be upper
It states two kinds of raw materials and is respectively put into extruder；
Step 3, fusion plastification, by the fusion plastification in main and auxiliaries respectively of the raw material in step 2, by Screw Extrusion
Pressure control is adjusted extruding machine barrel temperature control at 185 DEG C in 70MPa, and fused raw material enters Melt Pump and is allocated co-extrusion,
Wherein, the fused raw material of TPU layer injects high-pressure inert gas argon gas during melt conveying；
Step 4, the allocated fused materials enter in mold, and extrusion molding is to be followed successively by TPU layer, PP from top to bottom
Or the plate blank of PE foaming layer and TPU layer so that squeeze out TPU layer in foam abscess base closed and have between
210-350 μm of cell diameter is filled with argon gas in abscess；
Step 5 passes through the plate blank exported in step 4 mold between two thickness measuring rollers setting up and down, so
Afterwards by it is fixed it is thick after sheet material passed through between knurling rolls setting up and down and shading roller, wherein be connected in thickness measuring roller 180 DEG C-
180 DEG C -200 DEG C of conduction oil is connected in 200 DEG C of conduction oil, knurling rolls and shading roller；
Step 6, fragment fluting are cut by predetermined size and are slotted at its edge.
Embodiment two
What is different from the first embodiment is that also including plasticizer in the raw material of TPU layer, relative to 100 parts of TPU, including 2 parts of increasings
Mould agent, the preferred benzoic ether of plasticizer.In the production technology of embodiment two, extruding machine barrel temperature control is adjusted at 178 DEG C, and foam gas
Body is neon, and physical blowing agent selects iso-butane.
This technique is in production environmental protection, it can be ensured that product quality.
Only the preferred embodiment of the present invention has been described above, but is not to be construed as limiting the scope of the invention.It is all
It is the equivalent structure or equivalent flow shift done using description of the invention, is included within scope of patent protection of the invention.
Claims (9)
1. a kind of production technology of plastic sheet, by coextrusion process extrusion molding plastic sheet, plastic sheet includes stone modeling base
Material layer and the TPU layer for being respectively placed in stone molding base layer upper and lower surface, it is characterised in that: TPU layer passes through physical blowing extrusion molding,
Foamed gas selects inert gas.
2. the production technology of plastic sheet according to claim 1, it is characterised in that: TPU layer by following parts by weight original
Material composition: PTU80-120 parts；2-4 parts of stabilizer；1-1.5 parts of PE wax；1-1.5 parts of stearic acid；20-40 parts of physical blowing agent.
3. the production technology of plastic sheet according to claim 2, it is characterised in that: physical blowing agent be carbon dioxide,
One of nitrogen, propane, normal butane, iso-butane, pentane, isopentane or any several mixture.
4. the production technology of plastic sheet according to claim 2, it is characterised in that: it further include 3-12 parts of fire retardant, resistance
Combustion agent is or mixtures thereof dibromo neopentyl alcohol, tribromoneoamyl alcohol, ethane diethyl phosphonate.
5. the production technology of plastic sheet according to claim 1, it is characterised in that: stone molding base layer is by following parts by weight
Raw material composition: 50 parts of polyvinyl chloride, 150 parts of mountain flour, 6 parts of calcium zinc stabilizer, 0.35 part of stearic acid, 5 parts of PVC modifier, charcoal
Black 0.2 part, 0.6 part of polyethylene wax.
6. the production technology of plastic sheet according to claim 1, it is characterised in that: include the following steps,
The raw material of stone molding base layer sum is weighed and is mixed, the raw material of TPU layer is weighed and mixed by step 1, ingredient
It closes；
Step 2, feeding weigh the raw material of the raw material of stone molding base layer and TPU layer with the ratio of 1:1, and by above-mentioned two
Kind raw material is respectively put into extruder；
Step 3, fusion plastification, by the raw material in step 2, the fusion plastification in main and auxiliaries, fused raw material enter molten respectively
Body pumps and is allocated co-extrusion, wherein the fused raw material of TPU layer injects high-pressure inert gas during melt conveying；
Step 4, the allocated fused materials enter in mold, and extrusion molding is to be followed successively by TPU layer, PP or PE from top to bottom
The plate blank of foaming layer and TPU layer；
Step 5 passes through the plate blank exported in step 4 mold between two thickness measuring rollers setting up and down, then will
Sheet material after fixed thickness passes through between knurling rolls setting up and down and shading roller；
Step 6, fragment fluting are cut by predetermined size and are slotted at its edge.
7. the production technology of plastic sheet according to claim 5, it is characterised in that: the extrusion temperature of extruder is higher than object
The vapourizing temperature of haircut infusion.
8. the production technology of plastic sheet according to claim 5, it is characterised in that: foam in the TPU layer of extrusion
Abscess base closed and preferably has and be filled with argon gas in 210-350 μm of cell diameter, abscess.
9. the production technology of plastic sheet according to claim 5, it is characterised in that: include plasticising in the raw material of TPU layer
Agent is preferably selected from the plasticizer of phthalic acid ester, benzoic ether, glyceride or citrate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/090985 WO2019237268A1 (en) | 2018-06-13 | 2018-06-13 | Production process for plastic sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109952184A true CN109952184A (en) | 2019-06-28 |
Family
ID=67007127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880003791.XA Pending CN109952184A (en) | 2018-06-13 | 2018-06-13 | A kind of production technology of plastic sheet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109952184A (en) |
| WO (1) | WO2019237268A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030041221A (en) * | 2001-11-19 | 2003-05-27 | 주식회사 엘지화학 | Flooring with foam layer composed of PVC and modified TPO and the method for same |
| CN102229709A (en) * | 2011-05-16 | 2011-11-02 | 四川大学 | Nontoxic, odorless and recoverable environmentally-friendly polyurethane foaming material and preparation method thereof |
| CN104194030A (en) * | 2014-08-08 | 2014-12-10 | 汕头市新力新材料科技有限公司 | Thermoplastic polyurethane elastomer foam bead and preparation method thereof |
| CN204983545U (en) * | 2015-06-29 | 2016-01-20 | 浙江晶美建材科技有限公司 | High wear resistant and non slip plastic floor |
| CN105705311A (en) * | 2013-10-29 | 2016-06-22 | 菲茨控股公司 | Method and device for manufacturing a thermoplastic sandwich structure comprising a thermoplastic foam layer and fiber-reinforced thermoplastic cover layers |
| CN107722491A (en) * | 2017-09-30 | 2018-02-23 | 浙江晶通塑胶有限公司 | Plastic floor and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150064434A1 (en) * | 2012-03-28 | 2015-03-05 | Tarkett Gdl | Multilayer Surface Covering |
-
2018
- 2018-06-13 CN CN201880003791.XA patent/CN109952184A/en active Pending
- 2018-06-13 WO PCT/CN2018/090985 patent/WO2019237268A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030041221A (en) * | 2001-11-19 | 2003-05-27 | 주식회사 엘지화학 | Flooring with foam layer composed of PVC and modified TPO and the method for same |
| CN102229709A (en) * | 2011-05-16 | 2011-11-02 | 四川大学 | Nontoxic, odorless and recoverable environmentally-friendly polyurethane foaming material and preparation method thereof |
| CN105705311A (en) * | 2013-10-29 | 2016-06-22 | 菲茨控股公司 | Method and device for manufacturing a thermoplastic sandwich structure comprising a thermoplastic foam layer and fiber-reinforced thermoplastic cover layers |
| CN104194030A (en) * | 2014-08-08 | 2014-12-10 | 汕头市新力新材料科技有限公司 | Thermoplastic polyurethane elastomer foam bead and preparation method thereof |
| CN204983545U (en) * | 2015-06-29 | 2016-01-20 | 浙江晶美建材科技有限公司 | High wear resistant and non slip plastic floor |
| CN107722491A (en) * | 2017-09-30 | 2018-02-23 | 浙江晶通塑胶有限公司 | Plastic floor and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| WO2019237268A1 (en) | 2019-12-19 |
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