CN113773548A - PS baseboard CO2Physical foaming process - Google Patents
PS baseboard CO2Physical foaming process Download PDFInfo
- Publication number
- CN113773548A CN113773548A CN202111161923.1A CN202111161923A CN113773548A CN 113773548 A CN113773548 A CN 113773548A CN 202111161923 A CN202111161923 A CN 202111161923A CN 113773548 A CN113773548 A CN 113773548A
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- CN
- China
- Prior art keywords
- cooling
- foaming process
- steps
- physical foaming
- baseboard
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- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 15
- 238000005187 foaming Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000004806 packaging method and process Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 7
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- 239000002023 wood Substances 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- 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
- C08J9/0066—Use of inorganic compounding ingredients
-
- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- 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
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Molding Of Porous Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a PS skirting CO2A physical foaming process comprising: s1: respectively absorbing the PS resin and the talcum powder by using an automatic material absorbing system, and uniformly mixing to obtain a mixture; s2: adding the mixture obtained in the above steps into a double-screw extruder through an automatic feeding system for extrusion and melting, and simultaneously injecting CO2Cooling to obtain an extruded material; s3: injecting a release agent into the extruded material, and then cooling and forming at a die opening; s4: cooling by a water cooling system; s5: then the traction system draws and cuts the cutting system; s6: and finally, packaging by a packaging system. The PS skirting CO2The physical foaming process is mechanized, the production efficiency is high, the product has smooth surface, no cracking, no deformation, light weight, beautiful appearance, heat preservation, easy transportation and transportation, and can be recycled, thereby being a productAn environment-friendly decorative material.
Description
Technical Field
The invention belongs to the technical field of production of skirting lines, and particularly relates to a PS skirting line CO2And (3) a physical foaming process.
Background
At present, the skirting in a house is generally finished by adopting wood materials and PVC (polyvinyl chloride), the wood materials are fine and dry, are easy to shrink after being wetted, generate the phenomenon of warping and deformation, are troublesome to install and expensive, and can destroy the ecological environment by using excessive wood.
The PVC material is not high temperature resistant and dry, if the room suffers the insolation of sun throughout the year, the skirting line discolours easily and even blooms, not only influences pleasing to the eye, practicality also greatly reduced. The PVC skirting line is made of special materials, the quality of the PVC skirting line is not firm, and the PVC skirting line is easy to deform, twist and even fall off after being used for several years.
Aiming at the problems of wood and PVC, the company adopts a double-screw extruder CO2The PS skirting produced by the production method and the process of the physical foaming extrusion molding has the advantages of smooth surface, no cracking, no deformation, good mechanical property, light weight, beautiful appearance and heat preservation.
Disclosure of Invention
The invention aims to provide a PS skirting CO2A physical foaming process to solve the problems proposed in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: PS baseboard CO2The PS baseboard produced by the method has smooth surface, no cracking, no deformation, good mechanical property, light weight, beautiful appearance and heat preservation, and the produced product is a hundred-percent environment-friendly green decorative material and comprises the following steps in sequence:
s1: respectively absorbing the PS resin and the talcum powder by using an automatic material absorbing system, and uniformly mixing to obtain a mixture;
s2: adding the mixture obtained in the above steps into a double-screw extruder through an automatic feeding system for extrusion and melting, and simultaneously injecting CO2Cooling to obtain an extruded material;
s3: injecting a release agent into the extruded material, and then cooling and forming at a die opening;
s4: cooling by a water cooling system;
s5: then the traction system draws and cuts the cutting system;
s6: and finally, packaging by a packaging system.
Preferably, in step S2, the temperature of each zone of the twin-screw extruder is set at 200-230 ℃.
In any of the above schemes, it is preferable that the temperature of each zone of the twin-screw extruder is set to 210-220 ℃ in step S2.
In any of the above schemes, preferably, in step S2, the temperature of the extruded material is accurately controlled by the heat exchanger and the oil temperature machine after the temperature reduction.
In any of the above embodiments, preferably, in step S2, the CO injection2The control pressure was 15 MPa.
The invention has the technical effects and advantages that: the PS skirting CO2The product has smooth surface, no cracking, no deformation, light weight, beautiful appearance, heat preservation, easy transportation and transportation, and can be recycled, thus being an environment-friendly decorative material.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example 1:
PS baseboard CO2The physical foaming process comprises the following steps in sequence:
s1: respectively absorbing the PS resin and the talcum powder by using an automatic material absorbing system, and uniformly mixing to obtain a mixture;
s2: adding the mixture obtained in the above steps into a double-screw extruder through an automatic feeding system for extrusion and melting, wherein the temperature of each area of the double-screw extruder is set to 200-230 ℃, and simultaneously injecting CO2Injection of CO2Controlling the pressure to be 15MPa, cooling to obtain an extruded material, and accurately controlling the temperature of the extruded material through a heat exchanger and an oil temperature machine after cooling;
s3: injecting a release agent into the extruded material, and then cooling and forming at a die opening;
s4: cooling by a water cooling system;
s5: then the traction system is used for traction and cutting by the cutting system, and the traction system is a traction machine;
s6: and finally, packaging by a packaging system, wherein the packaging system is a packaging machine.
Example 2:
PS baseboard CO2The physical foaming process comprises the following steps in sequence:
s1: respectively absorbing the PS resin and the talcum powder by using an automatic material absorbing system, and uniformly mixing to obtain a mixture;
s2: adding the mixture obtained in the above steps into a double-screw extruder through an automatic feeding system for extrusion and melting, setting the temperature of each area of the double-screw extruder to 210-220 ℃, and simultaneously injecting CO2Injection of CO2Controlling the pressure to be 15MPa, cooling to obtain an extruded material, and accurately controlling the temperature of the extruded material through a heat exchanger and an oil temperature machine after cooling;
s3: injecting a release agent into the extruded material, and then cooling and forming at a die opening;
s4: cooling by a water cooling system;
s5: then the traction system is used for traction and cutting by the cutting system, and the traction system is a traction machine;
s6: and finally, packaging by a packaging system, wherein the packaging system is a packaging machine.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (5)
1. PS baseboard CO2The physical foaming process is characterized by comprising the following steps: the method comprises the following steps in sequence:
s1: respectively absorbing the PS resin and the talcum powder by using an automatic material absorbing system, and uniformly mixing to obtain a mixture;
s2: adding the mixture obtained in the above steps into a double-screw extruder through an automatic feeding system for extrusion and melting, and simultaneously injecting CO2Cooling to obtain an extruded material;
s3: injecting a release agent into the extruded material, and then cooling and forming at a die opening;
s4: cooling by a water cooling system;
s5: then the traction system draws and cuts the cutting system;
s6: and finally, packaging by a packaging system.
2. The PS baseboard CO of claim 12The physical foaming process is characterized by comprising the following steps: in step S2, the temperature of each zone of the twin-screw extruder was set at 200-230 ℃.
3. The PS baseboard CO of claim 12The physical foaming process is characterized by comprising the following steps: in step S2, the temperature of each zone of the twin-screw extruder was set at 210 ℃ and 220 ℃.
4. The PS baseboard CO of claim 12The physical foaming process is characterized by comprising the following steps: in step S2, the extrusion temperature is precisely controlled by the heat exchanger and the oil temperature machine after the temperature reduction.
5. The PS baseboard CO of claim 12The physical foaming process is characterized by comprising the following steps: in step S2, the CO injection2Controlling the pressure to15MPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161923.1A CN113773548A (en) | 2021-09-30 | 2021-09-30 | PS baseboard CO2Physical foaming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161923.1A CN113773548A (en) | 2021-09-30 | 2021-09-30 | PS baseboard CO2Physical foaming process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113773548A true CN113773548A (en) | 2021-12-10 |
Family
ID=78854554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111161923.1A Pending CN113773548A (en) | 2021-09-30 | 2021-09-30 | PS baseboard CO2Physical foaming process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113773548A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10227039A1 (en) * | 2001-06-17 | 2003-03-20 | Fagerdala Benelux S A | Polystyrene particle production and molding method involves extrusion with carbon dioxide blowing agent under specific conditions and molding with steam to create skins on particles and molded product |
| CN103895202A (en) * | 2014-03-26 | 2014-07-02 | 龙口阳光机械设备有限公司 | Method for producing curtain plate of profiled bar of XPS (extruded polystyrene board) decoration strip in one-step extrusion molding manner by virtue of physical foaming process |
| CN105647044A (en) * | 2016-03-10 | 2016-06-08 | 南京法宁格节能科技股份有限公司 | Polystyrene composition and method using polystyrene composition to prepare XPS profiled decoration bars |
-
2021
- 2021-09-30 CN CN202111161923.1A patent/CN113773548A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10227039A1 (en) * | 2001-06-17 | 2003-03-20 | Fagerdala Benelux S A | Polystyrene particle production and molding method involves extrusion with carbon dioxide blowing agent under specific conditions and molding with steam to create skins on particles and molded product |
| CN103895202A (en) * | 2014-03-26 | 2014-07-02 | 龙口阳光机械设备有限公司 | Method for producing curtain plate of profiled bar of XPS (extruded polystyrene board) decoration strip in one-step extrusion molding manner by virtue of physical foaming process |
| CN105647044A (en) * | 2016-03-10 | 2016-06-08 | 南京法宁格节能科技股份有限公司 | Polystyrene composition and method using polystyrene composition to prepare XPS profiled decoration bars |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211210 |
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| RJ01 | Rejection of invention patent application after publication |