CN114013002A - Production process of micro-foaming PVC (polyvinyl chloride) plate - Google Patents
Production process of micro-foaming PVC (polyvinyl chloride) plate Download PDFInfo
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- CN114013002A CN114013002A CN202111298672.1A CN202111298672A CN114013002A CN 114013002 A CN114013002 A CN 114013002A CN 202111298672 A CN202111298672 A CN 202111298672A CN 114013002 A CN114013002 A CN 114013002A
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- Prior art keywords
- parts
- cooling
- foaming
- mixing
- pvc
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Classifications
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
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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
- 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
- B29C44/22—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
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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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
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- 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
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
The invention discloses a production process of a micro-foaming PVC plate, which comprises the following steps: s1, blending; s2 mixing materials; s3 extruding; s4 film pasting; s5 molding; s6, cooling; and S7 cutting. According to the invention, the foaming agent and the foaming regulator are added into the raw materials, so that the prepared PVC sheet can be subjected to micro foaming, the weight of the sheet is light, the production cost is effectively reduced, and meanwhile, the strength of the sheet can be effectively ensured and the sheet is not easy to damage.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of plates, in particular to the technical field of PVC plates.
[ background of the invention ]
PVC board is a kind of commonly used panel, and its application is comparatively extensive. Existing PVC sheets tend to be solid or fully foamed. Solid PVC plates are heavier, require more material, and are more costly. The fully foamed PVC board has poor strength, is easy to damage and is inconvenient to install.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a production process of a micro-foaming PVC plate, which can ensure that the PVC plate has lighter weight and reduces the production cost while ensuring the strength.
In order to realize the purpose, the invention provides a production process of a micro-foaming PVC plate, which comprises the following steps:
s1, batching: weighing 30-80 parts of PVC resin, 100 parts of calcium carbonate, 200 parts of environment-friendly stabilizer, 2-8 parts of processing aid, 0.2-0.7 part of foaming agent, 1.5-6.5 parts of foaming regulator, 0.5-2 parts of PE wax and 0.5-2 parts of internal lubricant according to the weight parts;
s2 mixing: putting the raw materials into a high-speed hot mixing pot for stirring and mixing, and after mixing, putting the raw materials into a cold mixing pot for cooling and continuously stirring;
s3 extrusion: putting the mixed raw materials into an extruder for extrusion;
s4 film pasting: introducing the plate extruded from the extruder into a film sticking machine for sticking a film in a hot sticking mode;
s5 forming: introducing the filmed plate into a forming machine for forming;
s6, cooling: cooling the formed plate;
s7 cutting: and cutting the cooled plate according to the designed size.
The environment-friendly stabilizer is WD-3, the processing aid is P-105, the foaming agent is J-200, the foaming regulator is P-530, the PE wax is 1020 wax, and the internal lubricant is G-60.
Preferably, the temperature of the hot pot in the mixing in the step S2 is raised to 110-130 ℃ from normal temperature, and the temperature raising time is 3-8 minutes.
Preferably, the mixture in the mixing of the step S2 is cooled to 45-55 ℃ in a cold mixing pot in a natural cooling mode.
Preferably, in the step S3, the screw temperature of the extruder in the extrusion is 200 ℃, 195 ℃, 190 ℃ and the die temperature is 190 ℃ in sequence from the feeding side to the discharging side.
Preferably, the cooling in step S6 is performed by natural cooling.
The invention has the beneficial effects that: according to the invention, the foaming agent and the foaming regulator are added into the raw materials, so that the prepared PVC sheet can be subjected to micro foaming, the weight of the sheet is light, the production cost is effectively reduced, and meanwhile, the strength of the sheet can be effectively ensured and the sheet is not easy to damage.
The features and advantages of the present invention will be described in detail by way of examples.
[ detailed description ] embodiments
The invention relates to a production process of a micro-foaming PVC plate, which comprises the following steps:
s1, batching: weighing 30-80 parts of PVC resin, 200 parts of calcium carbonate, 4-7 parts of environment-friendly stabilizer, 2-8 parts of processing aid, 0.2-0.7 part of foaming agent, 1.5-6.5 parts of foaming regulator, 0.5-2 parts of PE wax and 0.5-2 parts of internal lubricant according to the weight parts, preferably 50 parts of PVC resin, 150 parts of calcium carbonate, 5-5.5 parts of environment-friendly stabilizer, 3-5 parts of processing aid, 0.35-0.6 part of foaming agent, 2-5 parts of foaming regulator, 1-1.5 parts of PE wax and 1-1.5 parts of internal lubricant.
S2 mixing: putting the raw materials into a high-speed hot mixing pot for stirring and mixing, and after mixing, putting the raw materials into a cold mixing pot for cooling and continuously stirring;
s3 extrusion: putting the mixed raw materials into an extruder for extrusion;
s4 film pasting: introducing the plate extruded from the extruder into a film sticking machine for sticking a film in a hot sticking mode;
s5 forming: introducing the filmed plate into a forming machine for forming;
s6, cooling: cooling the formed plate;
s7 cutting: and cutting the cooled plate according to the designed size.
The environment-friendly stabilizer is WD-3, the processing aid is P-105, the foaming agent is J-200, the foaming regulator is P-530, the PE wax is 1020 wax, and the internal lubricant is G-60.
And in the step S2, the temperature of the heating pot in the mixed material is increased from the normal temperature to 110-130 ℃, the temperature rising time is 3-8 minutes, the preferable temperature rising temperature is 120 ℃, and the temperature rising time is 5 minutes.
The mixture in the mixing material of the step S2 is cooled to 45-55 ℃ in a cold mixing pot in a natural cooling mode, and the preferred cooling temperature is 50 DEG C
The screw temperature of the extruder in the extrusion in the step S3 is 200 ℃, 195 ℃, 190 ℃ and 190 ℃ in sequence from the feeding side to the discharging side, and the die temperature is 190 ℃.
In the step S6, cooling is performed by natural cooling.
The working process of the invention is as follows:
in the working process of the production process of the micro-foaming PVC plate, the foaming agent and the foaming regulator are added into the raw materials, so that the prepared PVC plate can be micro-foamed, the weight of the plate is light, the production cost is effectively reduced, and meanwhile, the strength of the plate can be effectively ensured and is not easy to damage.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. A production process of a micro-foaming PVC plate is characterized by comprising the following steps: the method comprises the following steps:
s1, batching: weighing 30-80 parts of PVC resin, 100 parts of calcium carbonate, 200 parts of environment-friendly stabilizer, 2-8 parts of processing aid, 0.2-0.7 part of foaming agent, 1.5-6.5 parts of foaming regulator, 0.5-2 parts of PE wax and 0.5-2 parts of internal lubricant according to the weight parts;
s2 mixing: putting the raw materials into a high-speed hot mixing pot for stirring and mixing, and after mixing, putting the raw materials into a cold mixing pot for cooling and continuously stirring;
s3 extrusion: putting the mixed raw materials into an extruder for extrusion;
s4 film pasting: introducing the plate extruded from the extruder into a film sticking machine for sticking a film in a hot sticking mode;
s5 forming: introducing the filmed plate into a forming machine for forming;
s6, cooling: cooling the formed plate;
s7 cutting: and cutting the cooled plate according to the designed size.
2. The process for producing a microfoamed PVC plate according to claim 1, wherein: the environment-friendly stabilizer is WD-3, the processing aid is P-105, the foaming agent is J-200, the foaming regulator is P-530, the PE wax is 1020 wax, and the internal lubricant is G-60.
3. The process for producing a microfoamed PVC plate according to claim 1, wherein: and in the step S2, the temperature of the heating pot in the mixed material is increased to 110-130 ℃ from the normal temperature, and the heating time is 3-8 minutes.
4. The process for producing a microfoamed PVC plate according to claim 1, wherein: and cooling the mixture in the mixing material of the step S2 to 45-55 ℃ in a cold mixing pot in a natural cooling mode.
5. The process for producing a microfoamed PVC plate according to claim 1, wherein: the screw temperature of the extruder in the extrusion in the step S3 is 200 ℃, 195 ℃, 190 ℃ and 190 ℃ in sequence from the feeding side to the discharging side, and the die temperature is 190 ℃.
6. The process for producing a microfoamed PVC plate according to claim 1, wherein: in the step S6, cooling is performed by natural cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298672.1A CN114013002A (en) | 2021-11-04 | 2021-11-04 | Production process of micro-foaming PVC (polyvinyl chloride) plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298672.1A CN114013002A (en) | 2021-11-04 | 2021-11-04 | Production process of micro-foaming PVC (polyvinyl chloride) plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114013002A true CN114013002A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111298672.1A Pending CN114013002A (en) | 2021-11-04 | 2021-11-04 | Production process of micro-foaming PVC (polyvinyl chloride) plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN114013002A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407613A (en) * | 2008-10-30 | 2009-04-15 | 胡大忠 | PVC foaming architectural decoration material and preparation technique thereof |
| CN104292696A (en) * | 2014-09-30 | 2015-01-21 | 山东瑞丰高分子材料股份有限公司 | Polyvinyl chloride (PVC) foamed sheet and preparation method thereof |
| CN107540981A (en) * | 2016-12-05 | 2018-01-05 | 温州尚居环保科技有限公司 | Fire-resistant smoke-inhibiting PVC base fine foaming wood plastic composite materials and preparation method thereof |
| CN108976639A (en) * | 2017-06-01 | 2018-12-11 | 中木同创（武汉）新型装饰材料有限公司 | The production method of nano-high molecule bamboo and woods fiber integrated wall plate |
| CN109575473A (en) * | 2018-11-29 | 2019-04-05 | 安徽可尔海思塑业有限公司 | The widely used heat preservation PVC board of one kind and its production method |
| CN110819026A (en) * | 2018-08-09 | 2020-02-21 | 山东瑞丰高分子材料股份有限公司燕崖分公司 | Preparation method of high-gloss low-shrinkage foaming board |
| CN111100403A (en) * | 2019-12-30 | 2020-05-05 | 山东博拓新材料科技股份有限公司 | PVC wood-plastic foaming antibacterial plate and preparation method thereof |
| CN112143134A (en) * | 2020-09-27 | 2020-12-29 | 新宏港塑业(广东)有限公司 | PVC co-extrusion antibacterial plate and preparation method thereof |
-
2021
- 2021-11-04 CN CN202111298672.1A patent/CN114013002A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407613A (en) * | 2008-10-30 | 2009-04-15 | 胡大忠 | PVC foaming architectural decoration material and preparation technique thereof |
| CN104292696A (en) * | 2014-09-30 | 2015-01-21 | 山东瑞丰高分子材料股份有限公司 | Polyvinyl chloride (PVC) foamed sheet and preparation method thereof |
| CN107540981A (en) * | 2016-12-05 | 2018-01-05 | 温州尚居环保科技有限公司 | Fire-resistant smoke-inhibiting PVC base fine foaming wood plastic composite materials and preparation method thereof |
| CN108976639A (en) * | 2017-06-01 | 2018-12-11 | 中木同创（武汉）新型装饰材料有限公司 | The production method of nano-high molecule bamboo and woods fiber integrated wall plate |
| CN110819026A (en) * | 2018-08-09 | 2020-02-21 | 山东瑞丰高分子材料股份有限公司燕崖分公司 | Preparation method of high-gloss low-shrinkage foaming board |
| CN109575473A (en) * | 2018-11-29 | 2019-04-05 | 安徽可尔海思塑业有限公司 | The widely used heat preservation PVC board of one kind and its production method |
| CN111100403A (en) * | 2019-12-30 | 2020-05-05 | 山东博拓新材料科技股份有限公司 | PVC wood-plastic foaming antibacterial plate and preparation method thereof |
| CN112143134A (en) * | 2020-09-27 | 2020-12-29 | 新宏港塑业(广东)有限公司 | PVC co-extrusion antibacterial plate and preparation method thereof |
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