CN113059716A - PVC film particle production process - Google Patents
PVC film particle production process Download PDFInfo
- Publication number
- CN113059716A CN113059716A CN202110338595.1A CN202110338595A CN113059716A CN 113059716 A CN113059716 A CN 113059716A CN 202110338595 A CN202110338595 A CN 202110338595A CN 113059716 A CN113059716 A CN 113059716A
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- China
- Prior art keywords
- pvc film
- raw material
- pvc
- production process
- film particle
- 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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- 239000002245 particle Substances 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000004898 kneading Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 238000007670 refining Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 75
- 239000004800 polyvinyl chloride Substances 0.000 claims description 75
- 239000012528 membrane Substances 0.000 claims description 20
- 238000009775 high-speed stirring Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a production process of PVC film particles, which comprises the following steps of firstly, selecting materials and burdening; step two, heating and mixing; step three, cooling the materials; stirring and kneading; step five, mixing and agglomerating; step six, refining and processing; seventhly, filtering and removing impurities; in the second step, the stirring speed of the stirrer is 500-700 r/min; in the third step, the cooling is stopped until the raw material is cooled to 40-50 ℃; in the fourth step, the stirring time is 10-15min, and the kneading temperature is 80-120 ℃; in the seventh step, the material is filtered by passing through a 20-mesh filter screen, a 50-70-mesh filter screen and a 120-150-mesh filter screen in sequence; the PVC film particles are safe and reliable, the production process steps of the PVC film particles are simple, the particle size of the produced PVC film particles is uniform through multi-layer multi-time filtration treatment, and the PVC film produced and processed through the PVC film particles is uniform in plasticizing, has high flexibility, is not easy to tear, has long service life and is convenient to popularize and use.
Description
Technical Field
The invention relates to the technical field of PVC membrane particles, in particular to a production process of PVC membrane particles.
Background
The PVC film has the excellent characteristics of rain resistance, fire resistance, static resistance, easy forming and the like, so certain requirements are met for the production process of certain PVC film particles in the market; however, the existing production process of the PVC film particles is complex, the particle size of the PVC film particle powder is not uniform enough, the plasticization is not uniform enough, the produced and processed PVC film has general flexibility and short service life; therefore, the invention provides a production process of PVC film particles at the present stage.
Disclosure of Invention
The invention aims to provide a production process of PVC membrane particles, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the production process of the PVC film particles comprises the following steps of firstly, selecting materials and burdening; step two, heating and mixing; step three, cooling the materials; kneading into balls; step five, refining and processing; step six, filtering and removing impurities;
firstly, selecting a polyvinyl chloride resin material, a calcium carbonate material, a nano calcium material, a phthalate material, epoxidized soybean oil and a liquid stabilizer to mix to prepare a main material of the PVC membrane particles, and then selecting titanium dioxide, a powder stabilizer and a processing aid to mix to prepare an auxiliary material of the PVC membrane particles;
in the second step, firstly, a high-speed stirrer is used for carrying out high-speed stirring treatment on the main material prepared in the first step, then the ingredients prepared in the first step are put into the high-speed stirrer to be mixed with the main material, and high-speed stirring treatment is carried out again to fully mix the main material and the ingredients to prepare a powdery PVC film particle raw material;
in the third step, firstly, the PVC film particle raw material prepared in the second step is cooled, and then the cooled powdery PVC film particle raw material is dried;
in the fourth step, firstly, the PVC film particle raw material obtained after cooling and drying in the third step is put into a kneader to be stirred and kneaded, and then the kneaded PVC film particle raw material is put into a mixer to be mixed and kneaded into a mass;
putting the PVC film particle agglomerate prepared in the fourth step into a refiner for refining and processing to prepare a plastic material;
and in the sixth step, firstly, putting the PVC membrane particle plastic material prepared in the fifth step into filtering equipment, and filtering and impurity removing to obtain a finished product of the PVC membrane particle.
According to the above technical scheme, in the second step, the high-speed stirring time of the high-speed stirrer is 30-60s, and the stirring speed of the high-speed stirrer is 500-700 r/min.
According to the technical scheme, in the second step, when the main material and the auxiliary materials are mixed and stirred, the stirring is stopped until the temperature of the raw material of the PVC film particles prepared by mixing is raised to 120 ℃.
According to the technical scheme, in the third step, the cooling operation is stopped until the PVC film particle raw material is cooled to 40-50 ℃.
According to the technical scheme, in the fourth step, the stirring time of the PVC film particle raw material is 10-15min, and the kneading temperature of the PVC film particle raw material is 80-120 ℃.
According to the technical scheme, in the sixth step, the filtering mode is three-layer filtering, and the PVC membrane particle raw material is sequentially filtered by a filter screen of 20 meshes, a filter screen of 50-70 meshes and a filter screen of 120-150 meshes.
Compared with the prior art, the invention has the following beneficial effects: the PVC film particles produced by the method have uniform particle size through multi-layer multi-time filtration treatment, and the PVC film produced by the PVC film particles has uniform plasticizing, high flexibility, difficult tearing, long service life and convenient popularization and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the production process of the PVC film particles comprises the following steps of firstly, selecting materials and burdening; step two, heating and mixing; step three, cooling the materials; kneading into balls; step five, refining and processing; step six, filtering and removing impurities;
firstly, selecting a polyvinyl chloride resin material, a calcium carbonate material, a nano calcium material, a phthalate material, epoxidized soybean oil and a liquid stabilizer to mix to prepare a main material of the PVC membrane particles, and then selecting titanium dioxide, a powder stabilizer and a processing aid to mix to prepare an auxiliary material of the PVC membrane particles;
in the second step, firstly, a high-speed stirrer is used for carrying out high-speed stirring treatment on the main material prepared in the first step, the high-speed stirring time of the high-speed stirrer is 30-60s, the stirring speed of the high-speed stirrer is 500-700r/min, then the ingredients prepared in the first step are put into the high-speed stirrer to be mixed with the main material, and the high-speed stirring treatment is carried out again to fully mix the main material and the ingredients until the temperature of the PVC membrane particle raw material prepared by mixing is raised to 120 ℃, and the stirring is stopped to prepare powdery PVC membrane particle raw material;
in the third step, the PVC film particle raw material prepared in the second step is cooled firstly, the cooling operation is stopped until the PVC film particle raw material is cooled to 40-50 ℃, and then the cooled powdery PVC film particle raw material is dried;
in the fourth step, firstly, the PVC film particle raw material obtained after cooling and drying in the third step is put into a kneader to be stirred and kneaded, the stirring time of the PVC film particle raw material is 10-15min, the kneading temperature is 80-120 ℃, and then the kneaded PVC film particle raw material is put into a mixer to be mixed and kneaded into a mass;
putting the PVC film particle agglomerate prepared in the fourth step into a refiner for refining and processing to prepare a plastic material;
and in the sixth step, firstly putting the PVC membrane particle plastic material prepared in the fifth step into filtering equipment, and carrying out filtering and impurity removal processing, wherein the filtering mode is three-layer filtering, and the PVC membrane particle raw material is sequentially filtered by a filter screen of 20 meshes, a filter screen of 50-70 meshes and a filter screen of 120-150 meshes to prepare a finished product of the PVC membrane particle.
Based on the above, the PVC film particle production process has the advantages that the PVC film particle production process is safe and reliable, compared with the traditional PVC film particle production process, the PVC film particle production process is simple in steps, multiple layers of multiple filtration treatment are adopted, PVC film particles with uniform particle sizes can be produced conveniently, and the PVC film produced and processed by the PVC film particles has the excellent characteristics of uniform plasticization, high flexibility, difficulty in tearing, long service life and the like, and is convenient to popularize and use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A production process of PVC film particles comprises the following steps of, firstly, selecting materials and burdening; step two, heating and mixing; step three, cooling the materials; kneading into balls; step five, refining and processing; step six, filtering and removing impurities; the method is characterized in that:
firstly, selecting a polyvinyl chloride resin material, a calcium carbonate material, a nano calcium material, a phthalate material, epoxidized soybean oil and a liquid stabilizer to mix to prepare a main material of the PVC membrane particles, and then selecting titanium dioxide, a powder stabilizer and a processing aid to mix to prepare an auxiliary material of the PVC membrane particles;
in the second step, firstly, a high-speed stirrer is used for carrying out high-speed stirring treatment on the main material prepared in the first step, then the ingredients prepared in the first step are put into the high-speed stirrer to be mixed with the main material, and high-speed stirring treatment is carried out again to fully mix the main material and the ingredients to prepare a powdery PVC film particle raw material;
in the third step, firstly, the PVC film particle raw material prepared in the second step is cooled, and then the cooled powdery PVC film particle raw material is dried;
in the fourth step, firstly, the PVC film particle raw material obtained after cooling and drying in the third step is put into a kneader to be stirred and kneaded, and then the kneaded PVC film particle raw material is put into a mixer to be mixed and kneaded into a mass;
putting the PVC film particle agglomerate prepared in the fourth step into a refiner for refining and processing to prepare a plastic material;
and in the sixth step, firstly, putting the PVC membrane particle plastic material prepared in the fifth step into filtering equipment, and filtering and impurity removing to obtain a finished product of the PVC membrane particle.
2. The PVC film particle production process of claim 1, wherein: in the second step, the high-speed stirring time of the high-speed stirrer is 30-60s, and the stirring speed of the high-speed stirrer is 500-700 r/min.
3. The PVC film particle production process of claim 1, wherein: and in the second step, when the main material and the auxiliary materials are mixed and stirred, stopping stirring until the temperature of the raw material of the PVC film particles prepared by mixing is raised to 120 ℃.
4. The PVC film particle production process of claim 1, wherein: and in the third step, stopping cooling until the PVC film particle raw material is cooled to 40-50 ℃.
5. The PVC film particle production process of claim 1, wherein: in the fourth step, the stirring time of the raw material of the PVC film particles is 10-15min, and the kneading temperature of the raw material of the PVC film particles is 80-120 ℃.
6. The PVC film particle production process of claim 1, wherein: in the sixth step, the filtration mode is three-layer filtration, and the PVC membrane particle raw material is sequentially filtered by a filter screen of 20 meshes, a filter screen of 50-70 meshes and a filter screen of 120-150 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110338595.1A CN113059716A (en) | 2021-03-30 | 2021-03-30 | PVC film particle production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110338595.1A CN113059716A (en) | 2021-03-30 | 2021-03-30 | PVC film particle production process |
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| Publication Number | Publication Date |
|---|---|
| CN113059716A true CN113059716A (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110338595.1A Pending CN113059716A (en) | 2021-03-30 | 2021-03-30 | PVC film particle production process |
Country Status (1)
| Country | Link |
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| CN (1) | CN113059716A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090020899A1 (en) * | 2006-11-09 | 2009-01-22 | Katsuru Matsumoto | Method of manufacturing resin particles |
| CN103923413A (en) * | 2014-04-11 | 2014-07-16 | 浙江铭龙塑胶有限公司 | PVC (Polyvinyl Chloride) film and production process thereof |
| CN104786511A (en) * | 2015-03-28 | 2015-07-22 | 安徽松泰包装材料有限公司 | Production process of PVC decorative membrane |
-
2021
- 2021-03-30 CN CN202110338595.1A patent/CN113059716A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090020899A1 (en) * | 2006-11-09 | 2009-01-22 | Katsuru Matsumoto | Method of manufacturing resin particles |
| CN103923413A (en) * | 2014-04-11 | 2014-07-16 | 浙江铭龙塑胶有限公司 | PVC (Polyvinyl Chloride) film and production process thereof |
| CN104786511A (en) * | 2015-03-28 | 2015-07-22 | 安徽松泰包装材料有限公司 | Production process of PVC decorative membrane |
Non-Patent Citations (2)
| Title |
|---|
| 潘永康等，化学工业出版社, 化学工业出版社 * |
| 邓克文等: ""湿法超白超细碳酸钙在PVC压延膜中的应用"", 《山东化工》 * |
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Application publication date: 20210702 |