CN114907652A - Polyvinyl chloride plastic production process - Google Patents
Polyvinyl chloride plastic production process Download PDFInfo
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- CN114907652A CN114907652A CN202210193921.9A CN202210193921A CN114907652A CN 114907652 A CN114907652 A CN 114907652A CN 202210193921 A CN202210193921 A CN 202210193921A CN 114907652 A CN114907652 A CN 114907652A
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- Prior art keywords
- polyvinyl chloride
- materials
- plasticizer
- stabilizer
- parts
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- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 36
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 33
- 229920003023 plastic Polymers 0.000 title claims abstract description 28
- 239000004033 plastic Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000004014 plasticizer Substances 0.000 claims abstract description 20
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 17
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 17
- 239000003381 stabilizer Substances 0.000 claims abstract description 17
- 239000003086 colorant Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 239000005060 rubber Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 8
- 238000004132 cross linking Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 claims description 3
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical group [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 3
- 239000006084 composite stabilizer Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- VYQNWZOUAUKGHI-UHFFFAOYSA-N monobenzone Chemical group C1=CC(O)=CC=C1OCC1=CC=CC=C1 VYQNWZOUAUKGHI-UHFFFAOYSA-N 0.000 claims description 3
- 239000012257 stirred material Substances 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- CLMFECCMAVQYQA-UHFFFAOYSA-N nonylcyclohexane Chemical compound CCCCCCCCCC1CCCCC1 CLMFECCMAVQYQA-UHFFFAOYSA-N 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 carboxylic acid nonyl ester Chemical class 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- 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
- C08J2327/00—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 a halogen; Derivatives of such polymers
- C08J2327/02—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08J2400/00—Characterised by the use of unspecified polymers
-
- 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
- C08J2421/00—Characterised by the use of unspecified rubbers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- 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 polyvinyl chloride plastic formula which comprises the following materials: polyvinyl chloride, resin, rubber, a stabilizer, a plasticizer, a coloring agent and an antioxidant, wherein the polyvinyl chloride, the resin and the rubber are placed in a crusher to be crushed, the crushed materials are screened, the screened materials are introduced into a stirrer, the stabilizer, the plasticizer, the coloring agent and the antioxidant are introduced in batches during the process, the materials after being uniformly stirred are introduced into a feed hopper of an injection molding machine, then the injection molding machine is started, polyvinyl chloride plastic products are extruded, the extruded materials are cooled by water and cut into particles, the materials after being cut into particles are introduced into irradiation crosslinking equipment to be subjected to irradiation operation, and then finished products are obtained. According to the production process of the polyvinyl chloride plastic, provided by the invention, the crushing and screening operation is carried out before the material injection molding, so that the integral quality of the molded material can be ensured, no internal residue is generated, and the integral plastic is finer and has better quality.
Description
Technical Field
The invention relates to the field of plastic production, in particular to a polyvinyl chloride plastic production process.
Background
The plastic is widely applied and is an indispensable component in household appliances, automobiles, mobile phones, PCs, medical appliances and lighting appliances. With the continuous and stable growth of economy in China, industries such as household appliances, automobiles, mobile phones, PCs, medical appliances and the like benefit from good external environments, rapid development is also realized, and the development of downstream industries further draws the demand on plastics.
However, in the production of the traditional plastic production process, part of material particles are not melted, so that the overall quality is influenced.
Based on the above, the invention designs a polyvinyl chloride plastic production process to solve the above problems.
Disclosure of Invention
The invention aims to provide a polyvinyl chloride plastic production process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the polyvinyl chloride plastic formula is characterized by comprising the following materials: polyvinyl chloride, resin, rubber, a stabilizer, a plasticizer, a coloring agent and an antioxidant.
As a further scheme of the invention, the materials are as follows according to the weight ratio: 50-65 parts of polyvinyl chloride, 20-25 parts of resin, 25-40 parts of rubber, 5-8 parts of stabilizer, 5-15 parts of plasticizer, 0-5 parts of colorant and 2-5 parts of antioxidant.
As a further scheme of the invention, the method comprises the following steps:
the method comprises the following steps: putting polyvinyl chloride, resin and rubber into a crusher for crushing;
step two: screening the crushed materials;
step three: introducing the screened materials into a stirrer, and introducing a stabilizer, a plasticizer, a coloring agent and an antioxidant in batches during the process;
step four: introducing the uniformly stirred materials into a feed hopper of an injection molding machine, and then starting the injection molding machine to extrude the polyvinyl chloride plastic product;
step five: cooling the extruded material with water, and pelletizing;
step six: and guiding the granulated material into irradiation cross-linking equipment for irradiation operation, and further obtaining a finished product.
As a further scheme of the invention, the stabilizer is a calcium-zinc composite stabilizer, the plasticizer is an environment-friendly plasticizer cyclohexane 1,2 nonyl carboxylate, and the antioxidant is Alba or 1010.
As a further scheme of the invention, the aperture of the screen in the screening step in the second step is 0.05 mm.
As a further scheme of the invention, the stabilizing agent, the plasticizer, the colorant and the antioxidant in the step three are introduced into the interior of the stirrer in three batches, wherein the stirring time of the stirrer is set to be 15-30 minutes.
According to a further scheme of the invention, the temperature of the charging barrel in the injection molding machine in the fourth step is set to be 150-180 ℃.
As a further scheme of the invention, the irradiation crosslinking equipment in the sixth step is electron accelerator irradiation or cobalt 60 irradiation, and the irradiation dose is 25kGy-100 kGy.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the operation of crushing and screening is carried out before the material injection molding, so that the integral quality of the molded material can be ensured, no internal residue is generated, and the integral plastic is finer and has better quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
FIG. 1 is a schematic view of a process for producing polyvinyl chloride plastic according to 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.
As shown in fig. 1, the invention provides a polyvinyl chloride plastic formula, which is characterized by comprising the following materials: polyvinyl chloride, resin, rubber, a stabilizer, a plasticizer, a coloring agent and an antioxidant.
According to the scheme of the invention, the materials are as follows according to the weight ratio: 50-65 parts of polyvinyl chloride, 20-25 parts of resin, 25-40 parts of rubber, 5-8 parts of stabilizer, 5-15 parts of plasticizer, 0-5 parts of colorant and 2-5 parts of antioxidant.
Through the scheme of the invention, the method comprises the following steps:
the method comprises the following steps: putting polyvinyl chloride, resin and rubber into a crusher for crushing operation;
step two: screening the crushed materials;
step three: introducing the screened materials into a stirrer, and introducing a stabilizer, a plasticizer, a coloring agent and an antioxidant in batches during the process;
step four: introducing the uniformly stirred materials into a feed hopper of an injection molding machine, and then starting the injection molding machine to extrude the polyvinyl chloride plastic product;
step five: cooling the extruded material by water, and granulating;
step six: and guiding the granulated material into irradiation cross-linking equipment for irradiation operation, and further obtaining a finished product.
According to the scheme, the stabilizer is a calcium-zinc composite stabilizer, the plasticizer is an environment-friendly plasticizer cyclohexane 1,2 carboxylic acid nonyl ester, and the antioxidant is Alba or 1010.
According to the scheme of the invention, the aperture of the screen in the screening step in the second step is 0.05 mm.
Through the scheme of the invention, the stabilizer, the plasticizer, the colorant and the antioxidant in the third step are introduced into the stirrer in three batches, wherein the stirring time of the stirrer is set to be 15-30 minutes.
Through the scheme of the invention, the temperature of the charging barrel in the injection molding machine in the fourth step is set to be 150-180 ℃.
Through the scheme of the invention, the irradiation crosslinking equipment in the sixth step is electron accelerator irradiation or cobalt 60 irradiation, and the irradiation dose is 25kGy-100 kGy.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The polyvinyl chloride plastic formula is characterized by comprising the following materials: polyvinyl chloride, resin, rubber, a stabilizer, a plasticizer, a coloring agent and an antioxidant.
2. The polyvinyl chloride plastic formula according to claim 1, wherein the materials are as follows by weight: 50-65 parts of polyvinyl chloride, 20-25 parts of resin, 25-40 parts of rubber, 5-8 parts of stabilizer, 5-15 parts of plasticizer, 0-5 parts of colorant and 2-5 parts of antioxidant.
3. The polyvinyl chloride plastic production process according to claim 1, comprising the steps of:
the method comprises the following steps: putting polyvinyl chloride, resin and rubber into a crusher for crushing;
step two: screening the crushed materials;
step three: introducing the screened materials into a stirrer, and introducing a stabilizer, a plasticizer, a coloring agent and an antioxidant in batches during the process;
step four: introducing the uniformly stirred materials into a feed hopper of an injection molding machine, and then starting the injection molding machine to extrude the polyvinyl chloride plastic product;
step five: cooling the extruded material with water, and pelletizing;
step six: and guiding the granulated material into irradiation cross-linking equipment for irradiation operation, and further obtaining a finished product.
4. The polyvinyl chloride plastic formulation as claimed in claim 1, wherein the stabilizer is a calcium zinc composite stabilizer, the plasticizer is an environment-friendly plasticizer of nonyl cyclohexane 1,2 carboxylate, and the antioxidant is Alba or 1010.
5. The process for producing polyvinyl chloride plastics according to claim 3, wherein the mesh size in the screening step in the second step is 0.05 mm.
6. The process for producing polyvinyl chloride plastics according to claim 3, wherein the stabilizer, the plasticizer, the colorant and the antioxidant in the third step are introduced into the mixer in three batches, wherein the mixing time of the mixer is set to 15-30 minutes.
7. The process for producing polyvinyl chloride plastics according to claim 3, wherein the temperature of the cylinder inside the injection molding machine in the fourth step is set to 150 to 180 ℃.
8. The polyvinyl chloride plastic production process according to claim 3, wherein the irradiation crosslinking equipment in the sixth step is electron accelerator irradiation or cobalt 60 irradiation, and the irradiation dose is 25kGy-100 kGy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193921.9A CN114907652A (en) | 2022-03-01 | 2022-03-01 | Polyvinyl chloride plastic production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210193921.9A CN114907652A (en) | 2022-03-01 | 2022-03-01 | Polyvinyl chloride plastic production process |
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| CN114907652A true CN114907652A (en) | 2022-08-16 |
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| CN202210193921.9A Pending CN114907652A (en) | 2022-03-01 | 2022-03-01 | Polyvinyl chloride plastic production process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415657A (en) * | 2002-11-12 | 2003-05-07 | 上海氯碱化工股份有限公司 | Radiation crosslinking polyvinyl chloride material and its prepn. method |
| CN110003584A (en) * | 2019-04-11 | 2019-07-12 | 安徽集虹材料科技有限公司 | A kind of wear-resisting Masterbatch of antibacterial and preparation method thereof |
| CN111269506A (en) * | 2020-03-30 | 2020-06-12 | 海南六八鸿昌兴科技股份有限公司 | Sun-proof high-flame-retardant polyvinyl chloride cable material |
| CN113969028A (en) * | 2021-11-24 | 2022-01-25 | 广东领亚新材料科技有限公司 | High-strength high-temperature-resistant irradiation cross-linked polyvinyl chloride insulated wire material |
-
2022
- 2022-03-01 CN CN202210193921.9A patent/CN114907652A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415657A (en) * | 2002-11-12 | 2003-05-07 | 上海氯碱化工股份有限公司 | Radiation crosslinking polyvinyl chloride material and its prepn. method |
| CN110003584A (en) * | 2019-04-11 | 2019-07-12 | 安徽集虹材料科技有限公司 | A kind of wear-resisting Masterbatch of antibacterial and preparation method thereof |
| CN111269506A (en) * | 2020-03-30 | 2020-06-12 | 海南六八鸿昌兴科技股份有限公司 | Sun-proof high-flame-retardant polyvinyl chloride cable material |
| CN113969028A (en) * | 2021-11-24 | 2022-01-25 | 广东领亚新材料科技有限公司 | High-strength high-temperature-resistant irradiation cross-linked polyvinyl chloride insulated wire material |
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Application publication date: 20220816 |