CN114989628A - Production process of antioxidant plastic particles - Google Patents
Production process of antioxidant plastic particles Download PDFInfo
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- CN114989628A CN114989628A CN202210548583.6A CN202210548583A CN114989628A CN 114989628 A CN114989628 A CN 114989628A CN 202210548583 A CN202210548583 A CN 202210548583A CN 114989628 A CN114989628 A CN 114989628A
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- crushed aggregates
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- 229920003023 plastic Polymers 0.000 title claims abstract description 25
- 239000004033 plastic Substances 0.000 title claims abstract description 25
- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 18
- 239000002245 particle Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 58
- 239000002994 raw material Substances 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000004898 kneading Methods 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000008187 granular material Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 238000001125 extrusion Methods 0.000 claims description 22
- 238000005554 pickling Methods 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 6
- JQXYBDVZAUEPDL-UHFFFAOYSA-N 2-methylidene-5-phenylpent-4-enoic acid Chemical compound OC(=O)C(=C)CC=CC1=CC=CC=C1 JQXYBDVZAUEPDL-UHFFFAOYSA-N 0.000 claims description 5
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000003508 Dilauryl thiodipropionate Substances 0.000 claims description 5
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 238000005054 agglomeration Methods 0.000 claims description 5
- 230000002776 aggregation Effects 0.000 claims description 5
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 claims description 5
- 235000019304 dilauryl thiodipropionate Nutrition 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- 239000012459 cleaning agent Substances 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 229920000426 Microplastic Polymers 0.000 claims 7
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000011362 coarse particle Substances 0.000 description 4
- -1 acrylic ester Chemical class 0.000 description 3
- 238000003860 storage Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
Landscapes
- 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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a production process of antioxidant plastic particles, which comprises the steps of crushing S1 raw materials, and crushing the recovered or purchased raw materials into small blocks; s2 cleaning the crushed aggregates, cleaning off some dirt impurities and the like on the raw materials, S3 centrifugally dewatering the crushed aggregates, and dewatering the crushed aggregates; s4, drying the crushed aggregates, and further removing moisture of the crushed aggregates; s5, magnetically absorbing to remove metal impurities, and removing metal substances attached to the crushed aggregates; s6 pretreatment of auxiliary materials; s7, mixing the raw materials; s8 kneading; s9 extruding and molding; s10, cooling the material strips; and S11 cutting into granules and drying. The invention has the beneficial effects that: in the preparation process, the preparation process is simple, the prepared plastic has the characteristics of high-efficiency oxidation resistance, strong oxidation resistance effect and long duration, and the cost of the adopted raw materials is low.
Description
Technical Field
The invention relates to the field of plastic particle production, in particular to a production process of antioxidant plastic particles.
Background
Plastics are plastic (flexible) materials formed by processing and molding synthetic resins with high molecular weight as the main component and adding appropriate additives, such as plasticizers, stabilizers, antioxidants, flame retardants, colorants, etc., or rigid materials formed by curing and crosslinking, and are widely used and are virtually indispensable in our daily lives.
The existing plastics also have some defects, such as poor oxidation resistance, easy color change caused by oxidation after the storage of the particles or the manufacture of the particles into other plastic products, influence on the product quality and simultaneously are not beneficial to long-term storage of the plastic particles.
Disclosure of Invention
Technical problem to be solved
The existing plastic particles are easily oxidized to cause the problem of unqualified product quality.
Technical scheme
In order to solve the above problems, the present invention provides the following technical solutions:
the production process of the antioxidant plastic particles is characterized by comprising the following steps:
s1 crushing raw materials: crushing the recycled waste plastics in a crusher;
s2 crushed material washing: firstly, overflow cleaning is carried out on the crushed raw materials, substances such as mud, impurities and the like on the crushed raw materials are cleaned in advance, then pickling is carried out to remove smaller metal impurities on the crushed raw materials, and finally, overflow cleaning is carried out, and pickling water remained on the crushed raw materials after pickling is cleaned;
s3 centrifugal dehydration: putting the cleaned crushed materials into a centrifuge for centrifugal dehydration;
s4 drying crushed aggregates: drying the dehydrated crushed aggregates, putting the dehydrated crushed aggregates into drying equipment for drying for 5-15min at the drying temperature of 90-96 ℃, and storing for later use after drying;
s5 magnetic adsorption of metal impurities: placing the dried crushed aggregates into a stirring device with a magnetic attraction device to be stirred, and carrying out magnetic attraction treatment on larger metal sheets or metal slag by utilizing magnetic attraction;
s6 pretreatment of auxiliary materials: grinding the powdered additive with coarse particles or easy agglomeration by using a plasticizer;
s7 mixing raw materials: mixing the dried crushed aggregates, the master batch and the auxiliary materials in proportion;
s8 kneading: the raw materials mixed in S7 are put into a high-speed kneader for kneading;
s9 extrusion molding: putting the mixed material mixed in the S8 into an extruder by adopting a double-screw extruder for extrusion and material making into plastic material strips;
s10 cooling the material strip: cooling the material strips extruded by the extruder by water;
s11 cutting into granules and drying: and cutting the cooled material strips into particles, drying and storing for later use.
Further, the crusher in S1 crushes the raw material using a twin-shaft shredder.
Further, the S2 crushed aggregates with oil stains can be cleaned by using a cleaning agent, and the crushed aggregates with serious dyeing need to be cleaned and decolored by using caustic soda (NaOH).
Further, hydrochloric acid is adopted in the pickling solution in the S2, and the proportion of the hydrochloric acid is 10% -25%. .
Further, the auxiliary materials in the step S7 comprise: 15-27 parts of acrylate, 13-18 parts of vinyl acetate, 13-21 parts of isopropanol, 11-15 parts of silicon dioxide, 25-30 parts of crotonate, 18-22 parts of sodium hydroxide, 10-20 parts of Fischer-Tropsch wax, 6-9 parts of methacrylic acid, 7-12 parts of styrene-methacrylic acid, 8-10 parts of dilauryl thiodipropionate and 5-15 parts of hindered phenol main antioxidant.
Further, the kneading time of the S8 kneading process is 5-15min, and the kneading temperature is 90-110 ℃.
Further, the extrusion temperature in the S9 extrusion process is 130-170 ℃, and the rotation speed of the extrusion screw is 15-30 r/min.
Further, the cooling process of S10 is to cool the strands with circulating cooling water.
Advantageous effects
The invention has the beneficial effects that: in the preparation process, the preparation process is simple, the prepared plastic has the characteristics of high-efficiency oxidation resistance, strong oxidation resistance effect and long duration, and the cost of the adopted raw materials is low.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example one
S1 crushing raw materials: crushing the recycled waste plastics in a crusher;
s2 scrap cleaning: firstly, overflow cleaning is carried out on the crushed raw materials, substances such as mud, impurities and the like on the crushed raw materials are cleaned in advance, then pickling is carried out to remove smaller metal impurities on the crushed raw materials, the hydrochloric acid content of pickling solution is 20%, finally, overflow cleaning is carried out, and pickling water remained on the crushed raw materials after pickling is cleaned;
s3 centrifugal dehydration: putting the cleaned crushed materials into a centrifuge for centrifugal dehydration;
s4 drying crushed aggregates: drying the dehydrated crushed aggregates for 10min at the drying temperature of 95 ℃;
s5 magnetic adsorption to remove metal impurities: placing the dried crushed materials into a stirring device with a magnetic suction device for stirring, and carrying out magnetic suction treatment on larger metal sheets or metal slag by utilizing magnetic suction;
s6 pretreatment of auxiliary materials: grinding the powdered additive with coarse particles or easy agglomeration by using a plasticizer;
s7 mixing raw materials: mixing the dried crushed aggregates, the master batch and the auxiliary materials in proportion; the auxiliary materials comprise 20 parts of acrylic ester, 15 parts of vinyl acetate, 17 parts of isopropanol, 12 parts of silicon dioxide, 27 parts of crotonate, 20 parts of sodium hydroxide, 15 parts of Fischer-Tropsch wax, 7 parts of methacrylic acid, 10 parts of styrene-methacrylic acid, 9 parts of dilauryl thiodipropionate and 10 parts of hindered phenol main antioxidant;
s8 kneading: the raw materials mixed by the S7 are put into a high-speed kneader to be kneaded, the kneading time is 10min, and the kneading temperature is 100 ℃;
s9 extrusion molding: putting the mixed material obtained in the step S8 into an extruder by adopting a double-screw extruder for extrusion and material making into plastic strips, wherein the extrusion temperature is 150 ℃, and the rotation speed of an extrusion screw is 20 r/min;
s10 cooling the material strip: cooling the material strips extruded by the extruder by water;
s11 cutting into granules and drying: and cutting the cooled material strips into particles, drying and storing for later use.
Example two
S1 crushing raw materials: crushing the recycled waste plastics in a crusher;
s2 scrap cleaning: firstly, overflow cleaning is carried out on the crushed raw materials, substances such as mud, impurities and the like on the crushed raw materials are cleaned in advance, then pickling is carried out to remove smaller metal impurities on the crushed raw materials, the hydrochloric acid content of a pickling solution is 10%, and finally overflow cleaning is carried out, so that pickling water remained on the crushed raw materials after pickling is cleaned;
s3 centrifugal dehydration: putting the cleaned crushed materials into a centrifugal machine for centrifugal dehydration;
s4 drying crushed aggregates: drying the dehydrated crushed aggregates for 5min at the drying temperature of 90 ℃;
s5 magnetic adsorption of metal impurities: placing the dried crushed materials into a stirring device with a magnetic suction device for stirring, and carrying out magnetic suction treatment on larger metal sheets or metal slag by utilizing magnetic suction;
s6 pretreatment of auxiliary materials: grinding the powdered additive with coarse particles or easy agglomeration by using a plasticizer;
s7 mixing raw materials: mixing the dried crushed aggregates, the master batch and the auxiliary materials in proportion; the auxiliary materials comprise 15 parts of acrylic ester, 13 parts of vinyl acetate, 13 parts of isopropanol, 11 parts of silicon dioxide, 25 parts of crotonate, 18 parts of sodium hydroxide, 10 parts of Fischer-Tropsch wax, 6 parts of methacrylic acid, 7 parts of styrene-methacrylic acid, 8 parts of dilauryl thiodipropionate and 5 parts of hindered phenol main antioxidant;
s8 kneading: the raw materials mixed by the S7 are put into a high-speed kneader to be kneaded, the kneading time is 5min, and the kneading temperature is 90 ℃;
s9 extrusion molding: putting the mixed material obtained in the step S8 into an extruder by adopting a double-screw extruder for extrusion and material making into plastic strips, wherein the extrusion temperature is 130 ℃, and the rotation speed of an extrusion screw is 15 r/min;
s10 cooling the material strip: cooling the material strips extruded by the extruder by water;
s11 cutting into granules and drying: and cutting the cooled material strips into particles, drying and storing for later use.
EXAMPLE III
S1 crushing raw materials: crushing the recycled waste plastics in a crusher;
s2 crushed material washing: firstly, overflow cleaning is carried out on the crushed raw materials, substances such as mud, impurities and the like on the crushed raw materials are cleaned in advance, then pickling is carried out to remove smaller metal impurities on the crushed raw materials, the hydrochloric acid content of a pickling solution is 25%, and finally overflow cleaning is carried out, so that pickling water remained on the crushed raw materials after pickling is cleaned;
s3 centrifugal dehydration: putting the cleaned crushed materials into a centrifuge for centrifugal dehydration;
s4 drying crushed aggregates: drying the dehydrated crushed aggregates for 15min at the drying temperature of 96 ℃;
s5 magnetic adsorption of metal impurities: placing the dried crushed materials into a stirring device with a magnetic suction device for stirring, and carrying out magnetic suction treatment on larger metal sheets or metal slag by utilizing magnetic suction;
s6 pretreatment of auxiliary materials: grinding the powdered additive with coarse particles or easy agglomeration by using a plasticizer;
s7 mixing raw materials: mixing the dried crushed aggregates, the master batch and the auxiliary materials in proportion; the auxiliary materials comprise 27 parts of acrylic ester, 18 parts of vinyl acetate, 21 parts of isopropanol, 15 parts of silicon dioxide, 30 parts of butenoate, 22 parts of sodium hydroxide, 20 parts of Fischer-Tropsch wax, 9 parts of methacrylic acid, 12 parts of styrene-methacrylic acid, 10 parts of dilauryl thiodipropionate and 15 parts of hindered phenol main antioxidant;
s8 kneading: the raw materials mixed by the S7 are put into a high-speed kneader to be kneaded, the kneading time is 15min, and the kneading temperature is 110 ℃;
s9 extrusion molding: putting the mixed material obtained in the step S8 into an extruder by adopting a double-screw extruder for extrusion and material making into plastic strips, wherein the extrusion temperature is 170 ℃, and the rotation speed of an extrusion screw is 30 r/min;
s10 cooling the material strip: cooling the material strips extruded by the extruder by water;
s11 cutting into granules and drying: and cutting the cooled material strips into particles, drying and storing for later use.
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.
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 production process of the antioxidant plastic particles is characterized by comprising the following steps of:
s1 crushing raw materials: crushing the recycled waste plastics in a crusher;
s2 crushed material washing: firstly, overflow cleaning is carried out on the crushed raw materials, substances such as mud, impurities and the like on the crushed raw materials are cleaned in advance, then pickling is carried out to remove smaller metal impurities on the crushed raw materials, finally, overflow cleaning is carried out, and pickling water remained on the crushed raw materials after pickling is cleaned;
s3 centrifugal dehydration: putting the cleaned crushed materials into a centrifuge for centrifugal dehydration;
s4 drying crushed aggregates: drying the dehydrated crushed aggregates, putting the dehydrated crushed aggregates into drying equipment for drying for 5-15min at the drying temperature of 90-96 ℃, and storing for later use after drying;
s5 magnetic adsorption of metal impurities: placing the dried crushed materials into a stirring device with a magnetic suction device for stirring, and carrying out magnetic suction treatment on larger metal sheets or metal slag by utilizing magnetic suction;
s6 pretreatment of auxiliary materials: grinding the powdery additive with coarser particles or easy agglomeration by using a plasticizer;
s7, mixing raw materials: mixing the dried crushed aggregates, the master batch and the auxiliary materials in proportion;
s8 kneading: the raw materials mixed in S7 are put into a high-speed kneader for kneading;
s9 extrusion molding: putting the mixed material mixed in the S8 into an extruder by adopting a double-screw extruder for extrusion and material making into plastic material strips;
s10 cooling the material strip: cooling the material strips extruded by the extruder by water;
s11 cutting into granules and drying: and cutting the cooled material strips into particles, drying and storing for later use.
2. The process for producing antioxidant plastic granules as claimed in claim 1, wherein the crusher in S1 adopts a double-shaft shredder to crush raw materials.
3. The process for producing antioxidant plastic granules as claimed in claim 1, wherein the S2 scraps with oil stain can be cleaned by cleaning agent, and the scraps with serious dyeing need to be cleaned and decolored by caustic soda (NaOH).
4. The production process of the antioxidant plastic granules as claimed in claim 1, wherein the pickling solution in the step S2 is prepared by hydrochloric acid, and the proportion of the hydrochloric acid is 10% -25%. .
5. The production process of the antioxidant plastic granules as claimed in claim 1, wherein the auxiliary materials in the S7 comprise: 15-27 parts of acrylate, 13-18 parts of vinyl acetate, 13-21 parts of isopropanol, 11-15 parts of silicon dioxide, 25-30 parts of crotonate, 18-22 parts of sodium hydroxide, 10-20 parts of Fischer-Tropsch wax, 6-9 parts of methacrylic acid, 7-12 parts of styrene-methacrylic acid, 8-10 parts of dilauryl thiodipropionate and 5-15 parts of hindered phenol main antioxidant.
6. The process for producing antioxidant plastic granules as claimed in claim 1, wherein the kneading time of the S8 kneading process is 5-15min, and the kneading temperature is 90-110 ℃.
7. The production process of antioxidant plastic granules as claimed in claim 1, wherein the extrusion temperature in the S9 extrusion process is 130-170 ℃, and the rotation speed of the extrusion screw is 15-30 r/min.
8. The production process of antioxidant plastic granules as claimed in claim 1, wherein the cooling process of S10 is to cool the strips with circulating cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210548583.6A CN114989628A (en) | 2022-05-20 | 2022-05-20 | Production process of antioxidant plastic particles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210548583.6A CN114989628A (en) | 2022-05-20 | 2022-05-20 | Production process of antioxidant plastic particles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN102173007A (en) * | 2011-01-30 | 2011-09-07 | 路洪洲 | Method for recycling thermoplastic polypropylene plastic parts of scraped automobile |
| CN107312351A (en) * | 2017-08-02 | 2017-11-03 | 合肥东恒锐电子科技有限公司 | The technique that a kind of electronic product plastic shell is recycled |
| CN108927912A (en) * | 2018-06-08 | 2018-12-04 | 安徽国生新材料有限公司 | A kind of separation and recovery method of waste plastic |
| CN112060395A (en) * | 2020-09-16 | 2020-12-11 | 合肥市丽红塑胶材料有限公司 | Plastic particle production process |
-
2022
- 2022-05-20 CN CN202210548583.6A patent/CN114989628A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092078A (en) * | 1992-12-28 | 1994-09-14 | 联合碳化化学品及塑料技术公司 | Polymer finishing process |
| CN102173007A (en) * | 2011-01-30 | 2011-09-07 | 路洪洲 | Method for recycling thermoplastic polypropylene plastic parts of scraped automobile |
| CN107312351A (en) * | 2017-08-02 | 2017-11-03 | 合肥东恒锐电子科技有限公司 | The technique that a kind of electronic product plastic shell is recycled |
| CN108927912A (en) * | 2018-06-08 | 2018-12-04 | 安徽国生新材料有限公司 | A kind of separation and recovery method of waste plastic |
| CN112060395A (en) * | 2020-09-16 | 2020-12-11 | 合肥市丽红塑胶材料有限公司 | Plastic particle production process |
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| Title |
|---|
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| 魏京华: "聚烯烃塑料废弃物的回收再生利用", 《塑料工业》 * |
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Application publication date: 20220902 |