CN112852058A - Production process of plastic barrel - Google Patents
Production process of plastic barrel Download PDFInfo
- Publication number
- CN112852058A CN112852058A CN202110141227.8A CN202110141227A CN112852058A CN 112852058 A CN112852058 A CN 112852058A CN 202110141227 A CN202110141227 A CN 202110141227A CN 112852058 A CN112852058 A CN 112852058A
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- Prior art keywords
- parts
- plastic barrel
- plastic
- mold
- temperature
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention provides a production process of a plastic barrel, which comprises the following steps: step (1), putting raw materials into a stirrer; sequentially adding the auxiliary agents, stirring, mixing and uniformly mixing; step (3), placing the mixture in a double-screw extruder, and extruding plastic particles; step (4), placing the plastic particles in an extrusion hollow blow molding machine to extrude a tubular blank; step (5), putting the tubular blank into a mold of an extrusion hollow blow molding machine, controlling the temperature of the mold and the pressure of compressed air, and blowing the hollow blank into a plastic barrel; step (6), opening the mold after cooling, taking out the product, and trimming burrs to obtain a finished product; polishing the manufactured plastic barrel; step (7), sterilizing the polished plastic barrel; and carrying out laser printing and dyeing on the sterilized plastic barrel. The product prepared by the invention has the characteristics of high impact strength, good tensile property, good environmental stress cracking resistance, good chemical stability resistance and the like.
Description
Technical Field
The invention relates to the technical field of plastic barrels, in particular to a production process of a plastic barrel.
Background
The plastic barrel is mainly used for storing and transporting various liquids, has good characteristics for special dangerous goods packaging, has the characteristics of low probability of breakage, no rustiness, light weight and the like, has good oil resistance and strong corrosion resistance, and is mainly used for dangerous goods packaging needing heat preservation, moisture protection, pressure resistance and corrosion resistance. The plastic barrel is mainly made of polyethylene, polypropylene, polyester and other plastics through blow molding, injection molding, plastic sucking and rotational molding, and is mainly used for containing liquid and solid articles in the industries of chemical industry, pesticide, medicine, food, hardware electronics, electromechanics and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a production process of a plastic barrel, so as to solve the problems in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme: a production process of a plastic barrel comprises the following steps:
putting 60-70 parts of PP (polypropylene), 12-14 parts of LLDPE (linear low-density polyethylene), 10-20 parts of aramid fiber, 8-14 parts of active quartz powder, 10-18 parts of nano modified epoxy resin and 5-12 parts of glass fiber reinforced vinyl ester resin into a stirrer;
sequentially adding 10-20 parts of toughening modifier, 4-6 parts of reinforcing modifier, 0.5-2 parts of stabilizer and 3-5 parts of lubricant, stirring, mixing and uniformly mixing;
step (3), heating the mixture to 150-;
step (4), placing the plastic particles in an extrusion hollow blow molding machine to extrude a tubular blank;
step (5), putting the tubular blank into a mold of an extrusion hollow blow molding machine, controlling the temperature of the mold and the pressure of compressed air, and blowing the hollow blank into a plastic barrel;
step (6), opening the mold after cooling, taking out the product, and trimming burrs to obtain a finished product; polishing the manufactured plastic barrel;
step (7), sterilizing the polished plastic barrel; and carrying out laser printing and dyeing on the sterilized plastic barrel.
The raw materials in the step (1) are 65 parts of PP, 13 parts of LLDPE, 15 parts of aramid fiber, 10 parts of active quartz powder, 15 parts of nano modified epoxy resin and 10 parts of glass fiber reinforced vinyl ester resin.
The stirring temperature in the step (1) is 100-130 ℃, and the time is 20-40 minutes.
In the step (5), the temperature of the machine head is 210 ℃, the temperature of the die orifice is 200 ℃, and the temperature of the die is 20-30 ℃.
The inflation time in the step (5) is 10-15s, and the blowing pressure is 0.8-lMPa.
Compared with the prior art, the invention has the beneficial effects that: the product prepared by the invention has the characteristics of high impact strength, good tensile property, good environmental stress cracking resistance, good chemical stability resistance and the like.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixed or detachable connections or integral connections, mechanical or electrical connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
A production process of a plastic barrel comprises the following steps:
putting 60 parts of PP, 12 parts of LLDPE, 10 parts of aramid fiber, 8 parts of active quartz powder, 10 parts of nano modified epoxy resin and 5 parts of glass fiber reinforced vinyl ester resin into a stirrer, wherein the stirring temperature is 100 ℃, and the stirring time is 20 minutes;
step (2), sequentially adding 10 parts of toughening modifier, 4 parts of reinforcing modifier, 0.5 part of stabilizer and 3 parts of lubricant, stirring, mixing and uniformly mixing;
step (3), heating the mixture to 150 ℃, placing the mixture in a double-screw extruder, and extruding plastic particles;
step (4), placing the plastic particles in an extrusion hollow blow molding machine to extrude a tubular blank;
step (5), placing the tubular blank into a mold of an extrusion hollow blow molding machine, controlling the mold temperature and the compressed air pressure, blowing the hollow blank into a plastic barrel, wherein the head temperature is 210 ℃, the die orifice temperature is 200 ℃, the mold temperature is 20 ℃, the inflation time is 10s, and the blowing pressure is 0.8 MPa;
step (6), opening the mold after cooling, taking out the product, and trimming burrs to obtain a finished product; polishing the manufactured plastic barrel;
step (7), sterilizing the polished plastic barrel; and carrying out laser printing and dyeing on the sterilized plastic barrel.
Example 2
A production process of a plastic barrel comprises the following steps:
putting 70 parts of PP (polypropylene), 14 parts of LLDPE (linear low-density polyethylene), 20 parts of aramid fiber, 14 parts of active quartz powder, 18 parts of nano modified epoxy resin and 12 parts of glass fiber reinforced vinyl ester resin into a stirrer, wherein the stirring temperature is 130 ℃ and the stirring time is 40 minutes;
sequentially adding 20 parts of toughening modifier, 6 parts of reinforcing modifier, 2 parts of stabilizer and 5 parts of lubricant, stirring, mixing and uniformly mixing;
step (3), heating the mixture to 200 ℃, placing the mixture in a double-screw extruder, and extruding plastic particles;
step (4), placing the plastic particles in an extrusion hollow blow molding machine to extrude a tubular blank;
step (5), placing the tubular blank into a mold of an extrusion hollow blow molding machine, controlling the mold temperature and the compressed air pressure, blowing the hollow blank into a plastic barrel, wherein the head temperature is 210 ℃, the die orifice temperature is 200 ℃, the mold temperature is 30 ℃, the inflation time is 15s, and the blowing pressure is lMPa;
step (6), opening the mold after cooling, taking out the product, and trimming burrs to obtain a finished product; polishing the manufactured plastic barrel;
step (7), sterilizing the polished plastic barrel; and carrying out laser printing and dyeing on the sterilized plastic barrel.
Example 3
A production process of a plastic barrel comprises the following steps:
putting 65 parts of PP, 13 parts of LLDPE, 15 parts of aramid fiber, 10 parts of active quartz powder, 15 parts of nano modified epoxy resin and 10 parts of glass fiber reinforced vinyl ester resin into a stirrer, wherein the stirring temperature is 120 ℃, and the stirring time is 30 minutes;
sequentially adding 15 parts of toughening modifier, 5 parts of reinforcing modifier, 1 part of stabilizer and 4 parts of lubricant, stirring, mixing and uniformly mixing;
step (3), heating the mixture to 180 ℃, placing the mixture in a double-screw extruder, and extruding plastic particles;
step (4), placing the plastic particles in an extrusion hollow blow molding machine to extrude a tubular blank;
step (5), placing the tubular blank into a mold of an extrusion hollow blow molding machine, controlling the mold temperature and the compressed air pressure, blowing the hollow blank into a plastic barrel, wherein the head temperature is 210 ℃, the die orifice temperature is 200 ℃, the mold temperature is 25 ℃, the inflation time is 12s, and the blowing pressure is 0.9 MPa;
step (6), opening the mold after cooling, taking out the product, and trimming burrs to obtain a finished product; polishing the manufactured plastic barrel;
step (7), sterilizing the polished plastic barrel; and carrying out laser printing and dyeing on the sterilized plastic barrel.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A production process of a plastic barrel is characterized in that: the method comprises the following steps:
putting 60-70 parts of PP (polypropylene), 12-14 parts of LLDPE (linear low-density polyethylene), 10-20 parts of aramid fiber, 8-14 parts of active quartz powder, 10-18 parts of nano modified epoxy resin and 5-12 parts of glass fiber reinforced vinyl ester resin into a stirrer;
sequentially adding 10-20 parts of toughening modifier, 4-6 parts of reinforcing modifier, 0.5-2 parts of stabilizer and 3-5 parts of lubricant, stirring, mixing and uniformly mixing;
step (3), heating the mixture to 150-;
step (4), placing the plastic particles in an extrusion hollow blow molding machine to extrude a tubular blank;
step (5), putting the tubular blank into a mold of an extrusion hollow blow molding machine, controlling the temperature of the mold and the pressure of compressed air, and blowing the hollow blank into a plastic barrel;
step (6), opening the mold after cooling, taking out the product, and trimming burrs to obtain a finished product; polishing the manufactured plastic barrel;
step (7), sterilizing the polished plastic barrel; and carrying out laser printing and dyeing on the sterilized plastic barrel.
2. A process for manufacturing a plastic drum as claimed in claim 1, wherein: the raw materials in the step (1) are 65 parts of PP, 13 parts of LLDPE, 15 parts of aramid fiber, 10 parts of active quartz powder, 15 parts of nano modified epoxy resin and 10 parts of glass fiber reinforced vinyl ester resin.
3. A process for manufacturing a plastic drum as claimed in claim 1, wherein: the stirring temperature in the step (1) is 100-130 ℃, and the time is 20-40 minutes.
4. A process for manufacturing a plastic drum as claimed in claim 1, wherein: in the step (5), the temperature of the machine head is 210 ℃, the temperature of the die orifice is 200 ℃, and the temperature of the die is 20-30 ℃.
5. A process for manufacturing a plastic drum as claimed in claim 1, wherein: the inflation time in the step (5) is 10-15s, and the blowing pressure is 0.8-lMPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141227.8A CN112852058A (en) | 2021-02-02 | 2021-02-02 | Production process of plastic barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141227.8A CN112852058A (en) | 2021-02-02 | 2021-02-02 | Production process of plastic barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112852058A true CN112852058A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110141227.8A Pending CN112852058A (en) | 2021-02-02 | 2021-02-02 | Production process of plastic barrel |
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| Country | Link |
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| CN (1) | CN112852058A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750779A (en) * | 2016-12-08 | 2017-05-31 | 苏州纳贝通环境科技有限公司 | A kind of high-strength low-temperature resistant plastic bucket and preparation method thereof |
| CN108276679A (en) * | 2018-03-06 | 2018-07-13 | 青岛铭威塑业有限公司 | Toughening type PP plastic barrels and preparation method thereof |
-
2021
- 2021-02-02 CN CN202110141227.8A patent/CN112852058A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750779A (en) * | 2016-12-08 | 2017-05-31 | 苏州纳贝通环境科技有限公司 | A kind of high-strength low-temperature resistant plastic bucket and preparation method thereof |
| CN108276679A (en) * | 2018-03-06 | 2018-07-13 | 青岛铭威塑业有限公司 | Toughening type PP plastic barrels and preparation method thereof |
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Application publication date: 20210528 |