阅读说明：本技术 耐冲击高强度塑料油桶的制作方法 (Method for manufacturing impact-resistant high-strength plastic oil drum ) 是由 缪冬琴 于 2021-06-28 设计创作，主要内容包括：本发明公开了耐冲击高强度塑料油桶的制作方法,包括原材料准备—塑化—造粒—吹塑—修整—校验工艺步骤；本发明添加的聚丙烯、聚氯乙烯、聚苯乙烯、聚碳酸酯、酚醛树脂、聚苯醚、润滑剂、塑化剂、稳定剂均为透明材料,可以使制备的油桶具有良好的透光性能,以便从外部直接观察到油桶内部的油量,且添加的聚碳酸酯可以提高油桶的强度与耐疲劳性,添加的聚苯醚使油桶具有优良的机械强度、耐应力松弛、抗蠕变性、耐热性、耐水性、耐水蒸汽性、尺寸稳定性。(The invention discloses a manufacturing method of an impact-resistant high-strength plastic oil drum, which comprises the process steps of raw material preparation, plasticization, granulation, blow molding, trimming and verification; the polypropylene, the polyvinyl chloride, the polystyrene, the polycarbonate, the phenolic resin, the polyphenyl ether, the lubricant, the plasticizer and the stabilizer which are added into the oil drum are all transparent materials, so that the prepared oil drum has good light transmittance, the oil amount in the oil drum can be directly observed from the outside, the added polycarbonate can improve the strength and the fatigue resistance of the oil drum, and the added polyphenyl ether enables the oil drum to have excellent mechanical strength, stress relaxation resistance, creep resistance, heat resistance, water resistance, steam resistance and size stability.)

1. The manufacturing method of the impact-resistant high-strength plastic oil drum is characterized in that: the method comprises the following process steps of raw material preparation, plasticization, granulation, blow molding, finishing and verification, and specifically comprises the following steps:

preparing raw materials in step (1): preparing according to the components and weight components: polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenylene oxide, phenolic resin, lubricant, plasticizer, stabilizer, impact modifier, crosslinking agent and coupling agent;

plasticizing in step (2): adding polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenyl ether, phenolic resin, a lubricant, a plasticizer, a stabilizer, an impact-resistant modifier, a crosslinking agent and a coupling agent into a mixer, heating and uniformly mixing;

granulating in step (3): adding the mixture obtained by plasticizing in the step (2) into a granulator, and processing the mixture into plastic master batches for storage;

step (4), blow molding: adding the plastic master batch obtained in the step (3) into a blow molding machine for blow molding;

and (5) trimming: cooling the blow-molded product in the step (4), and then deburring the blow-molded product through an edge trimmer;

and (6) checking: and (5) checking the uniformity degree of the wall thickness and the surface smoothness of the product with the burrs removed in the step (5), and recovering the unqualified product.

2. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the raw materials in the step (1) comprise the following components in parts by weight: 45-53% of polypropylene, 11-16% of polyvinyl chloride, 6-12% of polystyrene, 9-16% of phenolic resin, 9-15% of polyphenyl ether, 2-5% of lubricant, 1-4% of plasticizer, 1-3% of stabilizer, 1-5% of impact-resistant modifier, 2-4% of cross-linking agent and 3-5% of coupling agent.

3. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 2, characterized in that: the raw material comprises the following components in parts by weight: 43% of polypropylene, 10% of polyvinyl chloride, 12% of polystyrene, 8% of phenolic resin, 10% of polyphenylene oxide, 4% of lubricant, 3% of plasticizer, 2% of stabilizer, 3% of impact modifier, 2% of cross-linking agent and 3% of coupling agent.

4. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 2, characterized in that: the raw material comprises the following components in parts by weight: 44% of polypropylene, 11% of polyvinyl chloride, 5% of polystyrene, 5% of phenolic resin, 14% of polyphenyl ether, 5% of lubricant, 2% of plasticizer, 1% of stabilizer, 4% of impact modifier, 4% of cross-linking agent and 5% of coupling agent.

5. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the raw material comprises the following components in parts by weight: 48% of polypropylene, 13% of polyvinyl chloride, 3% of polystyrene, 7% of phenolic resin, 9% of polyphenyl ether, 4% of lubricant, 2% of plasticizer, 3% of stabilizer, 2% of impact modifier, 4% of cross-linking agent and 5% of coupling agent.

6. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the polypropylene is prepared by taking propylene as a raw material and ethylene as a comonomer through polymerization reaction, and is a colorless, odorless, nontoxic and transparent solid substance.

7. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the polystyrene is a colorless transparent solid, and the phenolic resin is prepared by the polycondensation reaction of phenol and formaldehyde under the action of an acidic or alkaline catalyst.

8. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the lubricant is zinc stearate, the plasticizer is a phthalate compound, the phthalate compound is colorless and transparent oily viscous liquid, and the stabilizer is organic tin.

9. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the temperature of the blow molding machine in the step (4) is set to be 210-230 ℃, the mixing machine in the step (2) is an internal mixer, and the working temperature of the internal mixer is 170-190 ℃.

10. The method for manufacturing the impact-resistant high-strength plastic oil drum according to claim 1, is characterized in that: the compound plasticized in step (2) can be used directly in step (4).

Technical Field

The invention relates to the field of plastic oil drum production, in particular to a manufacturing method of an impact-resistant high-strength plastic oil drum.

Background

The oil drum leakage can cause a series of damages to human health due to air volatilization, and the human body inhales gasoline vapor to cause discomfort of the upper respiratory tract, cough, nausea and central nerve damage, which are manifested as headache, dizziness and reduced reflex. High concentration can cause anesthesia, coma and death, and long-term inhalation can cause damage to the nervous system, liver and hematopoietic system, so that the oil drum with high use strength and good corrosion resistance is particularly important.

The existing oil drum is made of iron sheet or plastic materials, wherein the oil drum made of the plastic materials has chemical resistance, heat resistance and electrical insulation, but the light transmittance of the plastic oil drum is poor, the residual oil quantity in the oil drum cannot be visually seen from the outside, the use is inconvenient, the existing transparent oil drum is low in strength and easy to change, and the existing transparent oil drum is not suitable for storing gasoline. Meanwhile, the plastic parts used at present can not meet the use requirements of people gradually due to production, processing and materials.

Disclosure of Invention

The invention aims to provide a manufacturing method of an impact-resistant high-strength plastic oil drum, which solves the problems.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a method for manufacturing an impact-resistant high-strength plastic oil drum, which comprises the process steps of raw material preparation, plasticization, granulation, blow molding, trimming and verification, and comprises the following specific steps:

preparing raw materials in step (1): preparing according to the components and weight components: polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenylene oxide, phenolic resin, lubricant, plasticizer, stabilizer, impact modifier, crosslinking agent and coupling agent;

plasticizing in step (2): adding polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenyl ether, phenolic resin, a lubricant, a plasticizer, a stabilizer, an impact-resistant modifier, a crosslinking agent and a coupling agent into a mixer, heating and uniformly mixing;

granulating in step (3): adding the mixture obtained by plasticizing in the step (2) into a granulator, and processing the mixture into plastic master batches for storage;

step (4), blow molding: adding the plastic master batch obtained in the step (3) into a blow molding machine for blow molding;

and (5) trimming: cooling the blow-molded product in the step (4), and then deburring the blow-molded product through an edge trimmer;

and (6) checking: and (5) checking the uniformity degree of the wall thickness and the surface smoothness of the product with the burrs removed in the step (5), and recovering the unqualified product.

Preferably, the raw materials in the step (1) comprise the following components in parts by weight: 45-53% of polypropylene, 11-16% of polyvinyl chloride, 6-12% of polystyrene, 9-16% of phenolic resin, 9-15% of polyphenyl ether, 2-5% of lubricant, 1-4% of plasticizer, 1-3% of stabilizer, 1-5% of impact-resistant modifier, 2-4% of cross-linking agent and 3-5% of coupling agent.

Preferably, the raw material comprises the following components in percentage by weight: 43% of polypropylene, 10% of polyvinyl chloride, 12% of polystyrene, 8% of phenolic resin, 10% of polyphenylene oxide, 4% of lubricant, 3% of plasticizer, 2% of stabilizer, 3% of impact modifier, 2% of cross-linking agent and 3% of coupling agent.

Preferably, the raw material comprises the following components in percentage by weight: 44% of polypropylene, 11% of polyvinyl chloride, 5% of polystyrene, 5% of phenolic resin, 14% of polyphenyl ether, 5% of lubricant, 2% of plasticizer, 1% of stabilizer, 4% of impact modifier, 4% of cross-linking agent and 5% of coupling agent.

Preferably, the raw material comprises the following components in percentage by weight: 48% of polypropylene, 13% of polyvinyl chloride, 3% of polystyrene, 7% of phenolic resin, 9% of polyphenyl ether, 4% of lubricant, 2% of plasticizer, 3% of stabilizer, 2% of impact modifier, 4% of cross-linking agent and 5% of coupling agent.

Preferably, the polypropylene is prepared by taking propylene as a raw material and ethylene as a comonomer through polymerization reaction, and the polypropylene is a colorless, odorless, nontoxic and transparent solid substance.

Preferably, the polystyrene is a colorless transparent solid, and the phenolic resin is prepared by performing condensation polymerization on phenol and formaldehyde under the action of an acidic or basic catalyst.

Preferably, the lubricant is zinc stearate, the plasticizer is a phthalate compound, the phthalate compound is colorless and transparent oily viscous liquid, and the stabilizer is organic tin.

Preferably, the temperature of the blow molding machine in the step (4) is set to be 210-230 ℃, the mixing machine in the step (2) is an internal mixer, and the working temperature of the internal mixer is 170-190 ℃.

Preferably, the compound obtained by plasticization in step (2) can be used directly in step (4), and the remaining mass is subjected to step (3) for the next blow-molding.

The added polyvinyl chloride is a polymer polymerized by initiators such as peroxide and azo compounds or by a free radical polymerization mechanism under the action of light and heat, and is white powder with an amorphous structure;

the polyphenyl ether is prepared by firstly adding a quantitative copper ammonia complex catalyst into a polymerization reaction kettle, bubbling oxygen, and then gradually adding 2, 6-dimethylphenol and an ethanol solution for oxidative coupling polymerization.

The stabilizer added can slow down the chemical reaction on the surface of the oil drum, keep chemical balance, reduce surface tension and prevent optical, thermal or oxidative decomposition of the oil drum.

The invention has the beneficial effects that: the polypropylene, the polyvinyl chloride, the polystyrene, the polycarbonate, the phenolic resin, the polyphenyl ether, the lubricant, the plasticizer, the stabilizer, the impact-resistant modifier, the cross-linking agent and the coupling agent which are added into the oil drum are all transparent materials, so that the prepared oil drum has good light transmittance, the oil amount in the oil drum can be directly observed from the outside, the strength and the fatigue resistance of the oil drum can be improved by the added polycarbonate, the oil drum has excellent mechanical strength, stress relaxation resistance, creep resistance, heat resistance, water vapor resistance and size stability by the added polyphenyl ether, and the prepared finished oil drum has high impact strength and good quality.

Detailed Description

The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

The preparation method comprises the following specific steps:

(1) preparing the following components in parts by weight: 43% of polypropylene, 10% of polyvinyl chloride, 12% of polystyrene, 8% of phenolic resin, 10% of polyphenyl ether, 4% of lubricant, 3% of plasticizer, 2% of stabilizer, 3% of impact-resistant modifier, 2% of cross-linking agent and 3% of coupling agent;

(2) adding polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenyl ether, phenolic resin, a lubricant, a plasticizer, a stabilizer, an impact modifier, a cross-linking agent and a coupling agent into an internal mixer, and heating and uniformly mixing the mixture at the temperature of 171 ℃;

(3) and (3) granulation: adding part of the mixture obtained by plasticizing in the step (2) into a granulator, and processing the mixture into plastic master batches for storage;

(4) blow molding: directly adding the mixture obtained by plasticizing in the step (2) into a blow molding machine, or adding the plastic master batch obtained in the step (3) into the blow molding machine for blow molding, wherein the temperature of the blow molding machine is set to be 212 ℃;

(5) trimming: cooling the blow-molded product in the step (4), and then deburring the blow-molded product through an edge trimmer;

(6) checking: and (5) checking the uniformity degree of the wall thickness and the surface smoothness of the product with the burrs removed in the step (5), and recovering the unqualified product.

Example 2

The preparation method comprises the following specific steps:

(1) preparing according to the components and weight components: 44% of polypropylene, 11% of polyvinyl chloride, 5% of polystyrene, 5% of phenolic resin, 14% of polyphenyl ether, 5% of lubricant, 2% of plasticizer, 1% of stabilizer, 4% of impact-resistant modifier, 4% of cross-linking agent and 5% of coupling agent;

(2) adding polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenyl ether, phenolic resin, a lubricant, a plasticizer, a stabilizer, an impact-resistant modifier, a cross-linking agent and a coupling agent into an internal mixer, and heating and uniformly mixing the mixture at the temperature of 186 ℃;

(3) and (3) granulation: adding part of the mixture obtained by plasticizing in the step (2) into a granulator, and processing the mixture into plastic master batches for storage;

(4) blow molding: directly adding the mixture obtained by plasticizing in the step (2) into a blow molding machine, or adding the plastic master batch obtained in the step (3) into the blow molding machine for blow molding, wherein the temperature of the blow molding machine is set to be 230 ℃;

(5) trimming: cooling the blow-molded product in the step (4), and then deburring the blow-molded product through an edge trimmer;

(6) checking: and (5) checking the uniformity degree of the wall thickness and the surface smoothness of the product with the burrs removed in the step (5), and recovering the unqualified product.

Example 3

The preparation method comprises the following specific steps:

(1) preparing according to the components and weight components: 48% of polypropylene, 13% of polyvinyl chloride, 3% of polystyrene, 7% of phenolic resin, 9% of polyphenyl ether, 4% of lubricant, 2% of plasticizer, 3% of stabilizer, 2% of impact-resistant modifier, 4% of cross-linking agent and 5% of coupling agent;

(2) adding polypropylene, polyvinyl chloride, polystyrene, polycarbonate, polyphenyl ether, phenolic resin, a lubricant, a plasticizer, a stabilizer, an impact-resistant modifier, a cross-linking agent and a coupling agent into an internal mixer, and setting the temperature of the internal mixer to be 180 ℃ for heating and uniformly mixing;

(3) and (3) granulation: adding part of the mixture obtained by plasticizing in the step (2) into a granulator, and processing the mixture into plastic master batches for storage;

(4) blow molding: directly adding the mixture obtained by plasticizing in the step (2) into a blow molding machine, or adding the plastic master batch obtained in the step (3) into the blow molding machine for blow molding, wherein the temperature of the blow molding machine is set to be 221 ℃;

(5) trimming: cooling the blow-molded product in the step (4), and then deburring the blow-molded product through an edge trimmer;

(6) checking: and (5) checking the uniformity degree of the wall thickness and the surface smoothness of the product with the burrs removed in the step (5), and recovering the unqualified product.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.