CN111040292A - Formula and manufacturing process of impact-resistant sterilized polypropylene medicine bottle - Google Patents
Formula and manufacturing process of impact-resistant sterilized polypropylene medicine bottle Download PDFInfo
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- CN111040292A CN111040292A CN201911154258.6A CN201911154258A CN111040292A CN 111040292 A CN111040292 A CN 111040292A CN 201911154258 A CN201911154258 A CN 201911154258A CN 111040292 A CN111040292 A CN 111040292A
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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
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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
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three 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
- C08L2205/24—Crystallisation aids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention provides a formula and a manufacturing process of an impact-resistant sterilized polypropylene medicine bottle, wherein the formula comprises the following components: the heat-resistant type polypropylene homopolymer resin, the high-density polyethylene resin, the color master batch, the structure stabilizer, the maleic anhydride grafted polypropylene resin, the PXA-LA particles and the nucleating agent. The method comprises the following specific steps: firstly, preparing modified polypropylene resin particles; step two, melting and extruding to prepare a bottle blank, and blowing the medicine bottle; and step three, sterilizing at high temperature and high pressure to prepare the impact-resistant sterilized polypropylene medicine bottle. The temperature resistance of the polypropylene medicine bottle prepared by the invention is up to 125 ℃, so that the polypropylene medicine bottle can be directly sterilized at high temperature or filled at high temperature; the blending of other plastic components such as nucleating agent, high density polyethylene resin and the like not only improves the impact resistance of the polypropylene medicine bottle, but also improves the glossiness, the polypropylene medicine bottle does not break after naturally falling from 1.5m, and the polypropylene medicine bottle can effectively protect medicines in use.
Description
Technical Field
The invention relates to the technical field of medicinal plastic bottles, in particular to a formula and a manufacturing process of an impact-resistant sterilized polypropylene medicine bottle.
Background
The pharmaceutical industry is always closely related to the life of people, and the medicine package is used as a medicine container and is directly related to the storage condition and the use condition of the medicine. The polypropylene medicine bottle in the prior art mainly has the following defects: on one hand, due to poor heat resistance, the sterilization or high-temperature filling can not be directly carried out at high temperature; on the other hand, the impact resistance is poor, resulting in insufficient protection of the drug in use.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a formula and a manufacturing process of an impact-resistant sterilized polypropylene medicine bottle.
In order to achieve the purpose, the invention adopts the following technical scheme:
the formula of the impact-resistant sterilized polypropylene medicine bottle comprises the following components in parts by weight:
70.0-90.0 parts of heat-resistant homo-polypropylene resin,
6.0 to 9.0 parts of high-density polyethylene resin,
1.0-4.0 parts of color master batch,
0.1 to 0.9 part of structure stabilizer,
1.0-4.0 parts of maleic anhydride grafted polypropylene resin,
0.1 to 2.0 parts of PXA-LA particles,
0.3-1.0 part of nucleating agent.
Further, the nucleating agent is one of sorbitol nucleating agent, talcum powder, mica and silicon dioxide.
Further, the density of the heat-resistant homo-polypropylene resin is 0.885-0.910 g/cm3The mass flow rate of the melt is 0.5-3.5 g/10min, and the thermal deformation temperature is higher than 130 ℃.
Further, the density of the high-density polyethylene resin is 0.935-0.965 g/cm3The melt mass flow rate is 0.5-3.5 g/10min, the tensile strength is higher than 30MPa, and the elongation at break is higher than 700%.
Further, the structure stabilizer is one or more of organic phosphate, calcium stearate, zinc stearate, polyethylene terephthalate and polymethyl methacrylate.
A manufacturing process of an impact-resistant sterilized polypropylene medicine bottle comprises the following specific steps:
weighing heat-resistant homo-polypropylene resin, high-density polyethylene resin, a structural stabilizer, maleic anhydride grafted polypropylene resin, PXA-LA particles and a nucleating agent in parts by weight, uniformly mixing, placing in an extruder, plasticizing in the extruder, extruding, cooling, then sending into a granulator for granulation, standing the obtained particles for 22-25 h, and fully drying to obtain modified polypropylene resin particles;
step two, melting and extruding the modified polypropylene resin particles prepared in the step one at high temperature to prepare bottle blanks, and blowing the bottle blanks into medicine bottles by using clean high-pressure air;
and step three, placing the medicine bottle prepared in the step two into an autoclave for sterilization, wherein the internal pressure is controlled to be 0.20-0.35 MPa, the sterilization temperature is 117-121 ℃, and the sterilization time is 12-20 min, so that the impact-resistant sterilized polypropylene medicine bottle is prepared.
Further, the cooling mode in the first step is a water tank passing through n-hexane.
Furthermore, the injection control mode in the step two is a five-speed five-pressure method, and stretching pre-blowing is performed before blow molding and shaping.
Further, the five-stage pressure in the five-speed five-pressure method is as follows: one to three levels of 12MPa, four levels of 11MPa and five levels of 9.5 MPa.
The invention has the beneficial effects that: the temperature resistance of the polypropylene medicine bottle prepared by the invention is up to 125 ℃, so that the polypropylene medicine bottle can be directly sterilized at high temperature or filled at high temperature; the blending of other plastic components such as nucleating agent, high density polyethylene resin and the like not only improves the impact resistance of the polypropylene medicine bottle, but also improves the glossiness, the polypropylene medicine bottle does not break after naturally falling from 1.5m, and the polypropylene medicine bottle can effectively protect medicines in use.
Detailed Description
The invention is further illustrated by the following examples:
the formula of the impact-resistant sterilized polypropylene medicine bottle comprises the following components in parts by weight:
70.0-90.0 parts of heat-resistant homo-polypropylene resin,
6.0 to 9.0 parts of high-density polyethylene resin,
1.0-4.0 parts of color master batch,
0.1 to 0.9 part of structure stabilizer,
1.0-4.0 parts of maleic anhydride grafted polypropylene resin,
0.1 to 2.0 parts of PXA-LA particles,
0.3-1.0 part of nucleating agent.
Further, the nucleating agent is one of sorbitol nucleating agent, talcum powder, mica and silicon dioxide.
Further, the density of the heat-resistant homo-polypropylene resin is 0.885-0.910 g/cm3The mass flow rate of the melt is 0.5-3.5 g/10min, and the thermal deformation temperature is higher than 130 ℃.
Further, the density of the high-density polyethylene resin is 0.935-0.965 g/cm3The melt mass flow rate is 0.5-3.5 g/10min, the tensile strength is higher than 30MPa, and the elongation at break is higher than 700%.
Further, the structure stabilizer is one or more of organic phosphate, calcium stearate, zinc stearate, polyethylene terephthalate and polymethyl methacrylate.
A manufacturing process of an impact-resistant sterilized polypropylene medicine bottle comprises the following specific steps:
weighing heat-resistant homo-polypropylene resin, high-density polyethylene resin, a structural stabilizer, maleic anhydride grafted polypropylene resin, PXA-LA particles and a nucleating agent in parts by weight, uniformly mixing, placing in an extruder, plasticizing in the extruder, extruding, cooling, then sending into a granulator for granulation, standing the obtained particles for 22-25 h, and fully drying to obtain modified polypropylene resin particles;
step two, melting and extruding the modified polypropylene resin particles prepared in the step one at high temperature to prepare bottle blanks, and blowing the bottle blanks into medicine bottles by using clean high-pressure air;
and step three, placing the medicine bottle prepared in the step two into an autoclave for sterilization, wherein the internal pressure is controlled to be 0.20-0.35 MPa, the sterilization temperature is 117-121 ℃, and the sterilization time is 12-20 min, so that the impact-resistant sterilized polypropylene medicine bottle is prepared.
Further, the cooling mode in the first step is a water tank passing through n-hexane.
Furthermore, the injection control mode in the step two is a five-speed five-pressure method, and stretching pre-blowing is performed before blow molding and shaping.
Further, the five-stage pressure in the five-speed five-pressure method is as follows: one to three levels of 12MPa, four levels of 11MPa and five levels of 9.5 MPa.
The invention has the beneficial effects that: the temperature resistance of the polypropylene medicine bottle prepared by the invention is up to 125 ℃, so that the polypropylene medicine bottle can be directly sterilized at high temperature or filled at high temperature; the blending of other plastic components such as nucleating agent, high density polyethylene resin and the like not only improves the impact resistance of the polypropylene medicine bottle, but also improves the glossiness, the polypropylene medicine bottle does not break after naturally falling from 1.5m, and the polypropylene medicine bottle can effectively protect medicines in use.
Example one
The formula of the impact-resistant sterilized polypropylene medicine bottle comprises the following components in parts by weight:
70.0 parts of heat-resistant homo-polypropylene resin,
6.0 parts of high-density polyethylene resin,
1.0 part of color master batch,
0.1 part of structure stabilizer,
1.0 part of maleic anhydride grafted polypropylene resin,
0.1 part of PXA-LA particles,
0.3 part of nucleating agent.
Further, the nucleating agent is one of sorbitol nucleating agent, talcum powder, mica and silicon dioxide.
Further, the heat-resistant type homo-polypropylene resin had a density of 0.885g/cm3The melt mass flow rate is 0.5g/10min, and the heat distortion temperature is higher than 130 ℃.
Further, the density of the high-density polyethylene resin is 0.935g/cm3The melt mass flow rate is 0.5g/10min, the tensile strength is higher than 30MPa, and the elongation at break is higher than 700%.
Further, the structure stabilizer is one or more of organic phosphate, calcium stearate, zinc stearate, polyethylene terephthalate and polymethyl methacrylate.
A manufacturing process of an impact-resistant sterilized polypropylene medicine bottle comprises the following specific steps:
weighing heat-resistant homo-polypropylene resin, high-density polyethylene resin, a structural stabilizer, maleic anhydride grafted polypropylene resin, PXA-LA particles and a nucleating agent in parts by weight, uniformly mixing, placing in an extruder, plasticizing in the extruder, extruding, cooling, then sending into a granulator for granulation, standing the obtained particles for 22 hours, and fully drying to obtain modified polypropylene resin particles;
step two, melting and extruding the modified polypropylene resin particles prepared in the step one at high temperature to prepare bottle blanks, and blowing the bottle blanks into medicine bottles by using clean high-pressure air;
and step three, placing the medicine bottle prepared in the step two into an autoclave for sterilization, wherein the internal pressure is controlled to be 0.20MPa, the sterilization temperature is 117 ℃, and the sterilization time is 12min, so as to prepare the impact-resistant sterilized polypropylene medicine bottle.
Further, the cooling mode in the first step is a water tank passing through n-hexane.
Furthermore, the injection control mode in the step two is a five-speed five-pressure method, and stretching pre-blowing is performed before blow molding and shaping.
Further, the five-stage pressure in the five-speed five-pressure method is as follows: one to three levels of 12MPa, four levels of 11MPa and five levels of 9.5 MPa.
Example two
The formula of the impact-resistant sterilized polypropylene medicine bottle comprises the following components in parts by weight:
90.0 parts of heat-resistant homo-polypropylene resin,
9.0 parts of high-density polyethylene resin,
4.0 parts of color master batch,
0.9 portion of structure stabilizer,
4.0 parts of maleic anhydride grafted polypropylene resin,
2.0 parts of PXA-LA particles,
1.0 part of nucleating agent.
Further, the nucleating agent is one of sorbitol nucleating agent, talcum powder, mica and silicon dioxide.
Further, the density of the heat-resistant type homo-polypropylene resin was 0.910g/cm3A melt mass flow rate of 3.5g/10min and a heat distortion temperature of more than 130℃。
Further, the density of the high-density polyethylene resin is 0.965g/cm3The melt mass flow rate is 3.5g/10min, the tensile strength is higher than 30MPa, and the elongation at break is higher than 700%.
Further, the structure stabilizer is one or more of organic phosphate, calcium stearate, zinc stearate, polyethylene terephthalate and polymethyl methacrylate.
A manufacturing process of an impact-resistant sterilized polypropylene medicine bottle comprises the following specific steps:
weighing heat-resistant homo-polypropylene resin, high-density polyethylene resin, a structural stabilizer, maleic anhydride grafted polypropylene resin, PXA-LA particles and a nucleating agent in parts by weight, uniformly mixing, placing in an extruder, plasticizing in the extruder, extruding, cooling, then sending into a granulator for granulation, standing the obtained particles for 25h, and fully drying to obtain modified polypropylene resin particles;
step two, melting and extruding the modified polypropylene resin particles prepared in the step one at high temperature to prepare bottle blanks, and blowing the bottle blanks into medicine bottles by using clean high-pressure air;
and step three, placing the medicine bottle prepared in the step two into an autoclave for sterilization, wherein the internal pressure is controlled to be 0.35MPa, the sterilization temperature is 121 ℃, and the sterilization time is 20min, so that the impact-resistant sterilized polypropylene medicine bottle is prepared.
Further, the cooling mode in the first step is a water tank passing through n-hexane.
Furthermore, the injection control mode in the step two is a five-speed five-pressure method, and stretching pre-blowing is performed before blow molding and shaping.
Further, the five-stage pressure in the five-speed five-pressure method is as follows: one to three levels of 12MPa, four levels of 11MPa and five levels of 9.5 MPa.
EXAMPLE III
The formula of the impact-resistant sterilized polypropylene medicine bottle comprises the following components in parts by weight:
80.0 parts of heat-resistant homo-polypropylene resin,
7.0 parts of high-density polyethylene resin,
3.0 parts of color master batch,
0.5 portion of structure stabilizer,
2.0 parts of maleic anhydride grafted polypropylene resin,
1.0 part of PXA-LA particles,
0.5 part of nucleating agent.
Further, the nucleating agent is one of sorbitol nucleating agent, talcum powder, mica and silicon dioxide.
Further, the heat-resistant type homo-polypropylene resin has a density of 0.90g/cm3The melt mass flow rate is 2.0g/10min, and the heat distortion temperature is higher than 130 ℃.
Further, the density of the high-density polyethylene resin is 0.945g/cm3The melt mass flow rate is 0.9g/10min, the tensile strength is higher than 30MPa, and the elongation at break is higher than 700%.
Further, the structure stabilizer is one or more of organic phosphate, calcium stearate, zinc stearate, polyethylene terephthalate and polymethyl methacrylate.
A manufacturing process of an impact-resistant sterilized polypropylene medicine bottle comprises the following specific steps:
weighing heat-resistant homo-polypropylene resin, high-density polyethylene resin, a structural stabilizer, maleic anhydride grafted polypropylene resin, PXA-LA particles and a nucleating agent in parts by weight, uniformly mixing, placing in an extruder, plasticizing in the extruder, extruding, cooling, then sending into a granulator for granulation, standing the obtained particles for 23 hours, and fully drying to obtain modified polypropylene resin particles;
step two, melting and extruding the modified polypropylene resin particles prepared in the step one at high temperature to prepare bottle blanks, and blowing the bottle blanks into medicine bottles by using clean high-pressure air;
and step three, placing the medicine bottle prepared in the step two into an autoclave for sterilization, wherein the internal pressure is controlled to be 0.25MPa, the sterilization temperature is 120 ℃, and the sterilization time is 15min, so as to prepare the impact-resistant sterilized polypropylene medicine bottle.
Further, the cooling mode in the first step is a water tank passing through n-hexane.
Furthermore, the injection control mode in the step two is a five-speed five-pressure method, and stretching pre-blowing is performed before blow molding and shaping.
Further, the five-stage pressure in the five-speed five-pressure method is as follows: one to three levels of 12MPa, four levels of 11MPa and five levels of 9.5 MPa.
The present invention has been described in connection with the specific embodiments, and it is obvious that the specific implementation of the present invention is not limited by the above-mentioned manner, and it is within the protection scope of the present invention as long as various modifications are made by using the method concept and technical solution of the present invention, or the present invention is directly applied to other occasions without modification.
Claims (9)
1. The formula of the impact-resistant sterilized polypropylene medicine bottle is characterized in that the formula comprises the following components in parts by weight:
70.0-90.0 parts of heat-resistant homo-polypropylene resin,
6.0 to 9.0 parts of high-density polyethylene resin,
1.0-4.0 parts of color master batch,
0.1 to 0.9 part of structure stabilizer,
1.0-4.0 parts of maleic anhydride grafted polypropylene resin,
0.1 to 2.0 parts of PXA-LA particles,
0.3-1.0 part of nucleating agent.
2. The formulation of an impact-resistant sterilized polypropylene vial as defined in claim 1, wherein the nucleating agent is one of sorbitol nucleating agent, talc, mica, silica.
3. The formulation of an impact-resistant sterilized polypropylene bottle as claimed in claim 1, wherein the heat-resistant homo-polypropylene resin has a density of 0.885-0.910 g/cm3The mass flow rate of the melt is 0.5-3.5 g/10min, and the thermal deformation temperature is higher than 130 ℃.
4. The method of claim 1 wherein the sterilizing polypropylene vial has an impact resistanceThe formula is characterized in that the density of the high-density polyethylene resin is 0.935-0.965 g/cm3The melt mass flow rate is 0.5-3.5 g/10min, the tensile strength is higher than 30MPa, and the elongation at break is higher than 700%.
5. The formulation of an impact resistant sterilized polypropylene vial as defined in claim 1, wherein the structural stabilizer is one or more of an organic phosphate, calcium stearate, zinc stearate, polyethylene terephthalate, and polymethyl methacrylate.
6. A manufacturing process of an impact-resistant sterilized polypropylene medicine bottle is characterized by comprising the following specific steps:
weighing heat-resistant homo-polypropylene resin, high-density polyethylene resin, a structural stabilizer, maleic anhydride grafted polypropylene resin, PXA-LA particles and a nucleating agent in parts by weight, uniformly mixing, placing in an extruder, plasticizing in the extruder, extruding, cooling, then sending into a granulator for granulation, standing the obtained particles for 22-25 h, and fully drying to obtain modified polypropylene resin particles;
step two, melting and extruding the modified polypropylene resin particles prepared in the step one at high temperature to prepare bottle blanks, and blowing the bottle blanks into medicine bottles by using clean high-pressure air;
and step three, placing the medicine bottle prepared in the step two into an autoclave for sterilization, wherein the internal pressure is controlled to be 0.20-0.35 MPa, the sterilization temperature is 117-121 ℃, and the sterilization time is 12-20 min, so that the impact-resistant sterilized polypropylene medicine bottle is prepared.
7. The process of claim 6, wherein the cooling step in step one is carried out by passing n-hexane through a water bath.
8. The process for preparing an impact-resistant sterilized polypropylene medicine bottle according to claim 6, wherein the injection control in step two is a five-speed five-pressure method, and the injection control in step two is performed by stretching and pre-blowing before blow molding.
9. The process of claim 8, wherein the five-stage pressure in the five-speed five-pressure method is: one to three levels of 12MPa, four levels of 11MPa and five levels of 9.5 MPa.
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| CN201911154258.6A CN111040292A (en) | 2019-11-22 | 2019-11-22 | Formula and manufacturing process of impact-resistant sterilized polypropylene medicine bottle |
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| CN201911154258.6A CN111040292A (en) | 2019-11-22 | 2019-11-22 | Formula and manufacturing process of impact-resistant sterilized polypropylene medicine bottle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736176A (en) * | 2021-09-14 | 2021-12-03 | 新汉方(广东)科技有限公司 | Composite food-grade oral liquid bottle and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247287A (en) * | 2010-05-20 | 2011-11-23 | 石家庄四药有限公司 | Making and sterilizing method of polypropylene plastic infusion bottle |
| CN105623090A (en) * | 2016-02-02 | 2016-06-01 | 广东吉邦士新材料股份有限公司 | Heat-resistant polypropylene blended particles and preparation method thereof |
| CN105837938A (en) * | 2016-04-28 | 2016-08-10 | 台山市新建业（药用）五金包装有限公司 | Preparing method for oral solution plastic bottle |
| CN109971070A (en) * | 2019-03-29 | 2019-07-05 | 贵州千叶药品包装股份有限公司 | A kind of polypropylene medicine bottle formula and preparation method thereof that can be used for high-temperature sterilization |
-
2019
- 2019-11-22 CN CN201911154258.6A patent/CN111040292A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247287A (en) * | 2010-05-20 | 2011-11-23 | 石家庄四药有限公司 | Making and sterilizing method of polypropylene plastic infusion bottle |
| CN105623090A (en) * | 2016-02-02 | 2016-06-01 | 广东吉邦士新材料股份有限公司 | Heat-resistant polypropylene blended particles and preparation method thereof |
| CN105837938A (en) * | 2016-04-28 | 2016-08-10 | 台山市新建业（药用）五金包装有限公司 | Preparing method for oral solution plastic bottle |
| CN109971070A (en) * | 2019-03-29 | 2019-07-05 | 贵州千叶药品包装股份有限公司 | A kind of polypropylene medicine bottle formula and preparation method thereof that can be used for high-temperature sterilization |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736176A (en) * | 2021-09-14 | 2021-12-03 | 新汉方(广东)科技有限公司 | Composite food-grade oral liquid bottle and preparation method thereof |
| CN113736176B (en) * | 2021-09-14 | 2023-09-22 | 新汉方(广东)科技有限公司 | Composite food-grade oral liquid bottle and preparation method thereof |
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Application publication date: 20200421 |
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