CN112708203A - High-strength environment-friendly polypropylene antibacterial plastic and production process thereof - Google Patents
High-strength environment-friendly polypropylene antibacterial plastic and production process thereof Download PDFInfo
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Abstract
The invention relates to the technical field of high-strength environment-friendly polypropylene antibacterial plastics and discloses a high-strength environment-friendly polypropylene antibacterial plastic which is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 10 parts of glass fiber, 0.3 part of composite antibacterial agent and 0.5 part of catalyst, and the production process of the high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps of adding the catalyst and the composite antibacterial agent, adding the glass fiber according to the requirement of a customized product, heating the processed polypropylene antibacterial plastic again when adding the glass fiber, and increasing the mechanical strength of the environment-friendly polypropylene antibacterial plastic by adding the glass fiber.
Description
Technical Field
The invention relates to the technical field of high-strength environment-friendly polypropylene antibacterial plastics, in particular to a high-strength environment-friendly polypropylene antibacterial plastic and a production process thereof.
Background
Polypropylene is a polymer of propylene produced by addition polymerization. Is white wax-like material, and has transparent and light appearance. The chemical formula is (C3H6) n, the density is 0.89-0.91 g/cm3, the flame retardant is flammable, the melting point is 165 ℃, the softening temperature is about 155 ℃, and the use temperature range is-30-140 ℃. Can resist corrosion of acid, alkali, salt solution and various organic solvents at the temperature of below 80 ℃, and can be decomposed at high temperature and under the action of oxidation. The polypropylene is widely applied to the production of fiber products such as clothes, blankets and the like, medical instruments, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and is also used for packaging foods and medicines.
Polypropylene, PP for short, is a colorless, odorless, nontoxic and semitransparent solid substance. Polypropylene is a thermoplastic synthetic resin with excellent performance, and is colorless translucent thermoplastic light general-purpose plastic. Has chemical resistance, heat resistance, electric insulation, high-strength mechanical property, good high-wear-resistance processing property and the like.
However, the rigidity of the existing environment-friendly polypropylene antibacterial plastic cannot be effectively increased due to the problem of the formula of the existing environment-friendly polypropylene antibacterial plastic, so that the high-strength environment-friendly polypropylene antibacterial plastic and the production process are provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-strength environment-friendly polypropylene antibacterial plastic and a production process thereof, and solves the problems.
(II) technical scheme
In order to achieve the above purpose, the invention provides the following technical scheme: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 10-30 parts of glass fiber, 0.3-0.5 part of composite antibacterial agent and 0.5-0.9 part of catalyst.
The composite antibacterial agent comprises: 1-5 parts of zinc oxide, 2-6 parts of copper oxide, 5-7 parts of ammonium dihydrogen phosphate and 1-6 parts of lithium carbonate.
The catalyst comprises: 1-5 parts of manganese dioxide, 1-2 parts of iron powder and 1-3 parts of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
Preferably, when the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature of the polypropylene is reduced to 65-75 ℃, the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches and then stirred, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
Preferably, after the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
Preferably, when the polypropylene is poured into the container and then heated, the temperature is controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
Preferably, when the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
(III) advantageous effects
Compared with the prior art, the invention provides a production process of organic contaminated soil improvement particles, which has the following beneficial effects:
1. according to the high-strength environment-friendly polypropylene antibacterial plastic and the production process, after the catalyst and the composite antibacterial agent are added, the glass fiber can be added according to the requirement of a customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, and the mechanical strength of the environment-friendly polypropylene antibacterial plastic is increased by adding the glass fiber.
2. According to the high-strength environment-friendly polypropylene antibacterial plastic and the production process, when the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
3. According to the high-strength environment-friendly polypropylene antibacterial plastic and the production process, the composite antibacterial agent is added in the polypropylene, so that the antibacterial effect can be effectively achieved.
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.
The first embodiment is as follows: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 10 parts of glass fiber, 0.3 part of composite antibacterial agent and 0.5 part of catalyst.
The composite antibacterial agent comprises: 1 part of zinc oxide, 2 parts of copper oxide, 5 parts of ammonium dihydrogen phosphate and 1 part of lithium carbonate.
The catalyst comprises: 1 part of manganese dioxide, 1 part of iron powder and 1 part of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
When the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
After the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
When the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
When the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
Example two: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 30 parts of glass fiber, 0.5 part of composite antibacterial agent and 0.9 part of catalyst.
The composite antibacterial agent comprises: 5 parts of zinc oxide, 6 parts of copper oxide, 7 parts of ammonium dihydrogen phosphate and 6 parts of lithium carbonate.
The catalyst comprises: 5 parts of manganese dioxide, 2 parts of iron powder and 3 parts of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
When the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
After the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
When the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
When the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
Example three: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 15 parts of glass fiber, 0.4 part of composite antibacterial agent and 0.7 part of catalyst.
The composite antibacterial agent comprises: 5 parts of zinc oxide, 3 parts of copper oxide, 6 parts of ammonium dihydrogen phosphate and 3 parts of lithium carbonate.
The catalyst comprises: 3 parts of manganese dioxide, 1.3 parts of iron powder and 2.5 parts of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
When the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
After the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
When the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
When the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
Example four: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 25 parts of glass fiber, 0.45 part of composite antibacterial agent and 0.8 part of catalyst.
The composite antibacterial agent comprises: 4 parts of zinc oxide, 5 parts of copper oxide, 6 parts of ammonium dihydrogen phosphate and 4 parts of lithium carbonate.
The catalyst comprises: 3 parts of manganese dioxide, 1.6 parts of iron powder and 2.3 parts of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
When the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
After the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
When the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
When the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
Example five: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 23 parts of glass fiber, 0.35 part of composite antibacterial agent and 0.67 part of catalyst.
The composite antibacterial agent comprises: 4 parts of zinc oxide, 5 parts of copper oxide, 6 parts of ammonium dihydrogen phosphate and 4 parts of lithium carbonate.
The catalyst comprises: 3 parts of manganese dioxide, 1.35 parts of iron powder and 2.5 parts of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
When the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
After the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
When the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
When the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
Example six: the high-strength environment-friendly polypropylene antibacterial plastic is prepared from the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 26 parts of glass fiber, 0.35 part of composite antibacterial agent and 0.65 part of catalyst.
The composite antibacterial agent comprises: 4.5 parts of zinc oxide, 5.3 parts of copper oxide, 5.5 parts of ammonium dihydrogen phosphate and 6 parts of lithium carbonate.
The catalyst comprises: 2 parts of manganese dioxide, 1.36 parts of iron powder and 2.9 parts of aluminum oxide.
A production process of high-strength environment-friendly polypropylene antibacterial plastic comprises the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing is finished to finally prepare the composite antibacterial agent.
S2: preparing a catalyst, preparing a container, then pouring manganese dioxide, iron powder and aluminum oxide into the container in sequence, then mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, stirring again after the time is up, and finally preparing the catalyst.
S3: the polypropylene is poured into a container, and then heated, and then stirred by a stirring device.
S4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
When the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
After the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
When the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
When the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The high-strength environment-friendly polypropylene antibacterial plastic is characterized by adopting the following raw materials: polypropylene, glass fiber, a composite antibacterial agent and a catalyst, wherein the composite antibacterial agent comprises the following components in parts by weight: 100 parts of polypropylene, 10-30 parts of glass fiber, 0.3-0.5 part of composite antibacterial agent and 0.5-0.9 part of catalyst.
2. The high-strength environment-friendly polypropylene antibacterial plastic as claimed in claim 1, is characterized in that: the composite antibacterial agent comprises: 1-5 parts of zinc oxide, 2-6 parts of copper oxide, 5-7 parts of ammonium dihydrogen phosphate and 1-6 parts of lithium carbonate.
3. The high-strength environment-friendly polypropylene antibacterial plastic as claimed in claim 1, is characterized in that: the catalyst comprises: 1-5 parts of manganese dioxide, 1-2 parts of iron powder and 1-3 parts of aluminum oxide.
4. A production process of high-strength environment-friendly polypropylene antibacterial plastic is characterized by comprising the following steps:
s1: preparing a composite antibacterial agent, preparing a container, sequentially pouring zinc oxide, copper oxide, ammonium dihydrogen phosphate and lithium carbonate into the container, stirring and mixing, and standing for ten minutes after mixing to finally prepare the composite antibacterial agent;
s2: preparing a catalyst, preparing a container, sequentially pouring manganese dioxide, iron powder and aluminum oxide into the container, mixing and stirring, adding 1 part of water after stirring, stirring again, standing for twenty minutes, and stirring again after the time is up to obtain the catalyst;
s3: pouring polypropylene into a container, heating the polypropylene, and stirring the polypropylene by using stirring equipment;
s4: then adding a catalyst and a composite antibacterial agent in sequence to finally prepare the high-strength environment-friendly polypropylene antibacterial plastic, and then pouring the prepared high-strength environment-friendly polypropylene antibacterial plastic into a hopper of an extruding machine to prepare the high-strength environment-friendly polypropylene antibacterial plastic into a required shape.
5. The production process of the high-strength environment-friendly polypropylene antibacterial plastic as claimed in claim 4, is characterized in that: when the catalyst and the composite antibacterial agent are added, the polypropylene needs to be firstly kept still until the temperature is reduced to 65-75 ℃, then the catalyst and the composite antibacterial agent are added, and when the catalyst and the composite antibacterial agent are added, the catalyst and the composite antibacterial agent need to be added in batches, and then stirring is carried out, so that the catalyst, the composite antibacterial agent and the polypropylene are fully fused.
6. The production process of the high-strength environment-friendly polypropylene antibacterial plastic as claimed in claim 3, is characterized in that: after the catalyst and the composite antibacterial agent are added, glass fiber can be added according to the requirements of the customized product, when the glass fiber is added, the processed polypropylene antibacterial plastic needs to be heated again, then the polypropylene antibacterial plastic is heated to 200 ℃, then the glass fiber is added for stirring, and in the stirring process, the rotating speed of a rotating shaft of stirring equipment is controlled to be five revolutions per second.
7. The production process of the high-strength environment-friendly polypropylene antibacterial plastic as claimed in claim 3, is characterized in that: when the polypropylene is poured into a container and then heated, the temperature needs to be controlled at 300 ℃, the polypropylene is kept boiling, and after the boiling, the polypropylene is kept standing for a period of time, and then the next process is carried out.
8. The production process of the high-strength environment-friendly polypropylene antibacterial plastic as claimed in claim 3, is characterized in that: when the high-strength environment-friendly polypropylene antibacterial plastic is manufactured by adopting the extrusion molding equipment, PMMA can be compounded on the surface of the high-strength environment-friendly polypropylene antibacterial plastic, so that the rigidity of the high-strength environment-friendly polypropylene antibacterial plastic is increased.
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| CN202110039599.XA CN112708203A (en) | 2021-01-13 | 2021-01-13 | High-strength environment-friendly polypropylene antibacterial plastic and production process thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642127A (en) * | 2013-12-09 | 2014-03-19 | 宁波康氏塑料科技有限公司 | Preparation method of high-strength polypropylene antibacterial plastics |
| CN106715572A (en) * | 2015-06-17 | 2017-05-24 | 株式会社Lg化学 | Polypropylene resin composition and cable coated with same |
| KR20200048051A (en) * | 2018-10-29 | 2020-05-08 | 주식회사 서연이화 | Glass fiber reinforced polypropylene-polyamide resin composition |
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2021
- 2021-01-13 CN CN202110039599.XA patent/CN112708203A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642127A (en) * | 2013-12-09 | 2014-03-19 | 宁波康氏塑料科技有限公司 | Preparation method of high-strength polypropylene antibacterial plastics |
| CN106715572A (en) * | 2015-06-17 | 2017-05-24 | 株式会社Lg化学 | Polypropylene resin composition and cable coated with same |
| KR20200048051A (en) * | 2018-10-29 | 2020-05-08 | 주식회사 서연이화 | Glass fiber reinforced polypropylene-polyamide resin composition |
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Application publication date: 20210427 |