CN112679827A - Antibacterial polyethylene pipe and preparation method thereof - Google Patents
Antibacterial polyethylene pipe and preparation method thereof Download PDFInfo
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- CN112679827A CN112679827A CN202011551271.8A CN202011551271A CN112679827A CN 112679827 A CN112679827 A CN 112679827A CN 202011551271 A CN202011551271 A CN 202011551271A CN 112679827 A CN112679827 A CN 112679827A
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Abstract
The invention relates to an antibacterial polyethylene pipe and a preparation method thereof, wherein the antibacterial polyethylene pipe is prepared from the following raw materials in parts by weight: 90-100 parts of ultrahigh molecular weight polyethylene, 45-55 parts of high density polyethylene, 2-8 parts of nano antibacterial agent, 8-14 parts of glass microsphere, 0.5-0.8 part of antioxidant, 9-16 parts of polytetrafluoroethylene, 1-2 parts of coupling agent, 1-3 parts of toughening agent, 0.05-0.09 part of antibacterial synergist and 0.1-0.5 part of stabilizer. The glass beads in the invention can be uniformly distributed in the ultra-high molecular weight polyethylene and high density polyethylene matrixes, so that the dimensional stability is improved, and the polyethylene pipe has good mechanical properties. The nano antibacterial agent and the antibacterial synergist have double effects, the antibacterial rate can reach more than 98%, the antibacterial performance of the polyethylene pipe is obviously improved, bacteria and microbial cells are dead, secondary pollution in the water delivery process is reduced, and the water quality is kept clean and sanitary.
Description
Technical Field
The invention relates to the technical field of pipes, in particular to an antibacterial polyethylene pipe and a preparation method thereof.
Background
At present, polyethylene has one third of the world synthetic resin yield due to excellent structural characteristics and multiple purposes, and one of the best purposes of polyethylene is to produce pipes for conveying any medium except high-concentration strong acid and strong alkali, and the polyethylene is widely used in the fields of water supply, gas conveying, agricultural irrigation and the like. Due to the characteristics of the polyethylene pipe material, the polyethylene pipe material also has certain weaknesses, such as low strength, poor dimensional stability of the extruded pipe material and low thermal deformation temperature. In addition, polyethylene has poor antimicrobial properties, greatly limiting its range of application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an antibacterial polyethylene pipe and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the antibacterial polyethylene pipe is characterized by being prepared from the following raw materials in parts by weight: 90-100 parts of ultrahigh molecular weight polyethylene, 45-55 parts of high density polyethylene, 2-8 parts of nano antibacterial agent, 8-14 parts of glass microsphere, 0.5-0.8 part of antioxidant, 9-16 parts of polytetrafluoroethylene, 1-2 parts of coupling agent, 1-3 parts of toughening agent, 0.05-0.09 part of antibacterial synergist and 0.1-0.5 part of stabilizer.
The viscosity average molecular weight of the ultra-high molecular weight polyethylene is 650 to 750 ten thousand.
The antioxidant is antioxidant 1076 or antioxidant 3114.
The nano antibacterial agent is one of silver ion calcium phosphate, silver ion antibacterial zeolite, silicon dioxide modified organic antibacterial agent and quaternary phosphonium salt antibacterial agent.
The antibacterial synergist is a diethanol monoisopropanolamine maleate compound and ethylene diamine tetraacetic acid according to the weight ratio of 1: 0.5-0.7 by weight ratio.
The stabilizer is an ultraviolet light resistant absorbent.
The coupling agent is silane coupling agent, and the silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The preparation method of the antibacterial polyethylene pipe comprises the following steps:
a, putting ultrahigh molecular weight polyethylene, high density polyethylene, a nano antibacterial agent, glass beads, an antioxidant and polytetrafluoroethylene into a high-speed stirrer, and stirring for 10-15min in the high-speed stirrer to obtain a primary material;
b, adding the antibacterial synergist, the coupling agent, the toughening agent and the stabilizer into the primary material, and stirring for 5-10min to obtain a pretreated material;
and c, extruding and molding the pretreated material by a plunger type extruder to obtain the antibacterial polyethylene pipe.
Step c, in the extrusion molding process: the temperature of the feeding section is 95-115 ℃, the temperature of the connecting body is 155-165 ℃, the temperature of the neck mold is 235-255 ℃, the temperature of the heat-conducting oil is 200 ℃, and the production speed is 1.0-1.5 m/min.
The invention has the beneficial effects that: the glass beads in the invention can be uniformly distributed in the ultra-high molecular weight polyethylene and high density polyethylene matrixes, so that the dimensional stability is improved, and the polyethylene pipe has good mechanical properties. The nano antibacterial agent and the antibacterial synergist have double effects, the antibacterial rate can reach more than 98%, the antibacterial performance of the polyethylene pipe is obviously improved, bacteria and microbial cells are dead, secondary pollution in the water delivery process is reduced, and the water quality is kept clean and sanitary.
Detailed Description
The invention is further illustrated by the following examples:
the antibacterial polyethylene pipe is characterized by being prepared from the following raw materials in parts by weight: 90-100 parts of ultrahigh molecular weight polyethylene, 45-55 parts of high density polyethylene, 2-8 parts of nano antibacterial agent, 8-14 parts of glass microsphere, 0.5-0.8 part of antioxidant, 9-16 parts of polytetrafluoroethylene, 1-2 parts of coupling agent, 1-3 parts of toughening agent, 0.05-0.09 part of antibacterial synergist and 0.1-0.5 part of stabilizer.
The viscosity average molecular weight of the ultra-high molecular weight polyethylene is 650 to 750 ten thousand.
The antioxidant is antioxidant 1076 or antioxidant 3114.
The nano antibacterial agent is one of silver ion calcium phosphate, silver ion antibacterial zeolite, silicon dioxide modified organic antibacterial agent and quaternary phosphonium salt antibacterial agent.
The antibacterial synergist is a diethanol monoisopropanolamine maleate compound and ethylene diamine tetraacetic acid according to the weight ratio of 1: 0.5-0.7 by weight ratio.
The stabilizer is an ultraviolet light resistant absorbent.
The coupling agent is silane coupling agent, and the silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The preparation method of the antibacterial polyethylene pipe comprises the following steps:
a, putting ultrahigh molecular weight polyethylene, high density polyethylene, a nano antibacterial agent, glass beads, an antioxidant and polytetrafluoroethylene into a high-speed stirrer, and stirring for 10-15min in the high-speed stirrer to obtain a primary material;
b, adding the antibacterial synergist, the coupling agent, the toughening agent and the stabilizer into the primary material, and stirring for 5-10min to obtain a pretreated material;
and c, extruding and molding the pretreated material by a plunger type extruder to obtain the antibacterial polyethylene pipe.
Step c, in the extrusion molding process: the temperature of the feeding section is 95-115 ℃, the temperature of the connecting body is 155-165 ℃, the temperature of the neck mold is 235-255 ℃, the temperature of the heat-conducting oil is 200 ℃, and the production speed is 1.0-1.5 m/min.
Example 1
The antibacterial polyethylene pipe is characterized by being prepared from the following raw materials in parts by weight: 90 parts of ultrahigh molecular weight polyethylene, 45 parts of high density polyethylene, 2 parts of nano antibacterial agent, 8 parts of glass microsphere, 0.5 part of antioxidant, 9 parts of polytetrafluoroethylene, 1 part of coupling agent, 1 part of toughening agent, 0.05 part of antibacterial synergist and 0.1 part of stabilizer.
The viscosity average molecular weight of the ultrahigh molecular weight polyethylene was 650 ten thousand.
The antioxidant is antioxidant 1076.
The nano antibacterial agent is one of silver ion calcium phosphate, silver ion antibacterial zeolite, silicon dioxide modified organic antibacterial agent and quaternary phosphonium salt antibacterial agent.
The antibacterial synergist is a diethanol monoisopropanolamine maleate compound and ethylene diamine tetraacetic acid according to the weight ratio of 1: 0.5 by weight ratio.
The stabilizer is an ultraviolet light resistant absorbent.
The coupling agent is silane coupling agent, and the silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The preparation method of the antibacterial polyethylene pipe comprises the following steps:
a, putting ultrahigh molecular weight polyethylene, high density polyethylene, a nano antibacterial agent, glass beads, an antioxidant and polytetrafluoroethylene into a high-speed stirrer, and stirring for 10min in the high-speed stirrer to obtain a primary material;
b, adding the antibacterial synergist, the coupling agent, the toughening agent and the stabilizer into the primary material, and stirring for 5min to obtain a pretreated material;
and c, extruding and molding the pretreated material by a plunger type extruder to obtain the antibacterial polyethylene pipe.
In the extrusion molding process: the temperature of the feeding section is 95 ℃, the temperature of the connecting body is 155 ℃, the temperature of the neck ring is 235 ℃, the temperature of the heat conducting oil is 200 ℃, and the production speed is 1.0 m/min.
Example 2
The antibacterial polyethylene pipe is characterized by being prepared from the following raw materials in parts by weight: 100 parts of ultrahigh molecular weight polyethylene, 55 parts of high density polyethylene, 8 parts of nano antibacterial agent, 14 parts of glass microsphere, 0.8 part of antioxidant, 16 parts of polytetrafluoroethylene, 2 parts of coupling agent, 3 parts of toughening agent, 0.09 part of antibacterial synergist and 0.5 part of stabilizer.
The viscosity average molecular weight of the ultrahigh molecular weight polyethylene was 750 ten thousand.
The antioxidant is antioxidant 3114.
The nano antibacterial agent is one of silver ion calcium phosphate, silver ion antibacterial zeolite, silicon dioxide modified organic antibacterial agent and quaternary phosphonium salt antibacterial agent.
The antibacterial synergist is a diethanol monoisopropanolamine maleate compound and ethylene diamine tetraacetic acid according to the weight ratio of 1: 0.7 by weight ratio.
The stabilizer is an ultraviolet light resistant absorbent.
The coupling agent is silane coupling agent, and the silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The preparation method of the antibacterial polyethylene pipe comprises the following steps:
a, putting ultrahigh molecular weight polyethylene, high density polyethylene, a nano antibacterial agent, glass beads, an antioxidant and polytetrafluoroethylene into a high-speed stirrer, and stirring for 15min in the high-speed stirrer to obtain a primary material;
b, adding the antibacterial synergist, the coupling agent, the toughening agent and the stabilizer into the primary material, and stirring for 10min to obtain a pretreated material;
and c, extruding and molding the pretreated material by a plunger type extruder to obtain the antibacterial polyethylene pipe.
In the extrusion molding process: the temperature of the feeding section is 115 ℃, the temperature of the connector is 165 ℃, the temperature of the neck ring is 255 ℃, the temperature of the heat conducting oil is 200 ℃, and the production speed is 1.5 m/min.
Example 3
The antibacterial polyethylene pipe is characterized by being prepared from the following raw materials in parts by weight: 95 parts of ultrahigh molecular weight polyethylene, 48 parts of high density polyethylene, 6 parts of nano antibacterial agent, 12 parts of glass microsphere, 0.6 part of antioxidant, 12 parts of polytetrafluoroethylene, 1.2 parts of coupling agent, 1.3 parts of toughening agent, 0.06 part of antibacterial synergist and 0.4 part of stabilizer.
The viscosity average molecular weight of the ultrahigh molecular weight polyethylene was 700 ten thousand.
The antioxidant is antioxidant 1076.
The nano antibacterial agent is one of silver ion calcium phosphate, silver ion antibacterial zeolite, silicon dioxide modified organic antibacterial agent and quaternary phosphonium salt antibacterial agent.
The antibacterial synergist is a diethanol monoisopropanolamine maleate compound and ethylene diamine tetraacetic acid according to the weight ratio of 1: 0.6 by weight ratio.
The stabilizer is an ultraviolet light resistant absorbent.
The coupling agent is silane coupling agent, and the silane coupling agent is vinyl triethoxysilane or vinyl trimethoxysilane.
The preparation method of the antibacterial polyethylene pipe comprises the following steps:
a, putting ultrahigh molecular weight polyethylene, high density polyethylene, a nano antibacterial agent, glass beads, an antioxidant and polytetrafluoroethylene into a high-speed stirrer, and stirring for 12min in the high-speed stirrer to obtain a primary material;
b, adding the antibacterial synergist, the coupling agent, the toughening agent and the stabilizer into the primary material, and stirring for 8min to obtain a pretreated material;
and c, extruding and molding the pretreated material by a plunger type extruder to obtain the antibacterial polyethylene pipe.
In the extrusion molding process: the temperature of the feeding section is 100 ℃, the temperature of the connecting body is 160 ℃, the temperature of the neck mold is 240 ℃, the temperature of the heat conducting oil is 200 ℃, and the production speed is 1.2 m/min.
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 (10)
1. The antibacterial polyethylene pipe is characterized by being prepared from the following raw materials in parts by weight: 90-100 parts of ultrahigh molecular weight polyethylene, 45-55 parts of high density polyethylene, 2-8 parts of nano antibacterial agent, 8-14 parts of glass microsphere, 0.5-0.8 part of antioxidant, 9-16 parts of polytetrafluoroethylene, 1-2 parts of coupling agent, 1-3 parts of toughening agent, 0.05-0.09 part of antibacterial synergist and 0.1-0.5 part of stabilizer.
2. The antibacterial polyethylene pipe as claimed in claim 1, wherein the viscosity average molecular weight of the ultrahigh molecular weight polyethylene is 650 to 750 ten thousand.
3. The antimicrobial polyethylene pipe according to claim 1, wherein the antioxidant is antioxidant 1076 or antioxidant 3114.
4. The antibacterial polyethylene pipe as claimed in claim 1, wherein the nano antibacterial agent is one of silver ion calcium phosphate, silver ion antibacterial zeolite, silica modified organic antibacterial agent and quaternary phosphonium salt antibacterial agent.
5. The antimicrobial polyethylene pipe of claim 1 wherein the antimicrobial synergist is a mixture of diethanol monoisopropanolamine maleate compound and ethylene diamine tetraacetic acid in a ratio of 1: 0.5-0.7 by weight ratio.
6. The antimicrobial polyethylene pipe according to claim 1, wherein the stabilizer is an ultraviolet absorber.
7. The antimicrobial polyethylene pipe according to claim 1, wherein the coupling agent is a silane coupling agent.
8. The antibacterial polyethylene pipe according to claim 7, wherein the silane coupling agent is vinyltriethoxysilane or vinyltrimethoxysilane.
9. A method for preparing the antibacterial polyethylene pipe material of any one of claims 1-8, comprising the following steps:
a, putting ultrahigh molecular weight polyethylene, high density polyethylene, a nano antibacterial agent, glass beads, an antioxidant and polytetrafluoroethylene into a high-speed stirrer, and stirring for 10-15min in the high-speed stirrer to obtain a primary material;
b, adding the antibacterial synergist, the coupling agent, the toughening agent and the stabilizer into the primary material, and stirring for 5-10min to obtain a pretreated material;
and c, extruding and molding the pretreated material by a plunger type extruder to obtain the antibacterial polyethylene pipe.
10. The method for preparing the antibacterial polyethylene pipe according to claim 9, wherein in the step c extrusion molding process: the temperature of the feeding section is 95-115 ℃, the temperature of the connecting body is 155-165 ℃, the temperature of the neck mold is 235-255 ℃, the temperature of the heat-conducting oil is 200 ℃, and the production speed is 1.0-1.5 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011551271.8A CN112679827A (en) | 2020-12-24 | 2020-12-24 | Antibacterial polyethylene pipe and preparation method thereof |
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| CN202011551271.8A CN112679827A (en) | 2020-12-24 | 2020-12-24 | Antibacterial polyethylene pipe and preparation method thereof |
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| CN112679827A true CN112679827A (en) | 2021-04-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861365A (en) * | 2014-12-29 | 2015-08-26 | 殷培花 | Antibiotic strengthened polyvinyl chloride tube and production method thereof |
| CN105175863A (en) * | 2015-09-26 | 2015-12-23 | 江苏洁润管业有限公司 | Ultra-high molecular weight polyethylene internal anti-corrosion pipeline |
| CN107501695A (en) * | 2017-10-10 | 2017-12-22 | 宏岳塑胶集团股份有限公司 | A kind of antimicrobial form polyvinyl piping materials and preparation method thereof |
| CN109354752A (en) * | 2018-11-28 | 2019-02-19 | 吉林美高管道系统有限公司 | Polyvinyl piping materials |
-
2020
- 2020-12-24 CN CN202011551271.8A patent/CN112679827A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861365A (en) * | 2014-12-29 | 2015-08-26 | 殷培花 | Antibiotic strengthened polyvinyl chloride tube and production method thereof |
| CN105175863A (en) * | 2015-09-26 | 2015-12-23 | 江苏洁润管业有限公司 | Ultra-high molecular weight polyethylene internal anti-corrosion pipeline |
| CN107501695A (en) * | 2017-10-10 | 2017-12-22 | 宏岳塑胶集团股份有限公司 | A kind of antimicrobial form polyvinyl piping materials and preparation method thereof |
| CN109354752A (en) * | 2018-11-28 | 2019-02-19 | 吉林美高管道系统有限公司 | Polyvinyl piping materials |
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Application publication date: 20210420 |
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