CN103435881B - A kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof - Google Patents
A kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof Download PDFInfo
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- CN103435881B CN103435881B CN201210553101.2A CN201210553101A CN103435881B CN 103435881 B CN103435881 B CN 103435881B CN 201210553101 A CN201210553101 A CN 201210553101A CN 103435881 B CN103435881 B CN 103435881B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof, this composite its form proportioning by weight and be: graphene microchip 0.1 ~ 1.5 part；PE resin 95.0 ~ 98.5 parts；Dispersant 0.5 ~ 3.0 part；0.5 part of antioxidant.The antibacterial feed pipe that the present invention provides, including PE outer wall and antibacterial inner layer tube wall, PE outer wall and the molding by the way of coextrusion of antibacterial inner layer tube wall.Inner layer tube wall is that PE resin interpolation graphene microchip is made, and outer wall is that the suitable color masterbatch of PE resin interpolation is made.Above-mentioned antibacterial feed pipe has the most antibacterial, interception, thus avoids inner layer tube wall to grow, breeds a large amount of antibacterial, and this brings hidden danger to the life and health of people.<!--1-->
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof.
Background technology
Along with growth in the living standard, people increasingly note health problem, but are as the deterioration of environment, and the disease that various antibacterials are caused increasingly takes place frequently, and wherein living closely bound up with people is exactly water, and in water, the content of antibacterial directly determines the quality of water quality.
The existing drinking purpose of tap water water water supply line that is applicable to mostly is PE pipe.It generally is single layer structure, and this pipe is mostly white, shaded effect is bad, if used out of doors for a long time, growth for antibacterial is provided good environment by this, this just frequently results in inside body and easily grows, breeds substantial amounts of antibacterial, and this brings the biggest hidden danger to the life and health of people.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof.
For solving above-mentioned technical problem, it is an object of the invention to be achieved through the following technical solutions.
A kind of antibacterial PE composite, it forms proportioning by weight and is:
Graphene microchip 0.1 ~ 1.5 part；
PE resin 95.0 ~ 98.5 parts；
Dispersant 0.5 ~ 3.0 part；
0.5 part of antioxidant.
Preferably, described graphene microchip is selected from carbon-coating number at ultra-thin Graphene stratiform accumulation body in 15-50 nanometer range of 10-30 layer, thickness, and diameter/thickness is than the graphene microchip for 1000-2000.
Preferably, described PE resin is for raising sub-petrochemical industry HDPE5306J, and melt index is 5.0-7.0.
Preferably, described dispersant is selected from silicone compounds or derivative of fatty acid and its mixture.
Preferably, described antioxidant is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters and three (2,4-di-tert-butyl-phenyl) phosphite ester weight ratio is the mixture of 1:1.
A kind of antibacterial PE composite material and preparation method thereof as above, including step:
A: formula as requested weighs following parts by weight proportioning respectively；
B: described component is placed in high mixer stirring 5 ~ 20 minutes；
C: the mixture obtained in step b is placed in dual-screw-stem machine, through melt extruding, pelletize, process conditions are: district's temperature 130 ~ 160 DEG C, two district's temperature 140 ~ 160 DEG C, three district's temperature 145 ~ 165 DEG C, four district's temperature 150 ~ 165 DEG C, five district's temperature 140 ~ 150 DEG C, six district's temperature 140 ~ 150 DEG C, seven district's temperature 130 ~ 140 DEG C, 140 DEG C of head temperature material, engine speed during extrusion: 430 ~ 500r/min；Rate of feeding: 30 ~ 35r/min.
A kind of antibacterial feed pipe as above, including PE outer wall and antibacterial inner layer tube wall, described PE outer wall and described antibacterial inner layer tube wall by co-extrusion composite mold coextrusion mold, speed of production is 15m/min.Obtaining double-layer antimicrobial feed pipe through cutting of shaping, cool down, cool down again, described antibacterial inner layer tube wall is that antibacterial PE composite is made.
Preferably, described inner layer tube wall thickness is less than PE outer wall thickness.
Preferably, described PE outer wall is coloured PE material.
The method have the advantages that
The antibacterial feed pipe that the present invention provides, including PE outer wall and antibacterial inner layer tube wall, PE outer wall and the molding by the way of coextrusion of antibacterial inner layer tube wall.Inner layer tube wall is that PE resin interpolation graphene microchip is made, and outer wall is that the suitable color masterbatch of PE resin interpolation is made.Above-mentioned antibacterial feed pipe has the most antibacterial, interception, thus avoids inner layer tube wall to grow, breeds a large amount of antibacterial, and this brings hidden danger to the life and health of people.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of antibacterial feed pipe, including PE outer wall and antibacterial inner layer tube wall, PE outer wall and the molding by the way of coextrusion of antibacterial inner layer tube wall.
Above-mentioned antibacterial inner layer tube wall is antibacterial PE composite, its form proportioning by weight be 0.1 ~ 1.0 part of graphene microchip, 99.0 ~ 99.9 parts of PE resins, dispersant 0.5 ~ 2.0 part, antioxidant 0.5-1.0 parts after double screw extruder pelletize, be used further to extrusion molding.Its thickness is at 1.0-2.0mm, and for reducing cost, inner layer tube wall thickness is less than PE outer wall thickness, and above-mentioned PE outer wall is coloured PE material.
Following specifically introduce antibacterial PE composite its composition preparation process.
Embodiment 1:
A: formula as requested weighs following parts by weight proportioning respectively；
Graphene microchip 0.1 part
PE resin 98.4 parts
Dispersant 1.0 parts
0.5 part of antioxidant
B: described component is placed in high mixer stirring 5 ~ 8 minutes；
C: the mixture obtained in step b is placed in dual-screw-stem machine, through melt extruding, pelletize, process conditions are: district's temperature 130 DEG C, two district's temperature 140 DEG C, three district's temperature 145 DEG C, four district's temperature 150 DEG C, five district's temperature 140 DEG C, six district's temperature 140 DEG C, seven district's temperature 130 DEG C, 140 DEG C of head temperature material, engine speed during extrusion: 480r/min；Rate of feeding: 35r/min.
D: by co-extrusion composite mold by common PE outer layer and antibacterial internal layer coextrusion mold, speed of production is 15m/min.Novel double-layer antibacterial PE feed pipe is obtained again through cutting of shaping, cool down, cool down.
In the present embodiment, described PE resin is for raising sub-petrochemical industry HDPE5306J, and melt index is 5.0-7.0；Described graphene microchip is selected from carbon-coating number at ultra-thin Graphene stratiform accumulation body in 15-50 nanometer range of 10-30 layer, thickness, and shape ratio (diameter/thickness than) is the graphene microchip of 1000-2000, and this graphene microchip is self-produced；Described dispersant is selected from silicone compounds or derivative of fatty acid and their mixture, MB50-007, MB50-017, MB50-315 etc. from silicone compounds such as Dow corning company, derivative of fatty acid is selected from N, N-methylene bis stearamide, N, N'-inferior hexyl bis-stearamides, oleamide, erucic amide etc..By adding dispersant, it is possible to effectively prevent above-mentioned Graphene from reuniting, improve Graphene dispersion in system, thus improve the antimicrobial efficiency of Graphene, it is achieved the lifting of pipeline anti-microbial property；Described antioxidant is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters and three (2,4-di-tert-butyl-phenyl) phosphite ester weight ratio is the mixture of 1:1.
Embodiment 2:
A: formula as requested weighs following parts by weight proportioning respectively；
Graphene microchip 0.5 part
PE resin 97.5 parts
Dispersant 1.5 parts
0.5 part of antioxidant
B: described component is placed in high mixer stirring 10 ~ 15 minutes；
C: the mixture obtained in step b is placed in dual-screw-stem machine, through melt extruding, pelletize, process conditions are: district's temperature 130 DEG C, two district's temperature 140 DEG C, three district's temperature 145 DEG C, four district's temperature 150 DEG C, five district's temperature 140 DEG C, six district's temperature 140 DEG C, seven district's temperature 130 DEG C, 140 DEG C of head temperature material, engine speed during extrusion: 430r/min；Rate of feeding: 32r/min.
D: by co-extrusion composite mold by common PE outer layer and antibacterial internal layer coextrusion mold, speed of production is 15m/min.Novel double-layer antibacterial PE feed pipe is obtained again through cutting of shaping, cool down, cool down.
In the present embodiment, described PE resin is for raising sub-petrochemical industry HDPE5306J, and melt index is 5.0-7.0；Described graphene microchip is selected from carbon-coating number at ultra-thin Graphene stratiform accumulation body in 50-100 nanometer range of 10-30 layer, thickness, and shape ratio (diameter/thickness than) is the graphene microchip of 500-1000, and this graphene microchip is self-produced；Described dispersant is selected from silicone compounds or derivative of fatty acid and their mixture, MB50-007, MB50-017, MB50-315 etc. from silicone compounds such as Dow corning company, derivative of fatty acid is selected from N, N-methylene bis stearamide, N, N'-inferior hexyl bis-stearamides, oleamide, erucic amide etc..By adding dispersant, it is possible to effectively prevent above-mentioned Graphene from reuniting, improve Graphene dispersion in system, thus improve the antimicrobial efficiency of Graphene, it is achieved the lifting of pipeline anti-microbial property；Described antioxidant is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters and three (2,4-di-tert-butyl-phenyl) phosphite ester weight ratio is the mixture of 1:1.
Embodiment 3:
A: formula as requested weighs following parts by weight proportioning respectively；
Graphene microchip 1.5 parts
PE resin 95.0 parts
Dispersant 3.0 parts
0.5 part of antioxidant
B: described component is placed in high mixer stirring 15 ~ 20 minutes；
C: the mixture obtained in step b is placed in dual-screw-stem machine, through melt extruding, pelletize, process conditions are: district's temperature 160 DEG C, two district's temperature 160 DEG C, three district's temperature 165 DEG C, four district's temperature 165 DEG C, five district's temperature 150 DEG C, six district's temperature 150 DEG C, seven district's temperature 140 DEG C, 150 DEG C of head temperature material, engine speed during extrusion: 500r/min；Rate of feeding: 30r/min.
D: by co-extrusion composite mold by common PE outer layer and antibacterial internal layer coextrusion mold, speed of production is 15m/min.Novel double-layer antibacterial PE feed pipe is obtained again through cutting of shaping, cool down, cool down.
In the present embodiment, described PE resin is for raising sub-petrochemical industry HDPE5306J, and melt index is 5.0-7.0；Described graphene microchip is selected from carbon-coating number at ultra-thin Graphene stratiform accumulation body in 50-100 nanometer range of 10-30 layer, thickness, and shape ratio (diameter/thickness than) is the graphene microchip of 500-1000, and this graphene microchip is self-produced；Described dispersant is selected from silicone compounds or derivative of fatty acid and their mixture, MB50-007, MB50-017, MB50-315 etc. from silicone compounds such as Dow corning company, derivative of fatty acid is selected from N, N-methylene bis stearamide, N, N'-inferior hexyl bis-stearamides, oleamide, erucic amide etc..By adding dispersant, it is possible to effectively prevent above-mentioned Graphene from reuniting, improve Graphene dispersion in system, thus improve the antimicrobial efficiency of Graphene, it is achieved the lifting of pipeline anti-microbial property；Described antioxidant is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters and three (2,4-di-tert-butyl-phenyl) phosphite ester weight ratio is the mixture of 1:1.
Embodiment 4:
A: formula as requested weighs following parts by weight proportioning respectively；
Graphene microchip 1.5 parts
PE resin 97.5 parts
Dispersant 0.5 part
0.5 part of antioxidant
B: described component is placed in high mixer stirring 15 ~ 20 minutes；
C: the mixture obtained in step b is placed in dual-screw-stem machine, through melt extruding, pelletize, process conditions are: district's temperature 160 DEG C, two district's temperature 160 DEG C, three district's temperature 165 DEG C, four district's temperature 165 DEG C, five district's temperature 150 DEG C, six district's temperature 150 DEG C, seven district's temperature 140 DEG C, 150 DEG C of head temperature material, engine speed during extrusion: 500r/min；Rate of feeding: 30r/min.
D: by co-extrusion composite mold by common PE outer layer and antibacterial internal layer coextrusion mold, speed of production is 15m/min.Novel double-layer antibacterial PE feed pipe is obtained again through cutting of shaping, cool down, cool down.
In the present embodiment, described PE resin is for raising sub-petrochemical industry HDPE5306J, and melt index is 5.0-7.0；Described graphene microchip is selected from carbon-coating number at ultra-thin Graphene stratiform accumulation body in 50-100 nanometer range of 10-30 layer, thickness, and shape ratio (diameter/thickness than) is the graphene microchip of 500-1000, and this graphene microchip is self-produced；Described dispersant is selected from silicone compounds or derivative of fatty acid and their mixture, MB50-007, MB50-017, MB50-315 etc. from silicone compounds such as Dow corning company, derivative of fatty acid is selected from N, N-methylene bis stearamide, N, N'-inferior hexyl bis-stearamides, oleamide, erucic amide etc..By adding dispersant, it is possible to effectively prevent above-mentioned Graphene from reuniting, improve Graphene dispersion in system, thus improve the antimicrobial efficiency of Graphene, it is achieved the lifting of pipeline anti-microbial property；Described antioxidant is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters and three (2,4-di-tert-butyl-phenyl) phosphite ester weight ratio is the mixture of 1:1.
Performance test:
Hot strength is tested by ASTMD638 standard.Specimen types is I type, batten size (mm): 170(length) × (20 ± 0.2) (end portion width) × (4 ± 0.2) (thickness), draw speed is 50mm/min；
Bending strength and bending modulus are tested by ASTMD790 standard.Specimen types is specimen size (mm): (80 ± 2) × (10 ± 0.2) × (4 ± 0.2), and rate of bending is 20mm/min；
Chalpy impact presses ASTMD256 standard detection, batten a size of 63.5mm*12.7mm*3.2mm, and breach residue width is 10.71mm；
Melt index detects according to ASTMD1238, and test condition is 190 DEG C/2.16KG;
Light transmittance is tested according to ASTMD1003 standard.
Anti-microbial property test is by the company standard of " antibiotic plastic antibiotic rate method of testing (film applicator coating) ".
Embodiment 1 ~ 4 formula and material property are shown in Table 1:
Table 1
Can be seen that from embodiment 1～4, the present invention antibacterial PE composite wood has good mechanical performance and processing characteristics, when graphene microchip is 1.5 parts, PE resin is 95.0 parts, dispersant is 3.0 parts, when antioxidant is 0.5 part, PE antimicrobial composite material has reached perfect balance on mechanical performance, processing characteristics and antibacterial effect.
Feed pipe antibacterial to one provided by the present invention, antibacterial PE composite and preparation method thereof are described in detail above, principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, the most all will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (6)
1. an antibacterial PE composite, it is characterised in that it forms proportioning by weight and is:
Described graphene microchip selected from carbon-coating number at ultra-thin Graphene stratiform accumulation body in 15-50 nanometer range of 10-30 layer, thickness, diameter/thickness is than the graphene microchip for 1000-2000, described PE resin is for raising sub-petrochemical industry HDPE5306J, and melt index is 5.0-7.0.
Antibacterial PE composite the most as claimed in claim 1, it is characterised in that: described dispersant is selected from silicone compounds or derivative of fatty acid or its mixture.
Antibacterial PE composite the most as claimed in claim 1, it is characterized in that: described antioxidant is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester and three (2,4-di-tert-butyl-phenyl) phosphite ester weight ratio be the mixture of 1:1.
4. an antibacterial feed pipe, it is characterised in that including that PE outer wall and antibacterial inner layer tube wall, described PE outer wall and described antibacterial inner layer tube wall pass through co-extrusion composite mold coextrusion mold, speed of production is 15m/min；Obtain double-layer antimicrobial feed pipe again through shaping, cool down, cutting, described antibacterial inner layer tube wall is that the antibacterial PE composite described in claim any one of claim 1-3 is made.
Antibacterial feed pipe the most as claimed in claim 4, it is characterised in that described antibacterial inner layer tube wall thickness is less than PE outer wall thickness.
Antibacterial feed pipe the most as claimed in claim 4, it is characterised in that described PE outer wall is coloured PE material.
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| CN201210553101.2A CN103435881B (en) | 2012-12-19 | 2012-12-19 | A kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof |
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| CN201210553101.2A CN103435881B (en) | 2012-12-19 | 2012-12-19 | A kind of antibacterial feed pipe, antibacterial PE composite and preparation method thereof |
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|---|---|---|---|---|
| CN104140588A (en) * | 2014-06-10 | 2014-11-12 | 东莞上海大学纳米技术研究院 | A multi-component halogen-free flame-retardant masterbatch and its preparation method |
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