CN107725911A - A kind of antibacterial composite insulating pipe - Google Patents
A kind of antibacterial composite insulating pipe Download PDFInfo
- Publication number
- CN107725911A CN107725911A CN201710882247.4A CN201710882247A CN107725911A CN 107725911 A CN107725911 A CN 107725911A CN 201710882247 A CN201710882247 A CN 201710882247A CN 107725911 A CN107725911 A CN 107725911A
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- CN
- China
- Prior art keywords
- layer
- antibacterial
- insulating pipe
- composite insulating
- aluminium alloy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a kind of antibacterial composite insulating pipe; including antibacterial internal layer, aluminium alloy layer, PP R protection tube layer, polyethylene foamed heat-insulation layer and the weather-proof scratch-resistant outer layer being sequentially connected from inside to outside; first adhesive phase is provided between antibacterial internal layer and aluminium alloy layer, second adhesive phase is provided between aluminium alloy layer and PP R protection tube layer.The pipe structure of the present invention is formed by MULTILAYER COMPOSITE, effective antibacterial can be realized, good anti-bacterial effect, safe and non-toxic, effect is lasting and has higher heat endurance, the design of aluminium alloy layer solve thes problems, such as that existing tubing black brittleness and shrinkage factor are big simultaneously, improves the rigidity and operation stability of whole pipe-line system；Tubing safety and environmental protection, high-efficiency insulated and service life are grown.
Description
Technical field
The present invention relates to pipe fitting processing technique field, and in particular to a kind of antibacterial composite insulating pipe.
Background technology
With building energy conservation and booming, insulation need of the people to building heat preservation, building interior conduit of green building
Ask more and more, especially in house ornamentation field.It is a kind of high-molecular organic material yet with polypropylene, itself is easily by micro- life
Thing corrodes, so existing polypropylene pipe easily grows fungi, particularly is more prone to grow below constant damp-warm syndrome environment
Endophytic bacteria, after used a period of time surface will produce one layer of satiny thing, this layer of satiny thing is exactly mainly to be made up of fungi.
And once due to being just difficult to clean after existing pipeline installation, the secondary dirt in water source can be caused by producing the pipeline after fungi
Dye, brings potential safety hazard.And for currently used inorganic silver ion antimicrobial agent, content can be separated out in use
More than the silver ion of national related sanitary standard, meeting do harm to huamn body, there is also appearance for other organic molecule antiseptics
The problem of easily separating out, content declines and reduces antibacterial effectiveness after precipitation.Other polypropylene pipe has black brittleness and shrinkage factor
The problem of big so that the service life of existing polypropylene pipe is relatively low, can not meet use demand.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of antibacterial composite insulating pipe, effective antibacterial, antibacterial can be realized
Effect is good, safe and non-toxic, effect is lasting and has higher heat endurance, and rigidity and the operation for improving whole pipe-line system are steady
It is qualitative；Tubing safety and environmental protection, high-efficiency insulated and service life are grown.
In order to solve the above-mentioned technical problem, technical scheme provided by the invention is as follows：
A kind of antibacterial composite insulating pipe, including be sequentially connected from inside to outside antibacterial internal layer, aluminium alloy layer, PP-R protection pipes
Layer, polyethylene foamed heat-insulation layer and weather-proof scratch-resistant outer layer, the first bonding is provided between the antibacterial internal layer and aluminium alloy layer
Oxidant layer, the aluminium alloy layer and PP-R are provided with second adhesive phase between protecting tube layer.
The antibacterial internal layer is made up of the material of the composition comprising following parts by weight：The packaging antibacterial matrices 6% of molecule~
8%, remaining is PP-R.
The packaging antibacterial matrices of molecule include organic antibacterial functions group group, and the organic anti-bacterial functional group group is in molecule
Shared mass ratio is 30% in packaging antibacterial matrices.
The weather-proof scratch-resistant outer layer is made up of the material by the composition comprising following parts by weight：Linear low density polyethylene (LLDPE)
60~90 parts, 5~15 parts of high density polyethylene (HDPE), 4~20 parts of ethylene-vinyl alcohol copolymer, silane-modified nano titanium oxide 0.5
~2 parts, 0.5~2 part of composite assistant.
The external diameter of the PP-R protections tube layer is more than or equal to 16mm.
The thickness of described polyethylene foamed heat-insulation layer is 5~17mm.
Described polyethylene foamed heat-insulation layer uses closed-cell foam, and abscess-size is 0.2~0.4mm.
The thickness of described weather-proof scratch-resistant outer layer is more than or equal to 0.2mm.
The antibacterial internal layer, first adhesive phase, aluminium alloy layer, second adhesive phase and PP-R protect the gross thickness of tube layer
More than or equal to 2.3mm.
The invention has the advantages that：The pipe structure of the present invention is formed by MULTILAYER COMPOSITE, can be realized effectively anti-
Bacterium, good anti-bacterial effect, safe and non-toxic, effect is lasting and has higher heat endurance, while the design of aluminium alloy layer effectively solves
The problem of existing tubing black brittleness and big shrinkage factor of having determined, improve the rigidity and operation stability of whole pipe-line system；Pipe
Material safety and environmental protection, high-efficiency insulated and service life are grown.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：1st, antibacterial internal layer, 2, first adhesive phase, 3, aluminium alloy layer, 4, second adhesive phase, 5, PP-R protection pipes
Layer, 6, polyethylene foamed heat-insulation layer, 7, weather-proof scratch-resistant outer layer.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
More fully understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, a kind of antibacterial composite insulating pipe, including antibacterial internal layer 1, the aluminium alloy layer being sequentially connected from inside to outside
3rd, PP-R protects tube layer 5, polyethylene foamed heat-insulation layer 6 and weather-proof scratch-resistant outer layer 7, is set between antibacterial internal layer 1 and aluminium alloy layer 3
First adhesive phase 2 is equipped with, second adhesive phase 4 is provided between aluminium alloy layer 3 and PP-R protection tube layer 5.
Wherein PP-R (polypropylene random), atactic copolymerized polypropene is called, good toughness, intensity is high, processing
Excellent performance, creep-resistant property is good under higher temperature, is the conventional tubing making material of present house decoration plumbing.
Pass through first adhesive phase bonding 2, aluminium alloy layer 3 and PP-R protection pipes between antibacterial internal layer 1 and aluminium alloy layer 3
Bonding by the second adhesive layer 4 between layer 5, polyethylene foamed heat-insulation layer 6 is coated on PP-R protection tube layer 5 surface, weather-proof
Scratch-resistant outer layer 7 is coated on the surface of polyethylene foamed heat-insulation layer 6.
Antibacterial internal layer 1 is made up of the material of the composition comprising following parts by weight：Packaging (PPNH) antibacterial matrices of molecule
6%-8%, remaining is PP-R, and PP-R uses PA14D (Daqing Refinery polypropylene).
Further, the packaging antibacterial matrices of molecule include organic antibacterial functions group group, and organic anti-bacterial functional group group is being divided
Shared mass ratio is 30% in the packaging antibacterial matrices of son.
Packaging (PPNH) antibacterial matrices of molecule are that antibacterial functions group is assembled into poly- third using molecule assembling antimicrobial technology
The antibacterial matrices obtained on alkenyl body molecular resin chain, by this kind of technology can resin itself just turn into antibacterial composition
Part, and by the preferred of antibacterial functions group group, can overcome common organic antibacterial agents it is thermo-labile, with polypropylene-base compatability
The shortcomings that poor, intolerant to washing by soaking, with antibacterial is efficient, antibacterial range is wide, safe and non-toxic, effect is lasting, heat endurance is excellent
Advantage.
Weather-proof scratch-resistant outer layer 7 is made up of the material by the composition comprising following parts by weight：LLDPE(Linear Low-
Density Polyethylene, linear low density polyethylene (LLDPE)) 60~90 parts, HDPE (High Density
Polyethylene, high density polyethylene (HDPE)) 5~15 parts, EVOH (Ethylene vinyl alcohol copolymer, ethene-
Ethenol copolymer) 4~20 parts, 0.5~2 part of silane-modified nano titanium oxide, 0.5~2 part of composite assistant.
The external diameter of PP-R protection tube layer 5 is more than or equal to 16mm.
The thickness of polyethylene foamed heat-insulation layer 6 is 5~17mm.
Polyethylene foamed heat-insulation layer 6 uses closed-cell foam, and abscess-size is 0.2~0.4mm.
The thickness of weather-proof scratch-resistant outer layer 7 is more than or equal to 0.2mm.
Antibacterial internal layer 1, first adhesive phase 2, aluminium alloy layer 3, second adhesive phase 4 and PP-R protect the total thickness of tube layer 5
Degree (thickness summation) is more than or equal to 2.3mm.
The production technology of above-mentioned antibacterial composite insulating pipe uses one-step method, i.e., whole multiple tube processes at one time, antibacterial
The production technology of composite insulating pipe comprises the following steps：With extrusion equipment extrusion antibacterial internal layer 1, first adhesive phase is extruded
2 claddings bond the inner surface of antibacterial internal layer 1 and aluminium alloy layer 3, and the extrusion cladding of second adhesive phase 4 bonds the outer of aluminium alloy layer 3
Surface and the inner surface of PP-R protection tube layer 5, then carry out cooling sizing (cooling and shaping), after sizing, in PP-R protection pipes
The outer surface cladding polyethylene foamed heat-insulation layer 6 of layer 5, then after coating weather-proof scratch-resistant outer layer 7 on polyethylene foamed heat-insulation layer 6
The tubing being molded, coding, traction cutting and collecting packing finally are carried out to the tubing of shaping.
Wherein extrusion equipment extrusion antibacterial internal layer 1, i.e., antibacterial internal layer raw material is extruded through tube extrusion former
Formed inner tube；
In the outer surface cladding polyethylene foamed heat-insulation layer 6 of PP-R protection tube layer 5, it is specially：By polyethylene foamed pipe axle
It is coated on after to cutting in PP-R protection tube layer, and is bonded joint-cutting by 350-500 DEG C of hot weld jointing temp, is closely coated on
Polyethylene foamed heat-insulation layer 6 is formed in PP-R protection tube layer.
Weather-proof scratch-resistant outer layer 7 is coated on polyethylene foamed heat-insulation layer 6 is specially：By LLDPE, HDPE, EVOH, silane
Modified nano-titanium dioxide and composite assistant (raw material of weather-proof scratch-resistant outer layer) are mixed evenly by inventory, are then being squeezed
Go out machine melting and polyethylene foamed heat-insulation layer 6 is coated on by extrusion die extrusion, finally carry out cooling and shaping；During this
The extrusion temperature of extruder is 170~240 DEG C, and extruded velocity is 2~15 ms/min.
The extrusion die for being wherein used to coat is connected with liner, and liner is polytetrafluoroethylene (PTFE), carries out die head during extrusion operation
Internal surface temperature is controlled in the range of 150~170 DEG C.
Cooling and shaping uses 5~20 DEG C of water；Hot weld jointing temp is 120~500 DEG C.
The antibacterial internal layer 1 of the multiple tube of the present invention uses packaging (PPNH) antibacterial matrices of molecule, is assembled using molecule anti-
Organic anti-bacterial functional group is assembled on polypropylene matrix molecular resin chain and obtains antibacterial matrices by bacteriumization technology, and overcoming commonly has
Machine antiseptic is thermo-labile, with polypropylene matrix poor compatibility, intolerant to washing by soaking the shortcomings that, have antibacterial efficiently, antibacterial range
Extensively, it is safe and non-toxic, effect is lasting, the excellent advantage of heat endurance.Centre uses the design of aluminium alloy layer 3, efficiently solves existing
The problem of tubing black brittleness and big shrinkage factor, improve the rigidity and operation stability of whole pipe-line system.
The multiple tube of the present invention realizes safe green antibacterial, can effectively avoid the analysis of heavy metal ion (such as silver ion)
Go out；Long-term antibacterial and high-efficiency antimicrobial can be realized, antibacterial range is wide；It is safe and non-toxic, water source can be avoided secondary pollution occur；Energy
Enough realize high-efficiency insulated, the rigidity and operation stability of whole pipeline are higher, and the service life of pipeline has been effectively ensured.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (9)
1. a kind of antibacterial composite insulating pipe, it is characterized in that, including antibacterial internal layer, aluminium alloy layer, the PP- being sequentially connected from inside to outside
R protections tube layer, polyethylene foamed heat-insulation layer and weather-proof scratch-resistant outer layer, the is provided between the antibacterial internal layer and aluminium alloy layer
One adhesive phase, the aluminium alloy layer and PP-R are provided with second adhesive phase between protecting tube layer.
2. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, the antibacterial internal layer is by including the compositions of following parts by weight
Material be made：The packaging antibacterial matrices 6%~8% of molecule, remaining is PP-R.
3. antibacterial composite insulating pipe as claimed in claim 2, it is characterized in that, the packaging antibacterial matrices of molecule include organic
Antibacterial functions group's group, the organic anti-bacterial functional group group shared mass ratio in the packaging antibacterial matrices of molecule is 30%.
4. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, the weather-proof scratch-resistant outer layer is by including following parts by weight
The material of composition be made：60~90 parts of linear low density polyethylene (LLDPE), 5~15 parts of high density polyethylene (HDPE), ethylene vinyl alcohol copolymer
4~20 parts of thing, 0.5~2 part of silane-modified nano titanium oxide, 0.5~2 part of composite assistant.
5. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, the external diameter of the PP-R protections tube layer is more than or equal to
16mm。
6. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, the thickness of described polyethylene foamed heat-insulation layer for 5~
17mm。
7. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, described polyethylene foamed heat-insulation layer is sent out using closed pore
Bubble, abscess-size is 0.2~0.4mm.
8. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, the thickness of described weather-proof scratch-resistant outer layer is more than or waited
In 0.2mm.
9. antibacterial composite insulating pipe as claimed in claim 1, it is characterized in that, the antibacterial internal layer, first adhesive phase, aluminium alloy
The gross thickness of layer, second adhesive phase and PP-R protection tube layer is more than or equal to 2.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882247.4A CN107725911A (en) | 2017-09-26 | 2017-09-26 | A kind of antibacterial composite insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882247.4A CN107725911A (en) | 2017-09-26 | 2017-09-26 | A kind of antibacterial composite insulating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725911A true CN107725911A (en) | 2018-02-23 |
Family
ID=61206939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882247.4A Pending CN107725911A (en) | 2017-09-26 | 2017-09-26 | A kind of antibacterial composite insulating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725911A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150439A (en) * | 2021-04-09 | 2021-07-23 | 佛山市顺德区美的饮水机制造有限公司 | Plastic composition and application thereof, plastic part and preparation method and application thereof |
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| CN204127502U (en) * | 2014-04-30 | 2015-01-28 | 上海蓝翎管业科技有限公司 | Antimicrobial form plastic-aluminum PP-R manages |
| KR20150052568A (en) * | 2013-11-06 | 2015-05-14 | 손완규 | insulating Air cap |
| CN205118475U (en) * | 2015-11-05 | 2016-03-30 | 李新忠 | Compound pipe of anti ultraviolet |
| CN105463840A (en) * | 2015-11-18 | 2016-04-06 | 崔志锋 | A novel polymer antibacterial agent |
| CN106641585A (en) * | 2016-12-20 | 2017-05-10 | 浙江伟星新型建材股份有限公司 | PPR insulating composite tube for home decoration and preparation method of composite tube |
| CN106883519A (en) * | 2017-04-25 | 2017-06-23 | 四川省川汇塑胶有限公司 | Composite pipe and its manufacture method based on atactic copolymerized polypropene |
-
2017
- 2017-09-26 CN CN201710882247.4A patent/CN107725911A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150052568A (en) * | 2013-11-06 | 2015-05-14 | 손완규 | insulating Air cap |
| CN204127502U (en) * | 2014-04-30 | 2015-01-28 | 上海蓝翎管业科技有限公司 | Antimicrobial form plastic-aluminum PP-R manages |
| CN205118475U (en) * | 2015-11-05 | 2016-03-30 | 李新忠 | Compound pipe of anti ultraviolet |
| CN105463840A (en) * | 2015-11-18 | 2016-04-06 | 崔志锋 | A novel polymer antibacterial agent |
| CN106641585A (en) * | 2016-12-20 | 2017-05-10 | 浙江伟星新型建材股份有限公司 | PPR insulating composite tube for home decoration and preparation method of composite tube |
| CN106883519A (en) * | 2017-04-25 | 2017-06-23 | 四川省川汇塑胶有限公司 | Composite pipe and its manufacture method based on atactic copolymerized polypropene |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150439A (en) * | 2021-04-09 | 2021-07-23 | 佛山市顺德区美的饮水机制造有限公司 | Plastic composition and application thereof, plastic part and preparation method and application thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
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