CN108410067A - A kind of hot and cold water compound plastic pipe with antibacterial functions - Google Patents
A kind of hot and cold water compound plastic pipe with antibacterial functions Download PDFInfo
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- CN108410067A CN108410067A CN201711035764.4A CN201711035764A CN108410067A CN 108410067 A CN108410067 A CN 108410067A CN 201711035764 A CN201711035764 A CN 201711035764A CN 108410067 A CN108410067 A CN 108410067A
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- tubing
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- cold water
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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- 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
- C08K3/02—Elements
- C08K3/08—Metals
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- 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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
-
- 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
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of hot and cold water compound plastic pipes with antibacterial functions, and it includes mainly following component to be calculated according to mass fraction：Matrix：100 parts；Glass：15 30 parts；Carrying silver antimicrobials：0.6 3.2 parts；Coupling agent：0.006 0.096 parts.Described matrix is any one in PPR, PB, PPB, PE RT, PE X, WPP, C PVC；The glass can enhance the mechanical property of tubing；The carrying silver antimicrobials can effectively improve the antibiotic property of tubing, avoid the secondary pollution during sponge city water cycle.The present invention improves the anti-microbial property of tubing by adding Ag-carried antibacterial reagent, extends the service life of tubing, is widely used in hot and cold water transportation art.
Description
Technical field
The invention belongs to the technical fields of composite pipe, and in particular to a kind of hot and cold water with antibacterial functions is multiple with plastics
Close tubing.
Background technology
Hot and cold water is mainly used for the conveying of domestic water, radiator connection and bottom plate heating etc. with plastic pipe, has resistance to
High temperature, high pressure resistant, corrosion-resistant, convenient transportation, the advantages that being easily installed.However hot and cold water with plastic pipe in long-term use
Easy growth bacterium and microorganism, tubing inside bacterium and microorganism mass propagation are simultaneously attached in tubing, lead to stream in tubing
Body conveying is unsmooth, and tubule caliber tubing even causes blockages, and the bacterium more seriously grown and microbes are to water
Matter carries out secondary pollution, has seriously endangered our living environment, the problem urgent need to resolve.
Invention content
The present invention provides a kind of hot and cold water compound plastic pipe with antibacterial functions, the composite pipe uses glass
The corrosion resistance and mechanical property of fibre enhancing tubing, the anti-microbial property of tubing is improved using Ag-carried antibacterial reagent, extends tubing
Service life.
The present invention is achieved through the following technical solutions：A kind of hot and cold water plastic composite pipe with antibacterial functions
Material, it includes mainly following component to be calculated according to mass fraction：Matrix：100 parts；Glass：15-30 parts；Carrying silver antimicrobials：0.6-
3.2 part；Coupling agent：0.006-0.096 parts.
Described matrix is any one in PPR, PB, PPB, PE-RT, PE-X, WPP, C-PVC.Hot and cold water is multiple with plastics
The material for preparing for closing tubing has polyethylene, polypropylene based material, corresponding material preparation can be selected to obtain difference as needed
Use the tubing of rank.The tubing can be applied to water process place different in sponge city.
Tubing prepared by described matrix can be used for conveying cold water or hot water, have good rigidity, intensity and shock resistance
Performance；The tubing that the present invention is prepared is a kind of antibacterial, resistance to compression, shock resistance, corrosion-resistant, high temperature resistant, modification composite plastic
Tubing can be used for transmission liquid, gas in industry, agricultural, municipal field.
PPB, that is, block copolymerization polypropylene is formed using propylene and a small amount of ethylene copolymer, there is certain length on strand
Ethylene segment, this structure assign the preferable toughness of PPB；PPB has preferable low-temperature impact resistance simultaneously；The PPB is general
It is less than 60 DEG C of low pressure water system suitable for chilled water system or temperature.
PE-RT is obtained with octene copolymer using ethylene, since the presence of octene short-chain branch makes the macromolecular of polyethylene
It is uncrystallizable but to be applied in several crystal in a flat crystal, the connection between crystal is formd, to make PE-
RT tubing has good flexibility, high thermal conductivity and that corrosivity, while having preferable pressure-resistant performance；The PE-RT
Tubing can be used for the conveying of hot and cold water simultaneously.
PVC-C tubing is generally acknowledged at present green product, has higher high temperature resistance, can 105 DEG C with
Under environment in it is indeformable and have preferable intensity；The PVC-C tubing can be used for the conveying of hot and cold water, be easily installed.
Random copolymerization polypropylene pipe abbreviation PPR pipe is after homopolypropylene, Polypropylene Of Raised Temperature Resistance Pipe material
Third generation novel polypropylene tubing.PPR pipe have excellent impact resistance, corrosion-resistant and heat safe performance, it is good pressure resistance,
The features such as heat preservation and ageing-resistant performance and health nontoxic, easy for installation.
The density of the PPR pipe is 0.89-0.96g/cm3, the tall and big 5MPa or more of compression resistance proof strength, with quality
Gently, specific strength is high.The fluid resistance of the PPR pipe is small, and friction coefficient is only 0.007, is conducive to transmission liquid.The PPR pipe
Material has a preferable heat sealability energy, and tubing and pipe fitting can be used hot-melt adhesive paste, and hot-melt adhesive paste is by the junction of tubing and pipe fitting
It is an entirety to fuse, no fine gap, therefore is not in the phenomenon that connecting leak, and pipeline cost substantially reduces.The PPR
It is tubing recoverable, pollution-free, during production, construction, use, to environment without any pollution, waste material recoverable.
The carrying silver antimicrobials are silver-loaded zirconium phosphate, carry any one in silver-colored titanium dioxide, silver-loaded silica.Carry silver
Inorganic antiseptic be primarily referred to as by the effects that ion exchange and physical absorption by silver ion be deposited to inorganic material surface or
In mesoporous material, inorganic antiseptic is made and makes it have bactericidal effect.Common carrier has zeolite, bentonite, montmorillonite, silicon
The mesoporous materials such as glue, hydroxyapatite and phosphate.The carrying silver antimicrobials antibacterial range is wide, antimicrbial power is strong, persistence is good, peace
It is complete that property is higher, does not generate drug resistance.
The Antibacterial Mechanism of the carrying silver antimicrobials includes mainly haptoreaction and catalysis two kinds of mechanism hypothesis of reaction.It is described to connect
Tactile reaction refers to silver ion and bacterium haptoreaction, and bacterium proper constituent is caused to be destroyed or generate dysfunction so as to cause thin
Bacterium is dead.After thalline loses activity, silver ion again can from thalline separate out, repeat to sterilize, therefore explain silver ion
Durability of antimicrobial effect.
Catalysis reaction refers under the action of light, and silver ion and nano-scale particle can play the work of catalytic active center
With, activate the oxygen in hydrone and air, generate hydroxyl radical free radical and active oxygen ion, the hydroxyl radical free radical and active oxygen from
Son can destroy the proliferative capacity of bacterium in a short time, cause cell death, to achieve the purpose that antibacterial.
In the present invention, when tubing is used for ground water regime, then the carrying silver antimicrobials in tubing release silver ion, described
Silver ion is attached to the surface of tubing, and the silver ion is in contact with the bacterium in water to react, to eliminating bacteria；Work as tubing
When water system on ground, then the carrying silver antimicrobials in tubing release silver ion, and under the irradiation of light, silver ion is main
Catalysis reaction occurs, activates the oxygen in hydrone and air to generate hydroxyl radical free radical and active oxygen ion, to play sterilization
Effect.
In order to preferably realize the present invention, further, the silver carrying amount in the carrying silver antimicrobials is more than 6.5wt%.By
Experiment finds that for same kind of carrying silver antimicrobials under same amount, the bigger antibacterial effect of concentration of silver ions is better；But pass through
Experiment finds inorganic carrying silver antimicrobials since the factors such as the limitation of specific surface area, internal structure cause silver carrying amount not high.Experiment hair
Now when silver carrying amount is more than 6.5wt% in carrying silver antimicrobials, the inorganic carrying silver antimicrobials enumerated are imitated with preferable antibacterial
Fruit；It finds that carrier and silver ion have synergistic effect simultaneously, improves anti-microbial property.
In order to preferably realize the present invention, further, the carrying silver antimicrobials are the carrying silver antimicrobials of meso-hole structure.For
The better antibacterial effect for improving carrying silver antimicrobials, the inside specific surface area by increasing carrier improve silver carrying amount and improve load
Body intercepts the ability of bacterium in water, increases contact of the silver ion with bacterium, to further increase the antibiotic property of carrying silver antimicrobials
Energy.
The coupling agent is Silane coupling agent KH550, silane coupling agent KH560, titanate coupling agent, chlorate's coupling agent
In any one or it is two or more.The coupling agent can improve the compatibility of matrix and carrying silver antimicrobials, improve and carry silver-colored resist
The uniform material of performance is prepared in dispersibility of the microbial inoculum in resin body.
The coupling agent is a kind of substance with heterogeneity functional group, and the maximum feature of molecular structure is in molecule
Containing two different groups of chemical property, one is close inorganic matter group, good with the compatibility of inorganic nano material；Another
It is organophilic group, it is good with resin compatible.The coupling agent can increase the compatibility of carrying silver antimicrobials and matrix, simultaneously
The compatibility that glass and matrix can be increased, to which the uniform composite pipe of performance be prepared.
In order to preferably realize the present invention, further, in the preparation of PP type tubing can add beta nucleater carries
The toughness of high tubing.Polypropylene belongs to half crystal form resin, and crystallinity, the structure of crystal form and crystal and form have its performance
Key effect.There are alpha-crystal form and beta crystal in polyacrylic crystallization, wherein α crystalline substances are most stable, can be obtained and contain under general processing conditions
There is the polypropylene of alpha-crystal form；And β crystalline substances are metastable state, it is not easy to obtain.α crystalline substances have the work for increasing rigidity, improving load deformation temperature
With β crystalline substances can improve polyacrylic shock resistance and load deformation temperature.The beta nucleater is added in polyolefins tubing
α crystalline substances are made to be converted into β crystalline substances, the toughness of reinforced polypropylene class tubing prevents its brittle failure from cracking.
A kind of preparation method of the hot and cold water compound plastic pipe with antibacterial functions, mainly includes the following steps that：
Step S1：Using coupling agent treatment carrying silver antimicrobials；
Step S2：Matrix and carrying silver antimicrobials, beta nucleater, glass, stabilizer, lubricant, color masterbatch, anti-impact modifier are filled
Divide and be uniformly mixed, obtains masterbatch, the extruding pelletization in double screw extruder；
Step S3：By the extruded head extrusion of pellet in step S2, after setting, cooling, traction, winding, technology of the package
Composite pipe is prepared.
In order to preferably realize the present invention, further, the step S1 is mainly included the following steps that：
Step A：Coupling agent is configured to solution；
Step B：Carrying silver antimicrobials are added in the solution prepared in step A1 and are stirred evenly, mixing speed 200-500r/
Min, mixing time 0.5h-4h, it is spare after 40-70 DEG C of drying in an oven.
Stabilizer, lubricant, color masterbatch, the ingredient of anti-impact modifier and content in the step S2 are existing skill
Art, and be not the improvement of the present invention, so it will not be repeated.It is existing that the technique of tubing and technological parameter are prepared in the step S3
Technology, and be not the improvement of the present invention, so it will not be repeated.
The improvement of the present invention primarily directed to antimicrobial formulation in the modification of carrying silver antimicrobials and tubing design, while it is public
The Contrast agent of tubing is opened.
Beneficial effects of the present invention：
（1）Described matrix is any one in PPR, PB, PPB, PE-RT, PE-X, WPP, C-PVC, and described matrix has excellent
Impact resistance, corrosion-resistant and heat safe performance, good pressure resistance, heat preservation and ageing-resistant performance and hygienic nontoxic, installation side
Just the features such as, can be applied to hot and cold water compound plastic pipe；
（2）Using the mechanical property and corrosion resistance of fiberglass reinforced tubing；
（3）The carrying silver antimicrobials utilize the bactericidal effect of silver ion, further increase the fungus resistance of tubing, reduce the two of tubing
Secondary pollution improves the service life of tubing；
（4）The silver carrying amount of the carrying silver antimicrobials is more than 6.5wt%, can effective anti-Escherichia coli, staphylococcus aureus etc.
Bacterium improves the safety of water quality；
（5）Carrier in the carrying silver antimicrobials is meso-hole structure, on the one hand can improve silver carrying amount, on the other hand can improve
The ability of carrier adsorption bacterium, to improve the anti-microbial property of carrying silver antimicrobials；
（6）Using coupling agent treatment carrying silver antimicrobials, the compatibility of carrying silver antimicrobials and matrix is effectively improved, processability is uniform
The hot and cold water compound plastic pipe with antibacterial functions；
（7）The toughness for improving tubing using beta nucleater has synergistic effect, the power of reinforced polypropylene class tubing together with glass
Intensity is learned, while keeping the toughness of PP type tubing.
Specific implementation mode
Embodiment 1：
A kind of hot and cold water compound plastic pipe with antibacterial functions, it includes mainly following component to be calculated according to mass fraction：
100 parts of PPR matrixes；0.1 part of terres rares beta nucleater；15 parts of glass；1.2 parts of the silver-loaded zirconium phosphate superfine powder of meso-hole structure carries
Silver content is 6.5wt%；0.018 part of titanate coupling agent.
Coupling agent treatment silver-loaded zirconium phosphate superfine powder is first used, coupling agent is configured to solution, carrying silver antimicrobials are added and stir
It mixes uniformly, mixing speed 300r/min, mixing time 2h, it is then spare after 60 DEG C of drying in an oven.
By the silver-loaded zirconium phosphate of PPR matrixes and meso-hole structure, beta nucleater, glass, stabilizer, lubricant, color masterbatch, anti-impact
It hits modifying agent to be sufficiently mixed uniformly, obtains masterbatch, the extruding pelletization in double screw extruder；By the extruded head extrusion of pellet,
Composite pipe is prepared after setting, cooling, traction, winding, technology of the package.
For the antibiotic property test method of the tubing by QB/T 2591-2003A tests, detection is Escherichia coli ATCC with bacterium
25922 and Staphylococcus aureus ATCC 6538；The mechanical property of tubing is tested using cupping machine；Using Charpy Impact
Testing machine tests the impact property of tubing；Acid-alkali-corrosive-resisting performance test selection standard is GB/T 11547-2008：Select 98%
As tested media, test temperature is 25 ± 2 DEG C by the concentrated sulfuric acid and 40% dense NaOH, and it is one week to select the period.
It is obtained by experiment test, the tubing is respectively to the antibiotic rate of Escherichia coli and staphylococcus aureus
97.5% and 95.6%；The tensile strength of pure PPR is 21.54MPa, and the tensile strength of the tubing is 38.1MPa, and notch shock is strong
Degree is 78.7KJ/m2, fracture productivity is 357.3%；The acidproof alkali content of the tubing is respectively 95.8%.Comprehensive analysis obtains
Tubing has preferable antibiotic property, and mechanical strength is preferable, while elongation at break is reduced compared to pure PPR, and resistance to acid and alkali is preferable.
The present invention passes through by the corrosion resistance and mechanical property of addition fiberglass reinforced tubing and adds Ag-carried antibacterial reagent
The anti-microbial property for improving tubing, extends the service life of tubing, is widely used in hot and cold water conveying.
Embodiment 2：
A kind of hot and cold water compound plastic pipe with antibacterial functions, it includes mainly following component to be calculated according to mass fraction：
100 parts of PPR matrixes；0.2 part of terres rares beta nucleater；20 parts of glass；2 parts of the load silver nano TiO 2 powder of meso-hole structure carries
Silver content is 7.5wt%；0.03 part of titanate coupling agent.
Coupling agent treatment silver-loaded zirconium phosphate superfine powder is first used, coupling agent is configured to solution, carrying silver antimicrobials are added and stir
It mixes uniformly, mixing speed 400r/min, mixing time 2h, it is then spare after 60 DEG C of drying in an oven.
By the silver-loaded zirconium phosphate of PPR matrixes and meso-hole structure, beta nucleater, glass, stabilizer, lubricant, color masterbatch, anti-impact
It hits modifying agent to be sufficiently mixed uniformly, obtains masterbatch, the extruding pelletization in double screw extruder；By the extruded head extrusion of pellet,
Composite pipe is prepared after setting, cooling, traction, winding, technology of the package.
The test method of the tubing is with embodiment 1, and so it will not be repeated.
It is obtained by experiment test, the tubing is respectively to the antibiotic rate of Escherichia coli and staphylococcus aureus
100%, it can obtain compared with Example 1, the anti-microbial property of the tubing increases with the increase of carrying silver antimicrobials dosage, institute
It states mesoporous silicon oxide and generates synergistic effect with silver ion, improve the antibacterial effect of carrying silver antimicrobials；The tensile strength of pure PPR
Tensile strength for 21.54MPa, the tubing is 48.1MPa, notch impact strength 52.1KJ/m2, being broken productivity is
277.3%, it can be obtained compared to embodiment 1, the mechanical strength of the tubing increases, but degraded toughness, is primarily due to glass
Content increase so that tubing mechanical property enhancing；The acidproof alkali content of the tubing is respectively 98.5%, with the increasing of glass
Add, the corrosion resistance of tubing increases.Comprehensive analysis, which obtains tubing, has preferable antibiotic property, and mechanical strength is preferable, is broken simultaneously
Elongation is reduced compared to pure PPR, and resistance to acid and alkali is preferable.
The present invention passes through by the corrosion resistance and mechanical property of addition fiberglass reinforced tubing and adds Ag-carried antibacterial reagent
The anti-microbial property of tubing is improved, the mesoporous silicon oxide generates synergistic effect with silver ion, improves the anti-of carrying silver antimicrobials
The silica of bacterium effect, the meso-hole structure can adsorb bacterium, to enhance the sterilizing ability of silver ion；Extend tubing
Service life is widely used in hot and cold water conveying.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
According to the technical spirit of the present invention to any simple modification, equivalent variations made by above example, the protection of the present invention is each fallen within
Within the scope of.
Claims (6)
1. a kind of hot and cold water compound plastic pipe with antibacterial functions, which is characterized in that in parts by mass calculate include mainly
Following component：
Matrix：100 parts；
Glass：15-30 parts；
Carrying silver antimicrobials：0.6-3.2 parts；
Coupling agent：0.006-0.096 parts.
2. a kind of hot and cold water compound plastic pipe with antibacterial functions according to claim 1, which is characterized in that institute
It is any one in PPR, PB, PPB, PE-RT, PE-X, WPP, C-PVC to state matrix.
3. a kind of hot and cold water compound plastic pipe with antibacterial functions according to claim 1, which is characterized in that institute
Carrying silver antimicrobials are stated to be silver-loaded zirconium phosphate, carry any one in silver-colored titanium dioxide, silver-loaded silica.
4. a kind of hot and cold water compound plastic pipe with antibacterial functions according to claim 3, which is characterized in that institute
The silver carrying amount stated in carrying silver antimicrobials is more than 6.5wt%.
5. a kind of hot and cold water compound plastic pipe with antibacterial functions according to claim 4, which is characterized in that institute
State the carrying silver antimicrobials that carrying silver antimicrobials are meso-hole structure.
6. a kind of hot and cold water compound plastic pipe with antibacterial functions according to claim 1, which is characterized in that institute
It is any one in Silane coupling agent KH550, silane coupling agent KH560, titanate coupling agent, chlorate's coupling agent to state coupling agent
Kind is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035764.4A CN108410067A (en) | 2017-10-30 | 2017-10-30 | A kind of hot and cold water compound plastic pipe with antibacterial functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035764.4A CN108410067A (en) | 2017-10-30 | 2017-10-30 | A kind of hot and cold water compound plastic pipe with antibacterial functions |
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| Publication Number | Publication Date |
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| CN108410067A true CN108410067A (en) | 2018-08-17 |
Family
ID=63125241
Family Applications (1)
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|---|---|---|---|
| CN201711035764.4A Pending CN108410067A (en) | 2017-10-30 | 2017-10-30 | A kind of hot and cold water compound plastic pipe with antibacterial functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145821A (en) * | 2020-09-28 | 2020-12-29 | 烟台泰悦流体科技有限公司 | A hose assembly for food is carried |
| CN114350078A (en) * | 2021-11-25 | 2022-04-15 | 宏至翎包装制品(昆山)有限公司 | Antibacterial EPS plastic foam and preparation method thereof |
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|---|---|---|---|---|
| CN102226028A (en) * | 2011-04-27 | 2011-10-26 | 湖北福尔家家高新科技有限公司 | Self-cleaning antibacterial beta-crystal form PP-R cold-hot water pipe material and preparation method thereof |
| CN103937110A (en) * | 2014-05-12 | 2014-07-23 | 宁波高新区卓尔化工科技有限公司 | Glass fiber reinforced polypropylene plastic and preparation method thereof |
| CN105524355A (en) * | 2016-01-05 | 2016-04-27 | 杭州旺平科技有限公司 | PP-R self-cleaning kitchen and bath pipe and preparation method thereof |
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2017
- 2017-10-30 CN CN201711035764.4A patent/CN108410067A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226028A (en) * | 2011-04-27 | 2011-10-26 | 湖北福尔家家高新科技有限公司 | Self-cleaning antibacterial beta-crystal form PP-R cold-hot water pipe material and preparation method thereof |
| CN103937110A (en) * | 2014-05-12 | 2014-07-23 | 宁波高新区卓尔化工科技有限公司 | Glass fiber reinforced polypropylene plastic and preparation method thereof |
| CN105524355A (en) * | 2016-01-05 | 2016-04-27 | 杭州旺平科技有限公司 | PP-R self-cleaning kitchen and bath pipe and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145821A (en) * | 2020-09-28 | 2020-12-29 | 烟台泰悦流体科技有限公司 | A hose assembly for food is carried |
| CN114350078A (en) * | 2021-11-25 | 2022-04-15 | 宏至翎包装制品(昆山)有限公司 | Antibacterial EPS plastic foam and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |