CN109233250A - Anti-aging PPR pipe - Google Patents
Anti-aging PPR pipe Download PDFInfo
- Publication number
- CN109233250A CN109233250A CN201810950292.3A CN201810950292A CN109233250A CN 109233250 A CN109233250 A CN 109233250A CN 201810950292 A CN201810950292 A CN 201810950292A CN 109233250 A CN109233250 A CN 109233250A
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- China
- Prior art keywords
- aging
- layer
- ppr pipe
- weight
- pipe according
- Prior art date
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
-
- 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
- C08K3/18—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (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)
Abstract
The invention discloses a kind of anti-aging PPR pipes, are disposed with the first anti-aging layer, the first adhesive layer, atactic copolymerized polypropene layer, the second adhesive layer, atactic copolymerized polypropene layer, third adhesive layer and the second anti-aging layer from the inside to the outside；First anti-aging layer and the second anti-aging layer are mainly made of the material of following parts by weight: 30~50 parts by weight of organic silicon modified polyurethane resin；15~18 parts by weight of Hydroxylated acrylic resin；6~12 parts by weight of tetrafluoraoethylene-hexafluoropropylene copolymer；10~14 parts by weight of age-inhibiting addition；2~4 weight of stabilizer；1~3 parts by weight of beta-cyclodextrin.Anti-aging PPR pipe of the invention improves its anti-aging property by the way that the first anti-aging layer and the second anti-aging layer are respectively set above and below atactic copolymerized polypropene layer.
Description
Technical field
The present invention relates to plastic pipe technical field, in particular to a kind of anti-aging PPR pipe.
Background technique
PPR pipe road product is made of atactic copolymerized polypropene.It is after crosslinked polyethylene, polybutene tubing, again
A kind of novel thermoplastic plastic pipe.The pipeline produced by PPR has light weight, heat resistance good, and heating conduction is lower,
Elasticity modulus is smaller, the resistance of ducting is small, hygienic, corrosion-resistant, long service life, easy for installation, connection is reliable and material is recyclable
The features such as utilization, can be widely used for various hot water pipes.But there is also some shortcomings in existing PPR pipe road, mainly have: anti-ageing
Change performance is weaker, construction is easily broken, and creep properties is larger.
Summary of the invention
For the weak and easily rupturable problem of above-mentioned existing PPR pipe anti-aging property, the present invention provides a kind of anti-aging
PPR pipe.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
A kind of anti-aging PPR pipe, in which: it is disposed with the first anti-aging layer, the first adhesive from the inside to the outside
Layer, atactic copolymerized polypropene layer, the second adhesive layer, atactic copolymerized polypropene layer, third adhesive layer and the second anti-aging layer；
Wherein, first anti-aging layer and the second anti-aging layer are mainly made of the material of following parts by weight:
Preferably, the anti-aging PPR pipe, wherein the number of the organic silicon modified polyurethane resin is divided equally
Son amount is 20000~30000g/mol.
Preferably, the anti-aging PPR pipe, wherein the number-average molecular weight of the Hydroxylated acrylic resin is
5600~6000g/mol.
Preferably, the anti-aging PPR pipe, wherein the glass transition temperature of the Hydroxylated acrylic resin
Degree is 30 DEG C~40 DEG C, and hydroxyl value is 20mgKOH/g~40mgKOH/g.
Preferably, the anti-aging PPR pipe, wherein the age-inhibiting addition includes 70~80wt% bis-
Titanium oxide and 20~30wt% silicon nitride.
Preferably, the anti-aging PPR pipe, wherein the titanium dioxide and silicon nitride partial size be 70~
80nm。
Preferably, the anti-aging PPR pipe, wherein the stabilizer includes 30~40wt% ricinoleic acid
Zinc and 60~70wt% phosphorous acid hexichol one last of the ten Heavenly stems ester.
Preferably, the anti-aging PPR pipe, wherein further include the Sr of 1~3 parts by weight3-xGdxFe24041。
Preferably, the anti-aging PPR pipe, wherein in the Sr3-xGdxFe24041In, 0.3≤x≤
0.6。
Preferably, the anti-aging PPR pipe, wherein further include the Macrogol 600 of 2~4 parts by weight.
The utility model has the advantages that
(1) anti-aging PPR pipe of the invention passes through in atactic copolymerized polypropene layer the first anti-aging layer setting up and down
With the second anti-aging layer, its anti-aging property is improved, is prolonged the service life.
(2) anti-aging layer of the invention is using organic silicon modified polyurethane resin as main body, by the way that hydroxy acrylic acid is added
Resin improves its corrosion resistance and anti-aging property；Improve its stress by addition tetrafluoraoethylene-hexafluoropropylene copolymer to open
Fragility, high and low temperature resistance and mechanical property；Improve age resister additive and Polymer Systems by the way that beta-cyclodextrin is added
Compatibility performance；After titanium dioxide and silicon nitride are in conjunction with tetrafluoraoethylene-hexafluoropropylene copolymer, tubing can be effectively promoted in high temperature
Under weatherability and cracking behavior at low temperature, titanium dioxide and silicon nitride can produce synergistic effect；Zinc ricinate and phosphorous
Sour hexichol one last of the ten Heavenly stems ester collaboration is used as stabilizer, and the thermal stability and photostability for improving aging-resistant layer are by being added Sr3- xGdxFe24041The anti-aging function of its UV resistance is further increased, and improves high-temperature-resistant and anti-corrosion shock resistance；It is poly- by being added
Ethylene glycol 600 improves the flexibility of anti-aging layer, prevents its cracking.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of PPR pipe anti-aging in the present invention.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
Referring to Fig.1, the present invention provides a kind of anti-aging PPR pipe, and it is anti-aging to be disposed with first from the inside to the outside
Layer, the first adhesive layer, atactic copolymerized polypropene layer, the second adhesive layer, atactic copolymerized polypropene layer, third adhesive layer and
Second anti-aging layer；
Wherein, the first anti-aging layer and the second anti-aging layer are mainly made of the material of following parts by weight:
Main body of the organic silicon modified polyurethane resin as anti-aging layer, with heat resistance and weatherability；Pass through addition
Hydroxylated acrylic resin improves its corrosion resistance and anti-aging property；Tetrafluoraoethylene-hexafluoropropylene copolymer has excellent
High and low temperature resistance, chemical stability, weatherability and greasy property are changed by the way that tetrafluoraoethylene-hexafluoropropylene copolymer is added
It is apt to its stress cracking resistance, high and low temperature resistance and mechanical property；Improve age resister additive and height by the way that beta-cyclodextrin is added
The compatibility performance of molecular system.
As the another embodiment of this case, wherein the number-average molecular weight of organic silicon modified polyurethane resin be 20000~
30000g/mol.The number-average molecular weight of organic silicon modified polyurethane resin can influence its heat resistance and weather resistance, therefore,
The number-average molecular weight of organic silicon modified polyurethane resin should be restricted.
As the another embodiment of this case, wherein the number-average molecular weight of Hydroxylated acrylic resin is 5600~6000g/mol.
As the another embodiment of this case, wherein the glass transition temperature of Hydroxylated acrylic resin is 30 DEG C~40 DEG C,
Hydroxyl value is 20mgKOH/g~40mgKOH/g.The glass transition temperature of Hydroxylated acrylic resin will affect hardness after its film forming,
And then influencing its cracking performance, the hydroxyl value of Hydroxylated acrylic resin will affect its corrosion resistance and anti-aging property, therefore hydroxyl
The glass transition temperature and hydroxyl value of acrylic resin should be restricted.
As the another embodiment of this case, wherein age resister additive include 70~80wt% titanium dioxide and 20~
30wt% silicon nitride.After titanium dioxide and silicon nitride are in conjunction with tetrafluoraoethylene-hexafluoropropylene copolymer, it can effectively promote tubing and exist
Weatherability under high temperature and cracking behavior at low temperature, titanium dioxide and silicon nitride can produce synergistic effect.
As the another embodiment of this case, wherein titanium dioxide and silicon nitride partial size are 70~80nm.
As the another embodiment of this case, wherein stabilizer includes 30~40wt% zinc ricinate and 60~70wt% sub-
Phosphoric acid hexichol one last of the ten Heavenly stems ester.Zinc ricinate and the collaboration of phosphorous acid hexichol one last of the ten Heavenly stems ester are used as stabilizer, and the heat for improving aging-resistant layer is steady
Qualitative and photostability.
As the another embodiment of this case, wherein further include the Sr of 1~3 parts by weight3-xGdxFe24041.By the way that Sr is added3- xGdxFe24041The anti-aging function of its UV resistance is further increased, and improves high-temperature-resistant and anti-corrosion shock resistance.
As the another embodiment of this case, wherein in Sr3-xGdxFe24041In, 0.3≤x≤0.6.The range of x will determine anti-
The performance quality of aging layer, therefore the numerical value of x should also be limited,
As the another embodiment of this case, wherein further include the Macrogol 600 of 2~4 parts by weight.By the way that poly- second two is added
Alcohol 600 improves the flexibility of anti-aging layer, prevents its cracking.
Some specific embodiments and comparative example and the performance test results are listed below:
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (10)
1. a kind of anti-aging PPR pipe, it is characterised in that: it is disposed with the first anti-aging layer, the first glue from the inside to the outside
Adhensive layer, atactic copolymerized polypropene layer, the second adhesive layer, atactic copolymerized polypropene layer, third adhesive layer and second are anti-ageing
Change layer；
Wherein, first anti-aging layer and the second anti-aging layer are mainly made of the material of following parts by weight:
2. anti-aging PPR pipe according to claim 1, which is characterized in that the organic silicon modified polyurethane resin
Number-average molecular weight be 20000~30000g/mol.
3. anti-aging PPR pipe according to claim 1, which is characterized in that the number of the Hydroxylated acrylic resin is equal
Molecular weight is 5600~6000g/mol.
4. anti-aging PPR pipe according to claim 1, which is characterized in that the glass of the Hydroxylated acrylic resin
Changing transition temperature is 30 DEG C~40 DEG C, and hydroxyl value is 20mgKOH/g~40mgKOH/g.
5. anti-aging PPR pipe according to claim 1, which is characterized in that the age-inhibiting addition include 70~
80wt% titanium dioxide and 20~30wt% silicon nitride.
6. anti-aging PPR pipe according to claim 5, which is characterized in that the titanium dioxide and silicon nitride partial size
For 70~80nm.
7. anti-aging PPR pipe according to claim 1, which is characterized in that the stabilizer includes 30~40wt%
Zinc ricinate and 60~70wt% phosphorous acid hexichol one last of the ten Heavenly stems ester.
8. anti-aging PPR pipe according to claim 1, which is characterized in that further include the Sr of 1~3 parts by weight3- xGdxFe24041。
9. anti-aging PPR pipe according to claim 8, which is characterized in that in the Sr3-xGdxFe24041In, 0.3
≤x≤0.6。
10. anti-aging PPR pipe according to claim 1, which is characterized in that further include the poly- second two of 2~4 parts by weight
Alcohol 600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950292.3A CN109233250A (en) | 2018-08-20 | 2018-08-20 | Anti-aging PPR pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950292.3A CN109233250A (en) | 2018-08-20 | 2018-08-20 | Anti-aging PPR pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109233250A true CN109233250A (en) | 2019-01-18 |
Family
ID=65070871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950292.3A Pending CN109233250A (en) | 2018-08-20 | 2018-08-20 | Anti-aging PPR pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN109233250A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202892Y (en) * | 2008-06-04 | 2009-03-04 | 浙江伟星新型建材股份有限公司 | Enhanced type PPR composite pipe |
| CN101649932A (en) * | 2009-08-14 | 2010-02-17 | 上海金塑实业有限公司 | Double-layer composite random copolymerization polypropylene antibacterial water feed pipe |
| CN201582502U (en) * | 2009-07-28 | 2010-09-15 | 爱康企业集团(上海)有限公司 | PP-R uvioresistant antibacterial tubing |
| CN104559730A (en) * | 2015-01-07 | 2015-04-29 | 胡运冲 | Preparation method of organic silicon modified polyurethane resin coating |
| CN105605331A (en) * | 2016-01-08 | 2016-05-25 | 江苏江特科技有限公司 | Reinforced type polypropylene pipeline with anti-ageing function and odor removal function |
-
2018
- 2018-08-20 CN CN201810950292.3A patent/CN109233250A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202892Y (en) * | 2008-06-04 | 2009-03-04 | 浙江伟星新型建材股份有限公司 | Enhanced type PPR composite pipe |
| CN201582502U (en) * | 2009-07-28 | 2010-09-15 | 爱康企业集团(上海)有限公司 | PP-R uvioresistant antibacterial tubing |
| CN101649932A (en) * | 2009-08-14 | 2010-02-17 | 上海金塑实业有限公司 | Double-layer composite random copolymerization polypropylene antibacterial water feed pipe |
| CN104559730A (en) * | 2015-01-07 | 2015-04-29 | 胡运冲 | Preparation method of organic silicon modified polyurethane resin coating |
| CN105605331A (en) * | 2016-01-08 | 2016-05-25 | 江苏江特科技有限公司 | Reinforced type polypropylene pipeline with anti-ageing function and odor removal function |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190118 |