CN105131435A - High-shading-degree white PPR pipe and preparation method thereof - Google Patents
High-shading-degree white PPR pipe and preparation method thereof Download PDFInfo
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- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/14—Copolymers of propene
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
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Abstract
The invention relates to a high-shading-degree white PPR pipe and a preparation method thereof. The pipe is prepared from, by weight, 100 parts of PPR, 2-5 parts of high-shading-degree white master batches, 0.8-1.8 parts of compound additives and 0.01-0.02 part of key light cut-off agents. The high-shading-degree white PPR pipe is obtained through pipe extrusion forming by a granulation and single screw pipe extruding machine. By the adoption of the technology, the produced high-shading-degree white PPR pipe product meets all index requirements in GB/T18742, the temperature resistance and pressure resistance of the pipe are improved, the light transmittance of the pipe is greatly lowered to be smaller than 0.01% from 3.5%, the white PPR pipe can be also used for outdoor environment, the situation that in the process of using a pipe outdoors, because sunlight transmits through the pipe, breeding and reproducing of green algae are generated is effectively avoided, and the safety of drinking water is further guaranteed.
Description
Technical field
The invention belongs to building plastic tubing technical field, be specifically related to a kind of high obscurity white PPR pipe and preparation method thereof.
Technical background
PPR pipe road has that quality is light, easy to connect, intensity is high, heat-resisting, life-span long health, the advantage such as pollution-free, and feedwater piping market is popularized at home, is the maximum Building Cooling water pipe of current consumption.PPR pipe common is in the market white, grey, green, yellow four kinds of colors.
PPR pipe is divided by mounting means can be divided into bright dress and concealed installation.In the standards such as ISO and EN, plastic pipe and pipe fitting are all had to the requirement of transmittance≤0.2%.The improvement of PPR pipe transmittance is all generally carry out shading by adding look mother, and saturate tubing obscurity is high, and white tubing is from current technique means, even if the look mother more than adding again also exists light leakage phenomenon.From test result, the transmittance < 0.01% of grey tubing, the transmittance < 0.01% of green tubing, the transmittance of white tubing is about 3.5%, and therefore white PPR pipe does not allow bright dress to use.Because pipeline will be subject to the irradiation of daylight during bright dress, in the underproof situation of transmittance, light produces photosynthesis by through tubing to the original a small amount of phycophyta in the water stopped in pipe and microbial spore and carries out flourish, in the past for a long time, algae depends on pipe material inner wall, have a strong impact on water quality, affect HUMAN HEALTH.
PPR pipe in the application process of market, bright fill more, especially rural market.Wherein white tubing also has a large amount of bright dress, white tubing use after 1 year algae infestation serious.Therefore, be necessary that the natural light transmitance controlling water service pipe especially drinking-water pipe is to ensure safe drinking water.
Summary of the invention
For the technological difficulties that prior art exists, the object of the present invention is to provide a kind of high obscurity white PPR pipe and preparation method thereof, by being optimized formula in tubing, solving white polyolefin tubing printing opacity problem.
Described one high obscurity white PPR pipe, is characterized in that the component comprising following parts by weight:
PPR100 part high obscurity white master batch 2-5 part
Composite assistant 0.8-1.8 parts of light closing agents 0.001-0.02 part.
Described one high obscurity white PPR pipe, is characterized in that the component of following parts by weight:
PPR100 part high obscurity white master batch 4 parts
Composite assistant 1.0-1.5 parts of light closing agents 0.003-0.01 part.
Described one high obscurity white PPR pipe, it is characterized in that described high obscurity white master batch is made up of PPR powder, dispersion agent, opalizer, the mass ratio that feeds intake of PPR powder, dispersion agent, opalizer is 100:3.5:24-35.
Described one high obscurity white PPR pipe, is characterized in that described dispersion agent is one or more the mixture in polyethylene wax, ethylene bis stearamide, spread powder; Described opalizer is Rutile type Titanium Dioxide, nano-calcium carbonate, white carbon black or Rutile type Titanium Dioxide, nano-calcium carbonate and white carbon black and the mixture of two or more any ratio of silver-colored aluminium powder, and silver-colored aluminium powder is flakey aluminium silver powder, its sheet footpath and Thickness Ratio 100:1.
Described one high obscurity white PPR pipe, is characterized in that described composite assistant comprises oxidation inhibitor, uv-absorbing agent, photostabilizer.
Described one high obscurity white PPR pipe, it is characterized in that described oxidation inhibitor is the mixture of antioxidant 1010, oxidation inhibitor 1130 and irgasfos 168, the mass ratio that feeds intake of antioxidant 1010, oxidation inhibitor 1130 and irgasfos 168 is the mixture of 1:1.5-2.5:1.5-2.5, and the mass ratio that preferably feeds intake is 1:2:2.
Described one high obscurity white PPR pipe, it is characterized in that described uv-absorbing agent is UV-234, described photostabilizer is photostabilizer 770.
Described one high obscurity white PPR pipe, is characterized in that described smooth closing agent is light closing agent 7276A, for the near-infrared absorption dyestuff of thermoplastics, effectively can intercept the light of 350-800nm wavelength.
The preparation method of described a kind of high obscurity white PPR pipe, is characterized in that comprising the following steps:
1) preparation of tubing auxiliary agent master batch: part PPR, composite assistant and light closing agent are put into stirrer, pours 2-6 into and drip white oil, stirs and pours granulation after twin screw extruder into, obtained tubing auxiliary agent master batch, for subsequent use;
2) preparation of high obscurity white master batch: the carrier PPR powder, dispersion agent, the opalizer that add preparation high obscurity white master batch in homogenizer, take out after stirring and put into twin screw extruder extruding pelletization, obtained tubing height obscurity white master batch, for subsequent use;
3) tubing auxiliary agent master batch, the step 2 prepared by step 1)) to carry out squeezing pipe shaping for the high obscurity white master batch prepared and remaining PPR singe screw pipe extruder, and obtain high obscurity white PPR pipe, this one step preparation method is identical with common tubing.
The preparation method of described a kind of high obscurity white PPR pipe, is characterized in that the PPR ratio added in step 1) and step 3) is 1:9.
By adopting above-mentioned technology, compared with prior art, beneficial effect of the present invention is as follows:
1) carrier of the high matte white Masterbatch in the present invention is PPR powder, and PPR powder and tubing are the raw material of same structure, fully ensure that the consistency of material, improves to the heatproof of tubing and withstand voltage properties;
2) the present invention rises except opacifying property except adding Rutile type Titanium Dioxide in high shading white master batch, separately with the addition of the flakey aluminium silver powder of sheet footpath and Thickness Ratio 100:1, do not changing on the basis of white color phase, aluminium silver powder has the feature parallel with ground after being distributed to carrier, numerous aluminium powders is interconnection, and sized particles is mutually filled up and formed continuous print metallic membrane, has both hidden ground, light again outside reflective coating film, makes the light screening properties that white tubing is specifically good;
3) the present invention by adding light inlet closing agent in the formula of this white PPR pipe, with other component actings in conjunction of the present invention, utilize light closing agent itself effectively can intercept the feature of the visible ray of 350-800nm wavelength, the wavelength region of the light effectively avoiding nature human eye to see is 390nm-780nm, improves the light screening properties of tubing further;
4) the high obscurity white PPR pipe product that the present invention produces meets the indices requirement in GB/T18742, the heat resisting and pressure resisting performance of tubing improves, the transmittance of tubing reduces greatly, transmittance drops to lower than 0.01% from 3.5%, make white PPR pipe also can be used for open air, effectively improve tubing out of doors in use procedure because sunlight causes growing and breeding of green alga through tubing, ensured the safety of tap water further.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
embodiment 1:the preparation of high obscurity white PPR pipe
The preparation of step 1) tubing auxiliary agent master batch: the stirrer light closing agent 7276A of 10 kilograms of PPR pipe raw materials, 200 grams of antioxidant 1010s, 400 grams of oxidation inhibitor, 1130,400 grams of phosphite ester kind antioxidants, 168,150 grams of hydroxybenzotriazole class uv-absorbing agents, 234,150 grams of hindered amine light stabilizers 770 and 5 grams of obstruct 350-800nm wavelength being put into rotating speed 50-100 rev/min, then the white oil of 10-15ml is measured, stir blanking after 10 minutes and obtain tubing auxiliary agent master batch to the granulation of double-screw extruding pelletizing machine, prilling temperature requires each district≤190 DEG C;
Step 2) preparation of high obscurity white master batch: the PPR powder pouring double centner in the homogenizer of 150L into, colored king's spread powder EBS of the PE wax of 3000 grams and 500 grams, 30 kilograms of opalizer Rutile type Titanium Dioxides, 90 grams of aluminium silver powder, then the diffusing oil of 100ml is measured, first low speed mixing 2 minutes, mixing temperature is 30 ~ 40 DEG C, promote pre-dispersed compound, make various raw material can dispersed with bonding together with, 3-4 minute is stirred again in high-speed mixer high speed, temperature control well at 70-80 DEG C (the too high meeting of temperature is dispersed to the unfavorable various raw material of base-material fusing conglomeration), high speed dispersion makes various auxiliary material material footpath control below 100 nanometers, improve and hide performance, carrying out stirring at low speed, the handy stirring at low speed of thing block of some little reunions after high speed dispersion is uniformly dispersed, slowtime is in 60 seconds, discharging from stirrer again, carry out twin screw granulation, " bell " temperature distribution that dual-screw pelletizer each section of Heating temperature is taked " low-high-low ": 1-3 section 185 DEG C, 4-7 section 190 DEG C, 8-10 section 185 DEG C, die head temperature controls at 175 DEG C, obtain high obscurity white master batch, for subsequent use,
The preparation of step 3) height obscurity white PPR pipe: tubing auxiliary agent master batch prepared by 10 kilograms of step 1), 4 kilograms of steps 2) the tubing height obscurity white master batch prepared and after 90 kilograms of RRR tubing special raw materials stir, carry out squeezing pipe with singe screw pipe extruder shaping, obtain high obscurity white PPR pipe; This tube extrusion technique is identical with common PPR pipe production technique.
embodiment 2:the preparation of high obscurity white PPR pipe
The preparation of step 1) tubing auxiliary agent master batch: the stirrer light closing agent 7276F of 10 kilograms of PPR pipe raw materials, 200 grams of antioxidant 1010s, 400 grams of oxidation inhibitor, 1130,400 grams of phosphite ester kind antioxidants, 168,100 grams of hydroxybenzotriazole class uv-absorbing agents, 234,100 grams of hindered amine light stabilizers 770 and 4.8 grams of obstruct 350-850nm wavelength being put into rotating speed 50-100 rev/min, then the white oil of 10-15ml is measured, stir blanking after 10 minutes and obtain tubing auxiliary agent master batch to the granulation of double-screw extruding pelletizing machine, prilling temperature requires each district≤190 DEG C;
Step 2) preparation of high obscurity white master batch: in the homogenizer of 150L, pour the PPR powder of double centner, the PE wax of 3000 grams and colored king's spread powder EBS of 500 grams, 24 kilograms of opalizer Rutile type Titanium Dioxides, 95 grams of aluminium silver powder into, then the diffusing oil of 100ml is measured, first low speed mixing 2 minutes, mixing temperature is 30 ~ 40 DEG C, promote pre-dispersed compound, make various raw material can dispersed with bonding together with.Stir 3-4 minute in high-speed mixer high speed again, control temperature well at 70-80 DEG C; The too high meeting of temperature is dispersed to the unfavorable various raw material of base-material fusing conglomeration.High speed dispersion makes various auxiliary material material footpath control below 100 nanometers, improves and hides performance.Carrying out stirring at low speed, the handy stirring at low speed of thing block of some little reunions after high speed dispersion is uniformly dispersed, slowtime is in 60 seconds, discharging from stirrer again, carries out twin screw granulation, obtains the female master batch of high obscurity white, " bell " temperature distribution that dual-screw pelletizer each section of Heating temperature is taked " low-high-low ": 1-3 section 185 DEG C, 4-7 section 190 DEG C, 8-10 section 185 DEG C, die head temperature controls at 175 DEG C;
The preparation of step 3) height obscurity white PPR pipe: tubing auxiliary agent master batch prepared by 10 kilograms of step 1), 4 kilograms of steps 2) the tubing height obscurity white master batch prepared and after 90 kilograms of RRR tubing special raw materials stir, carry out squeezing pipe with singe screw pipe extruder shaping, described tube extrusion technique is identical with common PPR pipe production technique.
embodiment 3:
The preparation of step 1) tubing auxiliary agent master batch: the stirrer light closing agent 7276E of 10 kilograms of PPR pipe raw materials, 200 grams of antioxidant 1010s, 400 grams of oxidation inhibitor, 1130,400 grams of phosphite ester kind antioxidants, 168,120 grams of hydroxybenzotriazole class uv-absorbing agents, 234,120 grams of hindered amine light stabilizers 770 and 4.2 grams of obstruct 350-950nm wavelength being put into rotating speed 50-100 rev/min, then the white oil of 10-15ml is measured, stir blanking after 10 minutes and obtain tubing auxiliary agent master batch to the granulation of double-screw extruding pelletizing machine, prilling temperature requires each district≤190 DEG C;
Step 2) preparation of high obscurity white master batch: in the homogenizer of 150L, pour the PPR powder of double centner, the PE wax of 3000 grams and colored king's spread powder EBS of 500 grams, 35 kilograms of opalizer Rutile type Titanium Dioxides, 80 grams of aluminium silver powder into, then the diffusing oil of 100ml is measured, first low speed mixing 2 minutes, mixing temperature is 30 ~ 40 DEG C, promote pre-dispersed compound, make various raw material can dispersed with bonding together with.Stir 3-4 minute in high-speed mixer high speed again, control temperature well at 70-80 DEG C; The too high meeting of temperature is dispersed to the unfavorable various raw material of base-material fusing conglomeration.High speed dispersion makes various auxiliary material material footpath control below 100 nanometers, improves and hides performance.Carrying out stirring at low speed; the handy stirring at low speed of thing block of some little reunions after high speed dispersion is uniformly dispersed; slowtime is in 60 seconds; discharging from stirrer again, carries out twin screw granulation, obtains the female master batch of high obscurity white; " bell " temperature distribution that dual-screw pelletizer each section of Heating temperature is taked " low-high-low ": 1-3 section 185 DEG C; 4-7 section 190 DEG C, 8-10 section 185 DEG C, die head temperature controls at 175 DEG C.
The preparation of step 3) height obscurity white PPR pipe: tubing auxiliary agent master batch prepared by 10 kilograms of step 1), 4 kilograms of steps 2) the tubing height obscurity white master batch prepared and after 90 kilograms of RRR tubing special raw materials stir, carries out squeezing that pipe is shaping obtains high obscurity white PPR pipe with singe screw pipe extruder; Described tube extrusion technique is identical with common PPR pipe production technique.
The tubing formulating of recipe for pipes of example 1-3 being extruded respectively D20*2.8, D20*2.3, D25*2.8 tri-kinds of specifications is verified, the outer pipe wall of production is smooth, zero defect, and the various results of property of detection are in table 1, table 2, table 3.
Table 1: high shading white PPR pipe low-temperature impact-resistant performance (50% serviceability rate height m)
Table 2: high shading white PPR pipe hydraulic performance table
Table 3: high shading white PPR pipe light transmittance requirement
As can be seen from table 1, table 2 and table 3, PPR pipe product of the present invention meets the related request in national standard, compared with the tubing produced with regular convention formula, the mechanical property of tubing, hydraulic performance that this invention formula is produced and hide performance and be significantly improved, far away higher than the requirement of standard.
Claims (10)
1. a high obscurity white PPR pipe, is characterized in that the component comprising following parts by weight:
PPR100 part high obscurity white master batch 2-5 part
Composite assistant 0.8-1.8 parts of light closing agents 0.001-0.02 part.
2. one according to claim 1 high obscurity white PPR pipe, is characterized in that the component of following parts by weight:
PPR100 part high obscurity white master batch 4 parts
Composite assistant 1.0-1.5 parts of light closing agents 0.003-0.01 part.
3. one according to claim 1 and 2 high obscurity white PPR pipe, it is characterized in that described high obscurity white master batch is made up of PPR powder, dispersion agent, opalizer, the mass ratio that feeds intake of PPR powder, dispersion agent, opalizer is 100:3.5:24-35.
4. one according to claim 3 high obscurity white PPR pipe, is characterized in that described dispersion agent is one or more the mixture in polyethylene wax, ethylene bis stearamide, spread powder; Described opalizer is Rutile type Titanium Dioxide, nano-calcium carbonate, white carbon black or Rutile type Titanium Dioxide, nano-calcium carbonate and white carbon black and the mixture of two or more any ratio of silver-colored aluminium powder, and silver-colored aluminium powder is flakey aluminium silver powder, its sheet footpath and Thickness Ratio 100:1.
5. one according to claim 1 and 2 high obscurity white PPR pipe, is characterized in that described composite assistant comprises oxidation inhibitor, uv-absorbing agent, photostabilizer.
6. one according to claim 5 high obscurity white PPR pipe, it is characterized in that described oxidation inhibitor is the mixture of antioxidant 1010, oxidation inhibitor 1130 and irgasfos 168, the mass ratio that feeds intake of antioxidant 1010, oxidation inhibitor 1130 and irgasfos 168 is the mixture of 1:1.5-2.5:1.5-2.5, and the mass ratio that preferably feeds intake is 1:2:2.
7. one according to claim 5 high obscurity white PPR pipe, it is characterized in that described uv-absorbing agent is UV-234, described photostabilizer is photostabilizer 770.
8. one according to claim 1 and 2 high obscurity white PPR pipe, is characterized in that described smooth closing agent is light closing agent 7276A, for the near-infrared absorption dyestuff of thermoplastics, effectively can intercept the light of 350-800nm wavelength.
9. a preparation method for a kind of high obscurity white PPR pipe according to claim 1 and 2, is characterized in that comprising the following steps:
1) preparation of tubing auxiliary agent master batch: part PPR, composite assistant and light closing agent are put into stirrer, pours 2-6 into and drip white oil, stirs and pours granulation after twin screw extruder into, obtained tubing auxiliary agent master batch, for subsequent use;
2) preparation of high obscurity white master batch: the carrier PPR powder, dispersion agent, the opalizer that add preparation high obscurity white master batch in homogenizer, take out after stirring and put into twin screw extruder extruding pelletization, obtained tubing height obscurity white master batch, for subsequent use;
3) tubing auxiliary agent master batch, the step 2 prepared by step 1)) to carry out squeezing pipe shaping for the high obscurity white master batch prepared and remaining PPR singe screw pipe extruder, obtains high obscurity white PPR pipe.
10. the preparation method of a kind of high obscurity white PPR pipe according to claim 9, is characterized in that the PPR ratio added in step 1) and step 3) is 1:9.
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| CN109438764A (en) * | 2018-10-31 | 2019-03-08 | 中山市华邦塑料有限公司 | A kind of white or light-colored flame-proof polypropelene composition of high shading and preparation method thereof |
| CN112341712A (en) * | 2019-08-09 | 2021-02-09 | 安徽银源环保科技有限公司 | Copper-carbon antibacterial water delivery pipe, microbead copper-carbon antibacterial water delivery pipe and preparation method thereof |
| CN111690210A (en) * | 2020-06-10 | 2020-09-22 | 福建澳工塑胶电器有限公司 | Nano-modified PPR water supply pipe and preparation method thereof |
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