CN107337839A - A kind of surface activation process nanometer carbon black strengthens HDPE water-feeding pipes forming methods - Google Patents
A kind of surface activation process nanometer carbon black strengthens HDPE water-feeding pipes forming methods Download PDFInfo
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- 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
- C08L23/06—Polyethene
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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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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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
- 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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/011—Nanostructured additives
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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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- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- 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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- 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
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of surface activation process nanometer carbon black to strengthen HDPE water-feeding pipes forming methods, black agglomerate and HDPE resin made from weighing in proportion are made shaping pipe by single screw extrusion machine extruding pipe material type embryo, by calibration sleeve, cooling water tank, hauling machine, cutting machine and Overturnable-plate frame equipment, and the present invention is using specific surface area is big, colorability is strong, HDPE plumbing tubing made from good light stability and the obvious bloom black agglomerate of enhancing effect is obviously improved in terms of intensity, anti-oxidant degree and hydrostatic strength.
Description
Technical field
The present invention relates to building materials technology field, and in particular to a kind of surface activation process nanometer carbon black strengthens HDPE feed pipes
Material forming method.
Background technology
Black agglomerate is mainly used in fiber product (carpet, terylene, non-woven fabrics etc.), blow molded article (packaging bag, curtain coating
Film, multilayer complex films etc.), blow-molded article (medicine and cosmetics containers, paint container etc.), extrudate (sheet material, tubing, electricity
Cable, electric wire etc.), injection-molded item (auto parts machinery, electrical equipment, building materials, commodity, toy, sports goods etc.).It has user
Just, to being molded environmental nonpollution, uniform coloring, stably, plastic part quality is improved, is easy to metering, automaticity can be applied
High forming production system, coloring, age resister, antistatic additive etc. can be combined in a side and multifunctional mother granules, convenient use is made
The advantages that.
Conventional H DPE water-feeding pipes in process of production, are typically produced using HDPE resin and black agglomerate blending extrusion,
But due to the nonpolar and hydrophily of black carbon surface, easy reunion and the moisture absorption, cause to gather in HDPE during processing stores
It is difficult in compound dispersed, hence it is evident that influence the performances such as intensity, oxidation induction time and the hydrostatic strength of tubing.
Mention using ABS/PMMA alloys and add black in patent CN201010213189.4 and CN200810241325.3
The mode of color toner obtains high gloss effect, but very strong photoextinction causes glossiness to be decreased obviously in itself due to carbon black, still
The requirement of these black household appliances can not so be met.If further improving glossiness, the solution party of polishing mould can only be used
Case, but consequently, it is possible to the processing at initial stage of mould and later maintenance expense are a no small spending again.Therefore, generally obtain bright
The method of beautiful black glassy surface, first, carrying out spraying high lac varnish to article surface to post-process, and sprays high lac varnish and not only can
Make cost increase 30%, increase process, there is also 10% or so defective work, and these defective works can not reclaim again
Utilize；Second, using the high gloss effect compounded to reach of several organic dyestuff, but this method is not only due to cost height, and
And can not equally meet to require with carbon black on scratch resistance, therefore be rarely used in the application of black household appliances.
But in existing technology, prepare black agglomerate and have that concentration is low, toner dyeing has pollution, carbon black pigment is in resin
Bad dispersibility, the shortcomings that blackness brightness is not high.
The content of the invention
To solve the above problems, the present invention proposes a kind of surface activation process nanometer carbon black enhancing HDPE water-feeding pipes shapings
Method.
To realize the object of the invention, the technical scheme of use is：A kind of surface activation process nanometer carbon black enhancing HDPE gives
Water pipe material forming method, the HDPE water-feeding pipes forming method are as follows：
1) weighs nanometer carbon black and hyper-dispersant in proportion, uniformly delivers to nanometer carbon black by way of high speed winds are sent
In homogenizer, surface synergist, hyper-dispersant are added in a manner of being atomized under constant temperature stirring, continues constant temperature and stirs
Mix, fully infiltration nanometer carbon black powder, finally filter, wash, dry, crush and store the nanometer carbon black after being handled；
2) is by the nanometer carbon black after the ratio weighing processing of bloom black agglomerate, HDPE resin, lubricant, antioxygen
Agent and light stabilizer are uniformly mixed, and are led to the improving uniformity of melt after shaping into improving uniformity of melt by banbury banburying after mixing
Single screw extrusion machine extruding pelletization is crossed, using the mode pelletizing such as water cooling bracing pelletizing or Water-circulating thermal cutting, bloom black agglomerate is made；
3) black agglomerate and HDPE resin as made from weighing the ratio of HDPE water-feeding pipes, is squeezed by single screw rod
Go out machine extruding pipe material type embryo, shaping pipe, pipe are made by calibration sleeve, cooling water tank, hauling machine, cutting machine and Overturnable-plate frame equipment
PTFE Type germ ring is installed at material extrusion neck ring mold additional, to improve tube surfaces glossiness and brightness.
Preferably, the constant temperature constant speed stirring reaction time in the bloom HDPE water-feeding pipes forming methods in step 1 sets
It is set to 0.5~1h.
Preferably, the mixing temperature in the bloom HDPE water-feeding pipes forming methods in step 2 be arranged to 125 DEG C~
145 DEG C, mixing time is arranged to 6~12min.
Preferably, the extruding pelletization temperature setting in the bloom HDPE water-feeding pipes forming methods in step 2 is 165 DEG C
~180 DEG C.
Preferably, the Single screw extrusion temperature setting in the bloom HDPE water-feeding pipes forming methods in step 3 is 180
~195 DEG C, mold temperature is arranged to 190~210 DEG C.
Preferably, HDPE water-feeding pipes composition include HDPE resin 90%~95% and bloom black agglomerate 5%~
10%, the bloom black agglomerate composition includes the nanometer carbon black 30%~50% after HDPE resin 40%~60%, processing, profit
Lubrication prescription 2%~5%, processing aid 3%~8%, antioxidant 1%~3% and light stabilizer 2%~4%, receiving after the processing
Rice carbon black includes nanometer carbon black 80%-90%, TPO hyper-dispersant 5%~10%, graft copolymerization species hyper-dispersant 2%
~6% and surface synergist 1%~5%.
Preferably, HDPE water-feeding pipes composition include HDPE resin 90%~95% and bloom black agglomerate 5%~
10%, the bloom black agglomerate composition includes the nanometer carbon black 38%~41% after HDPE resin 40%~60%, processing, profit
Lubrication prescription 2%~5%, processing aid 3%~8%, antioxidant 1%~3% and light stabilizer 2%~4%, receiving after the processing
Rice carbon black includes nanometer carbon black 80%-90%, TPO hyper-dispersant 5%~10%, graft copolymerization species hyper-dispersant 2%
~6% and surface synergist 1%~5%.
Preferably, melt index of the HDPE resin when rated temperature is 190 DEG C and rated load is 5kg is 0.25
~0.4g/10min.
Preferably, tensile strength >=25MPa of the HDPE water-feeding pipes, the welding stretching of described HDPE water-feeding pipes
Intensity >=25MPa, elongation at break >=600% of described HDPE water-feeding pipes, the oxidation of described HDPE water-feeding pipes lure
Lead the time (200 DEG C) >=80min, longitudinal welds≤2% of described HDPE water-feeding pipes, described HDPE water-feeding pipes
Black dispersion grade≤grade 2, surface brightness >=60 ° of described HDPE water-feeding pipes and hydrostatic test do not rupture not permeable
Leakage.
Beneficial effects of the present invention are：Surface activation process nanometer carbon black of the present invention strengthens HDPE water-feeding pipes forming methods
Bloom black agglomerate in rational raw material selection, rational raw material ratio, nanometer in obtained bloom black agglomerate
Carbon black possesses that specific surface area is big, and colorability is strong, good light stability, and enhancing effect clear advantage is black using bloom of the present invention
HDPE plumbing tubing obtained by Masterbatch is obviously improved in terms of intensity, anti-oxidant degree and hydrostatic strength.
Brief description of the drawings
Fig. 1 is the raw material ratio table of bloom black agglomerate of the present invention.
Fig. 2 is surface activation process nanometer carbon black enhancing HDPE water-feeding pipes forming method process charts of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to shown in Fig. 1, the technical solution adopted by the present invention is：A kind of surface activation process nanometer carbon black strengthens HDPE
Water-feeding pipes forming method, the bloom HDPE water-feeding pipes matching methods are as follows：
Embodiment 1
Bloom HDPE water-feeding pipes raw material proportionings：HDPE resin 90% and bloom black agglomerate 10%；Bloom black agglomerate
Raw material proportioning is nanometer carbon black 38%, lubricant 5%, processing aid 3%, the and of antioxidant 2% after HDPE resin 48%, processing
Light stabilizer 4%；Nanometer carbon black raw material proportioning after processing is nanometer carbon black 81%, TPO hyper-dispersant 10%, grafting
Copolymer analog hyper-dispersant 6% and surface synergist 3%.
Wherein, TPO hyper-dispersant is end group polyisobutene class dispersant；Graft copolymerization species hyper-dispersant is water
Soluble macromolecular dispersant；Lubricant is polyolefin oligomer；Processing aid is organosilane crosslinked polyethylene copolymer；Antioxidant is
Hinered phenols antioxidant；Light stabilizer is Benzotriazole Ultraviolet Stabilizer.
Embodiment 2
Bloom HDPE water-feeding pipes raw material proportionings：HDPE resin 95% and bloom black agglomerate 5%；Bloom black agglomerate is former
Material proportioning is HDPE resin 50%, nanometer carbon black 40%, lubricant 2%, processing aid 3%, antioxidant 2% and light after processing
Stabilizer 3%；Nanometer carbon black raw material proportioning after processing is nanometer carbon black 85%, TPO hyper-dispersant 10%, is grafted altogether
Polymers class hyper-dispersant 2% and surface synergist 3%.
Wherein, TPO hyper-dispersant is Tri- n -butyltin methacrylate dispersant；Graft copolymerization species hyper-dispersant is
Emulsion dispersion agent；Lubricant is silane coupler；Processing aid is polyethylene graft copolymer；Antioxidant is hindered amines antioxygen
Agent；Light stabilizer is Benzotriazole Ultraviolet Stabilizer.
Embodiment 3
Bloom HDPE water-feeding pipes raw material proportionings：HDPE resin 94% and bloom black agglomerate 6%；Bloom black agglomerate is former
Material proportioning is HDPE resin 51%, nanometer carbon black 39%, lubricant 2%, processing aid 3%, antioxidant 1% and light after processing
Stabilizer 4%；Nanometer carbon black raw material proportioning after processing is nanometer carbon black 81%, TPO hyper-dispersant 10%, is grafted altogether
Polymers class hyper-dispersant 6% and surface synergist 3%.
Wherein, TPO hyper-dispersant is Tri- n -butyltin methacrylate dispersant；Graft copolymerization species hyper-dispersant is
Water-soluble polymer dispersant；Lubricant is titanate coupling agent；Processing aid is methyl acrylic ester；Antioxidant is phosphorous
Acid esters kind antioxidant；Light stabilizer is Benzotriazole Ultraviolet Stabilizer.
Embodiment 4
Bloom HDPE water-feeding pipes raw material proportionings：HDPE resin 92% and bloom black agglomerate 8%；Bloom black agglomerate is former
Material proportioning is HDPE resin 49%, nanometer carbon black 41%, lubricant 2%, processing aid 3%, antioxidant 3% and light after processing
Stabilizer 2%；Nanometer carbon black raw material proportioning after processing is nanometer carbon black 88%, TPO hyper-dispersant 6%, graft copolymerization
Species hyper-dispersant 3% and surface synergist 3%.
Wherein, TPO hyper-dispersant is end group polyisobutene class dispersant；Graft copolymerization species hyper-dispersant is breast
Liquid dispersant；Lubricant is aluminate coupling agent；Processing aid is maleic anhydride and its grafting species；Antioxidant is Hinered phenols
Antioxidant；Light stabilizer is Benzotriazole Ultraviolet Stabilizer.
Refer to shown in Fig. 2, the technical solution adopted by the present invention is：A kind of surface activation process nanometer carbon black strengthens HDPE
Water-feeding pipes forming method, the HDPE water-feeding pipes forming method are as follows：
1) weighs nanometer carbon black and hyper-dispersant in proportion, uniformly delivers to nanometer carbon black by way of high speed winds are sent
In homogenizer, surface synergist, hyper-dispersant are added in a manner of being atomized under constant temperature stirring, continues constant temperature and stirs
Mix, fully infiltration nanometer carbon black powder, finally filter, wash, dry, crush and store the nanometer carbon black after being handled；
2) is by the nanometer carbon black after the ratio weighing processing of bloom black agglomerate, HDPE resin, lubricant, antioxygen
Agent and light stabilizer are uniformly mixed, and are led to the improving uniformity of melt after shaping into improving uniformity of melt by banbury banburying after mixing
Single screw extrusion machine extruding pelletization is crossed, using the mode pelletizing such as water cooling bracing pelletizing or Water-circulating thermal cutting, bloom black agglomerate is made；
3) black agglomerate and HDPE resin as made from weighing the ratio of HDPE water-feeding pipes, is squeezed by single screw rod
Go out machine extruding pipe material type embryo, shaping pipe, pipe are made by calibration sleeve, cooling water tank, hauling machine, cutting machine and Overturnable-plate frame equipment
PTFE Type germ ring is installed at material extrusion neck ring mold additional, to improve tube surfaces glossiness and brightness.
Further, melt index of the HDPE resin when rated temperature is 190 DEG C and rated load is 5kg is
0.25~0.4g/10min.
Further, the constant temperature constant speed stirring reaction time in the bloom HDPE water-feeding pipes forming methods in step 1
It is arranged to 0.5~1h.
Further, the mixing temperature in the bloom HDPE water-feeding pipes forming methods in step 2 be arranged to 125 DEG C~
145 DEG C, mixing time is arranged to 6~12min.
Further, the extruding pelletization temperature setting in the bloom HDPE water-feeding pipes forming methods in step 2 is 165
DEG C~180 DEG C.
Further, the Single screw extrusion temperature setting in the bloom HDPE water-feeding pipes forming methods in step 3 is
180~195 DEG C, mold temperature is arranged to 190~210 DEG C.
Further, tensile strength >=25MPa of the HDPE water-feeding pipes, the welding of described HDPE water-feeding pipes are drawn
Stretch intensity >=25MPa, elongation at break >=600% of described HDPE water-feeding pipes, the oxidation of described HDPE water-feeding pipes
Induction time (200 DEG C) >=80min, longitudinal welds≤2% of described HDPE water-feeding pipes, described HDPE water-feeding pipes
Black dispersion grade≤grade 2, surface brightness >=60 ° of described HDPE water-feeding pipes and it is hydrostatic test do not rupture not
Seepage.
In the present invention, the bloom of surface activation process nanometer carbon black enhancing HDPE water-feeding pipes forming methods of the present invention is black
Rational raw material select in Masterbatch, rational raw material ratio, and nanometer carbon black possesses in obtained bloom black agglomerate
Specific surface area is big, and colorability is strong, good light stability, enhancing effect clear advantage, utilizes bloom black agglomerate institute of the present invention
Obtained HDPE plumbing tubing is obviously improved in terms of intensity, anti-oxidant degree and hydrostatic strength.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of surface activation process nanometer carbon black strengthens HDPE water-feeding pipes forming methods, it is characterised in that：The HDPE gives
Water pipe material forming method is as follows：
1) weighs nanometer carbon black and hyper-dispersant in proportion, uniformly delivers to nanometer carbon black at a high speed by way of high speed winds are sent
In mixer, surface synergist, hyper-dispersant are added in a manner of being atomized under constant temperature stirring, continue constant temperature stirring,
Nanometer carbon black powder is fully infiltrated, finally filters, wash, dry, crush and store the nanometer carbon black after being handled；
2) by bloom black agglomerate ratio weighing processing after nanometer carbon black, HDPE resin, lubricant, antioxidant and
Light stabilizer is uniformly mixed, and the improving uniformity of melt after shaping is passed through into list into improving uniformity of melt by banbury banburying after mixing
Screw extruder extruding pelletization, using the mode pelletizing such as water cooling bracing pelletizing or Water-circulating thermal cutting, bloom black agglomerate is made；
3) black agglomerate and HDPE resin as made from weighing the ratio of HDPE water-feeding pipes, passes through single screw extrusion machine
Extruding pipe material type embryo, shaping pipe is made by calibration sleeve, cooling water tank, hauling machine, cutting machine and Overturnable-plate frame equipment, tubing squeezes
PTFE Type germ ring is installed at outlet mold additional, to improve tube surfaces glossiness and brightness.
2. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：The constant temperature constant speed stirring reaction time in the bloom HDPE water-feeding pipes forming methods in step 1 is arranged to 0.5~
1h。
3. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：Mixing temperature in the bloom HDPE water-feeding pipes forming methods in step 2 is arranged to 125 DEG C~145 DEG C, during banburying
Between be arranged to 6~12min.
4. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：Extruding pelletization temperature setting in the bloom HDPE water-feeding pipes forming methods in step 2 is 165 DEG C~180 DEG C.
5. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：Single screw extrusion temperature setting in the bloom HDPE water-feeding pipes forming methods in step 3 is 180~195 DEG C, mould
It is 190~210 DEG C to have temperature setting.
6. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：The HDPE water-feeding pipes composition includes HDPE resin 90%~95% and bloom black agglomerate 5%~10%, the height
Light black agglomerate composition includes HDPE resin 40%~60%, handle after nanometer carbon black 30%~50%, lubricant 2%~
5%th, processing aid 3%~8%, antioxidant 1%~3% and light stabilizer 2%~4%, the nano-sized carbon black-envelope after the processing
Include nanometer carbon black 80%-90%, TPO hyper-dispersant 5%~10%, the and of graft copolymerization species hyper-dispersant 2%~6%
Surface synergist 1%~5%.
7. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：The HDPE water-feeding pipes composition includes HDPE resin 90%~95% and bloom black agglomerate 5%~10%, the height
Light black agglomerate composition includes HDPE resin 40%~60%, handle after nanometer carbon black 38%~41%, lubricant 2%~
5%th, processing aid 3%~8%, antioxidant 1%~3% and light stabilizer 2%~4%, the nano-sized carbon black-envelope after the processing
Include nanometer carbon black 80%-90%, TPO hyper-dispersant 5%~10%, the and of graft copolymerization species hyper-dispersant 2%~6%
Surface synergist 1%~5%.
8. the surface activation process nanometer carbon black enhancing HDPE water-feeding pipes forming methods according to claim 6 or 7, it is special
Sign is：The melt index when HDPE resin is 190 DEG C in rated temperature and rated load is 5kg is 0.25~0.4g/
10min。
9. surface activation process nanometer carbon black according to claim 1 strengthens HDPE water-feeding pipes forming methods, its feature
It is：Tensile strength >=25MPa of the HDPE water-feeding pipes, the welding tensile strengths of described HDPE water-feeding pipes >=
25MPa, elongation at break >=600% of described HDPE water-feeding pipes, the oxidation induction time of described HDPE water-feeding pipes
(200 DEG C) >=80min, longitudinal welds≤2% of described HDPE water-feeding pipes, the carbon black point of described HDPE water-feeding pipes
Grade≤grade 2 is dissipated, surface brightness >=60 ° of described HDPE water-feeding pipes and hydrostatic test do not rupture non-leakage.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027345A1 (en) * | 2019-08-09 | 2021-02-18 | 湖北中澳纳米材料技术有限公司 | Nano-sized zinc molybdate production apparatus and method, and application thereof |
| CN112659653A (en) * | 2020-12-21 | 2021-04-16 | 安徽杰蓝特新材料有限公司 | High-gloss PE water supply pipe and preparation method thereof |
| CN112706470A (en) * | 2020-12-22 | 2021-04-27 | 安徽杰蓝特新材料有限公司 | Antibacterial PE water supply pipe and preparation method thereof |
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| CN103568240A (en) * | 2013-07-17 | 2014-02-12 | 扬州巨业耐磨复合材料有限责任公司 | Extruding and forming method of polyethylene pipe for water supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103568240A (en) * | 2013-07-17 | 2014-02-12 | 扬州巨业耐磨复合材料有限责任公司 | Extruding and forming method of polyethylene pipe for water supply |
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| GB2600613A (en) * | 2019-08-09 | 2022-05-04 | Hubei Zhongao Nano Material Tech Co Ltd | Nano-sized zinc molybdate production apparatus and method, and application thereof |
| GB2600613B (en) * | 2019-08-09 | 2024-04-24 | Hubei Zhongao Nano Material Tech Co Ltd | Device and method for producing nano-sized zinc molybdate and application of same |
| CN112659653A (en) * | 2020-12-21 | 2021-04-16 | 安徽杰蓝特新材料有限公司 | High-gloss PE water supply pipe and preparation method thereof |
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