CN107245180A - A kind of bloom HDPE water-feeding pipes forming methods - Google Patents

A kind of bloom HDPE water-feeding pipes forming methods Download PDF

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Publication number
CN107245180A
CN107245180A CN201710594682.7A CN201710594682A CN107245180A CN 107245180 A CN107245180 A CN 107245180A CN 201710594682 A CN201710594682 A CN 201710594682A CN 107245180 A CN107245180 A CN 107245180A
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China
Prior art keywords
bloom
hdpe
feeding pipes
water
forming methods
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Pending
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CN201710594682.7A
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Chinese (zh)
Inventor
汪进南
刘俊峰
汪燕飞
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Anhui Jie Lantech New Material Co Ltd
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Anhui Jie Lantech New Material Co Ltd
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Priority to CN201710594682.7A priority Critical patent/CN107245180A/en
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • 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
    • 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
    • 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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00—Masterbatches

Abstract

The invention discloses a kind of bloom HDPE water-feeding pipes forming methods, obtained black agglomerate is weighed in proportion and HDPE resin passes through single screw extrusion machine extruding pipe material type embryo, pass through calibration sleeve, cooling water tank, hauling machine, shaping pipe is made in cutting machine and Overturnable-plate frame equipment, install PTFE Type germ ring at tube extrusion mouth mold additional, to improve tube surfaces glossiness and brightness, the present invention is big using specific surface area, colorability is strong, HDPE plumbing tubing is in intensity made from good light stability and the obvious bloom black agglomerate of enhancing effect, it is obviously improved in terms of anti-oxidant degree and hydrostatic strength.

Description

A kind of bloom HDPE water-feeding pipes forming methods
Technical field
The present invention relates to building materials technology field, and in particular to a kind of bloom HDPE water-feeding pipes forming methods.
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 shaping environmental nonpollution, uniform coloring, stably improves plastic part quality, is easy to metering, can apply automaticity High forming production system, can combine in a side by coloring, age resister, antistatic additive etc. and multifunctional mother granules, convenient use are made The advantages of.
Conventional H DPE water-feeding pipes are in process of production, general to be produced using HDPE resin and black agglomerate blending extrusion, But due to the nonpolar and hydrophily of black carbon surface, easily reunite and the moisture absorption during processing storage, cause poly- in HDPE It is difficult in compound dispersed, hence it is evident that the performance such as intensity, oxidation induction time and hydrostatic strength of influence tubing.
Mentioned in patent CN201010213189.4 and CN200810241325.3 using ABS/PMMA alloys and add black 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 use requirement of these black household appliances can not so be met., can only be using the solution party for polishing mould if further improving glossiness 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, one is to carry out the high lac varnish of spraying 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 be reclaimed again Utilize；Two high gloss effects for being the compounding using several organic dyestuff to reach, but this method is not only due to cost height, and And requirement can not be equally met 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 The not high shortcoming of blackness brightness.
The content of the invention
To solve the above problems, the present invention proposes a kind of bloom HDPE water-feeding pipes forming methods.
To realize the object of the invention, the technical scheme of use is：A kind of bloom HDPE water-feeding pipes forming methods, it is described HDPE water-feeding pipes forming methods are as follows：
1) 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；
2) weighs obtained black agglomerate and HDPE resin by 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.
It is preferred that, the mixing temperature in the bloom HDPE water-feeding pipes forming methods in step 1 be set to 125 DEG C~ 145 DEG C, mixing time is set to 6~12min.
It is preferred that, the extruding pelletization temperature setting in the bloom HDPE water-feeding pipes forming methods in step 1 is 165 DEG C ~180 DEG C.
It is preferred that, the Single screw extrusion temperature setting in the bloom HDPE water-feeding pipes forming methods in step 2 is 180 ~195 DEG C, mold temperature is set to 190~210 DEG C.
It is preferred that, 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%.
It is preferred that, 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%.
It is preferred that, melt index of the HDPE resin when rated temperature is 190 DEG C and rated load is 5kg is 0.25 ~0.4g/10min.
Beneficial effects of the present invention are：In the bloom black agglomerate of bloom HDPE water-feeding pipes forming methods of the present invention rationally Raw material selection, rational raw material ratio, to possess specific surface area big for nanometer carbon black in obtained bloom black agglomerate, Color ability is strong, and good light stability, enhancing effect clear advantage utilizes the HDPE discharges obtained by bloom black agglomerate of the present invention Water pipe material 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 bloom HDPE water-feeding pipes forming method process chart 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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs 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 bloom HDPE water-feeding pipes forming methods, institute State bloom HDPE water-feeding pipes matching methods 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 HDPE resin 48%, nanometer carbon black 38%, lubricant 5%, processing aid 3%, antioxidant 2% and light stabilizer 4%.
Wherein, lubricant is polyolefin oligomer；Processing aid is organosilane crosslinked polyethylene copolymer；Antioxidant is to be obstructed Phenolic 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 stabilizer 3%.
Wherein, lubricant is silane coupler；Processing aid is polyethylene graft copolymer；Antioxidant is anti-for hindered amines Oxygen 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 stabilizer 4%.
Wherein, lubricant is titanate coupling agent；Processing aid is methyl acrylic ester；Antioxidant is phosphorous acid esters 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 stabilizer 2%.
Wherein, lubricant is aluminate coupling agent；Processing aid is maleic anhydride and its grafting species；Antioxidant is to be obstructed Phenolic 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 bloom HDPE water-feeding pipes forming methods, institute State HDPE water-feeding pipes forming methods as follows：
1) 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；
2) weighs obtained black agglomerate and HDPE resin by 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 mixing temperature in the bloom HDPE water-feeding pipes forming methods in step 1 be set to 125 DEG C~ 145 DEG C, mixing time is set to 6~12min.
Further, the extruding pelletization temperature setting in the bloom HDPE water-feeding pipes forming methods in step 1 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 2 is 180~195 DEG C, mold temperature is set to 190~210 DEG C.
Further, tensile strength >=25MPa of the HDPE water-feeding pipes, the welding of described HDPE water-feeding pipes is 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 hydrostatic test does not rupture not Seepage.
In the present invention, rational raw material in the bloom black agglomerate of bloom HDPE water-feeding pipes forming methods of the present invention Nanometer carbon black possesses specific surface area greatly in selection, rational raw material ratio, obtained bloom black agglomerate, colorability By force, good light stability, enhancing effect clear advantage utilizes the HDPE plumbing tubing obtained by bloom black agglomerate of the present invention It 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 (7)

1. a kind of bloom HDPE water-feeding pipes forming methods, it is characterised in that：The HDPE water-feeding pipes forming method is as follows：
1) weighs nanometer carbon black, HDPE resin, lubricant, antioxidant and light stabilizer by the ratio of bloom black agglomerate Uniformly mixed, the improving uniformity of melt after shaping is passed through by Single screw extrusion into improving uniformity of melt by banbury banburying after mixing Machine extruding pelletization, using the mode pelletizing such as water cooling bracing pelletizing or Water-circulating thermal cutting, is made bloom black agglomerate；
2) weighs obtained black agglomerate and HDPE resin by the ratio of HDPE water-feeding pipes, passes through single screw extrusion machine Extruding pipe material type embryo, by calibration sleeve, cooling water tank, hauling machine, cutting machine and Overturnable-plate frame equipment be made shaping pipe, tubing squeeze PTFE Type germ ring is installed at outlet mold additional, to improve tube surfaces glossiness and brightness.
2. bloom HDPE water-feeding pipes forming methods according to claim 1, it is characterised in that：The bloom HDPE feedwater Mixing temperature in tube forming method in step 1 is set to 125 DEG C~145 DEG C, and mixing time is set to 6~12min.
3. bloom HDPE water-feeding pipes forming methods according to claim 1, it is characterised in that：The bloom HDPE feedwater Extruding pelletization temperature setting in tube forming method in step 1 is 165 DEG C~180 DEG C.
4. bloom HDPE water-feeding pipes forming methods according to claim 1, it is characterised in that：The bloom HDPE feedwater Single screw extrusion temperature setting in tube forming method in step 2 is 180~195 DEG C, and mold temperature is set to 190~210 ℃。
5. bloom HDPE water-feeding pipes forming methods according to claim 1, it is characterised in that：The HDPE water-feeding pipes Composition includes HDPE resin 90%~95% and bloom black agglomerate 5%~10%, and the bloom black agglomerate composition includes HDPE resin 40%~60%, processing after nanometer carbon black 30%~50%, lubricant 2%~5%, processing aid 3%~ 8%th, antioxidant 1%~3% and light stabilizer 2%~4%, the nanometer carbon black after the processing include nanometer carbon black 80%- 90%th, TPO hyper-dispersant 5%~10%, graft copolymerization species hyper-dispersant 2%~6% and surface synergist 1%~ 5%.
6. bloom HDPE water-feeding pipes forming methods according to claim 1, it is characterised in that：The HDPE water-feeding pipes Composition includes HDPE resin 90%~95% and bloom black agglomerate 5%~10%, and the bloom black agglomerate composition includes HDPE resin 40%~60%, processing after nanometer carbon black 38%~41%, lubricant 2%~5%, processing aid 3%~ 8%th, antioxidant 1%~3% and light stabilizer 2%~4%, the nanometer carbon black after the processing include nanometer carbon black 80%- 90%th, TPO hyper-dispersant 5%~10%, graft copolymerization species hyper-dispersant 2%~6% and surface synergist 1%~ 5%.
7. the bloom HDPE water-feeding pipes forming methods according to claim 5 or 6, it is characterised in that：The HDPE resin Melt index when rated temperature is 190 DEG C and rated load is 5kg is 0.25~0.4g/10min.
CN201710594682.7A 2017-07-20 2017-07-20 A kind of bloom HDPE water-feeding pipes forming methods Pending CN107245180A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114179405A (en) * 2021-11-05 2022-03-15 安徽杰蓝特新材料有限公司 Production process of HDPE (high-density polyethylene) water supply and drainage pipe

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CN106188746A (en) * 2016-07-14 2016-12-07 大禹节水（天津）有限公司 A kind of polyethylene water-feeding pipes with anti-microbial property and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN101121794A (en) * 2006-08-11 2008-02-13 上海国嘉塑化有限公司 Black master batch of polythene pipes mixing special material for feeding water and preparation method thereof
CN106188746A (en) * 2016-07-14 2016-12-07 大禹节水（天津）有限公司 A kind of polyethylene water-feeding pipes with anti-microbial property and preparation method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114179405A (en) * 2021-11-05 2022-03-15 安徽杰蓝特新材料有限公司 Production process of HDPE (high-density polyethylene) water supply and drainage pipe

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Application publication date: 20171013