CN110172259A - A kind of pressing color-changing pipe manufacture craft - Google Patents
A kind of pressing color-changing pipe manufacture craft Download PDFInfo
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- CN110172259A CN110172259A CN201910294957.4A CN201910294957A CN110172259A CN 110172259 A CN110172259 A CN 110172259A CN 201910294957 A CN201910294957 A CN 201910294957A CN 110172259 A CN110172259 A CN 110172259A
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- manufacture craft
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- changing pipe
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- pipe manufacture
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
Abstract
The invention discloses a kind of pressing color-changing pipe manufacture crafts, belong to tubular object extruding technical field；A kind of pressing color-changing pipe manufacture craft, including high molecular polymer, decanedioic acid, high density polyethylene (HDPE), methylcellulose, triphenyl phosphite, halogenated flame retardant, zinc stearate, wollastonite, phthalate ester；The present invention, which crosses, is added the fire-retardant antioxygen that triphenyl phosphite, halogenated flame retardant play the role of enhancing tubing, and have both light stability, multiple groups raw material is bonded by methylcellulose in mixing, in mixing, addition zinc stearate can be preliminary molding mold and play lubricant effect simultaneously, convenient for discharging, by the way that high density polyethylene (HDPE) is added in the manufacture craft of tubing, to make tubing that there is certain winter resistance, it places tubing to rupture under the lower occasion of temperature, and is additionally added the occasion that a small amount of wollastonite can make pipe applications in different temperatures.
Description
Technical field
The present invention relates to tubular object extruding technical field more particularly to a kind of pressing color-changing pipe manufacture crafts.
Background technique
The widely used application and multiple industries and field of pipeline, is used primarily in water supply, draining, heat supply, gives gas, grows
In transfer oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.
With the continual and steady rapid growth of Chinese national economy, good macroscopic view is provided for cities and towns infrastructure construction
Environment and broad space, as China is for the pay attention to day by day of environmental protection, governments at all levels, both the central and local governments have put into effect a system
Arrange the policies and regulations of water-saving pollution treatment protection environment.It supplies water, is water-saving, draining and waste water control will become urban municipal construction from now on
Emphasis, this provides market development space for the popularization and application of plastic tube, since structured wall popes can save raw material, reduce at
This, therefore structured wall popes have become the main product of heavy caliber draining blow-off line；
The advantages such as China is high with blow-off line PE tubing corrosion resistance for draining, and price is low；But in low temperature condition
Under the shortcomings that being easily broken, breakage is especially very easy to when north of china in winter is constructed, thus it is proposed that a kind of pressing discoloration is managed
Material manufacture craft.
Summary of the invention
The purpose of the present invention is to solve deficiencies in the prior art, and a kind of pressing color-changing pipe proposed makes work
Skill.
To achieve the goals above, present invention employs following technical solutions:
A kind of pressing color-changing pipe manufacture craft, including high molecular polymer, decanedioic acid, high density polyethylene (HDPE), methyl are fine
Tie up element, triphenyl phosphite, halogenated flame retardant, zinc stearate, wollastonite.
It preferably, further include phthalate ester.
Preferably, each component is formed according to following mass parts:
High molecular polymer: 100 parts
Decanedioic acid: 15-30 parts
High density polyethylene (HDPE): 20-30 parts
Methylcellulose: 10-15 parts
Triphenyl phosphite: 6-8 parts
Halogenated flame retardant: 6-8 parts
Zinc stearate: 50-60 parts
Wollastonite: 40-50 parts.
Preferably, it is made of following steps:
Step 1: high molecular polymer, decanedioic acid, methylcellulose in weighting 3 are put into mixing machine and are mixed；
Step 2: it is taken out after step 1 mixes 10-15 minutes spare；
Step 3: high density polyethylene (HDPE), methylcellulose in weighting 3, triphenyl phosphite, halogenated flame retardant, silicon ash
Stone is placed in mixing machine with the material in step 2 and is mixed；
Step 4: the raw material outbound after step 3 mixes 45-60 minutes；
Step 5: the raw material of outbound is dried by drying machine；
Step 6: the raw material after drying is put into the hopper of single lead screw ex truding briquetting machine and prepares blanking；
Step 7: starting single lead screw ex truding briquetting machine makes the material in hopper carry out just one-step forming；
Step 8: preliminary mold after molding is formed by cooler；
Step 9: the mold after sizing passes through ink jet numbering machine lettering；
Step 10: after step 9 has printed word, molding die is made to extend outwardly by drawing machine travel, and pass through cutting machine
It is cut by specific length；
Step 11: the product after cutting carries out artificial detection and classifies；
Step 12: qualified product packaging storage, underproof Product recycling crush again sharp after step 11 classification
With.
Preferably, the cooler uses spraying box cooling and shaping.
Preferably, the raw material in step 5 after drying is crushed by pulverizer.
Preferably, the drying time of the drying machine is 30-50 minutes.
Preferably, it is conveyed between the drying machine and hopper using Material sucking machine.
Preferably, just one-step forming uses sizing sleeve forming to the step 7.
Preferably, the molding machine includes screw rod shearing component, melting component, compression assemblies.
Compared with prior art, the present invention provides a kind of pressing color-changing pipe manufacture craft, have it is following the utility model has the advantages that
1, the pressing color-changing pipe manufacture craft, by the way that triphenyl phosphite is added, halogenated flame retardant plays enhancing tubing
Fire-retardant antioxygen effect, and have both light stability, bond multiple groups raw material by methylcellulose in mixing, together
When zinc stearate be added in mixing can be preliminary molding mold and play lubricant effect, convenient for discharging, pass through the system in tubing
Make that high density polyethylene (HDPE) is added in technique, to make tubing that there is certain winter resistance, places tubing under the lower occasion of temperature
Rupture, and it is additionally added the occasion that a small amount of wollastonite can make pipe applications in different temperatures.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment 1:
A kind of pressing color-changing pipe manufacture craft, including high molecular polymer, decanedioic acid, high density polyethylene (HDPE), methyl are fine
Tie up element, triphenyl phosphite, halogenated flame retardant, zinc stearate, wollastonite.
It further include phthalate ester.
Each component is formed according to following mass parts:
High molecular polymer: 100 parts
Decanedioic acid: 15 parts
High density polyethylene (HDPE): 20 parts
Methylcellulose: 10 parts
Triphenyl phosphite: 6 parts
Halogenated flame retardant: 6 parts
Zinc stearate: 50 parts
Wollastonite: 40 parts.
It is made of following steps:
Step 1: high molecular polymer, decanedioic acid, methylcellulose in weighting 3 are put into mixing machine and are mixed；
Step 2: it is taken out after step 1 mixes 10-15 minutes spare；
Step 3: high density polyethylene (HDPE), methylcellulose in weighting 3, triphenyl phosphite, halogenated flame retardant, silicon ash
Stone is placed in mixing machine with the material in step 2 and is mixed；
Step 4: the raw material outbound after step 3 mixes 45-60 minutes；
Step 5: the raw material of outbound is dried by drying machine；
Step 6: the raw material after drying is put into the hopper of single lead screw ex truding briquetting machine and prepares blanking；
Step 7: starting single lead screw ex truding briquetting machine makes the material in hopper carry out just one-step forming；
Step 8: preliminary mold after molding is formed by cooler；
Step 9: the mold after sizing passes through ink jet numbering machine lettering；
Step 10: after step 9 has printed word, molding die is made to extend outwardly by drawing machine travel, and pass through cutting machine
It is cut by specific length；
Step 11: the product after cutting carries out artificial detection and classifies；
Step 12: qualified product packaging storage, underproof Product recycling crush again sharp after step 11 classification
With.
Cooler uses spraying box cooling and shaping.
Raw material in step 5 after drying is crushed by pulverizer.
The drying time of drying machine is 30-50 minutes, and raw material moisture after dryer heats is detached from, thus after solidifying
Raw material carry out crush obtain plastic grain.
It is conveyed between drying machine and hopper using Material sucking machine, consequently facilitating the conveying of raw material.
Just one-step forming uses sizing sleeve forming to step 7, further forms in discharging to tubing.
Molding machine includes screw rod shearing component, melting component, compression assemblies.
Play the role of enhancing the fire-retardant antioxygen of tubing by addition triphenyl phosphite, halogenated flame retardant, and has both light
Stability bonds multiple groups raw material by methylcellulose in mixing, while zinc stearate is added in mixing can
It is that preliminary molding mold plays lubricant effect, convenient for discharging, by the way that high density polyethylene (HDPE) is added in the manufacture craft of tubing,
To make tubing that there is certain winter resistance, places tubing and ruptured under the lower occasion of temperature, and be additionally added a small amount of silicon ash
Stone can make pipe applications in the occasion of different temperatures.
Embodiment 2:
A kind of pressing color-changing pipe manufacture craft, including high molecular polymer, decanedioic acid, high density polyethylene (HDPE), methyl are fine
Tie up element, triphenyl phosphite, halogenated flame retardant, zinc stearate, wollastonite.
It further include phthalate ester.
Each component is formed according to following mass parts:
High molecular polymer: 100 parts
Decanedioic acid: 20 parts
High density polyethylene (HDPE): 25 parts
Methylcellulose: 12 parts
Triphenyl phosphite: 7 parts
Halogenated flame retardant: 7 parts
Zinc stearate: 55 parts
Wollastonite: 45 parts.
It is made of following steps:
Step 1: high molecular polymer, decanedioic acid, methylcellulose in weighting 3 are put into mixing machine and are mixed；
Step 2: it is taken out after step 1 mixes 10-15 minutes spare；
Step 3: high density polyethylene (HDPE), methylcellulose in weighting 3, triphenyl phosphite, halogenated flame retardant, silicon ash
Stone is placed in mixing machine with the material in step 2 and is mixed；
Step 4: the raw material outbound after step 3 mixes 45-60 minutes；
Step 5: the raw material of outbound is dried by drying machine；
Step 6: the raw material after drying is put into the hopper of single lead screw ex truding briquetting machine and prepares blanking；
Step 7: starting single lead screw ex truding briquetting machine makes the material in hopper carry out just one-step forming；
Step 8: preliminary mold after molding is formed by cooler；
Step 9: the mold after sizing passes through ink jet numbering machine lettering；
Step 10: after step 9 has printed word, molding die is made to extend outwardly by drawing machine travel, and pass through cutting machine
It is cut by specific length；
Step 11: the product after cutting carries out artificial detection and classifies；
Step 12: qualified product packaging storage, underproof Product recycling crush again sharp after step 11 classification
With.
Cooler uses spraying box cooling and shaping.
Raw material in step 5 after drying is crushed by pulverizer.
The drying time of drying machine is 30-50 minutes, and raw material moisture after dryer heats is detached from, thus after solidifying
Raw material carry out crush obtain plastic grain.
It is conveyed between drying machine and hopper using Material sucking machine, consequently facilitating the conveying of raw material.
Just one-step forming uses sizing sleeve forming to step 7, further forms in discharging to tubing.
Molding machine includes screw rod shearing component, melting component, compression assemblies.
Play the role of enhancing the fire-retardant antioxygen of tubing by addition triphenyl phosphite, halogenated flame retardant, and has both light
Stability bonds multiple groups raw material by methylcellulose in mixing, while zinc stearate is added in mixing can
It is that preliminary molding mold plays lubricant effect, convenient for discharging, by the way that high density polyethylene (HDPE) is added in the manufacture craft of tubing,
To make tubing that there is certain winter resistance, places tubing and ruptured under the lower occasion of temperature, and be additionally added a small amount of silicon ash
Stone can make pipe applications in the occasion of different temperatures.
Embodiment 3:
A kind of pressing color-changing pipe manufacture craft, including high molecular polymer, decanedioic acid, high density polyethylene (HDPE), methyl are fine
Tie up element, triphenyl phosphite, halogenated flame retardant, zinc stearate, wollastonite.
It further include phthalate ester.
Each component is formed according to following mass parts:
High molecular polymer: 100 parts
Decanedioic acid: 30 parts
High density polyethylene (HDPE): 30 parts
Methylcellulose: 15 parts
Triphenyl phosphite: 8 parts
Halogenated flame retardant: 8 parts
Zinc stearate: 60 parts
Wollastonite: 50 parts.
It is made of following steps:
Step 1: high molecular polymer, decanedioic acid, methylcellulose in weighting 3 are put into mixing machine and are mixed；
Step 2: it is taken out after step 1 mixes 10-15 minutes spare；
Step 3: high density polyethylene (HDPE), methylcellulose in weighting 3, triphenyl phosphite, halogenated flame retardant, silicon ash
Stone is placed in mixing machine with the material in step 2 and is mixed；
Step 4: the raw material outbound after step 3 mixes 45-60 minutes；
Step 5: the raw material of outbound is dried by drying machine；
Step 6: the raw material after drying is put into the hopper of single lead screw ex truding briquetting machine and prepares blanking；
Step 7: starting single lead screw ex truding briquetting machine makes the material in hopper carry out just one-step forming；
Step 8: preliminary mold after molding is formed by cooler；
Step 9: the mold after sizing passes through ink jet numbering machine lettering；
Step 10: after step 9 has printed word, molding die is made to extend outwardly by drawing machine travel, and pass through cutting machine
It is cut by specific length；
Step 11: the product after cutting carries out artificial detection and classifies；
Step 12: qualified product packaging storage, underproof Product recycling crush again sharp after step 11 classification
With.
Cooler uses spraying box cooling and shaping.
Raw material in step 5 after drying is crushed by pulverizer.
The drying time of drying machine is 30-50 minutes, and raw material moisture after dryer heats is detached from, thus after solidifying
Raw material carry out crush obtain plastic grain.
It is conveyed between drying machine and hopper using Material sucking machine, consequently facilitating the conveying of raw material.
Just one-step forming uses sizing sleeve forming to step 7, further forms in discharging to tubing.
Molding machine includes screw rod shearing component, melting component, compression assemblies.
Play the role of enhancing the fire-retardant antioxygen of tubing by addition triphenyl phosphite, halogenated flame retardant, and has both light
Stability bonds multiple groups raw material by methylcellulose in mixing, while zinc stearate is added in mixing can
It is that preliminary molding mold plays lubricant effect, convenient for discharging, by the way that high density polyethylene (HDPE) is added in the manufacture craft of tubing,
To make tubing that there is certain winter resistance, places tubing and ruptured under the lower occasion of temperature, and be additionally added a small amount of silicon ash
Stone can make pipe applications in the occasion of different temperatures.
The following are experimental data tables:
| Title | First group | Second group | Third group |
| High molecular polymer | 100 | 100 | 100 |
| Decanedioic acid | 15 | 20 | 50 |
| High density polyethylene (HDPE) | 20 | 25 | 50 |
| Methylcellulose | 10 | 12 | 15 |
| Triphenyl phosphite | 6 | 7 | 8 |
| Halogenated flame retardant | 6 | 7 | 8 |
| Zinc stearate | 50 | 55 | 60 |
| Wollastonite | 40 | 45 | 50 |
| Hardness/SH | 95SH | 97SH | 93SH |
| Elasticity modulus/MPa | 80MPa | 90MPa | 100MPa |
Hardness and elastic modulus is improved compared with traditional piping material by the tubing that realization data learn that this method is produced,
Apply it widely.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of pressing color-changing pipe manufacture craft, which is characterized in that including high molecular polymer, decanedioic acid, high-density polyethylene
Alkene, methylcellulose, triphenyl phosphite, halogenated flame retardant, zinc stearate, wollastonite.
2. a kind of pressing color-changing pipe manufacture craft according to claim 1, which is characterized in that further include phthalate ester.
3. a kind of pressing color-changing pipe manufacture craft according to claim 2, which is characterized in that each component is according to following matter
Measure part composition:
High molecular polymer: 100 parts
Decanedioic acid: 15-30 parts
High density polyethylene (HDPE): 20-30 parts
Methylcellulose: 10-15 parts
Triphenyl phosphite: 6-8 parts
Halogenated flame retardant: 6-8 parts
Zinc stearate: 50-60 parts
Wollastonite: 40-50 parts.
4. a kind of pressing color-changing pipe manufacture craft according to claim 3, which is characterized in that carried out using following steps
Production:
Step 1: high molecular polymer, decanedioic acid, methylcellulose in weighting 3 are put into mixing machine and are mixed；
Step 2: it is taken out after step 1 mixes 10-15 minutes spare；
Step 3: high density polyethylene (HDPE), methylcellulose, triphenyl phosphite, halogenated flame retardant, wollastonite in weighting 3 with
Material in step 2, which is placed in mixing machine, to be mixed；
Step 4: the raw material outbound after step 3 mixes 45-60 minutes；
Step 5: the raw material of outbound is dried by drying machine；
Step 6: the raw material after drying is put into the hopper of single lead screw ex truding briquetting machine and prepares blanking；
Step 7: starting single lead screw ex truding briquetting machine makes the material in hopper carry out just one-step forming；
Step 8: preliminary mold after molding is formed by cooler；
Step 9: the mold after sizing passes through ink jet numbering machine lettering；
Step 10: after step 9 has printed word, molding die is made to extend outwardly by drawing machine travel, and by cutting machine by rule
Measured length is cut；
Step 11: the product after cutting carries out artificial detection and classifies；
Step 12: the qualified product packaging storage after step 11 classification, underproof Product recycling, which crushes, to be recycled.
5. a kind of pressing color-changing pipe manufacture craft according to claim 4, which is characterized in that the cooler is using spray
Drench case cooling and shaping.
6. a kind of pressing color-changing pipe manufacture craft according to claim 4, which is characterized in that after dry in step 5
Raw material crushed by pulverizer.
7. a kind of pressing color-changing pipe manufacture craft according to claim 4, which is characterized in that the drying of the drying machine
Time is 30-50 minutes.
8. a kind of pressing color-changing pipe manufacture craft according to claim 7, which is characterized in that the drying machine and hopper
Between conveyed using Material sucking machine.
9. a kind of pressing color-changing pipe manufacture craft according to claim 4, which is characterized in that the step 7 tentatively at
Type uses sizing sleeve forming.
10. according to a kind of described in any item pressing color-changing pipe manufacture crafts of claim 4-9, which is characterized in that it is described at
Type machine includes screw rod shearing component, melting component, compression assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294957.4A CN110172259A (en) | 2019-04-12 | 2019-04-12 | A kind of pressing color-changing pipe manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294957.4A CN110172259A (en) | 2019-04-12 | 2019-04-12 | A kind of pressing color-changing pipe manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110172259A true CN110172259A (en) | 2019-08-27 |
Family
ID=67689712
Family Applications (1)
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| CN201910294957.4A Withdrawn CN110172259A (en) | 2019-04-12 | 2019-04-12 | A kind of pressing color-changing pipe manufacture craft |
Country Status (1)
| Country | Link |
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|---|---|---|---|---|
| JPS62220537A (en) * | 1986-03-20 | 1987-09-28 | Nitto Electric Ind Co Ltd | Molding polyethylene resin composition |
| EP1661948A1 (en) * | 2004-11-23 | 2006-05-31 | Servicios Condumex S.A. De C.V. | Thermoplastic formulations for manufacturing fluid pipes and accessories for home and industrial use, and process for the same |
| CN1817615A (en) * | 2006-03-01 | 2006-08-16 | 东营胜邦塑胶有限公司 | Production of fire-retardant polystyrene draining pipes |
| CN101538384A (en) * | 2008-03-18 | 2009-09-23 | 上海上丰集团有限公司 | Polyethylene pipe workpiece for water supply |
| CN103881179A (en) * | 2012-12-20 | 2014-06-25 | 青岛欣展塑胶有限公司 | Flame-retardant antistatic PET tube material and its preparation method |
| CN104262740A (en) * | 2014-08-28 | 2015-01-07 | 王晓伟 | High density polyethylene pipe |
| CN105440489A (en) * | 2015-12-14 | 2016-03-30 | 安徽宁国市高新管业有限公司 | Antibacterial polyvinyl chloride tube material |
| CN106280078A (en) * | 2016-08-05 | 2017-01-04 | 安徽蓝通科技股份有限公司 | A kind of PVC of acrylate toughening modifying and preparation method thereof |
| CN106800717A (en) * | 2015-11-26 | 2017-06-06 | 张萍 | A kind of PVC formula |
-
2019
- 2019-04-12 CN CN201910294957.4A patent/CN110172259A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62220537A (en) * | 1986-03-20 | 1987-09-28 | Nitto Electric Ind Co Ltd | Molding polyethylene resin composition |
| EP1661948A1 (en) * | 2004-11-23 | 2006-05-31 | Servicios Condumex S.A. De C.V. | Thermoplastic formulations for manufacturing fluid pipes and accessories for home and industrial use, and process for the same |
| CN1817615A (en) * | 2006-03-01 | 2006-08-16 | 东营胜邦塑胶有限公司 | Production of fire-retardant polystyrene draining pipes |
| CN101538384A (en) * | 2008-03-18 | 2009-09-23 | 上海上丰集团有限公司 | Polyethylene pipe workpiece for water supply |
| CN103881179A (en) * | 2012-12-20 | 2014-06-25 | 青岛欣展塑胶有限公司 | Flame-retardant antistatic PET tube material and its preparation method |
| CN104262740A (en) * | 2014-08-28 | 2015-01-07 | 王晓伟 | High density polyethylene pipe |
| CN106800717A (en) * | 2015-11-26 | 2017-06-06 | 张萍 | A kind of PVC formula |
| CN105440489A (en) * | 2015-12-14 | 2016-03-30 | 安徽宁国市高新管业有限公司 | Antibacterial polyvinyl chloride tube material |
| CN106280078A (en) * | 2016-08-05 | 2017-01-04 | 安徽蓝通科技股份有限公司 | A kind of PVC of acrylate toughening modifying and preparation method thereof |
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|---|
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Application publication date: 20190827 |
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