CN104859068A - Manufacturing process of novel high-density polyethylene HDPE single-wall threaded flexible pipe - Google Patents
Manufacturing process of novel high-density polyethylene HDPE single-wall threaded flexible pipe Download PDFInfo
- Publication number
- CN104859068A CN104859068A CN201510099077.3A CN201510099077A CN104859068A CN 104859068 A CN104859068 A CN 104859068A CN 201510099077 A CN201510099077 A CN 201510099077A CN 104859068 A CN104859068 A CN 104859068A
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- Prior art keywords
- parts
- density polyethylene
- manufacturing process
- novel high
- pipe
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Classifications
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- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
-
- 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
- C08L2205/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a manufacturing process of a novel high-density polyethylene HDPE single-wall threaded flexible pipe, wherein the components comprise, by weight, 50-70 parts of low-pressure polyethylene, 30-50 parts of high-pressure polyethylene, 3-5 parts of a tackifying resin, 1.2-2 parts of a composite stabilizer, 1-2 parts of a flame retardant agent, 5-30 parts of a reinforcing agent, 0.02-0.05 part of a compatilizer, and 5-8 parts of a toughener. According to the present invention, the formula is improved so as to effectively improve the stiffness and the strength; with the specially developed toughener, the toughness problem is effectively solved; and the novel high-density polyethylene HDPE single-wall threaded flexible pipe of the present invention has characteristics of strong self-repair ability, long service life, high physical and mechanical properties, compression resistance, impact resistance, heat resistance, wear resistance, and corrosion resistance.
Description
Technical field
The present invention relates to a kind of novel high-density polyethylene HDPE single wall screw can around the manufacturing process of pipe.
Background technology
High density polyethylene (HDPE) (HDPE) single wall screw will can rise with high growth rate around pipe 21st century, the conventional pipelines used at present will be substituted in a large number, the facilities such as product is electric to improvement, telecommunications, building have larger effect, are with a wide range of applications.
But existing novel high-density polyethylene from high pressure process HDPE single wall screw can be poor around pipe self-repairing capability, and service life is short.Polyethylene reelable tube, for the laying of underground communication pipeline, not shock resistance, non-refractory, long service life is shorter, can not play a protective role to communications optical cable, cable.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, provides a kind of novel high-density polyethylene HDPE single wall screw can around the manufacturing process of pipe.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of novel high-density polyethylene of the present invention HDPE single wall screw can around the manufacturing process of pipe, and it comprises the following steps:
S1, the low-pressure polyethylene 50-70 of following parts by weight, polyethylene from high pressure process 30-50, tackifying resin 3-5, compound stabilizer 1.2-2, fire retardant 1-2, reinforcing agent 5-30, compatilizer 0.02-0.05, flexibilizer 5-8 are added in the airtight banbury run up;
S2, the mixture banbury in step S1 is mixing and after granulation at 100-140 DEG C, drop in single screw extrusion machine, extrude at 100-150 DEG C, pelletizing, air-cooled shaping;
S3, the material grain obtained in step S2 is become double wall casing with co-extrusion after low-pressure polyethylene respectively melting, extrusion temperature controls
Within the scope of 85-150 DEG C;
S4, carry out radiation crosslinking modified by high-energy electron accelerator to the low-pressure polyethylene of internal layer and outer field shrink wrap layer, by expanding
The equipment of opening is expanded double-wall pipe sizing.
Further, described low-pressure polyethylene is 60 parts.
Further, described polyethylene from high pressure process is 40 parts.
Further, described tackifying resin is 4 parts.
Further, described compound stabilizer is 1.5 parts.
Further, described fire retardant is 1.5 parts.
Further, described reinforcing agent is 20 parts.
Further, described compatilizer is 0.03 part.
Further, described flexibilizer is 6 parts.
The beneficial effect that the present invention reaches is:
Present invention improves over formula, effectively improve the problem of Rigidity and strength; The flexibilizer adopting our company to develop specially, efficiently solves tough sex chromosome mosaicism.Novel high-density polyethylene HDPE single wall screw provided by the invention can around the manufacturing process of pipe, and self-repairing capability is strong, long service life.There is higher physical and mechanical properties, resistance to compression, shock resistance, heat-resisting, wear-resisting, corrosion-resistant.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
A kind of novel high-density polyethylene of the present invention HDPE single wall screw can around the manufacturing process of pipe, and it comprises the following steps:
S1, the low-pressure polyethylene 50-70 of following parts by weight, polyethylene from high pressure process 30-50, tackifying resin 3-5, compound stabilizer 1.2-2, fire retardant 1-2, reinforcing agent 5-30, compatilizer 0.02-0.05, flexibilizer 5-8 are added in the airtight banbury run up;
S2, the mixture banbury in step S1 is mixing and after granulation at 100-140 DEG C, drop in single screw extrusion machine, extrude at 100-150 DEG C, pelletizing, air-cooled shaping;
S3, the material grain obtained in step S2 is become double wall casing with co-extrusion after low-pressure polyethylene respectively melting, extrusion temperature controls
Within the scope of 85-150 DEG C;
S4, carry out radiation crosslinking modified by high-energy electron accelerator to the low-pressure polyethylene of internal layer and outer field shrink wrap layer, by expansion device, double-wall pipe sizing is expanded.
Further, described low-pressure polyethylene is 60 parts.
Further, described polyethylene from high pressure process is 40 parts.
Further, described tackifying resin is 4 parts.
Further, described compound stabilizer is 1.5 parts.
Further, described fire retardant is 1.5 parts.
Further, described reinforcing agent is 20 parts.
Further, described compatilizer is 0.03 part.
Further, described flexibilizer is 6 parts.
The beneficial effect that the present invention reaches is:
Present invention improves over formula, effectively improve the problem of Rigidity and strength; The flexibilizer adopting our company to develop specially, efficiently solves tough sex chromosome mosaicism.Novel high-density polyethylene HDPE single wall screw provided by the invention can around the manufacturing process of pipe, and self-repairing capability is strong, long service life.There is higher physical and mechanical properties, resistance to compression, shock resistance, heat-resisting, wear-resisting, corrosion-resistant.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. novel high-density polyethylene HDPE single wall screw around a manufacturing process for pipe, can is characterized in that, comprise the following steps:
S1, the low-pressure polyethylene 50-70 of following parts by weight, polyethylene from high pressure process 30-50, tackifying resin 3-5, compound stabilizer 1.2-2, fire retardant 1-2, reinforcing agent 5-30, compatilizer 0.02-0.05, flexibilizer 5-8 are added in the airtight banbury run up;
S2, the mixture banbury in step S1 is mixing and after granulation at 100-140 DEG C, drop in single screw extrusion machine, extrude at 100-150 DEG C, pelletizing, air-cooled shaping;
S3, the material grain obtained in step S2 is become double wall casing with co-extrusion after low-pressure polyethylene respectively melting, extrusion temperature controls
Within the scope of 85-150 DEG C;
S4, carry out radiation crosslinking modified by high-energy electron accelerator to the low-pressure polyethylene of internal layer and outer field shrink wrap layer, by expanding
The equipment of opening is expanded double-wall pipe sizing.
2. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described low-pressure polyethylene is 60 parts.
3. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described polyethylene from high pressure process is 40 parts.
4. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described tackifying resin is 4 parts.
5. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described compound stabilizer is 1.5 parts.
6. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described fire retardant is 1.5 parts.
7. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described reinforcing agent is 20 parts.
8. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described compatilizer is 0.03 part.
9. a kind of novel high-density polyethylene HDPE single wall screw according to claim 1 around the manufacturing process of pipe, can is characterized in that, described flexibilizer is 6 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099077.3A CN104859068A (en) | 2015-03-06 | 2015-03-06 | Manufacturing process of novel high-density polyethylene HDPE single-wall threaded flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099077.3A CN104859068A (en) | 2015-03-06 | 2015-03-06 | Manufacturing process of novel high-density polyethylene HDPE single-wall threaded flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104859068A true CN104859068A (en) | 2015-08-26 |
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ID=53905443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510099077.3A Pending CN104859068A (en) | 2015-03-06 | 2015-03-06 | Manufacturing process of novel high-density polyethylene HDPE single-wall threaded flexible pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104859068A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183857A (en) * | 2011-12-29 | 2013-07-03 | 深圳市宏商材料科技股份有限公司 | Hot melt adhesive-containing polyolefin tubing recovery method |
| CN103360659A (en) * | 2012-04-03 | 2013-10-23 | 李胜春 | High-performance high-density polyethylene (HDPE) pipe fitting |
| CN104151688A (en) * | 2014-09-01 | 2014-11-19 | 康泰塑胶科技集团有限公司 | Modified polyethylene pipe and preparation method thereof |
-
2015
- 2015-03-06 CN CN201510099077.3A patent/CN104859068A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183857A (en) * | 2011-12-29 | 2013-07-03 | 深圳市宏商材料科技股份有限公司 | Hot melt adhesive-containing polyolefin tubing recovery method |
| CN103360659A (en) * | 2012-04-03 | 2013-10-23 | 李胜春 | High-performance high-density polyethylene (HDPE) pipe fitting |
| CN104151688A (en) * | 2014-09-01 | 2014-11-19 | 康泰塑胶科技集团有限公司 | Modified polyethylene pipe and preparation method thereof |
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| PB01 | Publication | ||
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Application publication date: 20150826 |