CN113290809A - Special integrated material for modified HDPE double-wall corrugated pipe - Google Patents
Special integrated material for modified HDPE double-wall corrugated pipe Download PDFInfo
- Publication number
- CN113290809A CN113290809A CN202110401755.2A CN202110401755A CN113290809A CN 113290809 A CN113290809 A CN 113290809A CN 202110401755 A CN202110401755 A CN 202110401755A CN 113290809 A CN113290809 A CN 113290809A
- Authority
- CN
- China
- Prior art keywords
- modified
- corrugated pipe
- wall corrugated
- integrated material
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 32
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 29
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011575 calcium Substances 0.000 claims abstract description 8
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 8
- 239000012188 paraffin wax Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000003086 colorant Substances 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000004595 color masterbatch Substances 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000005469 granulation Methods 0.000 abstract description 2
- 230000003179 granulation Effects 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Classifications
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/04—Particle-shaped
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention relates to a special integrated material for a modified HDPE double-wall corrugated pipe, and the preparation process of the integrated material comprises the following steps: heating, sealing, mixing and modifying HDPE, calcium powder, paraffin and a coloring agent in a modifying device, and mixing and stirring simultaneously; the modified material is then formed into modified granules by a granulator. The materials are heated, sealed, mixed and modified, and then are uniformly mixed, so that the molecular structure is more stable, the quality of a finished product is greatly improved, the appearance is bright, the problems of good quality, time damage and non-uniform weight of the finished product manufactured by using the prior art are thoroughly solved, and the pollution to the environment during granulation is greatly reduced.
Description
Technical Field
The invention relates to the field of HDPE double-wall corrugated pipe processing, in particular to a special integrated material for a modified HDPE double-wall corrugated pipe.
Background
With the development of society, plastic pipelines are steadily developing, PE pipes, PP-R pipes and UPVC pipes all occupy a place, wherein the strong development of the PE pipes is most remarkable, the PE pipes are widely used, one common type of the PE pipes is HDPE double-wall corrugated pipes, and the demand of people for the HDPE double-wall corrugated pipes is continuously increased along with the development of the building industry.
The prior HDPE double-wall corrugated pipe is formed by putting HDPE particles, color master batch, calcium powder, paraffin and the like in a certain proportion into a mixer, mixing and stirring the mixture, extruding the mixture through an extruder and forming the mixture through a forming machine. The HDPE double-wall corrugated pipe produced by the process has certain defects, such as uneven mixing of various materials, serious layering, poor product quality, unstable quality, serious dust raising during mixing and stirring, and the like, and the labor intensity of production workers is high, so that the use requirement of people cannot be met, and therefore, the special integrated material for the modified HDPE double-wall corrugated pipe is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, a special integrated material for a modified HDPE double-wall corrugated pipe is provided, so as to solve the problems provided in the background technology. According to the invention, the raw materials of the integrated material are heated, sealed, mixed and modified through equipment, and then pass through the granulator, so that the existing procedures of mixing, stirring and the like are omitted for granulating the modified materials, the problems of good quality, good time, bad quality and uneven weight of finished products are thoroughly solved, and the problem of environment pollution caused by dust emission is further solved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a preparation process of a special integrated material for a modified HDPE double-wall corrugated pipe is characterized by comprising the following steps: the method comprises the following steps: heating, sealing, mixing and modifying HDPE, calcium powder, paraffin and a coloring agent in a modifying device, and mixing and stirring simultaneously; the modified material is then formed into modified granules by a granulator.
As a further technical scheme of the invention: the modification equipment is an internal mixer or a kneader or a twin-screw granulator.
As a further technical scheme of the invention: and when the internal mixer or the kneader is heated to 150-200 ℃ during heating, sealing, mixing and modifying, the heating, sealing, mixing and modifying are completed.
As a further technical scheme of the invention: the granulating temperature of the granulator is 170-190 ℃.
As a further technical scheme of the invention: the colorant is color master.
As a further technical scheme of the invention: 50-90% of HDPE, 10-50% of calcium powder, 4-6% of paraffin and 4-6% of color master batch.
The invention has the beneficial effects that:
1. the raw materials of the integral material are heated, sealed, mixed and modified through equipment, so that various materials are fused and dispersed to the maximum extent, and the raw materials have the most stable structure;
2. and then, the modified material is granulated by a granulator, the granules can be directly added into an extruder for producing the HDPE double-wall corrugated pipe for extrusion molding, the existing procedures of mixing and stirring and the like are omitted, a plurality of problems of environmental pollution and the like caused by serious dust raising during mixing and stirring are avoided, and the labor force is saved.
3. The materials are heated, sealed, mixed and modified, and then are uniformly mixed, so that the molecular structure is more stable, the quality of a finished product is greatly improved, the appearance is bright, and the problems of good quality, time damage and non-uniform weight of the finished product manufactured by using the prior art are thoroughly solved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without any creative efforts shall fall within the protection scope of the present invention.
A special integrated material for a modified HDPE double-wall corrugated pipe is a new material which is obtained by fully fusing and modifying HDPE low-pressure material, calcium powder, paraffin and color master. The preparation process of the integrated material comprises the following steps: adding 50-90% of HDPE, 10-50% of calcium powder, 4-6% of paraffin and 4-6% of color master batch into an internal mixer, a kneader or a twin-screw granulator, heating, sealing, mixing and modifying in modification equipment such as the internal mixer, the kneader or the twin-screw granulator, and the like, and mixing and stirring at the same time, wherein when the internal mixer, the kneader or the twin-screw granulator is heated to 150-200 ℃, the heating, sealing, mixing and modifying is completed; then feeding the modified material into a granulator, and granulating the modified material into modified particles by the granulator, wherein the temperature of the granulator is set to be 170-190 ℃ during granulation; the modified particles can be directly added into an extruder for producing HDPE double-wall corrugated pipes and then extruded and molded.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A special integrated material for a modified HDPE double-wall corrugated pipe is characterized in that: the preparation process of the integrated material comprises the following steps: heating, sealing, mixing and modifying HDPE, calcium powder, paraffin and a coloring agent in a modifying device, and mixing and stirring simultaneously; the modified material is then formed into modified granules by a granulator.
2. The special integrated material for the modified HDPE double-wall corrugated pipe as claimed in claim 1, wherein: the modification equipment is an internal mixer or a kneader or a twin-screw granulator.
3. The special integrated material for the modified HDPE double-wall corrugated pipe as claimed in claim 2, wherein: and when the internal mixer or the kneader is heated to 150-200 ℃ during heating, sealing, mixing and modifying, the heating, sealing, mixing and modifying are completed.
4. The special integrated material for the modified HDPE double-wall corrugated pipe as claimed in claim 1, wherein: the granulating temperature of the granulator is 170-190 ℃.
5. The special integrated material for the modified HDPE double-wall corrugated pipe as claimed in claim 1, wherein: the colorant is color master.
6. The special integrated material for the modified HDPE double-wall corrugated pipe as claimed in claim 5, wherein: 50-90% of HDPE, 10-50% of calcium powder, 4-6% of paraffin and 4-6% of color master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401755.2A CN113290809A (en) | 2021-04-14 | 2021-04-14 | Special integrated material for modified HDPE double-wall corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110401755.2A CN113290809A (en) | 2021-04-14 | 2021-04-14 | Special integrated material for modified HDPE double-wall corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113290809A true CN113290809A (en) | 2021-08-24 |
Family
ID=77319759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110401755.2A Pending CN113290809A (en) | 2021-04-14 | 2021-04-14 | Special integrated material for modified HDPE double-wall corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113290809A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403163A (en) * | 2014-10-28 | 2015-03-11 | 安徽永高塑业发展有限公司 | Master batch applied to polyethylene double-wall bellows and preparation method thereof |
| CN105801955A (en) * | 2014-12-31 | 2016-07-27 | 上海心尔新材料科技股份有限公司 | Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof |
| CN105968484A (en) * | 2016-02-29 | 2016-09-28 | 安徽玉发塑业有限公司 | Nanometer-calcium-oxide-doped filling master batch for PE bellows and preparation method of filling master batch |
| CN111019223A (en) * | 2019-12-27 | 2020-04-17 | 四川仁智新材料科技有限责任公司 | Preparation method of HDPE composite material for outer layer of double-wall corrugated pipe |
| CN111040277A (en) * | 2019-12-26 | 2020-04-21 | 安徽永高塑业发展有限公司 | Filling master batch for inner wall of high-strength polyethylene double-wall corrugated pipe and manufacturing method thereof |
| CN112521673A (en) * | 2020-11-06 | 2021-03-19 | 贵州黔峰实业有限公司 | Preparation and production process of environment-friendly MPVE double-wall corrugated pipe |
-
2021
- 2021-04-14 CN CN202110401755.2A patent/CN113290809A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403163A (en) * | 2014-10-28 | 2015-03-11 | 安徽永高塑业发展有限公司 | Master batch applied to polyethylene double-wall bellows and preparation method thereof |
| CN105801955A (en) * | 2014-12-31 | 2016-07-27 | 上海心尔新材料科技股份有限公司 | Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof |
| CN105968484A (en) * | 2016-02-29 | 2016-09-28 | 安徽玉发塑业有限公司 | Nanometer-calcium-oxide-doped filling master batch for PE bellows and preparation method of filling master batch |
| CN111040277A (en) * | 2019-12-26 | 2020-04-21 | 安徽永高塑业发展有限公司 | Filling master batch for inner wall of high-strength polyethylene double-wall corrugated pipe and manufacturing method thereof |
| CN111019223A (en) * | 2019-12-27 | 2020-04-17 | 四川仁智新材料科技有限责任公司 | Preparation method of HDPE composite material for outer layer of double-wall corrugated pipe |
| CN112521673A (en) * | 2020-11-06 | 2021-03-19 | 贵州黔峰实业有限公司 | Preparation and production process of environment-friendly MPVE double-wall corrugated pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |