CN114311904A - Double-layer PE composite hose sheet and preparation method thereof - Google Patents
Double-layer PE composite hose sheet and preparation method thereof Download PDFInfo
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- CN114311904A CN114311904A CN202111548264.7A CN202111548264A CN114311904A CN 114311904 A CN114311904 A CN 114311904A CN 202111548264 A CN202111548264 A CN 202111548264A CN 114311904 A CN114311904 A CN 114311904A
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Abstract
The invention discloses a double-layer PE composite hose sheet and a preparation method thereof, the invention improves the manufacturing process and level of the hose, the polyethylene PE pipe is manufactured by adopting the process of printing after extrusion molding or the process of printing after manufacturing a plurality of layers of adhesive sheets, the process is larger from the labor cost or the material cost, the new process adopts the double-layer PE structure process, the inner layer can adopt CPR (recycled plastic PE), the environment is protected, and the cost is greatly saved; the flexible printing machine or the satellite printing machine is adopted for printing, so that the printing accuracy is high, the plate adjusting speed is high, the printing speed is high, the production efficiency is greatly improved, and the cost is saved.
Description
Technical Field
The invention relates to the technical field of packaging materials, in particular to a double-layer PE composite hose sheet and a preparation method thereof.
Background
At present, most of the packing hoses used for hoses of cosmetics, foods, medicines, toothpaste and the like are formed by extruding and pressing Polyethylene (PE), the forming speed and the printing after forming are difficult, the printing alignment degree is not accurate, the speed is slow, the precision is not good enough, a multi-layer bonded sheet is adopted, and the sheet contains substances such as adhesive, glue and the like, so that the environment is not good enough, the process is complex, the cost is high, and the packing hoses are easy to crack and layer. Therefore, a double-layer PE composite hose sheet and a method for preparing the same become a problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of a double-layer PE composite hose sheet and a preparation method thereof.
In order to solve the technical problems, the technical scheme provided by the invention is that the double-layer PE composite hose sheet comprises the following components: comprises a PE inner layer and an outer layer;
the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 20 to 80 percent of HDPE low-pressure high-density polyethylene, 20 to 80 percent of LDPE high-pressure low-density polyethylene, 10 to 40 percent of LLDPE linear low-density polyethylene, 5 to 30 percent of CPE modified polyethylene and 5 to 30 percent of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 20-80% of HDPE (high-density polyethylene), 20-80% of LDPE (low-density polyethylene), 10-40% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
As an improvement, the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 30-70% of HDPE (high-density polyethylene), 30-70% of LDPE (low-density polyethylene), 15-35% of LLDPE (linear low-density polyethylene), 10-25% of CPE (chlorinated polyethylene) modified polyethylene and 10-25% of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 25-80% of HDPE (high-density polyethylene), 25-80% of LDPE (low-density polyethylene), 10-30% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
As an improvement, the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 30-60% of HDPE (high-density polyethylene), 30-60% of LDPE (low-density polyethylene), 15-30% of LLDPE (linear low-density polyethylene), 10-20% of CPE (chlorinated polyethylene) modified polyethylene and 10-20% of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 30-70% of HDPE (high-density polyethylene), 30-70% of LDPE (low-density polyethylene), 15-40% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
A preparation method of a double-layer composite hose sheet comprises the following steps: the preparation method comprises the following steps:
(1) the raw materials of the inner layer and the outer layer of the sheet are respectively added into two different mixers according to the proportion, heated to 60-70 ℃, stirred for 30 minutes and uniformly mixed;
(2) respectively putting the mixture into a first extruder and a second extruder, and extruding the mixture at the temperature of 160-280 ℃ simultaneously;
(3) and (3) thermally sealing the extruded mixture in a die head to form a double layer, thermally sealing the double layer by the die head, carrying out three-roller rolling forming on the double layers of the inner layer and the outer layer, and rolling to obtain the fully-bonded double-layer PE composite hose sheet.
Compared with the prior art, the invention has the advantages that: the invention improves the manufacturing process and level of the hose, the Polyethylene (PE) hose adopts the printing process after extrusion molding or the printing process after manufacturing a multi-layer adhesive sheet, the process has larger labor cost or material cost, the new process greatly saves the cost and is more environment-friendly. The flexible printing machine or the satellite printing machine is adopted for printing, so that the printing accuracy is high, the plate adjusting speed is high, the printing speed is high, the production efficiency is greatly improved, and the cost is saved.
Detailed Description
The first embodiment is as follows: a double-layer PE composite hose sheet comprises a sheet PE inner layer and a sheet outer layer;
the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 20 to 80 percent of HDPE low-pressure high-density polyethylene, 20 to 80 percent of LDPE high-pressure low-density polyethylene, 10 to 40 percent of LLDPE linear low-density polyethylene, 5 to 30 percent of CPE modified polyethylene and 5 to 30 percent of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 20-80% of HDPE (high-density polyethylene), 20-80% of LDPE (low-density polyethylene), 10-40% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
Example two: the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 30-70% of HDPE (high-density polyethylene), 30-70% of LDPE (low-density polyethylene), 15-35% of LLDPE (linear low-density polyethylene), 10-25% of CPE (chlorinated polyethylene) modified polyethylene and 10-25% of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 25-80% of HDPE (high-density polyethylene), 25-80% of LDPE (low-density polyethylene), 10-30% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
Example three: the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 30-60% of HDPE (high-density polyethylene), 30-60% of LDPE (low-density polyethylene), 15-30% of LLDPE (linear low-density polyethylene), 10-20% of CPE (chlorinated polyethylene) modified polyethylene and 10-20% of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 30-70% of HDPE (high-density polyethylene), 30-70% of LDPE (low-density polyethylene), 15-40% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene). A manufacturing method of a double-layer PE composite hose comprises a double-layer PE composite hose sheet;
the preparation method comprises the following steps:
(1) the raw materials of the inner layer and the outer layer of the sheet are respectively added into two different mixers according to the proportion, heated to 60-70 ℃, stirred for 30 minutes and uniformly mixed;
(2) respectively putting the mixture into a first extruder and a second extruder, and extruding the mixture at the temperature of 160-280 ℃ simultaneously;
(3) and (3) thermally sealing the extruded mixture in a die head to form a double layer, thermally sealing the double layer by the die head, carrying out three-roller rolling forming on the double layers of the inner layer and the outer layer, and rolling to obtain the fully-bonded double-layer PE composite hose sheet. A manufacturing method of a double-layer PE composite hose comprises a double-layer PE composite hose sheet;
the preparation method of the double-layer composite hose comprises the following steps:
(1) performing corona treatment on the surface of the double-layer PE composite hose sheet, and printing in a printing system after the treatment is finished;
(2) the composite hose sheet enters a printing system, 1 color is printed on each printing system, the UV lamp dries ink after each color is printed, the sheet is automatically pulled to the next color position by a winding machine, then the second color is printed, and the like, and 10 groups of colors can be printed.
(3) After printing is finished, cold ironing treatment can be carried out on the rear part of the double-layer PE composite hose sheet, glazing treatment is carried out after the cold ironing is finished, UV drying is carried out after the treatment is finished, the printed sheet can be finished after rolling, and the process speed of the step is 15-30 meters per minute;
(4) and (3) putting the printed double-layer PE composite hose sheet on a high-frequency welding and sealing pipe making machine for welding and sealing a pipe, automatically cutting the pipe into hoses according to the length printing layout requirement at the speed of 10-30 meters per minute, and obtaining the perfect composite hose after the welding and sealing are finished.
The invention and its embodiments have been described above, without this being limitative. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a double-deck PE composite hose sheet which characterized in that: comprises a PE inner layer and an outer layer;
the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 20 to 80 percent of HDPE low-pressure high-density polyethylene, 20 to 80 percent of LDPE high-pressure low-density polyethylene, 10 to 40 percent of LLDPE linear low-density polyethylene, 5 to 30 percent of CPE modified polyethylene and 5 to 30 percent of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 20-80% of HDPE (high-density polyethylene), 20-80% of LDPE (low-density polyethylene), 10-40% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
2. The double-layer composite hose sheet according to claim 1, wherein:
the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 30-70% of HDPE (high-density polyethylene), 30-70% of LDPE (low-density polyethylene), 15-35% of LLDPE (linear low-density polyethylene), 10-25% of CPE (chlorinated polyethylene) modified polyethylene and 10-25% of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 25-80% of HDPE (high-density polyethylene), 25-80% of LDPE (low-density polyethylene), 10-30% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
3. The double-layer composite hose sheet according to claim 1, wherein:
the PE inner layer of the sheet is prepared from the following raw materials in parts by weight: 30-60% of HDPE (high-density polyethylene), 30-60% of LDPE (low-density polyethylene), 15-30% of LLDPE (linear low-density polyethylene), 10-20% of CPE (chlorinated polyethylene) modified polyethylene and 10-20% of MDPE medium-density polyethylene;
the outer layer of the sheet is prepared from the following raw materials in parts by weight: 30-70% of HDPE (high-density polyethylene), 30-70% of LDPE (low-density polyethylene), 15-40% of LLDPE (linear low-density polyethylene) and 0-40% of CPR (CPR recovery polyethylene).
4. A method of making a two-layer composite hose sheet according to claims 1-3, wherein: the preparation method comprises the following steps:
(1) the raw materials of the inner layer and the outer layer of the sheet are respectively added into two different mixers according to the proportion, heated to 60-70 ℃, stirred for 30 minutes and uniformly mixed;
(2) respectively putting the mixture into a first extruder and a second extruder, and extruding the mixture at the temperature of 160-280 ℃ simultaneously;
(3) and (3) thermally sealing the extruded mixture in a die head to form a double layer, thermally sealing the double layer by the die head, carrying out three-roller rolling forming on the double layers of the inner layer and the outer layer, and rolling to obtain the fully-bonded double-layer PE composite hose sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548264.7A CN114311904A (en) | 2021-12-17 | 2021-12-17 | Double-layer PE composite hose sheet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111548264.7A CN114311904A (en) | 2021-12-17 | 2021-12-17 | Double-layer PE composite hose sheet and preparation method thereof |
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| Publication Number | Publication Date |
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| CN114311904A true CN114311904A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111548264.7A Pending CN114311904A (en) | 2021-12-17 | 2021-12-17 | Double-layer PE composite hose sheet and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034306A (en) * | 2015-05-08 | 2015-11-11 | 大禹节水（天津）有限公司 | High-strength heat-resistant double-layer thin-wall PE soft tube for irrigation and production method thereof |
| CN107443847A (en) * | 2017-09-14 | 2017-12-08 | 安徽蓝韵包装有限公司 | Food packaging no white casse is without floating object polyethylene film and preparation method thereof |
| CN206870317U (en) * | 2017-05-05 | 2018-01-12 | 广州瑞远新材料股份有限公司 | A kind of multi-layer co-extruded curtain coating type production equipment of overall plastic composite hose sheet material |
| CN108674816A (en) * | 2018-03-27 | 2018-10-19 | 苏州通产丽星包装科技有限公司 | A kind of double layer material and preparation method thereof for cosmetic package |
| CN110126411A (en) * | 2019-05-10 | 2019-08-16 | 爱索尔（广州）包装有限公司 | A kind of film and its preparation method and application |
| CN113021833A (en) * | 2021-01-11 | 2021-06-25 | 梁荣标 | Composite hose sheet forming process and composite hose structure |
| CN113619142A (en) * | 2021-08-02 | 2021-11-09 | 梁荣标 | Composite hose sheet forming process and composite hose structure |
-
2021
- 2021-12-17 CN CN202111548264.7A patent/CN114311904A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034306A (en) * | 2015-05-08 | 2015-11-11 | 大禹节水（天津）有限公司 | High-strength heat-resistant double-layer thin-wall PE soft tube for irrigation and production method thereof |
| CN206870317U (en) * | 2017-05-05 | 2018-01-12 | 广州瑞远新材料股份有限公司 | A kind of multi-layer co-extruded curtain coating type production equipment of overall plastic composite hose sheet material |
| CN107443847A (en) * | 2017-09-14 | 2017-12-08 | 安徽蓝韵包装有限公司 | Food packaging no white casse is without floating object polyethylene film and preparation method thereof |
| CN108674816A (en) * | 2018-03-27 | 2018-10-19 | 苏州通产丽星包装科技有限公司 | A kind of double layer material and preparation method thereof for cosmetic package |
| CN110126411A (en) * | 2019-05-10 | 2019-08-16 | 爱索尔（广州）包装有限公司 | A kind of film and its preparation method and application |
| CN113021833A (en) * | 2021-01-11 | 2021-06-25 | 梁荣标 | Composite hose sheet forming process and composite hose structure |
| CN113619142A (en) * | 2021-08-02 | 2021-11-09 | 梁荣标 | Composite hose sheet forming process and composite hose structure |
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