CN115322473A - Continuous production process of PE breathable film - Google Patents
Continuous production process of PE breathable film Download PDFInfo
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- CN115322473A CN115322473A CN202211072339.3A CN202211072339A CN115322473A CN 115322473 A CN115322473 A CN 115322473A CN 202211072339 A CN202211072339 A CN 202211072339A CN 115322473 A CN115322473 A CN 115322473A
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- breathable film
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- master batch
- chitosan
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010924 continuous production Methods 0.000 title claims abstract description 15
- 239000004698 Polyethylene Substances 0.000 claims abstract description 50
- 229920001661 Chitosan Polymers 0.000 claims abstract description 40
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 36
- -1 polyethylene Polymers 0.000 claims abstract description 20
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 18
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 17
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 48
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 42
- 238000002156 mixing Methods 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 34
- 239000011259 mixed solution Substances 0.000 claims description 32
- 239000000243 solution Substances 0.000 claims description 18
- 239000002202 Polyethylene glycol Substances 0.000 claims description 16
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 16
- 229930006000 Sucrose Natural products 0.000 claims description 16
- 229920001223 polyethylene glycol Polymers 0.000 claims description 16
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 16
- 239000005720 sucrose Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 abstract description 38
- 239000000463 material Substances 0.000 abstract description 6
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 4
- 239000012467 final product Substances 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 3
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- CZFMLDUNXATLOW-XKZIYDEJSA-N (5z)-5-[[3-(2-hydroxyethoxymethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical group C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1COCCO CZFMLDUNXATLOW-XKZIYDEJSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SEGBQNJGOCXIGC-FHERZECASA-N benzyl n-[(2s)-1-[(4-hydroxyoxolan-3-yl)amino]-4-methyl-1-oxopentan-2-yl]carbamate Chemical group N([C@@H](CC(C)C)C(=O)NC1C(COC1)O)C(=O)OCC1=CC=CC=C1 SEGBQNJGOCXIGC-FHERZECASA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
Classifications
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J2323/08—Copolymers of ethene
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
- C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- 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
Abstract
The invention discloses a continuous production process of a PE (polyethylene) breathable film, which comprises the following components in parts by weight: the modified chitosan modified polyethylene material comprises linear low-density polyethylene, calcium carbonate, a dispersing agent and modified master batches, wherein the modified master batches are modified chitosan, and consist of the following components in parts by weight: the modified chitosan is added into the formula of the PE breathable film, and the properties of other components and the amount regulation are matched, so that the final product still keeps the excellent antibacterial property of the modified chitosan, the characteristics of the chitosan are fully exerted, the film forming property of the material is improved, and the antibacterial property and the air permeability of the PE breathable film are improved.
Description
Technical Field
The invention relates to the field of PE films, in particular to a continuous production process of a PE breathable film.
Background
The PE protective film is a macromolecular organic compound with the simplest structure, and is a macromolecular material which is widely applied in the world nowadays. The PE protective film uses a special Polyethylene (PE) plastic film as a base material, and is classified into a high density polyethylene protective film, a medium density polyethylene, and a low density polyethylene according to the difference in density.
This application improves under prior art, and in prior art, the production of PE ventilated membrane all adopts the two-step method: the production method comprises the steps of firstly mixing calcium carbonate and PE materials into breathable particles by a mixing mill, then conveying the breathable particles to a breathable film production line to obtain the PE breathable film, and producing the PE breathable film by a two-step method, wherein the energy consumption is high, the tensile strength, the elongation and other main performance indexes are reduced due to secondary heating of raw materials, and in addition, as the granulation process is carried out, the granulation is cooled, the drying is carried out by hot air heating, and the dehumidification is carried out by a process of heating firstly and then cooling, the process is complex, and the quality is difficult to guarantee.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a continuous production process of a PE breathable film.
In order to achieve the purpose, the invention adopts the following technical scheme:
the PE breathable film comprises the following components in parts by weight: 30-80 parts of linear low-density polyethylene, 40-60 parts of calcium carbonate, 0.5-1 part of dispersing agent and 2-6 parts of modified master batch, wherein the modified master batch is modified chitosan.
As a further scheme of the invention: the modified master batch comprises the following components in parts by weight: 6-10 parts of polyvinyl alcohol, 10-15 parts of chitosan, 70-90 parts of acetic acid solution, 5-8 parts of sucrose ester, 2-5 parts of polyethylene glycol and the balance of water.
As a further scheme of the invention: the preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring, mixing to obtain a first mixed solution, dissolving polyvinyl alcohol in water, adding sucrose ester, and mixing uniformly to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, thus obtaining the modified master batch.
As a further scheme of the invention: the heating temperature in the step S1 is 30-40 ℃, the stirring time in the step S1 is 8-10h, and the stirring time in the step S2 is 6-10h.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (3) adding the mixed raw materials in the step (S1) into a double-screw extruder, carrying out melt blending through the double-screw extruder, and extruding to obtain the PE breathable film.
As a further scheme of the invention: the extrusion temperature of the twin-screw extruder in the step S2 is 170-200 ℃.
The invention has the following beneficial effects:
according to the invention, the modified chitosan is added into the formula of the PE breathable film, and the properties and the dosage of other components are adjusted and controlled, so that the final product still maintains the excellent antibacterial property of the modified chitosan, and the characteristics of the chitosan are fully exerted, the film forming property of the material is improved, and the antibacterial property and the breathability of the PE breathable film are improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The PE breathable film comprises the following components in parts by weight: 30 parts of linear low-density polyethylene, 40 parts of calcium carbonate, 0.5 part of dispersing agent and 2 parts of modified master batch, wherein the modified master batch is modified chitosan and consists of the following components in parts by weight: 6 parts of polyvinyl alcohol, 10 parts of chitosan, 70 parts of acetic acid solution, 5 parts of sucrose ester, 2 parts of polyethylene glycol and the balance of water.
The preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring at the temperature of 30 ℃ for 8 hours, mixing to obtain a first mixed solution, dissolving polyvinyl alcohol into water, adding sucrose ester, and mixing uniformly to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, wherein the stirring time is 6 hours, so as to obtain the modified master batch.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (2) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder, wherein the extrusion temperature is 170 ℃, and extruding to obtain the PE breathable film.
Example two
The PE breathable film comprises the following components in parts by weight: 30 parts of linear low-density polyethylene, 40 parts of calcium carbonate, 1 part of dispersing agent and 3 parts of modified master batch, wherein the modified master batch is modified chitosan and consists of the following components in parts by weight: 6 parts of polyvinyl alcohol, 11 parts of chitosan, 70 parts of acetic acid solution, 5 parts of sucrose ester, 2 parts of polyethylene glycol and the balance of water.
The preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring at the temperature of 30 ℃ for 9 hours, mixing to obtain a first mixed solution, dissolving polyvinyl alcohol into water, adding sucrose ester, and mixing uniformly to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, wherein the stirring time is 7 hours, so as to obtain the modified master batch.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (2) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder at the extrusion temperature of 180 ℃ to obtain the PE breathable film.
EXAMPLE III
The PE breathable film comprises the following components in parts by weight: 40 parts of linear low-density polyethylene, 50 parts of calcium carbonate, 0.8 part of dispersing agent and 4 parts of modified master batch, wherein the modified master batch is modified chitosan and consists of the following components in parts by weight: 7 parts of polyvinyl alcohol, 12 parts of chitosan, 80 parts of acetic acid solution, 7 parts of sucrose ester, 4 parts of polyethylene glycol and the balance of water.
The preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring at the temperature of 35 ℃ for 9 hours, mixing to obtain a first mixed solution, dissolving polyvinyl alcohol into water, adding sucrose ester, and mixing uniformly to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, wherein the stirring time is 7 hours, so as to obtain the modified master batch.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (2) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder, wherein the extrusion temperature is 190 ℃, and extruding to obtain the PE breathable film.
Example four
The PE breathable film comprises the following components in parts by weight: 60 parts of linear low-density polyethylene, 45 parts of calcium carbonate, 0.7 part of dispersing agent and 5 parts of modified master batch, wherein the modified master batch is modified chitosan and consists of the following components in parts by weight: 8 parts of polyvinyl alcohol, 12 parts of chitosan, 85 parts of acetic acid solution, 6 parts of sucrose ester, 4 parts of polyethylene glycol and the balance of water.
The preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring at 40 ℃ for 9 hours to obtain a first mixed solution, dissolving polyvinyl alcohol into water, adding sucrose ester, and uniformly mixing to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, wherein the stirring time is 8 hours, so as to obtain the modified master batch.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (2) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder, wherein the extrusion temperature is 190 ℃, and extruding to obtain the PE breathable film.
EXAMPLE five
The PE breathable film comprises the following components in parts by weight: 70 parts of linear low-density polyethylene, 50 parts of calcium carbonate, 0.9 part of dispersing agent and 6 parts of modified master batch, wherein the modified master batch is modified chitosan and consists of the following components in parts by weight: 9 parts of polyvinyl alcohol, 13 parts of chitosan, 80 parts of acetic acid solution, 7 parts of sucrose ester, 4 parts of polyethylene glycol and the balance of water.
The preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring at 40 ℃ for 10 hours to obtain a first mixed solution, dissolving polyvinyl alcohol into water, adding sucrose ester, and uniformly mixing to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, wherein the stirring time is 6-10h, so as to obtain the modified master batch.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (3) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder, wherein the extrusion temperature is 200 ℃, and extruding to obtain the PE breathable film.
EXAMPLE six
The PE breathable film comprises the following components in parts by weight: 80 parts of linear low-density polyethylene, 60 parts of calcium carbonate, 1 part of dispersing agent and 6 parts of modified master batch, wherein the modified master batch is modified chitosan and consists of the following components in parts by weight: 10 parts of polyvinyl alcohol, 15 parts of chitosan, 90 parts of acetic acid solution, 8 parts of sucrose ester, 5 parts of polyethylene glycol and the balance of water.
The preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring at 40 ℃ for 10 hours to obtain a first mixed solution, dissolving polyvinyl alcohol into water, adding sucrose ester, and uniformly mixing to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, wherein the stirring time is 10 hours, so as to obtain the modified master batch.
A continuous production process of a PE breathable film comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (3) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder, wherein the extrusion temperature is 200 ℃, and extruding to obtain the PE breathable film.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A PE breathable film characterized by: the PE breathable film comprises the following components in parts by weight: 30-80 parts of linear low-density polyethylene, 40-60 parts of calcium carbonate, 0.5-1 part of dispersing agent and 2-6 parts of modified master batch, wherein the modified master batch is modified chitosan.
2. The PE breathable film of claim 1, wherein: the modified master batch comprises the following components in parts by weight: 6-10 parts of polyvinyl alcohol, 10-15 parts of chitosan, 70-90 parts of acetic acid solution, 5-8 parts of sucrose ester, 2-5 parts of polyethylene glycol and the balance of water.
3. A PE breathable film according to claim 2, characterized in that: the preparation process of the modified master batch comprises the following steps:
s1: adding chitosan and polyethylene glycol into an acetic acid solution, heating and stirring, mixing to obtain a first mixed solution, dissolving polyvinyl alcohol in water, adding sucrose ester, and mixing uniformly to obtain a second mixed solution;
s2: and mixing the first mixed solution and the second mixed solution, and stirring to obtain the modified chitosan, thus obtaining the modified master batch.
4. A PE breathable film according to claim 3, characterized in that: the heating temperature in the step S1 is 30-40 ℃, the stirring time in the step S1 is 8-10h, and the stirring time in the step S2 is 6-10h.
5. A continuous production process of a PE breathable film is characterized by comprising the following steps: the continuous PE film production process comprises the following steps:
s1: adding the linear low-density polyethylene, the calcium carbonate, the dispersing agent and the modified master batch into a reaction kettle, and stirring and mixing at a low speed;
s2: and (2) adding the mixed raw materials in the step (S1) into a double-screw extruder, and carrying out melt blending through the double-screw extruder to obtain the PE breathable film through extrusion.
6. The continuous production process of the PE breathable film according to claim 5, wherein the continuous production process comprises the following steps: the extrusion temperature of the twin-screw extruder in the step S2 is 170-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211072339.3A CN115322473A (en) | 2022-09-02 | 2022-09-02 | Continuous production process of PE breathable film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211072339.3A CN115322473A (en) | 2022-09-02 | 2022-09-02 | Continuous production process of PE breathable film |
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| CN115322473A true CN115322473A (en) | 2022-11-11 |
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| CN202211072339.3A Pending CN115322473A (en) | 2022-09-02 | 2022-09-02 | Continuous production process of PE breathable film |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746499A (en) * | 2017-10-18 | 2018-03-02 | 福建恒安卫生材料有限公司 | A kind of biaxial tension ventilated membrane and preparation method thereof |
| CN112778600A (en) * | 2020-12-28 | 2021-05-11 | 金发科技股份有限公司 | Special material for polyolefin breathable film and preparation method and application thereof |
| CN112852048A (en) * | 2021-01-12 | 2021-05-28 | 中广核俊尔(浙江)新材料有限公司 | PE (polyethylene) breathable film material as well as preparation method and application thereof |
| CN114474928A (en) * | 2022-01-18 | 2022-05-13 | 常州市顺龙宏源包装有限公司 | Antibacterial high-barrier composite PE film and preparation method thereof |
-
2022
- 2022-09-02 CN CN202211072339.3A patent/CN115322473A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746499A (en) * | 2017-10-18 | 2018-03-02 | 福建恒安卫生材料有限公司 | A kind of biaxial tension ventilated membrane and preparation method thereof |
| CN112778600A (en) * | 2020-12-28 | 2021-05-11 | 金发科技股份有限公司 | Special material for polyolefin breathable film and preparation method and application thereof |
| CN112852048A (en) * | 2021-01-12 | 2021-05-28 | 中广核俊尔(浙江)新材料有限公司 | PE (polyethylene) breathable film material as well as preparation method and application thereof |
| CN114474928A (en) * | 2022-01-18 | 2022-05-13 | 常州市顺龙宏源包装有限公司 | Antibacterial high-barrier composite PE film and preparation method thereof |
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