CN114479701A - Biodegradable adhesive tape and preparation method thereof - Google Patents
Biodegradable adhesive tape and preparation method thereof Download PDFInfo
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- CN114479701A CN114479701A CN202011161649.3A CN202011161649A CN114479701A CN 114479701 A CN114479701 A CN 114479701A CN 202011161649 A CN202011161649 A CN 202011161649A CN 114479701 A CN114479701 A CN 114479701A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a biodegradable adhesive tape and a preparation method thereof, wherein the biodegradable adhesive tape comprises a release layer, a substrate layer, a waterproof adhesive film layer and an adhesive layer which are sequentially stacked; the base material layer is a cellulose membrane layer, the water-proof adhesive film layer has a water-proof effect, the adhesive layer is prepared from water-based pressure-sensitive adhesive, and the water-proof adhesive film layer is prepared from water-proof adhesive. The biodegradable adhesive tape greatly improves the biodegradability of the adhesive tape and reduces the environmental pollution to the maximum extent; the preparation method of the biodegradable adhesive tape has the advantages of simple process and high efficiency, and the problem that the adhesive tape is softened, crumpled and cannot be curled and rolled due to the fact that the cellulose membrane layer absorbs water and softens because the water in the water-based pressure-sensitive adhesive is directly contacted with the cellulose membrane is solved by coating the water-proof layer on the cellulose membrane layer.
Description
Technical Field
The invention relates to the technical field of biodegradable adhesive tapes, in particular to a biodegradable adhesive tape and a preparation method thereof.
Background
The sealing adhesive tape has wide market application, and can not be separated in various industries in daily production and life, and particularly the demand of the sealing adhesive tape is increased rapidly at the present day when the logistics industry is developed vigorously. In the domestic market at present, the base material of the sealing adhesive tape is mainly petroleum-based polypropylene film and other materials, but the adhesive tape taking the polypropylene plastic film as the base material is not biodegradable after being discarded, so that the problem of serious environmental pollution exists. In addition, because the existing adhesive tape has no biodegradability, the carton adhered with the adhesive tape can not be directly pulped, and the part adhered with the adhesive tape needs to be screened out, so that a large amount of industrial garbage can be generated, and the recycling work of the carton is also greatly inconvenient.
The cellulose membrane can be rapidly degraded by microorganisms and the like in soil, does not cause secondary pollution to the environment, has excellent environmental protection performance, has excellent tensile strength and flexibility, does not generate static electricity, has excellent printing and compounding performance, resists high temperature, does not deform at the high temperature of 190 ℃, and the like. However, the cellulose film has the defects of easy deformation, obvious softening and further reduced toughness when meeting water, so that the application of the cellulose film in an adhesive tape taking a water-based pressure-sensitive adhesive as an adhesive layer is limited.
Disclosure of Invention
The invention aims to overcome the defects and provides the biodegradable adhesive tape, which greatly improves the biodegradation degree of the adhesive tape and reduces the environmental pollution to the greatest extent, and the biodegradable adhesive tape can be repeatedly utilized with a paper box when being applied to a box sealing adhesive tape, so that the generation of a large amount of industrial garbage is avoided, and the resource waste is further avoided; in addition, the invention also provides a preparation method of the biodegradable adhesive tape.
In order to achieve the above object, a first aspect of the present invention provides a biodegradable adhesive tape, which includes a release layer, a substrate layer, a water-proof adhesive film layer, and an adhesive layer, which are sequentially stacked; the base material layer is a cellulose membrane layer, the water-proof adhesive film layer has a water-proof effect, the adhesive layer is prepared from water-based pressure-sensitive adhesive, and the water-proof adhesive film layer is prepared from water-proof adhesive.
By adopting the technical scheme, the cellulose membrane has biodegradability, and the biodegradability of the adhesive tape is greatly improved by adopting the cellulose membrane layer as the base material layer; in addition, the cellulose membrane also has excellent tensile strength, elasticity and high-temperature deformation resistance, and the printing and compounding performance is excellent; through set up the water barrier between cellulose membrane layer and adhesive layer, can avoid because of moisture and cellulose membrane direct contact in the waterborne pressure sensitive adhesive, lead to the cellulose membrane layer to absorb water and soften and make the sticky tape soften and crumple the emergence of the unable coiling problem of curling of wrinkling.
Preferably, the water-proof adhesive is any one of solvent-based oil adhesive, solvent-based ink varnish and solvent-based rubber.
Among them, the solvent-based oil and the solvent-based rubber can further increase the viscosity of the adhesive tape.
Preferably, the aqueous pressure sensitive adhesive is a biodegradable aqueous pressure sensitive adhesive.
Preferably, the release layer is a biodegradable release layer.
The second aspect of the present invention provides a preparation method of the above biodegradable adhesive tape, comprising the following steps: and (2) carrying out release treatment on one surface of the base material layer to form a release layer, coating a layer of water-stop adhesive on the other surface of the base material layer, drying to form a water-stop adhesive film layer, coating a layer of water-based pressure-sensitive adhesive on one side of the water-stop adhesive film layer, which is far away from the base material layer, and drying to form an adhesive layer, thus obtaining the biodegradable adhesive tape.
Preferably, characters and/or patterns are printed on one side, facing the water-stop adhesive film layer, of the base material layer, and the water-stop adhesive is coated after the characters and/or patterns to be printed are printed on the base material layer according to design.
Preferably, the water-stop adhesive is coated on the substrate layer by any one of anilox roll coating, printing plate coating, wire bar coating and gumming roll coating.
Compared with the prior art, the invention has the beneficial effects that:
1. the biodegradable adhesive tape greatly improves the biodegradability of the adhesive tape and reduces environmental pollution; the cellulose membrane has biodegradability, the cellulose membrane layer is used as the base material layer, the biodegradability of the adhesive tape is greatly improved, in addition, the delamination layer is set to be a biodegradable delamination layer, and the water-based pressure-sensitive adhesive is set to be a biodegradable water-based pressure-sensitive adhesive, so that the biodegradability of the adhesive tape is further improved, and the environmental pollution is further reduced to a greater extent.
2. The preparation method of the biodegradable adhesive tape is simple in process and high in efficiency, and the problem that the adhesive tape is softened, crumpled and cannot be curled and rolled due to the fact that the cellulose membrane layer absorbs water and softens because the water in the water-based pressure-sensitive adhesive is in direct contact with the cellulose membrane is solved by coating the water-proof layer on the cellulose membrane layer.
Drawings
Fig. 1 is a schematic structural diagram of a biodegradable adhesive tape according to the present invention.
The correspondence between each mark and the part name is as follows:
Detailed Description
In order to make the technical means implemented by the present invention, and the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
Example 1
The embodiment discloses a biodegradable adhesive tape, which comprises a release layer 1, a substrate layer 2, a waterproof adhesive film layer 3 and an adhesive layer 4 which are sequentially stacked; the base material layer 2 is a cellulose membrane layer, the water-proof adhesive film layer 3 has a water-proof effect, the adhesive layer 4 is prepared from a water-based pressure-sensitive adhesive, and the water-proof adhesive film layer 3 is prepared from a water-proof adhesive.
Specifically, the cellulose film has biodegradability, and the cellulose film layer is used as the substrate layer 2, so that the biodegradability of the biodegradable adhesive tape is greatly improved, and in addition, the cellulose film also has excellent tensile strength, elasticity and high-temperature deformation resistance, and has excellent printing and compounding performance; through set up the water barrier between cellulose membrane layer and adhesive layer 4, can avoid because of moisture and cellulose membrane direct contact in the waterborne pressure sensitive adhesive, lead to the cellulose membrane layer to absorb water and soften and make the sticky tape soften and crumple the emergence of the unable coiling problem of curling.
The water-proof adhesive is any one of solvent-based oil adhesive, solvent-based ink varnish and solvent-based rubber. It should be noted that the selection of the water-blocking adhesive in the present embodiment is not limited to the above selection, and those skilled in the art can make reasonable selections according to common knowledge, conventional means, prior art and conventional technical means in the field. In addition, the solvent-based oil glue and the solvent-based rubber can further increase the viscosity of the adhesive tape.
The release layer 1 in this embodiment is a biodegradable release layer, and the aqueous pressure-sensitive adhesive in this embodiment is a biodegradable aqueous pressure-sensitive adhesive.
The water-based pressure-sensitive adhesive in the embodiment is a biodegradable acrylic water-based pressure-sensitive adhesive, the water-based pressure-sensitive adhesive in the embodiment can also be a biodegradable water-based pressure-sensitive adhesive produced by Shanghai Zhengzhen industry Co., Ltd, and the water-based acrylate pressure-sensitive adhesive disclosed in the Chinese invention patent with the application number of CN201910265014.9 can also be used for preparing the adhesive layer in the application; it should be noted that the aqueous pressure-sensitive adhesive in this embodiment is not limited to the above selection, and those skilled in the art can reasonably select the specific type of the biodegradable aqueous pressure-sensitive adhesive according to actual needs.
In addition, the aqueous pressure-sensitive adhesive in the embodiment can also be prepared by mixing the aqueous pressure-sensitive adhesive with the brand number of 691 produced by Jiangsu national adhesive new material company Limited and the rosin resin with the model number of 881 produced by Shanghai Sangjing chemical company Limited, the aqueous pressure-sensitive adhesive obtained by the method conforms to the national environment-friendly policy of 'oil to water', belongs to environment-friendly aqueous colloid, and improves the degradation degree of the biodegradable adhesive in the invention while ensuring the viscosity; wherein the mass ratio of the water-based pressure-sensitive adhesive with the trade name of 691 to the rosin resin with the model number of 881 is 1: 0.15
The biodegradable release layer in the embodiment is prepared from a silicon-free release agent produced by Hangzhou Juge Biotechnology limited; it should be noted that the biodegradable release layer in this embodiment is not limited to the above-mentioned selection, and those skilled in the art can reasonably select the specific type of the biodegradable release layer according to actual needs.
Wherein, the solvent type oil adhesive with the model number of BH-006 produced by Changzhou Shengbang new material science and technology Limited and the alcohol-soluble ink mixing oil of OPP special adhesive tape produced by Kaimeidi printing material Limited in Fuyang can be used for preparing the waterproof adhesive film layer 3 in the invention.
In addition, the embodiment also provides a preparation method of the biodegradable adhesive tape, which comprises the following steps: and (2) carrying out release treatment on one surface of the substrate layer 2 to form a release layer 1, coating a layer of water-stop adhesive on the other surface of the substrate layer 2, drying to form a water-stop adhesive film layer 3, coating a layer of water-based pressure-sensitive adhesive on one side of the water-stop adhesive film layer 3 departing from the substrate layer 2, and drying to form an adhesive layer, thus obtaining the biodegradable adhesive tape. The water in the water-based pressure-sensitive adhesive is prevented from directly contacting with the cellulose membrane through the water-proof adhesive membrane layer 3, so that the cellulose membrane layer absorbs water and becomes soft, and the adhesive tape becomes soft and crumples and cannot be curled.
In addition, the base material layer 2 is towards one side of the waterproof glue film layer 3 is also printed with characters and/or patterns, and the waterproof glue is coated after the characters and/or patterns to be printed are printed on the base material layer 2 according to design.
Preferably, the water-stop adhesive in this embodiment is applied to the substrate layer 2 by any one of anilox roll coating, printing plate coating, wire bar coating, and gumming roll coating. It should be noted that the application of the water-blocking adhesive in the present embodiment is not limited to the above selection, and the gluing process for the adhesive in the prior art is applicable to the present invention.
In the prior art, when water-based pressure-sensitive adhesive needs to be coated on base materials with water absorption characteristics such as paper and the like, the water-based pressure-sensitive adhesive can be coated after the waterproof adhesive film layer 3 is coated on the surface of the base materials, so that the influence on the performance of a final product after the base materials with the water absorption characteristics absorb water and become soft is avoided.
Compared with the adhesive tape in the prior art, the biodegradable adhesive tape in the embodiment has the advantages that the base material layer 2, the release layer 1 and the adhesive layer 4 are biodegradable, and the biodegradation degree of the adhesive tape is greatly improved through the synergistic effect of the base material layer 1, the release layer 1 and the adhesive layer 4, so that the environmental pollution is reduced to the greatest extent.
Example 2
The embodiment discloses a biodegradable adhesive tape, which comprises a release layer 1, a substrate layer 2 and an adhesive layer 4 which are sequentially stacked; the base material layer 2 is a cellulose membrane layer, and the adhesive layer 4 is prepared from a water-based pressure-sensitive adhesive.
Specifically, the cellulose film has biodegradability, and the cellulose film layer is used as the substrate layer 2, so that the biodegradability of the cellulose film in the embodiment is greatly improved, and in addition, the cellulose film also has excellent tensile strength, elasticity and high temperature deformation resistance, and has excellent printing and compounding performances.
The release layer 1 in this embodiment is a biodegradable release layer, and the aqueous pressure-sensitive adhesive in this embodiment is a biodegradable aqueous pressure-sensitive adhesive.
The water-based pressure-sensitive adhesive in the embodiment is a biodegradable acrylic water-based pressure-sensitive adhesive, the water-based pressure-sensitive adhesive in the embodiment can also be a biodegradable water-based pressure-sensitive adhesive produced by Shanghai Zhengzhen industry Co., Ltd, and the water-based acrylate pressure-sensitive adhesive disclosed in the Chinese invention patent with the application number of CN201910265014.9 can also be used for preparing the adhesive layer in the application; it should be noted that the aqueous pressure-sensitive adhesive in this embodiment is not limited to the above selection, and those skilled in the art can reasonably select the specific type of the biodegradable aqueous pressure-sensitive adhesive according to actual needs.
In addition, the aqueous pressure-sensitive adhesive in the embodiment can also be prepared by mixing the aqueous pressure-sensitive adhesive with the brand number of 691 produced by Jiangsu national adhesive new material company Limited and the rosin resin with the model number of 881 produced by Shanghai Sangjing chemical company Limited, the aqueous pressure-sensitive adhesive obtained by the method meets the national environment-friendly policy of 'changing oil into water', belongs to environment-friendly aqueous colloid, and improves the degradation degree of the biodegradable adhesive while ensuring the viscosity.
The biodegradable release layer in the embodiment is prepared from a silicon-free release agent produced by Hangzhou Juge Biotechnology limited; it should be noted that the biodegradable release layer in this embodiment is not limited to the above-mentioned selection, and those skilled in the art can reasonably select the specific type of the biodegradable release layer according to actual needs. In addition, the embodiment also provides a preparation method of the biodegradable adhesive tape, which comprises the following steps: and (3) carrying out release treatment on one surface of the substrate layer 2 to form a release layer 1, coating a layer of water-based pressure-sensitive adhesive on the other surface of the substrate layer 2, and drying in a drying oven to form an adhesive layer, thus obtaining the biodegradable adhesive tape.
In addition, characters and/or patterns are printed on one side, facing the adhesive layer 4, of the substrate layer 2, and the characters and/or patterns to be printed are printed on the substrate layer 2 according to design and then coated with the water-based pressure-sensitive adhesive.
Compared with the biodegradable adhesive tape in example 1, the biodegradable adhesive tape in this example has the following structural differences: the biodegradable adhesive tape in the embodiment is not provided with the waterproof adhesive film layer, and the substrate layer 2 in the biodegradable adhesive tape prepared by the method is deformed due to the adsorption of partial moisture in the water-based pressure-sensitive adhesive by the cellulose film layer, so that the subsequent winding process of the adhesive tape is not facilitated, and the yield is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A biodegradable adhesive tape is characterized by comprising a release layer, a substrate layer, a waterproof adhesive film layer and an adhesive layer which are sequentially stacked; the base material layer is a cellulose membrane layer, the water-proof adhesive film layer has a water-proof effect, the adhesive layer is prepared from water-based pressure-sensitive adhesive, and the water-proof adhesive film layer is prepared from water-proof adhesive.
2. The biodegradable tape of claim 1, wherein the water-barrier adhesive is any one of solvent-based oil adhesive, solvent-based ink varnish, and solvent-based rubber.
3. A biodegradable tape according to claim 1 wherein the aqueous pressure sensitive adhesive is a biodegradable aqueous pressure sensitive adhesive.
4. The biodegradable tape of claim 1 wherein the release layer is a biodegradable release layer.
5. A method of preparing a biodegradable tape according to any one of claims 1-4, characterized in that it comprises the following steps: and (2) carrying out release treatment on one surface of the base material layer to form a release layer, coating a layer of water-proof adhesive on the other surface of the base material layer, drying to form a water-proof adhesive film layer, then coating a layer of water-based pressure-sensitive adhesive on one side of the water-proof adhesive film layer, which deviates from the base material layer, drying to form an adhesive layer, and thus obtaining the biodegradable adhesive tape.
6. The method of claim 5, wherein the side of the substrate layer facing the water-resistant adhesive film layer is printed with text and/or pattern, and the water-resistant adhesive is coated after the text and/or pattern to be printed is printed on the substrate layer according to the design.
7. The method of claim 5, wherein the water-stop adhesive is applied to the substrate layer by any one of anilox roll coating, printing plate coating, wire bar coating, and gumming roll coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161649.3A CN114479701A (en) | 2020-10-27 | 2020-10-27 | Biodegradable adhesive tape and preparation method thereof |
| PCT/CN2020/140415 WO2022088468A1 (en) | 2020-10-27 | 2020-12-28 | Biodegradable adhesive tape and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011161649.3A CN114479701A (en) | 2020-10-27 | 2020-10-27 | Biodegradable adhesive tape and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114479701A true CN114479701A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011161649.3A Pending CN114479701A (en) | 2020-10-27 | 2020-10-27 | Biodegradable adhesive tape and preparation method thereof |
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| CN (1) | CN114479701A (en) |
| WO (1) | WO2022088468A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714746A (en) * | 2022-05-11 | 2022-07-08 | 郑州中远防务材料有限公司 | Preparation system and method of double-layer unidirectional fabric and double-layer unidirectional fabric prepared by preparation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649060B (en) * | 2009-07-13 | 2011-11-16 | 潍坊恒联玻璃纸有限公司 | Preparing method of cellulose membrane specially used by high-whiteness adhesive tape |
| KR101304144B1 (en) * | 2011-05-13 | 2013-09-05 | (주)엘지하우시스 | Biodegradable sheet |
| CN106833449B (en) * | 2017-02-13 | 2019-07-23 | 深圳市壹零壹工业设计有限公司 | A kind of biodegradable polydactyl acid adhesive tape and preparation method thereof |
| CN208684847U (en) * | 2018-08-20 | 2019-04-02 | 深圳市三上高分子环保新材料股份有限公司 | A kind of degradable pre-coating film and precoating membrane production equipment |
| CN109722201A (en) * | 2018-12-26 | 2019-05-07 | 深圳日高胶带新材料有限公司 | A kind of polyester pressure sensitive adhesive that can be biodegradable and its application |
| CN110183984B (en) * | 2019-06-11 | 2021-09-14 | 广州市默孚材料科技有限公司 | Biodegradable adhesive tape for sealing box |
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2020
- 2020-10-27 CN CN202011161649.3A patent/CN114479701A/en active Pending
- 2020-12-28 WO PCT/CN2020/140415 patent/WO2022088468A1/en active Application Filing
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| WO2022088468A1 (en) | 2022-05-05 |
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Address after: 226532 No.26 Xinggang Road, Changjiang Town, Rugao City, Nantong City, Jiangsu Province Applicant after: Jiangsu Huaxuan packaging material Co.,Ltd. Address before: 226532 No.9, Huajiang Avenue, Changjiang Town, Rugao City, Nantong City, Jiangsu Province Applicant before: Jiangsu Huaxuan Packaging Co.,Ltd. |
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Effective date of registration: 20221130 Address after: 242400 No. 7, Daitang Road, Anhui Nanling Economic Development Zone, Nanling County, Wuhu City, Anhui Province Applicant after: Anhui Huayi Packaging Co.,Ltd. Address before: 226532 No.26 Xinggang Road, Changjiang Town, Rugao City, Nantong City, Jiangsu Province Applicant before: Jiangsu Huaxuan packaging material Co.,Ltd. |