CN114657816A - Sanitary product packaging paper and production process thereof - Google Patents
Sanitary product packaging paper and production process thereof Download PDFInfo
- Publication number
- CN114657816A CN114657816A CN202210210707.XA CN202210210707A CN114657816A CN 114657816 A CN114657816 A CN 114657816A CN 202210210707 A CN202210210707 A CN 202210210707A CN 114657816 A CN114657816 A CN 114657816A
- Authority
- CN
- China
- Prior art keywords
- polyethylene wax
- heat
- acrylic acid
- branched polyethylene
- coating
- 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.)
- Granted
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
Landscapes
- Paper (AREA)
- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The application relates to the field of packaging materials of hygienic products, and particularly discloses packaging paper for a hygienic product and a production process thereof. The sanitary packaging paper sequentially comprises a release layer, a heat sealing layer, a paper base material and a heat sealing layer from one side close to contents; the release layer comprises 78-94% of water-based acrylic emulsion, 5-20% of acrylic acid grafted branched polyethylene wax, 0.3-0.8% of flatting agent, 0.3-0.6% of emulsifier and 0.4-0.6% of defoaming agent; the preparation method of the acrylic acid grafted branched polyethylene wax comprises the following steps: adding branched polyethylene wax into an organic solvent to obtain a branched polyethylene wax solution; adding an acrylic acid monomer and an initiator into an organic solvent to obtain an acrylic acid solution; and dripping the acrylic acid solution into the branched polyethylene wax solution for reaction, adding ethanol into a reaction product, stirring, filtering, drying and purifying to obtain the polyethylene wax. The application of the packaging paper is used for packaging hygienic products, can achieve the heat sealing function, and is dampproof and dustproof.
Description
Technical Field
The application relates to the field of packaging materials of sanitary products, in particular to packaging paper for the sanitary products and a production process thereof.
Background
For a long time, the packaging of sanitary articles for daily use, such as sanitary napkins, diapers or breast pads, usually employs PE films as packaging carriers. It can be seen that these common packaging forms all use PE film as a packaging carrier, however, the PE film is difficult to degrade after being discarded, and causes environmental pollution. Therefore, more and more manufacturers use wrapping paper instead of PE film as a wrapping material for sanitary products.
At present, an environment-friendly packaging paper exists, which comprises a paper substrate, wherein a heat sealing layer is coated on one surface of the paper substrate close to contents, and an organic silicon anti-sticking layer is further coated on an area, corresponding to the contents, on the surface of the heat sealing layer, so that the adhesion of the heat sealing layer to the contents is prevented. However, the packaging paper with the above structure cannot realize complete heat sealing of the contents, so that the sealing is not tight, and the contents cannot be effectively protected from moisture and dust.
Disclosure of Invention
In order to facilitate heat sealing of the packaging paper and have a good moisture-proof and dust-proof function, the application provides the packaging paper for the sanitary product and a production process thereof.
In a first aspect, the present application provides a sanitary napkin paper, which adopts the following technical scheme:
a sanitary packaging paper comprises a release layer, a heat sealing layer, a paper base material and a heat sealing layer in sequence from one side close to contents;
the release layer comprises, by weight, 78-94% of an aqueous acrylic emulsion, 5-20% of an acrylic acid grafted branched polyethylene wax, 0.3-0.8% of a leveling agent, 0.3-0.6% of an emulsifier and 0.4-0.6% of a defoaming agent;
the preparation method of the acrylic acid grafted branched polyethylene wax comprises the following steps:
adding branched polyethylene wax into an organic solvent, and heating and melting to obtain a branched polyethylene wax solution;
adding an acrylic acid monomer and an initiator into an organic solvent to obtain an acrylic acid solution;
and (3) dripping an acrylic acid solution into the branched polyethylene wax solution for reaction, then adding a reaction product into ethanol, stirring, filtering, drying and purifying to obtain the acrylic acid grafted branched polyethylene wax.
By adopting the technical scheme, the branched polyethylene wax has a branched structure, has very excellent performance, is nontoxic, tasteless and non-corrosive, and has better chemical stability. The branched polyethylene wax is subjected to graft modification by adopting the acrylic acid monomer, so that the water solubility and emulsibility of the branched polyethylene wax are improved, and the acrylic acid grafted branched polyethylene wax is applied to the packaging paper for the sanitary products to play roles in lubrication and viscosity reduction. The functional heat-sealing agent is blended with the water-based acrylic emulsion to form a main matrix of the functional heat-sealing layer, so that complete heat sealing of contents can be realized, and the moisture-proof and dust-proof performance of the packaging paper is improved.
Preferably, in the preparation method of the acrylic acid grafted branched polyethylene wax, the amount of the acrylic acid monomer accounts for 4-8% of the amount of the branched polyethylene wax by weight percent.
By adopting the technical scheme, the lubricating and viscosity reducing effects of the acrylic acid grafted branched polyethylene wax are further improved by limiting the using amount of the acrylic acid monomer, so that the prepared packaging paper has better heat sealing performance and moisture-proof and dust-proof functions.
Preferably, in the preparation method of the acrylic acid grafted branched polyethylene wax, the amount of the acrylic acid monomer accounts for 6% of the amount of the branched polyethylene wax by weight percent.
By adopting the technical scheme, when the acrylic acid monomer and the branched polyethylene wax are modified according to the weight ratio of 6:100, the obtained acrylic acid grafted branched polyethylene wax has better various properties, so that the heat sealing property and the moisture-proof and dust-proof properties of the prepared packaging paper are improved.
Preferably, in the preparation method of the acrylic acid grafted branched polyethylene wax, the amount of the initiator accounts for 0.2 to 0.4 percent of the amount of the branched polyethylene wax in percentage by weight.
By adopting the technical scheme, the dosage of the initiator can obviously influence the grafting of the acrylic acid monomer and the branched polyethylene wax, and when the dosage of the initiator is in the range, the obtained acrylic acid grafted branched polyethylene wax has better performance.
Preferably, the initiator is tert-butyl hydroperoxide.
Preferably, the heat sealing layer comprises 99-99.5% of water-based acrylic emulsion, 0.3-0.5% of leveling agent and 0.2-0.5% of defoaming agent by weight percentage.
By adopting the technical scheme, the heat sealing layer prepared from the raw materials has better high temperature resistance and waterproof performance, can meet the requirement of packaging of hygienic products, replaces a PE film to package the hygienic products, is simple in production steps and contributes to environmental protection.
In a second aspect, the application provides a production process of a sanitary product packaging paper, which adopts the following technical scheme: a production process of sanitary product packaging paper comprises the following steps:
coating of the heat-sealing layer: mixing the raw materials of the heat-sealing layer to obtain a heat-sealing layer coating, fully coating the heat-sealing layer coating on two sides of the paper base material, and drying to obtain the heat-sealing layer;
coating of a release layer: and mixing the release layer raw materials to obtain a release layer coating, locally coating the release layer coating on the surface of the heat seal layer close to one side of the content, and drying to obtain the release layer.
By adopting the technical scheme, the coating process is simple, the conditions are easy to control, and large-scale industrial production can be realized.
Preferably, the heat-sealing layer is coated by the following steps: and mixing the heat-seal layer raw materials to obtain a heat-seal layer coating, coating the heat-seal layer coating on two sides of the paper base material, drying, coating the heat-seal layer coating on the full plate on the surface of the heat-seal layer, and drying to obtain the paper base material.
By adopting the technical scheme, the heat sealing performance of the packaging paper can be further improved, so that the moisture-proof and dust-proof performance of the packaging paper to the contents is improved.
Preferably, the dry weight of coating of each heat sealing layer is 0.3-1g/m2。
Preferably, the coating dry weight of the release layer is 0.5-1.2g/m2。
In summary, the present application has the following beneficial effects:
1. the paper base material is used as the main packaging base material to replace a PE film which is difficult to degrade to package the sanitary product, so that the environment is protected, the production process is relatively simple, harmful solvent volatilization is not contained in the process, and harm to the health of production personnel is avoided;
2. according to the application, the branched polyethylene wax is modified by adopting the acrylic acid monomer and is matched with the water-based acrylic acid emulsion for use, so that the heat sealing performance of the packaging paper is improved, the hygienic product can be effectively sealed, and the dustproof and moistureproof performance is improved;
3. the method has simple process and easily controlled conditions, and can be used for industrial large-scale production.
Drawings
FIG. 1 is a schematic view showing the structure of each layer of the waterproof wrapper in examples 1 to 12 of the present application;
FIG. 2 is a schematic view showing the structure of each layer of the waterproof wrapper paper in examples 13 to 17 of the present application.
Reference numerals: 1. a release layer; 2. a heat seal layer; 3. a paper substrate.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
The raw materials used in the examples of the present application are commercially available, except for the following specific descriptions:
the average relative molecular weight of the branched polyethylene wax is 4400, and is of industrial grade;
the acrylic monomer described below may be an acrylic or methacrylic monomer, and is not particularly limited, and the following examples illustrate methyl acrylate, which is obtained from alatin.
Performance test
Test one: heat sealability test
The packaging paper is heat-sealed for 4s at 180 ℃ and under the pressure of 0.4MPa, the packaging paper is cut into paper strips with the width of 25cm after being cooled, the peeling force is tested on a tensile machine, the peeling tension is measured, each group is tested repeatedly for 5 times, and the test result is averaged.
And (2) test II: release test
After the wrapping paper and the tesa7475 are attached, rolling the wrapping paper and the tesa7475 in the same direction for 4 times by using a 2kg roller, pressing the wrapping paper by using a 10kg pressing block for 10min, taking down the pressing block, standing for 5min, performing a peeling force test by a tensile machine, repeatedly testing each group for 5 times, and averaging the test results.
And (3) test III: weather resistance test
After the wrapping paper and the tesa7475 are attached, rolling the wrapping paper and the tesa7475 in the same direction for 4 times by using a 2kg roller, controlling the temperature of an oven to be 50 ℃, pressing the wrapping paper and the tesa7475 in the oven for 20 hours by using 10kg of pressing blocks, taking down the pressing blocks, standing the pressing blocks for 4 hours in an environment of 23 ℃, performing a stripping force test by using a tensile machine, repeatedly testing each group for 5 times, and averaging test results.
Preparation of acrylic acid grafted branched polyethylene wax
Preparation example 1
An acrylic acid grafted branched polyethylene wax is prepared by the following steps:
adding 1000g of branched polyethylene wax into absolute ethyl alcohol of an organic solvent with the volume 2 times that of the branched polyethylene wax, and heating to 130 ℃ for melting to obtain a branched polyethylene wax solution;
adding 30g of acrylic acid monomer and 1g of initiator benzoyl peroxide into organic solvent absolute ethyl alcohol with the volume 5 times that of the acrylic acid monomer to obtain acrylic acid solution;
controlling the temperature to be 140 ℃, dripping an acrylic acid solution into the branched polyethylene wax solution for reaction, preserving heat for reaction for 8 hours after dripping is finished, then adding a reaction product into ethanol with the volume 5 times that of the reaction product, stirring, filtering, drying, and then performing Soxhlet extraction on the dried product for 8 hours by taking the ethanol as a solvent to obtain the acrylic acid grafted branched polyethylene wax.
Preparation examples 2 to 5
An acrylic acid grafted branched polyethylene wax was different from that of preparation example 1 in the amount of acrylic acid monomer used, as shown in the following table.
Preparation examples 6 to 9
An acrylic acid grafted branched polyethylene wax was different from that of preparation example 3 in the amount of the initiator used, and is specifically shown in the following table.
Preparation example 10
An acrylic acid grafted branched polyethylene wax, which is different from the preparation example 7 in that the initiator is tert-butyl hydroperoxide.
Examples
Example 1
A sanitary packaging paper, as shown in figure 1, comprises a release layer 1, a heat sealing layer 2, a paper substrate 3 and a heat sealing layer 2 in sequence from one side close to contents;
wherein the paper base material 3 is 30g/m2The white coated paper of (1).
The heat sealing layer 2 is formed by coating the heat sealing layer raw material on the surface of the paper base material 3. The heat sealing layer is prepared from water-based acrylic emulsion and an auxiliary agent, wherein the weight percentage content of the water-based acrylic emulsion is not less than 95%, and the solid content of the water-based acrylic emulsion is 40-50%, and the water-based acrylic emulsion is not particularly limited. In carrying out the present application, the inventors have found that the production of waterproof wrapping paper within the above range does not differ significantly in the properties of the resulting wrapping paper, but is relatively superior when the heat seal layer material consists of 99 to 99.5% of an aqueous acrylic emulsion, 0.3 to 0.5% of a leveling agent, and 0.2 to 0.5% of an antifoaming agent. This example illustrates only one example, that is, the heat seal material comprises 99.3g of an aqueous acrylic emulsion having a solid content of 40%, 0.4g of a silicone leveling agent, and 0.3g of a silicone defoaming agent.
The release layer 1 is formed by coating a release layer raw material on the surface of the heat sealing layer 2 close to the content side. The release layer raw material consisted of 78g of aqueous acrylic emulsion with a solid content of 40%, 20g of acrylic acid grafted branched polyethylene wax prepared in preparation example 1, 0.8g of silicone leveling agent, 0.6g of emulsifier sodium lauryl sulfate and 0.6g of silicone defoamer.
The preparation method of the packaging paper for the sanitary products in the embodiment comprises the following steps:
coating of the heat seal layer: mixing the heat-sealing layer raw materials to obtain a heat-sealing layer coating, coating the heat-sealing layer coating on two sides of the paper base material 3 at a coating speed of 350m/min, and drying at 80 ℃ to obtain the heat-sealing layer 2, wherein the coating dry weight of the heat-sealing layer 2 is 3.5g/m2；
Coating of a release layer: mixing the release layer raw materials to obtain a release layer coating, locally coating the release layer coating on the surface of the heat seal layer 2 close to the content side at a coating speed of 350m/min, and drying at 80 ℃ to obtain a release layer 1, wherein the coating dry weight of the release layer 1 is 2g/m2。
Examples 2 to 3
A sanitary packaging paper comprises a release layer 1, a heat sealing layer 2, a paper substrate 3 and a heat sealing layer 2 in sequence from one side close to contents as shown in figure 1.
The difference from example 1 is that the amount of the raw material of the release layer 1 is different, as shown in the following table.
Raw material amount of release layer in examples 1 to 3:
comparative example 1
A wrapper paper differing from example 1 in that an equivalent amount of branched polyethylene wax was used in place of the acrylic acid-grafted branched polyethylene wax.
Results of performance tests of examples 1 to 3 and comparative example 1:
as can be seen from the data in the table, the wrapping paper for hygiene products prepared in examples 1 to 3 of the present application has good heat sealing performance, and can completely seal the contents of the hygiene products, so that the wrapping paper has good waterproof and dustproof performance, and can meet the application in the field of hygiene product packaging. In the comparative example 1, the branched polyethylene wax is used to replace the acrylic acid grafted branched polyethylene wax, and the heat sealing performance, the release performance and the weather resistance of the obtained packaging paper are reduced to different degrees.
Examples 4 to 7
A sanitary packaging paper comprises a release layer 1, a heat sealing layer 2, a paper substrate 3 and a heat sealing layer 2 in sequence from one side close to contents as shown in figure 1.
The difference from example 2 is that acrylic acid grafted branched polyethylene wax is used in the raw material of the release layer 1, and the details are shown in the following table.
Use of the acrylic acid-grafted branched polyethylene wax of example 2 and examples 4 to 7:
from the data in the table, the waterproof wrapping paper prepared by using the acrylic acid grafted branched polyethylene wax prepared in preparation example 3 has better heat sealability, release property and weather resistance, that is, when the branched polyethylene wax is subjected to graft modification by using an acrylic acid monomer, the amount of the acrylic acid monomer accounts for 6% of the amount of the branched polyethylene wax, and the modification effect is best.
Examples 8 to 11
A sanitary packaging paper comprises a release layer 1, a heat sealing layer 2, a paper substrate 3 and a heat sealing layer 2 in sequence from one side close to contents as shown in figure 1.
The difference from example 5 is that acrylic acid grafted branched polyethylene wax is used in the raw material of the release layer 1, and the details are shown in the following table.
Use of the acrylic acid-grafted branched polyethylene wax of example 5 and examples 8 to 11:
from the data in the table, the waterproof packaging paper prepared by using the acrylic acid grafted branched polyethylene wax prepared in preparation example 7 has better heat sealability, release property and weather resistance, namely, in the graft modification process of the branched polyethylene wax, the optimal using amount of the initiator is 0.3% of the using amount of the branched polyethylene wax.
Example 12
A sanitary packaging paper comprises a release layer 1, a heat sealing layer 2, a paper substrate 3 and a heat sealing layer 2 in sequence from one side close to contents as shown in figure 1.
The difference from example 9 is that acrylic acid grafted branched polyethylene wax is used in the raw material of the release layer 1, and the details are shown in the following table.
Use of the acrylic acid-grafted branched polyethylene wax in examples 9 and 12:
as can be seen from the data in the table, in the process of carrying out acrylic acid graft modification on branched polyethylene wax, the preferred choice of the initiator is tert-butyl hydroperoxide, and various properties of the finally obtained waterproof packaging paper can be obviously improved.
Example 13
A wrapping paper for sanitary goods, which is different from example 12 in that 2 heat-seal layers 2 are repeatedly coated on both sides of a paper base 3, as shown in fig. 2.
The preparation method of the packaging paper for the sanitary products in the embodiment comprises the following steps:
coating of the heat seal layer: mixing the heat-sealing layer raw materials to obtain a heat-sealing layer coating, partially coating the heat-sealing layer coating on the surface of a paper base material 3 at a coating speed of 350m/min, drying at 80 ℃ to form a first heat-sealing layer 2, then fully coating the heat-sealing layer raw materials on the surface of the first heat-sealing layer 2 at a coating speed of 350m/min, drying at 80 ℃ to form a second heat-sealing layer 2, wherein the coating dry weight of each heat-sealing layer 2 is 1.5g/m2；
Coating of a release layer: mixing the release layer raw materials to obtain a release layer coating, fully coating the release layer coating on the surface of the heat seal layer 2 close to the content side at a coating speed of 350m/min, and drying at 80 ℃ to obtain a release layer 1, wherein the coating dry weight of the release layer 1 is 2g/m2。
Example 14
A sanitary napkin has a structure of layers as shown in figure 2. This example is different from example 13 in that each heat-sealable layer 2 was coated in a dry weight of 1g/m2。
Example 15
A sanitary napkin has a structure shown in figure 2. This example differs from example 13 in that the first heat-seal layer 2 was applied in a dry weight of 1g/m2The second heat-seal layer 2 was coated at a dry weight of 0.3g/m2。
Example 16
A sanitary napkin has a structure shown in figure 2. This example is different from example 13 in that the release layer 1 was coated at a dry weight of 0.5g/m2。
Example 17
A sanitary napkin has a structure of layers as shown in figure 2. This example is different from example 13 in that the release layer 1 was coated at a dry weight of 1.2g/m2。
Results of performance testing for examples 12-17:
as can be seen from the data in the above table, the waterproof wrapping paper in examples 13-17 all adopt a structure with two heat sealing layers, and the heat sealability of the finally obtained waterproof wrapping paper is obviously improved.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The packaging paper for the sanitary products is characterized by comprising a release layer, a heat sealing layer, a paper base material and a heat sealing layer in sequence from one side close to contents;
the release layer comprises, by weight, 78-94% of an aqueous acrylic emulsion, 5-20% of an acrylic acid grafted branched polyethylene wax, 0.3-0.8% of a leveling agent, 0.3-0.6% of an emulsifier and 0.4-0.6% of a defoaming agent;
the preparation method of the acrylic acid grafted branched polyethylene wax comprises the following steps:
adding branched polyethylene wax into an organic solvent, and heating and melting to obtain a branched polyethylene wax solution;
adding an acrylic acid monomer and an initiator into an organic solvent to obtain an acrylic acid solution;
and dripping an acrylic acid solution into the branched polyethylene wax solution for reaction, then adding a reaction product into ethanol, stirring, filtering, drying and purifying to obtain the acrylic acid grafted branched polyethylene wax.
2. The wrapping paper for sanitary products according to claim 1, wherein the acrylic acid-grafted branched polyethylene wax is prepared by using an acrylic acid monomer in an amount of 4 to 8% by weight based on the amount of the branched polyethylene wax.
3. The wrapping paper for sanitary products according to claim 2, wherein the acrylic acid-grafted branched polyethylene wax is prepared by using an amount of the acrylic acid monomer of 6% by weight based on the amount of the branched polyethylene wax.
4. The wrapping paper for sanitary products according to claim 1, wherein the acrylic acid-grafted branched polyethylene wax is prepared in such a manner that the amount of the initiator is 0.2 to 0.4% by weight based on the amount of the branched polyethylene wax.
5. A wrapping paper for sanitary goods as defined in claim 1, wherein said initiator is t-butyl hydroperoxide.
6. The wrapping paper for sanitary products according to claim 1, wherein said heat-seal layer comprises, in weight percent, 99 to 99.5% of an aqueous acrylic emulsion, 0.3 to 0.5% of a leveling agent, and 0.2 to 0.5% of an antifoaming agent.
7. A process for producing a wrapping paper for sanitary napkins according to any one of claims 1 to 6, comprising the steps of:
coating of the heat-sealing layer: mixing the raw materials of the heat-sealing layer to obtain a heat-sealing layer coating, fully coating the heat-sealing layer coating on two sides of the paper base material, and drying to obtain the heat-sealing layer;
coating of a release layer: and mixing the release layer raw materials to obtain a release layer coating, locally coating the release layer coating on the surface of the heat seal layer close to one side of the content, and drying to obtain the release layer.
8. A process for producing a wrapping paper for sanitary goods as claimed in claim 7, wherein said heat-seal layer is applied by: mixing the raw materials of the heat-sealing layer to obtain a heat-sealing layer coating, coating the heat-sealing layer coating on two sides of the paper base material, drying, then coating the heat-sealing layer coating on the surface of the heat-sealing layer in a full-page manner, and drying to obtain the paper base material.
9. The production process of a wrapping paper for sanitary goods as claimed in claim 8, wherein the dry amount of coating of each of said heat-seal layers is 0.3 to 1g/m2。
10. The production process of a wrapping paper for sanitary goods as claimed in claim 7, wherein said release layer is coated in a dry amount of 0.5 to 1.2g/m2。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210707.XA CN114657816B (en) | 2022-03-03 | 2022-03-03 | Wrapping paper for sanitary products and production process thereof |
| PCT/CN2023/078286 WO2023165432A1 (en) | 2022-03-03 | 2023-02-25 | Packaging paper for sanitary products and production process therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210707.XA CN114657816B (en) | 2022-03-03 | 2022-03-03 | Wrapping paper for sanitary products and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114657816A true CN114657816A (en) | 2022-06-24 |
| CN114657816B CN114657816B (en) | 2023-05-09 |
Family
ID=82026718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210210707.XA Active CN114657816B (en) | 2022-03-03 | 2022-03-03 | Wrapping paper for sanitary products and production process thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114657816B (en) |
| WO (1) | WO2023165432A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023165432A1 (en) * | 2022-03-03 | 2023-09-07 | 上海紫华薄膜科技有限公司 | Packaging paper for sanitary products and production process therefor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345097A (en) * | 1999-06-04 | 2000-12-12 | Mitsui Chemicals Inc | Polyolefin elastomer-based aqueous coating agent |
| CN102167783A (en) * | 2011-03-09 | 2011-08-31 | 张燕妮 | Method for preparing functionalized polyethylene wax |
| CN102471655A (en) * | 2009-07-31 | 2012-05-23 | 汉高公司 | Low application temperature hot melt adhesive |
| US20200131708A1 (en) * | 2017-04-28 | 2020-04-30 | Sun Chemical Corporation | Heat sealable barrier coating |
| CN111945477A (en) * | 2020-08-14 | 2020-11-17 | 上海紫华薄膜科技有限公司 | Release heat-sealing packaging paper and manufacturing method thereof |
| CN113430861A (en) * | 2021-07-31 | 2021-09-24 | 广东博海化工科技有限公司 | Waterproof water-based heat-sealing coating applied to paper food packaging material and preparation method and application method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657816B (en) * | 2022-03-03 | 2023-05-09 | 上海紫华薄膜科技有限公司 | Wrapping paper for sanitary products and production process thereof |
-
2022
- 2022-03-03 CN CN202210210707.XA patent/CN114657816B/en active Active
-
2023
- 2023-02-25 WO PCT/CN2023/078286 patent/WO2023165432A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345097A (en) * | 1999-06-04 | 2000-12-12 | Mitsui Chemicals Inc | Polyolefin elastomer-based aqueous coating agent |
| CN102471655A (en) * | 2009-07-31 | 2012-05-23 | 汉高公司 | Low application temperature hot melt adhesive |
| CN102167783A (en) * | 2011-03-09 | 2011-08-31 | 张燕妮 | Method for preparing functionalized polyethylene wax |
| US20200131708A1 (en) * | 2017-04-28 | 2020-04-30 | Sun Chemical Corporation | Heat sealable barrier coating |
| CN111945477A (en) * | 2020-08-14 | 2020-11-17 | 上海紫华薄膜科技有限公司 | Release heat-sealing packaging paper and manufacturing method thereof |
| CN113430861A (en) * | 2021-07-31 | 2021-09-24 | 广东博海化工科技有限公司 | Waterproof water-based heat-sealing coating applied to paper food packaging material and preparation method and application method thereof |
Non-Patent Citations (2)
| Title |
|---|
| D.SATAS等（编），赵风清等（译）: "《涂料涂装工艺应用手册（第二版）》", 31 January 2003, 中国石化出版社 * |
| 张辉等: "支化聚乙烯蜡的丙烯酸接枝改性及乳化工艺研究", 《日用化学工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023165432A1 (en) * | 2022-03-03 | 2023-09-07 | 上海紫华薄膜科技有限公司 | Packaging paper for sanitary products and production process therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114657816B (en) | 2023-05-09 |
| WO2023165432A1 (en) | 2023-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5065262B2 (en) | Heat seal materials for aluminum sheets and polyethylene terephthalate sheets for polypropylene containers, polyvinyl chloride containers and polystyrene containers | |
| US5089320A (en) | Resealable packaging material | |
| KR100854063B1 (en) | Water-based adhesives for difficult substrates and low temperatures | |
| FI109803B (en) | Multi-layer heat-sealable plastic film | |
| CN110078958A (en) | A kind of preparation method and application of bacteriostatic activity food package film | |
| BRPI0621464A2 (en) | thermal sealing composition for aluminum sheets and polyethylene terephthalate sheets with respect to polypropylene containers, polyvinyl chloride containers and polystyrene containers | |
| US20050095436A1 (en) | Synthetic based self seal adhesive system for packaging | |
| CN108587532A (en) | Anti-oxidant Medical hot melt pressure-sensitive adhesive and preparation method thereof | |
| JP7130168B1 (en) | Water-resistant paper, and wrapping paper or container using the water-resistant paper | |
| CN114657816A (en) | Sanitary product packaging paper and production process thereof | |
| MX2014006251A (en) | Use of dispersions based on polyvinyl acetate as a barrier layer. | |
| FI116064B (en) | Barrier blend and food wrapping film containing blend | |
| CN105802552B (en) | A kind of joint sealing environment-friendly type water based adhesive and preparation method thereof | |
| US7153581B2 (en) | Extrudable, low-migration organic silicone copolymers of high transparency, their preparation and use | |
| NL194977C (en) | Method for reducing the permeability of paper and cardboard and a raw material for this method. | |
| US3375215A (en) | Cellophane coating compositions comprising vinylidene chloride copolymer, candelillawax and stearate salt | |
| GB2353285A (en) | Cold sealable adhesive | |
| JP2009126924A (en) | Heat-sealing adhesive and heat-sealing lid material coated with the adhesive | |
| US4196247A (en) | Packaging material having non-blocking coating | |
| AU630838B2 (en) | Resealable packaging material | |
| US5843582A (en) | Heat sealable film | |
| WO2004048426A3 (en) | Functionalized styrol/olefin block copolymers | |
| JPS62939B2 (en) | ||
| JP2022180795A (en) | Adhesive composition, laminate having adhesive layer of adhesive composition, and re-sealable packaging material including the laminate | |
| JPS5947273A (en) | Adhesive for paper/aluminum foil |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |