CN113861849A - Powdery paper tube adhesive - Google Patents
Powdery paper tube adhesive Download PDFInfo
- Publication number
- CN113861849A CN113861849A CN202111158357.9A CN202111158357A CN113861849A CN 113861849 A CN113861849 A CN 113861849A CN 202111158357 A CN202111158357 A CN 202111158357A CN 113861849 A CN113861849 A CN 113861849A
- Authority
- CN
- China
- Prior art keywords
- paper tube
- agent
- normal temperature
- tube adhesive
- polyvinyl alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 49
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 49
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 26
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 26
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 25
- 239000002270 dispersing agent Substances 0.000 claims abstract description 25
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 24
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 23
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 23
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920000881 Modified starch Polymers 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000006136 alcoholysis reaction Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 4
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 4
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 4
- 125000005619 boric acid group Chemical group 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 27
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical group O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003860 storage Methods 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 81
- 238000003756 stirring Methods 0.000 description 34
- 239000000843 powder Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 4
- 229920002261 Corn starch Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000008120 corn starch Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 239000003674 animal food additive Substances 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- C09J1/00—Adhesives based on inorganic constituents
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Making Paper Articles (AREA)
Abstract
The invention discloses a powdery paper tube adhesive which is prepared from the following raw materials in parts by weight: 50-60% of kaolin, 20-25% of polyvinyl alcohol which can be dissolved at normal temperature, 7-15% of pregelatinized starch which can be gelatinized at normal temperature, 3-5% of defoaming agent, 3-5% of dispersing agent and 7-15% of cross-linking agent. The invention has simple production operation, low cost and stable storage, the product performance of the invention is almost the same as that of the existing paper tube glue, and the invention fundamentally solves the problem of formaldehyde residue of the products.
Description
Technical Field
The invention relates to the technical field of adhesives, in particular to a powdery paper tube adhesive.
Background
With the rapid development of economy in China, the demand of paper tubes in the fields of daily necessities, textiles, light industry, packaging, leather and the like is increasing. Such as paper tubes for pressure-sensitive adhesive tapes, paper tubes for toilet rolls, textile bobbins, composite packaging cans for food and beverage, rolls for plastic films, and paper tubes for mechanized production of rolls for silk, cloth, paper, leather, etc., require a large number of paper tubes and rolls. As an auxiliary material of the product, a paper tube and a winding drum thereof need to have a paper tube adhesive with excellent performance and high bonding strength so as to ensure the quality of the paper tube adhesive. The adhesive for paper tube is commonly called paper tube adhesive, etc. and is one kind of special adhesive for making various paper tubes, paper cans and other paper products. The paper, cloth, plastic film, metal foil and other soft materials are usually wound into bundles by paper tubes (paper tubes) to be made into paper tube core roll-shaped finished products. These paper rolls are generally made by rolling and gluing kraft paper or other paper-based machinery, and the adhesive used is called paper roll glue.
The conventional commonly used paper tube glue mainly comprises gelatin, gelatinized starch (including oxidized starch and modified starch), polyvinyl formal liquid (107) adhesive, polyvinyl acetate emulsion (white latex), PVA solution and the like. The common polyvinyl formal paper tube glue has uneven quality, the temperature, the pH value and the time of condensation reaction are difficult to control, formaldehyde has great harm to human bodies in the production and use processes, although a certain amount of formaldehyde neutralizer is added, inevitable residues still harm the health of paper tube glue production personnel and paper tube factory operators, a small amount of formaldehyde residues also exist in rolled paper tubes, potential harm is caused to the health of human bodies, the initial adhesion is low, and the compression strength and the creep resistance of the bonded paper tubes are poor.
The paper tube adhesive mainly used in the current market is prepared from the following raw materials in parts by weight: 75-80% of water; 10% -15% of kaolin; 4% -8% of polyvinyl alcohol soluble at 90 ℃; 1-3% of corn starch capable of being gelatinized at 80 ℃; 0.5 to 1 percent of boric acid; 0.1 percent of sodium hexametaphosphate; 0.5 to 1.5 percent of formaldehyde; 0.1 to 0.5 percent of hydrochloric acid; 0.1 to 0.3 percent of defoaming agent and the like. The paper tube adhesive finished product is in a water-based state, needs to be contained in a special packaging barrel, is higher in production cost and transportation cost, low in yield, and easily generates waste water in the manufacturing process, so that the environmental pollution is easily caused. Therefore, a new paper tube adhesive needs to be developed to meet the needs of people.
Disclosure of Invention
The invention aims to provide the powdery paper tube adhesive which is simple to produce and operate, low in cost and stable in storage, and radically solves the problem of formaldehyde residue of the products.
In order to achieve the above purpose, the solution of the invention is: a powdery paper tube adhesive is prepared from the following raw materials in parts by weight: 50-60% of kaolin, 20-25% of polyvinyl alcohol which can be dissolved at normal temperature, 7-15% of pregelatinized starch which can be gelatinized at normal temperature, 3-5% of defoaming agent, 3-5% of dispersing agent and 7-15% of cross-linking agent.
Further, the feed additive is prepared from the following raw materials in parts by weight: 51-58% of kaolin, 21-24% of polyvinyl alcohol which can be dissolved at normal temperature, 8-14% of pregelatinized starch which can be gelatinized at normal temperature, 3-5% of defoaming agent, 3-5% of dispersing agent and 8-14% of cross-linking agent.
Further, the feed additive is prepared from the following raw materials in parts by weight: 55% of kaolin, 23% of polyvinyl alcohol which can be dissolved at normal temperature, 11% of pregelatinized starch which can be gelatinized at normal temperature, 4% of defoaming agent, 4% of dispersing agent and 11% of cross-linking agent.
Further, the alcoholysis degree of the polyvinyl alcohol is 88%.
Further, the crosslinking agent is boric acid.
Further, the dispersing agent is sodium hexametaphosphate.
Further, the antifoaming agent is in a solid state.
The preparation method of the powdery paper tube adhesive comprises the following specific steps: and sequentially adding polyvinyl alcohol, pregelatinized starch, a defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product.
After the scheme is adopted, the gain effect of the invention is as follows:
the production process is simple, only one stirring tank is needed, the production equipment is simple, the cost is low, zero pollution and zero emission are realized, and the production cost can be greatly reduced. Compared with the existing water-based paper tube adhesive, the paper tube adhesive is powder-like, has small volume and small occupied area, and can greatly improve the transportation amount and reduce the transportation cost.
Detailed Description
The present invention will be described in detail with reference to specific examples.
The invention provides a powdery paper tube adhesive which is prepared from the following raw materials in parts by weight: 50-60% of kaolin, 20-25% of polyvinyl alcohol which can be dissolved at normal temperature, 7-15% of pregelatinized starch which can be gelatinized at normal temperature, 3-5% of defoaming agent, 3-5% of dispersing agent and 7-15% of cross-linking agent. In the scheme, the dispersing agent is sodium hexametaphosphate and the cross-linking agent is boric acid. The preparation method of the powdery paper tube adhesive comprises the following specific steps: and (3) sequentially adding polyvinyl alcohol with alcoholysis degree of 88%, pregelatinized starch, a solid defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank according to the weight ratio, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product.
When the paper tube glue is used by a user, 20% -25% of paper tube glue powder is added into a stirring tank, 75% -80% of water is added, and the same paper tube glue can be formed after stirring in the stirring tank for 30 minutes.
Example 1
A powdery paper tube adhesive is prepared from the following raw materials in parts by weight: 55% of kaolin, 23% of polyvinyl alcohol which can be dissolved at normal temperature, 11% of pregelatinized starch which can be gelatinized at normal temperature, 4% of defoaming agent, 4% of dispersing agent and 11% of cross-linking agent.
In this embodiment, the preparation method of the powder paper tube adhesive specifically includes the following steps: and (3) sequentially adding polyvinyl alcohol with alcoholysis degree of 88%, pregelatinized starch, a solid defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank according to the weight ratio, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product. When the paper tube glue powder is used by a user, 22% of paper tube glue powder is added into a stirring tank, 78% of water is added, and the same paper tube glue powder can be obtained after stirring in the stirring tank for 30 minutes.
Example 2
A powdery paper tube adhesive is prepared from the following raw materials in parts by weight: 50% of kaolin, 20% of polyvinyl alcohol which can be dissolved at normal temperature, 15% of pregelatinized starch which can be gelatinized at normal temperature, 3% of defoaming agent, 5% of dispersing agent and 7% of cross-linking agent.
In this embodiment, the preparation method of the powder paper tube adhesive specifically includes the following steps: and (3) sequentially adding polyvinyl alcohol with alcoholysis degree of 88%, pregelatinized starch, a solid defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank according to the weight ratio, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product. When the paper tube glue is used by a user, 20% of paper tube glue powder is added into a stirring tank, 80% of water is added, and the same paper tube glue can be obtained after stirring in the stirring tank for 30 minutes.
Example 3
A powdery paper tube adhesive is prepared from the following raw materials in parts by weight: 60% of kaolin, 25% of polyvinyl alcohol which can be dissolved at normal temperature, 13% of pregelatinized starch which can be gelatinized at normal temperature, 5% of defoaming agent, 4% of dispersing agent and 14% of cross-linking agent.
In this embodiment, the preparation method of the powder paper tube adhesive specifically includes the following steps: and (3) sequentially adding polyvinyl alcohol with alcoholysis degree of 88%, pregelatinized starch, a solid defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank according to the weight ratio, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product. When the paper tube glue is used by a user, 25% of paper tube glue powder is added into a stirring tank, 75% of water is added, and the same paper tube glue can be obtained after stirring in the stirring tank for 30 minutes.
Example 4
A powdery paper tube adhesive is prepared from the following raw materials in parts by weight: 51% of kaolin, 21% of polyvinyl alcohol which can be dissolved at normal temperature, 8% of pregelatinized starch which can be gelatinized at normal temperature, 3% of defoaming agent, 5% of dispersing agent and 8% of cross-linking agent.
In this embodiment, the preparation method of the powder paper tube adhesive specifically includes the following steps: and (3) sequentially adding polyvinyl alcohol with alcoholysis degree of 88%, pregelatinized starch, a solid defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank according to the weight ratio, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product. When the paper tube glue is used by a user, 20% of paper tube glue powder is added into a stirring tank, 80% of water is added, and the same paper tube glue can be obtained after stirring in the stirring tank for 30 minutes.
Example 5
A powdery paper tube adhesive is prepared from the following raw materials in parts by weight: 58% of kaolin, 24% of polyvinyl alcohol which can be dissolved at normal temperature, 14% of pregelatinized starch which can be gelatinized at normal temperature, 5% of defoaming agent, 3% of dispersing agent and 14% of cross-linking agent.
In this embodiment, the preparation method of the powder paper tube adhesive specifically includes the following steps: and (3) sequentially adding polyvinyl alcohol with alcoholysis degree of 88%, pregelatinized starch, a solid defoaming agent, a dispersing agent, a cross-linking agent and kaolin into a stirring tank according to the weight ratio, and keeping stirring for 20 minutes to obtain a powdery paper tube adhesive finished product. When the paper tube glue is used by a user, 25% of paper tube glue powder is added into a stirring tank, 75% of water is added, and the same paper tube glue can be obtained after stirring in the stirring tank for 30 minutes.
Comparative example
In the embodiment, the paper tube adhesive is prepared from the following raw materials in parts by weight: 75-80% of water, 10-15% of kaolin, 4-8% of polyvinyl alcohol soluble at 90 ℃, 1-3% of corn starch capable of being gelatinized at 80 ℃, 0.5-1% of cross-linking agent, 0.1% of dispersing agent, 0.5-1.5% of formaldehyde, 0.1-0.5% of hydrochloric acid and 0.1-0.3% of defoaming agent. The preparation method comprises the following specific steps: adding water, kaolin and a dispersing agent into a reaction kettle with a stirrer in sequence, and stirring for 30 minutes; adding a cross-linking agent boric acid and polyvinyl alcohol with alcoholysis degree of 99%, heating the reaction kettle to 90 ℃, and preserving heat for 30 minutes; adding hydrochloric acid and formaldehyde for reacting for 1 hour, adding corn starch, cooling to 50 ℃ and discharging to obtain a finished product of the paper tube glue, wherein the pH value of 10% alkaline liquid is 3-4.5.
Performance test
The paper pipe adhesives prepared in examples 1 to 5 of the present invention and comparative example were subjected to performance tests in accordance with JB/T25993 and GB//454, and the test results are shown in Table 1.
Table 1: paper tube adhesive performance test results
| Test items | Solids content/% | Compressive strength/MPa | viscosity/MPa.s | Creep resistance |
| Example 1 | 33.23 | 41.25 | 6200 | Is not deformed |
| Example 2 | 34.58 | 40.08 | 6120 | Is not deformed |
| Example 3 | 33.45 | 40.95 | 6150 | Is not deformed |
| Example 4 | 33.54 | 40.12 | 6120 | Is not deformed |
| Example 5 | 33.36 | 41.03 | 6200 | Is not deformed |
| Comparative example | 33.35 | 40.64 | 6180 | Is not deformed |
According to the data in the table, the compressive strength, viscosity and bonding strength of the powdery paper tube glue obtained by the invention are almost the same as those of the existing paper tube glue, but the production process is simple, the environment is not polluted, the product volume is small, the packaging and transportation are simple, the production cost can be greatly reduced, and the powdery paper tube glue is suitable for large-scale industrial production and has wide application prospect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the design of the present invention, and all equivalent changes made in the design key point of the present invention fall within the protection scope of the present invention.
Claims (7)
1. The powdery paper tube adhesive is characterized by being prepared from the following raw materials in parts by weight: 50-60% of kaolin, 20-25% of polyvinyl alcohol which can be dissolved at normal temperature, 7-15% of pregelatinized starch which can be gelatinized at normal temperature, 3-5% of defoaming agent, 3-5% of dispersing agent and 7-15% of cross-linking agent.
2. The powdery paper tube adhesive as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 51-58% of kaolin, 21-24% of polyvinyl alcohol which can be dissolved at normal temperature, 8-14% of pregelatinized starch which can be gelatinized at normal temperature, 3-5% of defoaming agent, 3-5% of dispersing agent and 8-14% of cross-linking agent.
3. The powdery paper tube adhesive as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 55% of kaolin, 23% of polyvinyl alcohol which can be dissolved at normal temperature, 11% of pregelatinized starch which can be gelatinized at normal temperature, 4% of defoaming agent, 4% of dispersing agent and 11% of cross-linking agent.
4. The powdered paper tube adhesive according to any one of claims 1 to 3, wherein the alcoholysis degree of the polyvinyl alcohol is 88%.
5. The powdered paper tube adhesive according to any one of claims 1 to 3, wherein the crosslinking agent is boric acid.
6. The powdered paper tube adhesive according to any one of claims 1 to 3, wherein the dispersant is sodium hexametaphosphate.
7. The powdery paper tube adhesive according to any one of claims 1 to 3, wherein the defoaming agent is in a solid form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158357.9A CN113861849A (en) | 2021-09-30 | 2021-09-30 | Powdery paper tube adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111158357.9A CN113861849A (en) | 2021-09-30 | 2021-09-30 | Powdery paper tube adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113861849A true CN113861849A (en) | 2021-12-31 |
Family
ID=79000952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111158357.9A Pending CN113861849A (en) | 2021-09-30 | 2021-09-30 | Powdery paper tube adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113861849A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115776A (en) * | 1994-07-26 | 1996-01-31 | 许绍聪 | High-performance dry-powder adhesive for paper case |
| CN106833439A (en) * | 2017-03-14 | 2017-06-13 | 武汉市华林粘合剂有限公司 | A kind of environmentally friendly paper tube adhesive and preparation method thereof |
-
2021
- 2021-09-30 CN CN202111158357.9A patent/CN113861849A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115776A (en) * | 1994-07-26 | 1996-01-31 | 许绍聪 | High-performance dry-powder adhesive for paper case |
| CN106833439A (en) * | 2017-03-14 | 2017-06-13 | 武汉市华林粘合剂有限公司 | A kind of environmentally friendly paper tube adhesive and preparation method thereof |
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Application publication date: 20211231 |
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