CN110746910A - Fast-adhesion water-resistant environment-friendly label adhesive and preparation method thereof - Google Patents
Fast-adhesion water-resistant environment-friendly label adhesive and preparation method thereof Download PDFInfo
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- CN110746910A CN110746910A CN201911067444.6A CN201911067444A CN110746910A CN 110746910 A CN110746910 A CN 110746910A CN 201911067444 A CN201911067444 A CN 201911067444A CN 110746910 A CN110746910 A CN 110746910A
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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
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
-
- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
-
- 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
- C08K3/16—Halogen-containing compounds
- C08K2003/168—Zinc halides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a fast-adhesion waterproof environment-friendly label adhesive and a preparation method thereof, belonging to the technical field of high polymer material adhesives, and the adhesive is prepared from the following raw materials in parts by weight: 850 parts of 750-weight water, 450 parts of alkali-soluble acrylate emulsion 350-weight, 2-4 parts of emulsified silicone oil, 25-50 parts of starch, 60-100 parts of sodium abietate, 200 parts of urea 150-weight, 5-10 parts of cross-linking agent, 1-4 parts of Kathon, 30-50 parts of petroleum resin emulsion and 5-20 parts of ammonia water. The label adhesive disclosed by the invention is not easy to mildew, the influence of temperature on the label adhesive viscosity is small, the label adhesive has better viscosity and faster curing and drying performance, and the label adhesive has the advantages of wide applicability, low consumption, low cost, easiness in alkali washing and the like.
Description
Technical Field
The invention relates to the technical field of high polymer material adhesives, in particular to a quick-bonding waterproof environment-friendly label adhesive and a preparation method thereof.
Background
The main function of the label adhesive is to adhere the label to the surface of a glass, plastic, metal container or other product, which requires the label to be compatible with the product to which it is being adhered. The myriad combinations of adhesives, label materials, and applied products present various challenges to the development of adhesives.
For adhesives, the aqueous pressureless adhesives are still the largest share, mainly due to the large number of wet glue labels used on high speed filling lines for cans and bottles. The re-wettable adhesive is suitable for use in the production of adhesive-coated label paper, which is also the original form of labeling. Such adhesives are typically formulated from polymeric materials such as casein, starch and dextrin, which are tacky when dissolved or dispersed in water and produce a strong bond as the water evaporates or penetrates into the label sheet. Such adhesives can accommodate condensation, temperature fluctuations, refrigeration, and other end markets. The adhesive has low cost, but has the defects of low bonding strength, easy mildew, poor water resistance, unsuitability for refrigerator storage and the like.
There is a great concern worldwide over the recycling of packaging containers, which has also prompted bottling plants to actively develop water washing techniques to ensure that the adhesive and label can be thoroughly washed from the recovered bottle. Current research includes finding products with superior performance in replacement of the standard, maintaining higher generation natural casein resin binders even in humid environments. However, the cost of casein adhesives is always high, which is not favorable for controlling the production cost of beer.
At present, the use of higher "strength" polymeric resins instead of casein-containing binders has become a focus of current research. For example, polyvinyl alcohol composite modified adhesives, polyvinyl formal adhesives, and polyvinyl alcohol/acrylic acid monomer graft adhesives are low in cost, but water resistance and adhesive strength are difficult to meet.
Disclosure of Invention
The invention provides a fast-adhesion waterproof environment-friendly label adhesive and a preparation method thereof, which solve the problem that the water resistance and the adhesion strength of the conventional high polymer material adhesive are difficult to meet the requirements.
In order to solve the technical problem, the technical scheme of the invention is realized as follows:
the invention provides a quick-bonding waterproof environment-friendly label adhesive which is prepared from the following raw materials in parts by weight: 850 parts of 750-weight water, 450 parts of alkali-soluble acrylate emulsion 350-weight, 2-4 parts of emulsified silicone oil, 25-50 parts of starch, 60-100 parts of sodium abietate, 200 parts of urea 150-weight, 5-10 parts of cross-linking agent, 1-4 parts of Kathon, 30-50 parts of petroleum resin emulsion and 5-20 parts of ammonia water.
Preferably, the quick-bonding waterproof environment-friendly label adhesive is prepared from the following raw materials in parts by weight: 780-820 parts of water, 380-420 parts of alkali-soluble acrylate emulsion, 2-4 parts of emulsified silicone oil, 35-45 parts of starch, 70-90 parts of sodium abietate, 180 parts of urea, 6-8 parts of cross-linking agent, 2-3 parts of Kathon, 35-45 parts of petroleum resin emulsion and 5-20 parts of ammonia water.
Wherein, preferably, the cross-linking agent is one or more of zinc chloride, zinc acetate, zinc oxide and diisocyanate.
Among them, it is preferable that the alkali-soluble acrylate emulsion has a molecular weight of 2000-5000.
The invention also provides a preparation method of the fast-adhesion waterproof environment-friendly label adhesive, which comprises the following steps:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding a proper amount of ammonia water to adjust the pH value to 6 +/-0.5, then heating to 70-80 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) sequentially adding the cross-linking agent, the kasong and the petroleum resin emulsion under uniform stirring, and continuously stirring for reaction for 2 hours;
(4) adjusting the pH value to 7 +/-0.5 by using a proper amount of ammonia water;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
The invention has the beneficial effects that:
according to the quick-bonding waterproof environment-friendly label adhesive, the alkali-soluble acrylate emulsion is emulsified by emulsified silicone oil and sodium abietate, and then added with urea to increase the fluidity, so that the plasticity of the adhesive is enhanced, and a certain waterproof effect is achieved. After the alkali soluble acrylate emulsion is emulsified, the alkali soluble acrylate emulsion and the petroleum resin emulsion are subjected to crosslinking reaction with a crosslinking agent and a water-resistant agent to generate better water resistance and stronger bonding property.
The label adhesive disclosed by the invention is not easy to mildew, the influence of temperature on the label adhesive viscosity is small, the label adhesive has better viscosity and faster curing and drying performance, and the label adhesive has the advantages of wide applicability, low consumption, low cost, easiness in alkali washing and the like.
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 1
The embodiment provides a fast-adhesion waterproof environment-friendly label adhesive which is prepared from the following raw materials in parts by weight: 800 parts of water, 400 parts of alkali-soluble acrylate emulsion with the molecular weight of 2000-plus 5000, 3 parts of emulsified silicone oil, 35 parts of starch, 80 parts of sodium abietate, 170 parts of urea, 8 parts of zinc chloride, 2 parts of Kathon, 40 parts of petroleum resin emulsion and 12 parts of ammonia water.
The embodiment also provides a preparation method of the fast-adhesion waterproof environment-friendly label adhesive, which comprises the following steps:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding 5 parts of ammonia water to adjust the pH value to 6.2, then heating to 75 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) sequentially adding zinc chloride, the kasong and the petroleum resin emulsion under uniform stirring, and continuously stirring for reaction for 2 hours;
(4) then 7 parts of ammonia water is used for adjusting the pH value to 7.1;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
Example 2
The embodiment provides a fast-adhesion waterproof environment-friendly label adhesive which is prepared from the following raw materials in parts by weight: 750 parts of water, 450 parts of alkali-soluble acrylate emulsion with the molecular weight of 2000-plus 5000, 2 parts of emulsified silicone oil, 50 parts of starch, 60 parts of sodium abietate, 200 parts of urea, 5 parts of zinc acetate, 4 parts of karson, 30 parts of petroleum resin emulsion and 20 parts of ammonia water.
The embodiment also provides a preparation method of the fast-adhesion waterproof environment-friendly label adhesive, which comprises the following steps:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding 8 parts of ammonia water to adjust the pH value to 6.0, then heating to 70 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) sequentially adding zinc acetate, kasong and petroleum resin emulsion under uniform stirring, and continuously stirring for reaction for 2 hours;
(4) then adjusting the pH value to 7.0 by using 12 parts of ammonia water;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
| Inspection item | Standard of merit | Measured in fact |
| Viscosity (27 ℃ C.), mPa.s | 30000-100000 | 70000 |
| Solid content (105 ℃ C.), m/m | 15-45 | 29.8 |
| pH value | 6-8 | 7.0 |
| The bonding speed (30 ℃) is less than or equal to S | 30 | 12 |
| Cold water resistance test (0-4 ℃), h is not less than | 72 | ≥240 |
| Normal temperature water resistance test (20-25 ℃), h | According to different production requirements | ≥240 |
| Elution property (80 +/-5 ℃, 2 percent NaOH solution) and S is less than or equal to | 400 | 70 |
Example 3
The embodiment provides a fast-adhesion waterproof environment-friendly label adhesive which is prepared from the following raw materials in parts by weight: 850 parts of water, 350 parts of alkali-soluble acrylate emulsion with the molecular weight of 2000-plus 5000, 4 parts of emulsified silicone oil, 25 parts of starch, 100 parts of sodium abietate, 150 parts of urea, 10 parts of zinc oxide, 1 part of Kathon, 50 parts of petroleum resin emulsion and 5 parts of ammonia water.
The embodiment also provides a preparation method of the fast-adhesion waterproof environment-friendly label adhesive, which comprises the following steps:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding 2 parts of ammonia water to adjust the pH value to 6.5, then heating to 80 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) sequentially adding zinc oxide, kasong and petroleum resin emulsion under uniform stirring, and continuously stirring for reaction for 2 hours;
(4) then 3 parts of ammonia water is used for adjusting the pH value to 7.5;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
| Inspection item | Standard of merit | Measured in fact |
| Viscosity (27 ℃ C.), mPa.s | 30000-100000 | 72000 |
| Solid content (105 ℃ C.), m/m | 15-45 | 32.8 |
| pH value | 6-8 | 7.5 |
| The bonding speed (30 ℃) is less than or equal to S | 30 | 9 |
| Cold water resistance test (0-4 ℃), h is not less than | 72 | ≥240 |
| Normal temperature water resistance test (20-25 ℃), h | According to different production requirements | ≥240 |
| Elution property (80 +/-5 ℃, 2 percent NaOH solution) and S is less than or equal to | 400 | 65 |
Example 4
The embodiment provides a fast-adhesion waterproof environment-friendly label adhesive which is prepared from the following raw materials in parts by weight:
780 parts of water, 420 parts of alkali-soluble acrylate emulsion, 2 parts of emulsified silicone oil, 45 parts of starch, 70 parts of sodium abietate, 180 parts of urea, 3 parts of zinc oxide, 3 parts of Kathon, 35 parts of petroleum resin emulsion and 20 parts of ammonia water.
The embodiment also provides a preparation method of the fast-adhesion waterproof environment-friendly label adhesive, which comprises the following steps:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding 12 parts of ammonia water to adjust the pH value to 6.1, then heating to 75 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) sequentially adding zinc oxide, kasong and petroleum resin emulsion under uniform stirring, and continuously stirring for reaction for 2 hours;
(4) then 8 parts of ammonia water is used for adjusting the pH value to 7.1;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
| Inspection item | Standard of merit | Measured in fact |
| Viscosity (27 ℃ C.), mPa.s | 30000-100000 | 68000 |
| Solid content (105 ℃ C.), m/m | 15-45 | 309 |
| pH value | 6-8 | 7.1 |
| The bonding speed (30 ℃) is less than or equal to S | 30 | 12 |
| Cold water resistance test (0-4 ℃), h is not less than | 72 | ≥240 |
| Normal temperature water resistance test (20-25 ℃), h | According to different production requirements | ≥240 |
| Elution property (80 +/-5 ℃, 2 percent NaOH solution) and S is less than or equal to | 400 | 75 |
Example 5
The embodiment provides a fast-adhesion waterproof environment-friendly label adhesive which is prepared from the following raw materials in parts by weight: 20 parts of water, 380 parts of alkali-soluble acrylate emulsion, 4 parts of emulsified silicone oil, 35 parts of starch, 90 parts of sodium abietate, 160 parts of urea, 8 parts of diisocyanate, 2 parts of kason, 45 parts of petroleum resin emulsion and 5 parts of ammonia water.
The embodiment also provides a preparation method of the fast-adhesion waterproof environment-friendly label adhesive, which comprises the following steps:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding 3 parts of ammonia water to adjust the pH value to 6.4, then heating to 75 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) under the condition of uniform stirring, sequentially adding diisocyanate, carbazone and petroleum resin emulsion, and continuously stirring for reacting for 2 hours;
(4) then 3 parts of ammonia water is used for adjusting the pH value to 7.4;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
| Inspection item | Standard of merit | Measured in fact |
| Viscosity (27 ℃ C.), mPa.s | 30000-100000 | 70500 |
| Solid content (105 ℃ C.), m/m | 15-45 | 33.1 |
| pH value | 6-8 | 7.4 |
| The bonding speed (30 ℃) is less than or equal to S | 30 | 8 |
| Cold water resistance test (0-4 ℃), h is not less than | 72 | ≥240 |
| Normal temperature water resistance test (20-25 ℃), h | According to different production requirements | ≥240 |
| Elution property (80 +/-5 ℃, 2 percent NaOH solution) and S is less than or equal to | 400 | 50 |
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A quick-bonding waterproof environment-friendly label adhesive is characterized by being prepared from the following raw materials in parts by weight: 850 parts of 750-weight water, 450 parts of alkali-soluble acrylate emulsion 350-weight, 2-4 parts of emulsified silicone oil, 25-50 parts of starch, 60-100 parts of sodium abietate, 200 parts of urea 150-weight, 5-10 parts of cross-linking agent, 1-4 parts of Kathon, 30-50 parts of petroleum resin emulsion and 5-20 parts of ammonia water.
2. The quick-bonding waterproof environment-friendly label adhesive as claimed in claim 1, which is characterized by being prepared from the following raw materials in parts by weight: 780-820 parts of water, 380-420 parts of alkali-soluble acrylate emulsion, 2-4 parts of emulsified silicone oil, 35-45 parts of starch, 70-90 parts of sodium abietate, 180 parts of urea, 6-8 parts of cross-linking agent, 2-3 parts of Kathon, 35-45 parts of petroleum resin emulsion and 5-20 parts of ammonia water.
3. The quick-stick, water-resistant and environment-friendly label adhesive as claimed in claim 1, wherein: the cross-linking agent is one or more of zinc chloride, zinc acetate, zinc oxide and diisocyanate.
4. The quick-stick, water-resistant and environment-friendly label adhesive as claimed in claim 1, wherein: the molecular weight of the alkali soluble acrylate emulsion was 2000-5000.
5. A method for preparing the quick-stick water-resistant environment-friendly label adhesive according to any one of claims 1 to 4, characterized by comprising the steps of:
(1) adding water into a reaction kettle, then sequentially adding alkali-soluble acrylate emulsion, emulsified silicone oil, starch and sodium abietate, stirring at a constant speed, then adding a proper amount of ammonia water to adjust the pH value to 6 +/-0.5, then heating to 70-80 ℃, carrying out heat preservation reaction for 1 hour, then adding urea, and then cooling to below 50 ℃;
(2) sequentially adding the cross-linking agent, the kasong and the petroleum resin emulsion under uniform stirring, and continuously stirring for reaction for 2 hours;
(4) adjusting the pH value to 7 +/-0.5 by using a proper amount of ammonia water;
(5) and filtering and discharging after qualified inspection according to requirements to obtain the product.
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| CN201911067444.6A CN110746910B (en) | 2019-11-04 | 2019-11-04 | Fast-adhesion water-resistant environment-friendly label adhesive and preparation method thereof |
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| CN201911067444.6A CN110746910B (en) | 2019-11-04 | 2019-11-04 | Fast-adhesion water-resistant environment-friendly label adhesive and preparation method thereof |
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| CN110746910A true CN110746910A (en) | 2020-02-04 |
| CN110746910B CN110746910B (en) | 2021-05-07 |
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Inventor after: Cai Yonghong Inventor after: Chen Baoyuan Inventor after: Chen Lijia Inventor after: Wang Lili Inventor after: Li Jianwei Inventor after: Zhuang Yuwei Inventor before: Chen Baoyuan Inventor before: Chen Lijia Inventor before: Cai Yonghong Inventor before: Wang Lili Inventor before: Li Jianwei Inventor before: Zhuang Yuwei |
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Effective date of registration: 20210420 Address after: 450000 No. 199, 10 building, Henan new science and technology market, No. 199 Yang Jin Road, Jinshui District, Zhengzhou, Henan Applicant after: HENAN ZHONGBAO TECHNOLOGY Co.,Ltd. Applicant after: HIGH & NEW TECHNOLOGY RESEARCH CENTER, HENAN ACADEMY OF SCIENCES Applicant after: Henan chenzhihao New Material Technology Co.,Ltd. Address before: 450000 No. 199, 10 building, Henan new science and technology market, No. 199 Yang Jin Road, Jinshui District, Zhengzhou, Henan Applicant before: HENAN ZHONGBAO TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230412 Address after: 450000 Room 401, building 10, Henan new technology market, 199 Yangjin Road, Jinshui District, Zhengzhou City, Henan Province Patentee after: HENAN ZHONGBAO TECHNOLOGY Co.,Ltd. Address before: 450000 Room 401, building 10, Henan new technology market, 199 Yangjin Road, Jinshui District, Zhengzhou City, Henan Province Patentee before: HENAN ZHONGBAO TECHNOLOGY Co.,Ltd. Patentee before: HIGH & NEW TECHNOLOGY RESEARCH CENTER, HENAN ACADEMY OF SCIENCES Patentee before: Henan chenzhihao New Material Technology Co.,Ltd. |
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