CN111995968B - Hot melt adhesive for laminating decorative film paper and preparation method thereof - Google Patents
Hot melt adhesive for laminating decorative film paper and preparation method thereof Download PDFInfo
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- CN111995968B CN111995968B CN202010759738.1A CN202010759738A CN111995968B CN 111995968 B CN111995968 B CN 111995968B CN 202010759738 A CN202010759738 A CN 202010759738A CN 111995968 B CN111995968 B CN 111995968B
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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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- 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
-
- 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
- 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
- C09J145/00—Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Adhesives based on derivatives of such polymers
-
- 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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a hot melt adhesive for laminating decorative film paper, which comprises the following components in parts by weight: 18-30 parts of first EVA (ethylene-vinyl acetate), 5-30 parts of second EVA, 7-15 parts of third EVA, 30-40 parts of tackifying resin, 2-5 parts of maleic anhydride grafted polypropylene, 10-15 parts of diluent and 0.5-1 part of antioxidant; the VA content of the first EVA is 28%, the MI value is 155g/10min, the VA content of the second EVA is 19%, the MI value is 395-405g/10min, and the VA content of the third EVA is 28% and the MI value is 5-8g/10 min. The hot melt adhesive has good initial adhesion, good adhesive property, high heat resistance and short opening time when being used for compounding decorative film paper, and reduces the drying process.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to an environment-friendly hot melt adhesive for composite bonding of decorative film paper.
Background
The hot melt adhesive is a plastic adhesive without solvent, is in a solid state at normal temperature, is convenient to transport and store, has high production efficiency, can be quickly cured after being heated and melted to form effective bonding, and is widely applied to various industries.
In the paper compounding industry, some enterprises use water-based glue or solvent glue, the water-based glue or the solvent glue is coated on a substrate and then compounded with decorative film paper, and the decorative film paper is dried by a drying tunnel and then rolled, so that the problems of low production efficiency and environmental pollution are solved.
Disclosure of Invention
The invention aims to overcome the technical problem of low production efficiency caused by using water-based glue or solvent glue during compounding of decorative film paper in the prior art, and provides the environment-friendly hot melt adhesive which has good initial adhesion, good bonding performance, high heat resistance and short opening time when used for compounding the decorative film paper, and reduces the drying process.
In order to achieve the purpose, the invention adopts the following technical scheme:
the hot melt adhesive for compounding the decorative film paper comprises the following components in parts by weight:
18-30 parts of first EVA
5-30 parts of second EVA
7-15 parts of third EVA
30-40 parts of tackifying resin
2-5 parts of maleic anhydride grafted polypropylene
10-15 parts of diluent
0.5-1 part of antioxidant;
the VA content of the first EVA is 28%, the MI value is 155g/10min, the VA content of the second EVA is 19%, the MI value is 395-405g/10min, and the VA content of the third EVA is 28% and the MI value is 5-8g/10 min.
Furthermore, the tackifying resin is formed by mixing one or more than two of terpene resin, C9 petroleum resin, rosin modified resin and hydrogenated petroleum resin.
Further, the diluent is one or a mixture of more than two of paraffin, polyethylene wax and Fischer-Tropsch wax.
Furthermore, the antioxidant is one or a mixture of two of AT-168 and antioxidant 1010.
Preferably, the hot melt adhesive for compounding the decorative film paper comprises the following components in parts by weight:
25-30 parts of first EVA
10-20 parts of second EVA
7-10 parts of third EVA
37-40 parts of tackifying resin
2-3 parts of maleic anhydride grafted polypropylene
10-15 parts of diluent
0.5-1 part of antioxidant;
the VA content of the first EVA is 28%, the MI value of the first EVA is 150g/10min, the VA content of the second EVA is 19%, the MI value of the second EVA is 400g/10min, and the VA content of the third EVA is 28%, and the MI value of the third EVA is 6g/10 min.
Preferably, the hot melt adhesive for compounding the decorative film paper comprises the following components in parts by weight:
30 portions of first EVA
10 portions of second EVA
Third EVA 7 part
40 parts of tackifying resin
Maleic anhydride grafted polypropylene 2 parts
10 portions of diluent
And 1 part of antioxidant.
The invention also provides a preparation method of the hot melt adhesive for laminating the decorative film paper, which comprises the following steps:
mixing: the raw materials with the formula ratio are put into a mixing roll to be mixed, heated to 130 ℃ and 170 ℃, and uniformly stirred to form a colloid mixture;
screw extrusion: putting the colloid mixture into a screw extruder for extrusion, wherein the screw extrusion conditions are that the water temperature of a gun barrel is 95-100 ℃, the extrusion amount is 400kg/h, and the temperature of a die head is 130 ℃;
underwater pelletizing: and extruding the mixture through a die head, and then granulating in water to form hot melt rubber granules.
And (3) cooling: the hot melt adhesive granules are cooled in cold water and solidified into small round granules.
And (3) dehydration and drying: and (3) air-drying and dehydrating the cooled hot-melt adhesive particles for 30 min.
Compared with the prior art, the invention has the beneficial effects that:
on the premise of ensuring the bonding performance and the heat resistance, EVA with different VA contents and different MI values is matched with tackifying resin and diluent to serve as main raw materials of the product, so that the hot melt adhesive with good initial viscosity, good bonding performance, high heat resistance and short opening time is prepared, when the hot melt adhesive is used for compounding decorative film paper, the hot melt adhesive is melted by a glue melting device, then the melted hot melt adhesive is coated on a base material by a roller coater and then compounded with the decorative film, the hot melt adhesive can be wound immediately, drying through a drying tunnel is not needed, the production process of compounding the decorative film paper is reduced, and the production efficiency is improved for enterprises; moreover, the hot melt adhesive is an environment-friendly hot melt adhesive, is pollution-free when used, and solves the problem of environmental protection.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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 obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the illustrated orientations or positional relationships for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
The terms "first," "second," and the like in the description and in the claims of the present application and in the foregoing description, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The hot melt adhesive for compounding the decorative film paper comprises the following components in parts by weight:
18-30 parts of first EVA
5-30 parts of second EVA
7-15 parts of third EVA
30-40 parts of tackifying resin
2-5 parts of maleic anhydride grafted polypropylene
10-15 parts of diluent
0.5-1 part of antioxidant;
the VA content of the first EVA is 28%, the MI value is 155g/10min, the VA content of the second EVA is 19%, the MI value is 395-405g/10min, and the VA content of the third EVA is 28% and the MI value is 5-8g/10 min.
Furthermore, the tackifying resin is formed by mixing one or more than two of terpene resin, C9 petroleum resin, rosin modified resin and hydrogenated petroleum resin.
Further, the diluent is one or a mixture of more than two of paraffin, polyethylene wax and Fischer-Tropsch wax.
Furthermore, the antioxidant is one or a mixture of two of AT-168 and antioxidant 1010.
As a preferred scheme of the invention, the hot melt adhesive for laminating the decorative film paper comprises the following components in parts by weight:
25-30 parts of first EVA
10-20 parts of second EVA
7-10 parts of third EVA
37-40 parts of tackifying resin
2-3 parts of maleic anhydride grafted polypropylene
10-15 parts of diluent
0.5-1 part of antioxidant;
the VA content of the first EVA is 28%, the MI value of the first EVA is 150g/10min, the VA content of the second EVA is 19%, the MI value of the second EVA is 400g/10min, and the VA content of the third EVA is 28%, and the MI value of the third EVA is 6g/10 min.
As a more preferable scheme of the invention, the hot melt adhesive for laminating the decorative film paper comprises the following components in parts by weight:
30 portions of first EVA
10 portions of second EVA
Third EVA 7 part
40 parts of tackifying resin
Maleic anhydride grafted polypropylene 2 parts
10 portions of diluent
And 1 part of antioxidant.
The invention also provides a preparation method of the hot melt adhesive for laminating the decorative film paper, which comprises the following steps:
mixing: the raw materials with the formula ratio are put into a mixing roll to be mixed, heated to 130 ℃ and 170 ℃, and uniformly stirred to form a colloid mixture;
screw extrusion: putting the colloid mixture into a screw extruder for extrusion, wherein the screw extrusion conditions are that the water temperature of a gun barrel is 95-100 ℃, the extrusion amount is 400kg/h, and the temperature of a die head is 130 ℃;
underwater pelletizing: and extruding the mixture through a die head, and then granulating in water to form hot melt rubber granules.
And (3) cooling: the hot melt adhesive granules are cooled in cold water and solidified into small round granules.
And (3) dehydration and drying: and (3) air-drying and dehydrating the cooled hot-melt adhesive particles for 30 min.
Formula of hot melt adhesive for compounding decorative film paper
TABLE 1 formula of hot melt adhesive for laminating decorative film and paper
In the embodiment of the formula table, the first EVA material with VA content of 28% and MI value of 150g/10min is adopted as the first EVA, the second EVA material with VA content of 19% and MI value of 400g/10min is adopted as the second EVA, and the EVA material with VA content of 28% and MI value of 6g/10min is adopted as the third EVA.
In the examples of the above formulation table, the tackifying resin of example 1 was a terpene resin, the tackifying resin of example 2 was a C9 petroleum resin, the tackifying resin of example 3 was a hydrogenated petroleum resin, the tackifying resin of example 4 was a mixture of 10 parts of a terpene resin and 28 parts of a hydrogenated petroleum resin, the tackifying resin of example 5 was a mixture of 10 parts of a terpene resin, 10 parts of a C9 petroleum resin and 20 parts of a hydrogenated petroleum resin, the tackifying resin of example 6 was a mixture of 10 parts of a C9 petroleum resin and 29 parts of a C9 petroleum resin, the tackifying resin of example 7 was a mixture of 10 parts of a terpene resin, 7 parts of a C9 petroleum resin and 20 parts of a hydrogenated petroleum resin, and the tackifying resin of example 8 was a mixture of 10 parts of a terpene resin, 10 parts of a C9 petroleum resin and 10 parts of a hydrogenated petroleum resin.
In the examples of the above formula table, the diluent of example 1 is paraffin wax, the diluent of example 2 is polyethylene wax, the diluent of example 3 is Fischer-Tropsch wax, the diluent of example 4 is a mixture of 5 parts of paraffin wax and 5 parts of polyethylene wax, example 5 is polyethylene wax, example 6 is a mixture of 5 parts of polyethylene wax and 7 parts of Fischer-Tropsch wax, example 7 is a mixture of 5 parts of paraffin wax, 5 parts of polyethylene wax and 5 parts of Fischer-Tropsch wax, and example 8 is a mixture of 4 parts of paraffin wax, 5 parts of polyethylene wax and 4 parts of Fischer-Tropsch wax.
In the examples of the above formula tables, the antioxidants, AT-168 and 1010, were all antioxidants, in a ratio of 1: 1, and mixing.
(II) preparation method
The hot melt adhesive for compounding the decorative film and the paper in the embodiment of the formula table is prepared by the following method:
mixing: the raw materials with the formula ratio are put into a mixing roll to be mixed, heated to 130 ℃ and 170 ℃, and uniformly stirred to form a colloid mixture;
screw extrusion: putting the colloid mixture into a screw extruder for extrusion, wherein the screw extrusion conditions are that the water temperature of a gun barrel is 95-100 ℃, the extrusion amount is 400kg/h, and the temperature of a die head is 130 ℃;
underwater pelletizing: and extruding the mixture through a die head, and then granulating in water to form hot melt rubber granules.
And (3) cooling: the hot melt adhesive granules are cooled in cold water and solidified into small round granules.
And (3) dehydration and drying: and (3) air-drying and dehydrating the cooled hot-melt adhesive particles for 30 min.
(III) testing of Properties
(1) Opening time: and (3) after the hot melt adhesive is melted in the oven, testing the opening time of the hot melt adhesive by adopting a paper strip testing method.
(2) The adhesive property is as follows: the prepared decorative film paper sample was cut into 1-inch wide strips and subjected to a tensile test.
(3) Heat resistance: the decorative film paper sample was cut into 1-inch wide strips, a weight of 8g was placed on the paper on one side, and the paper was placed in an oven to conduct heat resistance tests at different temperatures, starting from 50 ℃ and rising at 2 ℃ per hour.
The results of the above three performance tests of examples 1 to 8 are as follows:
table 2 results of performance testing of examples 1 to 8:
from the results of the performance tests of the above examples, it is understood that the heat resistance can be 70 ℃ or higher, wherein, with the best of example 5, example 5 is significantly superior to the other examples in terms of the open time, the adhesive properties and the heat resistance.
Comparative example (IV)
TABLE 1 formulation of the comparative example
In the above comparative examples, the first EVA, the second EVA, and the third EVA used in comparative examples 1 to 5 were the same as in example 5, and the tackifying resin, the diluent, the antioxidant, and the example 5 used in comparative examples 1 to 6 were the same.
In the above comparative examples, the first EVA used in comparative example 6 was an EVA material having a VA content of 28% and an MI of 25g/10min, the second EVA material was an EVA material having a VA content of 19% and an MI of 150g/10min, and the third EVA material was an EVA material having a VA content of 28% and an MI of 400g/10 min.
Results of performance testing of comparative examples:
the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and is not intended to limit the present invention to the particular embodiments disclosed, so that all equivalents and modifications that do not depart from the spirit of the present invention are deemed to fall within the scope of the present invention.
Claims (2)
1. The hot melt adhesive for compounding the decorative film paper is characterized by comprising the following components in parts by weight:
30 portions of first EVA
10 portions of second EVA
Third EVA 7 part
40 parts of tackifying resin
Maleic anhydride grafted polypropylene 2 parts
15 portions of diluent
1 part of an antioxidant;
the first EVA is made of an EVA material with the VA content of 28% and the MI value of 150g/10min, the second EVA is made of an EVA material with the VA content of 19% and the MI value of 400g/10min, and the third EVA is made of an EVA material with the VA content of 28% and the MI value of 6g/10 min;
the tackifying resin is a mixture of 10 parts of terpene resin, 10 parts of C9 petroleum resin and 20 parts of hydrogenated petroleum resin;
the diluent is polyethylene wax;
the antioxidant is antioxidant AT-168 and antioxidant 1010, and the weight ratio of the antioxidant to the antioxidant is 1: 1, and mixing.
2. The preparation method of the hot melt adhesive for laminating the decorative film paper as claimed in claim 1, which is characterized by comprising the following steps:
mixing: the raw materials with the formula ratio are put into a mixing roll to be mixed, heated to 130 ℃ and 170 ℃, and uniformly stirred to form a colloid mixture;
screw extrusion: putting the colloid mixture into a screw extruder for extrusion, wherein the screw extrusion conditions are that the water temperature of a gun barrel is 95-100 ℃, the extrusion amount is 400kg/h, and the temperature of a die head is 130 ℃;
underwater pelletizing: extruding the mixture through a die head, and then granulating in water to form hot melt adhesive particles;
and (3) cooling: cooling the hot melt adhesive particles in cold water, and solidifying the hot melt adhesive particles into small round particles;
and (3) dehydration and drying: and (3) air-drying and dehydrating the cooled hot-melt adhesive particles for 30 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759738.1A CN111995968B (en) | 2020-07-31 | 2020-07-31 | Hot melt adhesive for laminating decorative film paper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759738.1A CN111995968B (en) | 2020-07-31 | 2020-07-31 | Hot melt adhesive for laminating decorative film paper and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111995968A CN111995968A (en) | 2020-11-27 |
| CN111995968B true CN111995968B (en) | 2021-10-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108269A (en) * | 2009-12-24 | 2011-06-29 | 上海理日化工新材料有限公司 | Ethylene-vinylacetate copolymer resin hot melt adhesive with high melting point, fast curing and low viscosity |
| CN103773279A (en) * | 2013-10-31 | 2014-05-07 | 广州德渊精细化工有限公司 | Hot melt adhesive |
| CN105111971A (en) * | 2015-10-16 | 2015-12-02 | 浙江金海环境技术股份有限公司 | Compound type EVA (ethylene vinyl acetate copolymer) hot glue and preparation method thereof |
| CN108395854A (en) * | 2017-10-19 | 2018-08-14 | 朱俊帆 | A kind of hot fusible adhesive for package |
| CN111394019A (en) * | 2020-04-30 | 2020-07-10 | 上海路嘉胶粘剂有限公司 | EVA hot melt adhesive and preparation process and application thereof |
-
2020
- 2020-07-31 CN CN202010759738.1A patent/CN111995968B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108269A (en) * | 2009-12-24 | 2011-06-29 | 上海理日化工新材料有限公司 | Ethylene-vinylacetate copolymer resin hot melt adhesive with high melting point, fast curing and low viscosity |
| CN103773279A (en) * | 2013-10-31 | 2014-05-07 | 广州德渊精细化工有限公司 | Hot melt adhesive |
| CN105111971A (en) * | 2015-10-16 | 2015-12-02 | 浙江金海环境技术股份有限公司 | Compound type EVA (ethylene vinyl acetate copolymer) hot glue and preparation method thereof |
| CN108395854A (en) * | 2017-10-19 | 2018-08-14 | 朱俊帆 | A kind of hot fusible adhesive for package |
| CN111394019A (en) * | 2020-04-30 | 2020-07-10 | 上海路嘉胶粘剂有限公司 | EVA hot melt adhesive and preparation process and application thereof |
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