CN111087954A - Water-based high-temperature-resistant adhesive - Google Patents
Water-based high-temperature-resistant adhesive Download PDFInfo
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- CN111087954A CN111087954A CN201811240670.5A CN201811240670A CN111087954A CN 111087954 A CN111087954 A CN 111087954A CN 201811240670 A CN201811240670 A CN 201811240670A CN 111087954 A CN111087954 A CN 111087954A
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- water
- ethyl alcohol
- resistant adhesive
- absolute ethyl
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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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a water-based high-temperature-resistant adhesive and a preparation method thereof, and the water-based high-temperature-resistant adhesive comprises the following raw materials in parts by weight: 5-10 parts of water-soluble starch, 5-10 parts of alginate, 30-40 parts of water-based epoxy resin, 10-20 parts of vinyl acetate-ethylene copolymer emulsion, 5-10 parts of water-based terpene resin emulsion, 10-20 parts of methacrylate, 10-20 parts of acrylic acid, 20-30 parts of absolute ethyl alcohol, 10-20 parts of polyoxyethylene castor oil, 20-60 parts of deionized water, 3-8 parts of nano silicon dioxide, 3-8 parts of organic amine, 5-10 parts of a cross-linking agent and 2-6 parts of an initiator. The water-based high-temperature-resistant adhesive disclosed by the invention is high in bonding strength and high in drying speed. The invention also provides a method for preparing the water-based high-temperature-resistant adhesive, which is novel, reasonable in raw material proportion and easier to control in the synthesis process.
Description
Technical Field
The invention relates to the technical field of adhesive production, in particular to a water-based high-temperature-resistant adhesive.
Technical Field
The adhesive is a technology for connecting the surfaces of homogeneous or heterogeneous objects together by using the adhesive, and has the characteristics of continuous stress distribution, light weight, low process temperature and the like. The glue joint is particularly suitable for connecting different materials, different thicknesses, ultrathin specifications and complex components. The adhesive joint is the fastest in recent development and has wide application industry. The adhesives are classified into thermosetting type, hot melt type, room temperature curing type, pressure sensitive type and the like according to application methods; according to the application object, the glue is divided into structural type, non-structural type or special glue; the grafting form can be divided into water-soluble type, water-emulsion type, solvent type and various solid types; about 50% of the aqueous adhesive is composed of water, so that the aqueous adhesive is pollution-free and low in price, can meet the requirements of the adhesive in the aspects of performance, price and environmental protection, and has advantages in the aspects of technology, economy and social benefits, so that the aqueous adhesive becomes one of the key points of the industrial research of the adhesive in the world.
The adhesive is widely applied to the field of food flexible packaging, along with the continuous development of the packaging industry, the performance required by people for composite packaging is higher and higher, and the composite packaging has the advantages of barrier property, freezing property, acid and alkali resistance, oil and salt resistance, water boiling resistance, high temperature boiling resistance and the like. At present, solvent-based adhesives can meet the requirements of most of performances, and water-based adhesives and solvent-free adhesives can meet the requirements of some medium-low functional products, but the solvent-based adhesives are not environment-friendly and unsafe. Therefore, it is a hot spot to improve some properties of the aqueous adhesive.
Disclosure of Invention
Based on the above, the invention aims to provide a water-based high-temperature-resistant adhesive to effectively overcome the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the water-based high-temperature-resistant adhesive comprises the following raw materials in parts by weight: 5-10 parts of water-soluble starch, 5-10 parts of alginate, 30-40 parts of water-based epoxy resin, 10-20 parts of vinyl acetate-ethylene copolymer emulsion, 5-10 parts of water-based terpene resin emulsion, 10-20 parts of methacrylate, 10-20 parts of acrylic acid, 20-30 parts of absolute ethyl alcohol, 10-20 parts of polyoxyethylene castor oil, 20-60 parts of deionized water, 3-8 parts of nano silicon dioxide, 3-8 parts of organic amine, 5-10 parts of cross-linking agent and 2-6 parts of initiator; the solid content of the water-based terpene resin emulsion is 40-50%, and the solid content of the vinyl acetate-ethylene copolymer emulsion is 50-60%.
Compared with the prior art, the water-based adhesive disclosed by the invention adopts degradable starch and alginate, is mutually dissolved and emulsified with acrylic resin, and then modifies the added epoxy resin, so that the adhesive is higher in adhesive strength and high in drying speed. In addition, by reasonably proportioning the vinyl acetate-ethylene copolymer emulsion and the water-based terpene resin emulsion, reasonable curing content is obtained, the excellent performance of the resin is fully exerted, and the high-temperature resistance of the adhesive can be effectively improved by adding the nano silicon dioxide.
Further, the organic amine is triethylamine or cyclohexylamine, and the organic amine can enhance the stability of the adhesive.
Further, the cross-linking agent is benzoyl peroxide or urotropin.
Further, the initiator is ammonium persulfate solution.
The invention also provides a preparation method of the water-based high-temperature-resistant adhesive, which comprises the following steps:
(1) dividing the absolute ethyl alcohol into 2 parts, namely absolute ethyl alcohol a and absolute ethyl alcohol b, wherein the weight ratio of the absolute ethyl alcohol a to the absolute ethyl alcohol b is 1:1.5-2 for later use;
(2) dissolving starch and alginate in deionized water, then adding absolute ethyl alcohol b, and stirring until the starch and the alginate are completely dissolved; obtaining reaction liquid A;
(3) sequentially adding methacrylate and acrylic acid into the reaction liquid A obtained in the step (2), stirring until the methacrylate and the acrylic acid are completely dissolved, adding polyoxyethylene castor oil and an initiator, heating to 50-60 ℃, keeping the temperature unchanged, dropwise adding waterborne epoxy resin, controlling the dropwise adding within 40-60 minutes, and stirring for reacting for 1-2 hours after the dropwise adding is finished; cooling to obtain reaction liquid B;
(4) adding vinyl acetate-ethylene copolymer emulsion and aqueous terpene resin emulsion into absolute ethyl alcohol a, and stirring and dissolving to obtain reaction liquid C;
(5) and mixing the reaction liquid B with the reaction liquid C, sequentially adding nano silicon dioxide, a cross-linking agent and organic amine, and uniformly stirring to obtain the water-based high-temperature-resistant adhesive.
Compared with the prior art, in the preparation method of the water-based high-temperature-resistant adhesive, the absolute ethyl alcohol a is used for diluting the water-based terpene resin and the vinyl acetate-ethylene copolymer emulsion to be mutually soluble with a system, the absolute ethyl alcohol b is a cosolvent of the acrylic resin on one hand, and can be used for adjusting the solid content of the whole adhesive and improving the drying speed on the other hand, and the weight ratio of the absolute ethyl alcohol b to the acrylic resin is 1:1.5-2, so that the function can be better played, and various performances and the drying speed of the adhesive can be improved. The preparation method of the water-based high-temperature-resistant adhesive is novel, the raw material proportion is reasonable, and the synthesis process is easier to control.
For a better understanding and practice, the present invention is described in detail below.
Detailed Description
The technical solution of the present invention will be described in detail with reference to specific embodiments. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
The invention provides a water-based high-temperature-resistant adhesive which comprises the following raw materials in parts by weight: 5-10 parts of water-soluble starch, 5-10 parts of alginate, 30-40 parts of water-based epoxy resin, 10-20 parts of vinyl acetate-ethylene copolymer emulsion, 5-10 parts of water-based terpene resin emulsion, 10-20 parts of methacrylate, 10-20 parts of acrylic acid, 20-30 parts of absolute ethyl alcohol, 10-20 parts of polyoxyethylene castor oil, 20-60 parts of deionized water, 3-8 parts of nano silicon dioxide, 3-8 parts of organic amine, 5-10 parts of cross-linking agent and 2-6 parts of initiator; the solid content of the water-based terpene resin emulsion is 40-50%, and the solid content of the vinyl acetate-ethylene copolymer emulsion is 50-60%.
Preferably, the organic amine is triethylamine or cyclohexylamine, and the organic amine can enhance the stability of the adhesive.
Preferably, the cross-linking agent is benzoyl peroxide or urotropin.
Preferably, the initiator is ammonium persulfate solution.
The preparation method is illustrated by specific examples
The vinyl acetate-ethylene copolymer emulsion is produced by the Beijing Oriental petrochemical industry and has the model of VAE707
The aqueous terpene resin emulsion was purchased from Guangzhou Songbao chemical Co., Ltd, and the model was SB 8218.
Table 1 shows the components and parts by weight of examples 1 to 3
Table 2 examples 1-3 ingredients solids content
| Composition (I) | Example 1 | Example 2 | Example 3 |
| Vinyl acetate-ethylene copolymer emulsion | 50 | 60 | 55 |
| Aqueous terpene resin emulsion | 45 | 50 | 40 |
The preparation method of the aqueous high temperature resistant adhesive of examples 1-3 comprises the following steps:
(1) dividing the absolute ethyl alcohol into 2 parts, namely absolute ethyl alcohol a and absolute ethyl alcohol b, wherein the weight ratio of the absolute ethyl alcohol a to the absolute ethyl alcohol b is 1:1.5-2 for later use;
(2) dissolving starch and alginate in deionized water, then adding absolute ethyl alcohol b, and stirring until the starch and the alginate are completely dissolved; obtaining reaction liquid A;
(3) sequentially adding methacrylate and acrylic acid into the reaction liquid A obtained in the step (2), stirring until the methacrylate and the acrylic acid are completely dissolved, adding polyoxyethylene castor oil and an initiator, heating to 50-60 ℃, keeping the temperature unchanged, dropwise adding waterborne epoxy resin, controlling the dropwise adding within 40-60 minutes, and stirring for reacting for 1-2 hours after the dropwise adding is finished; cooling to obtain reaction liquid B;
(4) adding vinyl acetate-ethylene copolymer emulsion and aqueous terpene resin emulsion into absolute ethyl alcohol a, and stirring and dissolving to obtain reaction liquid C;
(5) and mixing the reaction liquid B with the reaction liquid C, sequentially adding nano silicon dioxide, a cross-linking agent and organic amine, and uniformly stirring to obtain the water-based high-temperature-resistant adhesive.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the structure of the present invention, and it should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. The water-based high-temperature-resistant adhesive is characterized by comprising the following raw materials in parts by weight: 5-10 parts of water-soluble starch, 5-10 parts of alginate, 30-40 parts of water-based epoxy resin, 10-20 parts of vinyl acetate-ethylene copolymer emulsion, 5-10 parts of water-based terpene resin emulsion, 10-20 parts of methacrylate, 10-20 parts of acrylic acid, 20-30 parts of absolute ethyl alcohol, 10-20 parts of polyoxyethylene castor oil, 20-60 parts of deionized water, 3-8 parts of nano silicon dioxide, 3-8 parts of organic amine, 5-10 parts of cross-linking agent and 2-6 parts of initiator; the solid content of the water-based terpene resin emulsion is 40-50%, and the solid content of the vinyl acetate-ethylene copolymer emulsion is 50-60%.
2. The aqueous high-temperature-resistant adhesive according to claim 1, wherein the organic amine is triethylamine or cyclohexylamine.
3. The aqueous high temperature resistant adhesive according to claim 1, wherein the cross-linking agent is benzoyl peroxide or urotropin.
4. The aqueous high temperature resistant adhesive according to claim 1, wherein the initiator is ammonium persulfate solution.
5. A method for preparing the aqueous high temperature resistant adhesive according to claim 1, comprising the steps of:
(1) dividing the absolute ethyl alcohol into 2 parts, namely absolute ethyl alcohol a and absolute ethyl alcohol b, wherein the weight ratio of the absolute ethyl alcohol a to the absolute ethyl alcohol b is 1:1.5-2 for later use;
(2) dissolving starch and alginate in deionized water, then adding absolute ethyl alcohol b, and stirring until the starch and the alginate are completely dissolved; obtaining reaction liquid A;
(3) sequentially adding methacrylate and acrylic acid into the reaction liquid A obtained in the step (2), stirring until the methacrylate and the acrylic acid are completely dissolved, adding polyoxyethylene castor oil and an initiator, heating to 50-60 ℃, keeping the temperature unchanged, dropwise adding waterborne epoxy resin, controlling the dropwise adding within 40-60 minutes, and stirring for reacting for 1-2 hours after the dropwise adding is finished; cooling to obtain reaction liquid B;
(4) adding vinyl acetate-ethylene copolymer emulsion and aqueous terpene resin emulsion into absolute ethyl alcohol a, and stirring and dissolving to obtain reaction liquid C;
(5) and mixing the reaction liquid B with the reaction liquid C, sequentially adding nano silicon dioxide, a cross-linking agent and organic amine, and uniformly stirring to obtain the water-based high-temperature-resistant adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240670.5A CN111087954A (en) | 2018-10-24 | 2018-10-24 | Water-based high-temperature-resistant adhesive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240670.5A CN111087954A (en) | 2018-10-24 | 2018-10-24 | Water-based high-temperature-resistant adhesive |
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| Publication Number | Publication Date |
|---|---|
| CN111087954A true CN111087954A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811240670.5A Pending CN111087954A (en) | 2018-10-24 | 2018-10-24 | Water-based high-temperature-resistant adhesive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109552A (en) * | 2021-08-10 | 2022-09-27 | 上海启梦胶粘制品有限公司 | Anticorrosive high-temperature-resistant adhesive sticker material and application thereof |
-
2018
- 2018-10-24 CN CN201811240670.5A patent/CN111087954A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109552A (en) * | 2021-08-10 | 2022-09-27 | 上海启梦胶粘制品有限公司 | Anticorrosive high-temperature-resistant adhesive sticker material and application thereof |
| CN115109552B (en) * | 2021-08-10 | 2024-04-09 | 上海启梦胶粘制品有限公司 | Corrosion-resistant high-temperature-resistant self-adhesive material and application thereof |
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Application publication date: 20200501 |