CN112831296B - Glue for bonding glass and metal and preparation method thereof - Google Patents
Glue for bonding glass and metal and preparation method thereof Download PDFInfo
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- CN112831296B CN112831296B CN202110029173.6A CN202110029173A CN112831296B CN 112831296 B CN112831296 B CN 112831296B CN 202110029173 A CN202110029173 A CN 202110029173A CN 112831296 B CN112831296 B CN 112831296B
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- bonding glass
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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
- C09J11/06—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
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides glue for bonding glass and metal and a preparation method thereof. According to the invention, the hydroxyl modified acrylic resin is taken as a main body, the polyester resin is taken as an auxiliary, the tackifying resin is added at the same time, and the isocyanate-enclosed curing agent is combined for reaction, so that the prepared glue solves the defect that the existing glue in the industry is easy to yellow under the thermal transfer process condition, improves the product integrity, the material application range, the initial viscosity, the adhesion resistance and the like, and has potential application value in the thermal transfer industry.
Description
Technical Field
The invention relates to the field of chemical industry, in particular to heat transfer glue, and more particularly relates to glue for bonding glass and metal and a preparation method thereof.
Background
At present, the method adopted by the appearance marks of glass and partial metal materials is mainly laminating and pasting, and the product (integrity) is not ideal.
The related industries adopt a heat transfer process, namely, patterns of products are thermally transferred on glass and metal materials, the appearance effect integrity of the products is well shown, and the tolerance of the products is greatly improved.
In view of the defects in the field of use of products, the requirements of related industries and the using amount of the products, the glue for the heat transfer process is specially developed, is suitable for glass and metal materials, is stable in the heat transfer processing process, does not generate yellowing, and improves the water resistance and alcohol resistance.
Disclosure of Invention
Aiming at the background of the prior art, the invention provides the glue which can be used for bonding glass and metal in the heat transfer printing technology and the preparation method thereof, can solve the problems of instability, easy yellowing, narrow application range and the like of the existing glue for the heat transfer technology in the processing process, improves the firmness, water resistance and alcohol resistance of the glue and a product, and has better initial adhesion and anti-adhesion, thereby having potential popularization value in the field.
In order to achieve the above purpose, the invention is realized by the following technical means:
the invention provides glue for bonding glass and metal, which consists of main resin, auxiliary resin, a dissolving medium and a functional auxiliary agent.
Preferably, the main resin is a hydroxy acrylic modified resin, the auxiliary resin is a polyester resin and a tackifying resin, and the dissolving medium is a benzene solvent.
As a preferable scheme, the functional auxiliary agent is an isocyanate blocked curing agent, a silane coupling agent, an adhesion promoter and a defoaming agent.
As a preferred scheme, the glue comprises the following components in percentage by weight: according to the weight portion, the coating comprises 35-60 portions of hydroxy acrylic acid modified resin, 12-20 portions of saturated polyester resin, 8-30 portions of benzene solvent, 3-5 portions of silane coupling agent, 4-6 portions of isocyanate enclosed curing agent, 4-10 portions of tackifying resin, 4-8 portions of adhesion promoter and 0.2-0.8 portion of defoaming agent.
Preferably, the hydroxy acrylic acid modified resin is one of E-10 modified hydroxy acrylic acid resin AC1171 and ACR 6624.
As a preferable mode, the polyester resin is saturated polyester resin, and the saturated polyester resin is saturated polyester resin GW-8075 purchased from gaoqi new material.
Preferably, the tackifying resin is one of dammar, rosin and terpene, and the benzene solvent is one of xylene and diphenyl ether.
Preferably, the silane coupling agent is one of vinyltriethoxysilane, vinyltrimethoxysilane and vinyltris (beta-methoxyethoxy) silane.
As a preferred embodiment, the isocyanate-blocked curing agent is one or more of N3390, N3375, N100 and IL1451, and the adhesion promoter is one of EP2310, EP2325 and EP 2440.
As a preferable scheme, the defoaming agent is a modified silicone defoaming agent, and the silicone defoaming agent is one of synde-137C and synde-137 purchased from new materials of Zhuhai goddess.
The invention provides a preparation method of glue for bonding glass and metal, which at least comprises the following steps: weighing the materials according to the parts by weight, sequentially adding the materials into a stirring tank under the conditions of normal temperature and normal pressure, and uniformly dispersing by using a stirrer to obtain the glue.
As a preferable scheme, the stirring speed is 300-1000 rpm, and the stirring time is 10-50 minutes.
Has the beneficial effects that:
(1) According to the proportion, the glue which can be used for bonding glass and metal can be prepared, the glue takes hydroxyl modified acrylic resin as a main body, takes saturated polyester resin as an auxiliary body, and is combined with isocyanate enclosed curing agent for reaction, so that the problems of easy yellowing, poor firmness and narrow material application range of the glue can be solved, and the resistance and the anti-sticking performance of the glue can be improved;
(2) And adding tackifying resin as auxiliary resin to improve the initial viscosity of the glue.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definition provided in the present disclosure, the definition of the term provided in the present disclosure controls.
As used herein, a feature that is not limited to a single plural form is also intended to include plural forms of the feature unless the context clearly indicates otherwise. It is also understood that the term "consisting of" 8230, "prepared" is synonymous with "comprising," comprises, "including," "has," "contains," and/or "containing," as used herein, when used in this specification means the recited composition, step, method, article, or device, but does not preclude the presence or addition of one or more other compositions, steps, methods, articles, or devices. Furthermore, the use of "preferred," "preferably," "more preferred," and the like, when describing embodiments of the present invention, is intended to refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. In addition, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
In order to achieve the above purpose, the invention provides a glue for bonding glass and metal, which is composed of a main resin, an auxiliary resin, a dissolving medium and a functional auxiliary agent.
The main resin is hydroxyl modified acrylic resin, the auxiliary resin is saturated polyester resin, and the hydroxyl modified acrylic resin has the advantages of quick drying, good transparency, good gloss and color retention and the like, and has good adhesive force, gloss, hardness and weather resistance, but has the defects of high minimum film forming temperature, poor film forming property and flexibility, and hot-sticking and cold-brittleness. The polyester resin has good adhesive force, excellent flexibility and weather resistance, and the glue with good firmness and good flexibility can be prepared by compounding the polyester resin and combining the advantages of the polyester resin and the polyester resin, and the formed glue layer can not generate the phenomena of hot sticking and cold brittleness.
In some preferred embodiments, the functional auxiliary agent is an isocyanate-blocked curing agent, a silane coupling agent, an adhesion promoter, a defoaming agent.
In some preferred embodiments, the glue comprises the following components: according to the weight portion, the coating comprises 35-60 portions of hydroxy acrylic acid modified resin, 12-20 portions of saturated polyester resin, 8-30 portions of benzene solvent, 3-5 portions of silane coupling agent, 4-6 portions of isocyanate enclosed curing agent, 4-10 portions of tackifying resin, 4-8 portions of adhesion promoter and 0.2-0.8 portion of defoaming agent.
In some preferred embodiments, the hydroxy acrylic modified resin is one of E-10 modified hydroxy acrylic resins AC1171, ACR6688, ACR 6624.
In some preferred embodiments, the polyester resin is a saturated polyester resin, which is a saturated polyester resin GW-8075 purchased from gazetty new materials.
In order to increase the initial viscosity of the glue, a tackifying resin is added, in some preferred embodiments, the tackifying resin is one of dammar, rosin and terpene, and the tackifying resin wets the bonding surface through surface diffusion or internal diffusion so as to improve the bonding strength of the bonding surface and the material, thereby improving the initial viscosity of the glue.
In some preferred embodiments, the benzene-based solvent is xylene.
In addition, in order to ensure that the adhesive force between the glue and the product is more excellent and the integrity of the product is ensured, the silane coupling agent is added to play a role in further tackifying, and the silane coupling agent contains two groups: a group can be bonded to the bonded backbone material; and the other group can be combined with a high polymer material or an adhesive, so that a chemical bond with higher strength is formed on an adhesive interface, and the adhesive strength is greatly improved. In some preferred embodiments, the silane coupling agent is one of vinyltriethoxysilane, vinyltrimethoxysilane, vinyltris (beta-methoxyethoxy) silane,
in some preferred embodiments, the isocyanate-blocked curing agent is one or a mixture of N3390, N3375, N100 and IL1451, which can stably coexist with active group (hydroxyl, carboxyl, amine, epoxy, etc.) containing resin for a long time at normal temperature as a cross-linking agent, and after the solvent is volatilized, the latent curing agent releases-NCO groups after the heat treatment of the coating film and reacts with the hydroxyl, carboxyl, amino, etc. groups on the molecular chain of the resin to form cross-linking, so that the adhesion and color stability of polyester and acrylic resin can be significantly improved.
In some preferred embodiments, the adhesion promoter is one of EP2310, EP2325 and EP 2440, and promotes the adhesion of the formed glue, so that the adhesion strength with the substrate such as glass, metal and the like can be high.
In some preferred embodiments, the silicone defoamer is one of synde-137C and synde-137
The invention provides a preparation method of glue for bonding glass and metal, which at least comprises the following steps: weighing the materials according to the parts by weight, sequentially adding the materials into a stirring tank under the conditions of normal temperature and normal pressure, and uniformly dispersing by using a stirrer to obtain the glue. Setting stirring parameters of 300-1000 rpm and stirring for 10-50 min.
The glue which can be used for bonding glass and metal can be prepared by the preparation method, the normal use in a heat transfer process can be realized, the fastness, the yellowing resistance and the material application range can be improved, and the glue also has better water resistance, alcohol resistance, initial viscosity and anti-sticking property.
Examples
The present invention will be specifically described below by way of examples. It is to be noted that the following examples are only intended to illustrate the present invention and should not be construed as limiting the scope of the present invention.
Example 1
The first aspect of embodiment 1 provides a glue for bonding glass and metal, which is composed of the following raw materials in parts by weight: e-10 modified hydroxy acrylic resin AC 11737 parts, saturated polyester resin GW-807520 parts, xylene 15 parts, vinyl triethoxysilane 5 parts, N3390 curing agent 4.5 parts, rosin 10 parts, EP2310 adhesion promoter 8 parts, synde-137C defoamer 0.5 parts.
A second aspect of example 1 provides a method for preparing a glue for bonding glass and metal, comprising at least the following steps: weighing the materials according to the proportion, sequentially adding the materials into a stirring tank under the conditions of normal temperature and normal pressure, and uniformly dispersing the materials by stirring at the stirring speed of 500 revolutions per minute for 40 minutes to obtain the glue.
Example 2
The first aspect of embodiment 2 provides a glue for bonding glass and metal, which is composed of the following raw materials by weight: modified hydroxy acrylic resin ACR6624 parts, saturated polyester resin GW-807515 parts, xylene 20 parts, vinyl trimethoxy silane 4 parts, N3375 curing agent 5.5 parts, dama 6 parts, EP2325 adhesion promoter 4 parts, synde-137 defoamer 0.5 part.
The second aspect of the embodiment 2 provides a method for preparing glue for bonding glass and metal, which at least comprises the following steps: weighing the materials according to the weight parts according to the proportion, sequentially adding the materials into a stirring tank under the conditions of normal temperature and normal pressure, and uniformly dispersing the materials by stirring for 35 minutes at the stirring speed of 800 revolutions per minute to obtain the glue.
Example 3
The first aspect of embodiment 3 provides a glue for bonding glass and metal, which is composed of the following raw materials by weight: modified hydroxy acrylic resin ACR6688 parts, saturated polyester resin GW-807512 parts, xylene 10 parts, vinyl tri (beta-methoxyethoxy) silane 3.5 parts, N100 curing agent 5 parts, terpene 7 parts, EP2310 adhesion promoter 4 parts, synde-137C defoamer 0.5 parts.
A second aspect of example 3 provides a method for preparing a glue for bonding glass and metal, comprising at least the following steps: weighing the materials according to the weight parts according to the proportion, sequentially adding the materials into a stirring tank under the conditions of normal temperature and normal pressure, and uniformly dispersing the materials by stirring at the stirring speed of 1000 revolutions per minute for 25 minutes to obtain the glue.
Comparative example 1
A glue which can be used for bonding glass and metal and a preparation method thereof are provided similarly to the example 1, but the main resin in the raw materials of the glue is changed from E-10 modified hydroxy acrylic resin AC1171 to bisphenol A type epoxy resin.
Comparative example 2
A glue that can be used for glass, metal bonding and a method for its preparation are provided similarly to example 1, but the raw materials of the glue do not include N3390 curing agent.
Comparative example 3
Example 1 similarly provides a glue which can be used for bonding glass and metal and a preparation method thereof, but the raw material of the glue does not comprise rosin.
To further illustrate the beneficial effects of the examples of the present invention, the performance of the glue prepared in examples 1-3 and comparative examples 1-3 was characterized by the effect of hot rolling on metal and glass, and the results are shown in table 1.
TABLE 1 results of the Performance test of examples 1 to 3 and comparative examples 1 to 3
| Item | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Adhesion (B) | 5B | 5B | 5B | 5B | 4B | 4B |
| Yellowing resistance | Does not turn yellow | Does not turn yellow | Does not turn yellow | Slight yellowing | Slight yellowing | Does not turn yellow |
| Initial tack | Superior food | Superior food | Superior food | Youyou (an instant noodle) | Good wine | Good wine |
| Blocking resistance | Superior food | Superior food | Youyou (an instant noodle) | Good quality | Superior food | Youyou (an instant noodle) |
| Water and alcohol resistance | Does not change color | Does not change color | Does not change color | Slightly change color | Does not change color | Does not change color |
As can be seen from table 1, the heat transfer printing glue disclosed in the embodiment of the present invention has more excellent yellowing resistance, firmness, water and alcohol resistance, low viscosity, and anti-adhesion, and a wider application range of the material, and the key point is the selection and matching ratio of the main resin, the auxiliary resin, the main functional auxiliary material, and the auxiliary agent, and the effect generated by the combined action of the components.
It should be clear that the application of the present invention is not limited to the glue and the method for its preparation described above, but that modifications and variations are possible to those skilled in the art in light of the above teachings, all of which are intended to fall within the scope of the appended claims.
As the chemical industry is a continuously innovated and improved industry, raw material suppliers continuously adjust and improve the production process of raw materials, and better raw materials of the same type can replace corresponding components in the formula of the invention, such as main resin, functional auxiliary materials and the like. If the formula provided by the invention is referred, a competitor cannot be avoided producing similar ink products with similar or better performance, but the selection of the main resin, the functional auxiliary materials, the collocation of the components and the like do not depart from the proportioning scope of the invention.
Claims (4)
1. The glue capable of being used for bonding glass and metal is characterized by comprising main resin, auxiliary resin, a dissolving medium and a functional auxiliary agent;
the main resin is hydroxy acrylic acid modified resin, the auxiliary resin is polyester resin and tackifying resin, and the dissolving medium is benzene solvent;
the functional auxiliary agent is isocyanate-enclosed curing agent, silane coupling agent, adhesion promoter and defoaming agent;
the glue comprises the following components in percentage by weight: according to parts by weight, the coating comprises 35-60 parts of hydroxy acrylic acid modified resin, 12-20 parts of polyester resin, 8-30 parts of benzene solvent, 3-5 parts of silane coupling agent, 4-6 parts of isocyanate enclosed curing agent, 4-10 parts of tackifying resin, 4-8 parts of adhesion promoter and 0.2-0.8 part of defoaming agent; the hydroxy acrylic acid modified resin is one of E-10 modified hydroxy acrylic acid resin AC1171 and hydroxy acrylic acid resin ACR 6624; the polyester resin is a saturated polyester resin; the silane coupling agent is one of vinyl triethoxysilane, vinyl trimethoxysilane and vinyl tri (beta-methoxyethoxy) silane; the adhesion promoter is one of EP2310, EP2325 and EP 2440.
2. The glue for bonding glass and metal according to claim 1, wherein the tackifying resin is one of dammar, rosin and terpene, and the benzene solvent is one of xylene and diphenyl ether.
3. The glue used for bonding glass and metal according to claim 1, wherein the isocyanate-blocked curing agent is one or more of a mixture of N3390, N3375, N100 and IL1451, and the defoaming agent is a modified silicone defoaming agent.
4. A method for preparing glue for bonding glass and metal according to any one of claims 1 to 3, characterized by comprising at least the following steps: weighing the materials according to the weight parts, sequentially adding the materials into a stirring tank under the conditions of normal temperature and normal pressure, and uniformly dispersing by using a stirrer, wherein the stirring parameters are set to be 300-1000 revolutions per minute, and stirring for 10-50 minutes to obtain the glue.
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| CN202110029173.6A CN112831296B (en) | 2021-01-11 | 2021-01-11 | Glue for bonding glass and metal and preparation method thereof |
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| CN202110029173.6A CN112831296B (en) | 2021-01-11 | 2021-01-11 | Glue for bonding glass and metal and preparation method thereof |
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| CN112831296B true CN112831296B (en) | 2023-02-03 |
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| CN116160734A (en) * | 2022-08-10 | 2023-05-26 | 强徽新型建材有限公司 | Honeycomb aluminum veneer and forming process thereof |
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