CN115449303A - Double-component acrylate adhesive - Google Patents
Double-component acrylate adhesive Download PDFInfo
- Publication number
- CN115449303A CN115449303A CN202211132354.2A CN202211132354A CN115449303A CN 115449303 A CN115449303 A CN 115449303A CN 202211132354 A CN202211132354 A CN 202211132354A CN 115449303 A CN115449303 A CN 115449303A
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- CN
- China
- Prior art keywords
- component
- acrylate adhesive
- acrylate
- resin
- percent
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Classifications
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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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
- 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
Abstract
The invention discloses a bi-component acrylate adhesive, which comprises a component A and a component B, wherein the component B comprises the following raw materials in percentage by mass: 20 to 50 percent of peroxide, 40 to 80 percent of plasticizer, 5 to 10 percent of flexibilizer and 0.2 to 5 percent of pigment. The technical effect is that whether the curing is complete and the proportion of the component A and the component B is proper can be judged through the change of the color.
Description
Technical Field
The invention belongs to the field of acrylate adhesives, and particularly relates to a two-component acrylate adhesive.
Background
In 1975, duPont company invented the so-called second-generation acrylate adhesive containing methyl methacrylate and chlorosulfonated polyethylene as main components, which has been widely used because of its advantages of fast curing, easy use, wide range of adhesive materials, good comprehensive mechanical properties, etc.
More and more acrylate adhesives are packaged by using a rubber cylinder, and AB components are packaged in two cylinders of the rubber cylinder respectively, so that the acrylate adhesives are extruded out after being uniformly mixed by a glue gun through a static mixing pipe during use, the acrylate adhesives are convenient to use, and troubles and errors of field weighing are avoided.
Chinese patent publication No. CN 110205081A discloses an acrylate double-component adhesive, which comprises a component A and a component B, wherein the component A comprises the following components: 40-65% of acrylate monomer, 20-40% of modified polyurethane acrylate, 4-10% of methacrylic acid, 10-15% of high-temperature-resistant filler, 0.9-1.8% of accelerator and 0.1-0.2% of stabilizer; the component B is as follows: 20-45% of epoxy resin, 10-20% of tackifying resin, 10-25% of plasticizer, 30-40% of benzoyl peroxide and 5-10% of filler; the volume ratio of the component A to the component B is 10: 1. The acrylate two-component adhesive contains modified polyurethane acrylate resin, and rigid functional groups and methacrylate functional groups provided by hydrogenated bisphenol A can increase the curing and drawing strength and the impact resistance. However, the A and B components can not be completely cured in the curing process, and the proportion of the A and B components is proper.
Disclosure of Invention
The invention aims to provide a two-component acrylate adhesive which has the advantages that whether the curing is complete or not and whether the proportion of the component A and the component B is proper or not can be judged through the change of color.
The technical purpose of the invention is realized by the following technical scheme:
the bi-component acrylate adhesive comprises a component A and a component B, wherein the component B comprises the following raw materials in percentage by mass: 20 to 50 percent of peroxide, 40 to 80 percent of plasticizer, 5 to 10 percent of flexibilizer and 0.2 to 5 percent of pigment.
Further preferably, the component A comprises the following raw materials in percentage by mass: 55-80% of acrylate monomer, 20-35% of toughening resin, 0.5-5% of reducing agent and 0.01-2% of stabilizing agent.
Further preferably, the volume ratio of the component A to the component B is 10: 1.
More preferably, the peroxide is benzoyl peroxide or cumene hydroperoxide.
More preferably, the plasticizer is a benzoate plasticizer.
Further preferably, the toughening agent is MBS resin.
Further preferably, the pigment comprises a mixture of cobalt blue and ultramarine.
More preferably, the acrylate monomer comprises methyl methacrylate, methacrylic acid and a mixture of more than two multifunctional acrylate monomers; the toughened resin comprises a mixture of two or more of chloroprene rubber, ABS resin, SBS resin and MBS resin; the stabilizer comprises hydroquinone, naphthoquinone and sodium salt of EDTA; the reducing agent comprises N, N-dimethylaniline, N-dimethyl-p-toluidine and N-butyraldehyde aniline condensate.
More preferably, the multifunctional acrylate monomer is an acrylate monomer containing two or more methacrylate double bonds at the end of the molecular main chain.
A preparation method of a bi-component acrylate adhesive at least comprises the following steps:
s1: uniformly mixing an acrylate monomer and a stabilizer to reach a stable state;
s2: after stabilization, adding the toughening resin and the reducing agent in sequence, and stirring for dissolving;
s3: pumping the dissolved mixed solution to vacuum, and defoaming to obtain a component A;
s4: mixing the plasticizer and the toughening agent, and heating for dissolving;
s5: sequentially adding peroxide and pigment into the dissolved solution, and uniformly stirring and mixing to obtain a mixture;
s6: and vacuumizing the mixture, and defoaming to obtain the component B.
In conclusion, the invention has the following beneficial effects:
1. the peroxide and the pigment are added into the component B, so that the component B can have obvious color change in the storage and use processes, and the advantages of complete curing and proper proportion of the components A and B can be judged through the color change.
2. By adding the toughening resin into the component A, the viscosity of the component A is improved, and the drawing strength and the impact resistance are improved after the adhesive is cured.
Detailed Description
The present invention will be described in detail with reference to preferred embodiments.
A bi-component acrylate adhesive comprises a component A and a component B, and the preparation method at least comprises the following steps:
s1: adding an acrylate monomer and a stabilizer into a stirring kettle, slowly stirring, and uniformly mixing to reach a stable state;
s2: sequentially adding the toughening resin while stirring, and stirring until the toughening resin is fully dissolved;
s3: cooling the dissolved mixed solution to 20 ℃, adding a reducing agent, stirring for 20 minutes under the state of keeping cooling water introduced until the mixture is uniformly mixed, vacuumizing, and defoaming to obtain a component A;
s4: mixing the plasticizer and the toughening agent, and heating for dissolving;
s5: cooling the dissolved solution to 20 ℃, sequentially adding peroxide and pigment while keeping cooling water, and uniformly stirring and mixing to obtain a mixture;
s6: vacuumizing the mixture, and defoaming to obtain a component B;
s7: and respectively filling the component A and the component B into a large cylinder and a small cylinder of a rubber cylinder with the ratio of 10: 1 to obtain the double-component acrylate adhesive.
Table 1-example 1 raw material content by mass percentage
Table 2-example 2 raw materials in percentage by mass
Table 3-comparative example 1 raw materials in percent by mass
Table 4-comparative example 2 raw materials in percent by mass
Performance test
Curing color change test of two-component acrylate adhesive
TABLE 5 color Change Table for the day of preparation of two-component acrylate Adhesives
| Color after mixing | Color after curing | |
| Example 1 | Blue color | Green colour |
| Example 2 | Blue color | Green colour |
| Comparative example 1 | Beige color | Beige colour |
| Comparative example 2 | Blue color | Green colour |
TABLE 6 color change table of two-component acrylate adhesive after 6 months storage
| Color after mixing | Color after curing | |
| Example 1 | Blue color | Green colour |
| Example 2 | Blue color | Green colour |
| Comparative example 1 | Beige color | Beige color |
| Comparative example 2 | Beige color | Beige color |
By combining tables 1-6, examples 1-2 and comparative examples 1-2, it can be seen that the color difference of the two-component acrylate adhesive of the invention before and after curing is obvious, and the performance is stable. Whether the curing is complete, whether the proportion of the components A and B is proper and whether the curing is complete are judged through the color change. Combining the embodiment 1 and the embodiment 2, the addition of the ABS resin into the component A can lead the adhesive to have good formability, and the cured adhesive has smooth surface and is easy to dye; the N, N-dimethyl-p-toluidine is added into the component A, so that the polymerization speed of methyl methacrylate is higher, and the molding of the component A is accelerated; benzoyl peroxide is added into the component B, so that the oxidizing property is stronger, and the color change is slightly obvious; cumene hydroperoxide is added into the component B, so that the forming speed is higher during curing.
The above-described embodiments are merely illustrative and not restrictive, and those skilled in the art who review this specification may make modifications to the embodiments as required without any inventive contribution, but fall within the scope of the claims of the present invention.
Claims (10)
1. The bi-component acrylate adhesive comprises a component A and a component B, and is characterized in that the component B comprises the following raw materials in percentage by mass: 20 to 50 percent of peroxide, 40 to 80 percent of plasticizer, 5 to 10 percent of flexibilizer and 0.2 to 5 percent of pigment.
2. The two-component acrylate adhesive according to claim 1, wherein the component A comprises the following raw materials in percentage by mass: 55-80% of acrylate monomer, 20-35% of toughening resin, 0.5-5% of reducing agent and 0.01-2% of stabilizing agent.
3. The two-part acrylate adhesive of claim 1 wherein the volume ratio of the a part to the B part is 10: 1.
4. The two-part acrylate adhesive of claim 1 wherein the peroxide is benzoyl peroxide or cumene hydroperoxide.
5. The two-component acrylate adhesive of claim 1 wherein the plasticizer is a benzoate plasticizer.
6. The two-component acrylate adhesive of claim 1 wherein the toughening agent is an MBS resin.
7. The two-component acrylate adhesive of claim 1 wherein said pigment comprises a mixture of cobalt blue and ultramarine blue.
8. The two-component acrylate adhesive of claim 2 wherein the acrylate monomer comprises methyl methacrylate, methacrylic acid, a mixture of two or more multifunctional acrylate monomers; the toughened resin comprises a mixture of two or more of chloroprene rubber, ABS resin, SBS resin and MBS resin; the stabilizer comprises hydroquinone, naphthoquinone and sodium salt of EDTA; the reducing agent comprises N, N-dimethylaniline, N-dimethyl-p-toluidine and N-butyraldehyde aniline condensate.
9. The two-component acrylate adhesive of claim 8 wherein the multifunctional acrylate monomer is an acrylate monomer having two or more methacrylate double bonds at the end of the main chain of the molecule.
10. A preparation method of a bi-component acrylate adhesive at least comprises the following steps:
s1, uniformly mixing an acrylate monomer and a stabilizer to reach a stable state;
s2, after stabilization, adding the toughening resin and the reducing agent in sequence, and stirring for dissolving;
s3, pumping the dissolved mixed solution to vacuum, and defoaming to obtain a component A;
s4, mixing the plasticizer and the toughening agent, and heating for dissolving;
s5, sequentially adding peroxide and pigment into the dissolved solution, and uniformly stirring and mixing to obtain a mixture;
and S6, vacuumizing the mixture, and defoaming to obtain the component B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132354.2A CN115449303A (en) | 2022-09-14 | 2022-09-14 | Double-component acrylate adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211132354.2A CN115449303A (en) | 2022-09-14 | 2022-09-14 | Double-component acrylate adhesive |
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| Publication Number | Publication Date |
|---|---|
| CN115449303A true CN115449303A (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211132354.2A Pending CN115449303A (en) | 2022-09-14 | 2022-09-14 | Double-component acrylate adhesive |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034980A1 (en) * | 1997-02-07 | 1998-08-13 | Lord Corporation | Color changing two-part system and method of determining the curing of an adhesive |
| CN101781536A (en) * | 2010-03-04 | 2010-07-21 | 北京天山新材料技术有限责任公司 | Thermosetting acrylic structural adhesive and preparation method |
| CN102286253A (en) * | 2011-06-21 | 2011-12-21 | 北京天山新材料技术股份有限公司 | Novel two-component acrylate structural adhesive and preparation method thereof |
| CN106999618A (en) * | 2014-12-08 | 2017-08-01 | 金诺斯公司 | The compositions of additives and its method sterilized for pigment |
-
2022
- 2022-09-14 CN CN202211132354.2A patent/CN115449303A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034980A1 (en) * | 1997-02-07 | 1998-08-13 | Lord Corporation | Color changing two-part system and method of determining the curing of an adhesive |
| CN101781536A (en) * | 2010-03-04 | 2010-07-21 | 北京天山新材料技术有限责任公司 | Thermosetting acrylic structural adhesive and preparation method |
| CN102286253A (en) * | 2011-06-21 | 2011-12-21 | 北京天山新材料技术股份有限公司 | Novel two-component acrylate structural adhesive and preparation method thereof |
| CN106999618A (en) * | 2014-12-08 | 2017-08-01 | 金诺斯公司 | The compositions of additives and its method sterilized for pigment |
Non-Patent Citations (1)
| Title |
|---|
| 冯伟刚;: "PVC共挤彩色型材表面变色分析", 聚氯乙烯, no. 12, pages 22 - 27 * |
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