CN105907341A - High-viscosity acrylic adhesive and preparation method thereof - Google Patents
High-viscosity acrylic adhesive and preparation method thereof Download PDFInfo
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- CN105907341A CN105907341A CN201610324540.4A CN201610324540A CN105907341A CN 105907341 A CN105907341 A CN 105907341A CN 201610324540 A CN201610324540 A CN 201610324540A CN 105907341 A CN105907341 A CN 105907341A
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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
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
- C09J133/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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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
- C09J11/02—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
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a high-viscosity acrylic adhesive and a preparation method thereof. The high-viscosity acrylic adhesive is prepared from the following raw materials in parts by weight: methyl methacrylate, n-butyl acrylate, isocyanate, crylic acid, rosin resin, ethyl acetate, methylbenzene, benzoperoxide, terpene resin, azoic compounds, coupling agents, diethoxydimethylsilane, nanometer silicon dioxide powder, nanometer aluminum oxide powder, micrometer silicon dioxide powder, micrometer aluminum oxide powder and solvents. The acrylic adhesive obtained through preparation has excellent bonding power; in the use process, the separation from the base material cannot occur; through the simultaneous effect of the rosin resin, the terpene resin, the methyl methacrylate, the ethyl acrylate and the diethoxydimethylsilane, the high-temperature performance reduction due to addition of the silicon dioxide powder and the aluminum oxide powder is avoided; the high-temperature-resistant performance and the viscosity stability under the temperature difference change are improved, so that the product reliability is improved.
Description
Technical field
The present invention relates to a kind of adhesive, specifically a kind of high viscosity acrylic acid adhesive and preparation method thereof.
Background technology
Flourish along with electronics technology so that such as mobile phone, MP4, weeding out the old and bring forth the new of the electronic product such as MP5, camera, digital code camera, notebook computer.In order to avoid electronic product screen surface is by scratch or abrasion, affect using effect, typically can paste in the screen surface of electronic product and foretell screen protecting film.Protecting film is typically made up of substrate layer and the adhesive layer being coated on this substrate layer.This is more and more higher to the requirement of adhesive tape, it is often necessary to adhesion strength is strong and thickness is at relatively thin adhesive tape.For electronic product or other products, once use adhesive tape, then need this adhesive tape can maintain viscosity in the case of difference variation is big always, and can easily adhesive be peeled off from thin film, secondly, prior art, under taking into account other performances such as uniformity, improves cloudy surface roughness and there is bottleneck.
Acrylate adhesive is that a class is using the esters monomer containing acrylic or methacrylic acid building stone as matrix material, by coordinating addition firming agent, initiator, accelerator to facilitate fast setting, the thermoset structure adhesive of certain adhesive strength and adhesive effect the most just can be reached.
Summary of the invention
It is an object of the invention to provide that a kind of adhesion with base material is strong, the high viscosity acrylic acid adhesive of good stability and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of high viscosity acrylic acid adhesive, include according to the raw material of weight portion: methyl methacrylate 15-25 part, n-butyl acrylate 4-6 part, isocyanates 4-6 part, acrylic acid 0.1-0.3 part, rosin resin 0.1-0.3 part, ethyl acetate 20-40 part, toluene 5-7 part, benzoyl peroxide 0.03-0.07 part, terpene resin 4-6 part, azo-compound 1-2 part, coupling agent 1-1.5 part, dimethyldiethoxysilane 15-25 part, nanometer grade silica powder 2-3 part, nano-alumina powder 1.5-2.5 part, micron silica powder body 0.2-0.4 part, micron order alumina powder jointed 0.2-0.4 part, solvent 40-50 part.
nullAs the further scheme of the present invention: described high viscosity acrylic acid adhesive，Include according to the raw material of weight portion: methyl methacrylate 18-22 part、N-butyl acrylate 4.5-5.5 part、Isocyanates 4.5-5.5 part、Acrylic acid 0.15-0.25 part、Rosin resin 0.15-0.25 part、Ethyl acetate 25-35 part、Toluene 5.5-6.5 part、Benzoyl peroxide 0.04-0.06 part、Terpene resin 4.5-5.5 part、Azo-compound 1.2-1.8 part、Coupling agent 1.1-1.4 part、Dimethyldiethoxysilane 18-22 part、Nanometer grade silica powder 2.2-2.8 part、Nano-alumina powder 1.8-2.2 part、Micron silica powder body 0.25-0.35 part、Micron order alumina powder jointed 0.25-0.35 part、Solvent 42-48 part.
As the further scheme of the present invention: described high viscosity acrylic acid adhesive, include according to the raw material of weight portion: methyl methacrylate 20 parts, n-butyl acrylate 5 parts, isocyanates 5 parts, 0.2 part of acrylic acid, rosin resin 0.2 part, ethyl acetate 30 parts, toluene 6 parts, benzoyl peroxide 0.05 part, terpene resin 5 parts, azo-compound 1.5 parts, coupling agent 1.2 parts, dimethyldiethoxysilane 20 parts, nanometer grade silica powder 2.5 parts, nano-alumina powder 2 parts, micron silica powder body 0.3 part, alumina powder jointed 0.35 part of micron order, solvent 45 parts.
As the further scheme of the present invention: described solvent is at least one in toluene, ethyl acetate and butanone.
As the further scheme of the present invention: the average diameter of described nanometer grade silica powder is 15nm.
As the present invention further scheme: the average diameter of described nano-alumina powder is 28nm.
The preparation method of described high viscosity acrylic acid adhesive, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 75-95 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 1-2h, is then cooled to 45-55 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is by improving formula and the preparation technology of conventional acrylic adhesive, the acrylic acid adhesive prepared is made to possess excellent adhesion, in use will not separate with base material, rosin resin, terpene resin methyl methacrylate, ethyl acrylate, the common effect of dimethyldiethoxysilane, avoid the decline of the resistance to elevated temperatures caused by silicon-dioxide powdery, alumina powder jointed addition, improve resistance to elevated temperatures, and the stability of the viscosity under difference variation, thus improve the reliability of product.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of high viscosity acrylic acid adhesive, includes according to the raw material of weight portion: methyl methacrylate 15 parts, n-butyl acrylate 4 parts, isocyanates 4 parts, 0.1 part of acrylic acid, rosin resin 0.1 part, ethyl acetate 20 parts, toluene 5 parts, benzoyl peroxide 0.03 part, terpene resin 4 parts, azo-compound 1 part, coupling agent 1 part, dimethyldiethoxysilane 15 parts, nanometer grade silica powder 2 parts, nano-alumina powder 1.5 parts, micron silica powder body 0.2 part, alumina powder jointed 0.2 part of micron order, solvent 40 parts.
The preparation method of described high viscosity acrylic acid adhesive, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 75 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 1h, is then cooled to 45 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Embodiment 2
A kind of high viscosity acrylic acid adhesive, include according to the raw material of weight portion: methyl methacrylate 18 parts, n-butyl acrylate 4.5 parts, isocyanates 4.5 parts, 0.15 part of acrylic acid, rosin resin 0.15 part, ethyl acetate 25 parts, toluene 5.5 parts, benzoyl peroxide 0.04 part, terpene resin 4.5 parts, azo-compound 1.2 parts, coupling agent 1.1 parts, dimethyldiethoxysilane 18 parts, nanometer grade silica powder 2.2 parts, nano-alumina powder 1.8 parts, micron silica powder body 0.25 part, alumina powder jointed 0.25 part of micron order, solvent 42 parts.
The preparation method of described high viscosity acrylic acid adhesive, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 80 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 1.2h, is then cooled to 48 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Embodiment 3
High viscosity acrylic acid adhesive, includes according to the raw material of weight portion: methyl methacrylate 20 parts, n-butyl acrylate 5 parts, isocyanates 5 parts, 0.2 part of acrylic acid, rosin resin 0.2 part, ethyl acetate 30 parts, toluene 6 parts, benzoyl peroxide 0.05 part, terpene resin 5 parts, azo-compound 1.5 parts, coupling agent 1.2 parts, dimethyldiethoxysilane 20 parts, nanometer grade silica powder 2.5 parts, nano-alumina powder 2 parts, micron silica powder body 0.3 part, alumina powder jointed 0.35 part of micron order, solvent 45 parts.
The preparation method of described high viscosity acrylic acid adhesive, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 85 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 1.5h, is then cooled to 50 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Embodiment 4
A kind of high viscosity acrylic acid adhesive, include according to the raw material of weight portion: methyl methacrylate 22 parts, n-butyl acrylate 5.5 parts, isocyanates 5.5 parts, 0.25 part of acrylic acid, rosin resin 0.25 part, ethyl acetate 35 parts, toluene 6.5 parts, benzoyl peroxide 0.06 part, terpene resin 5.5 parts, azo-compound 1.8 parts, coupling agent 1.4 parts, dimethyldiethoxysilane 22 parts, nanometer grade silica powder 2.8 parts, nano-alumina powder 2.2 parts, micron silica powder body 0.35 part, alumina powder jointed 0.35 part of micron order, solvent 48 parts.
The preparation method of described high viscosity acrylic acid adhesive, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 90 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 1.8h, is then cooled to 52 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Embodiment 5
A kind of high viscosity acrylic acid adhesive, includes according to the raw material of weight portion: methyl methacrylate 25 parts, n-butyl acrylate 6 parts, isocyanates 6 parts, 0.3 part of acrylic acid, rosin resin 0.3 part, ethyl acetate 40 parts, toluene 7 parts, benzoyl peroxide 0.07 part, terpene resin 6 parts, azo-compound 2 parts, coupling agent 1.5 parts, dimethyldiethoxysilane 25 parts, nanometer grade silica powder 3 parts, nano-alumina powder 2.5 parts, micron silica powder body 0.4 part, alumina powder jointed 0.4 part of micron order, solvent 50 parts.
The preparation method of described high viscosity acrylic acid adhesive, specifically comprises the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 95 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 2h, is then cooled to 55 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Described solvent is at least one in toluene, ethyl acetate and butanone, and the average diameter of described nanometer grade silica powder is 15nm, and the average diameter of described nano-alumina powder is 28nm.
The present invention is by improving formula and the preparation technology of conventional acrylic adhesive, the acrylic acid adhesive prepared is made to possess excellent adhesion, in use will not separate with base material, rosin resin, terpene resin methyl methacrylate, ethyl acrylate, the common effect of dimethyldiethoxysilane, avoid the decline of the resistance to elevated temperatures caused by silicon-dioxide powdery, alumina powder jointed addition, improve resistance to elevated temperatures, and the stability of the viscosity under difference variation, thus improve the reliability of product.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art is possessed, it is also possible to various changes can be made on the premise of without departing from this patent objective.
Claims (7)
1. a high viscosity acrylic acid adhesive, it is characterized in that, include according to the raw material of weight portion: methyl methacrylate 15-25 part, n-butyl acrylate 4-6 part, isocyanates 4-6 part, acrylic acid 0.1-0.3 part, rosin resin 0.1-0.3 part, ethyl acetate 20-40 part, toluene 5-7 part, benzoyl peroxide 0.03-0.07 part, terpene resin 4-6 part, azo-compound 1-2 part, coupling agent 1-1.5 part, dimethyldiethoxysilane 15-25 part, nanometer grade silica powder 2-3 part, nano-alumina powder 1.5-2.5 part, micron silica powder body 0.2-0.4 part, micron order alumina powder jointed 0.2-0.4 part, solvent 40-50 part.
nullHigh viscosity acrylic acid adhesive the most according to claim 1，It is characterized in that，Include according to the raw material of weight portion: methyl methacrylate 18-22 part、N-butyl acrylate 4.5-5.5 part、Isocyanates 4.5-5.5 part、Acrylic acid 0.15-0.25 part、Rosin resin 0.15-0.25 part、Ethyl acetate 25-35 part、Toluene 5.5-6.5 part、Benzoyl peroxide 0.04-0.06 part、Terpene resin 4.5-5.5 part、Azo-compound 1.2-1.8 part、Coupling agent 1.1-1.4 part、Dimethyldiethoxysilane 18-22 part、Nanometer grade silica powder 2.2-2.8 part、Nano-alumina powder 1.8-2.2 part、Micron silica powder body 0.25-0.35 part、Micron order alumina powder jointed 0.25-0.35 part、Solvent 42-48 part.
High viscosity acrylic acid adhesive the most according to claim 1, it is characterized in that, include according to the raw material of weight portion: methyl methacrylate 20 parts, n-butyl acrylate 5 parts, isocyanates 5 parts, 0.2 part of acrylic acid, rosin resin 0.2 part, ethyl acetate 30 parts, toluene 6 parts, benzoyl peroxide 0.05 part, terpene resin 5 parts, azo-compound 1.5 parts, coupling agent 1.2 parts, dimethyldiethoxysilane 20 parts, nanometer grade silica powder 2.5 parts, nano-alumina powder 2 parts, micron silica powder body 0.3 part, alumina powder jointed 0.35 part of micron order, solvent 45 parts.
4. according to the arbitrary described high viscosity acrylic acid adhesive of claim 1-3, it is characterised in that described solvent is at least one in toluene, ethyl acetate and butanone.
5. according to the arbitrary described high viscosity acrylic acid adhesive of claim 1-3, it is characterised in that the average diameter of described nanometer grade silica powder is 15nm.
6. according to the arbitrary described high viscosity acrylic acid adhesive of claim 1-3, it is characterised in that the average diameter of nano-alumina powder is 28nm.
7. the preparation method of the high viscosity acrylic acid adhesive as described in claim 1-3 is arbitrary, it is characterised in that specifically comprise the following steps that
(1) each raw material is weighed according to weight portion；
(2) by micron silica powder body, micron order is alumina powder jointed and coupling agent addition carries out ultrasonic Treatment acquisition pre-dispersed liquid to solvent；
(3) nanometer grade silica powder, nano-alumina powder and isocyanates addition pre-dispersed liquid will carry out pre-dispersed liquid after ultrasonic Treatment acquisition is modulated；
(4) adding methyl methacrylate, n-butyl acrylate, acrylic acid, dimethyldiethoxysilane in a kettle., then heat to 75-95 DEG C, add benzoyl peroxide, being sufficiently stirred for until there being backflow；
(5) in 0.5h, uniformly dropping, containing ethyl acetate, the solution of toluene, keeps temperature to continue reaction 1-2h, is then cooled to 45-55 DEG C, obtains polymer solution after dropping；
(6) pre-dispersed liquid, polymer solution after described modulation are mixed and be sequentially added into rosin resin, note olefine resin and azo-compound, carry out mechanical high-speed stirring and ultrasonic stirring, thus obtain acrylic acid adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610324540.4A CN105907341A (en) | 2016-05-17 | 2016-05-17 | High-viscosity acrylic adhesive and preparation method thereof |
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| CN201610324540.4A CN105907341A (en) | 2016-05-17 | 2016-05-17 | High-viscosity acrylic adhesive and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142028A (en) * | 2017-05-23 | 2017-09-08 | 江苏斯瑞达新材料科技有限公司 | A kind of formula of transparent high viscosity insulating tape |
| CN113563832A (en) * | 2021-07-30 | 2021-10-29 | 江苏斯迪克新材料科技股份有限公司 | Composite adhesive and preparation method thereof |
-
2016
- 2016-05-17 CN CN201610324540.4A patent/CN105907341A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107142028A (en) * | 2017-05-23 | 2017-09-08 | 江苏斯瑞达新材料科技有限公司 | A kind of formula of transparent high viscosity insulating tape |
| CN113563832A (en) * | 2021-07-30 | 2021-10-29 | 江苏斯迪克新材料科技股份有限公司 | Composite adhesive and preparation method thereof |
| CN113563832B (en) * | 2021-07-30 | 2023-04-04 | 江苏斯迪克新材料科技股份有限公司 | Composite adhesive and preparation method thereof |
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