CN101705066A - Pressure sensitive adhesive composite with wide temperature applicable range and preparation method thereof - Google Patents
Pressure sensitive adhesive composite with wide temperature applicable range and preparation method thereof Download PDFInfo
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- CN101705066A CN101705066A CN200910235672A CN200910235672A CN101705066A CN 101705066 A CN101705066 A CN 101705066A CN 200910235672 A CN200910235672 A CN 200910235672A CN 200910235672 A CN200910235672 A CN 200910235672A CN 101705066 A CN101705066 A CN 101705066A
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Abstract
The invention discloses a pressure sensitive adhesive composite with wide temperature applicable range and a preparation method thereof. The composite is prepared by mixing a component A and a component B in a weight ratio of 1:2 and then adjusting the solid content to 40%-50%, wherein the component A is composed of polyacrylate with the glass transition temperature of -20 to 30 DEG C, the polyacrylate comprises acrylate soft monomer, acrylate hard monomer, hydrazide crosslinking monomer, organic solvent, oil-soluble initiator and chain transfer agent; and the component B is composed of polyacrylate with the glass transition temperature of -50 to 70 DEG C, and the polyacrylate comprises acrylate soft monomer, acrylic acid functional monomer, acrylic acid crosslinking monomer, organic solvent, oil-soluble initiator and chain transfer agent. The adhesive composite which is prepared by mixing polyacrylate polymer A and B with two different glass transition temperatures, can adapt to the working conditions with higher temperature of 100-120 DEG C and lower temperature of -20 DEG, the peeling strength can not degrade, and the weather resistance can be kept good.
Description
Technical field
The invention belongs to the synthetic field of polymer binder, particularly a kind of pressure sensitive adhesive composite and preparation method thereof with wide temperature applicable range.
Background technology
Traditional solvent borne pressure sensitive adhesive Applicable temperature scope mainly is confined to room temperature, if use under temperature drift or condition on the low side, then the decay of the stripping strength of pressure sensitive adhesive obviously causes bonding effect bad.And the high-low temperature resistant effect of high temperature resistant type tackiness agent or low temperature resistant type tackiness agent can improve greatly, satisfy the use of hot conditions or cold condition, but its cost is higher, and this high temperature modification or low-temperature-based adhesive all can't be applicable in the environment of wide temperature variation range and use.And do not have now a kind of can be for expanding a little higher than room temperature and subambient slightly comprehensive tackiness agent simultaneously, thereby a kind of pressure sensitive adhesive can be used in the wide temperature range, make that its applicable environment is more extensive.
Summary of the invention
The embodiment of the invention provides a kind of pressure sensitive adhesive composite with wide temperature applicable range and preparation method thereof, and its temperature applicable range can reach-10 ℃～120 ℃, can use in the bigger more extensive area of range of temperature.
The present invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of pressure sensitive adhesive composite with wide temperature applicable range, and said composition is regulated by the composite back of 1: 2 weight ratio by A component and B component that to contain admittedly be 40%～50% to form;
Wherein, the A component is made up of at-20～30 ℃ polyacrylic ester second-order transition temperature, and the composition of described polyacrylic ester and quality percentage composition are as follows:
Esters of acrylic acid soft monomer 10～45%, esters of acrylic acid hard monomer 10～30%, hydrazides class cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～50%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
The B component is made up of at-50～70 ℃ polyacrylic ester second-order transition temperature, and described polyacrylic ester composition and quality percentage composition are as follows:
Esters of acrylic acid soft monomer 25～50%, acrylic acid or the like function monomer 1～5%, acrylic acid or the like cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%.
The embodiment of the invention also provides a kind of preparation method with pressure sensitive adhesive composite of wide temperature applicable range, comprising:
Preparation A component and B component, with the A component that makes and B component by 1: 2 weight ratio blending and stirring evenly after, with ester class or benzene class organic solvent the mixed system of A component and B component is contained admittedly and to be adjusted to 40%～50%, promptly obtain having the pressure sensitive adhesive composite of wide temperature applicable range;
Wherein, preparation A component method comprises:
Get each raw material of preparation A component by following proportioning:
Esters of acrylic acid soft monomer 10～45%, esters of acrylic acid hard monomer 10～30%, hydrazides class cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～50%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
Prepare the A component by following step:
With the esters of acrylic acid soft monomer, the esters of acrylic acid hard monomer, the oil-soluble initiator mixing that accounts for oil-soluble initiator gross weight 75～85% obtains mixture, get in mixture that accounts for described mixture total weight amount 1/3 and the ester class that accounts for ester class or benzene class organic solvent gross weight 2/3 or the benzene class organic solvent adding reactor, reactor is warming up to 75～80 ℃ of reactions 1.5～2 hours, drip remaining by the esters of acrylic acid soft monomer, the esters of acrylic acid hard monomer mixes the described mixture that forms with oil-soluble initiator, dripped off in 2 hours, in 2～3 hours, the mixed solution of remaining ester class or benzene class organic solvent and remaining oil-soluble initiator is splashed in the reactor afterwards, be incubated 3～4 hours, add chain-transfer agent after splashing into hydrazides class cross-linking monomer, be cooled to room temperature, recording viscosity is 1000～2000mpa.s, solid content is 40～60%, discharging promptly makes second-order transition temperature at-20～30 ℃ polyacrylic ester, and this polyacrylic ester is as the A component;
Preparation B component comprises:
Get each raw material of preparation B component by following proportioning:
Esters of acrylic acid soft monomer 25～50%, acrylic acid or the like function monomer 1～5%, acrylic acid or the like cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
Prepare the B component by following step:
With the esters of acrylic acid soft monomer, the acrylic acid or the like function monomer, the esters of acrylic acid cross-linking monomer mixes the back and forms monomer mixed solution with the oil-soluble initiator that accounts for oil-soluble initiator 75～85%, the monomer mixed solution that accounts for described monomer mixed solution gross weight 1/3 is joined in the reactor with the ester class or the benzene class organic solvent that account for ester class or benzene class organic solvent gross weight 1/2, reactor is warming up to 75～80 ℃ of reactions 1.5～2 hours, the mixture that dropping is mixed by remaining described monomer mixed solution and the organic solvent that accounts for residue organic solvent weight 2/3, dripped off in 2 hours, replenish and drip remaining ester class or benzene class organic solvent and remaining oil-soluble initiator, insulation reaction 2 hours, add chain-transfer agent, be cooled to room temperature, recording viscosity is 3500～5000mpa.s, solid content is 40～60%, discharging promptly makes second-order transition temperature at-50～70 ℃ polyacrylic ester, and this polyacrylic ester is as the B component.
By the foregoing description as can be seen, pass through A component and B component is composite in the embodiment of the invention, make pressure sensitive adhesive composite, because the A component has different second-order transition temperatures with the B component, thereby when being used, the contact adhesive composition that makes still has higher stripping strength in the environment of temperature range variation broad, can satisfy that intensity decays hardly in-10 ℃～120 ℃ temperature range, be lower than 10% 120 ℃ of strength retrogressions, be lower than 5%-10 ℃ of strength retrogressions, its weather resisteant is good, bigger expansion the use range of two-pack pressure sensitive adhesive.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
Present embodiment 1 provides a kind of pressure sensitive adhesive composite with wide temperature applicable range, this pressure sensitive adhesive composite by A component and B component by 1: 2 part by weight composite after, the composite system that obtains contained to 40%～50% admittedly with ester class or the adjusting of benzene class organic solvent form;
Wherein, the A component is made up of at-20～30 ℃ polyacrylic ester second-order transition temperature, and the composition of this polyacrylic ester and quality percentage composition are as follows:
Esters of acrylic acid soft monomer 10～45%, esters of acrylic acid hard monomer 10～30%, hydrazides class cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
The B component is made up of at-50-70 ℃ polyacrylic ester second-order transition temperature, and the composition of this polyacrylic ester and quality percentage composition are as follows:
Esters of acrylic acid soft monomer 25～50%, acrylic acid or the like function monomer 1～5%, acrylic acid or the like cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%.
Esters of acrylic acid soft monomer in the A component of above-mentioned pressure sensitive adhesive composite comprises: any one or two kinds of composition in butyl acrylate, the ethyl propenoate.
Esters of acrylic acid hard monomer in the A component comprises: any in methyl acrylate, methyl methacrylate, the methyl methacrylate or any two kinds composition.
Hydrazides class cross-linking monomer in the A component comprises: any in oxalyl dihydrazide, malonyl-hydrazine, succinyl hydrazine, glutaryl hydrazine, adipic dihydrazide, maleic hydrazide, fumaroyl hydrazine, terephthaloyl hydrazine, the isophthaloyl dihydrazide or any several composition.
Ester class in the A component or benzene class organic solvent comprise: a kind of in ethyl acetate, toluene, dimethylbenzene, the butanone or their composition, oil-soluble initiator comprise any or any two kinds composition in azo diethyl butyronitrile, benzoyl peroxide, isopropyl benzene hydroperoxide, the tertbutyl peroxide.
Chain-transfer agent in the A component adopts lauryl mercaptan.
Esters of acrylic acid soft monomer in the B component of above-mentioned pressure sensitive adhesive composite comprises: any in butyl acrylate, Isooctyl acrylate monomer, the 2-EHA or any two kinds composition.
Acrylic acid or the like function monomer in the B component comprises: any in vinylformic acid, methacrylic acid, vinyl cyanide, the glycidyl acrylate or any two kinds mixture.
Acrylic acid or the like cross-linking monomer in the B component comprises: a kind of or any several composition in acrylamide, Hydroxyethyl acrylate, the Propylene glycol monoacrylate.
Oil-soluble initiator in the B component comprises: any in azo diethyl butyronitrile, benzoyl peroxide, isopropyl benzene hydroperoxide, the tertbutyl peroxide or any two kinds composition.
Ester class in the B component or benzene class organic solvent comprise: a kind of in ethyl acetate, toluene, dimethylbenzene, the butanone or their composition, oil-soluble initiator comprise any or any two kinds composition in azo diethyl butyronitrile, benzoyl peroxide, isopropyl benzene hydroperoxide, the tertbutyl peroxide.
Chain-transfer agent in the B component adopts lauryl mercaptan.
Preparation method to the pressure sensitive adhesive composite of above-mentioned wide temperature applicable range is specific as follows:
Prepare A component and B component (preparation A component, B component be order in no particular order) earlier, with the A component that makes and B component by 1: 2 weight ratio blending and stirring evenly after, with ester class or benzene class organic solvent the mixed system of A component and B component is contained admittedly and to be adjusted to 40%～50%, promptly obtain having the pressure sensitive adhesive composite of wide temperature applicable range;
During preparation A component, specifically undertaken by following step:
At first get each raw material of preparation A component by the proportioning of above-mentioned A component prescription, comprise: esters of acrylic acid soft monomer 10～45%, esters of acrylic acid hard monomer 10～30%, hydrazides class cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
Prepare the A component by following step:
With the esters of acrylic acid soft monomer, the esters of acrylic acid hard monomer, the oil-soluble initiator mixing that accounts for oil-soluble initiator gross weight 75～85% obtains mixture, get in mixture that accounts for described mixture total weight amount 1/3 and the ester class that accounts for ester class or benzene class organic solvent gross weight 2/3 or the benzene class organic solvent adding reactor, reactor is warming up to 75～80 ℃ of reactions 1.5～2 hours, drip remaining 2/3 by the esters of acrylic acid soft monomer, the esters of acrylic acid hard monomer mixes the described mixture that forms with oil-soluble initiator, dripped off in 2 hours, in 2～3 hours, the mixed solution of remaining ester class or benzene class organic solvent and remaining oil-soluble initiator is splashed in the reactor afterwards, be incubated 3～4 hours, add chain-transfer agent after splashing into hydrazides class cross-linking monomer, be cooled to room temperature, recording viscosity is 1000～2000mpa.s, solid content is 40～60%, discharging promptly makes second-order transition temperature at 20～30 ℃ polyacrylic ester, and this polyacrylic ester is as the A component;
During preparation B component, specifically undertaken by following step:
Get each raw material of preparation B component earlier by the proportioning of above-mentioned B component, comprise: esters of acrylic acid soft monomer 25～50%, acrylic acid or the like function monomer 1～5%, acrylic acid or the like cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
Prepare the B component by following step:
With the esters of acrylic acid soft monomer, the acrylic acid or the like function monomer, the esters of acrylic acid cross-linking monomer mixes the back and forms monomer mixed solution with the oil-soluble initiator that accounts for oil-soluble initiator 80%, the monomer mixed solution that accounts for described monomer mixed solution gross weight 1/3 is joined in the reactor with the organic solvent that occupies machine solvent gross weight 1/2, reactor is warming up to 75～80 ℃ of reactions 1.5～2 hours, the mixture that dropping is mixed by remaining described monomer mixed solution and ester class that accounts for residue organic solvent weight 2/3 or benzene class organic solvent, dripped off in 2 hours, replenish afterwards and drip remaining ester class or benzene class organic solvent and remaining oil-soluble initiator, insulation reaction 2 hours, add chain-transfer agent, be cooled to room temperature, recording viscosity is 3500～5000mpa.s, solid content is 40～60%, discharging promptly makes second-order transition temperature at-50～70 ℃ polyacrylic ester, and this polyacrylic ester is as the B component.
By the foregoing description as can be seen, pass through A component and B component is composite in the embodiment of the invention, make pressure sensitive adhesive composite, because the A component has different second-order transition temperatures with the B component, thereby when being used, the contact adhesive composition that makes still has higher stripping strength in the environment of temperature range variation broad, can satisfy that intensity decays hardly in-10 ℃～120 ℃ temperature range, be lower than 10% 120 ℃ of strength retrogressions, be lower than 5%-10 ℃ of strength retrogressions, its weather resisteant is good, bigger expansion the use range of two-pack pressure sensitive adhesive.
Embodiment 2
Present embodiment 2 provides a kind of preparation method with pressure sensitive adhesive composite of wide temperature applicable range, can prepare the pressure sensitive adhesive composite with wide temperature applicable range, can be used as pressure sensitive adhesive and uses, and this method comprises:
According to the form below is got each raw material of A component and B component:
| The A component | Mass fraction | The B component | Mass fraction |
| Butyl acrylate | ??20 | 2-EHA | ??18 |
| Ethyl propenoate | ??15 | Butyl acrylate | ??27 |
| Methyl acrylate | ??15 | Vinylformic acid | ??1.0 |
| The A component | Mass fraction | The B component | Mass fraction |
| Oxalyl dihydrazide | ??1.0 | Vinyl cyanide | ??2.0 |
| Adipic dihydrazide | ??1.3 | Hydroxyethyl acrylate | ??2.3 |
| Ethyl acetate | ??36 | Glycidyl acrylate | ??1.2 |
| Toluene | ??10 | Ethyl acetate | ??30 |
| Azo diethyl butyronitrile | ??1.5 | Toluene | ??17 |
| Lauryl mercaptan | ??0.2 | Azo diethyl butyronitrile | ??1.3 |
| Lauryl mercaptan | ??0.2 |
The preparation method of A component is:
With butyl acrylate, ethyl propenoate, the azo diethyl butyronitrile of methyl acrylate and 1.2 mass parts mixes the formation monomer mixed solution, getting this monomer mixed solution of 17 mass parts and the organic solvent of 30 mass parts (the mixed mixed organic solvents of ethyl acetate and toluene) joins in the reactor, make reactor be warming up to 75～80 ℃ of reactions 1.5～2 hours, drip the residual monomers mixed solution (by butyl acrylate, ethyl propenoate, methyl acrylate mixes the monomer mixed solution that forms with azo diethyl butyronitrile), dripped off in 2 hours, afterwards with remaining organic solvent (remaining) by the mixed mixed organic solvents of ethyl acetate with toluene with splash in the reactor after remaining azo diethyl butyronitrile mixes, be incubated 3～4 hours, splash into oxalyl dihydrazide and adipic dihydrazide mixed solution, add Dodecyl Mercaptan, be cooled to room temperature, recording viscosity is 1400mpa.s, solid content is 55%, and discharging is as the A component;
The preparation method of B component is:
With 2-EHA, butyl acrylate, vinylformic acid, vinyl cyanide, Hydroxyethyl acrylate, the azo diethyl butyronitrile of glycidyl acrylate and 1.04 mass parts mixes the formation monomer mixed solution, getting the above-mentioned monomer mixed solution of 17 mass parts and the organic solvent of 23 mass parts (by ethyl acetate and the mixed mixed organic solvents of toluene) joins in the reactor, make reactor be warming up to 75～80 ℃ of reactions 1.5～2 hours, the organic solvent (by ethyl acetate and the mixed mixed organic solvents of toluene) of getting 16 mass parts drips simultaneously with the residual monomers mixed solution, dripped off in 2 hours, replenish and drip remaining organic solvent (remaining) and remaining azo diethyl butyronitrile by ethyl acetate and the mixed mixed organic solvents of toluene, insulation reaction 2 hours, add Dodecyl Mercaptan, be cooled to room temperature, recording viscosity is 4100mpa.s, solid content is 54%, and discharging is as the B component;
The above-mentioned A component that makes and B component by 1: 2 part by weight blending and stirring evenly after, with the consolidating to contain and be adjusted to about 45% of A component and B component mixed system, promptly make the pressure sensitive adhesive composite of wide temperature applicable range with the organic solvent ethyl acetate.
Embodiment 3
Present embodiment 3 provides a kind of preparation method with pressure sensitive adhesive composite of wide temperature applicable range, can prepare the pressure sensitive adhesive composite with wide temperature applicable range, can be used as pressure sensitive adhesive and uses, and this method comprises:
According to the form below is got each raw material of A component and B component:
| The A component | Mass fraction | The B component | Mass fraction |
| Butyl acrylate | ??28 | 2-EHA | ??15 |
| Ethyl propenoate | ??14 | Butyl acrylate | ??28 |
| Methyl methacrylate | ??8 | Methacrylic acid | ??1.5 |
| The malonyl-hydrazine | ??1.0 | Vinyl cyanide | ??1.5 |
| Adipic dihydrazide | ??1.5 | Propylene glycol monoacrylate | ??2.5 |
| Ethyl acetate | ??46 | Acrylamide | ??1.5 |
| Benzoyl peroxide | ??1.3 | Ethyl acetate | ??33.5 |
| Lauryl mercaptan | ??0.2 | Toluene | ??15 |
| Benzoyl peroxide | ??1.3 | ||
| Lauryl mercaptan | ??0.2 |
The preparation method of A component is:
With butyl acrylate, ethyl propenoate, the benzoyl peroxide of methyl methacrylate and 1.04 mass parts mixes and obtains monomer mixed solution, getting the monomer mixed solution of 17 mass parts and the ethyl acetate of 30 mass parts joins in the reactor, make reactor be warming up to 75～80 ℃ of reactions 1.5～2 hours, drip the residual monomers mixed solution (by butyl acrylate, ethyl propenoate, the monomer mixed solution that methyl methacrylate and benzoyl peroxide form), dripped off in 2 hours, mixed solution with remaining ethyl acetate and benzoyl peroxide slowly splashes into reactor afterwards, be incubated 3～4 hours, slowly splash into the mixed solution of malonyl-hydrazine and adipic dihydrazide, add Dodecyl Mercaptan, be cooled to room temperature, recording viscosity is 1700mpa.s, solid content is 55%, and discharging promptly obtains the A component;
The preparation method of B component is:
With 2-EHA, butyl acrylate, methacrylic acid, vinyl cyanide, Propylene glycol monoacrylate, the benzoyl peroxide of acrylamide and 1.04 mass parts mixes the formation monomer mixed solution, getting the described monomer mixed solution of 17 mass parts and the ethyl acetate of 23 mass parts joins in the reactor, make reactor be warming up to 75～80 ℃ of reactions 1.5～2 hours, the organic solvent (by ethyl acetate and the mixed mixed organic solvents of toluene) of getting 16 mass parts drips simultaneously with the residual monomers mixed solution, dripped off in 2 hours, replenish and drip remaining organic solvent (by ethyl acetate and the mixed mixed organic solvents of toluene) and benzoyl peroxide, insulation reaction 2 hours, add Dodecyl Mercaptan, be cooled to room temperature, recording viscosity is 4800mpa.s, solid content is 52%, and discharging is promptly as the B component;
Before use with A component and B component by 1: 2 blending and stirring, with ethyl acetate system is contained admittedly and to be adjusted to about 45% and to use.
The pressure sensitive adhesive composite that the various embodiments described above are made carries out performance test, and is as follows with the heatproof contrast of existing pressure sensitive adhesive:
As gluing temperature tolerance test structure, spread is controlled at 30～40g/m with aluminium foil/PET composite structure
2, carry out peeling strength test under the high low temperature, data such as following table with electronic stripping tester:
| Operation | Spread (g/m 2) | Stripping strength (N/15mm) (25 ℃) | Stripping strength (N/15mm) (120 ℃) | Stripping strength (N/15mm) (10 ℃) |
| Embodiment 2 | ??40 | ??6.27 | ??6.08 | ??6.21 |
| Embodiment 3 | ??40 | ??6.71 | ??6.45 | ??6.28 |
| Commercially available pressure sensitive adhesive | ??40 | ??6.36 | ??4.57 | ??3.94 |
From above-mentioned test comparison table as can be seen, the pressure sensitive adhesive composite of embodiment of the invention preparation is compared the temperature applicable range that existing commercially available pressure sensitive adhesive has broad, can reach-10 ℃～120 ℃, under 120 ℃ or-10 ℃ of conditions, all have stripping strength preferably.Make this pressure sensitive adhesive composite can satisfy under the Working environment of 100～120 ℃ of comparatively high tempss and lesser temps-20 ℃, stripping strength is unattenuated, and it is good that weathering resistance keeps.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. the pressure sensitive adhesive composite with wide temperature applicable range is characterized in that, said composition is regulated by the composite back of 1: 2 weight ratio by A component and B component that to contain admittedly be 40%～50% to form;
Wherein, the A component is made up of at-20～30 ℃ polyacrylic ester second-order transition temperature, and the composition of described polyacrylic ester and quality percentage composition are as follows:
Esters of acrylic acid soft monomer 10～45%, esters of acrylic acid hard monomer 10～30%, hydrazides class cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～50%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
The B component is made up of at-50～70 ℃ polyacrylic ester second-order transition temperature, and described polyacrylic ester composition and quality percentage composition are as follows:
Esters of acrylic acid soft monomer 25～50%, acrylic acid or the like function monomer 1～5%, acrylic acid or the like cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%.
2. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the esters of acrylic acid soft monomer in the described A component comprises:
Any one or two kinds of composition in butyl acrylate, the ethyl propenoate.
3. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the esters of acrylic acid hard monomer in the described A component comprises:
In methyl acrylate, methyl methacrylate, the methyl methacrylate any or any two kinds composition.
4. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the hydrazides class cross-linking monomer in the described A component comprises:
In oxalyl dihydrazide, malonyl-hydrazine, succinyl hydrazine, glutaryl hydrazine, adipic dihydrazide, maleic hydrazide, fumaroyl hydrazine, terephthaloyl hydrazine, the isophthaloyl dihydrazide any or any several composition.
5. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, ester class in described A component or the B component or benzene class organic solvent comprise:
In ethyl acetate, toluene, dimethylbenzene, the butanone any or any several composition.
6. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the oil-soluble initiator in described A component or the B component comprises:
In azo diethyl butyronitrile, benzoyl peroxide, isopropyl benzene hydroperoxide, the tertbutyl peroxide any or any two kinds composition.
7. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the chain-transfer agent in described A component or the B component all adopts lauryl mercaptan.
8. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the esters of acrylic acid soft monomer in the described B component comprises:
In butyl acrylate, Isooctyl acrylate monomer, the 2-EHA any or any two kinds composition.
9. the pressure sensitive adhesive composite with wide temperature applicable range as claimed in claim 1 is characterized in that, the acrylic acid or the like function monomer in the described B component comprises:
In vinylformic acid, methacrylic acid, vinyl cyanide, the glycidyl acrylate any or any two kinds mixture;
Acrylic acid or the like cross-linking monomer in the described B component comprises:
In acrylamide, Hydroxyethyl acrylate, the Propylene glycol monoacrylate any or any several composition.
10. the preparation method with pressure sensitive adhesive composite of wide temperature applicable range is characterized in that, comprising:
Preparation A component and B component, with the A component that makes and B component by 1: 2 weight ratio blending and stirring evenly after, with ester class or benzene class organic solvent the mixed system of A component and B component is contained admittedly and to be adjusted to 40%～50%, promptly obtain having the pressure sensitive adhesive composite of wide temperature applicable range;
Wherein, preparation A component method comprises:
Get each raw material of preparation A component by following proportioning:
Esters of acrylic acid soft monomer 10～45%, esters of acrylic acid hard monomer 10～30%, hydrazides class cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～50%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
Prepare the A component by following step:
With the esters of acrylic acid soft monomer, the esters of acrylic acid hard monomer, the oil-soluble initiator mixing that accounts for oil-soluble initiator gross weight 75～85% obtains mixture, get in mixture that accounts for described mixture total weight amount 1/3 and the ester class that accounts for ester class or benzene class organic solvent gross weight 2/3 or the benzene class organic solvent adding reactor, reactor is warming up to 75～80 ℃ of reactions 1.5～2 hours, drip remaining by the esters of acrylic acid soft monomer, the esters of acrylic acid hard monomer mixes the described mixture that forms with oil-soluble initiator, dripped off in 2 hours, in 2～3 hours, the mixed solution of remaining ester class or benzene class organic solvent and remaining oil-soluble initiator is splashed in the reactor afterwards, be incubated 3～4 hours, add chain-transfer agent after splashing into hydrazides class cross-linking monomer, be cooled to room temperature, recording viscosity is 1000～2000mpa.s, solid content is 40～60%, discharging promptly makes second-order transition temperature at-20～30 ℃ polyacrylic ester, and this polyacrylic ester is as the A component;
Preparation B component comprises:
Get each raw material of preparation B component by following proportioning:
Esters of acrylic acid soft monomer 25～50%, acrylic acid or the like function monomer 1～5%, acrylic acid or the like cross-linking monomer 0.5～5%, ester class or benzene class organic solvent 40～60%, oil-soluble initiator 0.2～5%, chain-transfer agent 0.05～0.2%;
Prepare the B component by following step:
With the esters of acrylic acid soft monomer, the acrylic acid or the like function monomer, the esters of acrylic acid cross-linking monomer mixes the back and forms monomer mixed solution with the oil-soluble initiator that accounts for oil-soluble initiator 75～85%, the monomer mixed solution that accounts for described monomer mixed solution gross weight 1/3 is joined in the reactor with the ester class or the benzene class organic solvent that account for ester class or benzene class organic solvent gross weight 1/2, reactor is warming up to 75～80 ℃ of reactions 1.5～2 hours, the mixture that dropping is mixed by remaining described monomer mixed solution and the organic solvent that accounts for residue organic solvent weight 2/3, dripped off in 2 hours, replenish and drip remaining ester class or benzene class organic solvent and remaining oil-soluble initiator, insulation reaction 2 hours, add chain-transfer agent, be cooled to room temperature, recording viscosity is 3500～5000mpa.s, solid content is 40～60%, discharging promptly makes second-order transition temperature at-50～70 ℃ polyacrylic ester, and this polyacrylic ester is as the B component.
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| CN200910235672XA CN101705066B (en) | 2009-10-10 | 2009-10-10 | Pressure sensitive adhesive composite with wide temperature applicable range and preparation method thereof |
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| CN200910235672XA CN101705066B (en) | 2009-10-10 | 2009-10-10 | Pressure sensitive adhesive composite with wide temperature applicable range and preparation method thereof |
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| CN101705066A true CN101705066A (en) | 2010-05-12 |
| CN101705066B CN101705066B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910235672XA Expired - Fee Related CN101705066B (en) | 2009-10-10 | 2009-10-10 | Pressure sensitive adhesive composite with wide temperature applicable range and preparation method thereof |
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| Country | Link |
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| CN (1) | CN101705066B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857786A (en) * | 2010-05-26 | 2010-10-13 | 北京高盟新材料股份有限公司 | Pressure-sensitive adhesive and preparation method thereof |
| CN102559101A (en) * | 2011-12-07 | 2012-07-11 | 新丰杰力电工材料有限公司 | Thermal-spalling acrylic ester pressure-sensitive adhesive, adhesive tape and preparation method thereof |
| CN110352225A (en) * | 2017-03-17 | 2019-10-18 | 陶氏环球技术有限责任公司 | Epoxy acrylic mixing adhesive |
| CN110423303A (en) * | 2019-07-15 | 2019-11-08 | 昆山博益鑫成高分子材料有限公司 | Cross-linking type function polyacrylate polymers and its application in a kind of oil-soluble low temperature |
| CN114149536A (en) * | 2021-12-08 | 2022-03-08 | 江苏三木化工股份有限公司 | Acrylic adhesive resin for prism film and preparation method thereof |
-
2009
- 2009-10-10 CN CN200910235672XA patent/CN101705066B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857786A (en) * | 2010-05-26 | 2010-10-13 | 北京高盟新材料股份有限公司 | Pressure-sensitive adhesive and preparation method thereof |
| CN102559101A (en) * | 2011-12-07 | 2012-07-11 | 新丰杰力电工材料有限公司 | Thermal-spalling acrylic ester pressure-sensitive adhesive, adhesive tape and preparation method thereof |
| CN102559101B (en) * | 2011-12-07 | 2014-01-01 | 新丰杰力电工材料有限公司 | Thermal-spalling acrylic ester pressure-sensitive adhesive, adhesive tape and preparation method thereof |
| CN110352225A (en) * | 2017-03-17 | 2019-10-18 | 陶氏环球技术有限责任公司 | Epoxy acrylic mixing adhesive |
| CN110352225B (en) * | 2017-03-17 | 2021-07-30 | 陶氏环球技术有限责任公司 | Epoxy acrylic acid mixed adhesive |
| CN110423303A (en) * | 2019-07-15 | 2019-11-08 | 昆山博益鑫成高分子材料有限公司 | Cross-linking type function polyacrylate polymers and its application in a kind of oil-soluble low temperature |
| CN114149536A (en) * | 2021-12-08 | 2022-03-08 | 江苏三木化工股份有限公司 | Acrylic adhesive resin for prism film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101705066B (en) | 2012-01-25 |
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