CN103045113A - Preparation method of self-crosslinking IPN (interpenetrating network) organosilicone-acrylate copolymer emulsion pressure-sensitive adhesive - Google Patents
Preparation method of self-crosslinking IPN (interpenetrating network) organosilicone-acrylate copolymer emulsion pressure-sensitive adhesive Download PDFInfo
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Abstract
The invention belongs to the technical field of adhesive, and particularly relates to a preparation method of a self-crosslinking IPN (interpenetrating network) organosilicone-acrylate copolymer emulsion pressure-sensitive adhesive. The method comprises the following steps: firstly synthetizing a polymer emulsion serving as a seed, then adding an organosilicone monomer, silane hydrolysis inhibitors, a crosslinking agent and a catalyst in the seed emulsion step by step by adopting a organic silicon monomer after-dropping technology and a method of adding silane hydrolysis inhibitor and the like, making the organosilicone monomer further polymerize and crosslink on the surface of the seminal emulsion, and then preparing a self-crosslinking IPN (interpenetrating network) organosilicone-acrylate copolymer emulsion pressure-sensitive adhesive with excellent combination property. The method can be used for solving the problems that the polymerization stability is reduced due to hydrolysis of organosilicone in the reaction, and the water resistance and weatherability of the organosilicone modified acrylate pressure-sensitive adhesive products are bad, and the like.
Description
Technical field
The invention belongs to the adhesive technology field, be specifically related to a kind of preparation method of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive.
Background technology
Along with progressively development economic and science and technology, industry, agricultural, traffic, medical treatment, national defence and civil area increase day by day to the demand of pressure-sensitive adhesive, and requirement is also more and more higher.Country's 12 planning also clearly propose research high-performance, high-quality pressure sensitive adhesive and goods.From the practical situations of present pressure sensitive adhesive in general, prepare that intensity is high, the pressure sensitive adhesive of good heat resistance, use merely one type resin, be difficult to obtain good effect, must carry out compound and modification.Polyacrylate pressure-sensitive adhesive is with its good adhesiveproperties and chemical stability, and the advantage such as nontoxic, harmless and with low cost, be used widely, but the polyacrylate pressure-sensitive resistance toheat is general, the acrylate pressure-sensitive adhesive maximum operation (service) temperature after crosslinked is only 150
o
The C short-term is used, and under higher temperature, thermal-oxidative aging property is poor, easily loses pressure-sensitive, this so that the application of acrylate pressure-sensitive adhesive be very restricted.Organic pressure-sensitive gel not only has the characteristic of common pressure sensitive adhesive, also has wider use temperature (70 ~ 250
o
C) scope and the good advantages such as unreactiveness, but the stripping strength of organic pressure-sensitive gel is low, is difficult to satisfy the bonding requirements of some high-peeling strengths.Therefore, adopt organosilicon that polyacrylate pressure-sensitive is carried out chemical modification, with the resistance to elevated temperatures of organic pressure-sensitive gel and the advantages such as high-peeling strength of polyacrylate pressure-sensitive, not only can guarantee certain stripping strength, and can improve resistance to elevated temperatures and the medium-resistance of polyacrylate pressure-sensitive, have actual application value.
Secondly, the continuous expansion of environmental protection, safety, energy-conservation etc. attention and pressure sensitive adhesive being used along with people, impel pressure sensitive adhesive towards low pollution, the province energy, high-performance and multifunction future development, particularly western developed country proposes after nuisanceless, pollution-free, resource-saving, the prerequisite of province's energy as the development adhesives industries, and emulsion adhesive pollution-free, Water-borne modification causes the great interest of people.But the aspects such as the cohesive strength of the existing kind of coventional type emulsion-type organosilicon-modified acrylate pressure sensitive adhesive, water tolerance, weathering resistance are poor than solvent pressure-sensitive adhesive, limited its more wide development.Therefore, seek a kind of superior performance and again free of contamination emulsion-type organosilicon-modified acrylate pressure-sensitive adhesive and related production technology be very important, more existing pertinent literatures reports in this respect.
At present, the method for organosilicon-modified acrylate polymerized emulsion commonly used has two kinds, i.e. physical modification method and chemical copolymerization method.Open special permission number was once reported the acrylate pressure-sensitive adhesive of 100 parts of weight and organic pressure-sensitive gel physical blending in organic solvent of 1 ~ 30 part for the Japanese Patent of 60-197780, obtain the organosilicon-modified acrylate pressure sensitive adhesive, the blending and modifying of this method, because do not have bonding between acrylate and the organosilicon, easily produce and be separated the poor stability of product.Japanese Patent No. 94157758(1994.7.6) uses first vinyl benzene methyl dimethoxysilane, octamethylcyclotetrasiloxane are made poly organic silicon alkane emulsion, get 10 parts and acroleic acid polymerization, and then with the condensation of 10 parts of hexaphenyl trisiloxanes, the polymer emulsion that makes is filmed and is had good weathering resistance, water tolerance and resistance to crocking, and snappiness and sticking power are good.U.S. Patent No. 4,791,163 have also introduced a kind of emulsion-type organosilicon-modified acrylate pressure sensitive adhesive.Application number is that 200510060865.8 Chinese patent was reported organosilane monomer modified polyacrylate pressure-sensitive adhesive, be with monomer mixtures such as acrylate under the condition of solution polymerization, the method that adopts substep to drip, carry out radical polymerization and prepare performed polymer, regulate molecular weight and the distribution of product by regulating solvent, by adding linking agent, can obtain excellent performance again.Application number is that 02134207.5 Chinese patent has reported that silicone-modified polyacrylate is high temperature resistant, the preparation method of high-temperature insulation pressure-sensitive stick and adhesive tape, it at first is by the synthetic pressure-sensitive gluing prepolymer of a kind of grafting interpenetrating(polymer)networks of solution polymerization, then obtains the silicone-modified polyacrylate pressure-sensitive adhesive by aftertreatment.
But still there are many deficiencies in above-mentioned disclosed patent of invention, for example because organosilane monomer very easily is hydrolyzed, condensation, in polymerization process, generate early stage crosslinking structure and cause the cohesion of system unstability, therefore seek the method that effectively suppresses the organosilane monomer hydrolysis, become a technical barrier in the organosilicon-modified acrylate emulsion polymerization process for preparing; Secondly, the emulsifying agent that generally contains 1%-2% in the acrylic emulsion pressure sensitive adhesive, the tensio-active agent of anionic and non-ionic type normally, the existence of these emulsifying agents bleaches the easy suction of pressure sensitive adhesive, the glue-line transparency and cohesive strength descend, and emulsifying agent also may move to and glued joint interface and there enrichment, cause that interfacial adhesion descends, especially water resistance descends, and therefore reduces the consumption of emulsifying agent or adopts special emulsifying agent can improve the pressure sensitive adhesive water tolerance; In addition, complex process, the cost of aforesaid method are higher, and obtain to exist in the organic silicon-acrylate system microphase-separated, cause the adhesiveproperties of such organosilicon-modified acrylate system not ideal enough, water tolerance and weathering resistance require also not up to standard, are difficult to industrial applications, need adopt several different methods for this reason, strengthen the consistency of organosilicon and polyacrylic ester component, to improve its adhesiveproperties.
Emulsion interpenetrating polymer networks (LIPN) is exactly the network structure that two kinds of blending emulsion polymer molecular chains mutually run through and form with each self-crosslinking of mode of chemical bond.When synthetic LIPN, normally adopt Multi-stage seed emulsion polymerization to carry out, at first synthetic cross-linking polymer emulsion as seed, then in seed emulsion, add another kind of monomer (or mix monomer), linking agent, initiator, in the situation that do not add the new emulsifier initiation reaction, make another monomer or mix monomer carry out polymerization and crosslinked on the surface of seed emulsion particle, thereby generate LIPN, therefore, LIPN generally has nucleocapsid structure.This material is bases of its excellent properties at tens phase separation structures to the hundreds of nanoscale space, has the organosilicon modified acrylic ester copolymer emulsion of inierpeneirating network structure, can be applicable to the high performance pressure sensitive field.
Summary of the invention
Problem to be solved by this invention is to overcome the defective of prior art, adopt the organosilicon modified acrylic ester copolymer emulsion of the synthetic a kind of polymerization-stable of emulsion interpenetrating polymer networks method, and then prepare the self-crosslinked interpenetrating net type organosilicon modified acrylic ester copolymer emulsion pressure sensitive adhesive of excellent combination property.
The preparation method of a kind of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive that the present invention proposes, concrete steps are as follows:
(1) soft monomer of 40 ~ 60 weight parts, the hard monomer of 80 ~ 90 weight parts, the particular monomers of 5 ~ 15 weight parts, the function monomer of 5 ~ 10 weight parts are mixed, and adding the reactive emulsifier of 0.5 ~ 1.5 weight part and the deionized water of 100 ~ 200 weight parts, pre-emulsification obtained pre-emulsion in 0.5 ~ 1.5 hour on high speed agitator;
(2) take by weighing respectively the initiator of 0.5 ~ 1.5 weight part and the deionized water of 5 ~ 15 weight parts, dissolve complete obtains initiator solution;
(3) take by weighing 1/10 ~ 1/4 of the middle pre-emulsion weight part of step (1); the pH adjusting agent of 1/4 ~ 1/2,0.5 ~ 1.5 weight part of initiator solution weight part adjusting pH is 7-8 in the step (2), adds in the reactor; logical nitrogen protection, the control temperature of reaction is 70 ~ 90
o
C, rotating speed is controlled at 100 ~ 600 rev/mins, after becoming little blue seed emulsion gradually, the material in the reactor begins to drip respectively residue pre-emulsion and initiator solution, approximately 20 ~ 80 droplets/minute of control rate of addition, the control time for adding is 2 ~ 4 hours, again in 80 ~ 90 ℃ of insulations 1 ~ 2 hour, obtain a kind of polyacrylic ester seed emulsion after dripping;
(4) in the polyacrylic ester seed emulsion that step (3) obtains, drip respectively simultaneously the organosilane monomer of 5 ~ 15 weight parts, the initiator of 0.1 ~ 0.5 weight part, the catalyzer of 0.1 ~ 0.5 weight part and the silane hydrolyzate inhibitor of 5 ~ 15 weight parts; logical nitrogen protection, the control temperature of reaction is 70 ~ 90
o
C, approximately 20 ~ 80 droplets/minute of control rate of addition, the control time for adding is 2 ~ 4 hours, be warming up to 80 ~ 90 ℃ after dropwising, be incubated 1 ~ 2 hour, be cooled to room temperature, add ammoniacal liquor and regulate the pH value 7 ~ 8, the linking agent that adds mixture weight 1～10% namely obtains a kind of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion after fully stirring;
(5) copolymer emulsion that step (4) is obtained is coated on the polyester film base material, and oven dry can obtain self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive.
Preferably, soft monomer in the described step (1) is one or more mixture in butyl acrylate, Isooctyl acrylate monomer and the decyl acrylate; Hard monomer in the described step (1) is one or more mixture in methyl methacrylate, vinylbenzene or the vinyl cyanide; Function monomer in the described step (1) is one or more the mixture in (methyl) Hydroxyethyl acrylate, (methyl) Propylene glycol monoacrylate, (methyl) glycidyl acrylate, n-methylolacrylamide, acrylamide, diacetone acrylamide, two amido ethyl-methyl acrylate, γ-(methacryloxypropyl) propyl trimethoxy silicane etc.; Particular monomers in the described step (1) is diacetone-acryloamide(DAA), N hydroxymethyl acrylamide, N, the mixture of one or more in N'-methylene-bisacrylamide, the two Methacrylamides of methylol; Reactive emulsifier in the described step (1) is one or more the mixture in 2-acrylamide-2-methyl propane sulfonic, acrylamido sodium isopropyl xanthate, methacrylic acid hydroxide sodium dimercaptosulphanatein, allyloxy hydroxypropyl azochlorosulfonate acid sodium, allyloxy polyoxyethylene nonylphenol ether ammonium sulfate, the allyloxy decyl polyoxyethylene ether ammonium sulfate.
Preferably, the initiator in described step (2) and (4) is one or more the mixture in tertbutyl peroxide, sodium formaldehyde sulphoxylate, hydrogen peroxide, Sodium Persulfate, Potassium Persulphate or the ammonium persulphate.
Preferably, pH adjusting agent in the described step (3) is one or more the mixture in SODIUM PHOSPHATE, MONOBASIC, primary ammonium phosphate, sodium hydrogen phosphate or the bicarbonate of ammonia.
Preferably, organosilane monomer in the described step (4) is one or more the mixture in γ-(methacryloxy) propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl group methyl dimethoxysilane, γ-(methacryloxy) propyl group dimethoxy chlorosilane, γ-(methacryloxy) propyl-triethoxysilicane, γ-(methacryloxy) propyl group three isopropoxy silane; Catalyzer described in the described step (4) is selected from one or more the mixture in diethylamine, triethylamine, diethanolamine or the trolamine; The silane hydrolyzate inhibitor is selected from one or more the mixture in ethylene glycol, propylene glycol, the butyleneglycol in the described step (4); Linking agent in the described step (4) is selected from acid amides and other aminated compounds, is one or more the mixture in succinic diamide, adipamide, black tropine, ethylenediamine tetraacetic acid (EDTA) (EDTA), succinyl hydrazine, adipic dihydrazide, the adipic dihydrazide.
A second aspect of the present invention, the self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive of protecting a kind of aforesaid method to prepare.
The preparation method of the self-crosslinked interpenetrating net type organosilicon modified acrylic ester copolymer emulsion pressure sensitive adhesive that the present invention proposes, the method is take 2-acrylamide-2-methyl propane sulfonic etc. as reactive emulsifier, Isooctyl acrylate monomer and/or butyl acrylate etc. are soft monomer, methyl methacrylates etc. are hard monomer, Hydroxyethyl acrylate and/or vinylformic acid etc. are function monomer, the two Methacrylamides of diacetone-acryloamide(DAA) and/or methylol etc. are particular monomers, at first synthesize a kind of polymer emulsion as seed, and then the method such as dropping technology and interpolation silane hydrolyzate inhibitor behind the employing organosilane monomer, in this seed emulsion, progressively add organosilane monomer, the silane hydrolyzate inhibitor, linking agent and catalyzer, initiation reaction, make organosilane monomer in the further polymerization and crosslinked of the surface of seed emulsion particle, and then prepare the self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive of excellent combination property.
Advantage of the present invention is: the difficult problems such as the 1. preparation method of a kind of self-crosslinked interpenetrating net type organosilicon modified acrylic ester copolymer emulsion pressure sensitive adhesive of the present invention, the method have solved preferably that the polymerization stability that causes because of organosilicon hydrolyzation reduces in reaction process, the water tolerance of organosilicon modified pressure-sensitive acrylate product and weathering resistance are poor; Polymerization stability is good, environmental protection, the advantage such as technique is simple and convenient, quality product is high, input-output ratio is high, with low cost and application prospect is extensive.
2. compare with common organosilicon modified acrylic ester copolymer emulsion pressure sensitive adhesive, utilize the consistency of the self-crosslinked interpenetrating net type organosilicon modified acrylic ester copolymer emulsion pressure sensitive adhesive that the present invention prepares good, aspect high temperature resistant, water tolerance and the weathering resistance obvious advantage being arranged, it is new generation of green environment-friendly and high-performance adhesive products.
3. the self-crosslinked interpenetrating net type organosilicon modified acrylic ester copolymer emulsion pressure sensitive adhesive that utilizes the present invention to prepare, its adhesive property and water resistance are excellent, industrial applications has a extensive future, and can be applicable to a plurality of fields such as vehicle, engineering machinery, metallurgy, industrial plants, aircraft, military applications.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the preparation flow figure of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for explanation the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Describe the present invention in detail below in conjunction with embodiment, should be appreciated that described herein giving an example only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
The butyl acrylate of 50 weight parts, the methyl methacrylate of 80 weight parts, the diacetone-acryloamide(DAA) of 9 weight parts, the Hydroxyethyl acrylate of 6 weight parts are mixed, and adding the 2-acrylamide-2-methyl propane sulfonic of 0.9 weight part and the deionized water of 150 weight parts, pre-emulsification obtained pre-emulsion in 1.0 hours on high speed agitator.Take by weighing respectively the Potassium Persulphate of 1.25 weight parts and the deionized water of 12.5 weight parts, dissolve complete obtains initiator solution.
Take by weighing 1/6 of above-mentioned pre-emulsion weight part, the sodium bicarbonate of 1/3,0.8 weight part of above-mentioned initiator solution weight part adds in the reactor, logical nitrogen protection, and the control temperature of reaction is 82
o
C, rotating speed is controlled at 300 rev/mins, after becoming little blue seed emulsion gradually, the material in the reactor begins to drip residue pre-emulsion and initiator solution, approximately 45 droplets/minute of control rate of addition, the control time for adding is 2.5 hours, again in 90 ℃ of insulations 1.5 hours, obtain a kind of polyacrylic ester seed emulsion after dripping.
In above-mentioned polyacrylic ester seed emulsion, drip 3-methacryloxypropyl trimethoxy silane, the Potassium Persulphate of 0.25 weight part, the diethanolamine of 0.15 weight part and the ethylene glycol of 10 weight parts of 12 weight parts; logical nitrogen protection, the control temperature of reaction is 82
o
C, approximately 35 droplets/minute of control rate of addition, the control time for adding is 3.5 hours, is warming up to 86 after dropwising
o
C is incubated 1.5 hours, is cooled to room temperature, adds ammoniacal liquor and regulates the pH value about 7.5, adds the adipic dihydrazide of mixture weight 2%, after fully stirring, obtains a kind of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion.
At last self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion obtained above being coated on the polyester film base material, is 90 in temperature
o
Dry 2-4h under the condition of C, namely obtain a kind of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure sensitive adhesive.
Embodiment 2
Identical with embodiment 1, but step (1) 2-acrylamide-2-methyl propane sulfonic replaces with the acrylamido sodium isopropyl xanthate, and other are constant.
Embodiment 3
Identical with embodiment 1, but step (1) 2-acrylamide-2-methyl propane sulfonic replaces with the allyloxy hydroxypropyl azochlorosulfonate acid sodium, and other are constant.
Embodiment 4
Identical with embodiment 1, but step (4) γ-(methacryloxy) propyl trimethoxy silicane replaces with γ-(methacryloxypropyl) propyl group methyl dimethoxysilane, and other are constant.
Embodiment 5
Identical with embodiment 1, but step (4) γ-(methacryloxy) propyl trimethoxy silicane replaces with γ-(methacryloxy) propyl group three isopropoxy silane, and other are constant.
Table 1 and table 2 are compatibility performance and the pressure-sensitive adhesive salient features of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion of the present invention.
The compatibility performance of table 1 self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion
| Embodiment | Self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion | Emulsion applicable time/the moon | T g/ oC | Consistency |
| 1 | Good water tolerance, weathering resistance and gloss retention | > 3 | 36 | Well |
| 2 | Good water tolerance, weathering resistance and gloss retention | > 3 | 35 | Well |
| 3 | Good water tolerance, weathering resistance and gloss retention | > 3 | 35 | Well |
| 4 | Good water tolerance, weathering resistance and gloss retention | > 3 | 33 | Well |
| 5 | Good water tolerance, weathering resistance and gloss retention | > 3 | 38 | Well |
The salient features of table 2 self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure sensitive adhesive
| Embodiment | 1 | 2 | 3 | 4 | 5 |
| Tack/(ball number) | 16 | 16 | 16 | 18 | 18 |
| Hold viscosity/h | > 96 | > 96 | > 96 | > 96 | > 96 |
| 180 oStripping strength/(kN/m) | 0.34 | 0.32 | 0.35 | 0.38 | 0.38 |
| Shearing resistance/MPa | 0.21 | 0.22 | 0.22 | 0.25 | 0.26 |
| Water tolerance/sky | > 18 | > 18 | > 18 | > 18 | > 18 |
| High temperature resistant temperature/℃ | 180 | 180 | 180 | 180 | 180 |
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (6)
1. the preparation method of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive comprises the steps:
(1) soft monomer of 40 ~ 60 weight parts, the hard monomer of 80 ~ 90 weight parts, the particular monomers of 5 ~ 15 weight parts, the function monomer of 5 ~ 10 weight parts are mixed, and adding the reactive emulsifier of 0.5 ~ 1.5 weight part and the deionized water of 100 ~ 200 weight parts, pre-emulsification obtained pre-emulsion in 0.5 ~ 1.5 hour on high speed agitator;
(2) take by weighing respectively the initiator of 0.5 ~ 1.5 weight part and the deionized water of 5 ~ 15 weight parts, dissolve complete obtains initiator solution;
(3) take by weighing 1/10 ~ 1/4 of the middle pre-emulsion weight part of step (1); the pH adjusting agent of 1/4 ~ 1/2,0.5 ~ 1.5 weight part of initiator solution weight part adjusting pH is 7-8 in the step (2), adds in the reactor; logical nitrogen protection, the control temperature of reaction is 70 ~ 90
oC, rotating speed is controlled at 100 ~ 600 rev/mins, after becoming little blue seed emulsion gradually, the material in the reactor begins to drip respectively residue pre-emulsion and initiator solution, approximately 20 ~ 80 droplets/minute of control rate of addition, the control time for adding is 2 ~ 4 hours, again in 80 ~ 90 ℃ of insulations 1 ~ 2 hour, obtain a kind of polyacrylic ester seed emulsion after dripping;
(4) in the polyacrylic ester seed emulsion that step (3) obtains, drip respectively simultaneously the organosilane monomer of 5 ~ 15 weight parts, the initiator of 0.1 ~ 0.5 weight part, the catalyzer of 0.1 ~ 0.5 weight part and the silane hydrolyzate inhibitor of 5 ~ 15 weight parts; logical nitrogen protection, the control temperature of reaction is 70 ~ 90
oC, approximately 20 ~ 80 droplets/minute of control rate of addition, the control time for adding is 2 ~ 4 hours, be warming up to 80 ~ 90 ℃ after dropwising, be incubated 1 ~ 2 hour, be cooled to room temperature, add ammoniacal liquor and regulate the pH value 7 ~ 8, the linking agent that adds mixture weight 1～10% namely obtains a kind of self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion after fully stirring;
(5) copolymer emulsion that step (4) is obtained is coated on the polyester film base material, and oven dry can obtain self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive.
2. preparation method according to claim 1 is characterized in that, soft monomer is selected from butyl acrylate, Isooctyl acrylate monomer and the decyl acrylate one or more mixture in the described step (1); Hard monomer is selected from methyl methacrylate, vinylbenzene or the vinyl cyanide one or more mixture in the described step (1); In the described step (1) function monomer be selected from (methyl) Hydroxyethyl acrylate, (methyl) Propylene glycol monoacrylate, (methyl) glycidyl acrylate, n-methylolacrylamide, acrylamide, diacetone acrylamide, two amido ethyl-methyl acrylate,
γThe mixture of one or more in-(methacryloxypropyl) propyl trimethoxy silicane etc.; Particular monomers is selected from diacetone-acryloamide(DAA), N hydroxymethyl acrylamide, N in the described step (1), the mixture of one or more in N'-methylene-bisacrylamide, the two Methacrylamides of methylol; Reactive emulsifier is selected from one or more the mixture in 2-acrylamide-2-methyl propane sulfonic, acrylamido sodium isopropyl xanthate, methacrylic acid hydroxide sodium dimercaptosulphanatein, allyloxy hydroxypropyl azochlorosulfonate acid sodium, allyloxy polyoxyethylene nonylphenol ether ammonium sulfate, the allyloxy decyl polyoxyethylene ether ammonium sulfate in the described step (1).
3. preparation method according to claim 1, it is characterized in that, the initiator in described step (2) and (4) is selected from one or more the mixture in tertbutyl peroxide, sodium formaldehyde sulphoxylate, hydrogen peroxide, Sodium Persulfate, Potassium Persulphate or the ammonium persulphate.
4. preparation method according to claim 1 is characterized in that, the pH adjusting agent in the described step (3) is selected from one or more the mixture in SODIUM PHOSPHATE, MONOBASIC, primary ammonium phosphate, sodium hydrogen phosphate or the bicarbonate of ammonia.
5. preparation method according to claim 1, it is characterized in that, organosilane monomer is selected from one or more the mixture in γ-(methacryloxy) propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl group methyl dimethoxysilane, γ-(methacryloxy) propyl group dimethoxy chlorosilane, γ-(methacryloxy) propyl-triethoxysilicane, γ-(methacryloxy) propyl group three isopropoxy silane in the described step (4); Catalyzer is selected from one or more the mixture in diethylamine, triethylamine, diethanolamine or the trolamine in the described step (4); The silane hydrolyzate inhibitor is selected from one or more the mixture in ethylene glycol, propylene glycol, the butyleneglycol in the described step (4); Linking agent in the described step (4) is selected from acid amides and other aminated compounds, is one or more the mixture in succinic diamide, adipamide, black tropine, ethylenediamine tetraacetic acid (EDTA) (EDTA), succinyl hydrazine, adipic dihydrazide, the adipic dihydrazide.
6. the self-crosslinked interpenetrating net type Silicone-Acrylic Copolymer Emulsion pressure-sensitive adhesive for preparing of described preparation method according to claim 1-5.
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