CN109438617A - Height with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive and preparation method thereof - Google Patents
Height with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive and preparation method thereof Download PDFInfo
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- 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
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety
- C07C273/1818—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety from -N=C=O and XNR'R"
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
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- 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
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
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- 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
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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Abstract
The invention discloses a kind of, and the height with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, rosin based tackifying monomer is reacted to obtain by 3- isopropenyl-dimethyl benzyl isocyanate and dehydroabietylamine, high just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive carries out emulsion polymerization by (methyl) acrylate monomer and rosin based tackifying monomer and obtains, the development of Acrylate Emulsion Pressure-Sensitive Adhesive of stickiness monomer synthesis have the characteristics that initial bonding strength is high, peel strength is medium, remove after adherend surface without residue glue.
Description
Technical field
The present invention relates to functional high molecule material field field more particularly to a kind of height with rosin based tackifying monomer
Just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive and preparation method thereof.
Background technique
Pressure sensitive adhesive only need when in use slight pressure can in a relatively short period of time with generated between viscous five it is relatively strong
Cohesive force, cohesive force is mainly Van der Waals force and non-bonding；Its main feature is that initial adhesion is easy, it is not difficult to remove and removes
Noresidue sicker afterwards, will not be solid in glue-line long-time, is commonly called as adhesive sticker.Pressure sensitive adhesive is at present in single-coated foam, gluing
Patch, all kinds of labels, protection label, surface protection film and medical industry have been obtained and its have been widely applied.
With the enhancing of people's environmental protection and awareness of safety, the use of traditional solvent-borne pressure sensitive adhesive is increasingly restricted.For
The highly desirable substitute for seeking solvent pressure-sensitive adhesive of this people, emulsion-type pressure-sensitive come into being.With solvent pressure-sensitive adhesive phase
Than emulsion-type Asia dummy does not contain ethyl acetate, benzene class organic solvent in use, has using the excellent of safe and non-toxic
Point, it is easier to prepare the lotion of high-solid-content and low-viscosity；It is ageing-resistant, colorless and transparent, viscous to have both pressure-sensitive acrylate simultaneously
The high advantage of knotting strength.
Currently, having, application No. is 201110403869.7 and 201711101742.3 patents in emulsion acrylate pressure
Aqueous rosin milk is added in quick glue or hydrogenated rosin carries out physical blending, so that the initial bonding strength of emulsion-type pressure-sensitive is improved,
But reduce holding power and peel strength, it is therefore necessary to which improving a kind of can balance initial bonding strength, holding power and peel strength three
Development of Acrylate Emulsion Pressure-Sensitive Adhesive without residue glue after kind performance and removing.
Summary of the invention
Shortcoming present in view of the above technology, present invention design have synthesized rosin based tackifying monomer, make it difficult to
3- isopropenyl-dimethyl benzyl isocyanate that autohemagglutination occurs is reacted with the dehydroabietylamine with amino, obtains energy and other
The rosin based tackifying monomer that conventional (methyl) acrylate monomer is copolymerized.The monomer can be with other conventional (methyl) propylene
Acid monomers carry out emulsion polymerization after being blended, and thus prepare height just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive.The emulsion-type Asia dummy is not
Tackifying resin is individually added again, and adherend surface after removing is avoided residue glue occur.
To achieve the above object, the present invention provides a kind of with the high just viscous emulsion acrylate of rosin based tackifying monomer
Pressure sensitive adhesive, each component has following metering according to mass percent in the pressure sensitive adhesive:
Butyl acrylate: 20-40%；
Isooctyl acrylate monomer: 2-12%；
Methyl methacrylate: 5-15%；
(methyl) acrylic acid hydrocarbyl carbonate: 0.01-5.0%；
Acrylic acid 0.01-3.0%；
Rosin based tackifying monomer: 0.01-5%；
Ammonium persulfate: 0.2-0.5%；
Sodium bicarbonate: 0.05-0.5%；
Anionic reactive type emulsifier: 0.2-0.5%；
Neutralizer: 0.2-1.0%；
Chain-transferring agent: 0.05-0.5%；
Deionized water: 40-50%.
Preferably, (methyl) the acrylic acid hydrocarbyl carbonate is acrylic acid -2- hydrocarbon ethyl ester, methacrylic acid -2- hydrocarbon second
Base ester, acrylic acid -2- hydrocarbon propyl diester, methacrylic acid -2- hydrocarbon propyl diester, 4- alkyl butyl propyleneglycol acid esters, 4- alkyl butyl first
The mixing of one or more of base acrylate and polyethylene glycol monomethacrylate.
Preferably, the anionic reactive type emulsifier is 1- allyloxy -3- (4- nonyl phenol) -2- propyl alcohol polyoxy
Ethylene (10) ether ammonium sulfate (DNS-86), 3- allyloxy -1- alkyl -1- propane sulfonic acid sodium (COPS-1) and 2- acrylamide
The mixing of one or more of base -2- methyl propane sulfonic acid sodium (COPS-2).
Preferably, the neutralizer is ammonium hydroxide, diethylamine, triethylamine, triethanolamine, N, N dimethyl ethanol amine and N,
The mixing of one or more of N- diethyl ethylene diamine.
Preferably, the chain-transferring agent is that lauryl mercaptan, mercaptoethanol, thioacetic acid, 3- mercaptopropionic acid are different pungent
The mixing of one or more of rouge.
Preferably, the rosin based tackifying monomer uses 3- isopropenyl-dimethyl benzyl isocyanate and dehydrogenation fir
Amine reacts to obtain.
A kind of system of first viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive of the height with rosin based tackifying monomer is also disclosed in the present invention
Preparation Method, the preparation method comprises the following steps:
S1: 100% (methyl) acrylate monomer, the anionic reactive type emulsifier of 60-80%, 50-70% are weighed
Ammonium persulfate, the deionized water of 40-60% and 100% chain-transferring agent, be added to emulsifying kettle emulsify 20-40 minutes, obtain pre-
Emulsion；
S2: by the deionized water of 30-50%, remaining anionic reactive emulsifier and remaining ammonium persulfate and
In 100% sodium bicarbonate investment reaction kettle, it is warming up to 74-76 DEG C, the pre-emulsion of 4-12% is added, in 74-76 DEG C of temperature
Lower reaction a period of time, remaining pre-emulsion is then added dropwise, the temperature of reaction kettle increases and is maintained at 78- during dropwise addition
83℃；
S3: after pre-emulsion is added dropwise, adding remaining deionized water, reaction temperature is increased to 84-87 DEG C, heat preservation
Cooling processing is carried out after 1-2 hours, is cooled to 30-50 DEG C, and neutralizer is added and adjusts pH, is then filtered again, discharges, finally
Obtain height just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive.
Preferably, in step s 2, remaining pre-emulsion needs being added dropwise and are added dropwise in 3-4 hours.
Preferably, in step s3, when pH is adjusted in addition neutralizer, pH is 7.0-8.0 after adjusting.
The beneficial effects of the present invention are: the present invention designs, synthesized rosin based tackifying monomer, make it difficult to occur autohemagglutination
3- isopropenyl-dimethyl benzyl isocyanate is reacted with the dehydroabietylamine with amino, and obtaining can be with other conventional (methyl)
The rosin based tackifying monomer that acrylate monomer is copolymerized.The monomer can be blended with other conventional (methyl) acrylic monomers
After carry out emulsion polymerization, thus preparing height, just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive, the emulsion-type Asia dummy no longer individually add
Tackifying resin avoids adherend surface after removing from residue glue occur.
Detailed description of the invention
Fig. 1 is the step flow chart of invention；
Fig. 2 is that rosin based tackifying monomer of the invention prepares equation；
Fig. 3 is the Contrast on effect table of the embodiment of the present invention and comparative example.
Specific embodiment
In order to more clearly state the present invention, the present invention is further described with reference to the accompanying drawing.
The purpose of the present invention is achieved through the following technical solutions:
Rosin based tackifying monomer the preparation method comprises the following steps: in round-bottomed flask be added 3- isopropenyl-dimethyl benzyl isocyanide
Acid esters and dehydroabietylamine, the two molar ratio are (1-1.1): 1, the wherein acetic acid second of dehydroabietylamine sole mass ratio 40-60%
Flask is added after ester solvent dissolution, is warming up to 65-85 DEG C in the case of stirring, lasting stirring, insulation reaction 2-4 hours
Afterwards, vacuum distillation removal solvent ethyl acetate is carried out at such a temperature, finally obtains yellowish thick liquid, and as abietyl is viscous
Property monomer, chemical equation are as follows:
Embodiment 1:
It weighs 0.11mol (22.1g) 3- isopropenyl-dimethyl benzyl isocyanate and round-bottomed flask is added, then weigh
0.1mol (28.6g) dehydroabietylamine carries out heat temperature raising with round-bottomed flask is added after the dissolution of 15g ethyl acetate under stiring
To 80 DEG C, lasting stirring carries out insulation reaction 3 hours at this temperature, then carries out vacuum distillation removing at this temperature
Ethyl acetate finally obtains the rosin based tackifying monomer of yellowish thick liquid nano.
Weigh butyl acrylate 12.5kg, acrylic acid isooctyl 3.5kg, methyl methacrylate 4.5kg, acrylic acid -2-
Hydroxyethyl ester 450g, methacrylic acid -2- hydroxyethyl ester 450g, acrylic acid 350g, rosin based tackifying monomer 750g, ammonium persulfate
175g, sodium bicarbonate 80g, anionic reactive type emulsifier DNS-86 175g, the ammonium hydroxide 310g that mass fraction is 25%, chain turn
Agent lauryl mercaptan 40g is moved, deionized water 20kg produces height just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive as lay-by material, adopts
It is produced with following step, the ratio in following steps is mass percent；
First by whole (methyl)-acrylic monomers in above-mentioned lay-by material, 70% anionic reactive type emulsifier,
The chain-transferring agent of 65% ammonium persulfate, 50% deionized water and whole is added in emulsifying kettle and emulsifies 30 minutes, obtains pre-emulsification
Liquid；
Then by 40% deionized water, 30% anionic reactive emulsifier, 35% ammonium persulfate and whole bicarbonate
Sodium is put into reaction kettle, is warming up to 75 DEG C, and 6% pre-emulsion is then added, and is reacted 30 minutes, is then added dropwise surplus at 75 DEG C
94% remaining pre-emulsion, the control of these pre-emulsions are added dropwise within 3.5 hours；During dropwise addition, reaction kettle
Temperature increases and is maintained at 81 DEG C；
After pre-emulsion is added dropwise, the deionized water of residue 10% is added in reaction kettle, is warming up to 85 DEG C, and
1.5 hours are kept the temperature at such a temperature, is then cooled to 40 DEG C, the pH value that ammonium hydroxide adjusts whole system is added, controls pH=7.5,
Then it is filtered, discharging just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive to get to high.
Embodiment two, i.e., best real-time proposals are as follows:
It weighs 0.15mol (30.2g) 3- isopropenyl-dimethyl benzyl isocyanate and round-bottomed flask is added, then weigh
0.15mol (43.0g) dehydroabietylamine is warming up to 80 with round-bottomed flask is added after the dissolution of 22g ethyl acetate under agitation
DEG C, lasting stirring after insulation reaction 3 hours, carries out vacuum distillation removal ethyl acetate solvent at this temperature, finally obtains micro-
Yellow viscous liquid, as rosin based tackifying monomer.
Weigh butyl acrylate 12.4kg, acrylic acid isooctyl 3.2kg, methyl methacrylate 4.8kg, acrylic acid -2-
Hydroxyethyl ester 500g, methacrylic acid -2- hydroxyethyl ester 400g, acrylic acid 300g, rosin based tackifying monomer 900g, ammonium persulfate
175g, sodium bicarbonate 85g, anionic reactive type emulsifier DNS-86 120g, COPS-2 60g, the ammonia that mass fraction is 25%
Water 350g, chain-transferring agent lauryl mercaptan 35g, deionized water 20kg produce height just viscous emulsion acrylic as lay-by material
Ester pressure-sensitive is produced using following step, and the ratio in following steps is mass percent；
First by whole (methyl)-acrylic monomers in above-mentioned lay-by material, 70% anionic reactive type emulsifier,
The chain-transferring agent of 65% ammonium persulfate, 50% deionized water and whole is added in emulsifying kettle and emulsifies 30 minutes, obtains pre-emulsification
Liquid；
Then by 40% deionized water, 30% anionic reactive emulsifier, 35% ammonium persulfate and whole bicarbonate
Sodium is put into reaction kettle, is warming up to 75 DEG C, and 7% pre-emulsion is then added, and is reacted 30 minutes, is then added dropwise surplus at 75 DEG C
93% remaining pre-emulsion, the control of these pre-emulsions are added dropwise within 3.5 hours；During dropwise addition, reaction kettle
Temperature increases and is maintained at 82 DEG C；
After pre-emulsion is added dropwise, the deionized water of residue 10% is added in reaction kettle, is warming up to 85 DEG C, and
1.5 hours are kept the temperature at such a temperature, is then cooled to 40 DEG C, the pH value that ammonium hydroxide adjusts whole system is added, controls pH=7.5,
Then it is filtered, discharging just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive to get to high.
Embodiment three:
It weighs 0.22mol (44.3g) 3- isopropenyl-dimethyl benzyl isocyanate and round-bottomed flask is added, then weigh
0.2mol (57.3g) dehydroabietylamine is warming up to 80 with round-bottomed flask is added after the dissolution of 30g ethyl acetate under agitation
DEG C, lasting stirring after insulation reaction 3 hours, carries out vacuum distillation removal ethyl acetate solvent at this temperature, finally obtains micro-
Yellow viscous liquid, as rosin based tackifying monomer.
Weigh butyl acrylate 13.2kg, acrylic acid isooctyl 3.3kg, methyl methacrylate 4.0kg, acrylic acid -2-
Hydroxyethyl ester 550g, methacrylic acid -2- hydroxyethyl ester 450g, acrylic acid 250g, rosin based tackifying monomer 750g, ammonium persulfate
175g, sodium bicarbonate 80g, anionic reactive type emulsifier DNS-86 175g, the ammonium hydroxide 280g that mass fraction is 25%, chain turn
Agent lauryl mercaptan 36g is moved, deionized water 20kg produces height just viscous development of Acrylate Emulsion Pressure-Sensitive Adhesive as lay-by material, adopts
It is produced with following step, the ratio in following steps is mass percent；
First by whole (methyl)-acrylic monomers in above-mentioned lay-by material, 70% anionic reactive type emulsifier,
The chain-transferring agent of 65% ammonium persulfate, 50% deionized water and whole is added in emulsifying kettle and emulsifies 30 minutes, obtains pre-emulsification
Liquid；
Then by 40% deionized water, 30% anionic reactive emulsifier, 35% ammonium persulfate and whole bicarbonate
Sodium is put into reaction kettle, is warming up to 75 DEG C, and 8% pre-emulsion is then added, and is reacted 30 minutes, is then added dropwise surplus at 75 DEG C
92% remaining pre-emulsion, the control of these pre-emulsions are added dropwise within 3.5 hours；During dropwise addition, reaction kettle
Temperature increases and is maintained at 80 DEG C；
After pre-emulsion is added dropwise, the deionized water of residue 10% is added in reaction kettle, is warming up to 84 DEG C, and
1.5 hours are kept the temperature at such a temperature, is then cooled to 40 DEG C, the pH value that ammonium hydroxide adjusts whole system is added, controls pH=7.5,
Then it is filtered, discharging just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive to get to high.
In order to as a comparison, not add sticky monomer with above-described embodiment, cream is carried out using (methyl) acrylate monomer
Liquid polymerize to obtain development of Acrylate Emulsion Pressure-Sensitive Adhesive.
Comparative example one
Development of Acrylate Emulsion Pressure-Sensitive Adhesive, it is newborn in a kettle by a variety of (methyl) acrylate monomers and other raw materials
Liquid polymerize and prepares, and each group distribution ratio is as follows by mass: butyl acrylate 12.4kg, Isooctyl acrylate monomer 3.2kg,
Methyl methacrylate 4.8kg, 2-hydroxyethyl acrylate 700g, methacrylic acid -2- hydroxyethyl ester 600g, acrylic acid
600g, ammonium persulfate 175g, sodium bicarbonate 85g, anionic reactive type emulsifier DNS-86 120g, COPS-2 60g, quality point
The ammonium hydroxide 350g, chain-transferring agent lauryl mercaptan 35g that number is 25%；Deionized water 20kg；
The preparation of development of Acrylate Emulsion Pressure-Sensitive Adhesive includes the following steps that ratio as described below is mass percent:
Weigh whole (methyl) acrylate monomers, 70% anionic reactive type emulsifier, 65% ammonium persulfate, 50%
Deionized water and whole chain-transferring agents, are added emulsifying kettle and emulsify 30 minutes, obtain pre-emulsion；
By the bicarbonate of 40% deionized water, 30% anionic reactive type emulsifier, 35% ammonium persulfate and whole
Ammonium is put into reaction kettle, is warming up to 75 DEG C, and 7% pre-emulsion is added, and reacts 30 minutes at 75 DEG C, remaining pre- cream is then added dropwise
Change liquid, pre-emulsion is added dropwise in 3.5 hours, and temperature of reaction kettle increases and is maintained at 82 DEG C during dropwise addition；
After pre-emulsion is added dropwise, remaining 10% deionized water is added, reaction temperature is increased to 85 DEG C, and at this
At a temperature of keep the temperature 1.5 hours, be then cooled to 40 DEG C, be added ammonia water conditioning system pH value be 7.5, then filter, discharge, obtain
To development of Acrylate Emulsion Pressure-Sensitive Adhesive.
Comparative example two
Compared with above-described embodiment, sticky monomer no longer added in comparative example, with (methyl) acrylate monomer into
Row emulsion polymerization obtains development of Acrylate Emulsion Pressure-Sensitive Adhesive, and the solid content that lotion gross mass 10% is added in pressure sensitive adhesive is 53%
Aqueous rosin Tackified emulsion (RE-8288).
Development of Acrylate Emulsion Pressure-Sensitive Adhesive, it is newborn in a kettle by a variety of (methyl) acrylate monomers and other raw materials
Liquid polymerize and prepares, and each group distribution ratio is as follows by mass: butyl acrylate 12.4kg, Isooctyl acrylate monomer 3.2kg,
Methyl methacrylate 4.8kg, 2-hydroxyethyl acrylate 700g, methacrylic acid -2- hydroxyethyl ester 600g, acrylic acid
600g, ammonium persulfate 175g, sodium bicarbonate 85g, anionic reactive type emulsifier DNS-86 120g, COPS-2 60g, quality point
The ammonium hydroxide 350g, chain-transferring agent lauryl mercaptan 35g that number is 25%；Deionized water 20kg；
The preparation of development of Acrylate Emulsion Pressure-Sensitive Adhesive includes the following steps that ratio as described below is mass percent:
Weigh whole (methyl) acrylate monomers, 70% anionic reactive type emulsifier, 65% ammonium persulfate, 50%
Deionized water and whole chain-transferring agents, are added emulsifying kettle and emulsify 30 minutes, obtain pre-emulsion；
By the bicarbonate of 40% deionized water, 30% anionic reactive type emulsifier, 35% ammonium persulfate and whole
Ammonium is put into reaction kettle, is warming up to 75 DEG C, and 7% pre-emulsion is added, and reacts 30 minutes at 75 DEG C, remaining pre- cream is then added dropwise
Change liquid, pre-emulsion is added dropwise in 3.5 hours, and temperature of reaction kettle increases and is maintained at 82 DEG C during dropwise addition；
After pre-emulsion is added dropwise, remaining 10% deionized water is added, reaction temperature is increased to 85 DEG C, and at this
At a temperature of keep the temperature 1.5 hours, be then cooled to 40 DEG C, be added ammonia water conditioning system pH value be 7.5, then heat the total matter of lotion
The solid content of amount 10% is 53% aqueous rosin Tackified emulsion (RE-8288), is filtered after mixing evenly, is discharged, and it is just viscous to obtain height
Development of Acrylate Emulsion Pressure-Sensitive Adhesive.
Finally the pressure sensitive adhesive obtained in above-mentioned all embodiment and comparative examples is coated with bar respectively thin with the PET of 25um
On film base material, for the drying adhesive layer of coating with a thickness of 25 ± 2um, experiment template is stainless steel plate, specimen width 25mm.From table
We can clearly learn, using the scheme taken in the embodiment of the present application, either still from initial bonding strength, peel strength
Residue glue after removing is remaining, and technical effect achieved is substantially better than comparative example.
Disclosed above is only several specific embodiments of the invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think variation, such as be modified or replaced equivalently and do not fall off technical side of the invention
Case should all fall into protection scope of the present invention.
Claims (9)
1. a kind of height with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, which is characterized in that described pressure-sensitive
Each component has following metering according to mass percent in glue:
Butyl acrylate: 20-40%；
Isooctyl acrylate monomer: 2-12%；
Methyl methacrylate: 5-15%；
(methyl) acrylic acid hydrocarbyl carbonate: 0.01-5.0%;
Acrylic acid 0.01-3.0%；
Rosin based tackifying monomer: 0.01-5%；
Ammonium persulfate: 0.2-0.5%；
Sodium bicarbonate: 0.05-0.5%；
Anionic reactive type emulsifier: 0.2-0.5%；
Neutralizer: 0.2-1.0%；
Chain-transferring agent: 0.05-0.5%；
Deionized water: 40-50%.
2. the height according to claim 1 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, special
Sign is that (methyl) the acrylic acid hydrocarbyl carbonate is acrylic acid -2- hydrocarbon ethyl ester, methacrylic acid -2- hydrocarbon ethyl ester, propylene
Acid -2- hydrocarbon propyl diester, methacrylic acid -2- hydrocarbon propyl diester, 4- alkyl butyl propyleneglycol acid esters, 4- alkyl butyl methyl acrylate
With the mixing of one or more of polyethylene glycol monomethacrylate.
3. the height according to claim 1 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, special
Sign is that the anionic reactive type emulsifier is 1- allyloxy -3-(4- nonyl phenol) -2- propyl alcohol polyoxyethylene (10) ether
Ammonium sulfate (DNS-86), 3- allyloxy -1- alkyl -1- propane sulfonic acid sodium (COPS-1) and 2- acrylamido -2- methyl-prop
The mixing of one or more of sodium sulfonate (COPS-2).
4. the height according to claim 1 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, special
Sign is, the neutralizer is ammonium hydroxide, diethylamine, triethylamine, triethanolamine, N, N dimethyl ethanol amine and N, N- diethyl second
The mixing of one or more of hydramine.
5. the height according to claim 1 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, special
Sign is that the chain-transferring agent is one of lauryl mercaptan, mercaptoethanol, thioacetic acid, 3- mercaptopropionic acid isooctyl
Or several mixing.
6. the height according to claim 1 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive, special
Sign is that the rosin based tackifying monomer reacts to obtain using 3- isopropenyl-dimethyl benzyl isocyanate and dehydroabietylamine.
7. a kind of height with rosin based tackifying monomer just glues the preparation method of development of Acrylate Emulsion Pressure-Sensitive Adhesive, feature exists
In the preparation method comprises the following steps:
S1: weigh 100%(methyl) acrylate monomer, the anionic reactive type emulsifier of 60-80%, 50-70% persulfuric acid
Ammonium, the deionized water of 40-60% and 100% chain-transferring agent, be added to emulsifying kettle emulsify 20-40 minutes, obtain pre-emulsion；
S2: by the deionized water of 30-50%, remaining anionic reactive emulsifier and remaining ammonium persulfate and 100% carbon
In sour hydrogen sodium investment reaction kettle, it is warming up to 74-76 DEG C, the pre-emulsion of 4-12% is added, one section is reacted at a temperature of 74-76 DEG C
Then remaining pre-emulsion is added dropwise in time, the temperature of reaction kettle increases and is maintained at 78-83 DEG C during dropwise addition；
S3: after pre-emulsion is added dropwise, adding remaining deionized water, and reaction temperature is increased to 84-87 DEG C, keeps the temperature 1-2
Cooling processing is carried out after hour, is cooled to 30-50 DEG C, neutralizer is added and adjusts pH, is then filtered again, discharges, final
Development of Acrylate Emulsion Pressure-Sensitive Adhesive is just glued to height.
8. the preparation that the height according to claim 7 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive
Method, which is characterized in that in step s 2, remaining pre-emulsion needs are added dropwise and are added dropwise in 3-4 hours.
9. the preparation that the height according to claim 7 with rosin based tackifying monomer just glues development of Acrylate Emulsion Pressure-Sensitive Adhesive
Method, which is characterized in that in step s3, when pH is adjusted in addition neutralizer, pH is 7.0-8.0 after adjusting.
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