CN103102851A - Multifunctional water-based vacuum aluminizer composite adhesive and preparation method thereof - Google Patents
Multifunctional water-based vacuum aluminizer composite adhesive and preparation method thereof Download PDFInfo
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- CN103102851A CN103102851A CN2012105567584A CN201210556758A CN103102851A CN 103102851 A CN103102851 A CN 103102851A CN 2012105567584 A CN2012105567584 A CN 2012105567584A CN 201210556758 A CN201210556758 A CN 201210556758A CN 103102851 A CN103102851 A CN 103102851A
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Abstract
The invention discloses a multifunctional water-based vacuum aluminizer composite adhesive and a preparation method thereof. The multifunctional water-based vacuum aluminizer composite adhesive is polymerized from the following raw materials: hard monomers, flexible monomers, functional monomers, a composite emulsifying agent, a pH buffering agent, an initiator, functional auxiliaries, a viscosity regulator and deionized water. The invention further provides the preparation method of the water-based vacuum aluminizer composite adhesive. As the multifunctional water-based vacuum aluminizer composite adhesive disclosed by the invention adopts an aqueous medium, the multifunctional water-based vacuum aluminizer composite adhesive has no pollution and can eliminate the harm of a toxic organic solvent to the bodies of production and using staff; furthermore, the system generates no formaldehyde and can completely meet the requirements of food and tobacco industries; a nano-scale translucent water-based adhesive can be prepared through free radical emulsion polymerization reaction of a special process, the leveling property is good, a film is easy to form, the planeness of the dry film is good, and the bonding force with a base material is excellent; by introducing functional hydroxyl and carboxyl groups, the bonding force and the folding resistance with the base material can be greatly improved; and by adding various aqueous auxiliaries, the good leveling property can be achieved and the planeness in compounding is improved.
Description
Technical field
The invention belongs to cold subsides paper-plastic lamination adhesive field, relate in particular to a kind of multifunctional water-base vacuum PET (polyethylene terephthalate, hereinafter to be referred as PET) or BOPP (BiOriented Polypropylene Films is hereinafter referred to as BOPP) aluminium plating film composite gum and preparation method thereof.
Background technology
The Al metallizing Fool wrapping material are wrapping material of a kind of top grade, are widely used in the fineness packing of the products such as cigarette, wine, bottle sticker, tealeaves, food, makeup, daily use chemicals, general merchandise, gift, artwork.Water-based aluminium plating film and cardboard composite adhesive (being commonly called as composite gum) are for aluminium plating film (BOPP or PET aluminium plating film) and the compound tackiness agent of paperboard, typical process is compound with the paperboard wet type after for the face gluing of aluminizing, and the drying operation can the Al metallizing Fool wrapping material.
Along with the raising of people's living standard and the enhancing of environmental consciousness, once in the highest flight solvent-borne type composite gum was made solvent because it adopts toluene, dimethylbenzene and ethyl acetate etc., its toxicity and safety in utilization problem become increasingly conspicuous, and will be eliminated by market gradually; Simultaneously, the aq. type composite gum meets the requirement of current low-carbon environment-friendly with water as medium, has been trend of the times so the water-based composite gum progressively replaces the solvent-borne type composite gum.
Yet, although the production marketing of existing water-based composite gum in the market, also exist in actual applications as inadequate in cohesive strength, folding resistance is poor, poor flatness and the defective such as crease easily.
Summary of the invention
The object of the invention is to overcome the defective of prior art and provide a kind of multifunctional water-base vacuum aluminum-coated composite gum, the vacuum aluminum-coated composite gum of this multifunctional water-base is the translucent water-based adhesive of reached at nano level that the free-radical emulsion polymerization reaction by special warfare prepares, levelling is good, easy film forming, the dry film planeness is good, with base material, excellent cohesive force is arranged.
Another object of the present invention is to provide the preparation method of the vacuum aluminum-coated composite gum of a kind of multifunctional water-base.
The object of the present invention is achieved like this:
A kind of multifunctional water-base Al metallizing Fool composite gum of the present invention is to be formed by following polymerizable raw material: hard monomer, soft monomer, functional monomer, compound emulsifying agent, pH buffer reagent, initiator, functional aid, viscosity modifier and deionized water, wherein,
Described hard monomer is at least a in vinylbenzene and methyl methacrylate;
Described soft monomer is at least a in butyl acrylate, ethyl propenoate and Isooctyl acrylate monomer;
Described functional monomer is at least a in vinylformic acid, methacrylic acid, Hydroxyethyl acrylate and hydroxyethyl methylacrylate;
Described compound emulsifying agent is phenolic ether sulphate and alkylphenol polyoxyethylene 2.7: 7.3 composite making in mass ratio;
Described pH buffer reagent is bicarbonate of ammonia or sodium bicarbonate;
Described initiator is persulphate;
Described functional aid comprises aqueous wetting agent and water-based defoamer;
Described viscosity modifier is ammoniacal liquor.
Above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, described aqueous wetting agent is OT-75, described water-based defoamer is aqueous mineral oil or organic silicon modified by polyether.
Above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, the parts by weight of described raw material are as follows:
Above-mentioned raw materials is the commercially available prod.
The present invention also provides a kind of preparation method of multifunctional water-base Al metallizing Fool composite gum, comprises the following steps:
A, the compound emulsifying agent with quantitative, hard monomer, soft monomer, functional monomer and deionized water add in the pre-emulsification still, obtain pre-emulsion after stirring, weigh wherein 5% to be made as rebasing seed reaction solution standby;
B, with quantitative compound emulsifying agent, the pH buffer reagent, deionized water joins in polymerization reaction kettle, stir and be warming up to 82 ℃, drop into the rebasing seed reaction solution that weighs up in steps A, added initiator for reaction 70 minutes, and toward the continuous deionized water that adds of polymerization reaction kettle, slow cooling is until 55 ℃, control temperature and polymerization reaction kettle is vacuumized 2 hours under the condition of 55～60 ℃, be warming up to again 80 ℃, the pre-emulsion of residual content in steps A is added polymerization reaction kettle by the mode that drips, time for adding 15.0～16.0 hours, and control temperature at 80～85 ℃, continue to control temperature after drip finishing 80～85 ℃ of insulation reaction 2 hours, cool to again 40～50 ℃,
C, adding functional aid, is 100-250mpa.s with the viscosity modifier adjusting viscosity, continues to be cooled to below 45 ℃, and regulating solid content with deionized water is 42%, filters and packages discharging with 500 order filter bags.
The preparation method of above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, the stirring rake of the still of pre-emulsification described in steps A is for opening curved blade type, and the number of blade is 5 leaves, its diameter and pre-emulsification still diameter ratio are 0.76, and its blade diameter is 4.5 with the ratio of depth of blade.
The preparation method of above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, the mixing speed in steps A is controlled at 550 rev/mins, and churning time is 120 minutes.
The preparation method of above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, the electrical conductivity of water of deionization described in steps A is controlled at 10 μ s/cm～20 μ s/cm.
The preparation method of above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, the vacuum keep when in step B, polymerization reaction kettle vacuumizes is at 80 mmhg.
The preparation method of above-mentioned a kind of multifunctional water-base Al metallizing Fool composite gum, wherein, step C medium viscosity conditioning agent is ammoniacal liquor, wherein NH
3Content be controlled at 5-8%, described deionized water specific conductivity is controlled at 100 μ s/cm～200 μ s/cm.
Compared with prior art, the invention has the beneficial effects as follows: pollution-free owing to adopting aqueous medium, eliminate production, user of service and be subject to harmful organic solvent to the harm of health, and the formaldehydeless generation of system, can satisfy the requirement of food and tobacco industry fully; The inventive method is prepared by the free-radical emulsion polymerization reaction of special warfare can reach the translucent water-based adhesive of nano level, and levelling is good, easy film forming, and the dry film planeness is good, and base material has excellent cohesive force; Can greatly improve cohesive force and folding resistance with base material by introducing functional hydroxyl and carboxyl, good by adding various aqueous promoters can reach levelling, improve compound planeness.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
deionized water with 340 weight parts, the compound emulsifying agent of 18 weight parts (alkylphenol polyoxyethylene of the phenolic ether sulphate of 4.86 weight parts and 13.14 weight parts), the functional monomer of 50 weight parts (comprising the vinylformic acid of 30 weight parts and the Hydroxyethyl acrylate of 20 weight parts), the soft monomer of 800 weight parts (butyl acrylate), the hard monomer of 150 weight parts (vinylbenzene) joins in the pre-emulsification still and stirred (rotating speed is 550rpm) 120 minutes, after being made into pre-emulsion, the pre-emulsion that takes 67.9 weight parts is standby as rebasing seed reaction solution,
deionized water with 500 weight parts, the pH buffer reagent (bicarbonate of ammonia) of 22 weight parts, the compound emulsifying agent of 18 weight parts (alkylphenol polyoxyethylene of the phenolic ether sulphate of 4.86 weight parts and 13.14 weight parts) joins and is warming up to 82 ℃ in polymerization reaction kettle, drop into the rebasing seed reaction solution of 67.9 weight parts, the initiator (massfraction is 50% ammonium persulfate aqueous solution) that adds 60 weight parts, reacted 70 minutes, and continue to add 100 parts by weight of deionized water in polymerization reaction kettle, slow cooling to 55 ℃, control temperature and vacuumize 2 hours (pressure 80 mmhg) under 55～60 ℃, be warming up to 80 ℃ after vacuumizing end, and begin to drip remaining pre-emulsion, dropping temperature is controlled at 80～85 ℃, time for adding is 15 hours,
After dropwising, maintain the temperature at 80～85 ℃ and continue reaction 2 hours, be cooled to 45 ℃;
Add the functional aid of 40 weight parts (wherein: the mineral oil of the OT-75 of 20 weight parts, 20 weight parts), drip ammoniacal liquor (NH
3Content be controlled at 5-8%) to adjust viscosity be 170 ± 10mpa.s, treats that temperature is down to 40 ℃, regulating solid content with deionized water is 42%, filters and packages with 500 order filter bags.
In the present embodiment, the stirring rake of pre-emulsification still is for opening curved blade type, and the number of blade is 5 leaves, and its diameter and pre-emulsification still diameter ratio are 0.76, and its blade diameter is 4.5 with the ratio of depth of blade
The multifunctional water-base Al metallizing Fool composite gum that the present embodiment prepares, its properties is as follows: milky white colour band blue light aqueous dispersion, not stratified, without precipitation, without skinning, be uniform state after stirring; Viscosity: 170 ± 10mpa.s; PH value: 7 ± 1; Solid content: 42%.
Embodiment 2
deionized water with 340 weight parts, the compound emulsifying agent of 18 weight parts (alkylphenol polyoxyethylene of the phenolic ether sulphate of 4.86 weight parts and 13.14 weight parts), the functional monomer of 50 weight parts (comprising the vinylformic acid of 30 weight parts and the Hydroxyethyl acrylate of 20 weight parts), the soft monomer of 850 weight parts (butyl acrylate), the hard monomer of 100 weight parts (methyl methacrylate) joins in the pre-emulsification still and stirred (rotating speed is 550rpm) 120 minutes, after being made into pre-emulsion, the pre-emulsion that takes 67.9 weight parts is standby as rebasing seed reaction solution,
deionized water with 500 weight parts, the pH buffer reagent (sodium bicarbonate) of 22 weight parts, the compound emulsifying agent of 18 weight parts (alkylphenol polyoxyethylene of the phenolic ether sulphate of 4.86 weight parts and 13.14 weight parts) joins and is warming up to 82 ℃ in reactor, drop into the rebasing seed reaction solution of 67.9 weight parts, the initiator (massfraction is 50% ammonium persulfate aqueous solution) that adds 60 weight parts, reacted 70 minutes, and continue to add 100 parts by weight of deionized water in polymerization reaction kettle, slow cooling to 55 ℃, control temperature and vacuumize 2 hours (pressure 80 mmhg) under 55～60 ℃, be warming up to 80 ℃ after vacuumizing end, and begin to drip remaining pre-emulsion, dropping temperature is controlled at 80～85 ℃, time for adding is 16.0 hours,
After dropwising, maintain the temperature at 80～85 ℃ and continue reaction 2 hours, be cooled to 45 ℃;
Add the functional aid of 50 weight parts (wherein: the mineral oil of the OT-75 of 25 weight parts, 25 weight parts), drip ammoniacal liquor (NH
3Content be controlled at 5-8%) to adjust viscosity be 170 ± 20mpa.s, treats that temperature is down to 35 ℃, regulating solid content with deionized water is 42%, filters and packages with 500 order filter bags.
The multifunctional water-base Al metallizing Fool composite gum that the present embodiment prepares, its properties is as follows: milky white colour band blue light aqueous dispersion, not stratified, without precipitation, without skinning, be uniform state after stirring; Viscosity: 170 ± 20mpa.s; PH value: 7 ± 1; Solid content: 42%.
Above embodiment is only for explanation the present invention's, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (9)
1. multifunctional water-base Al metallizing Fool composite gum, it is characterized in that, to be formed by following polymerizable raw material: hard monomer, soft monomer, functional monomer, compound emulsifying agent, pH buffer reagent, initiator, functional aid, viscosity modifier and deionized water, wherein
Described hard monomer is at least a in vinylbenzene and methyl methacrylate;
Described soft monomer is at least a in butyl acrylate, ethyl propenoate and Isooctyl acrylate monomer;
Described functional monomer is at least a in vinylformic acid, methacrylic acid, Hydroxyethyl acrylate and hydroxyethyl methylacrylate;
Described compound emulsifying agent is phenolic ether sulphate and alkylphenol polyoxyethylene 2.7: 7.3 composite making in mass ratio;
Described pH buffer reagent is bicarbonate of ammonia or sodium bicarbonate;
Described initiator is persulphate;
Described functional aid comprises aqueous wetting agent and water-based defoamer;
Described viscosity modifier is ammoniacal liquor.
2. a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 1, is characterized in that, described aqueous wetting agent is OT-75, and described water-based defoamer is aqueous mineral oil or organic silicon modified by polyether.
3. a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 1 or 2, is characterized in that, the parts by weight of described raw material are as follows:
4. the preparation method of a multifunctional water-base Al metallizing Fool composite gum as claimed in claim 1, is characterized in that, comprises the following steps:
A, the compound emulsifying agent with quantitative, hard monomer, soft monomer, functional monomer and deionized water add in the pre-emulsification still, obtain pre-emulsion after stirring, weigh wherein 5% to be made as rebasing seed reaction solution standby;
B, with quantitative compound emulsifying agent, the pH buffer reagent, deionized water joins in polymerization reaction kettle, stir and be warming up to 82 ℃, drop into the rebasing seed reaction solution that weighs up in steps A, added initiator for reaction 70 minutes, and toward the continuous deionized water that adds of polymerization reaction kettle, slow cooling is until 55 ℃, control temperature and polymerization reaction kettle is vacuumized 2 hours under the condition of 55～60 ℃, be warming up to again 80 ℃, the pre-emulsion of residual content in steps A is added polymerization reaction kettle by the mode that drips, time for adding 15.0～16.0 hours, and control temperature at 80～85 ℃, continue to control temperature after drip finishing 80～85 ℃ of insulation reaction 2 hours, cool to again 40～50 ℃,
C, adding functional aid, is 100-250mpa.s with the viscosity modifier adjusting viscosity, continues to be cooled to below 45 ℃, and regulating solid content with deionized water is 42%, filters and packages discharging with 500 order filter bags.
5. the preparation method of a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 4, it is characterized in that, the stirring rake of the still of pre-emulsification described in steps A is for opening curved blade type, the number of blade is 5 leaves, its diameter and pre-emulsification still diameter ratio are 0.76, and its blade diameter is 4.5 with the ratio of depth of blade.
6. the preparation method of a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 4,, it is characterized in that, the mixing speed in steps A is controlled at 550 rev/mins, and churning time is 120 minutes.
7. the preparation method of a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 4,, it is characterized in that, the electrical conductivity of water of deionization described in steps A is controlled at 10 μ s/cm～20 μ s/cm.
8. the preparation method of a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 4,, it is characterized in that, the vacuum keep when in step B, polymerization reaction kettle vacuumizes is at 80 mmhg.
9. the preparation method of a kind of multifunctional water-base Al metallizing Fool composite gum as claimed in claim 4,, it is characterized in that, step C medium viscosity conditioning agent is ammoniacal liquor, wherein NH
3Content be controlled at 5-8%, described deionized water specific conductivity is controlled at 100 μ s/cm～200 μ s/cm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103320063A (en) * | 2013-05-19 | 2013-09-25 | 海南必凯水性涂料有限公司 | Preprocessing aqueous adhesive for vacuum aluminizing film substrates and preparation method of preprocessing aqueous adhesive |
| CN104497893A (en) * | 2014-12-15 | 2015-04-08 | 汕头市信达彩印包装材料有限公司 | Production method of aluminized inner liner paper and special glue used in production method |
| CN106046243A (en) * | 2016-08-02 | 2016-10-26 | 常熟巴德富科技有限公司 | Environment-friendly high-solid-content PVC (Polyvinyl Chloride) floor glue emulsion and preparation method thereof |
| CN106478863A (en) * | 2016-11-18 | 2017-03-08 | 北京京都大成新材料科技有限公司 | The composite membrane preparation method of environment-friendly type aqueous acrylic acid ester emulsion |
| CN107722886A (en) * | 2017-11-08 | 2018-02-23 | 湖北中烟工业有限责任公司 | A kind of cigarette transfer paper Aqueous Adhesives of anti-folding venting and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320063A (en) * | 2013-05-19 | 2013-09-25 | 海南必凯水性涂料有限公司 | Preprocessing aqueous adhesive for vacuum aluminizing film substrates and preparation method of preprocessing aqueous adhesive |
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| CN104497893A (en) * | 2014-12-15 | 2015-04-08 | 汕头市信达彩印包装材料有限公司 | Production method of aluminized inner liner paper and special glue used in production method |
| CN106046243A (en) * | 2016-08-02 | 2016-10-26 | 常熟巴德富科技有限公司 | Environment-friendly high-solid-content PVC (Polyvinyl Chloride) floor glue emulsion and preparation method thereof |
| CN106478863A (en) * | 2016-11-18 | 2017-03-08 | 北京京都大成新材料科技有限公司 | The composite membrane preparation method of environment-friendly type aqueous acrylic acid ester emulsion |
| CN107722886A (en) * | 2017-11-08 | 2018-02-23 | 湖北中烟工业有限责任公司 | A kind of cigarette transfer paper Aqueous Adhesives of anti-folding venting and preparation method thereof |
| CN107722886B (en) * | 2017-11-08 | 2019-08-02 | 湖北中烟工业有限责任公司 | A kind of cigarette transfer paper Aqueous Adhesives and preparation method thereof of anti-folding venting |
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Application publication date: 20130515 |