CN104231979A - Auto-agglutination low-residue single vinegar C-type water-based packaging glue and preparation method thereof - Google Patents
Auto-agglutination low-residue single vinegar C-type water-based packaging glue and preparation method thereof Download PDFInfo
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- CN104231979A CN104231979A CN201410429029.1A CN201410429029A CN104231979A CN 104231979 A CN104231979 A CN 104231979A CN 201410429029 A CN201410429029 A CN 201410429029A CN 104231979 A CN104231979 A CN 104231979A
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Abstract
The invention discloses auto-agglutination low-residue single vinegar C-type water-based packaging glue, comprising water, polyvinyl alcohol 1788, polyvinyl alcohol 0588, polyvinyl alcohol 1799, polyvinyl alcohol 2488, vinyl acetate, acrylic acid, butyl acrylate, a defoaming agent, tributyl citrate, tert-butyl hydroperoxide, sodium hydrogen sulfite, sodium bicarbonate and a preservative. The invention also discloses a preparation method of the packing glue. The method has the beneficial effects that: through addition of an acrylate monomer and a vinyl acetate monomer which are in different proportions, the glass transition temperature and the bonding strength of the product are adjusted, the cost is low, and the residual vinyl acetate monomer is reduced to 300pm by adopting a tert-butyl hydroperoxide and sodium hydrogen sulfite initiation system. In addition, the preparation method of the packaging glue is low in reaction temperature, high in reaction yield, and low in energy consumption in the reaction process and the production cost of the packaging glue can be effectively reduced.
Description
Technical field
The present invention relates to cigarette and stick with glue agent field, autohemagglutination low-residue single vinegar third type water-based packaging glue particularly relating to a kind of cigarette outer packaging and preparation method thereof.
Background technology
2009 Nian Zhongyan companies adjust cigarette glue environmental protection standard, and wherein the adjustment of residual monomer is of greatest concern.At that time, there is the manufacturer of a lot of cigarette vinegar third type emulsion adhesive in the whole nation, its residual list is minimum can only be less than 1000ppm, and the index after adjustment is less than 500ppm, within 2010, this index is adjusted to 300ppm again, a lot of manufacturer is because of cannot be up to standard and be eliminated, and the cigarette glue emulsion producer making existing comparative maturity stable only has four, wherein three Jia Shi international corporations.
And the allotment Problems existing adopting vinyl acetate-ethylene copolymerization emulsions to carry out cigarette glue has:
1, cost is high;
2, second-order transition temperature is low, and in use procedure, glued membrane is softer, is unfavorable for cleaner production;
3, cohesive strength is inadequate.
Therefore research has the vinegar third cigarette emulsion of low-residue single is significantly.
General synthetic emulsion process uses superoxide to be initiator, residual single method is fallen mainly the later stage isothermal holding, vacuumize, add the householder methods such as the placement of redox agent before discharging.These methods can not make residually singly to be down to below 300ppm substantially.
Generally speaking, the technical problem needing those skilled in the art urgently to solve at present is: develop that a kind of cost is low, cohesive strength is high, second-order transition temperature is high, and can make residual novel package glue of being singly down to below 300ppm.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of autohemagglutination low-residue single vinegar third type water-based packaging glue and preparation method thereof, by acrylic ester monomer and the Vinyl Acetate Monomer of different ratio, the second-order transition temperature of adjustment product and bonding strength, cost is low; Tertbutyl peroxide and sodium bisulfite initiator system is adopted to make the Vinyl Acetate Monomer remained be down to 300ppm; In another reaction process, temperature of reaction is low, and reaction yield is fast, energy consumption is low, effectively can reduce the production cost of packaging glue.
To achieve these goals, the present invention adopts following technical scheme:
Autohemagglutination low-residue single vinegar third type water-based packaging glue, is made up of the proportioning raw materials containing following weight content: water: 45-55 part, polyvinyl alcohol 1788:0.5-2 part, polyvinyl alcohol 0588:4-7 part; Polyvinyl alcohol 1799:0.5-2 part; Polyvinyl alcohol 2488:0.2-2 part; Vinyl acetate: 35-50 part; Vinylformic acid: 0.5-2 part; Butyl acrylate: 1.5-4 part; Defoamer: 0.3-1 part; Tributyl citrate: 1.5-4.0 part; Tertbutyl peroxide: 0.01-0.08 part; Sodium bisulfite: 0.02-0.08 part; Sodium bicarbonate: 0.5-1 part; Sanitas: 0.1-0.2 part.
Preferably, described defoamer is one or both in organosilicon and modified mineral oil.
Preferably, described sanitas is MI.
The preparation method of autohemagglutination low-residue single vinegar third type water-based packaging glue, comprises the steps:
(1) polyvinyl alcohol 1799 of the polyvinyl alcohol 0588 of the polyvinyl alcohol 1788 of the water of 45-55 part, 0.5-2 part, 4-7 part, 0.5-2 part, the polyvinyl alcohol 2488 of 0.2-2 part are added in reactor, be warming up to 80 ± 1 DEG C, be incubated 1 hour, polyvinyl alcohol is fully dissolved;
(2) vinylformic acid of the vinyl acetate of 35-50 part, 0.5-2 part and the butyl acrylate of 1.5-4 part are mixed, mixed monomer solution is added in dropping tank for subsequent use;
(3) when system temperature in step (1) being reduced to 40-60 DEG C, add the tributyl citrate of the tertbutyl peroxide of 0.01-0.08 part, the sodium bisulfite of 0.02-0.08 part, the sodium bicarbonate of 0.5-1 part and 1.5-4.0 part, setting speed is 70-80 rev/min, stirs 30 minutes;
(4) in reactor, monomer solution is dripped, within 3-5 hour, drip, 2-4 hour is incubated at 50-60 DEG C, be warming up to 80 ± 1 DEG C and continue insulation 1 hour, the defoamer of 0.3-1 part and the sanitas of 0.1-0.2 part is added after being cooled to 40 ± 1 DEG C, setting speed is 80-90 rev/min, continues stirring discharging after 30 minutes, obtains this cigarette packaging glue.
Beneficial effect of the present invention:
1, the present invention is that whole process adopts low-temp reaction, strictly controls rate of addition, adopts the system of tertbutyl peroxide, sodium bisulfite to cause, and makes the residual single amount of the emulsion in reaction process at below 300ppm;
2, the present invention adopts multiple polyvinyl alcohol as protective colloid, makes emulsion have good tack and package stability;
3, by acrylic ester monomer and the Vinyl Acetate Monomer of different ratio, the second-order transition temperature of adjustment product and bonding strength, cost is low;
4, the tertbutyl peroxide that uses of the present invention and sodium bisulfite are initiator, and temperature of reaction is low, speed of response is fast, reduces energy consumption, reduces cigarette use and packs the production cost of glue.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
(1) water of 45 parts, the polyvinyl alcohol 2488 of polyvinyl alcohol 1799,0.2 part of polyvinyl alcohol 0588,2 parts of polyvinyl alcohol 1788,7 parts of 0.5 part are added in reactor, be warming up to 80 DEG C, be incubated 1 hour, polyvinyl alcohol is fully dissolved;
(2) vinyl acetate of 35 parts, the vinylformic acid of 2 parts and the butyl acrylate of 4 parts are mixed, mixed monomer solution is added in dropping tank for subsequent use;
(3) when system temperature in step (1) being reduced to 40 DEG C, add the tributyl citrate of the tertbutyl peroxide of 0.08 part, the sodium bisulfite of 0.08 part, the sodium bicarbonate of 0.5 part and 1.5 parts, rotating speed is 70 revs/min, stirs 30 minutes;
(4) in reactor, monomer solution is dripped, within 5 hours, drip, 2 hours are incubated at 50 DEG C, be warming up to 80 DEG C and continue insulation 1 hour, after being cooled to 40 DEG C, add the MI of 0.3 part of defoamer (organosilicon) and 0.2 part, rotating speed is 80 revs/min, stir discharging after 30 minutes, obtain cigarette packaging glue.
Embodiment 2
(1) water of 55 parts, the polyvinyl alcohol 2488 of polyvinyl alcohol 1799,2 parts of polyvinyl alcohol 0588,0.5 part of polyvinyl alcohol 1788,4 parts of 2 parts are added in reactor, be warming up to 80 DEG C, be incubated 1 hour, polyvinyl alcohol is fully dissolved;
(2) vinyl acetate of 50 parts, the vinylformic acid of 0.5 part and the butyl acrylate of 1.5 parts are mixed, mixed monomer solution is added in dropping tank for subsequent use;
(3), when system temperature in step (1) being reduced to 60 DEG C, add the tributyl citrate of the tertbutyl peroxide of 0.01 part, the sodium bisulfite of 0.02 part, the sodium bicarbonate of 1 part and 4.0 parts, rotating speed is 80 revs/min, stirs 30 minutes;
(4) in reactor, monomer solution is dripped, within 3 hours, drip, 4 hours are incubated at 60 DEG C, be warming up to 80 DEG C and continue insulation 1 hour, after being cooled to 40 DEG C, add 1 part of defoamer (modified mineral oil) and 0.1 part of MI, rotating speed is 90 revs/min, stir discharging after 30 minutes, obtain cigarette packaging glue.
Embodiment 3
(1) water of 50 parts, the polyvinyl alcohol 2488 of polyvinyl alcohol 1799,1.5 parts of polyvinyl alcohol 0588,1 part of polyvinyl alcohol 1788,5 parts of 1 part are added in reactor, be warming up to 80 DEG C, be incubated 1 hour, polyvinyl alcohol is fully dissolved;
(2) vinyl acetate of 40 parts, the vinylformic acid of 1.2 parts and the butyl acrylate of 2.5 parts are mixed, mixed monomer solution is added in dropping tank for subsequent use;
(3) when system temperature in step (1) being reduced to 50 DEG C, add the tributyl citrate of the tertbutyl peroxide of 0.05 part, the sodium bisulfite of 0.05 part, the sodium bicarbonate of 0.8 part and 2.5 parts, rotating speed is 75 revs/min, stirs 30 minutes;
(4) in reactor, monomer solution is dripped, within 3.5 hours, drip, 3 hours are incubated at 53 DEG C, be warming up to 80 DEG C and continue insulation 1 hour, after being cooled to 40 DEG C, add the defoamer (organosilicon, modified mineral oil mixt) of 2 parts and the MI of 0.15 part, rotating speed is 85 revs/min, stir discharging after 30 minutes, obtain cigarette packaging glue.
Embodiment 4
(1) water of 48 parts, the polyvinyl alcohol 2488 of polyvinyl alcohol 1799,1.8 parts of polyvinyl alcohol 0588,0.8 part of polyvinyl alcohol 1788,6 parts of 0.6 part are added in reactor, be warming up to 80 DEG C, be incubated 1 hour, polyvinyl alcohol is fully dissolved;
(2) vinyl acetate of 49 parts, the vinylformic acid of 1.6 parts and the butyl acrylate of 2.4 parts are mixed, mixed monomer solution is added in dropping tank for subsequent use;
(3), when system temperature in step (1) being reduced to 55 DEG C, add the tributyl citrate of the tertbutyl peroxide of 0.04 part, the sodium bisulfite of 0.04 part, the sodium bicarbonate of 0.7 part and 3 parts, rotating speed is 78 revs/min, stirs 30 minutes;
(4) in reactor, monomer solution is dripped, within 4 hours, drip, 2.5 hours are incubated at 56 DEG C, be warming up to 80 DEG C and continue insulation 1 hour, after being cooled to 40 DEG C, add the defoamer (modified mineral oil) of 0.8 part and the MI of 0.16 part, rotating speed is 83 revs/min, stir discharging after 30 minutes, obtain cigarette packaging glue.
The present invention adopts the system of tertbutyl peroxide, sodium bisulfite to cause, and in reaction process, residual single amount makes residual single amount below the 300ppm of emulsion synthesized; By acrylic ester monomer and the Vinyl Acetate Monomer of different ratio, the second-order transition temperature of adjustment product and bonding strength, cost is low; The tertbutyl peroxide used and sodium bisulfite are initiator, and temperature of reaction is low, speed of response is fast, reduce energy consumption, reduce the cigarette production cost packing glue.
The indices of the vinegar third water-based cigarette package glue that the present invention obtains all reaches Q/SZ109001-2012 smoking material safety and health request, and product parameters is as shown in the table:
Wherein, phthalate comprises: dimethyl phthalate, diphenyl phthalate, phthalic acid two (4-methyl-2-amyl group) ester, diisobutyl phthalate, n-butyl phthalate, phthalic acid two (2-ethyl) own ester, diisononyl phthalate, diphenyl phthalate, diamyl phthalate, dihexyl phthalate, Dinonylphthalate, dicyclohexyl phthalate, phthalic acid two (2-butoxy) ethyl ester, phthalic acid two (2-oxyethyl group) ethyl ester, phthalic acid two (2-methoxyl group) ethyl ester, diethyl phthalate is not detected in this packaging glue product, butyl benzyl phthalate and the positive dioctyl ester of phthalic acid.
Above-described embodiment is only present pre-ferred embodiments; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (4)
1. autohemagglutination low-residue single vinegar third type water-based packaging glue, is characterized in that, be made up: water of the proportioning raw materials containing following weight content: 45-55 part, polyvinyl alcohol 1788:0.5-2 part, polyvinyl alcohol 0588:4-7 part; Polyvinyl alcohol 1799:0.5-2 part; Polyvinyl alcohol 2488:0.2-2 part; Vinyl acetate: 35-50 part; Vinylformic acid: 0.5-2 part; Butyl acrylate: 1.5-4 part; Defoamer: 0.3-1 part; Tributyl citrate: 1.5-4.0 part; Tertbutyl peroxide: 0.01-0.08 part; Sodium bisulfite: 0.02-0.08 part; Sodium bicarbonate: 0.5-1 part; Sanitas: 0.1-0.2 part.
2. autohemagglutination low-residue single vinegar third type water-based packaging glue as claimed in claim 1, is characterized in that, described defoamer is one or both in organosilicon and modified mineral oil.
3. autohemagglutination low-residue single vinegar third type water-based packaging glue as claimed in claim 1, it is characterized in that, described sanitas is MI.
4. a preparation method for autohemagglutination low-residue single vinegar third type water-based packaging glue as claimed in claim 1, is characterized in that, comprise the steps:
(1) polyvinyl alcohol 1799 of the polyvinyl alcohol 0588 of the polyvinyl alcohol 1788 of the water of 45-55 part, 0.5-2 part, 4-7 part, 0.5-2 part, the polyvinyl alcohol 2488 of 0.2-2 part are added in reactor, be warming up to 80 ± 1 DEG C, be incubated 1 hour, polyvinyl alcohol is fully dissolved;
(2) vinylformic acid of the vinyl acetate of 35-50 part, 0.5-2 part and the butyl acrylate of 1.5-4 part are mixed, mixed monomer solution is added in dropping tank for subsequent use;
(3) when system temperature in step (1) being reduced to 40-60 DEG C, add the tributyl citrate of the tertbutyl peroxide of 0.01-0.08 part, the sodium bisulfite of 0.02-0.08 part, the sodium bicarbonate of 0.5-1 part and 1.5-4.0 part, setting speed is 70-80 rev/min, stirs 30 minutes;
(4) in reactor, monomer solution is dripped, within 3-5 hour, drip, 2-4 hour is incubated at 50-60 DEG C, be warming up to 80 ± 1 DEG C and continue insulation 1 hour, the defoamer of 0.3-1 part and the sanitas of 0.1-0.2 part is added after being cooled to 40 ± 1 DEG C, setting speed is 80-90 rev/min, continues stirring discharging after 30 minutes, obtains this cigarette packaging glue.
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| CN201410429029.1A CN104231979B (en) | 2014-08-27 | 2014-08-27 | Autohemagglutination low-residue single vinegar third type water-based packaging glue and preparation method thereof |
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| CN108203570A (en) * | 2017-09-29 | 2018-06-26 | 北京长润化工有限公司 | A kind of water base ultrahigh velocity spraying connects mouth glue and preparation method thereof |
| CN114525088A (en) * | 2022-02-18 | 2022-05-24 | 郑州轻工业大学 | Water-based adhesive with low glass transition temperature and preparation method and application thereof |
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Cited By (3)
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| CN108203570A (en) * | 2017-09-29 | 2018-06-26 | 北京长润化工有限公司 | A kind of water base ultrahigh velocity spraying connects mouth glue and preparation method thereof |
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| CN114525088B (en) * | 2022-02-18 | 2024-03-22 | 郑州轻工业大学 | Water-based adhesive with low glass transition temperature and preparation method and application thereof |
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